Cheap Flights from Washington D.C. to San Diego
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Flights from Washington D.C. to San Diego
Airlines Flying from Washington D.C. to San Diego
Compare prices, find the option that best suits your travel needs, and enjoy a comfortable journey with a trusted airline.
Flight deals from Washington D.C. to San Diego
We've found these cheap flights for you. You can book one-way or return flight tickets.
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Round-trip
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One way
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Cheapest nonstop
DCA 08:595h 21mDirectSAN 11:20Washington D.C. - San Diego | Tue, Jun 17 | Alaska Airlines
SAN 10:485h 11mDirectIAD 18:59San Diego - Washington D.C. | Tue, Jun 24 | Hawaiian Airlines£191 £23820% OFF20% OFF£238 £191 -
DCA 08:595h 21mDirectSAN 11:20Washington D.C. - San Diego | Sun, Aug 10 | Hawaiian Airlines
SAN 10:485h 11mDirectIAD 18:59San Diego - Washington D.C. | Tue, Aug 12 | Hawaiian Airlines£197 £23817% OFF17% OFF£238 £197 -
IAD 07:3013h 36m1 stopsSAN 18:06Washington D.C. - San Diego | Sat, Jun 14 | Frontier Airlines
SAN 12:5914h 31m1 stopsIAD 06:30San Diego - Washington D.C. | Sun, Jun 15 | Frontier Airlines£140 £23841% OFF41% OFF£238 £140 -
DCA 07:0029h 52m1 stopsSAN 09:52Washington D.C. - San Diego | Sun, Jun 22 | Frontier Airlines
SAN 14:3013h1 stopsIAD 06:30San Diego - Washington D.C. | Sat, Jun 28 | Spirit Airlines£15336% OFF£238 £153
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IAD 07:3013h 46m1 stopsSAN 18:16Washington D.C. - San Diego | Fri, Jun 13 | Frontier Airlines
SAN 12:5914h 31m1 stopsIAD 06:30San Diego - Washington D.C. | Sun, Jun 15 | Frontier Airlines£15635% OFF£238 £156
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DCA 08:595h 21mDirectSAN 11:20Washington D.C. - San Diego | Tue, Jun 17 | Hawaiian Airlines
SAN 19:068h 24m1 stopsIAD 06:30San Diego - Washington D.C. | Tue, Jun 24 | Frontier Airlines£16033% OFF£238 £160
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DCA 07:0019h 55m1 stopsSAN 23:55Washington D.C. - San Diego | Mon, Jun 23 | Frontier Airlines
SAN 19:068h 24m1 stopsIAD 06:30San Diego - Washington D.C. | Tue, Jul 1 | Frontier Airlines£16132% OFF£238 £161
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DCA 07:0019h 52m1 stopsSAN 23:52Washington D.C. - San Diego | Sun, Aug 10 | Frontier Airlines
SAN 06:2526h 39m1 stopsDCA 12:04San Diego - Washington D.C. | Wed, Aug 13 | Frontier Airlines£17128% OFF£238 £171
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DCA 18:0018h 52m1 stopsSAN 09:52Washington D.C. - San Diego | Sun, Jun 29 | Frontier Airlines
SAN 19:068h 24m1 stopsIAD 06:30San Diego - Washington D.C. | Tue, Jul 1 | Frontier Airlines£17228% OFF£238 £172
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IAD 07:3013h 25m1 stopsSAN 17:55Washington D.C. - San Diego | Wed, Jul 9 | Frontier Airlines
SAN 10:5016h 44m1 stopsIAD 06:34San Diego - Washington D.C. | Sat, Jul 12 | Spirit Airlines£17825% OFF£238 £178
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IAD 07:3013h 36m1 stopsSAN 18:06Washington D.C. - San Diego | Thu, Jun 26 | Frontier Airlines
SAN 12:5914h 31m1 stopsIAD 06:30San Diego - Washington D.C. | Thu, Jul 3 | Frontier Airlines£18124% OFF£238 £181
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IAD 07:3013h 36m1 stopsSAN 18:06Washington D.C. - San Diego | Wed, Jun 25 | Frontier Airlines
SAN 18:518h 39m1 stopsIAD 06:30San Diego - Washington D.C. | Wed, Jul 2 | Frontier Airlines£18224% OFF£238 £182
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WAS 13:0017h 25m1 stopsSAN Invalid DateWashington D.C. - San Diego | Sat, Jun 14 | Normal Airline
SAN 15:006hDirectWAS 16:00San Diego - Washington D.C. | Mon, Jun 16 | Normal AirlineFind More FlightsFind More Flights
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Cheapest nonstop
DCA 08:595h 21mDirectSAN 11:20Washington D.C. - San Diego | Tue, Jun 17 | Alaska Airlines£88 £25966% OFF66% OFF£259 £88
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DCA 08:595h 21mDirectSAN 11:20Washington D.C. - San Diego | Tue, Jun 17 | Hawaiian Airlines£88 £25966% OFF66% OFF£259 £88
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DCA 18:008h 52m1 stopsSAN 23:52Washington D.C. - San Diego | Fri, Aug 1 | Frontier Airlines£54 £25979% OFF79% OFF£259 £54
