Washington to San Diego flights

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Airlines seen: United Airlines, Alaska Airlines, Frontier Airlines
Reported fastest flight: 5h 29m
Non-stop: Yes

Fare seen

€195Seen on 11 Sep 2026

Last checked

6 Oct 2026

Observed fares. Prices may change.

Your next trip, last seen at €99

Lowest observed

17 Oct 2026

Frontier Airlines · 1 stop · One way

Cheapest observed day · Last checked: 11 Sep 2026

Departure

06:00

When 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.

Prices are for observed departure and return date pairs. No data does not mean no flights.

Short answer

We have seen United Airlines fares from Washington to San Diego, non-stop. These are prices our searches returned on the dates shown, not quotes; run a live search for today's fare. Fare seen: €195 on 11 Sep 2026.

About this route

Explore the fares we observed from Washington to San Diego. Prices move often, so pick your dates to see the latest options.

Route distance: 3,653 km
Reported fastest flight: 5h 29m
Airlines seen: United Airlines, Alaska Airlines, Frontier Airlines
Alternative airports: DCA, CLD

Route-level information; individual journeys vary.
Published schedules report non-stop service with United Airlines. Check current timetables.

A clearer picture of your fare

Observed, not guaranteed

Every price is a fare we actually saw, and it may change at any time.

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How our prices work

Airport to city: straight-line distance

Ronald Reagan Washington National Airport (DCA) → Washington, city gazetteer reference point (38.8951, -77.0364): ≈ 5 km.
Washington Dulles International Airport (IAD) → Washington, city gazetteer reference point (38.8951, -77.0364): ≈ 37 km.
San Diego International Airport (SAN) → San Diego, city gazetteer reference point (32.7153, -117.1573): ≈ 4 km.
McClellan-Palomar Airport (CLD) → San Diego, city gazetteer reference point (32.7153, -117.1573): ≈ 47 km.

Approximate distances calculated from coordinates, not road distances or travel times. These airports serve the city; they are not confirmed endpoints of an offer.

Frequently asked

How much was a flight from Washington to San Diego?

A fare of €195 was seen on 11 Sep 2026. Fares change, so search your dates for the current price.

Are there direct flights from Washington to San Diego?

Yes. We have seen non-stop flights on this route, flown by United Airlines.

Which airlines fly from Washington to San Diego?

These are the carriers we have seen on the route: United Airlines, Alaska Airlines, Frontier Airlines.

How long does the flight from Washington to San Diego take?

The average journey time across the 69 fares we observed is 10h 20m, including any stops. Individual departures vary; the fastest observed flight is listed in the route facts above.

How many of the observed Washington to San Diego fares were non-stop?

14 of the 69 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