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$135+ Cheap flights from Washington 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 12/10. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — SJU
Nov 26 — Dec 31
Tue 11/26
Tue 12/3
1 adult, Economy
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Cheap flight deals from Washington to San Juan

Discover tips and strategies to find the most affordable flight options for your journey from Washington (USWA) 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 21, 2024.

Find flight deals from Washington to San Juan

Cheapest flights from Washington to San Juan
Explore the most affordable flight options available from Washington to San Juan. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 21, 2024.

This FlightHub deal was found by Cheapflights users on 11/20. 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.
Wed 12/44:00 pmSEA - SJU
2 stops25h 49mSpirit Airlines
Sat 12/142:17 pmSJU - SEA
2 stops25h 38mSpirit Airlines
Deal found 11/20$374
This Mytrip deal was found by Cheapflights users on 11/20. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/115:15 amSEA - SJU
3 stops32h 28mMultiple Airlines
Wed 12/182:44 pmSJU - SEA
3 stops35h 59mMultiple Airlines
Deal found 11/20$376
This United Airlines deal was found by Cheapflights users on 11/20. 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.
Wed 12/115:00 amSEA - SJU
1 stop9h 25mUnited Airlines
Mon 1/272:05 amSJU - SEA
1 stop13h 11mUnited Airlines
Deal found 11/20$430
This FlightHub deal was found by Cheapflights users on 11/21. 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.
Tue 12/177:16 pmPDX - SJU
2 stops18h 24mSpirit Airlines
Wed 12/254:14 pmSJU - PDX
2 stops35h 20mSpirit Airlines
Deal found 11/21$447
This American Airlines deal was found by Cheapflights users on 11/20. 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.
Fri 12/69:00 amSEA - SJU
1 stop10h 50mAmerican Airlines
Wed 12/118:15 amSJU - SEA
1 stop17h 04mAmerican Airlines
Deal found 11/20$465
This United Airlines deal was found by Cheapflights users on 11/20. 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.
Tue 12/107:00 amPDX - SJU
1 stop10h 26mUnited Airlines
Tue 12/178:35 amSJU - PDX
2 stops13h 29mUnited Airlines
Deal found 11/20$475
This Delta deal was found by Cheapflights users on 11/20. 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.
Tue 12/107:05 pmSEA - SJU
2 stops15h 10mDelta
Tue 12/177:30 amSJU - SEA
1 stop13h 42mDelta
Deal found 11/20$492
This Delta deal was found by Cheapflights users on 11/20. 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.
Tue 12/1011:13 pmPDX - SJU
1 stop11h 01mDelta
Tue 12/173:25 pmSJU - PDX
1 stop10h 38mDelta
Deal found 11/20$493
This CheapOair deal was found by Cheapflights users on 11/21. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/107:16 pmPDX - SJU
2 stops18h 27mMultiple Airlines
Sat 12/214:50 pmSJU - PDX
1 stop29h 14mMultiple Airlines
Deal found 11/21$514
This American Airlines deal was found by Cheapflights users on 11/20. 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 11/247:40 amPDX - SJU
1 stop17h 54mAmerican Airlines
Thu 12/512:50 pmSJU - PDX
1 stop14h 34mAmerican Airlines
Deal found 11/20$589
This Sun Country Air deal was found by Cheapflights users on 11/20. 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 Sun Country Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/136:39 pmSEA - SJU
1 stop17h 22mSun Country Air
Sun 12/225:20 pmSJU - SEA
1 stop33h 23mSun Country Air
Deal found 11/20$600
This Southwest deal was found by Cheapflights users on 11/21. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/61:30 pmGEG - SJU
2 stops16h 55mSouthwest
Mon 12/97:55 amSJU - GEG
2 stops18h 15mSouthwest
Deal found 11/21$619

Find flights from Washington to San Juan within your budget

Customize your flight search to find flights from Washington 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 2,612,795 searches. Data last updated November 21, 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