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DCA 09:0017h 29m1 stopsSAN 23:29Washington D.C. - San Diego | Sat, Jul 5 | American Airlines£7970% OFF£259 £79 -
IAD 07:3013h 56m1 stopsSAN 18:26Washington D.C. - San Diego | Wed, Jul 2 | Frontier Airlines£8069% OFF£259 £80
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IAD 07:3013h 36m1 stopsSAN 18:06Washington D.C. - San Diego | Sat, Jun 21 | Frontier Airlines£8169% OFF£259 £81
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IAD 07:3013h 46m1 stopsSAN 18:16Washington D.C. - San Diego | Fri, Jun 20 | Frontier Airlines£8567% OFF£259 £85
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DCA 06:0014h 55m1 stopsSAN 17:55Washington D.C. - San Diego | Sat, Jul 19 | Southwest Airlines£8766% OFF£259 £87 -
IAD 07:308h 47m1 stopsSAN 13:17Washington D.C. - San Diego | Sat, Jul 5 | Frontier Airlines£8866% OFF£259 £88
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IAD 07:3013h 36m1 stopsSAN 18:06Washington D.C. - San Diego | Thu, Jun 12 | Frontier Airlines£21517% OFF£259 £215
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WAS 13:0017h 25m1 stopsSAN Invalid DateWashington D.C. - San Diego | Sat, Jun 14 | 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 Information from Washington D.C. to San Diego
| Cheapest one-way flight price | £53 |
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| Cheapest return ticket price | £159 |
| Off-season travel month | April |
| Peak season for travel | June |
| Flight distance | 3,654.5km |
| Average flight time | 6 hours 12 minutes |
| Popular airline | Alaska Airlines |
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Displayed prices are calculated based on the cheapest average weekly prices of the corresponding route on Trip.com.
FAQ
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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 date and time of your booking. By analyzing data from all airlines, on Trip.com, you can find the cheapest flight prices on Tuesdays, Wednesdays, and Saturdays. -
How much are flights from Washington D.C. (WAS) to San Diego (SAN) cost?
According to Trip.com's data, the lowest price is around £281. -
How long is the flight from Washington D.C. (WAS) to San Diego (SAN)?
It takes about 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 many airports in San Diego (SAN)?
There are 3 airport(s) in San Diego (SAN): McClellan-Palomar Airport, Marine Corps Air Station Miramar and San Diego International Airport.
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 flight from Washington D.C. to San Diego.
Simply tap "Date" on the flight search bar to browse through the calendar and check out airfare from Washington D.C. to San Diego over the next 6 months in 2025. If you're planning to fly within the next three months, it looks like the most affordable option is on Tue, Jun 17, with one-way flights priced at just £88.
Compare cheap flight deals from Washington D.C. to San Diego across hundreds of airlines.
With our extensive search, you can compare prices from over 500 airlines to find the cheapest flight tickets from Washington D.C. to San Diego. The cheapest airline for this route is Alaska Airlines.
Set up a Price Alert
By setting up a Price Alert for your journey from Washington D.C. to San Diego, you can easily keep an eye on ticket prices without having to check every day.
Don't miss out on cheap flight deals and promo codes from Washington D.C. to San Diego.
You can always find the latest offers through Trip.com Deals and Promo Codes for cheap flights. By signing up for a free membership, you'll get access to even more deals for your flights.
Book early or wait until the last minute.
It's usually best to book early. Flight tickets are often cheapest when they're first released, typically about a year before the departure date. So, have a look online as soon as the flights you're interested in become available. If you miss the cheapest time, you might still find some good deals as the departure date gets closer.
Search for flights on the go.
For the best travel flight booking experience, download the Trip.com app. You can search for cheap flights from Washington D.C. to San Diego and snag some exclusive deals just for you.
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