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Cheap flights from San Diego to Washington, D.C. Reagan-National Airport from $70

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 3/4. 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.

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.
12:01 pm - 9:59 pmSAN-DCA
6h 58m1 stop
6:00 pm - 12:29 amDCA-SAN
9h 29m1 stop
$129Frontier
Find Deal
Σαβ, Φεβ 8 - Δευ, Φεβ 10
6:25 am - 9:59 pmSAN-DCA
12h 34m1 stop
7:00 am - 11:48 amDCA-SAN
7h 48m1 stop
$130Frontier
Find Deal
Τρι, Μαρ 4 - Τρι, Μαρ 11
6:40 am - 8:50 pmSAN-DCA
11h 10m1 stop
4:25 pm - 10:45 pmDCA-SAN
9h 20m2 stops
$262Southwest
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Τρι, Απρ 1 - Τρι, Απρ 8
6:50 am - 4:00 pmSAN-DCA
6h 10m1 stop
6:00 am - 1:35 pmDCA-SAN
10h 35m2 stops
$277Southwest
Find Deal
Πεμ, Φεβ 20 - Τρι, Φεβ 25
9:50 pm - 9:08 amSAN-DCA
8h 18m1 stop
12:28 pm - 5:51 pmDCA-SAN
8h 23m1 stop
$282Delta
Find Deal
Δευ, Μαρ 31 - Τετ, Απρ 9
10:10 pm - 10:16 amSAN-DCA
9h 06m1 stop
6:20 pm - 11:19 pmDCA-SAN
7h 59m1 stop
$287Delta
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Δευ, Φεβ 17 - Πεμ, Φεβ 20
10:26 am - 8:47 pmSAN-DCA
7h 21m1 stop
2:00 pm - 6:18 pmDCA-SAN
7h 18m1 stop
$297United Airlines
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Τρι, Μαϊ 20 - Τρι, Μαϊ 27
10:39 pm - 9:58 amSAN-DCA
8h 19m1 stop
7:25 am - 1:56 pmDCA-SAN
9h 31m1 stop
$387United Airlines
Find Deal
Δευ, Μαρ 31 - Σαβ, Απρ 5
2:48 pm - 12:50 amSAN-DCA
7h 02m1 stop
5:59 am - 12:42 pmDCA-SAN
9h 43m1 stop
$412American Airlines
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Πεμ, Απρ 3 - Κυρ, Απρ 6
10:37 pm - 8:55 amSAN-DCA
7h 18m1 stop
9:28 am - 2:32 pmDCA-SAN
8h 04m1 stop
$437American Airlines
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Κυρ, Μαρ 30 - Τρι, Απρ 1
6:25 am - 9:59 pmSAN-DCA
12h 34m1 stop
$70Frontier
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Τρι, Μαρ 4
6:25 am - 9:59 pmSAN-DCA
12h 34m1 stop
$71Frontier
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Τετ, Φεβ 5
1:30 pm - 11:15 pmSAN-DCA
6h 45m1 stop
$129American Airlines
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Τρι, Μαρ 25
8:55 pm - 3:50 pmSAN-DCA
15h 55m2 stops
$169Southwest
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Κυρ, Μαρ 2
7:19 pm - 1:42 pmSAN-DCA
15h 23m2 stops
$184United Airlines
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Τρι, Φεβ 25
1:30 pm - 11:15 pmSAN-DCA
6h 45m1 stop
$194American Airlines
Find Deal
Σαβ, Μαρ 22
10:25 pm - 9:20 amSAN-DCA
7h 55m1 stop
$203United Airlines
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Κυρ, Μαρ 16
9:10 am - 11:10 pmSAN-DCA
11h 00m2 stops
$204Southwest
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Παρ, Φεβ 21
10:10 pm - 8:35 amSAN-DCA
7h 25m1 stop
$210Delta
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Δευ, Ιουν 23
10:17 pm - 10:27 amSAN-DCA
