Cheap flights from Washington, D.C. to Puerto Rico from $85

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 Puerto Rico departing on 10/19. 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

Discover deals from 900+ travel sites with momondo.

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 Washington, D.C. to Puerto Rico

Cheap round-trip flights

Frontier Logo
7:26 pm - 12:18 amIAD-SJU
3h 52mnonstop
Frontier Logo
3:45 pm - 6:41 pmSJU-IAD
3h 56mnonstop
$168Frontier
Find Deal
Sun, Nov 9 - Thu, Nov 13
Spirit Airlines Logo
5:30 am - 2:17 pmBWI-SJU
8h 47m1 stop
Spirit Airlines Logo
7:05 am - 11:05 amSJU-BWI
4h 00mnonstop
$177Spirit Airlines
Find Deal
Sun, Sep 28 - Thu, Oct 2
Spirit Airlines Logo
8:42 pm - 12:36 amBWI-SJU
3h 54mnonstop
Spirit Airlines Logo
7:05 am - 11:08 amSJU-BWI
4h 03mnonstop
$180Spirit Airlines
Find Deal
Sun, Oct 19 - Thu, Oct 23
Frontier Logo
7:26 pm - 12:18 amIAD-SJU
3h 52mnonstop
Frontier Logo
3:45 pm - 6:41 pmSJU-IAD
3h 56mnonstop
$181Frontier
Find Deal
Sun, Nov 2 - Sun, Nov 9
JetBlue Logo
8:30 am - 12:15 pmDCA-SJU
3h 45mnonstop
JetBlue Logo
6:07 pm - 9:59 pmSJU-DCA
3h 52mnonstop
$219JetBlue
Find Deal
Tue, Oct 14 - Thu, Oct 16
JetBlue Logo
8:30 am - 12:15 pmDCA-SJU
3h 45mnonstop
JetBlue Logo
6:04 am - 3:02 pmSJU-DCA
8h 58m1 stop
$229JetBlue
Find Deal
Mon, Oct 20 - Thu, Oct 23
Delta Logo
6:00 am - 2:10 pmIAD-SJU
7h 10m1 stop
Delta Logo
3:20 pm - 11:03 pmSJU-IAD
8h 43m1 stop
$245Delta
Find Deal
Tue, Nov 11 - Tue, Nov 18
Delta Logo
6:06 am - 2:10 pmDCA-SJU
7h 04m1 stop
Delta Logo
3:32 pm - 9:40 pmSJU-DCA
7h 08m1 stop
$245Delta
Find Deal
Mon, Dec 8 - Tue, Dec 9
United Airlines Logo
10:05 am - 11:57 pmBWI-BQN
12h 52m2 stops
United Airlines Logo
1:09 am - 2:11 pmBQN-BWI
14h 02m2 stops
$285United Airlines
Find Deal
Sun, Jan 18 - Wed, Jan 21
United Airlines Logo
10:30 am - 11:57 pmDCA-BQN
12h 27m2 stops
United Airlines Logo
1:09 am - 8:19 amBQN-DCA
8h 10m1 stop
$285United Airlines
Find Deal
Sun, Jan 18 - Wed, Jan 21

Spirit Airlines flights from Washington, D.C. to Puerto Rico

Our best Spirit Airlines deals on Washington, D.C. to Puerto Rico flight tickets
Spirit Airlines
Sep 28
BWI5:30 amBaltimore/Washington
8h 47m
1 stop
SJU2:17 pmSan Juan Luis Munoz Marin Intl
Oct 2
SJU7:05 amSan Juan Luis Munoz Marin Intl
4h 00m
BWI11:05 amBaltimore/Washington
Spirit Airlines
Oct 19
BWI8:42 pmBaltimore/Washington
3h 54m
SJU12:36 amSan Juan Luis Munoz Marin Intl
Oct 23
SJU7:05 amSan Juan Luis Munoz Marin Intl
4h 03m
BWI11:08 amBaltimore/Washington
Spirit Airlines
Oct 2
BWI8:42 pmBaltimore/Washington
4h 01m
SJU12:43 amSan Juan Luis Munoz Marin Intl
Oct 6
SJU2:49 amSan Juan Luis Munoz Marin Intl
9h 51m
1 stop
BWI12:40 pmBaltimore/Washington

