Cheap Alaska Airlines flights Washington (IAD) to Los Angeles (LAX)

Make use of the “Price (lowest to highest)” filter on Expedia to search for cheap Alaska Airlines round-trip flights from $188 from IAD to LAX. Affordable one-way options 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.

January is one of the most affordable months to get away to Los Angeles with Alaska Airlines. You could also find excellent prices on return and one-way fares in February.

Begin your search one to three months ahead of your departure date to score cheap fares on Alaska Airlines flights from Washington Dulles Intl. Airport (IAD) to Los Angeles Intl. Airport (LAX). You can save 25% by booking your domestic flight 34 to 86 days in advance versus last-minute reservations made 6 to 12 days out. You could also cut costs by buying your fare on a Sunday, as it’s 6% cheaper on average than a Monday, the most expensive day to book.* Get your timing spot on, and you can enjoy significant savings on domestic journeys.*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.

Simply enter your dates, click search and select the “Nonstop” filter on Expedia to browse any direct flights from IAD to LAX with Alaska Airlines or another carrier.

To find the earliest departure from IAD to LAX with Alaska Airlines, filter your search by “Early Morning” and “Morning.” Choosing an early flight generally 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.

Jump on an Alaska Airlines flight from Washington Dulles Intl. Airport (IAD) to Los Angeles, and you’re most likely to touch down at Los Angeles Intl. Airport (LAX). This is the airline’s main hub here.

With an excellent in-flight experience and top-tier customer service, Alaska Airlines is a top choice for many passengers flying from IAD to LAX. Plus, if you’re a Mileage Plan and One Key™ member booking with Expedia, you could earn OneKeyCash™* on eligible flights on top of your airline miles, which you can put toward future getaways.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.

Changes are typically free within 24 hours of making a booking, but your airline may charge a fee after that time. For more details about altering your reservation, go to your “Trips,” select your flight and click on “Manage Booking.” If you’d like the flexibility to adjust your plans without additional charges, apply the “Changes included” and “No cancel fee” filters when planning your next getaway.