Latest deals
Insights
When to book
FAQs
Reviews
Price Alerts

Cheap flights from San Diego to Washington, D.C. from $57

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 2/25. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

Deals available from 900+ travel sites.

Save money when you book flights with momondo
Big names and deals
Big names and deals
Search 100s of travel sites to compare prices.
Filter for what you want
Filter for what you want
Free Wi-Fi? Stopover? Instantly customize your results.
Trusted and free
Trusted and free
We’re completely free to use - no hidden charges or fees.
Price Alerts
Price Alerts
Not ready to book? to track prices.

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

Cheap round-trip flights

These are some of the best round-trip flight deals from San Diego to Washington, D.C. that have been recently found on momondo from popular airlines, departing in the coming months.

Cheap one-way flights

Flying one-way? These are some of the best deals recently discovered on momondo for flights from San Diego to Washington, D.C..

Cheap last minute flights

Planning a quick getaway from San Diego to Washington, D.C.? These are the last-minute flight deals available now.

Cheap direct flights

If you prefer a non-stop journey, check out our latest direct flight deals to Washington, D.C., so you can enjoy a seamless trip without layovers.

Cheap bus & train deals from San Diego to Washington, D.C.

Find recent round-trip train or bus tickets from San Diego to Washington, D.C..

All round-trip flight deals from San Diego to Washington, D.C.

