$169 Cheap American Airlines flights Seattle (SEA) to Guadalajara (GDL)

Apply the “Price (lowest to highest)” filter on Expedia to search for cheap American Airlines round-trip flights from $357 from SEA to GDL. Affordable one-way options from $169 are also on offer.**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.

September is one of the most affordable months to travel to Guadalajara with American Airlines. You could also find excellent prices on return and one-way fares in January.

Landing the best American Airlines deals from SEA to GDL often comes down to timing. You can save 17% on international flights when you book 18 to 29 days before takeoff instead of four to five months ahead. What’s more, you can pocket 17% on average by buying your tickets on a Sunday rather than a Friday, which is usually the most expensive day to book.* It’s a good idea to start checking out flights about one month before your travel dates.*Ideal booking window recommendation is based on average round-trip ticket prices for January through November for 2024. Best day of the week to book recommendation is based on average round-trip ticket prices for January through October 2024. All data sourced from ARC’s global airline sales database.

To figure out if there’s a direct trip from SEA to GDL with American Airlines or any other carriers, check the “Nonstop” filter when browsing for flights.

Sort your results by “Morning” and “Early Morning” to browse the earliest departures from SEA to GDL. Taking off early means you’re less likely to experience cancellations.**Most reliable time of the day recommendation is based on January through August 2024 flight status data sourced from OAG’s global flight data platform.

Get on an American Airlines flight from Seattle - Tacoma Intl. Airport (SEA) to Guadalajara, and you’re most likely to land at Don Miguel Hidalgo y Costilla Intl. Airport (GDL). This is the airline’s main hub in this city.

Changes are often free within 24 hours of booking, but your airline may charge you after that time. For further details about altering your reservation, head to your “Trips,” select your flight and click on “Manage Booking.” If you want the flexibility to update your itinerary without additional costs, tick the “No cancel fee” or “Changes included” filter when organizing your next trip.