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$170+ Cheap flights from Puerto Rico to Seattle (SEA)

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 7/14. Fares are subject to change and may not be available on all flights or dates of travel.
SJU — SEA
jun. 17 — jun. 241
mar. 6/17
mar. 6/24
1 adult, Economy
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Cheap flight deals from Puerto Rico to Seattle

Keep the following information in mind while searching for Puerto Rico to Seattle flight deals. Data was last updated junio 12, 2025.

Round-trip from

$377
(United Airlines)

One-way from

$173
(SmartFares)

Popular in

July

Cheapest in

October

Average price

$634
From Puerto Rico to Seattle/Tacoma Intl
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One-way flight from Puerto Rico to Seattle/Tacoma Intl
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Highest demand for flights based on searches. 14% potential increase in price ($88 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($16 potential savings vs. average RT price).
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Average for round-trip flights in June 2025
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Find flight deals from Puerto Rico to Seattle

Cheapest flights from Puerto Rico to Seattle
Explore the most affordable flight options available from Puerto Rico to Seattle. Find the lowest fares from popular airlines and budget airlines, with prices last updated on junio 12, 2025.

This SmartFares deal was found by Cheapflights users on 6/12. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 9/265:41 pmSJU - SEA
2 stops25h 12mSpirit Airlines
dom. 10/54:58 pmSEA - SJU
2 stops18h 02mSpirit Airlines
Deal found 6/12$376
This American Airlines deal was found by Cheapflights users on 6/10. 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.
mar. 11/115:55 amSJU - SEA
2 stops12h 53mAmerican Airlines
mar. 11/1810:35 amSEA - SJU
2 stops11h 35mAmerican Airlines
Deal found 6/10$377
This JetBlue deal was found by Cheapflights users on 6/11. 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.
vie. 9/2612:50 pmSJU - SEA
1 stop12h 20mJetBlue
dom. 10/511:40 pmSEA - SJU
1 stop14h 02mJetBlue
Deal found 6/11$378
This Frontier deal was found by Cheapflights users on 6/11. 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.
dom. 8/313:39 amBQN - SEA
2 stops23h 55mFrontier
vie. 9/57:00 pmSEA - BQN
2 stops12h 51mFrontier
Deal found 6/11$395
This Frontier deal was found by Cheapflights users on 6/11. 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.
jue. 8/149:30 pmSJU - SEA
2 stops19h 36mFrontier
dom. 8/177:48 pmSEA - SJU
2 stops17h 07mFrontier
Deal found 6/11$408
This Delta deal was found by Cheapflights users on 6/10. 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.
sáb. 9/207:30 amSJU - SEA
1 stop15h 06mDelta
sáb. 9/275:50 pmSEA - SJU
2 stops16h 33mDelta
Deal found 6/10$414
This Southwest deal was found by Cheapflights users on 6/10. 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.
mié. 9/175:00 amSJU - SEA
2 stops13h 20mSouthwest
mié. 9/249:10 pmSEA - SJU
1 stop12h 30mSouthwest
Deal found 6/10$459
This United Airlines deal was found by Cheapflights users on 6/10. 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.
mar. 9/161:05 amSJU - SEA
2 stops17h 09mUnited Airlines
mié. 9/2411:54 pmSEA - SJU
1 stop11h 50mUnited Airlines
Deal found 6/10$467
This Mytrip deal was found by Cheapflights users on 6/10. 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.
vie. 6/278:45 pmSJU - SEA
2 stops27h 11mMultiple Airlines
lun. 8/254:58 pmSEA - SJU
2 stops16h 49mMultiple Airlines
Deal found 6/10$477
This United Airlines deal was found by Cheapflights users on 6/11. 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.
sáb. 8/3012:15 amBQN - SEA
2 stops17h 59mUnited Airlines
sáb. 9/67:00 amSEA - BQN
2 stops13h 09mUnited Airlines
Deal found 6/11$688

Cheapflights Fare Finder

Customize your flight search to find flights from Puerto Rico to Seattle 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 junio 12, 2025.
Use the filters below to find and compare flights from Puerto Rico to Seattle that are best for you.

