--- title: "Houston to Posadas cheap flights (HOU to PSS) - Expedia" description: "Cheap Flights from Houston (HOU) to Posadas (PSS) start at for one-way and $3,147 for round trip. Earn your airline miles on top of our rewards!" canonical: "https://www.expedia.com/lp/flights/hou/pss/houston-to-posadas" language: en-US market: US currency: USD prices_as_of: 2026-11-12T22:12:32Z --- # Cheap Flights from Houston (HOU) to Posadas (PSS) ![A natural rock arch formation in turquoise waters with a mountainous backdrop.](https://images.trvl-media.com/place/2887/d836a022-182c-4be3-ade6-4b3bb9158f9d.jpg?impolicy=fcrop&w=1200&h=500&q=medium) [View $3,147 flight on Wed, Nov 18, 2026](https://www.expedia.com/Flights-Search?leg1=from:IAH,to:PSS,departure:11/18/2026TANYT&leg2=from:PSS,to:IAH,departure:11/25/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&flp=mdl:flights-flex-module,price:3146.09&airProductToken=AQqcAQozCNWCARIEMTAwMhiIOCCUciivw50DMOrFnQM4SEAAWAFqB0VDT05PTVlyCEhOWDdBVUVOCjEIwawBEgQ4Mzk1GJRyIKQmKJ7HnQMwgMydAzhFQAFYAWoFTElHSFRyCEVMUkIxQlJHCjIIwaQBEgQxNzY4GKQmIM-UASjhzZ0DMMXOnQM4TEABWAFqBUxJR0hUcghFTFJCMUJSRwqaAQoyCMGkARIEMTc2ORjPlAEgpCYorZKeAzCRk54DOExAAFgBagVMSUdIVHIIUUxSQjFCUkcKMAjBrAESAzIxOBikJiDBMyiYlJ4DMKOXngM4UUABWAFqBUxJR0hUcghRTFJCMUJSRwoyCNWCARIDNTA4GMEzIIg4KJuYngMw4JqeAzhRQAFYAWoHRUNPTk9NWXIIUU5YNEZVRU4SCggBEAEYASoCQVYYASIECAEQASgCKAMoBDAB) ## Popular airlines from Houston William Hobby Airport (HOU) to Posadas (PSS-Libertador General Jose de San Martin) [American Airlines](https://www.expedia.com/Flights-Search?leg1=from:HOU,to:PSS,departure:11/26/2026TANYT&leg2=from:PSS,to:HOU,departure:12/3/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"AA"}}]) [United](https://www.expedia.com/Flights-Search?leg1=from:HOU,to:PSS,departure:11/26/2026TANYT&leg2=from:PSS,to:HOU,departure:12/3/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"UA"}}]) [Southwest Airlines](https://www.expedia.com/Flights-Search?leg1=from:HOU,to:PSS,departure:11/26/2026TANYT&leg2=from:PSS,to:HOU,departure:12/3/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"WN"}}]) [Delta](https://www.expedia.com/Flights-Search?leg1=from:HOU,to:PSS,departure:11/26/2026TANYT&leg2=from:PSS,to:HOU,departure:12/3/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"DL"}}]) [Frontier Airlines](https://www.expedia.com/Flights-Search?leg1=from:HOU,to:PSS,departure:11/26/2026TANYT&leg2=from:PSS,to:HOU,departure:12/3/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"F9"}}]) [JetBlue Airways](https://www.expedia.com/Flights-Search?leg1=from:HOU,to:PSS,departure:11/26/2026TANYT&leg2=from:PSS,to:HOU,departure:12/3/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"B6"}}]) [Alaska Airlines](https://www.expedia.com/Flights-Search?leg1=from:HOU,to:PSS,departure:11/26/2026TANYT&leg2=from:PSS,to:HOU,departure:12/3/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"AS"}}]) Find the cheapest flights on Expedia from (HOU) to (PSS). Flight ticket prices change frequently based on availability and demand. We send price‑drop alerts to make air travel simple and flexible. The lowest one-way fare found on Expedia for this route in the past 7 days starts at for travel on . ## Cheap Flights from Houston to Posadas (HOU-PSS) Prices were available within the past 7 days and start at $3,147 for roundtrip flights, for the period specified. Prices