--- title: "Eugene to Sioux City cheap flights from $581 (EUG to SUX) - Expedia" description: "Cheap Flights from Eugene (EUG) to Sioux City (SUX) start at $581 for one-way and $673 for round trip. Earn your airline miles on top of our rewards!" canonical: "https://www.expedia.com/lp/flights/eug/sux/eugene-to-sioux-city" language: en-US market: US currency: USD prices_as_of: 2026-11-14T16:57:59Z --- # $581 Cheap Flights from Eugene (EUG) to Sioux City (SUX) ![A statue of a figure holding a rifle on a stone pedestal with a metal railing around it.](https://images.trvl-media.com/place/601710/b208f7a4-6413-4b56-85ca-76b0af29564e.jpg?impolicy=fcrop&w=1200&h=500&q=medium) [View $581 flight on Tue, Apr 6, 2027](https://www.expedia.com/Flights-Search?leg1=from:EUG,to:SUX,departure:4/6/2027TANYT&trip=oneway&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&flp=mdl:flights-flex-module,price:580.50&airProductToken=AQriAQo2CNWCARIEMjExNRiENSCycSji2akDMMTaqQM4TkAAWAFqCjFfYmFzaWNlY29yCFdBQTFQRkJOCjcI1YIBEgQyNDg3GLJxIIu4ASjz26kDMNTcqQM4TkAAWAFqCjFfYmFzaWNlY29yCFdBQTFQRkJOCjYI1YIBEgM0NzUYi7gBIINpKOrdqQMw9t6pAzhOQABYAWoKMV9iYXNpY2Vjb3IIVkFBMkFEQk4KNwjVggESBDYwNjIYg2kgkr0BKLTgqQMwmuGpAzhOQABYAWoKMV9iYXNpY2Vjb3IIVkFBMkFEQk4SCggBEAEYASoCVUEYASIECAEQASgCKAMoBDAL) Photo by Erik Rowley ## Popular airlines from Mahlon Sweet Field Airport (EUG) to Sioux City, IA (SUX-Sioux Gateway) [American Airlines](https://www.expedia.com/Flights-Search?leg1=from:EUG,to:SUX,departure:11/28/2026TANYT&leg2=from:SUX,to:EUG,departure:12/5/2026TANYT&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:EUG,to:SUX,departure:11/28/2026TANYT&leg2=from:SUX,to:EUG,departure:12/5/2026TANYT&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:EUG,to:SUX,departure:11/28/2026TANYT&leg2=from:SUX,to:EUG,departure:12/5/2026TANYT&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:EUG,to:SUX,departure:11/28/2026TANYT&leg2=from:SUX,to:EUG,departure:12/5/2026TANYT&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:EUG,to:SUX,departure:11/28/2026TANYT&leg2=from:SUX,to:EUG,departure:12/5/2026TANYT&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:EUG,to:SUX,departure:11/28/2026TANYT&leg2=from:SUX,to:EUG,departure:12/5/2026TANYT&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:EUG,to:SUX,departure:11/28/2026TANYT&leg2=from:SUX,to:EUG,departure:12/5/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"AS"}}]) ### 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 Eugene to Sioux City (EUG-SUX) Prices were available within the past 7 days and start at $581 for one-way flights and $673 for roundtrip, for the period specified. Prices and availability are subject to change. All deals One way Roundtrip [Select United flight, departing Tue, Apr 6 from Eugene to Sioux City, returning Tue, Apr 13, priced at $673 Found 3 days ago](https://www.expedia.com/Flights-Search?leg1=from:EUG,to:SUX,departure:4/6/2027TANYT&leg2=from:SUX,to:EUG,departure:4/13/2027TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&flp=mdl:flights-flex-module,price:672.10&airProductToken=AQprCjMI1YIBEgQyNjI1GIQ1IINpKJDdqQMwtN6pAzhTQABYAWoHRUNPTk9NWXIIU0FQNUFLRE4KNAjVggESBDYwNjIYg2kgkr0BKLTgqQMwmuGpAzhMQAFYAWoHRUNPTk9NWXIITEVBMkFBRE4KnwEKNAjVggESBDUxMDQYkr0BIINpKNSnqgMwzKiqAzhMQABYAWoHRUNPTk9NWXIITEZBMkFERE4KMwjVggESBDIzOTEYg2kgsnEo-aiqAzCdqqoDOExAAVgBagdFQ09OT01ZcghMRkEyQURETgoyCNWCARIDNzkwGLJxIIQ1KMWqqgMwrquqAzhMQAFYAWoHRUNPTk9NWXIITEZBMkFERE4SCggBEAEYASoCVUEYASIECAEQASgCKAMoBDAB) Tue, Apr 