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$156+ Cheap flights from San Juan 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 2/18. Fares are subject to change and may not be available on all flights or dates of travel.
SJU — SEA
Feb 28 — Mar 71
Sat 2/28
Sat 3/7
1 adult, Economy
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Cheap flight deals from San Juan to Seattle

Cheapest flights from San Juan to Seattle
Explore the most affordable flight options available from San Juan to Seattle. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 29, 2026.

This American Airlines deal was found by Cheapflights users on 1/28. 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 2/242:30 pm
SJU
-
SEA
1 stop11h 27m
American Airlines
Tue 3/311:57 pm
SEA
-
SJU
2 stops12h 04m
American Airlines
Deal found 1/28$384
This American Airlines deal was found by Cheapflights users on 1/27. 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.
Wed 3/189:20 am
SJU
-
SEA
1 stop15h 37m
American Airlines
Tue 3/316:00 am
SEA
-
SJU
1 stop10h 39m
American Airlines
Deal found 1/27$394
This Southwest deal was found by Cheapflights users on 1/28. 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.
Tue 5/125:05 am
SJU
-
SEA
2 stops16h 25m
Southwest
Sun 5/245:20 pm
SEA
-
SJU
2 stops12h 50m
Southwest
Deal found 1/28$405
This United Airlines deal was found by Cheapflights users on 1/27. 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 5/51:40 pm
SJU
-
SEA
1 stop10h 26m
United Airlines
Thu 5/75:05 am
SEA
-
SJU
1 stop9h 33m
United Airlines
Deal found 1/27$417
This Faresmojo deal was found by Cheapflights users on 1/26. 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 Faresmojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/1711:25 pm
SJU
-
SEA
1 stop13h 55m
JetBlue
Wed 5/2711:30 am
SEA
-
SJU
1 stop10h 49m
JetBlue
Deal found 1/26$427
This eDestinos deal was found by Cheapflights users on 1/27. 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 5/83:18 pm
SJU
-
SEA
2 stops29h 24m
Frontier
Sat 5/166:57 pm
SEA
-
SJU
2 stops16h 11m
Frontier
Deal found 1/27$434
This United Airlines deal was found by Cheapflights users on 1/28. 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 2/192:05 am
SJU
-
SEA
1 stop13h 09m
United Airlines
Sun 2/226:45 am
SEA
-
SJU
1 stop10h 41m
United Airlines
Deal found 1/28$438
This eDestinos deal was found by Cheapflights users on 1/27. 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.
Wed 2/114:06 pm
SJU
-
SEA
2 stops35h 38m
Multiple Airlines
Thu 2/191:16 pm
SEA
-
SJU
3 stops45h 51m
Multiple Airlines
Deal found 1/27$441
This United Airlines deal was found by Cheapflights users on 1/28. 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 5/127:20 am
SJU
-
SEA
2 stops14h 40m
United Airlines
Sun 5/245:00 am
SEA
-
SJU
1 stop9h 38m
United Airlines
Deal found 1/28$442
This Southwest deal was found by Cheapflights users on 1/27. 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.
Thu 5/142:00 pm
SJU
-
SEA
2 stops13h 05m
Southwest
Sun 5/245:20 pm
SEA
-
SJU
2 stops12h 50m
Southwest
Deal found 1/27$444
This eDestinos deal was found by Cheapflights users on 1/27. 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.
Tue 5/510:53 am
SJU
-
SEA
2 stops49h 34m
Multiple Airlines
Thu 5/71:28 pm
SEA
-
SJU
2 stops30h 20m
Multiple Airlines
Deal found 1/27$449
This American Airlines deal was found by Cheapflights users on 1/27. 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.
Thu 8/131:35 pm
SJU
-
SEA
2 stops14h 19m
American Airlines
Mon 8/245:43 pm
SEA
-
SJU
1 stop17h 42m
American Airlines
Deal found 1/27$450

Find flight deals from San Juan to Seattle

Discover tips and strategies to find the most affordable flight options for your journey from San Juan (PR1) to Seattle (SEA). 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 January 29, 2026.

Round-trip from

$384
(American Airlines)

One-way from

$156
(Kiwi.com)

Popular in

July

Cheapest in

February

Average price

$632
From San Juan to Seattle/Tacoma Intl
Search Deals
One-way flight from San Juan to Seattle/Tacoma Intl
Search Deals
Highest demand for flights based on searches. 11% potential increase in price ($66 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($13 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from San Juan 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 January 29, 2026.
Use the filters below to find and compare flights from San Juan to Seattle that are best for you.