and availability are subject to change. Roundtrip [Select United flight, departing Wed, Nov 18 from Houston to Posadas, returning Wed, Nov 25, priced at $3,147 Found 3 days ago](https://www.expedia.com/Flights-Search?leg1=from:IAH,to:PSS,departure:11/18/2026TANYT&leg2=from:PSS,to:IAH,departure:11/25/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&flp=mdl:flights-flex-module,price:3146.09&airProductToken=AQqcAQozCNWCARIEMTAwMhiIOCCUciivw50DMOrFnQM4SEAAWAFqB0VDT05PTVlyCEhOWDdBVUVOCjEIwawBEgQ4Mzk1GJRyIKQmKJ7HnQMwgMydAzhFQAFYAWoFTElHSFRyCEVMUkIxQlJHCjIIwaQBEgQxNzY4GKQmIM-UASjhzZ0DMMXOnQM4TEABWAFqBUxJR0hUcghFTFJCMUJSRwqaAQoyCMGkARIEMTc2ORjPlAEgpCYorZKeAzCRk54DOExAAFgBagVMSUdIVHIIUUxSQjFCUkcKMAjBrAESAzIxOBikJiDBMyiYlJ4DMKOXngM4UUABWAFqBUxJR0hUcghRTFJCMUJSRwoyCNWCARIDNTA4GMEzIIg4KJuYngMw4JqeAzhRQAFYAWoHRUNPTk9NWXIIUU5YNEZVRU4SCggBEAEYASoCQVYYASIECAEQASgCKAMoBDAB) Wed, Nov 18 - Wed, Nov 25 · IAH · PSS · Roundtrip [Select United flight, departing Wed, Nov 18 from Houston to Posadas, returning Wed, Nov 25, priced at $3,172 Found 3 days ago](https://www.expedia.com/Flights-Search?leg1=from:IAH,to:PSS,departure:11/18/2026TANYT&leg2=from:PSS,to:IAH,departure:11/25/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&flp=mdl:flights-flex-module,price:3171.09&airProductToken=AQqcAQozCNWCARIEMTAwMhiIOCCUciivw50DMOrFnQM4SEAAWAFqB0VDT05PTVlyCEhOWDdBVUVOCjEIwawBEgQ4Mzk1GJRyIKQmKJ7HnQMwgMydAzhFQAFYAWoFTElHSFRyCEVMUkIxQlJHCjIIwaQBEgQxNzY4GKQmIM-UASjhzZ0DMMXOnQM4TEABWAFqBUxJR0hUcghFTFJCMUJSRwqaAQoyCMGkARIEMTc2ORjPlAEgpCYorZKeAzCRk54DOExAAFgBagVMSUdIVHIIUUxSQjFCUkcKMAjBrAESAzIxOBikJiDBMyiYlJ4DMKOXngM4UUABWAFqBUxJR0hUcghRTFJCMUJSRwoyCNWCARIDMjA2GMEzIIg4KKagngMw4aKeAzhRQAFYAWoHRUNPTk9NWXIIUU5XNEZVRU4SCggBEAEYASoCQVYYASIECAEQASgCKAMoBDAB) Wed, Nov 18 - Wed, Nov 25 · IAH · PSS · Roundtrip [Select United flight, departing Wed, Nov 18 from Houston to Posadas, returning Wed, Nov 25, priced at $3,211 Found 3 days ago](https://www.expedia.com/Flights-Search?leg1=from:IAH,to:PSS,departure:11/18/2026TANYT&leg2=from:PSS,to:IAH,departure:11/25/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&flp=mdl:flights-flex-module,price:3210.09&airProductToken=AQqbAQoyCNWCARIDMjA1GIg4IMEzKMvCnQMw98SdAzhIQABYAWoHRUNPTk9NWXIISE5YN0FVRU4KMQjBrAESBDgzOTUYwTMgpCYo-sidAzCAzJ0DOEVAAVgBagVMSUdIVHIIRUxSQjFCUkcKMgjBpAESBDE3NjgYpCYgz5QBKOHNnQMwxc6dAzhMQAFYAWoFTElHSFRyCEVMUkIxQlJHCpoBCjIIwaQBEgQxNzY5GM-UASCkJiitkp4DMJGTngM4TEAAWAFqBUxJR0hUcghRTFJCMUJSRwowCMGsARIDMjE4GKQmIMEzKJiUngMwo5eeAzhRQAFYAWoFTElHSFRyCFFMUkIxQlJHCjII1YIBEgM1MDgYwTMgiDgom5ieAzDgmp4DOFFAAVgBagdFQ09OT01ZcghRTlg0RlVFThIKCAEQARgBKgJBVhgBIgQIARABKAIoAygEMAE) Wed, Nov 18 - Wed, Nov 25 · IAH · PSS · Roundtrip [Select United flight, departing Wed, Nov 18 from Houston to Posadas, returning Wed, Nov 25, priced at $3,236 Found 3 days ago](https://www.expedia.com/Flights-Search?leg1=from:IAH,to:PSS,departure:11/18/2026TANYT&leg2=from:PSS,to:IAH,departure:11/25/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&flp=mdl:flights-flex-module,price:3235.09&airProductToken=AQqbAQoyCNWCARIDMjA1GIg4IMEzKMvCnQMw98SdAzhIQABYAWoHRUNPTk9NWXIISE5YN0FVRU4KMQjBrAESBDgzOTUYwTMgpCYo-sidAzCAzJ0DOEVAAVgBagVMSUdIVHIIRUxSQjFCUkcKMgjBpAESBDE3NjgYpCYgz5QBKOHNnQMwxc6dAzhMQAFYAWoFTElHSFRyCEVMUkIxQlJHCpkBCjIIwaQBEgQxNzY5GM-UASCkJiitkp4DMJGTngM4TEAAWAFqBUxJR0hUcghRTFJCMUJSRwovCMGsARICODgYpCYgwTMo8ZaeAzDymZ4DOFFAAVgBagVMSUdIVHIIUUxSQjFCUkcKMgjVggESAzUwOBjBMyCIOCi7o54DMICmngM4UUABWAFqB0VDT05PTVlyCFFOVzRGVUVOEgoIARABGAEqAkFWGAEiBAgBEAEoAigDKAQwAQ) Wed, Nov 