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$57+ Cheap flights from Washington, D.C. (WAS) to San Juan

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 1/27. Fares are subject to change and may not be available on all flights or dates of travel.
WAS — SJU
Nov 19 — Nov 261
Tue 11/19
Tue 11/26
1 adult, Economy
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The best prices from Washington, D.C. to San Juan are usually found in April or September, booked 30 days in advance, depart on a Tuesday or Monday and return on a Thursday

Cheap flight deals from Washington, D.C. to San Juan

Discover tips and strategies to find the most affordable flight options for your journey from Washington, D.C. (WAS) to San Juan (PR1). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated November 14, 2024.

Popular in

December

Cheapest in

April

Round-trip from

$105
(eDestinos)

One-way from

$57
(Cheapflightsfares)
High demand for flights, 24% potential price rise
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From Washington, D.C. (WAS) to San Juan
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One-way flight from Washington, D.C. (WAS) to San Juan
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Find flight deals from Washington, D.C. to San Juan

Cheapest flights from Washington, D.C. to San Juan
Explore the most affordable flight options available from Washington, D.C. to San Juan. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 14, 2024.

This FlightHub deal was found by Cheapflights users on 11/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/93:52 pmBWI - SJU
Nonstop3h 48mMultiple Airlines
Thu 12/123:20 amSJU - BWI
1 stop8h 14mMultiple Airlines
Deal found 11/14$133
This Cheapflightsfares deal was found by Cheapflights users on 11/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/179:15 amBWI - SJU
Nonstop3h 49mSpirit Airlines
Fri 12/204:30 amSJU - BWI
Nonstop4h 07mSpirit Airlines
Deal found 11/14$134
This Cheapflightsfares deal was found by Cheapflights users on 11/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/113:52 pmBWI - SJU
Nonstop3h 48mFrontier
Tue 12/176:00 amSJU - BWI
Nonstop4h 07mFrontier
Deal found 11/14$135
This Frontier deal was found by Cheapflights users on 11/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/55:57 pmIAD - SJU
1 stop7h 43mFrontier
Tue 12/106:20 amSJU - IAD
1 stop6h 57mFrontier
Deal found 11/14$192
This Delta deal was found by Cheapflights users on 11/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/96:00 amIAD - SJU
1 stop7h 14mDelta
Thu 12/127:30 amSJU - IAD
1 stop9h 34mDelta
Deal found 11/14$238
This Delta deal was found by Cheapflights users on 11/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/95:00 pmDCA - SJU
1 stop7h 10mDelta
Wed 12/111:49 pmSJU - DCA
1 stop9h 46mDelta
Deal found 11/14$238
This JetBlue deal was found by Cheapflights users on 11/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/111:00 pmDCA - SJU
1 stop6h 54mJetBlue
Thu 12/196:55 pmSJU - DCA
Nonstop4h 04mJetBlue
Deal found 11/14$279
This United Airlines deal was found by Cheapflights users on 11/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/98:30 amIAD - SJU
Nonstop3h 47mUnited Airlines
Wed 12/115:50 pmSJU - IAD
Nonstop4h 00mUnited Airlines
Deal found 11/14$285
This American Airlines deal was found by Cheapflights users on 11/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/85:00 amIAD - SJU
1 stop5h 50mAmerican Airlines
Fri 12/136:25 amSJU - IAD
1 stop16h 59mAmerican Airlines
Deal found 11/14$291
This American Airlines deal was found by Cheapflights users on 11/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/74:50 pmDCA - SJU
1 stop6h 00mAmerican Airlines
Thu 12/124:40 pmSJU - DCA
1 stop6h 22mAmerican Airlines
Deal found 11/14$291
This United Airlines deal was found by Cheapflights users on 11/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/96:00 amDCA - SJU
1 stop7h 40mUnited Airlines
Tue 12/102:05 amSJU - DCA
1 stop8h 41mUnited Airlines
Deal found 11/14$294
This eDestinos deal was found by Cheapflights users on 11/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/67:00 amDCA - SJU
2 stops31h 15mMultiple Airlines
Sat 12/73:20 amSJU - DCA
2 stops33h 41mMultiple Airlines
Deal found 11/14$355