6 - Tue, Apr 13 · EUG · SUX · Roundtrip [Select United flight, departing Tue, Apr 6 from Eugene to Sioux City, returning Tue, Apr 13, priced at $783 Found 3 days ago](https://www.expedia.com/Flights-Search?leg1=from:EUG,to:SUX,departure:4/6/2027TANYT&leg2=from:SUX,to:EUG,departure:4/13/2027TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&flp=mdl:flights-flex-module,price:782.11&airProductToken=AQprCjMI1YIBEgQyNjI1GIQ1IINpKJDdqQMwtN6pAzhTQABYAWoHRUNPTk9NWXIIU0FQNUFLRE4KNAjVggESBDYwNjIYg2kgkr0BKLTgqQMwmuGpAzhMQAFYAWoHRUNPTk9NWXIITEVBMkFBRE4KoAEKNAjVggESBDYwNTgYkr0BIK4cKIupqgMw-6mqAzhWQABYAWoHRUNPTk9NWXIIVkFBMkpRRVMKMwjVggESBDIyNDAYrhwgg2koxquqAzDkrKoDOFZAAVgBagdFQ09OT01ZcghWQUEySlFFUwozCNWCARIEMTMwMxiDaSCENSjJrqoDMPavqgM4VkABWAFqB0VDT05PTVlyCFZBQTJKUUVTEgoIARABGAEqAlVBGAEiBAgBEAEoAigDKAQwAQ) Tue, Apr 6 - Tue, Apr 13 · EUG · SUX · Roundtrip [Select United flight, departing Tue, Apr 6 from Eugene to Sioux City, returning Tue, Apr 13, priced at $842 Found 3 days ago](https://www.expedia.com/Flights-Search?leg1=from:EUG,to:SUX,departure:4/6/2027TANYT&leg2=from:SUX,to:EUG,departure:4/13/2027TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&flp=mdl:flights-flex-module,price:841.30&airProductToken=AQprCjMI1YIBEgQyNjI1GIQ1IINpKJDdqQMwtN6pAzhTQABYAWoHRUNPTk9NWXIIU0FQNUFLRE4KNAjVggESBDYwNjIYg2kgkr0BKLTgqQMwmuGpAzhMQAFYAWoHRUNPTk9NWXIITEVBMkFBRE4Kago0CNWCARIENTEwNBiSvQEgg2ko1KeqAzDMqKoDOExAAFgBagdFQ09OT01ZcghMRUEyQUFETgoyCNWCARIDMzE4GINpIIQ1KMuqqgMw-KuqAzhTQAFYAWoHRUNPTk9NWXIIU0FQNUFLRE4SCggBEAEYASoCVUEYASIECAEQASgCKAMoBDAB) Tue, Apr 6 - Tue, Apr 13 · EUG · SUX · Roundtrip [Select United flight, departing Tue, Apr 6 from Eugene to Sioux City, returning Tue, Apr 13, priced at $844 Found 3 days ago](https://www.expedia.com/Flights-Search?leg1=from:EUG,to:SUX,departure:4/6/2027TANYT&leg2=from:SUX,to:EUG,departure:4/13/2027TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&flp=mdl:flights-flex-module,price:843.90&airProductToken=AQqaAQoxCNWCARIEMTI0MRiENSCDaSiw2akDMM3aqQM4VUAAWAFqBTJfZWNvcghVQUEwQURFTgoxCNWCARIEMjg2NRiDaSCuHCjr26kDMPbcqQM4VUAAWAFqBTJfZWNvcghVQUEwQURFTgoyCNWCARIENTAyMRiuHCCSvQEozN2pAzC-3qkDOFVAAFgBagUyX2Vjb3IIVUFBMEFERU4KmQEKMgjVggESBDUxMDQYkr0BIINpKNSnqgMwzKiqAzhMQABYAWoFMl9lY29yCExGQTJBREROCjEI1YIBEgQyMzkxGINpILJxKPmoqgMwnaqqAzhMQABYAWoFMl9lY29yCExGQTJBREROCjAI1YIBEgM3OTAYsnEghDUoxaqqAzCuq6oDOExAAFgBagUyX2Vjb3IITEZBMkFERE4SCggBEAEYASoCVUEYASIECAEQASgCKAMoBDAL) Tue, Apr 6 - Tue, Apr 13 · EUG · SUX · Roundtrip [Select United flight, departing Wed, Apr 7 from Eugene to Sioux City, returning Wed, Apr 14, priced at $858 Found 3 days ago](https://www.expedia.com/Flights-Search?leg1=from:EUG,to:SUX,departure:4/7/2027TANYT&leg2=from:SUX,to:EUG,departure:4/14/2027TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&flp=mdl:flights-flex-module,price:857.11&airProductToken=AQprCjMI1YIBEgQyNjI1GIQ1IINpKLDoqQMw1OmpAzhTQABYAWoHRUNPTk9NWXIIU0FQNUFLRE4KNAjVggESBDYwNjIYg2kgkr0BKNTrqQMwuuypAzhMQAFYAWoHRUNPTk9NWXIITEVBMkFBRE4KnwEKNAjVggESBDUxMDQYkr0BIINpKPSyqgMw7LOqAzhRQABYAWoHRUNPTk9NWXIIUUFBMk9ERU4KMwjVggESBDIzOTEYg2kgsnEombSqAzC9taoDOFFAAVgBagdFQ09OT01ZcghRQUEyT0RFTgoyCNWCARIDNzkwGLJxIIQ1KOW1qgMwzraqAzhRQAFYAWoHRUNPTk9NWXIIUUFBMk9ERU4SCggBEAEYASoCVUEYASIECAEQASgCKAMoBDAB) Wed, Apr 