18 - Wed, Nov 25 · IAH · PSS · Roundtrip [Select United flight, departing Wed, Nov 18 from Houston to Posadas, returning Wed, Nov 25, priced at $3,311 Found 3 days ago](https://www.expedia.com/Flights-Search?leg1=from:IAH,to:PSS,departure:11/18/2026TANYT&leg2=from:PSS,to:IAH,departure:11/25/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&flp=mdl:flights-flex-module,price:3310.09&airProductToken=AQqbAQoyCNWCARIDMjA5GIg4IMEzKODFnQMwgsidAzhVQABYAWoHRUNPTk9NWXIIVU5YM0FVRU4KMQjBrAESBDgzOTUYwTMgpCYo-sidAzCAzJ0DOEVAAVgBagVMSUdIVHIIRUxSQjFCUkcKMgjBpAESBDE3NjgYpCYgz5QBKOHNnQMwxc6dAzhMQAFYAWoFTElHSFRyCEVMUkIxQlJHCpoBCjIIwaQBEgQxNzY5GM-UASCkJiitkp4DMJGTngM4TEAAWAFqBUxJR0hUcghRTFJCMUJSRwowCMGsARIDMjE4GKQmIMEzKJiUngMwo5eeAzhRQAFYAWoFTElHSFRyCFFMUkIxQlJHCjII1YIBEgM1MDgYwTMgiDgom5ieAzDgmp4DOFFAAVgBagdFQ09OT01ZcghRTlg0RlVFThIKCAEQARgBKgJBVhgBIgQIARABKAIoAygEMAE) Wed, Nov 18 - Wed, Nov 25 · IAH · PSS · Ro · undtrip [Select United flight, departing Wed, Nov 18 from Houston to Posadas, returning Wed, Nov 25, priced at $3,336 Found 3 days ago](https://www.expedia.com/Flights-Search?leg1=from:IAH,to:PSS,departure:11/18/2026TANYT&leg2=from:PSS,to:IAH,departure:11/25/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&flp=mdl:flights-flex-module,price:3335.09&airProductToken=AQqaAQoyCNWCARIDMjA5GIg4IMEzKODFnQMwgsidAzhVQABYAWoHRUNPTk9NWXIIVU5YM0FVRU4KMAjBrAESAzE3NxjBMyCkJij6yJ0DMIDMnQM4RUABWAFqBUxJR0hUcghFTFJCMUJSRwoyCMGkARIEMTc2OBikJiDPlAEo4c2dAzDFzp0DOExAAVgBagVMSUdIVHIIRUxSQjFCUkcKmQEKMgjBpAESBDE3NjkYz5QBIKQmKK2SngMwkZOeAzhMQABYAWoFTElHSFRyCFFMUkIxQlJHCi8IwawBEgI4OBikJiDBMyjxlp4DMPKZngM4UUABWAFqBUxJR0hUcghRTFJCMUJSRwoyCNWCARIDMjA2GMEzIIg4KKagngMw4aKeAzhRQAFYAWoHRUNPTk9NWXIIUU5XNEZVRU4SCggBEAEYASoCQVYYASIECAEQASgCKAMoBDAB) Wed, Nov 18 - Wed, Nov 25 · IAH · PSS · Roundtrip [Select United flight, departing Wed, Nov 18 from Houston to Posadas, returning Wed, Nov 25, priced at $4,801 Found 3 days ago](https://www.expedia.com/Flights-Search?leg1=from:IAH,to:PSS,departure:11/18/2026TANYT&leg2=from:PSS,to:IAH,departure:11/25/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&flp=mdl:flights-flex-module,price:4800.26&airProductToken=AQqaAQoyCNWCARIDMjA1GIg4IMEzKMvCnQMw98SdAzhIQABYAWoHRUNPTk9NWXIISE5YN0FVRU4KMAjBrAESAzE3NxjBMyCkJij6yJ0DMIDMnQM4RUABWAFqBUxJR0hUcghFTE1CMUJSRwoyCMGkARIEMTc2OBikJiDPlAEo4c2dAzDFzp0DOExAAVgBagVMSUdIVHIIRUxNQjFCUkcKlQEKLgjBpAESBDE3NjkYz5QBIKQmKK2SngMwkZOeAzhNQABYAWoCRUZyB01MT1dVRUYKLQjBpAESBDEzMDQYpCYgjAIolJeeAzC%5Fm54DOE1AAVgBagJFRnIHTUxPV1VFRgo0CNWCARIEMjA3NBiMAiCIOCjXop4DMJGkngM4QkABWAFqCEVDT1BMUkVGcghZQUEwQURJWRIKCAEQARgBKgJBVhgBIgQIARABKAIoAygEMAE) Wed, Nov 18 - Wed, Nov 25 · IAH · PSS · Roundtrip [Select United flight, departing Wed, Nov 18 from Houston to Posadas, returning Wed, Nov 25, priced at $4,901 Found 3 days ago](https://www.expedia.com/Flights-Search?leg1=from:IAH,to:PSS,departure:11/18/2026TANYT&leg2=from:PSS,to:IAH,departure:11/25/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&flp=mdl:flights-flex-module,price:4900.26&airProductToken=AQqaAQoyCNWCARIDMjA5GIg4IMEzKODFnQMwgsidAzhVQABYAWoHRUNPTk9NWXIIVU5YM0FVRU4KMAjBrAESAzE3NxjBMyCkJij6yJ0DMIDMnQM4RUABWAFqBUxJR0hUcghFTE1CMUJSRwoyCMGkARIEMTc2OBikJiDPlAEo4c2dAzDFzp0DOExAAVgBagVMSUdIVHIIRUxNQjFCUkcKlQEKLgjBpAESBDE3NjkYz5QBIKQmKK2SngMwkZOeAzhNQABYAWoCRUZyB01MT1dVRUYKLQjBpAESBDEzMDQYpCYgjAIolJeeAzC%5Fm54DOE1AAVgBagJFRnIHTUxPV1VFRgo0CNWCARIEMjA3NBiMAiCIOCjXop4DMJGkngM4QkABWAFqCEVDT1BMUkVGcghZQUEwQURJWRIKCAEQARgBKgJBVhgBIgQIARABKAIoAygEMAE) Wed, Nov 