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Cheap flights from San Diego to Washington, D.C. from £107

SAN — WAS
25 Oct — 1 Nov1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from San Diego to Washington, D.C.

Enter your travel dates to find the best prices.

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

Wed 14/1022:30 -
1 stop9h 00m
Wed 21/1015:04 -
1 stop9h 20m
Deal found 24/9£210
Tue 3/1111:21 -
1 stop8h 47m
Tue 10/1117:31 -
1 stop8h 09m
Deal found 24/9£214
Sat 17/1006:15 -
1 stop7h 22m
Sat 24/1012:10 -
2 stops10h 58m
Deal found 22/9£218
Tue 13/1022:30 -
1 stop9h 00m
Wed 14/1015:04 -
1 stop9h 20m
Deal found 22/9£229
Thu 15/1022:30 -
1 stop9h 00m
Tue 27/1017:31 -
1 stop8h 09m
Deal found 23/9£233
Mon 26/1016:45 -
2 stops9h 58m
Wed 28/1006:00 -
1 stop7h 59m
Deal found 24/9£237
Sat 24/1012:04 -
1 stop7h 30m
Wed 28/1006:10 -
2 stops9h 46m
Deal found 22/9£238
Thu 15/1017:05 -
Nonstop5h 00m
Mon 19/1021:35 -
Nonstop5h 40m
Deal found 25/9£240
Sat 5/1206:45 -
2 stops11h 53m
Sat 12/1210:44 -
1 stop7h 28m
Deal found 21/9£243
Tue 27/1009:20 -
1 stop7h 55m
Tue 3/1118:20 -
Nonstop5h 35m
Deal found 23/9£244
Thu 22/1022:00 -
1 stop7h 55m
Tue 27/1010:21 -
1 stop9h 04m
Deal found 25/9£247
Sun 25/1022:30 -
1 stop8h 59m
Tue 27/1006:00 -
1 stop7h 59m
Deal found 23/9£249

Find flight deals from San Diego to Washington, D.C.

Round-trip from

£210

One-way from

£107

Popular in

June

Cheapest in

February

Average price

£299
United Airlines
  • United Airlines
  • 14/10-21/10
  • 2 total stops
  • 18h 20m total
  • San Diego to Washington, D.C.
Search Deals
United Airlines
  • United Airlines
  • 4/11-31/12
  • 1 total stop
  • 9h 22m total
  • San Diego to Washington, D.C.
Search Deals
Highest demand for flights based on searches. 5% potential increase in price (£12 potential increase over avg. return price).
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Cheapest flight prices on average. 1% potential price decrease (£4 potential savings vs. average return price).
Search Deals
Average for round-trip flights in September 2026
Search Deals

Cheapflights Fare Finder

 
Use the filters below to find and compare flights from San Diego to Washington, D.C. that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

San DiegoBaltimore

SAN San Diego - BWI Baltimore/Washington

SANBWI

San Diego

Thu 12/11

14:10-21:55

Nonstop4h 45m

Baltimore/Washington

Wed 31/12

00:00-21:00

Nonstop0h 00m

£120

San DiegoBaltimore

SAN San Diego - BWI Baltimore/Washington

SANBWI

San Diego

Thu 22/10

17:05-01:05

Nonstop5h 00m

Baltimore/Washington

Wed 31/12

00:00-21:00

Nonstop0h 00m

£120

San DiegoBaltimore

SAN San Diego - BWI Baltimore/Washington

SANBWI

San Diego

Thu 15/10

22:00-08:55

1 stop7h 55m

Baltimore/Washington

Wed 31/12

00:00-21:00

Nonstop0h 00m

£128

San DiegoBaltimore

SAN San Diego - BWI Baltimore/Washington

SANBWI

San Diego

Wed 23/12

14:23-00:48

1 stop7h 25m

Baltimore/Washington

Wed 31/12

00:00-21:00

Nonstop0h 00m

£128

San DiegoBaltimore

SAN San Diego - BWI Baltimore/Washington

SANBWI

San Diego

Thu 22/10

21:45-09:16

1 stop8h 31m

Baltimore/Washington

Wed 31/12

00:00-21:00

Nonstop0h 00m

£128

San DiegoBaltimore

SAN San Diego - BWI Baltimore/Washington

SANBWI

San Diego

Mon 19/10

22:40-08:25

1 stop6h 45m

Baltimore/Washington

Wed 31/12

00:00-21:00

Nonstop0h 00m

£128

San DiegoBaltimore

SAN San Diego - BWI Baltimore/Washington

SANBWI

San Diego

Mon 19/10

17:01-05:45

1 stop9h 44m

Baltimore/Washington

Wed 31/12

00:00-21:00

Nonstop0h 00m

£128

San DiegoBaltimore

SAN San Diego - BWI Baltimore/Washington

SANBWI

San Diego

Mon 14/12

13:19-01:07

1 stop8h 48m

Baltimore/Washington

Wed 31/12

00:00-21:00

Nonstop0h 00m

£128

San DiegoBaltimore

SAN San Diego - BWI Baltimore/Washington

SANBWI

San Diego

Tue 20/10

14:10-00:51

1 stop7h 41m

Baltimore/Washington

Wed 31/12

00:00-21:00

Nonstop0h 00m

£128

San DiegoBaltimore

SAN San Diego - BWI Baltimore/Washington

SANBWI

San Diego

Mon 21/12

06:15-16:33

1 stop7h 18m

Baltimore/Washington

Wed 31/12

00:00-21:00

Nonstop0h 00m

£133

Flights are sorted by cheapest return flights first.