JetBlue flights from Washington, D.C. to Puerto Rico

Our best JetBlue deals on Washington, D.C. to Puerto Rico flight tickets
JetBlue
Oct 14
DCA8:30 amWashington, D.C. Reagan-National
3h 45m
SJU12:15 pmSan Juan Luis Munoz Marin Intl
Oct 16
SJU6:07 pmSan Juan Luis Munoz Marin Intl
3h 52m
DCA9:59 pmWashington, D.C. Reagan-National
JetBlue
Oct 20
DCA8:30 amWashington, D.C. Reagan-National
3h 45m
SJU12:15 pmSan Juan Luis Munoz Marin Intl
Oct 23
SJU6:04 amSan Juan Luis Munoz Marin Intl
8h 58m
1 stop
DCA3:02 pmWashington, D.C. Reagan-National
JetBlue
Dec 9
DCA8:00 amWashington, D.C. Reagan-National
3h 51m
SJU12:51 pmSan Juan Luis Munoz Marin Intl
Dec 9
SJU6:51 pmSan Juan Luis Munoz Marin Intl
3h 57m
DCA9:48 pmWashington, D.C. Reagan-National

momondo Fare Finder

 
Customize your flight search to find flights from Washington, D.C. to Puerto Rico 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 September 16, 2025.
Use the filters below to find and compare flights from Washington, D.C. to Puerto Rico that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Washington, D.C.San Juan

IAD - SJU

IADSJU

Washington, D.C. Dulles Intl

Sun 11/9

7:26 pm-12:18 am

Nonstop3h 52m

San Juan Luis Munoz Marin Intl

Thu 11/13

3:45 pm-6:41 pm

Nonstop3h 56m

$168

BaltimoreSan Juan

BWI - SJU

BWISJU

Baltimore/Washington

Sun 9/28

5:30 am-2:17 pm

1 stop8h 47m

San Juan Luis Munoz Marin Intl

Thu 10/2

7:05 am-11:05 am

Nonstop4h 00m

$177

BaltimoreSan Juan

BWI - SJU

BWISJU

Baltimore/Washington

Sun 10/19

8:42 pm-12:36 am

Nonstop3h 54m

San Juan Luis Munoz Marin Intl

Thu 10/23

7:05 am-11:08 am

Nonstop4h 03m

$180

Washington, D.C.San Juan

IAD - SJU

IADSJU

Washington, D.C. Dulles Intl

Sun 11/2

7:26 pm-12:18 am

Nonstop3h 52m

San Juan Luis Munoz Marin Intl

Sun 11/9

3:45 pm-6:41 pm

Nonstop3h 56m

$181

Washington, D.C.San Juan

DCA - SJU

DCASJU

Washington, D.C. Reagan-National

Tue 10/14

8:30 am-12:15 pm

Nonstop3h 45m

San Juan Luis Munoz Marin Intl

Thu 10/16

6:07 pm-9:59 pm

Nonstop3h 52m

$219

Washington, D.C.San Juan

DCA - SJU

DCASJU

Washington, D.C. Reagan-National

Mon 10/20

8:30 am-12:15 pm

Nonstop3h 45m

San Juan Luis Munoz Marin Intl

Thu 10/23

6:04 am-3:02 pm

1 stop8h 58m

$229

Washington, D.C.San Juan

IAD - SJU

IADSJU

Washington, D.C. Dulles Intl

Tue 11/11

6:00 am-2:10 pm

1 stop7h 10m

San Juan Luis Munoz Marin Intl

Tue 11/18

3:20 pm-11:03 pm

1 stop8h 43m

$245

Washington, D.C.San Juan

DCA - SJU

DCASJU

Washington, D.C. Reagan-National

Mon 12/8

6:06 am-2:10 pm

1 stop7h 04m

San Juan Luis Munoz Marin Intl

Tue 12/9

3:32 pm-9:40 pm

1 stop7h 08m

$245

BaltimoreAguadilla

BWI - BQN

BWIBQN

Baltimore/Washington

Sun 1/18

10:05 am-11:57 pm

2 stops12h 52m

Aguadilla Borinquen

Wed 1/21

1:09 am-2:11 pm

2 stops14h 02m

$285

Washington, D.C.Aguadilla

DCA - BQN

DCABQN

Washington, D.C. Reagan-National

Sun 1/18

10:30 am-11:57 pm

2 stops12h 27m

Aguadilla Borinquen

Wed 1/21

1:09 am-8:19 am

1 stop8h 10m

$285

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

See travel insights to Puerto Rico from

How to get the cheapest flight ticket from Washington, D.C. to Puerto Rico

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 Puerto Rico?

