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Cheap flights from San Diego to District of Columbia from $143

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 District of Columbia departing on 2/23. 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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Find the cheapest flights from San Diego to District of Columbia

Cheap round-trip flights

Enter your travel dates to find the best prices.
Frontier Logo
3:20 pm - 1:00 pm
SAN
-
DCA
18h 40m
2 stops
Frontier Logo
6:00 pm - 12:01 am
DCA
-
SAN
9h 01m
1 stop
$225Frontier
Thu, Apr 30 - Fri, May 15
Frontier Logo
6:25 am - 4:59 pm
SAN
-
DCA
7h 34m
1 stop
Frontier Logo
6:00 pm - 12:08 am
DCA
-
SAN
9h 08m
1 stop
$227Frontier
Sat, Feb 28 - Sat, Mar 7
United Airlines Logo
10:15 pm - 6:03 am
SAN
-
IAD
4h 48mnonstop
United Airlines Logo
1:15 pm - 7:00 pm
IAD
-
SAN
8h 45m
1 stop
$227United Airlines
Wed, Mar 11 - Wed, Mar 18
Hawaiian Airlines Logo
9:20 am - 5:22 pm
SAN
-
IAD
5h 02mnonstop
Hawaiian Airlines Logo
6:22 pm - 9:22 pm
IAD
-
SAN
6h 00mnonstop
$228Hawaiian Airlines
Wed, Mar 25 - Wed, Apr 1
Frontier Logo
6:25 am - 4:59 pm
SAN
-
DCA
7h 34m
1 stop
Frontier Logo
8:00 am - 11:14 am
DCA
-
SAN
30h 14m
1 stop
$228Frontier
Fri, Feb 20 - Wed, Feb 25
Frontier Logo
2:38 pm - 1:02 pm
SAN
-
DCA
19h 24m
2 stops
Frontier Logo
8:00 am - 9:14 pm
DCA
-
SAN
16h 14m
1 stop
$229Frontier
Thu, Mar 5 - Tue, Mar 10
Multiple Airlines Logo
4:49 pm - 5:50 am
SAN
-
IAD
10h 01m
1 stop
Multiple Airlines Logo
7:04 pm - 12:11 am
IAD
-
SAN
8h 07m
1 stop
$229Multiple Airlines
Wed, Apr 29 - Fri, May 8
Hawaiian Airlines Logo
3:45 pm - 5:40 am
SAN
-
IAD
10h 55m
1 stop
Hawaiian Airlines Logo
6:20 pm - 9:19 pm
IAD
-
SAN
5h 59mnonstop
$231Hawaiian Airlines
Fri, Mar 6 - Wed, Mar 11
Alaska Airlines Logo
9:28 am - 5:27 pm
SAN
-
IAD
4h 59mnonstop
Alaska Airlines Logo
6:20 pm - 9:19 pm
IAD
-
SAN
5h 59mnonstop
$237Alaska Airlines
Sat, Mar 14 - Tue, Mar 17
Southwest Logo
6:45 am - 5:20 pm
SAN
-
DCA
7h 35m
1 stop
Southwest Logo
12:40 pm - 7:35 pm
DCA
-
SAN
9h 55m
1 stop
$237Southwest
Sat, Mar 14 - Wed, Mar 18

United Airlines flights from San Diego to District of Columbia

Our best United Airlines deals on San Diego to District of Columbia flight tickets
United Airlines
Mar 11
SAN10:15 pmSan Diego
4h 48m
IAD6:03 amWashington, D.C. Dulles Intl
Mar 18
IAD1:15 pmWashington, D.C. Dulles Intl
8h 45m
1 stop
SAN7:00 pmSan Diego
$227
United Airlines
Mar 12
SAN10:15 pmSan Diego
4h 48m
IAD6:03 amWashington, D.C. Dulles Intl
Mar 18
IAD12:51 pmWashington, D.C. Dulles Intl
5h 50m
SAN3:41 pmSan Diego
$247
United Airlines
Apr 1
SAN12:55 pmSan Diego
5h 05m
IAD9:00 pmWashington, D.C. Dulles Intl
Apr 8
IAD5:55 pmWashington, D.C. Dulles Intl
5h 51m
SAN8:46 pmSan Diego
$282