9h 10m1 stop
$240Delta
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Κυρ, Μαρ 23
6:25 am - 12:06 pmSAN-DCA
26h 41m1 stop
6:00 pm - 12:20 amDCA-SAN
9h 20m1 stop
$221Frontier
Find Deal
Κυρ, Ιαν 26 - Τρι, Φεβ 25
6:25 am - 12:06 pmSAN-DCA
26h 41m1 stop
6:00 pm - 12:20 amDCA-SAN
9h 20m1 stop
$223Frontier
Find Deal
Κυρ, Ιαν 26 - Δευ, Φεβ 24
6:55 am - 6:00 pmSAN-DCA
8h 05m1 stop
6:00 am - 1:35 pmDCA-SAN
10h 35m2 stops
$447Southwest
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Κυρ, Ιαν 26 - Τρι, Φεβ 25
6:50 am - 6:40 pmSAN-DCA
8h 50m1 stop
1:55 pm - 7:55 pmDCA-SAN
9h 00m2 stops
$508Southwest
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Κυρ, Ιαν 26 - Δευ, Φεβ 24
7:43 pm - 1:40 pmSAN-DCA
14h 57m2 stops
6:00 am - 11:07 amDCA-SAN
8h 07m1 stop
$613United Airlines
Find Deal
Πεμ, Ιαν 23 - Τετ, Φεβ 12
6:15 am - 10:15 pmSAN-DCA
13h 00m2 stops
9:29 am - 10:37 pmDCA-SAN
16h 08m2 stops
$695Alaska Airlines
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Κυρ, Ιαν 26 - Τρι, Φεβ 25
6:15 am - 10:15 pmSAN-DCA
13h 00m2 stops
2:54 pm - 11:59 pmDCA-SAN
12h 05m2 stops
$763Alaska Airlines
Find Deal
Κυρ, Ιαν 26 - Δευ, Φεβ 24
7:43 pm - 11:31 amSAN-DCA
12h 48m2 stops
1:00 pm - 6:44 pmDCA-SAN
8h 44m1 stop
$798United Airlines
Find Deal
Πεμ, Ιαν 23 - Δευ, Ιαν 27
12:05 pm - 10:19 pmSAN-DCA
7h 14m1 stop
10:30 am - 5:00 pmDCA-SAN
9h 30m2 stops
$1,387Delta
Find Deal
Τετ, Ιαν 22 - Σαβ, Ιαν 25
6:25 am - 6:57 pmSAN-DCA
9h 32m2 stops
10:30 am - 5:00 pmDCA-SAN
9h 30m2 stops
$1,863Delta
Find Deal
Τετ, Ιαν 22 - Σαβ, Ιαν 25
2:10 pm - 9:55 pmSAN-DCA
4h 45mnonstop
8:00 am - 10:35 amDCA-SAN
5h 35mnonstop
$339Alaska Airlines
Find Deal
Πεμ, Απρ 3 - Τρι, Απρ 8
2:10 pm - 9:55 pmSAN-DCA
4h 45mnonstop
8:00 am - 10:35 amDCA-SAN
5h 35mnonstop
$369Alaska Airlines
Find Deal
Τρι, Απρ 1 - Τρι, Απρ 8
2:10 pm - 9:55 pmSAN-DCA
4h 45mnonstop
8:00 am - 10:35 amDCA-SAN
5h 35mnonstop
$469Alaska Airlines
Find Deal
Τετ, Μαρ 19 - Δευ, Μαρ 24
2:10 pm - 9:55 pmSAN-DCA
4h 45mnonstop
8:00 am - 10:35 amDCA-SAN
5h 35mnonstop
$499Alaska Airlines
Find Deal
Παρ, Μαρ 28 - Τετ, Απρ 2
2:10 pm - 9:55 pmSAN-DCA
4h 45mnonstop
8:00 am - 10:35 amDCA-SAN
5h 35mnonstop
$519Alaska Airlines
Find Deal
Πεμ, Απρ 3 - Κυρ, Απρ 6
1:05 pm - 9:10 pmSAN-DCA
5h 05mnonstop
8:35 am - 11:08 amDCA-SAN
5h 33mnonstop
$549Alaska Airlines
Find Deal
Σαβ, Μαϊ 17 - Τρι, Μαϊ 20
2:10 pm - 9:55 pmSAN-DCA
4h 45mnonstop
8:00 am - 10:35 amDCA-SAN
5h 35mnonstop
$589Alaska Airlines
Find Deal
Πεμ, Απρ 3 - Πεμ, Απρ 10
2:10 pm - 9:55 pmSAN-DCA
4h 45mnonstop
8:00 am - 10:35 amDCA-SAN
5h 35mnonstop
$599Alaska Airlines
Find Deal
Παρ, Μαρ 28 - Τετ, Απρ 9
2:10 pm - 9:55 pmSAN-DCA
4h 45mnonstop
8:00 am - 10:35 amDCA-SAN
5h 35mnonstop
$619Alaska Airlines
Find Deal
Τρι, Μαρ 25 - Πεμ, Απρ 10
2:10 pm - 9:55 pmSAN-DCA
4h 45mnonstop
8:00 am - 10:35 amDCA-SAN
5h 35mnonstop
$649Alaska Airlines
Find Deal
Παρ, Μαρ 28 - Δευ, Μαρ 31

