Title: CA $295 Cheap American Airlines fights from Seattle to Harlingen - Expedia.ca ![Default HTG hotel image](https://a.travel-assets.com/travel-assets-manager/32a5a1b7-682e-4c22-a8ab-4b736795e0ea/expedia_fallback.webp?impolicy=fcrop&w=1200&h=500&q=medium) ![](https://a.travel-assets.com/travel-assets-manager/32a5a1b7-682e-4c22-a8ab-4b736795e0ea/expedia_fallback.webp?impolicy=fcrop&w=1200&h=500&q=medium) # CA $295 Cheap American Airlines fights from Seattle (SEA) to Harlingen (HRL) [View CA $295 flight on Sat, Oct 25, 2025](https://expedia.ca/Flights-Search?trip=oneway&leg1=from:SEA,to:HRL,departure:25/10/2025TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:294.20&airProductToken=AQpoCjIIwYIBEgQxNjY3GJIBIKOxASjUpvsCMMCo-wI4QkAAWAFqBUJBU0lDcghTN0FIWk5CWAoyCMGCARIEMzgxNhijsQEgp1wo8an7AjDJqvsCOEJAAVgBagVCQVNJQ3IIUzdBSFpOQlgSCggBEAEYASoCQUEYASIECAEQASgCKAMoBDAL) - [Roundtrip](?flightType=roundtrip) - [One-way](?flightType=oneway) - [Multi-city](?flightType=multicity) ### Travellers Adults ChildrenAges 2 to 17 InfantsYounger than 2 EconomyPremium economyBusiness classFirst class Leaving from Going to Departing Returning Add a place to stay Add a car Direct flights only ![notification illustration](https://a.travel-assets.com/travel-assets-manager/pictogram-bex/light__notification.svg) ### Be in the know Get alerts if flight prices drop or rise\* ![deals illustration](https://a.travel-assets.com/travel-assets-manager/pictogram-bex/light__deals.svg) ### Book smarter Save up to 30% on select hotels after you book a flight\* ![trophy illustration](https://a.travel-assets.com/travel-assets-manager/pictogram-bex/light__trophy.svg) ### Earn twice Earn your airline miles on top of our rewards [Sign in](https://www.expedia.ca/login) ## American Airlines flights from Seattle to Harlingen (SEA→HRL) Prices were available within the past 7 days and start at CA $295 for one-way flights and for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply. All deals One way Roundtrip Flight from Seattle to Harlingen (SEA - HRL) route information | Origin airport | Seattle - Tacoma Intl. | | --- | --- | | Destination airport | Valley Intl. | | Distance | 3175 km | ## Frequently asked questions ### How much is an American Airlines flight from Seattle - Tacoma Intl. Airport (SEA) to Valley Intl. Airport (HRL)? > Use the "Price (lowest to highest)" filter on Expedia to look for cheap American Airlines return flights from SEA to HRL. Affordable one-way options from CA $295 are also available.\**\*These prices were available on Expedia within the past 7 days, for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.* ### What is the cheapest month to fly from SEA to HRL with American Airlines? > Look for round-trip or one-way flights to Harlingen in January or September. You could find an affordable fare with American Airlines during these quieter months. ### Does American Airlines fly nonstop from Seattle - Tacoma Intl. Airport (SEA) to Valley Intl. Airport (HRL)? > Enter your dates, click search and tick the "Nonstop" filter on Expedia to browse any direct flights from SEA to HRL with American Airlines or other carriers. ### What airports does American Airlines fly into in Harlingen? > Valley Intl. Airport (HRL) is the primary Harlingen hub for American Airlines flights from Seattle - Tacoma Intl. Airport (SEA). ### Can I change or cancel my American Airlines flight from Seattle - Tacoma Intl. Airport (SEA) to Valley Intl. Airport (HRL)? > Depending on your fare type, a fee will generally apply if you cancel or reschedule your flight more than 24 hours after it has been confirmed. To secure tickets with more flexibility, select our "Changes included" or "No cancel fee" filter while looking for flights. 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