Cheap flights from Washington, D.C. to San Juan from $76

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Washington, D.C. to San Juan departing on 4/23. 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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0 bags

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Cheap round-trip flights

Enter your travel dates to find the best prices.
Spirit Airlines Logo
6:00 am - 10:47 am
BWI
-
SJU
3h 47mnonstop
Spirit Airlines Logo
8:11 pm - 12:20 am
SJU
-
BWI
4h 09mnonstop
$157Spirit Airlines
Wed, Mar 4 - Wed, Mar 11
Multiple Airlines Logo
9:43 pm - 2:25 am
BWI
-
SJU
3h 42mnonstop
Multiple Airlines Logo
9:11 pm - 12:20 am
SJU
-
BWI
4h 09mnonstop
$158Multiple Airlines
Sat, Feb 14 - Sat, Feb 21
Spirit Airlines Logo
6:00 am - 10:47 am
BWI
-
SJU
3h 47mnonstop
Spirit Airlines Logo
9:11 pm - 12:20 am
SJU
-
BWI
4h 09mnonstop
$159Spirit Airlines
Mon, Feb 23 - Wed, Feb 25
Frontier Logo
6:50 pm - 10:40 pm
BWI
-
SJU
3h 50mnonstop
Frontier Logo
1:43 pm - 5:55 pm
SJU
-
BWI
4h 12mnonstop
$160Frontier
Thu, May 7 - Mon, May 11
Spirit Airlines Logo
6:00 am - 10:47 am
BWI
-
SJU
3h 47mnonstop
Spirit Airlines Logo
9:11 pm - 12:20 am
SJU
-
BWI
4h 09mnonstop
$162Spirit Airlines
Wed, Feb 18 - Fri, Feb 27
Frontier Logo
6:50 pm - 10:40 pm
BWI
-
SJU
3h 50mnonstop
Frontier Logo
7:15 am - 6:59 pm
SJU
-
BWI
11h 44m
1 stop
$163Frontier
Sun, Apr 26 - Mon, May 4
Multiple Airlines Logo
9:43 pm - 2:25 am
BWI
-
SJU
3h 42mnonstop
Multiple Airlines Logo
9:11 pm - 12:20 am
SJU
-
BWI
4h 09mnonstop
$164Multiple Airlines
Sat, Feb 21 - Tue, Feb 24
Delta Logo
6:59 am - 5:27 pm
DCA
-
SJU
9h 28m
1 stop
Delta Logo
6:15 am - 5:00 pm
SJU
-
DCA
11h 45m
1 stop
$232Delta
Mon, Feb 23 - Thu, Feb 26
JetBlue Logo
8:00 am - 12:46 pm
DCA
-
SJU
3h 46mnonstop
JetBlue Logo
6:59 pm - 9:59 pm
SJU
-
DCA
4h 00mnonstop
$238JetBlue
Tue, Feb 24 - Tue, Feb 24
JetBlue Logo
8:00 am - 12:46 pm
DCA
-
SJU
3h 46mnonstop
JetBlue Logo
6:59 pm - 9:59 pm
SJU
-
DCA
4h 00mnonstop
$239JetBlue
Wed, Feb 25 - Wed, Mar 4

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

Our best Spirit Airlines deals on Washington, D.C. to San Juan flight tickets
Spirit Airlines
Mar 4
BWI6:00 amBaltimore/Washington
3h 47m
SJU10:47 amSan Juan Luis Munoz Marin Intl
Mar 11
SJU8:11 pmSan Juan Luis Munoz Marin Intl
4h 09m
BWI12:20 amBaltimore/Washington
$157
Spirit Airlines
Feb 23
BWI6:20 amBaltimore/Washington
8h 11m
1 stop
SJU3:31 pmSan Juan Luis Munoz Marin Intl
Feb 25
SJU9:11 pmSan Juan Luis Munoz Marin Intl
4h 09m
BWI12:20 amBaltimore/Washington
$159
Spirit Airlines
Feb 10
BWI6:00 amBaltimore/Washington
3h 47m
SJU10:47 amSan Juan Luis Munoz Marin Intl
Feb 14
SJU4:36 pmSan Juan Luis Munoz Marin Intl
7h 55m
1 stop
BWI11:31 pmBaltimore/Washington
$161