If you don’t want to visit Puerto Rico in July, then you should wait until March to fly from Washington, D.C., when ticket prices are also cheap, with an average price of $294.

What is the cheapest day to depart on your flight to Puerto Rico?

On average, the least expensive day to fly to Puerto Rico from Washington, D.C. is on a Tuesday. momondo users have found tickets for Tuesday departures for as low as $327. However, this price may fluctuate depending on the airline, the season, and holidays. The most expensive day to fly to Puerto Rico is Friday, with ticket prices averaging around $547.

What is the cheapest time of day to depart on your flight to Puerto Rico?

Our most recent data shows that the best time of day to fly to Puerto Rico is at noon. Flights from Washington, D.C. to Puerto Rico during this time can be as low as $238. In contrast, the most expensive time of day to depart to Puerto Rico is in the evening when prices are around $576.

What is the cheapest Washington, D.C. to Puerto Rico flight route?

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

How far in advance should I book a flight to Puerto Rico?

You are more likely to see cheaper flights to Puerto Rico from Washington, D.C. when booking weeks ahead of your departure date. In general, you can expect to find flights to Puerto Rico for around $431 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Puerto Rico from Washington, D.C. for as low as $353 on momondo.

What cabin class options are available on Washington, D.C. to Puerto Rico flights?

There are 4 cabin classes available to choose from on Washington, D.C. to Puerto Rico 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 Washington, D.C. to Puerto Rico flights?

No. A direct flight is the cheapest option for a flight between Washington, D.C. to Puerto Rico.

Cheap Washington, D.C. to Puerto Rico flight deals and tips

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

Best Price Found

$141

Fastest flight time

3h 40m

Direct flights

Every day

Airports in Puerto Rico

1 airport
The best one-way flight to Puerto Rico from Washington, D.C. in the past 72 hours is $141. The best round-trip flight deal from Washington, D.C. to Puerto Rico found on momondo in the last 72 hours is $271.
The fastest flight from Washington, D.C. to Puerto Rico takes 3h 40m
Direct flights go from Washington, D.C. to Puerto Rico every day.
There is 1 airport near Puerto Rico: San Juan Luis Munoz Marin Intl (SJU)
  • When did momondo last update prices for flights from Washington, D.C. to Puerto Rico?

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

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

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

    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 Puerto Rico.

  • What documentation or ID do you need to fly to Puerto Rico?

    The travel and health documents required for your trip to Puerto Rico 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 Puerto Rico. 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 Washington, D.C. to Puerto Rico?

Best airlines flying from Washington, D.C. to Puerto Rico

Compare and see reviews for airlines that fly from Washington, D.C. to Puerto Rico with momondo
Airline
Rating
Free Cancellation
Price
FrontierPriceFrom $68Free CancellationRating
5.8
3,174 reviews
Search Frontier flights
Spirit AirlinesPriceFrom $98Free CancellationRating
6.3
8,019 reviews
Search Spirit Airlines flights
American AirlinesPriceFrom $145Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
DeltaPriceFrom $164Free CancellationRating
7.9
7,957 reviews
Search Delta flights
JetBluePriceFrom $168Free CancellationRating
7.2
2,914 reviews
Search JetBlue flights
United AirlinesPriceFrom $199Free CancellationRating
7.4
8,924 reviews
Search United Airlines flights
SouthwestPriceFrom $220Free CancellationRating
8.0
4,242 reviews
Search Southwest flights

Why use momondo?

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

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Washington, D.C. to Puerto Rico for you.

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

Flights from Washington, D.C. to Puerto Rico 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 Washington, D.C. to Puerto Rico?

Once all potential Washington, D.C. to Puerto Rico 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 Washington, D.C. to Puerto Rico right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to Puerto Rico from Washington, D.C.. 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 Puerto Rico 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
Thu 10/16
Thu 10/23

Find better results for your trip to Puerto Rico

Popular cities in Puerto Rico

Popular flights according to clicks in the last 7 days on momondo