18 - Wed, Nov 25 · IAH · PSS · Roundtrip [Select United flight, departing Wed, Nov 18 from Houston to Posadas, returning Wed, Nov 25, priced at $7,812 Found 3 days ago](https://www.expedia.com/Flights-Search?leg1=from:IAH,to:PSS,departure:11/18/2026TANYT&leg2=from:PSS,to:IAH,departure:11/25/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&flp=mdl:flights-flex-module,price:7811.09&airProductToken=AQprCjQI1YIBEgM4MTkYiDggpCYotsSdAzCEyZ0DOEJAAFgBagk3X2Vjb3VucnNyCEJOQTBBVUVZCjMIwaQBEgQxNzY4GKQmIM-UASjhzZ0DMMXOnQM4WUAAWAFqCTdfZWNvdW5yc3IFWTJVRUYKawozCMGkARIEMTc2ORjPlAEgpCYorZKeAzCRk54DOFlAAFgBagk3X2Vjb3VucnNyBVkyVUVGCjQI1YIBEgM4MTgYpCYgiDgo4Z2eAzDIop4DOEJAAFgBagk3X2Vjb3VucnNyCEJOQTBBVUVZEgoIARABGAEqAlVBGAEiBAgBEAEoAigDKAQwCw) Wed, Nov 18 - Wed, Nov 25 · IAH · PSS · Roundtrip [Select United flight, departing Wed, Nov 18 from Houston to Posadas, returning Wed, Nov 25, priced at $7,820 Found 3 days ago](https://www.expedia.com/Flights-Search?leg1=from:IAH,to:PSS,departure:11/18/2026TANYT&leg2=from:PSS,to:IAH,departure:11/25/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&flp=mdl:flights-flex-module,price:7819.59&airProductToken=AQprCjQI1YIBEgM4MTkYiDggpCYotsSdAzCEyZ0DOEJAAFgBagk3X2Vjb3VucnNyCEJOQTBBVUVZCjMIwaQBEgQxNzY4GKQmIM-UASjhzZ0DMMXOnQM4WUAAWAFqCTdfZWNvdW5yc3IFWTJVRUYKawozCMGkARIEMTc2ORjPlAEgpCYorZKeAzCRk54DOFlAAFgBagk3X2Vjb3VucnNyBVkyVUVGCjQI1YIBEgM4MzIYpCYgiDgoz56eAzC2o54DOEJAAFgBagk3X2Vjb3VucnNyCEJOQTBBVUVZEgoIARABGAEqAlVBGAEiBAgBEAEoAigDKAQwCw) Wed, Nov 18 - Wed, Nov 25 · IAH · PSS · Roundtrip ## Book with confidence ### Houston to Posadas Flights #### The cheapest times to fly from Houston to Posadas On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Houston to Posadas are during the month of November. You can find some of the cheapest flights from Houston to Posadas with Expedia's search tool and vast selection of airlines. #### The best time to book a flight from Houston to Posadas Sunday is one of the best days to book for cheap flights from Houston to Posadas: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance. #### How to find cheap round-trip tickets from Houston to Posadas Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Houston to Posadas in 2026\. You can also book with separate airlines for your outbound and return journeys, from one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference\*. This is available for a small fee, and is free to One Key Gold and Platinum tier members. Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Houston to Posadas flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps. You could also save big by booking one of Expedia's [vacation packages](https://www.expedia.com/package-deals). Bundling together your Houston to Posadas airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures. *\*Terms apply.* *Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023\. The percentages you see are averages.