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

Our best Frontier deals on Washington, D.C. to San Juan flight tickets
Frontier
May 7
BWI6:50 pmBaltimore/Washington
3h 50m
SJU10:40 pmSan Juan Luis Munoz Marin Intl
May 11
SJU1:43 pmSan Juan Luis Munoz Marin Intl
4h 12m
BWI5:55 pmBaltimore/Washington
$160
Frontier
May 10
BWI10:00 pmBaltimore/Washington
11h 54m
1 stop
SJU9:54 amSan Juan Luis Munoz Marin Intl
May 14
SJU1:43 pmSan Juan Luis Munoz Marin Intl
4h 12m
BWI5:55 pmBaltimore/Washington
$163
Frontier
Feb 14
BWI9:43 pmBaltimore/Washington
3h 42m
SJU2:25 amSan Juan Luis Munoz Marin Intl
Feb 21
SJU7:05 amSan Juan Luis Munoz Marin Intl
12h 19m
1 stop
BWI6:24 pmBaltimore/Washington
$164

momondo Fare Finder

 
Customize your flight search to find flights from Washington, D.C. to San Juan 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 8, 2026.
Use the filters below to find and compare flights from Washington, D.C. to San Juan that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

BaltimoreSan Juan

BWI - SJU

BWISJU

Baltimore/Washington

Wed 3/4

6:00 am-10:47 am

Nonstop3h 47m

San Juan Luis Munoz Marin Intl

Wed 3/11

8:11 pm-12:20 am

Nonstop4h 09m

$157

BaltimoreSan Juan

BWI - SJU

BWISJU

Baltimore/Washington

Sat 2/14

9:43 pm-2:25 am

Nonstop3h 42m

San Juan Luis Munoz Marin Intl

Sat 2/21

9:11 pm-12:20 am

Nonstop4h 09m

$158

BaltimoreSan Juan

BWI - SJU

BWISJU

Baltimore/Washington

Mon 2/23

6:00 am-10:47 am

Nonstop3h 47m

San Juan Luis Munoz Marin Intl

Wed 2/25

9:11 pm-12:20 am

Nonstop4h 09m

$159

BaltimoreSan Juan

BWI - SJU

BWISJU

Baltimore/Washington

Thu 5/7

6:50 pm-10:40 pm

Nonstop3h 50m

San Juan Luis Munoz Marin Intl

Mon 5/11

1:43 pm-5:55 pm

Nonstop4h 12m

$160

BaltimoreSan Juan

BWI - SJU

BWISJU

Baltimore/Washington

Wed 2/18

6:00 am-10:47 am

Nonstop3h 47m

San Juan Luis Munoz Marin Intl

Fri 2/27

9:11 pm-12:20 am

Nonstop4h 09m

$162

BaltimoreSan Juan

BWI - SJU

BWISJU

Baltimore/Washington

Sun 4/26

6:50 pm-10:40 pm

Nonstop3h 50m

San Juan Luis Munoz Marin Intl

Mon 5/4

7:15 am-6:59 pm

1 stop11h 44m

$163

BaltimoreSan Juan

BWI - SJU

BWISJU

Baltimore/Washington

Sat 2/21

9:43 pm-2:25 am

Nonstop3h 42m

San Juan Luis Munoz Marin Intl

Tue 2/24

9:11 pm-12:20 am

Nonstop4h 09m

$164

Washington, D.C.San Juan

DCA - SJU

DCASJU

Washington, D.C. Reagan-National

Mon 2/23

6:59 am-5:27 pm

1 stop9h 28m

San Juan Luis Munoz Marin Intl

Thu 2/26

6:15 am-5:00 pm

1 stop11h 45m

$232

Washington, D.C.San Juan

DCA - SJU

DCASJU

Washington, D.C. Reagan-National

Tue 2/24

8:00 am-12:46 pm

Nonstop3h 46m

San Juan Luis Munoz Marin Intl

Tue 2/24

6:59 pm-9:59 pm

Nonstop4h 00m

$238

Washington, D.C.San Juan

DCA - SJU

DCASJU

Washington, D.C. Reagan-National

Wed 2/25

8:00 am-12:46 pm

Nonstop3h 46m

San Juan Luis Munoz Marin Intl

Wed 3/4

6:59 pm-9:59 pm

Nonstop4h 00m

$239

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 San Juan from

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

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 typical price of a round-trip flight between Washington, D.C. and San Juan?