7 - Wed, Apr 14 · EUG · SUX · Roundtrip [Select United flight, departing Tue, Apr 6 from Eugene to Sioux City, returning Tue, Apr 13, priced at $859 Found 3 days ago](https://www.expedia.com/Flights-Search?leg1=from:EUG,to:SUX,departure:4/6/2027TANYT&leg2=from:SUX,to:EUG,departure:4/13/2027TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&flp=mdl:flights-flex-module,price:858.40&airProductToken=AQqZAQoxCNWCARIEMTI0MRiENSCDaSiw2akDMM3aqQM4VkAAWAFqBTJfZWNvcghWRkEwQURETgowCNWCARIDNjUyGINpIK4cKJTbqQMwpdypAzhWQABYAWoFMl9lY29yCFZGQTBBREROCjII1YIBEgQ1MDIxGK4cIJK9ASjM3akDML7eqQM4V0AAWAFqBTJfZWNvcghXQUE0QUFFTgqZAQoyCNWCARIENTEwNBiSvQEgg2ko1KeqAzDMqKoDOExAAFgBagUyX2Vjb3IITEZBMkFERE4KMQjVggESBDIzOTEYg2kgsnEo-aiqAzCdqqoDOExAAFgBagUyX2Vjb3IITEZBMkFERE4KMAjVggESAzc5MBiycSCENSjFqqoDMK6rqgM4TEAAWAFqBTJfZWNvcghMRkEyQUREThIKCAEQARgBKgJVQRgBIgQIARABKAIoAygEMAs) Tue, Apr 6 - Tue, Apr 13 · EUG · SUX · Roundtrip [Select United flight, departing Tue, Apr 6 from Eugene to Sioux City, returning Tue, Apr 13, priced at $907 Found 3 days ago](https://www.expedia.com/Flights-Search?leg1=from:EUG,to:SUX,departure:4/6/2027TANYT&leg2=from:SUX,to:EUG,departure:4/13/2027TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&flp=mdl:flights-flex-module,price:906.20&airProductToken=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) Tue, Apr 6 - Tue, Apr 13 · EUG · SUX · Roundtrip [Select United flight, departing Wed, Apr 7 from Eugene to Sioux City, returning Wed, Apr 14, priced at $911 Found 3 days ago](https://www.expedia.com/Flights-Search?leg1=from:EUG,to:SUX,departure:4/7/2027TANYT&leg2=from:SUX,to:EUG,departure:4/14/2027TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&flp=mdl:flights-flex-module,price:910.31&airProductToken=AQprCjMI1YIBEgQyNjI1GIQ1IINpKLDoqQMw1OmpAzhTQABYAWoHRUNPTk9NWXIIU0FQNUFLRE4KNAjVggESBDYwNjIYg2kgkr0BKNTrqQMwuuypAzhMQAFYAWoHRUNPTk9NWXIITEVBMkFBRE4Kago0CNWCARIENTEwNBiSvQEgg2ko9LKqAzDss6oDOExAAFgBagdFQ09OT01ZcghMRUEyQUFETgoyCNWCARIDMzE4GINpIIQ1KOu1qgMwmLeqAzhXQAFYAWoHRUNPTk9NWXIIV0FBNE9LRE4SCggBEAEYASoCVUEYASIECAEQASgCKAMoBDAB) Wed, Apr 7 - Wed, Apr 14 · EUG · SUX · Roundtrip [Select United flight, departing Tue, Apr 6 from Eugene to Sioux City, returning Tue, Apr 13, priced at $931 Found 3 days ago](https://www.expedia.com/Flights-Search?leg1=from:EUG,to:SUX,departure:4/6/2027TANYT&leg2=from:SUX,to:EUG,departure:4/13/2027TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&flp=mdl:flights-flex-module,price:930.10&airProductToken=AQppCjII1YIBEgQyNjI1GIQ1IINpKJDdqQMwtN6pAzhTQABYAWoGRUNPUkVGcghTQVA1QUtETQozCNWCARIENjA2MhiDaSCSvQEotOCpAzCa4akDOFFAAVgBagZFQ09SRUZyCFFBQTBBQUVZCpwBCjMI1YIBEgQ1MTA0GJK9ASCDaSjUp6oDMMyoqgM4TEAAWAFqBkVDT1JFRnIITEZBMkFERE0KMgjVggESBDIzOTEYg2kgsnEo-aiqAzCdqqoDOExAAVgBagZFQ09SRUZyCExGQTJBRERNCjEI1YIBEgM3OTAYsnEghDUoxaqqAzCuq6oDOExAAVgBagZFQ09SRUZyCExGQTJBRERNEgoIARABGAEqAlVBGAEiBAgBEAEoAigEKAYwAQ) Tue, Apr 6 - Tue, Apr 13 · EUG · SUX · Roundtrip [Select United flight, departing Tue, Apr 6 from Eugene to Sioux City, returning Tue, Apr 13, priced at $934 Found 3 days