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Cheap flights from Washington, D.C. to San Diego

Compare Washington, D.C. to San Diego flight deals

Find the cheapest month or even day of the year to fly to San Diego

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Flight deals from Washington, D.C. to San Diego

Looking for a cheap last-minute deal or the best round-trip flight from Washington, D.C. to San Diego? Find the lowest prices on one-way and round-trip tickets right here.
San Diego.C$142 per passenger.Departing Tue, Jun 4, returning Tue, Jun 11.Round-trip flight with Spirit Airlines.Outbound indirect flight with Spirit Airlines, departing from Baltimore Washington International on Tue, Jun 4, arriving in San Diego International.Inbound indirect flight with Spirit Airlines, departing from San Diego International on Tue, Jun 11, arriving in Baltimore Washington International.Price includes taxes and charges.From C$142, select.
San Diego.C$198 per passenger.Departing Sun, May 19, returning Sat, Jun 1.Round-trip flight with Spirit Airlines.Outbound indirect flight with Spirit Airlines, departing from Baltimore Washington International on Sun, May 19, arriving in San Diego International.Inbound indirect flight with Spirit Airlines, departing from San Diego International on Sat, Jun 1, arriving in Baltimore Washington International.Price includes taxes and charges.From C$198, select.
San Diego.C$203 per passenger.Departing Tue, Jun 4, returning Tue, Jun 11.Round-trip flight with Spirit Airlines.Outbound direct flight with Spirit Airlines departing from Baltimore Washington International on Tue, Jun 4, arriving in San Diego International.Inbound direct flight with Spirit Airlines departing from San Diego International on Tue, Jun 11, arriving in Baltimore Washington International.Price includes taxes and charges.From C$203, select.
San Diego.C$203 per passenger.Departing Sat, May 25, returning Mon, May 27.Round-trip flight with Spirit Airlines.Outbound indirect flight with Spirit Airlines, departing from Baltimore Washington International on Sat, May 25, arriving in San Diego International.Inbound indirect flight with Spirit Airlines, departing from San Diego International on Mon, May 27, arriving in Baltimore Washington International.Price includes taxes and charges.From C$203, select.
San Diego.C$210 per passenger.Departing Sun, May 26, returning Tue, Jun 4.Round-trip flight with Spirit Airlines.Outbound direct flight with Spirit Airlines departing from Baltimore Washington International on Sun, May 26, arriving in San Diego International.Inbound direct flight with Spirit Airlines departing from San Diego International on Tue, Jun 4, arriving in Baltimore Washington International.Price includes taxes and charges.From C$210, select.
San Diego.C$224 per passenger.Departing Sat, May 25, returning Mon, May 27.Round-trip flight with Spirit Airlines.Outbound direct flight with Spirit Airlines departing from Baltimore Washington International on Sat, May 25, arriving in San Diego International.Inbound direct flight with Spirit Airlines departing from San Diego International on Mon, May 27, arriving in Baltimore Washington International.Price includes taxes and charges.From C$224, select.
San Diego.C$271 per passenger.Departing Sun, Jul 21, returning Sat, Aug 24.Round-trip flight with Spirit Airlines.Outbound direct flight with Spirit Airlines departing from Baltimore Washington International on Sun, Jul 21, arriving in San Diego International.Inbound direct flight with Spirit Airlines departing from San Diego International on Sat, Aug 24, arriving in Baltimore Washington International.Price includes taxes and charges.From C$271, select.
San Diego.C$318 per passenger.Departing Sun, Jul 14, returning Fri, Jul 19.Round-trip flight with Spirit Airlines.Outbound direct flight with Spirit Airlines departing from Baltimore Washington International on Sun, Jul 14, arriving in San Diego International.Inbound direct flight with Spirit Airlines departing from San Diego International on Fri, Jul 19, arriving in Baltimore Washington International.Price includes taxes and charges.From C$318, select.

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Find the cheapest month to fly from Washington, D.C. to San Diego

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Washington, D.C. to San Diego flights are currently cheapest in June.
May
from C$203
Jun
from C$142
Jul
from C$318
Aug
from C$357
Sep
from C$395
Oct
Find prices
Nov
from C$464
Dec
from C$513
Jan
Find prices
Feb
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Mar
from C$534
Apr
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Direct flights from Washington, D.C. to San Diego

Alternative Washington, D.C. to San Diego routes

Looking for the cheapest, fastest or easiest route from Washington, D.C. to San Diego? You could fly into the following airports instead.

