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$120+ 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 4/29. Fares are subject to change and may not be available on all flights or dates of travel.
SJU — SEA
Apr 6 — Apr 131
Sun 4/6
Sun 4/13
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 April 1, 2025.

Round-trip from

$378
(Mytrip)

One-way from

$120
(Cheapflightsfares)

Popular in

July

Cheapest in

September

Average price

$532
From Puerto Rico to Seattle/Tacoma Intl
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One-way flight from Puerto Rico to Seattle/Tacoma Intl
Search Deals
Highest demand for flights based on searches. 17% potential increase in price ($112 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($18 potential savings vs. average RT price).
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Average for round-trip flights in April 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 April 1, 2025.

This Mytrip deal was found by Cheapflights users on 3/31. 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 5/112:54 amSJU - SEA
3 stops37h 41mSpirit Airlines
Fri 5/96:00 amSEA - SJU
2 stops29h 30mSpirit Airlines
Deal found 3/31$378
This United Airlines deal was found by Cheapflights users on 3/31. 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.
Fri 5/21:40 pmSJU - SEA
1 stop12h 23mUnited Airlines
Fri 5/96:15 amSEA - SJU
2 stops14h 39mUnited Airlines
Deal found 3/31$380
This American Airlines deal was found by Cheapflights users on 3/30. 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 4/296:05 amSJU - SEA
1 stop19h 59mAmerican Airlines
Tue 5/65:22 amSEA - SJU
2 stops11h 47mAmerican Airlines
Deal found 3/30$392
This JetBlue deal was found by Cheapflights users on 3/30. 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.
Thu 5/811:58 amSJU - SEA
1 stop11h 56mJetBlue
Sat 5/1711:38 amSEA - SJU
1 stop10h 17mJetBlue
Deal found 3/30$434
This Delta deal was found by Cheapflights users on 3/31. 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 4/186:15 amSJU - SEA
1 stop11h 07mDelta
Tue 4/296:20 amSEA - SJU
2 stops13h 55mDelta
Deal found 3/31$454
This Southwest deal was found by Cheapflights users on 3/29. 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 6/62:40 pmSJU - SEA
2 stops12h 45mSouthwest
Tue 6/105:35 amSEA - SJU
2 stops12h 40mSouthwest
Deal found 3/29$529
This Alaska Airlines deal was found by Cheapflights users on 3/31. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/305:30 amSJU - SEA
2 stops30h 07mAlaska Airlines
Sun 8/316:36 pmSEA - SJU
2 stops25h 24mAlaska Airlines
Deal found 3/31$540
This Sun Country Air deal was found by Cheapflights users on 3/30. 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.
Wed 4/91:45 pmSJU - SEA
1 stop24h 07mSun Country Air
Fri 4/186:27 pmSEA - SJU
1 stop17h 38mSun Country Air
Deal found 3/30$553
This Mytrip deal was found by Cheapflights users on 3/29. 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.
Tue 8/262:06 amSJU - SEA
3 stops47h 40mMultiple Airlines
Fri 9/56:31 pmSEA - SJU
2 stops19h 15mMultiple Airlines
Deal found 3/29$579
This United Airlines deal was found by Cheapflights users on 3/30. 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 5/812:15 amBQN - SEA
2 stops16h 28mUnited Airlines
Sat 5/175:40 pmSEA - BQN
2 stops26h 29mUnited Airlines
Deal found 3/30$649
This United deal was found by Cheapflights users on 3/30. 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.
Thu 5/2912:15 amBQN - SEA
2 stops17h 35mMultiple Airlines
Wed 6/116:25 amSEA - BQN
2 stops37h 44mMultiple Airlines
Deal found 3/30$854

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 April 1, 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