Find flights from Washington, D.C. to San Juan within your budget

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, Cheapflights users made 2,752,363 searches. Data last updated November 14, 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

BaltimoreSan Juan

BWI - SJU

BWISJU

Baltimore/Washington

Mon 12/9

3:52 pm-8:40 pm

Nonstop3h 48m

San Juan Luis Munoz Marin Intl

Sun 12/15

3:20 am-10:34 am

1 stop8h 14m

$133

BaltimoreSan Juan

BWI - SJU

BWISJU

Baltimore/Washington

Thu 2/20

10:52 pm-3:50 am

Nonstop3h 58m

San Juan Luis Munoz Marin Intl

Sun 2/23

4:50 am-7:47 am

Nonstop3h 57m

$140

BaltimoreSan Juan

BWI - SJU

BWISJU

Baltimore/Washington

Fri 1/3

7:13 pm-12:41 am

1 stop28h 28m

San Juan Luis Munoz Marin Intl

Sat 1/11

7:12 pm-8:55 am

1 stop14h 43m

$147

Washington, D.C.San Juan

IAD - SJU

IADSJU

Washington, D.C. Dulles Intl

Fri 1/17

12:58 pm-12:44 am

1 stop10h 46m

San Juan Luis Munoz Marin Intl

Sat 1/25

8:00 am-8:16 am

1 stop25h 16m

$184

Washington, D.C.San Juan

DCA - SJU

DCASJU

Washington, D.C. Reagan-National

Mon 1/20

3:59 pm-12:04 am

1 stop7h 05m

San Juan Luis Munoz Marin Intl

Fri 1/24

12:35 pm-8:55 pm

1 stop9h 20m

$238

Washington, D.C.San Juan

DCA - SJU

DCASJU

Washington, D.C. Reagan-National

Wed 12/11

11:33 am-8:54 pm

1 stop8h 21m

San Juan Luis Munoz Marin Intl

Thu 12/19

6:55 pm-9:59 pm

Nonstop4h 04m

$279

Washington, D.C.San Juan

IAD - SJU

IADSJU

Washington, D.C. Dulles Intl

Sat 12/7

6:00 am-2:40 pm

1 stop7h 40m

San Juan Luis Munoz Marin Intl

Fri 12/13

5:50 pm-8:50 pm

Nonstop4h 00m

$290

Washington, D.C.San Juan

DCA - SJU

DCASJU

Washington, D.C. Reagan-National

Sun 12/8

6:00 am-5:15 pm

1 stop10h 15m

San Juan Luis Munoz Marin Intl

Sat 12/14

7:30 am-3:00 pm

1 stop8h 30m

$293

Washington, D.C.San Juan

IAD - SJU

IADSJU

Washington, D.C. Dulles Intl

Sat 12/7

5:14 pm-12:59 am

1 stop6h 45m

San Juan Luis Munoz Marin Intl

Wed 12/11

3:25 pm-11:25 pm

1 stop9h 00m

$294

Washington, D.C.San Juan

DCA - SJU

DCASJU

Washington, D.C. Reagan-National

Sat 12/7

4:00 pm-12:36 am

1 stop7h 36m

San Juan Luis Munoz Marin Intl

Tue 12/10

2:05 am-10:29 am

1 stop9h 24m

$294

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/12

Showing 1-10 of 35 results
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Best time to book a flight from Washington, D.C. to San Juan

Have a flexible travel schedule? Discover the best time to fly to San Juan from Washington, D.C. with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Travel insights for flights from Washington, D.C. to San Juan

Get recent, data-driven insights about flights from Washington, D.C. to San Juan including ideal travel times, pricing trends, and more.

How far ahead should I book a flight from Washington, D.C. to San Juan?