What is the cheapest month to fly to San Juan?

If you’re not able to fly to San Juan in July, then March is your next best option. Flight prices from Washington, D.C. to San Juan during March average around $301.

What is the cheapest day to depart on your flight to San Juan?

The cheapest day to depart from Washington, D.C. to San Juan is on a Sunday when prices can be found for as low as $356. The most expensive day to fly to San Juan is Saturday, with ticket prices averaging around $445.

What is the cheapest time of day to depart on your flight to San Juan?

The cheapest time of day to fly to San Juan is at noon when flights can be purchased for as low as $238. If you have a flexible travel schedule, then try to avoid flying in the afternoon when prices are $437 on average. Flights to San Juan from Washington, D.C. in the afternoon are generally more expensive because this time of day is more convenient for travelers’ schedules.

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

Fly from Washington, D.C. Dulles Intl to San Juan Luis Munoz Marin Intl for the best Washington, D.C. - San Juan flight prices

How far in advance should I book a flight to San Juan?

You are more likely to see cheaper flights to San Juan from Washington, D.C. when booking weeks ahead of your departure date. In general, you can expect to find flights to San Juan for around $395 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to San Juan from Washington, D.C. for as low as $328 on momondo.

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

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

Cheap Washington, D.C. to San Juan flight deals and tips

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

Fastest flight time

3h 39m

Direct flights

Every day

Airports in San Juan

2 airports
The fastest flight from Washington, D.C. to San Juan takes 3h 39m
Direct flights go from Washington, D.C. to San Juan every day.
There are 2 airports in San Juan. From Washington, D.C. there are direct flights to San Juan Luis Munoz Marin Intl (SJU).
  • How far is Washington, D.C. to San Juan by plane?

    A flight from Washington, D.C. to San Juan will travel around 1555.8 mi. 3h 39m is a normal flight duration for this route.

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

    Prices for flights from Washington, D.C. to San Juan are refreshed on a daily basis.

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

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

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Washington, D.C. to San Juan.

  • What documentation or ID do you need to fly to San Juan?

    The travel and health documents required for your trip to San Juan 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 San Juan. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

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

Compare and see reviews for airlines that fly from Washington, D.C. to San Juan with momondo
Airline
Rating
Free Cancellation
Price
FrontierPriceFrom $89Free CancellationRating
5.7
3,052 reviews
Search Frontier flights
Spirit AirlinesPriceFrom $103Free CancellationRating
6.3
8,430 reviews
Search Spirit Airlines flights
DeltaPriceFrom $136Free CancellationRating
7.9
8,172 reviews
Search Delta flights
JetBluePriceFrom $156Free CancellationRating
7.2
2,896 reviews
Search JetBlue flights
American AirlinesPriceFrom $219Free CancellationRating
7.2
11,249 reviews
Search American Airlines flights
SouthwestPriceFrom $220Free CancellationRating
8.0
4,280 reviews
Search Southwest flights
United AirlinesPriceFrom $235Free CancellationRating
7.4
9,254 reviews
Search United Airlines flights

Why use momondo?

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Washington, D.C. to San Juan. momondo saves you time and could save you money on your trip.

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

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

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

Once you have performed a search for Washington, D.C. to San Juan 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 Washington, D.C. to San Juan right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of Washington, D.C. to San Juan 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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1 adult
Tue 3/10
Tue 3/17

Find better results for your trip to Puerto Rico

Fly into one of these airports located in San Juan

Airports listed have a maximum distance of 7.1 mi from San Juan