Thu 5/1

12:54 am-11:35 am

3 stops37h 41m

Seattle/Tacoma Intl

Fri 5/9

6:00 am-2:30 pm

2 stops29h 30m

$378

San JuanSeattle

SJU - SEA

SJUSEA

San Juan Luis Munoz Marin Intl

Fri 5/2

1:40 pm-11:03 pm

1 stop12h 23m

Seattle/Tacoma Intl

Fri 5/9

6:15 am-11:54 pm

2 stops14h 39m

$380

San JuanSeattle

SJU - SEA

SJUSEA

San Juan Luis Munoz Marin Intl

Tue 4/29

6:05 am-11:04 pm

1 stop19h 59m

Seattle/Tacoma Intl

Tue 5/6

5:22 am-8:09 pm

2 stops11h 47m

$392

San JuanSeattle

SJU - SEA

SJUSEA

San Juan Luis Munoz Marin Intl

Thu 5/1

2:12 am-7:51 pm

2 stops20h 39m

Seattle/Tacoma Intl

Fri 5/9

6:33 pm-3:11 pm

1 stop17h 38m

$401

San JuanSeattle

SJU - SEA

SJUSEA

San Juan Luis Munoz Marin Intl

Thu 5/8

11:58 am-8:54 pm

1 stop11h 56m

Seattle/Tacoma Intl

Sat 5/17

11:38 am-12:55 am

1 stop10h 17m

$434

San JuanSeattle

SJU - SEA

SJUSEA

San Juan Luis Munoz Marin Intl

Fri 4/18

6:15 am-2:22 pm

1 stop11h 07m

Seattle/Tacoma Intl

Tue 4/29

6:20 am-11:15 pm

2 stops13h 55m

$454

San JuanSeattle

SJU - SEA

SJUSEA

San Juan Luis Munoz Marin Intl

Fri 6/6

2:40 pm-12:25 am

2 stops12h 45m

Seattle/Tacoma Intl

Tue 6/10

5:35 am-9:15 pm

2 stops12h 40m

$529

San JuanSeattle

SJU - SEA

SJUSEA

San Juan Luis Munoz Marin Intl

Wed 4/9

1:45 pm-10:52 am

1 stop24h 07m

Seattle/Tacoma Intl

Fri 4/18

6:27 pm-3:05 pm

1 stop17h 38m

$553

AguadillaSeattle

BQN - SEA

BQNSEA

Aguadilla Borinquen

Thu 5/8

12:15 am-1:43 pm

2 stops16h 28m

Seattle/Tacoma Intl

Sat 5/17

5:40 pm-11:09 pm

2 stops26h 29m

$649

AguadillaSeattle

BQN - SEA

BQNSEA

Aguadilla Borinquen

Thu 5/29

12:15 am-2:50 pm

2 stops17h 35m

Seattle/Tacoma Intl

Wed 6/11

6:25 am-11:09 pm

2 stops37h 44m

$854

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/30

Showing 1-10 of 19 results
1
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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 $411). 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 April 1, 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 April 1, 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
9,818 reviews

Overall

8.0

Crew

8.5

Food

7.1

Boarding

8.2

Entertainment

7.1

Comfort

7.9

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
9,818 reviews
Alaska Airlines
8.0
Very good
9,818 reviews

Overall

8.0

Crew

8.5

Food

7.1

Boarding

8.2

Entertainment

7.1

Comfort

7.9

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
4,276 reviews
Alaska Airlines
8.0
Very good
9,818 reviews

Overall

8.0

Crew

8.5

Food

7.1

Boarding

8.2

Entertainment

7.1

Comfort

7.9

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
7,899 reviews
Alaska Airlines
8.0
Very good
9,818 reviews

Overall

8.0

Crew

8.5

Food

7.1

Boarding

8.2

Entertainment

7.1

Comfort

7.9

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
8,614 reviews
Alaska Airlines
8.0
Very good
9,818 reviews

Overall

8.0

Crew

8.5

Food

7.1

Boarding

8.2

Entertainment

7.1

Comfort

7.9

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
2,924 reviews
Alaska Airlines
8.0
Very good
9,818 reviews

Overall

8.0

Crew

8.5

Food

7.1

Boarding

8.2

Entertainment

7.1

Comfort

7.9

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 ($120), JetBlue ($179), and Southwest ($223).

  • 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 $411). 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
Renton
Lacey
Ocean Shores
Leavenworth
Federal Way
Olympia
Cle Elum
Centralia
Mukilteo
Aberdeen
Shoreline
Lynnwood
Shelton
Silverdale
Redmond
Monroe

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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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 April 1, 2025.
AirlineCheapestAverageFlexibilityOn-time
JetBlueCheapest$143Average$431FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$235Average$425FlexibilityNo cancel feeOn-time65%
United AirlinesCheapest$296Average$634FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$332Average$546FlexibilityNo cancel feeOn-time71%
DeltaCheapest$454Average$601FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$589Average$661FlexibilityNo cancel feeOn-time63%
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