Alaska Airlines Flight 537 Deals & Information (2025/2026)

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Alaska Airlines Flight 537 Route Deals From $109

The cheapest prices found with in the last 7 days for return flights were and $109 for one-way flights to Seattle - Tacoma Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Frequently asked questions

What route does flight number AS537 take?
You’ll be landing at Ontario, CA Airport (ONT-Los Angeles - Ontario Intl.) from SEA if you’re traveling on flight number AS537. You’ll be in the sky for 2 hours and 30 minutes during this trip. What’s more, the flight conveniently operates non-stop.
What kind of plane is on flight number AS537?
The Boeing 737-900 is the aircraft model most frequently used for flight AS537. This flight almost always heads off from SEA and touches down at Ontario, CA Airport (ONT-Los Angeles - Ontario Intl.).
If I am not able to travel due to COVID-19, can I change my flight to a later date?
For more info about changing your AS537 flight with Travelocity, please visit our Customer Service Portal.