--- title: "Baltimore to Buenos Aires cheap flights from $331 (BWI to AEP) - Expedia" description: "Cheap Flights from Baltimore (BWI) to Buenos Aires (AEP) start at $331 for one-way and $706 for round trip. Earn your airline miles on top of our rewards!" canonical: "https://www.expedia.com/lp/flights/bwi/aep/baltimore-to-buenos-aires" language: en-US market: US currency: USD prices_as_of: 2026-11-14T20:30:30Z --- # $331 Cheap Flights from Baltimore (BWI) to Buenos Aires (AEP) ![A city skyline with modern buildings, a river reflecting the structures, and a distinctive white bridge with a pointed arch.](https://images.trvl-media.com/place/6025991/9b12a3ea-64d3-4bc7-9612-0681e7d7d191.jpg?impolicy=fcrop&w=1200&h=500&q=medium) [View $331 flight on Sun, Jan 24, 2027](https://www.expedia.com/Flights-Search?leg1=from:BWI,to:AEP,departure:1/24/2027TANYT&trip=oneway&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&flp=mdl:flights-flex-module,price:330.25&airProductToken=AQqcAQo6CMyCARIENzA5OBjBRSDgXCiHtKMDMIa1owM4UUAAWAFqAlNMcghRTEVTTFozWHoKCMSYARIEMjc5OQouCMyCARIEMjQ4MxjgXCCLYijDtqMDMNi5owM4UUABWAFqAlNMcghRTEVTTFozWAouCMyCARIEMjM4MBiLYiCAeSjru6MDMPS9owM4UUABWAFqAlNMcghRTEVTTFozWBIKCAEQARgBKgJMQRgBIgQIARABKAIoBCgGMAE) ## Popular airlines from Baltimore Washington Intl. Airport (BWI) to Buenos Aires (AEP-Aeroparque Jorge Newbery) [LATAM Airlines Group](https://www.expedia.com/Flights-Search?leg1=from:BWI,to:AEP,departure:11/28/2026TANYT&leg2=from:AEP,to:BWI,departure:12/5/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"LA"}}]) [GOL Linhas Aereas S.A.](https://www.expedia.com/Flights-Search?leg1=from:BWI,to:AEP,departure:11/28/2026TANYT&leg2=from:AEP,to:BWI,departure:12/5/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"G3"}}]) [Delta](https://www.expedia.com/Flights-Search?leg1=from:BWI,to:AEP,departure:11/28/2026TANYT&leg2=from:AEP,to:BWI,departure:12/5/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"DL"}}]) ### Be in the know Get alerts if flight prices drop or rise\* ### Book smarter Save up to 30% on select hotels after you book a flight\* ### Earn twice Earn your airline miles on top of our OneKeyCash [Learn about One Key](https://www.expedia.com/welcome-one-key) ## Cheap Flights from Baltimore to Buenos Aires (BWI-AEP) Prices were available within the past 7 days and start at $331 for one-way flights and $706 for roundtrip, for the period specified. Prices and availability are subject to change. All deals One way Roundtrip [Select LATAM Airlines Group flight, departing Sat, Jan 16 from Baltimore to Buenos Aires, returning Fri, Jan 22, priced at $706 Found 4 days ago](https://www.expedia.com/Flights-Search?leg1=from:BWI,to:AEP,departure:1/16/2027TANYT&leg2=from:AEP,to:BWI,departure:1/22/2027TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&flp=mdl:flights-flex-module,price:705.90&airProductToken=AQqoAQo5CMyCARIENjMwMhjBRSDgXCik2KIDMKLZogM4UUAAWAFqAlNMcghRTEVTTDEwWHoJCMSYARIDODAxCjoIzIIBEgQ2MzQ1GOBcIKakASjO2qIDMIjfogM4UUABWAFqAlNMcghRTEVTTDEwWHoJCMSYARIDMTA1Ci8IzIIBEgQ4MTkyGKakASCAeSj736IDMKrhogM4UUABWAFqAlNMcghRTEVTTDEwWAqpAQovCMyCARIEODAzMxiAeSCmpAEo25qjAzCAnKMDOFFAAFgBagJTTHIIUUxFU0wxMFgKOgjMggESBDYzNzUYpqQBIOBcKM-eowMwraOjAzhRQAFYAWoCU0xyCFFMRVNMMTBYegkIxJgBEgMyNjgKOgjMggESBDYxNTEY4FwgwUUovaijAzCnqaMDOFFAAVgBagJTTHIIUUxFU0wxMFh6CgjEmAESBDEyNjcSCggBEAEYASoCTEEYASIECAEQASgCKAQoBjAB) Sat, Jan 