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Cheap flights from San Diego to Washington, D.C. Reagan-National Airport from $64

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. Reagan-National Airport departing on 4/8. 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 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.
6:25 am - 4:59 pmSAN-DCA
7h 34m1 stop
7:00 am - 11:29 amDCA-SAN
7h 29m1 stop
$128Frontier
Find Deal
Mon, Apr 14 - Wed, Apr 16
6:25 am - 9:59 pmSAN-DCA
12h 34m1 stop
1:03 pm - 12:20 amDCA-SAN
14h 17m1 stop
$130Frontier
Find Deal
Wed, Mar 5 - Wed, Mar 12
6:30 am - 3:59 pmSAN-DCA
6h 29m1 stop
8:00 am - 1:46 pmDCA-SAN
8h 46m1 stop
$257American Airlines
Find Deal
Sat, Mar 22 - Sat, Mar 29
6:15 am - 3:59 pmSAN-DCA
6h 44m1 stop
5:00 am - 9:27 amDCA-SAN
7h 27m1 stop
$287American Airlines
Find Deal
Wed, Mar 26 - Sun, Mar 30
7:15 am - 6:00 pmSAN-DCA
7h 45m1 stop
6:30 am - 12:08 pmDCA-SAN
8h 38m1 stop
$317Delta
Find Deal
Mon, Mar 17 - Sun, Mar 23
12:50 pm - 11:23 pmSAN-DCA
7h 33m1 stop
12:59 pm - 6:13 pmDCA-SAN
8h 14m1 stop
$337Delta
Find Deal
Wed, Jun 4 - Tue, Jun 10
6:15 am - 7:02 pmSAN-DCA
9h 47m2 stops
11:00 am - 4:30 pmDCA-SAN
8h 30m1 stop
$359United Airlines
Find Deal
Tue, Mar 25 - Wed, Mar 26
6:15 am - 6:41 pmSAN-DCA
9h 26m1 stop
8:30 am - 6:29 pmDCA-SAN
12h 59m2 stops
$363United Airlines
Find Deal
Tue, Apr 1 - Tue, Apr 8
9:25 pm - 3:20 pmSAN-DCA
14h 55m2 stops
5:20 pm - 10:00 pmDCA-SAN
7h 40m1 stop
$383Southwest
Find Deal
Mon, Mar 24 - Tue, Mar 25
7:40 am - 10:10 pmSAN-DCA
11h 30m2 stops
5:55 pm - 10:40 pmDCA-SAN
7h 45m1 stop
$392Southwest
Find Deal
Thu, May 1 - Mon, May 5

Frontier flights from San Diego to Washington, D.C. Reagan-National Airport

Our best Frontier deals on San Diego to Washington, D.C. Reagan-National Airport flight tickets
Frontier
Apr 14
SAN6:25 amSan Diego
7h 34m
1 stop
DCA4:59 pmWashington, D.C. Reagan-National
Apr 16
DCA7:00 amWashington, D.C. Reagan-National
7h 29m
1 stop
SAN11:29 amSan Diego
Frontier
Mar 5
SAN6:25 amSan Diego
12h 34m
1 stop
DCA9:59 pmWashington, D.C. Reagan-National
Mar 12
DCA1:03 pmWashington, D.C. Reagan-National
14h 17m
1 stop
SAN12:20 amSan Diego
Frontier
Mar 4
SAN6:25 amSan Diego
12h 34m
1 stop
DCA9:59 pmWashington, D.C. Reagan-National
Mar 20
DCA1:03 pmWashington, D.C. Reagan-National
14h 17m
1 stop
SAN12:20 amSan Diego

Hawaiian Airlines flights from San Diego to Washington, D.C. Reagan-National Airport

Our best Hawaiian Airlines deals on San Diego to Washington, D.C. Reagan-National Airport flight tickets
Hawaiian Airlines
Mar 17
SAN2:10 pmSan Diego
4h 45m
DCA9:55 pmWashington, D.C. Reagan-National
Mar 20
DCA8:00 amWashington, D.C. Reagan-National
5h 35m
SAN10:35 amSan Diego
Hawaiian Airlines
Apr 14
SAN2:10 pmSan Diego
4h 45m
DCA9:55 pmWashington, D.C. Reagan-National
Apr 22
DCA8:00 amWashington, D.C. Reagan-National
5h 40m
SAN10:40 amSan Diego
Hawaiian Airlines
Mar 22
SAN2:10 pmSan Diego
4h 45m
DCA9:55 pmWashington, D.C. Reagan-National
Mar 29
DCA8:00 amWashington, D.C. Reagan-National
5h 35m
SAN10:35 amSan Diego

See travel insights to Washington, D.C. from

How to get the cheapest flight ticket from San Diego to Washington, D.C. Reagan-National Airport

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. Reagan-National Airport?

The month of October is, on average, the cheapest month to fly to Washington, D.C. Reagan-National Airport from San Diego, with most prices found around $317. If you aren’t able to travel to Washington, D.C. Reagan-National Airport during the month of October, then flying in September is also cheap. Prices for this month can be found on momondo for an average of $324.