SeattleSan Juan

SEA - SJU

SEASJU

Seattle/Tacoma Intl

Mon 1/6

2:16 pm-5:40 pm

2 stops23h 24m

San Juan Luis Munoz Marin Intl

Fri 1/10

10:09 pm-12:14 am

2 stops30h 05m

$368

SeattleSan Juan

SEA - SJU

SEASJU

Seattle/Tacoma Intl

Wed 1/22

12:45 am-5:30 pm

2 stops12h 45m

San Juan Luis Munoz Marin Intl

Thu 1/30

6:15 am-2:56 pm

2 stops12h 41m

$387

SpokaneSan Juan

GEG - SJU

GEGSJU

Spokane

Tue 1/28

5:05 pm-12:52 pm

2 stops15h 47m

San Juan Luis Munoz Marin Intl

Tue 2/4

4:25 pm-10:51 pm

1 stop10h 26m

$394

PortlandSan Juan

PDX - SJU

PDXSJU

Portland

Sun 1/12

10:16 am-6:02 pm

2 stops27h 46m

San Juan Luis Munoz Marin Intl

Sun 1/19

6:24 pm-9:21 am

2 stops18h 57m

$409

SeattleSan Juan

SEA - SJU

SEASJU

Seattle/Tacoma Intl

Tue 12/10

5:15 am-5:43 pm

3 stops32h 28m

San Juan Luis Munoz Marin Intl

Tue 12/17

1:42 pm-5:02 pm

3 stops31h 20m

$410

PortlandSan Juan

PDX - SJU

PDXSJU

Portland

Mon 1/20

12:45 am-5:07 pm

2 stops12h 22m

San Juan Luis Munoz Marin Intl

Wed 1/29

2:11 pm-11:58 pm

2 stops13h 47m

$424

SeattleSan Juan

SEA - SJU

SEASJU

Seattle/Tacoma Intl

Sat 1/25

7:00 am-9:28 pm

1 stop10h 28m

San Juan Luis Munoz Marin Intl

Fri 1/31

2:05 am-11:16 am

1 stop13h 11m

$426

PortlandSan Juan

PDX - SJU

PDXSJU

Portland

Mon 1/13

7:30 pm-2:40 pm

2 stops15h 10m

San Juan Luis Munoz Marin Intl

Fri 1/24

2:05 am-1:50 pm

2 stops15h 45m

$428

PortlandSan Juan

PDX - SJU

PDXSJU

Portland

Tue 4/15

5:20 am-8:15 pm

2 stops11h 55m

San Juan Luis Munoz Marin Intl

Fri 4/25

7:40 am-6:35 pm

2 stops13h 55m

$448

PortlandSan Juan

PDX - SJU

PDXSJU

Portland

Thu 1/9

10:45 pm-3:45 pm

1 stop13h 00m

San Juan Luis Munoz Marin Intl

Sat 1/18

12:50 pm-11:36 pm

1 stop14h 46m

$461

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/20

Showing 1-10 of 40 results
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Best time to book a flight from Washington to San Juan

Have a flexible travel schedule? Discover the best time to fly to San Juan from Washington 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 to San Juan

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

What is the cheapest month to book a flight from State of Washington to San Juan?

Currently, September is the cheapest month in which you can book a flight from State of Washington to San Juan (average of $254). Flying from State of Washington 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 WA to SJU?

Find hourly flight availability from Washington 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 21, 2024.

When flying from State of Washington to San Juan, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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 21, 2024.
To help decide which airline to fly from Washington to San Juan, see what other customers have to say about Spirit Airlines, American Airlines and United Airlines. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.1
Very good
5,005 reviews

Boarding

8.2

Food

7.2

Comfort

8.1

Crew

8.7

Overall

8.1

Entertainment

7.7

Reviews

1 / 10

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

Southwest
8.1
Very good
5,005 reviews
Southwest
8.1
Very good
5,005 reviews

Boarding

8.2

Food

7.2

Comfort

8.1

Crew

8.7

Overall

8.1

Entertainment

7.7

Reviews

1 / 10

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

Alaska Airlines
8.0
Very good
9,464 reviews
Southwest
8.1
Very good
5,005 reviews

Boarding

8.2

Food

7.2

Comfort

8.1

Crew

8.7

Overall

8.1

Entertainment

7.7

Reviews

1 / 10

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

Delta
8.0
Very good
8,755 reviews
Southwest
8.1
Very good
5,005 reviews

Boarding

8.2

Food

7.2

Comfort

8.1

Crew

8.7

Overall

8.1

Entertainment

7.7

Reviews

1 / 10

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

JetBlue
7.5
Good
3,389 reviews
Southwest
8.1
Very good
5,005 reviews

Boarding

8.2

Food

7.2

Comfort

8.1

Crew

8.7

Overall

8.1

Entertainment

7.7

Reviews

1 / 10

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

United Airlines
7.4
Good
9,172 reviews
Southwest
8.1
Very good
5,005 reviews

Boarding

8.2

Food

7.2

Comfort

8.1

Crew

8.7

Overall

8.1

Entertainment

7.7

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 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 to fly from State of Washington to San Juan one-way?

    The cheapest airlines for a one-way flight from State of Washington to San Juan are Spirit Airlines ($151), American Airlines ($169), and Delta ($198).

  • What are the most popular routes from State of Washington to San Juan?

    The most popular route from State of Washington to San Juan is Seattle/Tacoma Intl - San Juan Luis Munoz Marin Intl. You may also consider Portland - San Juan Luis Munoz Marin Intl or Spokane - San Juan Luis Munoz Marin Intl.

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

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

  • How can I find direct flights from Washington 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 to San Juan.

  • Can I find deals for business class flights from Washington to San Juan?

    Yes. Cheapflights offers flight deals from Washington 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 State of Washington to San Juan?

    Currently, September is the cheapest month in which you can book a flight from State of Washington to San Juan (average of $254). Flying from State of Washington 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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Alternative routes for Washington to San Juan

See prices for flight routes from nearby airports that may be better suited for you.
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Top 9 airlines flying from Washington to San Juan

Discover the top 9 airlines that operate flights from Washington 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 2,612,795 searches. Data last updated November 21, 2024.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$241Average$384FlexibilityNo cancel feeOn-time65%
JetBlueCheapest$286Average$535FlexibilityNo cancel feeOn-time62%
Sun Country AirCheapest$291Average$852FlexibilityNo cancel feeOn-time83%
FrontierCheapest$293Average$551FlexibilityNo cancel feeOn-time62%
American AirlinesCheapest$315Average$618FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$317Average$722FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$384Average$669FlexibilityNo cancel feeOn-time63%
Alaska AirlinesCheapest$425Average$678FlexibilityNo cancel feeOn-time75%
DeltaCheapest$444Average$722FlexibilityNo cancel feeOn-timeN/A
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