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Puerto Rico

$154+ Cheap flights from Seattle (SEA) to Puerto Rico

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 5/17. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — SJU
Feb 25 — Mar 41
Tue 2/25
Tue 3/4
1 adult, Economy
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Cheap flight deals from Seattle to Puerto Rico

Keep the following information in mind while searching for Seattle to Puerto Rico flight deals. Data was last updated February 20, 2025.

Round-trip from

$363
(CheapOair)

One-way from

$154
(eDestinos)

Popular in

December

Cheapest in

September

Average price

$532
From Seattle/Tacoma Intl to Puerto Rico
Search Deals
One-way flight from Seattle/Tacoma Intl to Puerto Rico
Search Deals
Highest demand for flights based on searches. 6% potential increase in price ($36 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($22 potential savings vs. average RT price).
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Average for round-trip flights in February 2025
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Find flight deals from Seattle to Puerto Rico

Cheapest flights from Seattle to Puerto Rico
Explore the most affordable flight options available from Seattle to Puerto Rico. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 20, 2025.

This CheapOair deal was found by Cheapflights users on 2/20. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/812:41 pmSEA - SJU
2 stops29h 09mSpirit Airlines
Tue 3/113:38 amSJU - SEA
2 stops35h 08mSpirit Airlines
Deal found 2/20$363
This Mytrip deal was found by Cheapflights users on 2/20. 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.
Fri 5/96:33 pmSEA - SJU
2 stops26h 39mMultiple Airlines
Mon 5/123:45 pmSJU - SEA
2 stops23h 57mMultiple Airlines
Deal found 2/20$369
This JetBlue deal was found by Cheapflights users on 2/20. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/1811:48 pmSEA - SJU
1 stop11h 42mJetBlue
Wed 3/2611:05 amSJU - SEA
1 stop14h 33mJetBlue
Deal found 2/20$373
This United Airlines deal was found by Cheapflights users on 2/20. 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 3/187:00 amSEA - SJU
2 stops13h 36mUnited Airlines
Tue 3/251:05 amSJU - SEA
1 stop13h 14mUnited Airlines
Deal found 2/20$379
This American Airlines deal was found by Cheapflights users on 2/20. 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.
Tue 3/1810:01 pmSEA - SJU
1 stop15h 33mAmerican Airlines
Wed 3/2611:36 amSJU - SEA
1 stop12h 20mAmerican Airlines
Deal found 2/20$382
This Delta deal was found by Cheapflights users on 2/20. 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.
Fri 4/2512:40 amSEA - SJU
2 stops12h 21mDelta
Sat 5/33:34 pmSJU - SEA
1 stop11h 25mDelta
Deal found 2/20$490
This Southwest deal was found by Cheapflights users on 2/20. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/199:10 pmSEA - SJU
2 stops13h 15mSouthwest
Mon 9/225:00 amSJU - SEA
2 stops11h 55mSouthwest
Deal found 2/20$550
This United Airlines deal was found by Cheapflights users on 2/19. 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.
Thu 3/611:59 pmSEA - BQN
2 stops19h 58mUnited Airlines
Sun 3/912:09 amBQN - SEA
2 stops16h 46mUnited Airlines
Deal found 2/19$653
This Mytrip deal was found by Cheapflights users on 2/18. 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.
Thu 3/612:41 pmSEA - CPX
3 stops21h 58mMultiple Airlines
Mon 3/105:41 pmCPX - SEA
3 stops45h 05mMultiple Airlines
Deal found 2/18$716
This United deal was found by Cheapflights users on 2/20. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/611:50 pmSEA - BQN
2 stops20h 19mMultiple Airlines
Tue 8/1212:15 amBQN - SEA
2 stops15h 29mMultiple Airlines
Deal found 2/20$864
This Kissandfly.com deal was found by Cheapflights users on 2/19. 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 Kissandfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/511:59 pmSEA - CPX
2 stops14h 22mCape Air
Sat 4/1210:48 amCPX - SEA
2 stops13h 14mCape Air
Deal found 2/19$1,401
This United Airlines deal was found by Cheapflights users on 2/18. 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.
Sun 4/136:15 amSEA - CPX
3 stops56h 06mUnited Airlines
Sun 4/2010:48 amCPX - SEA
2 stops13h 14mUnited Airlines
Deal found 2/18$1,455

Find flights from Seattle to Puerto Rico within your budget

Customize your flight search to find flights from Seattle 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, Cheapflights users made 2,558,603 searches. Data last updated February 20, 2025.