The cheapest plane tickets from San Diego to Washington, D.C. found on KAYAK recently.
6:15 am - 7:50 pmSAN-BWI
10h 35m1 stop
8:45 am - 2:01 pmBWI-SAN
8h 16m1 stop
$124Spirit Airlines
Find Deal
Thu, Feb 27 - Mon, Mar 3
6:25 am - 4:59 pmSAN-DCA
7h 34m1 stop
7:00 am - 11:48 amDCA-SAN
7h 48m1 stop
$128Frontier
Find Deal
Wed, Feb 5 - Wed, Feb 19
8:30 am - 4:23 pmSAN-IAD
4h 53mnonstop
5:18 pm - 8:19 pmIAD-SAN
6h 01mnonstop
$237Alaska Airlines
Find Deal
Wed, Feb 12 - Tue, Feb 18
5:25 pm - 7:00 amSAN-IAD
10h 35m1 stop
8:30 am - 11:21 amIAD-SAN
5h 51mnonstop
$243United Airlines
Find Deal
Wed, Feb 19 - Wed, Feb 26
10:15 am - 9:02 pmSAN-IAD
7h 47m1 stop
6:17 pm - 8:59 pmIAD-SAN
5h 42mnonstop
$247United Airlines
Find Deal
Wed, Feb 12 - Tue, Feb 18
8:30 am - 4:18 pmSAN-IAD
4h 48mnonstop
5:18 pm - 8:19 pmIAD-SAN
6h 01mnonstop
$252Alaska Airlines
Find Deal
Tue, Feb 18 - Mon, Feb 24
6:15 am - 4:12 pmSAN-IAD
6h 57m1 stop
9:12 am - 1:45 pmIAD-SAN
7h 33m1 stop
$270American Airlines
Find Deal
Sat, Mar 1 - Tue, Mar 4
10:37 pm - 8:55 amSAN-DCA
7h 18m1 stop
5:00 am - 9:27 amDCA-SAN
7h 27m1 stop
$272American Airlines
Find Deal
Wed, Mar 26 - Sat, Mar 29
7:10 am - 6:56 pmSAN-IAD
8h 46m1 stop
1:42 pm - 6:51 pmIAD-SAN
8h 09m1 stop
$277Delta
Find Deal
Wed, Feb 12 - Wed, Feb 19
10:00 pm - 8:50 amSAN-DCA
7h 50m1 stop
7:45 am - 1:01 pmDCA-SAN
8h 16m1 stop
$282Delta
Find Deal
Mon, Mar 31 - Tue, Apr 8
4:06 pm - 4:59 pmSAN-DCA
21h 53m1 stop
$57Frontier
Find Deal
Tue, Feb 25
6:25 am - 4:59 pmSAN-DCA
7h 34m1 stop
$64Frontier
Find Deal
Wed, Apr 30
6:15 am - 7:50 pmSAN-BWI
10h 35m1 stop
$75Spirit Airlines
Find Deal
Fri, Feb 21
6:15 am - 7:50 pmSAN-BWI
10h 35m1 stop
$80Spirit Airlines
Find Deal
Thu, Feb 20
8:30 am - 4:18 pmSAN-IAD
4h 48mnonstop
$119Alaska Airlines
Find Deal
Tue, Feb 25
6:15 am - 7:25 pmSAN-IAD
10h 10m1 stop
$124United Airlines
Find Deal
Tue, Feb 25
1:41 pm - 11:57 pmSAN-IAD
7h 16m1 stop
$128American Airlines
Find Deal
Wed, Apr 16
10:25 pm - 9:20 amSAN-DCA
7h 55m1 stop
$129United Airlines
Find Deal
Tue, Mar 25
8:30 am - 4:18 pmSAN-IAD
4h 48mnonstop
$149Alaska Airlines
Find Deal
Fri, Feb 28
7:40 am - 5:59 pmSAN-DCA
7h 19m1 stop
$169American Airlines
Find Deal
Sun, Feb 16
12:01 pm - 9:59 pmSAN-DCA
6h 58m1 stop
1:01 pm - 11:52 pmDCA-SAN
13h 51m1 stop
$240Frontier
Find Deal
Sat, Jan 25 - Wed, Feb 5
6:25 am - 9:59 pmSAN-DCA
12h 34m1 stop
1:01 pm - 11:52 pmDCA-SAN
13h 51m1 stop
$260Frontier
Find Deal
Mon, Jan 27 - Wed, Feb 5
6:25 am - 9:59 pmSAN-DCA
12h 34m1 stop
1:01 pm - 11:52 pmDCA-SAN
13h 51m1 stop
$276Frontier
Find Deal
Sun, Jan 26 - Wed, Feb 5
4:21 pm - 5:00 amSAN-BWI
9h 39m1 stop
7:00 am - 9:17 amBWI-SAN
29h 17m1 stop
$325Spirit Airlines
Find Deal
Tue, Jan 28 - Wed, Mar 5
7:26 pm - 3:14 pmSAN-BWI
16h 48m2 stops
7:00 am - 4:44 pmBWI-SAN
12h 44m1 stop
$340Spirit Airlines
Find Deal
Tue, Jan 28 - Wed, Mar 5
8:30 am - 4:23 pmSAN-IAD
4h 53mnonstop
5:18 pm - 8:19 pmIAD-SAN
6h 01mnonstop
$522Alaska Airlines
Find Deal
Mon, Jan 27 - Wed, Feb 26
12:15 pm - 12:29 amSAN-IAD
9h 14m1 stop
6:17 pm - 8:59 pmIAD-SAN
5h 42mnonstop
$528United Airlines
Find Deal
Mon, Jan 27 - Wed, Feb 26
12:50 pm - 10:41 pmSAN-IAD
6h 51m1 stop
6:30 am - 1:45 pmIAD-SAN
10h 15m1 stop
$542American Airlines
Find Deal
Mon, Jan 27 - Wed, Feb 26
8:30 am - 4:23 pmSAN-IAD
4h 53mnonstop
5:25 pm - 8:17 pmIAD-SAN
5h 52mnonstop
$707Alaska Airlines
Find Deal
Mon, Jan 27 - Fri, Jan 31
12:15 pm - 12:29 amSAN-IAD
9h 14m1 stop
8:21 am - 11:03 amIAD-SAN
5h 42mnonstop
$713United Airlines
Find Deal
Mon, Jan 27 - Fri, Jan 31
8:30 am - 4:23 pmSAN-IAD
4h 53mnonstop
5:18 pm - 8:19 pmIAD-SAN
6h 01mnonstop
$237Alaska Airlines
Find Deal
Wed, Feb 12 - Tue, Feb 18
8:30 am - 4:23 pmSAN-IAD
4h 53mnonstop
5:18 pm - 8:19 pmIAD-SAN
6h 01mnonstop
$252Alaska Airlines
Find Deal
Wed, Feb 12 - Sat, Feb 15
9:30 pm - 5:16 amSAN-IAD
4h 46mnonstop
6:20 pm - 9:02 pmIAD-SAN
5h 42mnonstop
$271United Airlines
Find Deal
Wed, Mar 5 - Sun, Mar 9
9:30 pm - 5:16 amSAN-IAD
4h 46mnonstop
6:20 pm - 9:02 pmIAD-SAN
5h 42mnonstop
$326United Airlines
Find Deal
Tue, Mar 18 - Fri, Mar 21
8:30 am - 4:18 pmSAN-IAD
4h 48mnonstop
5:18 pm - 8:19 pmIAD-SAN
6h 01mnonstop
$350American Airlines
Find Deal
Sat, Mar 1 - Tue, Mar 4
9:20 pm - 5:20 amSAN-BWI
5h 00mnonstop
7:30 pm - 10:05 pmBWI-SAN
5h 35mnonstop
$397Southwest
Find Deal
Thu, Apr 10 - Tue, Apr 15
4:40 pm - 12:25 amSAN-BWI
4h 45mnonstop
9:30 am - 12:30 pmBWI-SAN
6h 00mnonstop
$422Southwest
Find Deal
Thu, Feb 13 - Wed, Feb 19
8:50 am - 4:58 pmSAN-IAD
5h 08mnonstop
5:30 pm - 8:19 pmIAD-SAN
5h 49mnonstop
$457American Airlines
Find Deal
Wed, Mar 26 - Tue, Apr 1
10:35 am - 6:45 pmSAN-IAD
5h 10mnonstop
4:15 pm - 6:30 pmIAD-SAN
5h 15mnonstop
Wed, Jun 18 - Sun, Jul 6
8:50 am - 4:58 pmSAN-IAD
5h 08mnonstop
5:30 pm - 8:19 pmIAD-SAN
5h 49mnonstop
Sun, Mar 23 - Wed, Mar 26