16 - Fri, Jan 22 · BWI · AEP · Roundtrip [Select Delta flight, departing Sun, Sep 12 from Baltimore to Buenos Aires, returning Tue, Sep 21, priced at $744 Found 4 days ago](https://www.expedia.com/Flights-Search?leg1=from:BWI,to:AEP,departure:9/12/2027TANYT&leg2=from:AEP,to:BWI,departure:9/21/2027TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&flp=mdl:flights-flex-module,price:743.49&airProductToken=AQq9AQo1CMSYARIEMTI2NxjBRSDgXCjy2rcDMPHbtwM4RUAAWAFqCU1BSU5CQVNJQ3IIWExOQTBOQlAKQQjEmAESBDYwNzgY4Fwgi2Ioo923AzC44LcDOEVAAVgBaglNQUlOQkFTSUNyCFhMTkEwTkJQegoIzIIBEgQyNDgzCkEIxJgBEgQ3MzU2GItiIIB5KMbitwMw1OS3AzhFQAFYAWoJTUFJTkJBU0lDcghYTE5BME5CUHoKCMyCARIEMjM4MArBAQpCCMSYARIENjM0MhiAeSCmpAEo4L-4AzCAwbgDOEVAAFgBaglNQUlOQkFTSUNyCFZMTkExTkJQegoIzIIBEgQ4MDM1CkMIxJgBEgQ2MDMxGKakASDBkwEo6cG4AzC3xrgDOEVAAVgBaglNQUlOQkFTSUNyCFZMTkExTkJQegoIzIIBEgQ4MTY0CjYIxJgBEgQ1NjQ0GMGTASDBRSjwx7gDMNvIuAM4RUABWAFqCU1BSU5CQVNJQ3IIVkxOQTFOQlASCggBEAEYASoCREwYASIECAEQASgCKAMoBDAB) 12 - Tue, Sep 21 · BWI · AEP · Roundtrip [Select LATAM Airlines Group flight, departing Tue, Apr 13 from Baltimore to Buenos Aires, returning Wed, May 5, priced at $746 Found 2 days ago](https://www.expedia.com/Flights-Search?leg1=from:BWI,to:AEP,departure:4/13/2027TANYT&leg2=from:AEP,to:BWI,departure:5/5/2027TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&flp=mdl:flights-flex-module,price:745.42&airProductToken=AQqcAQo6CMyCARIENjE1MRjBRSDgXCjyrKoDMPGtqgM4UUAAWAFqAlNMcghRTEVTTDEwWHoKCMSYARIEMTI2NwouCMyCARIEMjQ4MxjgXCCLYiijr6oDMLiyqgM4UUABWAFqAlNMcghRTEVTTDEwWAouCMyCARIEMjM2ORiLYiCAeSjmtaoDMOq3qgM4UUABWAFqAlNMcghRTEVTTDEwWAqmAQouCMyCARIEMjM4MRiAeSCLYijTo6wDMPWlrAM4UUAAWAFqAlNMcghRTEVTTDEwWAo5CMyCARIENjM1NhiLYiDgXCipp6wDMM6qrAM4UUABWAFqAlNMcghRTEVTTDEwWHoJCMSYARIDMTUwCjkIzIIBEgQ2MzAyGOBcIMFFKMCrrAMwrKysAzhRQAFYAWoCU0xyCFFMRVNMMTBYegkIxJgBEgM4MDESCggBEAEYASoCTEEYASIECAEQASgCKAQoBjAB) T · ue, Apr 13 - Wed, May 5 · BWI · AEP · Roundtrip [Select LATAM Airlines Group flight, departing Fri, Nov 27 from Baltimore to Buenos Aires, returning Fri, Dec 4, priced at $756 Found 1 day ago](https://www.expedia.com/Flights-Search?leg1=from:BWI,to:AEP,departure:11/27/2026TANYT&leg2=from:AEP,to:BWI,departure:12/4/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&flp=mdl:flights-flex-module,price:755.75&airProductToken=AQqcAQo6CMyCARIEODk4NxjBRSDgXCjSp54DMMmongM4TkAAWAFqAlNMcghOTEVTTFowWHoKCMSYARIEMjc5OQouCMyCARIEMjQ4MxjgXCCLYiiDqp4DMJitngM4TkABWAFqAlNMcghOTEVTTFowWAouCMyCARIEMjM2ORiLYiCAeSjGsJ4DMMqyngM4TkABWAFqAlNMcghOTEVTTFowWAqcAQouCMyCARIEMjk5NBiAeSCLYijM754DMO7xngM4UUAAWAFqAlNMcghRTEVTTDEwWAouCMyCARIEMjQ4MhiLYiDgXCiG9J4DMMP3ngM4UUABWAFqAlNMcghRTEVTTDEwWAo6CMyCARIENzAzNRjgXCDBRSjQ-J4DMLz5ngM4UUABWAFqAlNMcghRTEVTTDEwWHoKCMSYARIEMjY3MBIKCAEQARgBKgJMQRgBIgQIARABKAIoBCgGMAE) Fri, Nov 27 - Fri, Dec 4 · BWI · AEP · Roundtrip [Select LATAM Airlines Group flight, departing Sat, Jan 16 from Baltimore to Buenos Aires, returning Fri, Jan 22, priced at $786 Found 4 days