Fly from

Seattle

Fly to

Puerto Rico

Route

Depart

Return

Price

SeattleSan Juan

SEA - SJU

SEASJU

Seattle/Tacoma Intl

Sat 3/8

12:41 pm-9:50 pm

2 stops29h 09m

San Juan Luis Munoz Marin Intl

Tue 3/11

3:38 am-11:46 am

2 stops35h 08m

$363

SeattleSan Juan

SEA - SJU

SEASJU

Seattle/Tacoma Intl

Fri 5/9

6:33 pm-12:12 am

2 stops26h 39m

San Juan Luis Munoz Marin Intl

Mon 5/12

3:45 pm-12:42 pm

2 stops23h 57m

$369

SeattleSan Juan

SEA - SJU

SEASJU

Seattle/Tacoma Intl

Tue 3/18

11:48 pm-2:30 pm

1 stop11h 42m

San Juan Luis Munoz Marin Intl

Wed 3/26

11:05 am-10:38 pm

1 stop14h 33m

$373

SeattleSan Juan

SEA - SJU

SEASJU

Seattle/Tacoma Intl

Tue 3/18

7:00 am-11:36 pm

2 stops13h 36m

San Juan Luis Munoz Marin Intl

Tue 3/25

1:05 am-11:19 am

1 stop13h 14m

$379

SeattleSan Juan

SEA - SJU

SEASJU

Seattle/Tacoma Intl

Tue 3/18

10:01 pm-4:34 pm

1 stop15h 33m

San Juan Luis Munoz Marin Intl

Wed 3/26

11:36 am-8:56 pm

1 stop12h 20m

$382

SeattleSan Juan

SEA - SJU

SEASJU

Seattle/Tacoma Intl

Fri 4/25

12:40 am-4:01 pm

2 stops12h 21m

San Juan Luis Munoz Marin Intl

Sat 5/3

3:34 pm-11:59 pm

1 stop11h 25m

$490

SeattleAguadilla

SEA - BQN

SEABQN

Seattle/Tacoma Intl

Thu 3/6

11:59 pm-11:57 pm

2 stops19h 58m

Aguadilla Borinquen

Sun 3/9

12:09 am-1:55 pm

2 stops16h 46m

$653

SeattleCulebra

SEA - CPX

SEACPX

Seattle/Tacoma Intl

Thu 3/6

12:41 pm-2:39 pm

3 stops21h 58m

Culebra

Mon 3/10

5:41 pm-11:46 am

3 stops45h 05m

$716

SeattleAguadilla

SEA - BQN

SEABQN

Seattle/Tacoma Intl

Wed 8/6

11:50 pm-11:09 pm

2 stops20h 19m

Aguadilla Borinquen

Tue 8/12

12:15 am-12:44 pm

2 stops15h 29m

$864

SeattleCulebra

SEA - CPX

SEACPX

Seattle/Tacoma Intl

Sat 4/5

11:59 pm-5:21 pm

2 stops14h 22m

Culebra

Sat 4/12

10:48 am-9:02 pm

2 stops13h 14m

$1,401

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/19

Showing 1-10 of 22 results
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Best time to book a flight from Seattle to Puerto Rico

Have a flexible travel schedule? Discover the best time to fly to Puerto Rico from Seattle 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 Seattle to Puerto Rico

Get recent, data-driven insights about flights from Seattle to Puerto Rico including ideal travel times, pricing trends, and more.

What is the cheapest month to book a flight from Seattle to Puerto Rico?

Currently, September is the cheapest month in which you can book a flight from Seattle to Puerto Rico (average of $254). Flying from Seattle to Puerto Rico in March is currently the most expensive (average of $363). 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 SEA to PR?

Find hourly flight availability from Seattle to Puerto Rico. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated February 20, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Seattle to Puerto Rico as you normally would.

Rainfall in Puerto Rico by month

Plan your trip to Puerto Rico by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Puerto Rico 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 Puerto Rico when rainfall is around 2.2 in.