Deals found on 20/9

Showing 1-10 of 46 resultsSorted by cheapest first
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Best time to book a flight from San Diego to Washington, D.C.

Have a flexible travel schedule? Discover the best time to fly to Washington, D.C. from San Diego with our price prediction graph.
Estimated return price

Cheapflights Insights

Everything you need to know about your flight from San Diego to Washington, D.C.

What is the cheapest month to book a flight from San Diego to Washington, D.C.?

Currently, February is the cheapest month in which you can book a flight from San Diego to Washington, D.C. (average of £263). Flying from San Diego to Washington, D.C. in June is currently the most expensive (average of £349). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from SAN to WAS?

When flying from San Diego to Washington, D.C., the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Weekly flight availability from San Diego to Washington, D.C.

The most flights from SAN to WAS are scheduled on a Thursday (13 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (8 on average).

How much does it cost for a return flight from San Diego to Washington, D.C.?

Airfare is below average for this route at the moment.
San Diego to Washington, D.C. flights typically cost between £233 and £420 in October.
The cheapest return price found within the last 5 days was £210 on United Airlines (14 Oct–21 Oct).

How often are flights from San Diego to Washington, D.C. delayed?

About 13% of weekly flights between San Diego and Washington, D.C. have experienced delays in the past year, with the average delay time being 142 minutes.

What is the most punctual flight time for San Diego to Washington, D.C. flights?

Historically, flights departing at night are less likely to be delayed, whereas flights leaving in the evening tend to experience delays more often.

What day of the week experiences the fewest flight delays on this route?

Tuesday tends to have the lowest number of delays on this route, whereas Thursday has historically faced a higher average of delays compared to other days of the week.

Which airline has the best punctuality record on San Diego to Washington, D.C. flights?

Over the past year, United Airlines have had the lowest number of delays on this route, with just 9% of flights being delayed.

How far ahead should I book a flight from San Diego to Washington, D.C.?

To ensure you get the cheapest price possible for a flight from San Diego to Washington, D.C., you should look to book at least 28 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

Related info for your journey

  • What airport do you fly from for flights from San Diego to Washington, D.C.?

    San Diego (SAN) is the airport you will fly out of if you book a flight from San Diego to Washington, D.C.. You should not have trouble finding flights to Washington, D.C. from San Diego; the airport handles an average of 10 outbound flights to Washington, D.C. per day. You should also have plenty of airline options to choose from since 0 airlines have flights from the San Diego airport to Washington, D.C.. It is only a 2.6 mi journey to San Diego (SAN) from San Diego’s city center.

  • How long is the flight from San Diego to Washington, D.C.?

    United Airlines, Southwest, and Delta can get you from San Diego to Washington, D.C. in just under 7h 22m. Your travel time can differ by up to 33m. The distance between San Diego and Washington, D.C. is about 2289 mi. This flight may include one or multiple stops.

  • What are the most reliable airlines from San Diego to Washington, D.C.?

    No one likes to see their flight delayed. When booking a flight from San Diego to Washington, D.C. consider choosing Austrian Airlines (87%), Brussels Airlines (87%) or Ethiopian Air (77%) as they are the most reliable in getting you off to your destination on time.

  • Can I find deals for flights from San Diego to Washington, D.C. that include hotel bookings?

    Yes. In addition to deals on San Diego to Washington, D.C. flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from San Diego to Washington, D.C.?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from San Diego to Washington, D.C..

  • Can I find deals for business class flights from San Diego to Washington, D.C.?

    Yes. Cheapflights offers flight deals from San Diego to Washington, D.C. by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from San Diego to Washington, D.C.?

    Currently, February is the cheapest month in which you can book a flight from San Diego to Washington, D.C. (average of £263). Flying from San Diego to Washington, D.C. in June is currently the most expensive (average of £349). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Travelling to a place near Washington, D.C.?

Book flights to Washington, D.C. if you plan to visit one of these locations
Silver Spring
Alexandria
Gaithersburg
Oxon Hill
Hanover
Woodbridge
Glen Burnie
Springfield

Browse thousands of different options on Cheapflights for your next trip

Alternative routes for San Diego to Washington, D.C.

San Francisco to Dulles Intl flights
Los Angeles to Reagan-National flights
Los Angeles to Dulles Intl flights

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How does Cheapflights help users find flights from San Diego to Washington, D.C.?

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from San Diego to Washington, D.C.. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

Why should you use Cheapflights to find cheap flight tickets from San Diego to Washington, D.C.?

Millions of users choose and trust Cheapflights to book the best flight deals from San Diego to Washington, D.C. for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

Can Cheapflights find flights from San Diego to Washington, D.C. with no change fees?

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