Use this chart to determine the optimal time to book a round-trip flight from Washington, D.C. to San Juan. Price data was last updated on November 8, 2024.

To ensure you get the cheapest price possible for a flight from Washington, D.C. to San Juan, you should look to book at least 30 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

What is the cheapest month to book a flight from Washington, D.C. to San Juan?

Currently, September is the cheapest month in which you can book a flight from Washington, D.C. to San Juan (average of $254). Flying from Washington, D.C. to San Juan in March is currently the most expensive (average of $335). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from WAS to SJU?

Find hourly flight availability from Washington, D.C. to San Juan. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated November 14, 2024.

A simple way to save on the total cost of your ticket is to fly from Washington, D.C. to San Juan in the evening. If you’re flexible enough to do this you can expect to save up to 45% on your trip compared to booking a flight in the morning.

What is the cheapest day to fly from Washington, D.C. to San Juan?

Use this chart to determine the cheapest time to fly round-trip from Washington, D.C. to San Juan. Price data was last updated on November 10, 2024.

Travelers seeking maximum savings on their Washington, D.C. to San Juan flight should consider departing on Monday evenings when fares are most often at their lowest. Friday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

Weekly flight availability from Washington, D.C. to San Juan

Explore weekly flight availability from Washington, D.C. to San Juan. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated November 14, 2024.

The most flights from WAS to PR1 are scheduled on a Monday (3 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (2 on average).

Rainfall in San Juan by month

Plan your trip to San Juan by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in San Juan ranges from 2.2 - 6.1 inches per month. November is typically the wettest month, when rainfall can reach 6.1 in. February is typically the driest time to visit San Juan when rainfall is around 2.2 in.

Temperature in San Juan by month

Plan your trip to San Juan by taking into account the average temperature totals by month.

If weather is an important factor for your trip to San Juan, use this chart to help with planning. For those seeking warmer temperatures, June is the ideal time of year to visit, when temperatures reach an average of 82.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 77.0 F).

Reviews of airlines servicing San Juan

Get insights into the airlines that provide service to San Juan. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to San Juan. Reviews last updated November 14, 2024.
See what other customers who have flown with American Airlines, Delta and United Airlines from Washington, D.C. to San Juan have to say. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.1
Very good
5,045 reviews

Comfort

8.1

Boarding

8.3

Overall

8.1

Crew

8.7

Entertainment

7.7

Food

7.2

Reviews

1 / 10

Great service throughout our flight. Easy boarding with early bird check in

Southwest
8.1
Very good
5,045 reviews
Southwest
8.1
Very good
5,045 reviews

Comfort

8.1

Boarding

8.3

Overall

8.1

Crew

8.7

Entertainment

7.7

Food

7.2

Reviews

1 / 10

Great service throughout our flight. Easy boarding with early bird check in

Alaska Airlines
8.0
Very good
9,439 reviews
Southwest
8.1
Very good
5,045 reviews

Comfort

8.1

Boarding

8.3

Overall

8.1

Crew

8.7

Entertainment

7.7

Food

7.2

Reviews

1 / 10

Great service throughout our flight. Easy boarding with early bird check in

Delta
8.0
Very good
8,788 reviews
Southwest
8.1
Very good
5,045 reviews

Comfort

8.1

Boarding

8.3

Overall

8.1

Crew

8.7

Entertainment

7.7

Food

7.2

Reviews

1 / 10

Great service throughout our flight. Easy boarding with early bird check in

JetBlue
7.5
Good
3,447 reviews
Southwest
8.1
Very good
5,045 reviews

Comfort

8.1

Boarding

8.3

Overall

8.1

Crew

8.7

Entertainment

7.7

Food

7.2

Reviews

1 / 10

Great service throughout our flight. Easy boarding with early bird check in

United Airlines
7.4
Good
9,194 reviews
Southwest
8.1
Very good
5,045 reviews

Comfort

8.1

Boarding

8.3

Overall

8.1

Crew

8.7

Entertainment

7.7

Food

7.2

Reviews

1 / 10

Great service throughout our flight. Easy boarding with early bird check in

Related info for your journey

Find useful and relevant information for your journey from Washington, D.C. to San Juan. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What are the cheapest airlines flying from Washington, D.C. to San Juan round-trip?