Temperature in Puerto Rico by month

Plan your trip to Puerto Rico by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Puerto Rico, 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 Puerto Rico

Get insights into the airlines that provide service to Puerto Rico. 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 Puerto Rico. Reviews last updated February 20, 2025.
Get a feel of what it's like to fly with Alaska Airlines, Delta and JetBlue from Seattle to Puerto Rico by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
9,692 reviews

Entertainment

7.1

Food

7.1

Crew

8.5

Overall

8.0

Comfort

7.9

Boarding

8.2

Reviews

1 / 20

8.0
Excellent

Anonymous,Aug 2024

SEA - LAS

Seats were not that comfy especially for someone with big hips 😥

Alaska Airlines
8.0
Very good
9,692 reviews
Alaska Airlines
8.0
Very good
9,692 reviews

Entertainment

7.1

Food

7.1

Crew

8.5

Overall

8.0

Comfort

7.9

Boarding

8.2

Reviews

1 / 20

8.0
Excellent

Anonymous,Aug 2024

SEA - LAS

Seats were not that comfy especially for someone with big hips 😥

Delta
8.0
Very good
8,220 reviews
Alaska Airlines
8.0
Very good
9,692 reviews

Entertainment

7.1

Food

7.1

Crew

8.5

Overall

8.0

Comfort

7.9

Boarding

8.2

Reviews

1 / 20

8.0
Excellent

Anonymous,Aug 2024

SEA - LAS

Seats were not that comfy especially for someone with big hips 😥

JetBlue
7.4
Good
3,070 reviews
Alaska Airlines
8.0
Very good
9,692 reviews

Entertainment

7.1

Food

7.1

Crew

8.5

Overall

8.0

Comfort

7.9

Boarding

8.2

Reviews

1 / 20

8.0
Excellent

Anonymous,Aug 2024

SEA - LAS

Seats were not that comfy especially for someone with big hips 😥

United Airlines
7.4
Good
8,766 reviews
Alaska Airlines
8.0
Very good
9,692 reviews

Entertainment

7.1

Food

7.1

Crew

8.5

Overall

8.0

Comfort

7.9

Boarding

8.2

Reviews

1 / 20

8.0
Excellent

Anonymous,Aug 2024

SEA - LAS

Seats were not that comfy especially for someone with big hips 😥

Related info for your journey

Find useful and relevant information for your journey from Seattle to Puerto Rico. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Seattle to Puerto Rico?

    Most people fly from Seattle/Tacoma Intl (SEA) if they book a flight from Seattle to Puerto Rico. Seattle/Tacoma Intl is conveniently located just 11.4 mi from Seattle’s city center.

  • What are the cheapest airlines to fly from Seattle to Puerto Rico one-way?

    For one-way options, check prices for Frontier. According to our data, you can fly for as low as $154. Users have also found prices from $155 and $183 on Spirit Airlines and American Airlines, respectively.

  • What are the most popular routes from Seattle to Puerto Rico?

    The most popular flight routes from Seattle to Puerto Rico are Seattle/Tacoma Intl - San Juan Luis Munoz Marin Intl, Seattle/Tacoma Intl - Culebra and Seattle/Tacoma Intl - Aguadilla Borinquen.

  • Can I find deals for flights from Seattle to Puerto Rico that include hotel bookings?

    Yes. In addition to deals on Seattle to Puerto Rico flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Seattle to Puerto Rico?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Seattle to Puerto Rico.

  • Can I find deals for business class flights from Seattle to Puerto Rico?

    Yes. Cheapflights offers flight deals from Seattle to Puerto Rico 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 Seattle to Puerto Rico?

    Currently, September is the cheapest month in which you can book a flight from Seattle to Puerto Rico (average of $254). Flying from Seattle to Puerto Rico in March is currently the most expensive (average of $363). 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 Seattle to Puerto Rico

See prices for flight routes from nearby airports that may be better suited for you.
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Top 9 airlines flying from Seattle to Puerto Rico

Discover the top 9 airlines that operate flights from Seattle to Puerto Rico. 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 2,558,603 searches. Data last updated February 20, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$241Average$384FlexibilityNo cancel feeOn-time65%
JetBlueCheapest$286Average$516FlexibilityNo cancel feeOn-time62%
FrontierCheapest$290Average$584FlexibilityNo cancel feeOn-time62%
United AirlinesCheapest$306Average$682FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$326Average$553FlexibilityNo cancel feeOn-time71%
Alaska AirlinesCheapest$425Average$743FlexibilityNo cancel feeOn-time75%
Sun Country AirCheapest$447Average$882FlexibilityNo cancel feeOn-time83%
DeltaCheapest$454Average$743FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$569Average$695FlexibilityNo cancel feeOn-time63%
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