* ## Frequently Asked Questions ### How much does a flight from Houston, TX (HOU-William P. Hobby) to Posadas (PSS-Libertador General Jose de San Martin) cost? You can find cheap one-way flights and cheap return flights $3,147 HOU to PSS with Expedia. Flight prices vary based on the month and day of the week you want to travel, as well as the airline and how far in advance you book your ticket. Filter your search on Expedia by "Price (lowest to highest)" to see our cheapest fares first, and use the Price Tracking tool to receive alerts when HOU to PSS ticket fares go up or down. ### What is the cheapest month to fly from Houston, TX (HOU-William P. Hobby) to Posadas (PSS-Libertador General Jose de San Martin)? The cheapest month to fly from HOU to PSS is November when demand is low. Traveling in off-peak or shoulder months is usually a good way to secure cheap tickets, just remember to avoid flying during holidays if you're able to. Use the calendar view in your search to see which months have low fares on this route. ### Which airlines fly direct from Houston, TX (HOU-William P. Hobby) to Posadas (PSS-Libertador General Jose de San Martin)? Enter HOU to PSS and your travel dates, then apply the 'Nonstop' filter to see only direct flights. ### How do I find cheap flights from Houston, TX (HOU-William P. Hobby) to Posadas (PSS-Libertador General Jose de San Martin)? To find a cheap flight from Houston, TX (HOU-William P. Hobby) to Posadas (PSS-Libertador General Jose de San Martin), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up [Price Tracking](https://www.expedia.com/why/price-tracking) and receive alerts when fares go up or down. ### What is the best time to fly from Houston, TX (HOU-William P. Hobby) to Posadas (PSS-Libertador General Jose de San Martin)? The best time to fly is usually mid-week (Tuesday or Wednesday) and during early morning hours as flights tend to be cheaper, less crowded, and generally more on-time. Avoid major holidays and peak vacation seasons for smoother travel. Combining off-peak days and hours often gives the best combination of cost, comfort, and convenience. ### What is the earliest flight from Houston, TX (HOU-William P. Hobby) to Posadas (PSS-Libertador General Jose de San Martin)? Sort flights by "Departure (earliest)" on Expedia to find the earliest flight from HOU to PSS. To compare more early flights, use the "Early Morning" and "Morning" filters in your search. ### Can you fly business or first class from Houston, TX (HOU-William P. Hobby) to Posadas (PSS-Libertador General Jose de San Martin)? Select the "Business class" and "First class" filters when looking for HOU to PSS flights on Expedia. This is the easiest way to compare prices, routes and flight times for your trip. ### How do I earn miles on a Houston, TX (HOU-William P. Hobby) to Posadas (PSS-Libertador General Jose de San Martin) flight with Expedia? It's easy to earn miles on a Houston, TX (HOU-William P. Hobby) to Posadas (PSS-Libertador General Jose de San Martin) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of [One Key™](https://www.expedia.com/welcome-one-key), you can also earn OneKeyCash™\* on top of your airline miles when you book with Expedia. \*Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands. ### Is it cheaper to buy a plane ticket from Houston, TX (HOU-William P. Hobby) to Posadas (PSS-Libertador General Jose de San Martin) at the last minute? Typically, booking a last minute flight from Houston, TX (HOU-William P. Hobby) to