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

Our best Spirit Airlines deals on San Diego to Washington, D.C. flight tickets
Spirit Airlines
Feb 27
SAN6:15 amSan Diego
10h 35m
1 stop
BWI7:50 pmBaltimore/Washington
Mar 3
BWI8:45 amBaltimore/Washington
8h 16m
1 stop
SAN2:01 pmSan Diego
Spirit Airlines
Feb 18
SAN3:00 pmSan Diego
11h 18m
1 stop
BWI5:18 amBaltimore/Washington
Feb 22
BWI8:45 amBaltimore/Washington
8h 16m
1 stop
SAN2:01 pmSan Diego
Spirit Airlines
Feb 21
SAN6:15 amSan Diego
10h 35m
1 stop
BWI7:50 pmBaltimore/Washington
Feb 28
BWI8:45 amBaltimore/Washington
8h 16m
1 stop
SAN2:01 pmSan Diego

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

Our best Frontier deals on San Diego to Washington, D.C. flight tickets
Frontier
Feb 5
SAN6:25 amSan Diego
7h 34m
1 stop
DCA4:59 pmWashington, D.C. Reagan-National
Feb 19
DCA7:00 amWashington, D.C. Reagan-National
7h 48m
1 stop
SAN11:48 amSan Diego
Frontier
Feb 8
SAN12:01 pmSan Diego
6h 58m
1 stop
DCA9:59 pmWashington, D.C. Reagan-National
Feb 10
DCA6:00 pmWashington, D.C. Reagan-National
9h 29m
1 stop
SAN12:29 amSan Diego
Frontier
Mar 1
SAN6:25 amSan Diego
12h 34m
1 stop
DCA9:59 pmWashington, D.C. Reagan-National
Mar 3
DCA1:03 pmWashington, D.C. Reagan-National
14h 17m
1 stop
SAN12:20 amSan Diego

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 February is, on average, the cheapest month to fly to Washington, D.C. from San Diego, with most prices found around $290. If you’re not able to fly to Washington, D.C. in February, then August is your next best option. Flight prices from San Diego to Washington, D.C. during August average around $291.

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 Thursday. momondo users have found tickets for Thursday departures for as low as $433. 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 $676.

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 at noon because they tend to be around $544. 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 Washington, D.C. Dulles Intl 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 13 weeks ahead of your departure date. In general, you can expect to find flights to Washington, D.C. for around $366 when searching 13 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 $270 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.

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

As of January 2025, prices for San Diego to Washington, D.C. flights are approximately 59% more expensive 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

$57

Fastest flight time

4h 37m

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 $57. The best round-trip flight deal from San Diego to Washington, D.C. found on momondo in the last 72 hours is $124.
The fastest flight from San Diego to Washington, D.C. takes 4h 37m
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 40m 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
Spirit AirlinesPriceFrom $64Free CancellationRating
6.3
8,109 reviews
Search Spirit Airlines flights
FrontierPriceFrom $138Free CancellationRating
6.0
3,440 reviews
Search Frontier flights
DeltaPriceFrom $154Free CancellationRating
8.0
8,507 reviews
Search Delta flights
Alaska AirlinesPriceFrom $194Free CancellationRating
8.0
9,699 reviews
Search Alaska Airlines flights
American AirlinesPriceFrom $217Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
JetBluePriceFrom $235Free CancellationRating
7.4
3,191 reviews
Search JetBlue flights
United AirlinesPriceFrom $257Free CancellationRating
7.4
8,970 reviews
Search United Airlines flights
SouthwestPriceFrom $287Free CancellationRating
8.1
4,652 reviews
Search Southwest flights
  • Southwest Flights From San Diego to Washington, D.C.

    Across 7 Southwest flights from San Diego to Washington, D.C. this week, the average price was $535, with the best Southwest deals starting from $287 round-trip. 4,652 users have rated Southwest on momondo, with an average score of 8.1/10.

  • Alaska Airlines Flights From San Diego to Washington, D.C.

    Across 9,699 Alaska Airlines reviews on momondo, the average score is 8.0/10. Alaska Airlines flies from San Diego to Washington, D.C. about 7 times each week, with ticket deals ranging from $194 to $407. 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
Arlington
Gettysburg
Laurel
National Harbor
Silver Spring
Fredericksburg
Manassas
Woodbridge
Waldorf
Linthicum Heights
Glen Burnie
Gaithersburg
Rockville
Fairfax
Tysons
Towson
Hanover
Reston
Hyattsville

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

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
From?
To?
Tue 1/28
Tue 2/4
Email me momondo's favorite deals

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.