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
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 4
SAN6:25 amSan Diego
12h 34m
1 stop
DCA9:59 pmWashington, D.C. Reagan-National
Mar 11
DCA7:00 amWashington, D.C. Reagan-National
7h 48m
1 stop
SAN11:48 amSan Diego
Frontier
May 17
SAN10:38 amSan Diego
8h 21m
1 stop
DCA9:59 pmWashington, D.C. Reagan-National
May 20
DCA6:00 pmWashington, D.C. Reagan-National
9h 13m
1 stop
SAN12:13 amSan Diego

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

Our best Southwest deals on San Diego to Washington, D.C. Reagan-National Airport flight tickets
Southwest
Apr 1
SAN6:40 amSan Diego
11h 10m
1 stop
DCA8:50 pmWashington, D.C. Reagan-National
Apr 8
DCA4:25 pmWashington, D.C. Reagan-National
9h 20m
2 stops
SAN10:45 pmSan Diego
Southwest
Feb 20
SAN6:50 amSan Diego
6h 10m
1 stop
DCA4:00 pmWashington, D.C. Reagan-National
Feb 25
DCA6:00 amWashington, D.C. Reagan-National
10h 35m
2 stops
SAN1:35 pmSan Diego
Southwest
Feb 21
SAN10:30 amSan Diego
8h 20m
1 stop
DCA9:50 pmWashington, D.C. Reagan-National
Feb 25
DCA6:00 amWashington, D.C. Reagan-National
10h 35m
2 stops
SAN1:35 pmSan 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 February is, on average, the cheapest month to fly to Washington, D.C. Reagan-National Airport from San Diego, with most prices found around $296. If you aren’t able to travel to Washington, D.C. Reagan-National Airport during the month of February, then flying in October is also cheap. Prices for this month can be found on momondo for an average of $317.

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 Tuesday. Travelers who choose to depart for Washington, D.C. Reagan-National Airport on a Tuesday will often find tickets for as low as $316. Flights from San Diego to Washington, D.C. Reagan-National Airport on a Sunday will generally be more expensive and average around $482. 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 $410.

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 23 weeks ahead of your departure date. In general, you can expect to find flights to Washington, D.C. Reagan-National Airport for around $375 when searching 23 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 $317 on momondo.

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

There are 1 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 January 2025, prices for San Diego to Washington, D.C. Reagan-National Airport flights are approximately 87% 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

$70

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 $70. 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 $129.
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
8,113 reviews
Search Spirit Airlines flights
FrontierPriceFrom $138Free CancellationRating
6.0
3,440 reviews
Search Frontier flights
Alaska AirlinesPriceFrom $194Free CancellationRating
8.0
9,696 reviews
Search Alaska Airlines flights
JetBluePriceFrom $235Free CancellationRating
7.4
3,201 reviews
Search JetBlue flights
United AirlinesPriceFrom $261Free CancellationRating
7.4
8,982 reviews
Search United Airlines flights
DeltaPriceFrom $276Free CancellationRating
8.0
8,521 reviews
Search Delta flights
American AirlinesPriceFrom $276Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
SouthwestPriceFrom $287Free CancellationRating
8.1
4,659 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 7 Southwest flights for this route in a normal week, average airfare is usually $540 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 8,982 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
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?

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.


An easier way to manage your Washington, D.C. Reagan-National Airport trip

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