Fly from

Puerto Rico

Fly to

Seattle

Route

Depart

Return

Price

San JuanSeattle

SJU - SEA

SJUSEA

San Juan Luis Munoz Marin Intl

jue. 9/4

1:25 pm-9:56 pm

1 stop11h 31m

Seattle/Tacoma Intl

lun. 9/8

5:35 pm-12:00 pm

2 stops15h 25m

$377

San JuanSeattle

SJU - SEA

SJUSEA

San Juan Luis Munoz Marin Intl

vie. 7/11

11:59 pm-4:25 pm

2 stops19h 26m

Seattle/Tacoma Intl

lun. 7/21

5:30 pm-3:30 pm

2 stops19h 00m

$394

AguadillaSeattle

BQN - SEA

BQNSEA

Aguadilla Borinquen

dom. 8/31

3:39 am-12:34 am

2 stops23h 55m

Seattle/Tacoma Intl

vie. 9/5

7:00 pm-10:51 am

2 stops12h 51m

$395

San JuanSeattle

SJU - SEA

SJUSEA

San Juan Luis Munoz Marin Intl

jue. 8/14

9:30 pm-2:06 pm

2 stops19h 36m

Seattle/Tacoma Intl

dom. 8/17

7:48 pm-3:55 pm

2 stops17h 07m

$408

San JuanSeattle

SJU - SEA

SJUSEA

San Juan Luis Munoz Marin Intl

sáb. 9/6

6:10 am-11:59 pm

1 stop20h 49m

Seattle/Tacoma Intl

sáb. 9/13

5:26 am-11:37 pm

2 stops15h 11m

$412

San JuanSeattle

SJU - SEA

SJUSEA

San Juan Luis Munoz Marin Intl

mié. 9/10

2:05 pm-10:10 pm

1 stop11h 05m

Seattle/Tacoma Intl

mié. 9/17

11:40 pm-2:54 pm

1 stop12h 14m

$429

San JuanSeattle

SJU - SEA

SJUSEA

San Juan Luis Munoz Marin Intl

vie. 6/27

8:45 pm-8:56 pm

2 stops27h 11m

Seattle/Tacoma Intl

lun. 8/25

4:58 pm-12:47 pm

2 stops16h 49m

$477

San JuanSeattle

SJU - SEA

SJUSEA

San Juan Luis Munoz Marin Intl

vie. 8/1

1:06 pm-11:59 pm

2 stops13h 53m

Seattle/Tacoma Intl

dom. 8/31

5:30 am-10:07 pm

2 stops13h 37m

$528

San JuanSeattle

SJU - SEA

SJUSEA

San Juan Luis Munoz Marin Intl

mié. 6/25

10:00 am-8:00 pm

2 stops13h 00m

Seattle/Tacoma Intl

vie. 10/31

6:05 am-9:35 pm

2 stops12h 30m

$533

AguadillaSeattle

BQN - SEA

BQNSEA

Aguadilla Borinquen

sáb. 8/30

12:15 am-3:14 pm

2 stops17h 59m

Seattle/Tacoma Intl

sáb. 9/6

7:00 am-11:09 pm

2 stops13h 09m

$688

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/12

Showing 1-10 of 21 results
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Best time to book a flight from Puerto Rico to Seattle

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

Cheapflights Insights

Everything you need to know about your flight from Puerto Rico to Seattle

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

Currently, January is the cheapest month in which you can book a flight from Puerto Rico to Seattle (average of $238). Flying from Puerto Rico to Seattle in July is currently the most expensive (average of $391). 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 PR to SEA?

Find hourly flight availability from Puerto Rico to Seattle. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated junio 12, 2025.

When flying from Puerto Rico to Seattle, 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 Seattle by month

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

In terms of precipitation, rainfall in Seattle ranges from 0.7 - 6.6 inches per month. November is typically the wettest month, when rainfall can reach 6.6 in. July is typically the driest time to visit Seattle when rainfall is around 0.7 in.

Temperature in Seattle by month

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

If weather is an important factor for your trip to Seattle, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 66.2 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 41.0 F).

Reviews of airlines servicing Seattle

Get insights into the airlines that provide service to Seattle. 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 Seattle. Reviews last updated junio 12, 2025.
To help decide which airline to fly from Puerto Rico to Seattle, see what other customers have to say about Alaska Airlines, Southwest and Delta. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Entertainment

7.1

Comfort

7.8

Food

7.1

Boarding

8.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Entertainment

7.1

Comfort

7.8

Food

7.1

Boarding

8.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Southwest
8.0
Very good
4,287 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Entertainment

7.1

Comfort

7.8

Food

7.1

Boarding

8.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Delta
8.0
Very good
7,946 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Entertainment

7.1

Comfort

7.8

Food

7.1

Boarding

8.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
United Airlines
7.4
Good
8,790 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Entertainment

7.1

Comfort

7.8

Food

7.1

Boarding

8.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
JetBlue
7.3
Good
2,925 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Entertainment

7.1

Comfort

7.8

Food

7.1

Boarding

8.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

Related info for your journey

Find useful and relevant information for your journey from Puerto Rico to Seattle. 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 into for flights to Seattle from Puerto Rico?

    Seattle/Tacoma Intl (SEA) is the airport you will fly into if you book a flight from Puerto Rico to Seattle. It is only a 11.4 mi journey from Seattle/Tacoma Intl (SEA) to Seattle’s city center.

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

    The cheapest airlines for a one-way flight from Puerto Rico to Seattle are Spirit Airlines ($173), American Airlines ($227), and United Airlines ($234).

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

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

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

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

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

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

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

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

    Currently, January is the cheapest month in which you can book a flight from Puerto Rico to Seattle (average of $238). Flying from Puerto Rico to Seattle in July is currently the most expensive (average of $391). 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

Traveling to a place near Puerto Rico?

Book flights to Puerto Rico if you plan to visit one of these locations
SeaTac
Tukwila
Tacoma
Lakewood
Ocean Shores
Lacey
Leavenworth
Federal Way
Lynnwood
Olympia
Shoreline
Kent
Cle Elum
Centralia
Kirkland
Aberdeen
Renton
Shelton
Silverdale
Issaquah

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Puerto Rico to Seattle

See prices for flight routes from nearby airports that may be better suited for you.
Luis Munoz Marin Intl to Seattle flights
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Aguadilla to Seattle flights
Montego Bay to Pasco flights
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Top 6 airlines flying from Puerto Rico to Seattle

Discover the top 6 airlines that operate flights from Puerto Rico to Seattle. 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 junio 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
JetBlueCheapest$148Average$428FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$235Average$401FlexibilityNo cancel feeOn-time65%
United AirlinesCheapest$302Average$494FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$337Average$555FlexibilityNo cancel feeOn-time71%
DeltaCheapest$452Average$612FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$555Average$649FlexibilityNo cancel feeOn-time63%

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