Cheap flights from San Diego to Washington, D.C. from $60

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from San Diego to Washington, D.C. departing on 9/9. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Cheap round-trip flights

Spirit Airlines Logo
1:35 pm - 4:30 amSAN-BWI
11h 55m1 stop
Spirit Airlines Logo
8:16 am - 6:42 pmBWI-SAN
13h 26m1 stop
$121Spirit Airlines
Find Deal
Tue, Sep 16 - Sat, Sep 20
Spirit Airlines Logo
6:15 am - 5:57 pmSAN-BWI
8h 42m1 stop
Spirit Airlines Logo
8:16 am - 6:42 pmBWI-SAN
13h 26m1 stop
$126Spirit Airlines
Find Deal
Wed, Sep 17 - Sat, Sep 20
Frontier Logo
9:03 pm - 5:42 pmSAN-BWI
17h 39m1 stop
Frontier Logo
6:27 pm - 11:53 pmBWI-SAN
8h 26m1 stop
$166Frontier
Find Deal
Thu, Sep 11 - Sun, Sep 14
Frontier Logo
7:23 pm - 10:18 amSAN-BWI
11h 55m1 stop
Frontier Logo
6:29 pm - 9:57 amBWI-SAN
18h 28m1 stop
$168Frontier
Find Deal
Thu, Oct 16 - Sun, Oct 19
United Airlines Logo
9:00 am - 9:25 pmSAN-BWI
9h 25m2 stops
United Airlines Logo
4:12 pm - 8:54 pmBWI-SAN
7h 42m1 stop
$198United Airlines
Find Deal
Sat, Nov 15 - Tue, Nov 18
Hawaiian Airlines Logo
8:30 am - 4:42 pmSAN-IAD
5h 12mnonstop
Hawaiian Airlines Logo
5:42 pm - 8:20 pmIAD-SAN
5h 38mnonstop
$229Hawaiian Airlines
Find Deal
Sat, Oct 4 - Sat, Oct 11
Alaska Airlines Logo
8:30 am - 4:42 pmSAN-IAD
5h 12mnonstop
Alaska Airlines Logo
5:42 pm - 8:20 pmIAD-SAN
5h 38mnonstop
$230Alaska Airlines
Find Deal
Sat, Oct 4 - Sat, Oct 11
Hawaiian Airlines Logo
1:41 pm - 9:59 pmSAN-DCA
5h 18mnonstop
Hawaiian Airlines Logo
9:59 am - 12:20 pmDCA-SAN
5h 21mnonstop
$236Hawaiian Airlines
Find Deal
Sat, Sep 13 - Sat, Sep 20
Alaska Airlines Logo
1:41 pm - 9:59 pmSAN-DCA
5h 18mnonstop
Alaska Airlines Logo
9:59 am - 12:20 pmDCA-SAN
5h 21mnonstop
$237Alaska Airlines
Find Deal
Wed, Sep 17 - Tue, Sep 30
United Airlines Logo
12:07 pm - 10:12 pmSAN-IAD
7h 05m1 stop
United Airlines Logo
5:55 pm - 8:33 pmIAD-SAN
5h 38mnonstop
$243United Airlines
Find Deal
Sat, Nov 1 - Wed, Nov 5

Hawaiian Airlines flights from San Diego to Washington, D.C.

Our best Hawaiian Airlines deals on San Diego to Washington, D.C. flight tickets
Hawaiian Airlines
Oct 4
SAN8:30 amSan Diego
5h 12m
IAD4:42 pmWashington, D.C. Dulles Intl
Oct 11
IAD5:42 pmWashington, D.C. Dulles Intl
5h 38m
SAN8:20 pmSan Diego
Hawaiian Airlines
Sep 13
SAN1:41 pmSan Diego
5h 18m
DCA9:59 pmWashington, D.C. Reagan-National
Sep 20
DCA9:59 amWashington, D.C. Reagan-National
5h 21m
SAN12:20 pmSan Diego
Hawaiian Airlines
Sep 23
SAN8:33 amSan Diego
5h 19m
IAD4:52 pmWashington, D.C. Dulles Intl
Oct 1
IAD7:00 amWashington, D.C. Dulles Intl
10h 48m
1 stop
SAN2:48 pmSan Diego

United Airlines flights from San Diego to Washington, D.C.

