Flights from San Diego to Washington

Flight deals from San Diego to Washington

Looking for cheap tickets from San Diego to Washington, or a last-minute trip? Find the lowest prices on one-way and return tickets right here.

Flying from San Diego to Washington

Arm yourself with these facts on the fly.
Cheapest flight found$218, Seattle
Cheapest month to flySeptember
Average flight time3 hrs, 2 mins
Cheapest airport to fly fromSan Diego International
Most popular airlineAlaska Airlines

Frequently asked questions

We looked at all of the upcoming return flights from San Diego to Washington we could find over the next 12 months. It looks like $218 is the best price. This is good, compared to the average Washington ticket price of $427.
The cheapest month to fly from San Diego to Spokane International Airport is usually September. The cheapest month to fly from San Diego to Seattle / Tacoma International Airport is usually September. The cheapest month to fly from San Diego to Pullman Airport is usually October. And the cheapest month to fly from San Diego to Walla Walla Airport is usually August.
After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from San Diego to Washington on Sunday, 28 September 2025.
San Diego International Airport offers direct flights to Washington.
If you're flying from San Diego, the cheapest city in Washington to fly into is Seattle. The cheapest airport serving Seattle at the moment is Seattle / Tacoma International.
The average flight time between San Diego and Washington is 3 hours and 2 minutes.