Cheap Alaska Airlines flights San Diego (SAN) to Washington (IAD)

Grab affordable return Alaska Airlines flights from SAN to IAD by sorting your results from “Price (lowest to highest)” on Expedia. Or look for options for a one-way journey.**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 least expensive months to get away to Washington with Alaska Airlines. You could also find great deals on one-way and round-trip tickets in February.

Begin your search one to three months ahead of your travel date to score cheap fares on Alaska Airlines flights from San Diego Intl. Airport (SAN) to Washington Dulles Intl. Airport (IAD). 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 reduce costs by buying your fare on a Sunday, as it’s 6% cheaper on average than a Monday, the most expensive day to book.* Nail your timing, and you can enjoy significant savings on domestic flights.*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.

Yes, you can fly from San Diego Intl. Airport (SAN) to Washington Dulles Intl. Airport (IAD) on any of Alaska Airlines’s 7 direct weekly flights. Use our “Nonstop” and “Airline” filters to find the Alaska Airlines flight that’ll arrive at IAD at a time that suits you.

Take off from San Diego Intl. Airport (SAN) for Washington Dulles Intl. Airport (IAD) on a direct Alaska Airlines flight, and you’ll be in the air for around 4h 53m.

The first Alaska Airlines flight from SAN to IAD departs at 8:30AM UTC-8, landing at 4:23PM UTC-5. If you want to jet off later, the last Alaska Airlines flight leaves SAN at 8:30AM UTC-8 and lands at IAD at 4:23PM UTC-5. Flying early is generally a good idea as morning and mid-morning flights are less likely to be canceled.**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.

Alaska Airlines flights from San Diego Intl. Airport (SAN) to Washington arrive at Washington Dulles Intl. Airport (IAD) and Baltimore Washington Intl. Thurgood Marshall Airport (BWI). The main Washington hub served by this carrier is IAD. It’s always worth considering flights landing at nearby airports on Expedia as they may offer lower fares.

Offering top-tier customer service and a rewarding loyalty program, Alaska Airlines is a top choice for many travelers heading from SAN to IAD. 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 can be spent on future getaways.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.

Catch an Alaska Airlines flight from San Diego Intl. Airport (SAN) to Washington Dulles Intl. Airport (IAD), and you’ll probably board a Boeing 737-900. Keep in mind though, that the aircraft type can change due to operational requirements.

Depending on the type of ticket you purchased, a fee generally applies if you change or cancel your flight more than 24 hours after it has been confirmed. To find flexible fares, select our “No cancel fee” or “Changes included” filter when you search for flights. To learn more about canceling or changing your reservation, go to “Trips,” select your flight and tick “Manage Booking.”