ago](https://www.expedia.com/Flights-Search?leg1=from:BWI,to:AEP,departure:1/16/2027TANYT&leg2=from:AEP,to:BWI,departure:1/22/2027TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&flp=mdl:flights-flex-module,price:785.98&airProductToken=AQqbAQo5CMyCARIENjMwMhjBRSDgXCik2KIDMKLZogM4TkAAWAFqAlNMcghOTEVTTFowWHoJCMSYARIDODAxCi4IzIIBEgQyNDgzGOBcIItiKMPcogMw2N-iAzhOQAFYAWoCU0xyCE5MRVNMWjBYCi4IzIIBEgQyMzY5GItiIIB5KIbjogMwiuWiAzhOQAFYAWoCU0xyCE5MRVNMWjBYCqkBCi8IzIIBEgQ4MDMzGIB5IKakASjbmqMDMICcowM4UUAAWAFqAlNMcghRTEVTTDEwWAo6CMyCARIENjM3NRimpAEg4Fwoz56jAzCto6MDOFFAAVgBagJTTHIIUUxFU0wxMFh6CQjEmAESAzI2OAo6CMyCARIENjE1MRjgXCDBRSi9qKMDMKepowM4UUABWAFqAlNMcghRTEVTTDEwWHoKCMSYARIEMTI2NxIKCAEQARgBKgJMQRgBIgQIARABKAIoBCgGMAE) Sat, Jan 16 - Fri, Jan 22 · BWI · AEP · Roundtrip [Select LATAM Airlines Group flight, departing Sun, Aug 29 from Baltimore to Buenos Aires, returning Sat, Sep 11, priced at $798 Found 4 days ago](https://www.expedia.com/Flights-Search?leg1=from:BWI,to:AEP,departure:8/29/2027TANYT&leg2=from:AEP,to:BWI,departure:9/11/2027TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&flp=mdl:flights-flex-module,price:797.99&airProductToken=AQqcAQo6CMyCARIEODQ4NxjBRSDgXCiMvrYDMIu%5FtgM4TkAAWAFqAlNMcghOTEVTTFowWHoKCMSYARIEMjkyOAouCMyCARIEMjQ4MxjgXCCLYijjv7YDMPjCtgM4TkABWAFqAlNMcghOTEVTTFowWAouCMyCARIEMjM2ORiLYiCAeSimxrYDMKrItgM4TkABWAFqAlNMcghOTEVTTFowWAqgAQovCMyCARIEODE5MxiAeSCmpAEolcy3AzC6zbcDOFFAAFgBagJTTHIIUUxFU0wxMFgKMAjMggESBDgxNjQYpqQBIMGTASip0bcDMPfVtwM4UUABWAFqAlNMcghRTEVTTDEwWAo7CMyCARIENjIxMhjBkwEgwUUosNe3AzCb2LcDOFFAAVgBagJTTHIIUUxFU0wxMFh6CgjEmAESBDU2NDQSDAgBEAEYASoCTEEyABgBIgQIARABKAIoBCgGMAE) Sun, Aug 29 - Sat, Sep 11 · BWI · AEP · Roundtrip [Select Delta flight, departing Sun, Aug 29 from Baltimore to Buenos Aires, returning Sat, Sep 4, priced at $801 Found 3 days ago](https://www.expedia.com/Flights-Search?leg1=from:BWI,to:AEP,departure:8/29/2027TANYT&leg2=from:AEP,to:BWI,departure:9/4/2027TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&flp=mdl:flights-flex-module,price:800.32&airProductToken=AQqQAQouCMSYARIEMjkyOBjBRSDgXCiMvrYDMIu%5FtgM4VkAAWAFqAlNMcghOTEVTTFowWAouCMyCARIEMjQ4MxjgXCCLYijjv7YDMPjCtgM4TkABWAFqAlNMcghOTEVTTFowWAouCMyCARIEMjM4MBiLYiCAeSiGxbYDMJTHtgM4TkABWAFqAlNMcghOTEVTTFowWAqgAQovCMyCARIEODE5MxiAeSCmpAEotf22AzDa%5FrYDOFFAAFgBagJTTHIIUUxFU0wxMFgKMAjMggESBDgxNjQYpqQBIMGTASjJgrcDMJeHtwM4UUABWAFqAlNMcghRTEVTTDEwWAo7CMyCARIENjIxMhjBkwEgwUUo0Ii3AzC7ibcDOFFAAVgBagJTTHIIUUxFU0wxMFh6CgjEmAESBDU2NDQSDAgBEAEYASoCTEEyABgBIgQIARABKAIoBCgGMAE) Sun, Aug 29 - Sat, Sep 4 · BWI · AEP · Roundtrip [Select LATAM Airlines Group flight, departing Tue, Apr 13 from Baltimore to Buenos Aires, returning Wed, May 5, priced at $806 Found 2 days ago](https://www.expedia.com/Flights-Search?leg1=from:BWI,to:AEP,departure:4/13/2027TANYT&leg2=from:AEP,to:BWI,departure:5/5/2027TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&flp=mdl:flights-flex-module,price:805.74&airProductToken=AQqbAQo5CMyCARIENjMwMhjBRSDgXCiPqqoDMIirqgM4UUAAWAFqAlNMcghRTEVTTDEwWHoJCMSYARIDODAxCi4IzIIBEgQyNDgzGOBcIItiKKOvqgMwuLKqAzhRQAFYAWoCU0xyCFFMRVNMMTBYCi4IzIIBEgQyMzgwGItiIIB5KMa0qgMw1LaqAzhRQAFYAWoCU0xyCFFMRVNMMTBYCqcBCi4IzIIBEgQyNDQ1GIB5INJYKOmfrAMw8aCsAzhOQABYAWoCU0xyCE5MRVNMWjBYCjkIzIIBEgQ2MzU4GNJYIOBcKMilrAMwjqqsAzhOQAFYAWoCU0xyCE5MRVNMWjBYegkIxJgBEgMxNDYKOgjMggESBDg0ODcY4FwgwUUojK-sAzD2r6wDOE5AAVgBagJTTHIITkxFU0xaMFh6CgjEmAESBDI5MjgSCggBEAEYASoCTEEYASIECAEQASgCKAQoBjAB) Tue, Apr 