Washington, D.C. to San Diego: Flight information

The things to know before you go.
Cheapest flight foundC$142
Cheapest month to flyJune
Average flight time5 hrs, 25 mins
Most popular airlineSouthwest Airlines
Average flights per week702

Finding cheap flights from Washington, D.C. to San Diego: Frequently asked questions

There are 3 airports in San Diego: San Diego International, El Cajon and McClellan – Palomar.
The best price we found for a round-trip flight from Washington, D.C. to San Diego is C$141. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
5 hours and 25 minutes is the average flight time from Washington, D.C. to San Diego.
Southwest Airlines, United and Qatar Airways fly direct from Washington, D.C. to San Diego.
There are 78 flights per week flying from Washington, D.C. to San Diego, as of May 2024.
The cheapest month to fly from Washington, D.C. to San Diego is usually June.
If you're flying from Washington, D.C., the cheapest airport near San Diego is San Diego International – which is 4.1 km away from the center of San Diego. We've found flights to this airport from C$141.
After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from Washington, D.C. to San Diego on Tuesday, June 4, 2024.
Yes – the average flight time is 5 hours and 25 minutes.
We crunched all the numbers in our flight calendar, and it looks like the cheapest time to book a flight to San Diego is around 40 days in advance, so don’t leave your flight to the last minute.
In May, the average temperature is usually around 17°C. August is typically the warmest month in San Diego, when it usually averages around 28°C. You can expect the least rain in June. The coldest month is December, with temperatures averaging 10°C. The rainiest month is February.
The cheapest airline that flies to San Diego is Spirit Airlines.

Thinking of leaving the sophisticated Washington, DC for California's dazzling San Diego? Get ready for a breezy, 5-hour flight across the USA. With 45 direct flights offered per week, you'll find that the toughest thing about planning a trip between these two cities is having too many options! Washington, alone, is served by three major international airports, all offering non-stop trips into California.

Skyscanner is here to help you out. Keep reading below to learn about Washington and San Diego's airports and the travelling itineraries they provide. Once you've chosen your route, use Price Alerts and Cheapest Month tools to find the cheapest flights to San Diego from Washington. For Skyscanner users, who prefer to make bookings through their cellphone or tablet, don't forget to download our free travel app.

Airlines That Offer this Trip

There are four American airlines offering direct flights between Washington, DC and San Diego, California:

      
  • Alaska Airlines
    •   
  • Southwest Airlines
    •   
  • Spirit Airlines
    •   
  • United Airlines

Airports in Washington, DC

Baltimore-Washington International Airport (BWI)

Arguably, the best Washington airport for travelling to San Diego is Baltimore-Washington International Airport (BWI). This huge international airport offers non-stop San Diego trips with Alaska Airlines, Southwest Airlines, and Spirit Airlines. Concourses A, B, and C all host Southwest Airlines flights, while Concourse D is home to Alaska Airlines and Spirit Airlines.

The only downside? At 51 km away in Maryland, Baltimore-Washington International Airport is a bit of a drive from Downtown Washington. Public transportation isn't a feasible option for most travellers, so thy usually opt to drive to BWI from their hotel.

Washington Dulles International Airport (IAD)

Washington Dulles International Airport (IAD) is another major airport providing flights to California. United Airlines hosts all of the non-stop trips to San Diego from IAD, and flies out of the main terminal's Concourses C and D. Located in Fairfax, Virginia, this airport serves the Baltimore-Washington metropolitan area, and at 42 km away from Downtown Washington, its location is slightly more central than the Baltimore-Washington International Airport (BWI).

Ronald Reagan Washington National Airport (DCA)

Ronald Reagan Washington National Airport (DCA) doesn't offer any direct flights into San Diego. However, this spacious airport provides non-stop trips to nearby Californian cities, like Los Angeles and San Francisco. Serving most of America's biggest airlines, DCA certainly has its perks, such as its prime location 5 km from Downtown Washington and an extensive domestic flight schedule.

Airports in San Diego, California

San Diego International Airport (SAN)

The only San Diego airport that hosts flights from Washington is San Diego International Airport (SAN), situated 5 km away from the city's downtown core. A spacious, two-terminal airport, SAN offers easy transportation methods for reaching your San Diego hotel accommodations. While there are plenty of taxis parked outside the Arrivals gate, travellers can also take the Metropolitan Transit System bus routes 923 or 992, or board the airport trolley towards Middletown Station, whose Green Line trolleys do run downtown. If you prefer to rent a car, Skyscanner's car hire listing directory can help.


Plan the rest of your trip from Washington, D.C. to San Diego

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.