Flights from San Diego to Washington

Flight deals from San Diego to Washington

Looking for a cheap last-minute deal or the best return flight from San Diego to Washington? If you want to travel next month, return fares start from $231. 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$191
Cheapest month to flyJune
Average flight time3 hrs
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 $191 is the best price. This is good, compared to the average Washington ticket price of $352.
The cheapest month to fly from San Diego to Pasco Airport is usually July. The cheapest month to fly from San Diego to Seattle / Tacoma International Airport is usually May. The cheapest month to fly from San Diego to Bellingham Airport is usually May. And the cheapest month to fly from San Diego to Spokane International Airport is usually June.
After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from San Diego to Washington on Monday, 8 June 2026.
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 Spokane. The cheapest airport serving Spokane at the moment is Spokane International.
The average flight time between San Diego and Washington is 3 hours.