Delta flights from San Diego to District of Columbia

Our best Delta deals on San Diego to District of Columbia flight tickets
Delta
Mar 10
SAN6:15 amSan Diego
7h 20m
1 stop
DCA4:35 pmWashington, D.C. Reagan-National
Mar 17
DCA6:59 amWashington, D.C. Reagan-National
8h 59m
1 stop
SAN12:58 pmSan Diego
$257
Delta
Mar 10
SAN6:15 amSan Diego
7h 37m
1 stop
IAD4:52 pmWashington, D.C. Dulles Intl
Mar 20
IAD5:32 pmWashington, D.C. Dulles Intl
8h 27m
1 stop
SAN10:59 pmSan Diego
$267
Delta
Mar 6
SAN10:00 pmSan Diego
10h 44m
1 stop
IAD11:44 amWashington, D.C. Dulles Intl
Mar 8
IAD7:00 amWashington, D.C. Dulles Intl
10h 44m
1 stop
SAN2:44 pmSan Diego
$287

momondo Fare Finder

 
Customize your flight search to find flights from San Diego to District of Columbia 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 February 10, 2026.
Use the filters below to find and compare flights from San Diego to District of Columbia that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

San DiegoWashington, D.C.

SAN - DCA

SANDCA

San Diego

Thu 4/30

3:20 pm-1:00 pm

2 stops18h 40m

Washington, D.C. Reagan-National

Fri 5/15

6:00 pm-12:01 am

1 stop9h 01m

$225

San DiegoWashington, D.C.

SAN - DCA

SANDCA

San Diego

Sat 2/28

6:25 am-4:59 pm

1 stop7h 34m

Washington, D.C. Reagan-National

Sat 3/7

6:00 pm-12:08 am

1 stop9h 08m

$227

San DiegoWashington, D.C.

SAN - IAD

SANIAD

San Diego

Wed 3/11

10:15 pm-6:03 am

Nonstop4h 48m

Washington, D.C. Dulles Intl

Wed 3/18

1:15 pm-7:00 pm

1 stop8h 45m

$227

San DiegoWashington, D.C.

SAN - IAD

SANIAD

San Diego

Wed 3/25

9:20 am-5:22 pm

Nonstop5h 02m

Washington, D.C. Dulles Intl

Wed 4/1

6:22 pm-9:22 pm

Nonstop6h 00m

$228

San DiegoWashington, D.C.

SAN - DCA

SANDCA

San Diego

Fri 2/20

6:25 am-4:59 pm

1 stop7h 34m

Washington, D.C. Reagan-National

Wed 2/25

8:00 am-11:14 am

1 stop30h 14m

$228

San DiegoWashington, D.C.

SAN - DCA

SANDCA

San Diego

Thu 3/5

2:38 pm-1:02 pm

2 stops19h 24m

Washington, D.C. Reagan-National

Tue 3/10

8:00 am-9:14 pm

1 stop16h 14m

$229

San DiegoWashington, D.C.

SAN - IAD

SANIAD

San Diego

Wed 4/29

4:49 pm-5:50 am

1 stop10h 01m

Washington, D.C. Dulles Intl

Fri 5/8

7:04 pm-12:11 am

1 stop8h 07m

$229

San DiegoWashington, D.C.

SAN - IAD

SANIAD

San Diego

Fri 3/6

3:45 pm-5:40 am

1 stop10h 55m

Washington, D.C. Dulles Intl

Wed 3/11

6:20 pm-9:19 pm

Nonstop5h 59m

$231

San DiegoWashington, D.C.

SAN - IAD

SANIAD

San Diego

Sat 3/14

9:28 am-5:27 pm

Nonstop4h 59m

Washington, D.C. Dulles Intl

Tue 3/17

6:20 pm-9:19 pm

Nonstop5h 59m

$237

San DiegoWashington, D.C.

SAN - DCA

SANDCA

San Diego

Sat 3/14

6:45 am-5:20 pm

1 stop7h 35m

Washington, D.C. Reagan-National

Wed 3/18

12:40 pm-7:35 pm

1 stop9h 55m

$237

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 District of Columbia from

How to get the cheapest flight ticket from San Diego to District of Columbia

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 District of Columbia?