Our best United Airlines deals on San Diego to Washington, D.C. flight tickets
United Airlines
Nov 15
SAN9:00 amSan Diego
9h 25m
2 stops
BWI9:25 pmBaltimore/Washington
Nov 18
BWI4:12 pmBaltimore/Washington
7h 42m
1 stop
SAN8:54 pmSan Diego
United Airlines
Nov 1
SAN12:07 pmSan Diego
7h 05m
1 stop
IAD10:12 pmWashington, D.C. Dulles Intl
Nov 5
IAD5:55 pmWashington, D.C. Dulles Intl
5h 38m
SAN8:33 pmSan Diego
United Airlines
Sep 17
SAN9:45 pmSan Diego
4h 58m
IAD5:43 amWashington, D.C. Dulles Intl
Sep 20
IAD3:00 pmWashington, D.C. Dulles Intl
8h 48m
1 stop
SAN8:48 pmSan Diego

momondo Fare Finder

 
Customize your flight search to find flights from San Diego to Washington, D.C. that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated August 21, 2025.
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

San DiegoBaltimore

SAN - BWI

SANBWI

San Diego

Tue 9/16

1:35 pm-4:30 am

1 stop11h 55m

Baltimore/Washington

Sat 9/20

8:16 am-6:42 pm

1 stop13h 26m

$121

San DiegoBaltimore

SAN - BWI

SANBWI

San Diego

Wed 9/17

6:15 am-5:57 pm

1 stop8h 42m

Baltimore/Washington

Sat 9/20

8:16 am-6:42 pm

1 stop13h 26m

$126

San DiegoBaltimore

SAN - BWI

SANBWI

San Diego

Thu 9/11

9:03 pm-5:42 pm

1 stop17h 39m

Baltimore/Washington

Sun 9/14

6:27 pm-11:53 pm

1 stop8h 26m

$166

San DiegoBaltimore

SAN - BWI

SANBWI

San Diego

Thu 10/16

7:23 pm-10:18 am

1 stop11h 55m

Baltimore/Washington

Sun 10/19

6:29 pm-9:57 am

1 stop18h 28m

$168

San DiegoBaltimore

SAN - BWI

SANBWI

San Diego

Sat 11/15

9:00 am-9:25 pm

2 stops9h 25m

Baltimore/Washington

Tue 11/18

4:12 pm-8:54 pm

1 stop7h 42m

$198

San DiegoWashington, D.C.

SAN - IAD

SANIAD

San Diego

Sat 10/4

8:30 am-4:42 pm

Nonstop5h 12m

Washington, D.C. Dulles Intl

Sat 10/11

5:42 pm-8:20 pm

Nonstop5h 38m

$229

San DiegoWashington, D.C.

SAN - IAD

SANIAD

San Diego

Sat 10/4

8:30 am-4:42 pm

Nonstop5h 12m

Washington, D.C. Dulles Intl

Sat 10/11

5:42 pm-8:20 pm

Nonstop5h 38m

$230

San DiegoWashington, D.C.

SAN - DCA

SANDCA

San Diego

Sat 9/13

1:41 pm-9:59 pm

Nonstop5h 18m

Washington, D.C. Reagan-National

Sat 9/20

9:59 am-12:20 pm

Nonstop5h 21m

$236

San DiegoWashington, D.C.

SAN - DCA

SANDCA

San Diego

Wed 9/17

1:41 pm-9:59 pm

Nonstop5h 18m

Washington, D.C. Reagan-National

Tue 9/30

9:59 am-12:20 pm

Nonstop5h 21m

$237

San DiegoWashington, D.C.

SAN - IAD

SANIAD

San Diego

Sat 11/1

12:07 pm-10:12 pm

1 stop7h 05m

Washington, D.C. Dulles Intl

Wed 11/5

5:55 pm-8:33 pm

Nonstop5h 38m

$243

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Washington, D.C. from

How to get the cheapest flight ticket from San Diego to Washington, D.C.

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Washington, D.C.?

The month of September is, on average, the cheapest month to fly to Washington, D.C. from San Diego, with most prices found around $317. If you’re not able to fly to Washington, D.C. in September, then August is your next best option. Flight prices from San Diego to Washington, D.C. during August average around $318.

What is the cheapest day to depart on your flight to Washington, D.C.?

On average, the least expensive day to fly to Washington, D.C. from San Diego is on a Friday. momondo users have found tickets for Friday departures for as low as $413. However, this price may fluctuate depending on the airline, the season, and holidays. When flying out on a Sunday, the most expensive travel day of the week, you can expect to see flight prices from San Diego to Washington, D.C. for around $597.

What is the cheapest time of day to depart on your flight to Washington, D.C.?

In the afternoon is the cheapest time of day to fly from San Diego to Washington, D.C. when you can find flight prices for as low as $253. Flying to Washington, D.C. in the afternoon is an ideal time because this is during off-peak travel hours. Try not to purchase tickets in the evening because they tend to be around $508. Of course, these prices can vary depending on the time of year and what airport you fly to.

What is the cheapest San Diego to Washington, D.C. flight route?

Fly from San Diego to Baltimore/Washington for the best San Diego - Washington, D.C. flight prices

How far in advance should I book a flight to Washington, D.C.?

You are more likely to see cheaper flights to Washington, D.C. from San Diego when booking weeks ahead of your departure date. In general, you can expect to find flights to Washington, D.C. for around $392 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Washington, D.C. from San Diego for as low as $335 on momondo.

What cabin class options are available on San Diego to Washington, D.C. flights?