    Our cheapest airline available from Washington, D.C. to San Juan is Frontier. Our recent data shows that you can find tickets from as low as $105 on this airline. Additional options worth looking into are Spirit Airlines and Delta, starting at $113 and $238 round-trip. Frontier is currently priced 69% below the average price you’ll pay for this route.

  • What are the cheapest airlines to fly from Washington, D.C. to San Juan one-way?

    To fly one-way, consider booking your trip with Frontier, which is currently one of the cheapest options available, starting at $57. Spirit Airlines flights start at $63 while deals on Delta start at $119 one-way.

  • What are the most popular routes from Washington, D.C. to San Juan?

    The most popular flight routes from Washington, D.C. to San Juan are Washington, D.C. Dulles Intl - San Juan Luis Munoz Marin Intl, Baltimore/Washington - San Juan Luis Munoz Marin Intl and Washington, D.C. Reagan-National - San Juan Luis Munoz Marin Intl.

  • What are the cheapest flights from Washington, D.C. to San Juan?

    The cheapest flight price from Washington, D.C. to San Juan is $167. On average you can expect to pay $1,089. The most popular route, (Washington, D.C. Dulles Intl - San Juan Luis Munoz Marin Intl), can usually be booked for $121.

  • Where are the most common layover locations when flying from Washington, D.C. to San Juan?

    Washington, D.C. to San Juan flights have a layover in Orlando most of the time. Washington, D.C. to San Juan flights stop in Fort Lauderdale the next most.

  • What are some popular things to do or see while on a layover in Orlando?

    Most Orlando visitors opt to spend their time experiencing Walt Disney World Resort, Universal Orlando Resort, and International Drive. Walt Disney World Resort, Universal Orlando Resort, and International Drive are located about 16.2 mi, 10.3 mi, and 9.9 mi, respectively from Orlando. Travelers in need of a car in Orlando can rent one for about $31 per day.

  • What are some popular points of interest to see during a layover in Fort Lauderdale?

    Fort Lauderdale travelers tend to visit Las Olas Beach, Port Everglades, and Fort Lauderdale Beach Park more than any other notable places. Las Olas Beach, Port Everglades, and Fort Lauderdale Beach Park are located about 4.1 mi, 2.1 mi, and 4.2 mi, respectively from Fort Lauderdale. Travelers can book a car rental at Fort Lauderdale for about $29 per day to make their sightseeing more efficient.

  • Where are the least popular layover locations for Washington, D.C. to San Juan flights?

    Flights departing from Washington, D.C. and landing in San Juan layover in Boston least frequently.

  • Can I find deals for flights from Washington, D.C. to San Juan that include hotel bookings?

    Yes. In addition to deals on Washington, D.C. to San Juan flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Washington, D.C. to San Juan?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Washington, D.C. to San Juan.

  • Can I find deals for business class flights from Washington, D.C. to San Juan?

    Yes. Cheapflights offers flight deals from Washington, D.C. to San Juan by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Washington, D.C. to San Juan?

    Currently, September is the cheapest month in which you can book a flight from Washington, D.C. to San Juan (average of $254). Flying from Washington, D.C. to San Juan in March is currently the most expensive (average of $335). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Top 7 airlines flying from Washington, D.C. to San Juan

Discover the top 7 airlines that operate flights from Washington, D.C. to San Juan. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,752,363 searches. Data last updated November 14, 2024.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$86Average$299FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$96Average$255FlexibilityNo cancel feeOn-time65%
JetBlueCheapest$108Average$375FlexibilityNo cancel feeOn-time62%
DeltaCheapest$234Average$397FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$252Average$493FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$266Average$620FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$305Average$512FlexibilityNo cancel feeOn-time63%
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