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Flights from Washington D.C. to San Diego
Cheap flight deals from Washington D.C. to San Diego
We've found these cheap flights for you. You can book one-way or round-trip flight tickets.
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Round-trip
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One way
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Cheapest nonstopIAD 17:145h 34mNonstopSAN 19:48Washington D.C. - San Diego | Sat, Jun 7 | Alaska AirlinesSAN 13:005h 5mNonstopDCA 21:05San Diego - Washington D.C. | Tue, Jun 10 | Hawaiian Airlines€195 €54264% OFF64% OFF€542 €195
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DCA 09:595h 33mNonstopSAN 12:32Washington D.C. - San Diego | Sat, May 31 | Hawaiian AirlinesSAN 13:005h 5mNonstopDCA 21:05San Diego - Washington D.C. | Sat, Jun 7 | Alaska Airlines€203 €54263% OFF63% OFF€542 €203
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DCA 18:008h 55m1 stopsSAN 23:55Washington D.C. - San Diego | Sat, Jun 7 | Frontier AirlinesSAN 12:5214h 41m1 stopsIAD 06:33San Diego - Washington D.C. | Wed, Jun 11 | Frontier Airlines€160 €54271% OFF71% OFF€542 €160
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IAD 07:3013h 36m1 stopsSAN 18:06Washington D.C. - San Diego | Sat, Jun 14 | Frontier AirlinesSAN 12:5914h 31m1 stopsIAD 06:30San Diego - Washington D.C. | Sun, Jun 15 | Frontier Airlines€16869% OFF€542 €168
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IAD 07:257h 31m1 stopsSAN 11:56Washington D.C. - San Diego | Fri, May 30 | Frontier AirlinesSAN 06:3526h 25m1 stopsDCA 12:00San Diego - Washington D.C. | Wed, Jun 4 | Frontier Airlines€16869% OFF€542 €168
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IAD 07:257h 31m1 stopsSAN 11:56Washington D.C. - San Diego | Thu, May 29 | Frontier AirlinesSAN 06:3526h 25m1 stopsDCA 12:00San Diego - Washington D.C. | Wed, Jun 4 | Frontier Airlines€16869% OFF€542 €168
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DCA 18:008h 55m1 stopsSAN 23:55Washington D.C. - San Diego | Mon, Jun 2 | Frontier AirlinesSAN 06:257h 32m1 stopsDCA 16:57San Diego - Washington D.C. | Mon, Jun 9 | Frontier Airlines€17368% OFF€542 €173
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DCA 18:008h 55m1 stopsSAN 23:55Washington D.C. - San Diego | Fri, Jun 6 | Frontier AirlinesSAN 20:3722h 22m1 stopsDCA 21:59San Diego - Washington D.C. | Mon, Jun 9 | Frontier Airlines€17468% OFF€542 €174
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IAD 07:407h 15m1 stopsSAN 11:55Washington D.C. - San Diego | Thu, Jun 5 | Frontier AirlinesSAN 20:3712h 23m1 stopsDCA 12:00San Diego - Washington D.C. | Mon, Jun 9 | Frontier Airlines€17468% OFF€542 €174
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DCA 07:0018h 58m1 stopsSAN 22:58Washington D.C. - San Diego | Tue, Jun 3 | Frontier AirlinesSAN 20:3722h 22m1 stopsDCA 21:59San Diego - Washington D.C. | Mon, Jun 9 | Frontier Airlines€17568% OFF€542 €175
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DCA 18:008h 59m1 stopsSAN 23:59Washington D.C. - San Diego | Sat, May 31 | Frontier AirlinesSAN 10:578h 2m1 stopsDCA 21:59San Diego - Washington D.C. | Sat, Jun 7 | Frontier Airlines€24355% OFF€542 €243
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IAD 17:145h 34mNonstopSAN 19:48Washington D.C. - San Diego | Sat, Jun 7 | Hawaiian AirlinesSAN 06:2512h 34m1 stopsDCA 21:59San Diego - Washington D.C. | Tue, Jun 10 | Frontier Airlines€39028% OFF€542 €390
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WAS 13:0017h 25m1 stopsSAN Invalid DateWashington D.C. - San Diego | Sat, May 31 | Normal AirlineSAN 15:006hNonstopWAS 16:00San Diego - Washington D.C. | Mon, Jun 2 | Normal AirlineFind More FlightsFind More Flights
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Cheapest nonstopIAD 17:145h 34mNonstopSAN 19:48Washington D.C. - San Diego | Sat, May 31 | Alaska Airlines€349 €48928% OFF28% OFF€489 €349
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IAD 17:145h 34mNonstopSAN 19:48Washington D.C. - San Diego | Sat, May 31 | Hawaiian Airlines€352 €48928% OFF28% OFF€489 €352
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DCA 07:0029h 52m1 stopsSAN 09:52Washington D.C. - San Diego | Wed, Jun 11 | Frontier Airlines€83 €48983% OFF83% OFF€489 €83
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DCA 18:008h 59m1 stopsSAN 23:59Washington D.C. - San Diego | Fri, May 30 | Frontier Airlines€8483% OFF€489 €84
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DCA 07:0018h 58m1 stopsSAN 22:58Washington D.C. - San Diego | Tue, Jun 3 | Frontier Airlines€9082% OFF€489 €90