Posadas (PSS-Libertador General Jose de San Martin) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare. ### Is it cheaper to book a Houston, TX (HOU-William P. Hobby) to Posadas (PSS-Libertador General Jose de San Martin) flight and hotel package? Securing a Houston, TX (HOU-William P. Hobby) to Posadas (PSS-Libertador General Jose de San Martin) flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars. ### Can I cancel or change the date of my flight from Houston, TX (HOU-William P. Hobby) to Posadas (PSS-Libertador General Jose de San Martin)? If you booked your Houston, TX (HOU-William P. Hobby) to Posadas (PSS-Libertador General Jose de San Martin) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in [your itinerary](https://www.expedia.com/trips) or confirmation email. Or, head to our [Customer Service portal](https://www.expedia.com/helpcenter/) if you'd like more information. ## Travel information | Origin airport | Houston William Hobby Airport | | ------------------- | ----------------------------- | | Destination airport | Posadas | | Distance | 4,720 miles away | | Roundtrip price | $3,147 | ## Explore a world of travel with Expedia - [Flights](?equalTargetTab=tab-0) - [Flights from Lafayette (LFT) to Posadas (PSS)](https://www.expedia.com/lp/flights/lft/pss/lafayette-to-posadas) - [Flights from Rome (FCO) to Posadas (PSS)](https://www.expedia.com/lp/flights/fco/pss/rome-to-posadas) - [Flights from San Antonio (SAT) to Posadas (PSS)](https://www.expedia.com/lp/flights/sat/pss/san-antonio-to-posadas) - [Flights from Buenos Aires (BUE) to Posadas (PSS)](https://www.expedia.com/lp/flights/bue/pss/buenos-aires-to-posadas) - [Flights from Las Vegas (LAS) to Posadas (PSS)](https://www.expedia.com/lp/flights/las/pss/las-vegas-to-posadas) - [Flights from Parana (PRA) to Posadas (PSS)](https://www.expedia.com/lp/flights/pra/pss/parana-to-posadas) - 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[Flights from Dresden (DRS) to Posadas (PSS)](https://www.expedia.com/lp/flights/drs/pss/dresden-to-posadas) - [Flights from Miami (MIA) to Posadas (PSS)](https://www.expedia.com/lp/flights/mia/pss/miami-to-posadas) - [Flights from San José (SJO) to Posadas (PSS)](https://www.expedia.com/lp/flights/sjo/pss/san-jose-to-posadas) - [Flights from Florianópolis (FLN) to Posadas (PSS)](https://www.expedia.com/lp/flights/fln/pss/florianopolis-to-posadas) - [Flights from Salt Lake City (SLC) to Posadas (PSS)](https://www.expedia.com/lp/flights/slc/pss/salt-lake-city-to-posadas) - [Flights from Bogotá (BOG) to Posadas (PSS)](https://www.expedia.com/lp/flights/bog/pss/bogota-to-posadas) - [Flights from Tampa (TPA) to Posadas (PSS)](https://www.expedia.com/lp/flights/tpa/pss/tampa-to-posadas) - [Flights from Cape Town (CPT) to Posadas (PSS)](https://www.expedia.com/lp/flights/cpt/pss/cape-town-to-posadas) - [Flights from Philadelphia (PHL) to Posadas (PSS)](https://www.expedia.com/lp/flights/phl/pss/philadelphia-to-posadas) - [Flights from Rio de Janeiro (GIG) to Posadas (PSS)](https://www.expedia.com/lp/flights/gig/pss/rio-de-janeiro-to-posadas) - [Flights from Iguazu (IGR) to Posadas (PSS)](https://www.expedia.com/lp/flights/igr/pss/iguazu-to-posadas) - [Flights from Naples (NAP) to Posadas (PSS)](https://www.expedia.com/lp/flights/nap/pss/naples-to-posadas) - [Flights from Iguassu Falls (IGU) to