In general, August is the cheapest month to fly from San Diego to District of Columbia. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $277. If you don’t want to visit District of Columbia in August, then you should wait until September to fly from San Diego, when ticket prices are also cheap, with an average price of $317.

What is the cheapest day to depart on your flight to District of Columbia?

The cheapest day to depart on your flight to District of Columbia is on a Friday when prices can be found for as low as $400. This is often the case because there is less demand to fly during this day of the week. On the other hand, Sunday is the most expensive day to depart from San Diego because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $591.

What is the cheapest time of day to depart on your flight to District of Columbia?

Flying to District of Columbia from San Diego at noon is the least expensive time of day to depart. momondo users have found prices as low as $376 when looking at flights departing at noon. Flights to District of Columbia are more costly in the evening, with an average ticket price of $481. Departure times in the evening fall within the peak daily travel times, which is why tickets can be more expensive.

What is the cheapest San Diego to District of Columbia flight route?

Fly from San Diego to Washington, D.C. Reagan-National for the best San Diego - District of Columbia flight prices

How far in advance should I book a flight to District of Columbia?

You are more likely to see cheaper flights to District of Columbia from San Diego when booking weeks ahead of your departure date. In general, you can expect to find flights to District of Columbia for around $382 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to District of Columbia from San Diego for as low as $307 on momondo.

What cabin class options are available on San Diego to District of Columbia flights?

There are 4 cabin classes available to choose from on San Diego to District of Columbia 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 District of Columbia flights?

You could potentially save up to 7% on your flight if you consider stops on a San Diego to District of Columbia flight.

Cheap San Diego to District of Columbia flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from San Diego to District of Columbia

Best Price Found

$158

Fastest flight time

4h 37m

Direct flights

Every day

Airports in District of Columbia

2 airports
The best one-way flight to District of Columbia from San Diego in the past 72 hours is $158. The best round-trip flight deal from San Diego to District of Columbia found on momondo in the last 72 hours is $277.
The fastest flight from San Diego to District of Columbia takes 4h 37m
Direct flights go from San Diego to District of Columbia every day.
There are 2 airports in District of Columbia. From San Diego there are direct flights to Washington, D.C. Dulles Intl (IAD).
Search flight deals

  • When did momondo last update prices for flights from San Diego Airport to District of Columbia?

    Prices for flights from San Diego Airport to District of Columbia refresh daily.

  • How many operators does momondo search for flights from San Diego Airport to District of Columbia?

  • How old do you have to be to fly from San Diego Airport to District of Columbia?

    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 District of Columbia.

  • What documentation or ID do you need to fly to District of Columbia?

    The required travel and health documents for your District of Columbia trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at District of Columbia. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

  • What is the most popular plane model from San Diego to District of Columbia?

Best airlines flying from San Diego to District of Columbia

Compare and see reviews for airlines that fly from San Diego to District of Columbia with momondo
Airline
Rating
Free Cancellation
Price
Spirit AirlinesPriceFrom $113Free CancellationRating
6.3
8,437 reviews
Search Spirit Airlines flights
FrontierPriceFrom $113Free CancellationRating
5.7
3,052 reviews
Search Frontier flights
DeltaPriceFrom $138Free CancellationRating
7.9
8,178 reviews
Search Delta flights
Hawaiian AirlinesPriceFrom $158Free CancellationRating
7.8
2,831 reviews
Search Hawaiian Airlines flights
Alaska AirlinesPriceFrom $197Free CancellationRating
8.0
11,871 reviews
Search Alaska Airlines flights
SouthwestPriceFrom $216Free CancellationRating
8.0
4,282 reviews
Search Southwest flights
United AirlinesPriceFrom $220Free CancellationRating
7.4
9,267 reviews
Search United Airlines flights
American AirlinesPriceFrom $256Free CancellationRating
7.2
11,260 reviews
Search American Airlines flights

Why use momondo?

Why should I use momondo to find a flight deal from San Diego to District of Columbia?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from San Diego to District of Columbia. momondo saves you time and could save you money on your trip.

Can I find flights from San Diego to District of Columbia with flexible booking policies on momondo?

Yes. All flights to District of Columbia from San Diego on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from San Diego to District of Columbia?

Once you have performed a search for San Diego to District of Columbia 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 District of Columbia right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to District of Columbia 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 District of Columbia trip

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