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IAD 07:257h 31m1 stopsSAN 11:56Washington D.C. - San Diego | Sat, May 31 | Frontier Airlines€12774% OFF€489 €127
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DCA 07:0019h 55m1 stopsSAN 23:55Washington D.C. - San Diego | Mon, Jun 2 | Frontier Airlines€13173% OFF€489 €131
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IAD 07:407h 15m1 stopsSAN 11:55Washington D.C. - San Diego | Thu, Jun 5 | Frontier Airlines€14371% OFF€489 €143
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DCA 18:008h 55m1 stopsSAN 23:55Washington D.C. - San Diego | Fri, Jun 6 | Frontier Airlines€15069% OFF€489 €150
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IAD 07:257h 31m1 stopsSAN 11:56Washington D.C. - San Diego | Thu, May 29 | Frontier Airlines€20259% OFF€489 €202
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WAS 13:0017h 25m1 stopsSAN Invalid DateWashington D.C. - San Diego | Sat, May 31 | Normal AirlineFind More FlightsFind More Flights
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Crossed out prices are calculated based on the average price of the corresponding route on Trip.com.
Flight Info | Washington D.C. to San Diego
Cheapest one-way flight price | €82 |
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Cheapest round-trip ticket price | €181 |
Off-season for travel | April |
Peak season for travel | June |
Flight distance | 3,654.5 km |
Average flight time | 6 hours 12 minutes |
Popular airline | Alaska Airlines |
When is the cheapest time to fly from Washington D.C. to San Diego?
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Displayed prices are calculated based on the cheapest average weekly prices of the corresponding route on Trip.com.
Frequently Asked Questions
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When are flight tickets from Washington D.C. (WAS) to San Diego (SAN) the cheapest?
Airlines adjust prices for flights from Washington D.C. to San Diego based on the departure date and time of your selection. By analyzing data from all airlines, we've discovered that on Trip.com, you can find the lowest flight prices on Tuesdays, Wednesdays, and Saturdays. -
How much do flights from Washington D.C. (WAS) to San Diego (SAN) cost?
According to Trip.com's data, the lowest price is around €337. -
How long does it take to fly from Washington D.C. (WAS) to San Diego (SAN) and what is the distance?
It takes around 6 hours 12 minutes to fly from Washington D.C. (WAS) to San Diego (SAN). -
What are the most popular airlines that fly from Washington D.C. (WAS) to San Diego (SAN)?
Airlines with flights from Washington D.C. (WAS) to San Diego (SAN): United Airlines, Qatar Airways, American Airlines, Brussels Airlines, Ethiopian Airlines, Austrian Airlines, Hawaiian Airlines, Alaska Airlines and Southwest Airlines.
How to find a cheap flight from Washington D.C. to San Diego
Wait until the last minute and flight costs are often sky-high. Plan ahead, book the right way, and your savings can soar. We have loads of saving tips to help you find a cheap flight from Washington D.C. to San Diego. Book your flights at the right time and save more.
Be flexible with your travel dates to get the cheapest Washington D.C. to San Diego ticket.
Tap "Date" in the flight search bar to browse the calendar and find airfare from Washington D.C. to San Diego for the next six months in 2025. If you're looking to fly within the next three months, the lowest fare is €349 for a one-way ticket on Sat, May 31.
Compare cheap Washington D.C. to San Diego flight deals from hundreds of airlines.
Our powerful search system compares prices from over 500 airlines. So you can find the cheapest flights from Washington D.C. to San Diego. The most affordable airline currently operating on this route is Alaska Airlines.
Set up a Price Alert to track fare drops.
Set up a Price Alert for your Washington D.C. to San Diego route to track ticket prices effortlessly—no need to check manually every day.
Don't miss out on cheap Washington D.C. to San Diego flight deals and promo codes.
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Book early or wait unitl the last minute to fine the best fares.
It's always better to book early! Airlines typically release their lowest fares about a year before departure, so check as soon as flights become available. If you miss that window, you may still find great deals closer to your travel date.
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For the best booking experience on the go, download Trip.com and search for cheap flights from Washington D.C. to San Diego to access exclusive deals just for you.
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