13 - Wed, May 5 · BWI · AEP · Roundtrip [Select American Airlines flight, departing Sun, May 16 from Baltimore to Buenos Aires, returning Fri, May 21, priced at $828 Found 3 days ago](https://www.expedia.com/Flights-Search?leg1=from:BWI,to:AEP,departure:5/16/2027TANYT&leg2=from:AEP,to:BWI,departure:5/21/2027TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&flp=mdl:flights-flex-module,price:827.49&airProductToken=AQqWAQowCMGCARIENDA5NhjBRSCMAijUoK0DMP2hrQM4T0AAWAFqBE1BSU5yCE9MTjBOSE0xCjAIwYIBEgM5OTUYjAIgpqQBKKqirQMwqKatAzhPQAFYAWoETUFJTnIIT0xOME5ITTEKMAjHZhIENzY0MhimpAEggHko%5FKitAzC1qq0DOE9AAVgBagRNQUlOcghPTE4wTkhNMQqUAQovCMdmEgQ3NjkzGIB5IIYyKOjVrQMwl9etAzhPQABYAWoETUFJTnIIT0xOME5ITTEKLwjBggESAzkwNBiGMiCMAijm2a0DMOndrQM4T0ABWAFqBE1BSU5yCE9MTjBOSE0xCjAIwYIBEgQxOTMxGIwCIMFFKI7frQMwquCtAzhPQAFYAWoETUFJTnIIT0xOME5ITTESDAgBEAEYASoCQUEyABgBIgQIARABKAIoAygEMAE) Sun, May 16 - Fri, May 21 · BWI · AEP · Roundtrip [Select GOL Linhas Aereas S.A. flight, departing Sat, Nov 28 from Baltimore to Buenos Aires, returning Sun, Dec 20, priced at $1,740 Found 2 days ago](https://www.expedia.com/Flights-Search?leg1=from:BWI,to:AEP,departure:11/28/2026TANYT&leg2=from:AEP,to:BWI,departure:12/20/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&flp=mdl:flights-flex-module,price:1739.73&airProductToken=AQqZAQo5CMdmEgQ2MDY3GMFFIIwCKOyzngMwmbWeAzhVQABYAWoCTElyCFVOQUNCRzJKegoIwYIBEgQxODg5Ci0Ix2YSBDc3NDkYjAIgwQwom8CeAzDnw54DOFVAAVgBagJMSXIIVU5BQ0JHMkoKLQjHZhIENzcwOBjBDCCAeSjkxJ4DMMDGngM4VUABWAFqAkxJcghVTkFDQkcySgqZAQotCMdmEgQ3NzA5GIB5IMEMKIajoAMwzqSgAzhVQABYAWoCTElyCFVOQUJCRzJKCi0Ix2YSBDc3NDgYwQwgjAIoh6agAzDdqaADOFVAAVgBagJMSXIIVU5BQkJHMkoKOQjHZhIEMzczMRiMAiDBRSjMrKADMPatoAM4VUABWAFqAkxJcghVTkFCQkcySnoKCMGCARIEMTEyMxIMCAEQARgBKgJHMzIAGAEiBAgBEAEoAigDKAQwAQ) Sat, Nov 28 - Sun, Dec 20 · BWI · AEP · Roundtrip ## Alternative airports near Buenos Aires Prices were available within the past 7 days. Prices and availability are subject to change. [Select flight to Ministro Pistarini Intl. EZE. Cheapest option available. Average driving time to city center is 25 minutes. Flights from $725](https://www.expedia.com/Flights-Search?leg1=from:BWI,to:EZE,departure:11/28/2026TANYT&leg2=from:EZE,to:BWI,departure:12/5/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&sortOrder=INCREASING&sortType=PRICE) 25 min ## Book with confidence ### Baltimore to Buenos Aires Flights #### The cheapest times to fly from Baltimore to Buenos Aires 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 Baltimore to Buenos Aires are during the month of January. You can find some of the cheapest flights from Baltimore to Buenos Aires with Expedia's search tool and vast selection of airlines. #### The best time to book a flight from Baltimore to Buenos Aires Sunday is one of the best days to book for cheap flights from Baltimore to Buenos Aires: 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 Baltimore to Buenos Aires 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 Baltimore to Buenos Aires in 2026\. You can also book with separate airlines for your outbound and return journeys, from $331 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 Baltimore to Buenos Aires 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 Baltimore to Buenos Aires 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 Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall) to Buenos Aires (AEP-Aeroparque Jorge Newbery) cost? You can find cheap one-way flights from $331 and cheap return flights $706 Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall) to Buenos Aires (AEP-Aeroparque Jorge Newbery) with Expedia. Roundtrip flights usually range from $908 to $4549\. 