There are 4 cabin classes available to choose from on San Diego to Washington, D.C. flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on San Diego to Washington, D.C. flights?

You could potentially save up to 30% on your flight if you consider stops on a San Diego to Washington, D.C. flight.

How have San Diego to Washington, D.C. flight prices changed over time?

As of August 2025, prices for San Diego to Washington, D.C. flights are approximately 30% cheaper when compared to flights at the same time last year.

When to book flights from San Diego to Washington, D.C.

Are you open to changing your travel dates? Check out the ideal times to fly from San Diego to Washington, D.C. according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap San Diego to Washington, D.C. (SAN to WAS) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from San Diego to Washington, D.C.

Best Price Found

$138

Fastest flight time

4h 42m

Direct flights

Every day

Airports in Washington, D.C.

3 airports
The best one-way flight to Washington, D.C. from San Diego in the past 72 hours is $138. The best round-trip flight deal from San Diego to Washington, D.C. found on momondo in the last 72 hours is $277.
The fastest flight from San Diego to Washington, D.C. takes 4h 42m
Direct flights go from San Diego to Washington, D.C. every day.
There are 3 airports near Washington, D.C.: Washington, D.C. Reagan-National (DCA), Baltimore/Washington (BWI), Washington, D.C. Dulles Intl (IAD)
  • How far is San Diego to Washington, D.C. by plane?

    San Diego and Washington, D.C. are 2268.2 mi apart from one another. 4h 58m is a normal flight duration for this route.

  • When did momondo last update prices for flights from San Diego Airport to Washington, D.C.?

    Prices for flights from San Diego Airport to Washington, D.C. were last updated today.

  • How many operators does momondo search for flights from San Diego Airport to Washington, D.C.?

  • How old do you have to be to fly from San Diego Airport to Washington, D.C.?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from San Diego Airport to Washington, D.C..

  • What documentation or ID do you need to fly to Washington, D.C.?

    The travel and health documents required for your trip to Washington, D.C. can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Washington, D.C.. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

  • What is the most popular plane model from San Diego to Washington, D.C.?

  • What is the most popular airline from San Diego to Washington, D.C.?

Best airlines flying from San Diego to Washington, D.C.

Compare and see reviews for airlines that fly from San Diego to Washington, D.C. with momondo
Airline
Rating
Free Cancellation
Price
FrontierPriceFrom $128Free CancellationRating
5.8
3,207 reviews
Search Frontier flights
Spirit AirlinesPriceFrom $145Free CancellationRating
6.3
8,035 reviews
Search Spirit Airlines flights
Hawaiian AirlinesPriceFrom $158Free CancellationRating
7.8
2,672 reviews
Search Hawaiian Airlines flights
DeltaPriceFrom $198Free CancellationRating
7.9
7,981 reviews
Search Delta flights
Alaska AirlinesPriceFrom $236Free CancellationRating
8.0
10,000 reviews
Search Alaska Airlines flights
United AirlinesPriceFrom $237Free CancellationRating
7.4
8,930 reviews
Search United Airlines flights
SouthwestPriceFrom $256Free CancellationRating
8.0
4,245 reviews
Search Southwest flights
American AirlinesPriceFrom $256Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
  • Alaska Airlines Flights From San Diego to Washington, D.C.

    Across 13 Alaska Airlines flights from San Diego to Washington, D.C. this week, the average price was $364, with the best Alaska Airlines deals starting from $236 round-trip. 10,000 users have rated Alaska Airlines on momondo, with an average score of 8.0/10.

  • Southwest Flights From San Diego to Washington, D.C.

    Across 4,245 Southwest reviews on momondo, the average score is 8.0/10. Southwest flies from San Diego to Washington, D.C. about 8 times each week, with ticket deals ranging from $256 to $475. Price data is based on momondo searches in the last 72 hours.

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

Book flights to Washington, D.C. if you plan to visit one of these locations
Alexandria
Gettysburg
Arlington
National Harbor
Woodbridge
Waldorf
Tysons
Silver Spring
Laurel
Colonial Beach
Fredericksburg
Manassas
Towson
Rockville
Gaithersburg
Reston
Fairfax
Glen Burnie
Springfield
Linthicum Heights

Why use momondo?

Why should I use momondo to find a flight deal from San Diego to Washington, D.C.?

Finding the right flight to Washington, D.C. from San Diego is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Washington, D.C. quick and easy, saving you time and money.

Can I find flights from San Diego to Washington, D.C. with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for San Diego to Washington, D.C. flights to just show those with flexible booking policies.

How can momondo help me find flights from San Diego to Washington, D.C.?

Once you have performed a search for San Diego to Washington, D.C. flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight from San Diego to Washington, D.C. right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to Washington, D.C. from San Diego. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

An easier way to manage your Washington, D.C. trip

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1 adult
Tue 8/26
Tue 9/2

Find better results for your trip to the United States

Fly into one of these airports located in Washington, D.C.

Airports listed have a maximum distance of 22.4 mi from Washington, D.C.