Posadas (PSS)](https://www.expedia.com/lp/flights/igu/pss/iguassu-falls-to-posadas) - [Flights from Washington (IAD) to Posadas (PSS)](https://www.expedia.com/lp/flights/iad/pss/washington-to-posadas) - [Flights from Springfield (SGF) to Posadas (PSS)](https://www.expedia.com/lp/flights/sgf/pss/springfield-to-posadas) - [Flights from Reno (RNO) to Posadas (PSS)](https://www.expedia.com/lp/flights/rno/pss/reno-to-posadas) - [Flights from La Paz (LPB) to Posadas (PSS)](https://www.expedia.com/lp/flights/lpb/pss/la-paz-to-posadas) - [Flights from Rio Cuarto (RCU) to Posadas (PSS)](https://www.expedia.com/lp/flights/rcu/pss/rio-cuarto-to-posadas) - [Flights from Washington (DCA) to Posadas (PSS)](https://www.expedia.com/lp/flights/dca/pss/washington-to-posadas) - [Flights from Catamarca (CTC) to Posadas (PSS)](https://www.expedia.com/lp/flights/ctc/pss/catamarca-to-posadas) - [Flights from New York (LGA) to Posadas (PSS)](https://www.expedia.com/lp/flights/lga/pss/new-york-to-posadas) - [Flights from Montevideo (MVD) to Posadas (PSS)](https://www.expedia.com/lp/flights/mvd/pss/montevideo-to-posadas) - [Flights from Villa Gesell (VLG) to Posadas (PSS)](https://www.expedia.com/lp/flights/vlg/pss/villa-gesell-to-posadas) - [Flights from San Salvador (SAL) to Posadas (PSS)](https://www.expedia.com/lp/flights/sal/pss/san-salvador-to-posadas) - [Flights from Dallas (DFW) to Posadas (PSS)](https://www.expedia.com/lp/flights/dfw/pss/dallas-to-posadas) - [Flights from San Juan (SJU) to Posadas (PSS)](https://www.expedia.com/lp/flights/sju/pss/san-juan-to-posadas) - [Flights from Bariloche (BRC) to Posadas (PSS)](https://www.expedia.com/lp/flights/brc/pss/bariloche-to-posadas) - 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[Flights from Nairobi (NBO) to Posadas (PSS)](https://www.expedia.com/lp/flights/nbo/pss/nairobi-to-posadas) - [Flights from Newark Liberty Intl. Airport (EWR) to Posadas (PSS)](https://www.expedia.com/lp/flights/ewr/pss/newark-liberty-intl-airport-to-posadas) - [Flights from São Paulo (CGH) to Posadas (PSS)](https://www.expedia.com/lp/flights/cgh/pss/sao-paulo-to-posadas) - [Flights from Jacksonville (JAX) to Posadas (PSS)](https://www.expedia.com/lp/flights/jax/pss/jacksonville-to-posadas) - [Flights from Buenos Aires (AEP) to Posadas (PSS)](https://www.expedia.com/lp/flights/aep/pss/buenos-aires-to-posadas) - [Flights from Atlanta (ATL) to Posadas (PSS)](https://www.expedia.com/lp/flights/atl/pss/atlanta-to-posadas) - [Flights from Minneapolis (MSP) to Posadas (PSS)](https://www.expedia.com/lp/flights/msp/pss/minneapolis-to-posadas) - [Flights from La Rioja (IRJ) to Posadas (PSS)](https://www.expedia.com/lp/flights/irj/pss/la-rioja-to-posadas) - [Flights from Athens (ATH) to Posadas (PSS)](https://www.expedia.com/lp/flights/ath/pss/athens-to-posadas) - [Flights from Santo Domingo (SDQ) to Posadas (PSS)](https://www.expedia.com/lp/flights/sdq/pss/santo-domingo-to-posadas) - [Flights from Chapeco (XAP) to Posadas (PSS)](https://www.expedia.com/lp/flights/xap/pss/chapeco-to-posadas) - [Flights from Colorado Springs (COS) to Posadas (PSS)](https://www.expedia.com/lp/flights/cos/pss/colorado-springs-to-posadas) - [Flights from Lisbon (LIS) to Posadas (PSS)](https://www.expedia.com/lp/flights/lis/pss/lisbon-to-posadas) - [Flights from Guayaquil (GYE) to Posadas (PSS)](https://www.expedia.com/lp/flights/gye/pss/guayaquil-to-posadas) - [Flights from New York (JFK) to Posadas (PSS)](https://www.expedia.com/lp/flights/jfk/pss/new-york-to-posadas) - [Flights from Asuncion (ASU) to Posadas (PSS)](https://www.expedia.com/lp/flights/asu/pss/asuncion-to-posadas) - [Flights from New York (NYC) to Posadas (PSS)](https://www.expedia.com/lp/flights/nyc/pss/new-york-to-posadas) - [Flights from São Paulo (GRU) to Posadas (PSS)](https://www.expedia.com/lp/flights/gru/pss/sao-paulo-to-posadas) - [Flights from Boston (BOS) to Posadas (PSS)](https://www.expedia.com/lp/flights/bos/pss/boston-to-posadas) - [Flights from London (LHR) to Posadas (PSS)](https://www.expedia.com/lp/flights/lhr/pss/london-to-posadas) - [Flights from Santiago (SCL) to Posadas (PSS)](https://www.expedia.com/lp/flights/scl/pss/santiago-to-posadas) - [Flights from Neuquén (NQN) to Posadas (PSS)](https://www.expedia.com/lp/flights/nqn/pss/neuquen-to-posadas) - [Flights from Comodoro Rivadavia (CRD) to Posadas (PSS)](https://www.expedia.com/lp/flights/crd/pss/comodoro-rivadavia-to-posadas) - [Flights from Formosa (FMA) to Posadas (PSS)](https://www.expedia.com/lp/flights/fma/pss/formosa-to-posadas) - [Flights from Lima (LIM) to Posadas (PSS)](https://www.expedia.com/lp/flights/lim/pss/lima-to-posadas) - [Flights from Corrientes (CNQ) to Posadas (PSS)](https://www.expedia.com/lp/flights/cnq/pss/corrientes-to-posadas) - [Flights from Mendoza (MDZ) to Posadas (PSS)](https://www.expedia.com/lp/flights/mdz/pss/mendoza-to-posadas) - [Flights from Santa Cruz (VVI) to Posadas (PSS)](https://www.expedia.com/lp/flights/vvi/pss/santa-cruz-to-posadas) - [Flights from Santa Fe (SFN) to Posadas (PSS)](https://www.expedia.com/lp/flights/sfn/pss/santa-fe-to-posadas) - [Flights from Mexico City (MEX) to Posadas (PSS)](https://www.expedia.com/lp/flights/mex/pss/mexico-city-to-posadas) - [Flights from Curitiba (CWB) to Posadas (PSS)](https://www.expedia.com/lp/flights/cwb/pss/curitiba-to-posadas) - [Flights from Toronto (YYZ) to Posadas (PSS)](https://www.expedia.com/lp/flights/yyz/pss/toronto-to-posadas) - [Flights from Panama City (PTY) to Posadas (PSS)](https://www.expedia.com/lp/flights/pty/pss/panama-city-to-posadas) - [Flights from Salta (SLA) to Posadas (PSS)](https://www.expedia.com/lp/flights/sla/pss/salta-to-posadas) - [Flights from San Francisco (SFO) to Posadas (PSS)](https://www.expedia.com/lp/flights/sfo/pss/san-francisco-to-posadas) - [Flights from El Calafate (FTE) to Posadas (PSS)](https://www.expedia.com/lp/flights/fte/pss/el-calafate-to-posadas) - [Flights from Ushuaia (USH) to Posadas (PSS)](https://www.expedia.com/lp/flights/ush/pss/ushuaia-to-posadas) - [Flights from Detroit (DTW) to Posadas (PSS)](https://www.expedia.com/lp/flights/dtw/pss/detroit-to-posadas) - [Flights from Budapest (BUD) to Posadas (PSS)](https://www.expedia.com/lp/flights/bud/pss/budapest-to-posadas) - [Flights from Houston (IAH) to Posadas (PSS)](https://www.expedia.com/lp/flights/iah/pss/houston-to-posadas) \*Available to One Key members. ## Other language versions ```yaml hreflang: x-default: https://www.expedia.com/lp/flights/hou/pss/houston-to-posadas ar: https://www.expedia.sa/lp/flights/hou/pss/houston-to-posadas es-ES: https://www.expedia.es/lp/vuelos/hou/pss/houston-a-posadas en-US: https://www.expedia.com/lp/flights/hou/pss/houston-to-posadas ```