Your next trip, last seen at €119
Frontier Airlines · 2 stops · One wayWhen to fly
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The lowest fare we observed for each month. Open a month to see its days, then pick your outbound and return. A day with no price is one we will search for you.
Short answer
We have seen United Airlines fares from San Diego to Washington, non-stop. October 2026 is the cheapest month in our observations, at €237. These are prices our searches returned on the dates shown, not quotes; run a live search for today's fare.
Short answer
We have seen United Airlines fares from San Diego to Washington, non-stop. October 2026 is the cheapest month in our observations, at €237. These are prices our searches returned on the dates shown, not quotes; run a live search for today's fare.
About this route
Explore the fares we observed from San Diego to Washington. Prices move often, so pick your dates to see the latest options.
- Route distance
- 3,653 km
- Reported fastest flight
- 4h 42m
- Airlines seen
- United Airlines, Alaska Airlines, Frontier Airlines
- Alternative airports
- CLD, DCA
Route-level information; individual journeys vary.
Published schedules report non-stop service with United Airlines. Check current timetables.
A clearer picture of your fare
Frequently asked
When is the cheapest month to fly from San Diego to Washington?
In our observations October 2026 is the cheapest month so far, at €237.
Are there direct flights from San Diego to Washington?
Yes. We have seen non-stop flights on this route, flown by United Airlines.
Which airlines fly from San Diego to Washington?
These are the carriers we have seen on the route: United Airlines, Alaska Airlines, Frontier Airlines.
How long does the flight from San Diego to Washington take?
The average journey time across the 69 fares we observed is 10h 27m, including any stops. Individual departures vary; the fastest observed flight is listed in the route facts above.
How many of the observed San Diego to Washington fares were non-stop?
12 of the 70 fares we observed were non-stop; the rest included at least one stop. That describes our observations, not every flight that operates.
How observed prices work, what "No data" means and what a fare includes: Read the flight price guide
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Recently observed fares. Prices may change.
Last checked: 6 Oct 2026