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

The cheapest day to depart from San Diego to Washington, D.C. Reagan-National Airport is on a Thursday. Travelers who choose to depart for Washington, D.C. Reagan-National Airport on a Thursday will often find tickets for as low as $297. Flights from San Diego to Washington, D.C. Reagan-National Airport on a Monday will generally be more expensive and average around $587. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

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

Our data shows that the cheapest San Diego to Washington, D.C. Reagan-National Airport flights are usually those with departure times in the afternoon. Our users have found flights to Washington, D.C. Reagan-National Airport in the afternoon for as low as $189. In contrast, the most expensive time of day to depart to Washington, D.C. Reagan-National Airport is at noon when prices are around $457.

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

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

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

You are more likely to see cheaper flights to Washington, D.C. Reagan-National Airport from San Diego when booking 16 weeks ahead of your departure date. In general, you can expect to find flights to Washington, D.C. Reagan-National Airport for around $376 when searching 16 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Washington, D.C. Reagan-National Airport from San Diego for as low as $307 on momondo.

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

There are 2 cabin classes available to choose from on San Diego to Washington, D.C. Reagan-National 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. Reagan-National Airport flight prices changed over time?

As of February 2025, prices for San Diego to Washington, D.C. Reagan-National Airport flights are approximately 12% more expensive when compared to flights at the same time last year.

When to book flights from San Diego to Washington, D.C. Reagan-National Airport

Are you open to changing your travel dates? Check out the ideal times to fly from San Diego to Washington, D.C. Reagan-National Airport 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. Reagan-National Airport (SAN to DCA) flight deals and tips

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

Best Price Found

$64

Fastest flight time

4h 45m

Direct flights

Every day
The best one-way flight to Washington, D.C. Reagan-National Airport from San Diego in the past 72 hours is $64. The best round-trip flight deal from San Diego to Washington, D.C. Reagan-National Airport found on momondo in the last 72 hours is $128.
The fastest flight from San Diego to Washington, D.C. Reagan-National Airport takes 4h 45m
Direct flights go from San Diego to Washington, D.C. Reagan-National Airport every day.

  • How far is San Diego to Washington, D.C. Reagan-National by plane?

    The distance between San Diego and Washington, D.C. Reagan-National is about 2268.2 mi. Flights usually cover this in 4h 45m, depending on flying conditions and air traffic around both airports.

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

    Prices for flights from San Diego Airport to Washington, D.C. Reagan-National Airport are refreshed on a daily basis.

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

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

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, 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. Reagan-National Airport.

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

    The necessary travel and health documents for your Washington, D.C. Reagan-National Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

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

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


Best airlines flying from San Diego to Washington, D.C. Reagan-National Airport

Compare and see reviews for airlines that fly from San Diego to Washington, D.C. Reagan-National Airport with momondo
Airline
Rating
Free Cancellation
Price
Spirit AirlinesPriceFrom $120Free CancellationRating
6.3
8,013 reviews
Search Spirit Airlines flights
FrontierPriceFrom $145Free CancellationRating
6.0
3,355 reviews
Search Frontier flights
Alaska AirlinesPriceFrom $226Free CancellationRating
8.0
9,697 reviews
Search Alaska Airlines flights
JetBluePriceFrom $235Free CancellationRating
7.4
3,070 reviews
Search JetBlue flights
United AirlinesPriceFrom $261Free CancellationRating
7.4
8,765 reviews
Search United Airlines flights
DeltaPriceFrom $276Free CancellationRating
8.0
8,219 reviews
Search Delta flights
American AirlinesPriceFrom $276Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
SouthwestPriceFrom $287Free CancellationRating
8.1
4,411 reviews
Search Southwest flights
  • Southwest Flights From San Diego to Washington, D.C. Reagan-National Airport

    Southwest flight deals from San Diego to Washington, D.C. Reagan-National Airport start from $287 round-trip. Over the 4 Southwest flights for this route in a normal week, average airfare is usually $538 round-trip - but some users have found much cheaper deals with momondo.

  • United Airlines Flights From San Diego to Washington, D.C. Reagan-National Airport

    $261 is the best United Airlines flight deal from San Diego to Washington, D.C. Reagan-National Airport found on momondo over the last 72 hours. The average United Airlines ticket price found was closer to $418, however, with flight time and availability significantly affecting the price. United Airlines (7.4/10 from 8,766 user reviews) flies into Washington, D.C. Reagan-National Airport from San Diego 14 times in an average week so prices can vary.


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
Woodbridge
Fredericksburg
Manassas
Tysons
Waldorf
Gaithersburg
Linthicum Heights
Glen Burnie
Rockville
Fairfax
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?

Flights from San Diego to Washington, D.C. with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

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

Once all potential San Diego to Washington, D.C. flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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

Of course. momondo tracks the price of San Diego to Washington, D.C. flights. All you need is a valid email address and we will do the rest; it is that quick and easy.


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