ago](https://www.expedia.com/Flights-Search?leg1=from:EUG,to:SUX,departure:4/6/2027TANYT&leg2=from:SUX,to:EUG,departure:4/13/2027TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&flp=mdl:flights-flex-module,price:933.20&airProductToken=AQrNAQoxCNWCARIEMjExNRiENSCycSji2akDMMTaqQM4V0AAWAFqBTJfZWNvcghXQUEyT0tETgoxCNWCARIDNjExGLJxIIuQASj%5F26kDMOncqQM4V0AAWAFqBTJfZWNvcghXQUEyT0tETgoxCNWCARIDNzIwGIuQASCDaSim3qkDMJnfqQM4V0AAWAFqBTJfZWNvcghXRkEwT0RETgoyCNWCARIENjA2MhiDaSCSvQEotOCpAzCa4akDOFdAAFgBagUyX2Vjb3IIV0ZBME9ERE4KmQEKMgjVggESBDUxMDQYkr0BIINpKNSnqgMwzKiqAzhMQABYAWoFMl9lY29yCExGQTJBREROCjEI1YIBEgQyMzkxGINpILJxKPmoqgMwnaqqAzhMQABYAWoFMl9lY29yCExGQTJBREROCjAI1YIBEgM3OTAYsnEghDUoxaqqAzCuq6oDOExAAFgBagUyX2Vjb3IITEZBMkFERE4SCggBEAEYASoCVUEYASIECAEQASgCKAMoBDAL) Tue, Apr 6 - Tue, Apr 13 · EUG · SUX · Roundtrip ## Book with confidence ### Eugene to Sioux City Flights #### The cheapest times to fly from Eugene to Sioux City 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 Eugene to Sioux City are during the month of April. You can find some of the cheapest flights from Eugene to Sioux City with Expedia's search tool and vast selection of airlines. #### The best time to book a flight from Eugene to Sioux City Sunday is one of the best days to book for cheap flights from Eugene to Sioux City: 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 Eugene to Sioux City 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 Eugene to Sioux City in 2026\. You can also book with separate airlines for your outbound and return journeys, from $581 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 Eugene to Sioux City 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 Eugene to Sioux City 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 Eugene, OR (EUG) to Sioux City, IA (SUX-Sioux Gateway) cost? You can find cheap one-way flights from $581 and cheap return flights $673 Eugene, OR (EUG) to Sioux City, IA (SUX-Sioux Gateway) with Expedia. One-way flights generally range between $561 and $874\. 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 Eugene, OR (EUG) to Sioux City, IA (SUX-Sioux Gateway) 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 Eugene, OR (EUG) to Sioux City, IA (SUX-Sioux Gateway)? The cheapest month to fly from EUG to SUX is April 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 Eugene, OR (EUG) to Sioux City, IA (SUX-Sioux Gateway)? Enter EUG to SUX and your travel dates, then apply the 'Nonstop' filter to see only direct flights. ### What is the cheapest airline that flies from Eugene, OR (EUG) to Sioux City, IA (SUX-Sioux Gateway)? United, Delta and Alaska Airlines are just some of the carriers that fly from Eugene, OR (EUG) to Sioux City, IA (SUX-Sioux Gateway). Use Expedia's flight search tool to compare airlines on this route and find our cheapest option for your trip. 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 Eugene, OR (EUG) to Sioux City, IA (SUX-Sioux Gateway)? To find a cheap flight from Eugene, OR (EUG) to Sioux City, IA (SUX-Sioux Gateway), 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 Eugene, OR (EUG) to Sioux City, IA (SUX-Sioux Gateway)? 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 Eugene, OR (EUG) to Sioux City, IA (SUX-Sioux Gateway)? The earliest flight from Mahlon Sweet Field (EUG) to Sioux Gateway Airport (SUX) usually departs at around 5:20 AM, operated by Delta and United Airlines. An early departure like this allows you to arrive in Sioux City with ample time to start your day. This service is seasonal and active in September. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search. ### What are the most popular departure times for flights from Eugene, OR (EUG) to Sioux City, IA (SUX-Sioux Gateway)? The most popular departure times for flights from Eugene (EUG) to Sioux City (SUX) are in the early morning, from 6am to 9am. About 77% of passengers prefer this time window. Many major carriers, including United Airlines and Alaska Airlines, offer flights during this window. This timing is favored as it allows travelers to arrive early in the day, making the most of their time in Sioux City. ### How long does it take to fly from Eugene, OR (EUG) to Sioux City, IA (SUX-Sioux Gateway)? Flying from EUG to SUX with a connection usually takes about 11 hours 20 minutes, traveling roughly 1,349 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 Eugene, OR (EUG) to Sioux City, IA (SUX-Sioux Gateway)? Select the "Business class" and "First class" filters when looking for EUG to SUX 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 Eugene, OR (EUG) to Sioux City, IA (SUX-Sioux Gateway) flight with Expedia? It's easy to earn miles on a Eugene, OR (EUG) to Sioux City, IA (SUX-Sioux Gateway) 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 Sioux City from Mahlon Sweet Field (EUG)? From Mahlon Sweet Field (EUG), you can fly typically into Sioux Gateway (SUX) to reach Sioux City. Some flights may connect through major hubs like San Francisco Intl. (SFO), Salt Lake City Intl. (SLC), Seattle - Tacoma Intl. (SEA) before reaching Sioux City. 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 Eugene, OR (EUG) to Sioux City, IA (SUX-Sioux Gateway) at the last minute? Typically, booking a last minute flight from Eugene, OR (EUG) to Sioux City, IA (SUX-Sioux Gateway) 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 Eugene, OR (EUG) to Sioux City, IA (SUX-Sioux Gateway) flight and hotel package? Securing a Eugene, OR (EUG) to Sioux City, IA (SUX-Sioux Gateway) 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 Eugene, OR (EUG) to Sioux City, IA (SUX-Sioux Gateway)? If you booked your Eugene, OR (EUG) to Sioux City, IA (SUX-Sioux Gateway) 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 | Mahlon Sweet Field Airport | | ------------------- | -------------------------- | | Destination airport | Sioux City, IA | | Distance | 1,349 miles away | | Roundtrip price | $673 | ## Explore a world of travel with Expedia - [Flights](?equalTargetTab=tab-0) - [Flights from Cedar Rapids (CID) to Sioux City (SUX)](https://www.expedia.com/lp/flights/cid/sux/cedar-rapids-to-sioux-city) - [Flights from Cincinnati (CVG) to Sioux City (SUX)](https://www.expedia.com/lp/flights/cvg/sux/cincinnati-to-sioux-city) - [Flights from Tucson (TUS) to Sioux City (SUX)](https://www.expedia.com/lp/flights/tus/sux/tucson-to-sioux-city) - [Flights from Colorado Springs (COS) to Sioux City (SUX)](https://www.expedia.com/lp/flights/cos/sux/colorado-springs-to-sioux-city) - [Flights from Syracuse (SYR) to Sioux City (SUX)](https://www.expedia.com/lp/flights/syr/sux/syracuse-to-sioux-city) - 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