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 the cheapest fares first, and use the Price Tracking tool to receive alerts when Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall) to Buenos Aires (AEP-Aeroparque Jorge Newbery) ticket fares go up or down. *\*Typical price ranges based on flights available on Expedia in the last year. Prices include multi-airline options.* ### What is the cheapest month to fly from Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall) to Buenos Aires (AEP-Aeroparque Jorge Newbery)? The cheapest month to fly from BWI to AEP is January 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 Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall) to Buenos Aires (AEP-Aeroparque Jorge Newbery)? Enter BWI to AEP and your travel dates, then apply the 'Nonstop' filter to see only direct flights. ### What is the cheapest airline that flies from Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall) to Buenos Aires (AEP-Aeroparque Jorge Newbery)? Delta is one of the cheapest airlines offering connecting flights from Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall) to Buenos Aires (AEP-Aeroparque Jorge Newbery), with round-trip tickets starting from around $735 with a layover in Hartsfield-Jackson Atlanta Intl. (ATL). Use Expedia's search tool to compare the prices and schedules of airlines that fly this route to find the best option for your plans and budget. *\*Prices based on flights available on Expedia in the last year.* ### How do I find cheap flights from Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall) to Buenos Aires (AEP-Aeroparque Jorge Newbery)? To find a cheap flight from Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall) to Buenos Aires (AEP-Aeroparque Jorge Newbery), 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 Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall) to Buenos Aires (AEP-Aeroparque Jorge Newbery)? 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 Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall) to Buenos Aires (AEP-Aeroparque Jorge Newbery)? The earliest flight from Baltimore (BWI) to Buenos Aires (AEP) usually departs at around 5:35 AM, operated by Delta and Aerolineas Argentinas. This seasonal service is active in August, making it a great option for early travelers looking to make the most of their time in Buenos Aires. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search. ### How long does it take to fly from Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall) to Buenos Aires (AEP-Aeroparque Jorge Newbery)? Flights from BWI to AEP with one stop typically take around 23 hours 50 minutes, covering approximately 5,227 miles. Keep in mind that actual flight times can vary due to wind patterns, weather, and air traffic. ### Can you fly business or first class from Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall) to Buenos Aires (AEP-Aeroparque Jorge Newbery)? Select the "Business class" and "First class" filters when looking for BWI to AEP 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 Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall) to Buenos Aires (AEP-Aeroparque Jorge Newbery) flight with Expedia? It's easy to earn miles on a Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall) to Buenos Aires (AEP-Aeroparque Jorge Newbery) 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. ### What airports do you fly into for Buenos Aires from Baltimore Washington Intl. Thurgood Marshall (BWI)? From Baltimore Washington Intl. Thurgood Marshall (BWI), you can fly into Aeroparque Jorge Newbery (AEP) and Ministro Pistarini Intl. (EZE) in Buenos Aires. Some flights may connect through major hubs like Hartsfield-Jackson Atlanta Intl. (ATL), Miami Intl. (MIA), George Bush Intercontinental (IAH) before reaching Buenos Aires. Compare routes and airports on Expedia to find the best flight options for your travel plans. ### Is it cheaper to buy a plane ticket from Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall) to Buenos Aires (AEP-Aeroparque Jorge Newbery) at the last minute? Typically, booking a last minute flight from Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall) to Buenos Aires (AEP-Aeroparque Jorge Newbery) 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 Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall) to Buenos Aires (AEP-Aeroparque Jorge Newbery) flight and hotel package? Securing a Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall) to Buenos Aires (AEP-Aeroparque Jorge Newbery) [Buenos Aires Vacation Packages](https://www.expedia.com/buenos-aires.d178242.destination-travel-guides) 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 Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall) to Buenos Aires (AEP-Aeroparque Jorge Newbery)? If you booked your Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall) to Buenos Aires (AEP-Aeroparque Jorge Newbery) 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 | Baltimore Washington Intl. Airport | | ------------------- | --------------------------------------------------- | | Destination airport | Buenos Aires | | Distance | 5,226 miles away | | Airlines serving | LATAM Airlines Group, GOL Linhas Aereas S.A., Delta | | Popular airline | LATAM Airlines Group | | Roundtrip price | $706 | ## Explore a world of travel with Expedia - [Flights](?equalTargetTab=tab-0) - [Flights from Fort Lauderdale (FLL) to Buenos Aires (AEP)](https://www.expedia.com/lp/flights/fll/aep/fort-lauderdale-to-buenos-aires) - [Flights from Bariloche (BRC) to Buenos Aires (AEP)](https://www.expedia.com/lp/flights/brc/aep/bariloche-to-buenos-aires) - [Flights from Quito (UIO) to Buenos Aires (AEP)](https://www.expedia.com/lp/flights/uio/aep/quito-to-buenos-aires) - [Flights from Rosario (ROS) to Buenos Aires (AEP)](https://www.expedia.com/lp/flights/ros/aep/rosario-to-buenos-aires) - [Flights from Los Angeles (LAX) to Buenos Aires (AEP)](https://www.expedia.com/lp/flights/lax/aep/los-angeles-to-buenos-aires) - 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