Fly from

San Juan

Fly to

Seattle

Route

Depart

Return

Price

San JuanSeattle

SJU - SEA

SJUSEA

San Juan Luis Munoz Marin Intl

Tue 2/24

2:30 pm-9:57 pm

1 stop11h 27m

Seattle/Tacoma Intl

Tue 3/3

11:57 pm-4:01 pm

2 stops12h 04m

$384

San JuanSeattle

SJU - SEA

SJUSEA

San Juan Luis Munoz Marin Intl

Thu 5/7

7:40 am-3:48 pm

1 stop11h 08m

Seattle/Tacoma Intl

Sat 5/16

7:36 pm-12:34 pm

2 stops13h 58m

$384

San JuanSeattle

SJU - SEA

SJUSEA

San Juan Luis Munoz Marin Intl

Tue 5/5

1:40 pm-9:06 pm

1 stop10h 26m

Seattle/Tacoma Intl

Thu 5/7

5:05 am-5:38 pm

1 stop9h 33m

$417

San JuanSeattle

SJU - SEA

SJUSEA

San Juan Luis Munoz Marin Intl

Tue 5/12

7:20 am-7:00 pm

2 stops14h 40m

Seattle/Tacoma Intl

Sun 5/24

5:00 am-5:38 pm

1 stop9h 38m

$442

San JuanSeattle

SJU - SEA

SJUSEA

San Juan Luis Munoz Marin Intl

Fri 5/29

1:40 pm-10:59 pm

1 stop12h 19m

Seattle/Tacoma Intl

Mon 6/8

11:59 pm-3:42 pm

1 stop12h 43m

$474

San JuanSeattle

SJU - SEA

SJUSEA

San Juan Luis Munoz Marin Intl

Wed 2/25

2:05 am-4:21 pm

2 stops18h 16m

Seattle/Tacoma Intl

Mon 3/2

7:29 pm-2:40 pm

2 stops15h 11m

$474

San JuanSeattle

SJU - SEA

SJUSEA

San Juan Luis Munoz Marin Intl

Wed 2/18

11:07 am-12:01 pm

2 stops28h 54m

$156

San JuanSeattle

SJU - SEA

SJUSEA

San Juan Luis Munoz Marin Intl

Fri 4/24

1:59 am-9:27 am

2 stops34h 28m

$157

San JuanSeattle

SJU - SEA

SJUSEA

San Juan Luis Munoz Marin Intl

Wed 3/4

3:53 am-11:19 am

2 stops35h 26m

$160

San JuanSeattle

SJU - SEA

SJUSEA

San Juan Luis Munoz Marin Intl

Tue 3/10

10:52 am-5:09 pm

3 stops33h 17m

$183

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/27

Showing 1-10 of 18 results
1
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Best time to book a flight from San Juan to Seattle

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

How far ahead should I book a flight from San Juan to Seattle?

Use this chart to determine the optimal time to book a round-trip flight from San Juan to Seattle. Price data was last updated on January 23, 2026.

The best time to book flights from San Juan to Seattle is 71 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

What is the cheapest month to book a flight from San Juan to Seattle?

Currently, March is the cheapest month in which you can book a flight from San Juan to Seattle (average of $215). Flying from San Juan to Seattle in January is currently the most expensive (average of $422). 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.

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 January 29, 2026.
Read reviews from past customers who have flown Delta, United Airlines, and American Airlines from San Juan to Seattle. 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.
Delta
7.9
Good
8,128 reviews

Food

7.2

Boarding

8.1

Comfort

7.9

Crew

8.5

Entertainment

7.8

Overall

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Delta
7.9
Good
8,128 reviews
Delta
7.9
Good
8,128 reviews

Food

7.2

Boarding

8.1

Comfort

7.9

Crew

8.5

Entertainment

7.8

Overall

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
United Airlines
7.4
Good
9,215 reviews
Delta
7.9
Good
8,128 reviews

Food

7.2

Boarding

8.1

Comfort

7.9

Crew

8.5

Entertainment

7.8

Overall

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
American Airlines
7.2
Good
11,205 reviews
Delta
7.9
Good
8,128 reviews

Food

7.2

Boarding

8.1

Comfort

7.9

Crew

8.5

Entertainment

7.8

Overall

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
JetBlue
7.2
Good
2,892 reviews
Delta
7.9
Good
8,128 reviews

Food

7.2

Boarding

8.1

Comfort

7.9

Crew

8.5

Entertainment

7.8

Overall

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Spirit Airlines
6.3
Okay
8,393 reviews
Delta
7.9
Good
8,128 reviews

Food

7.2

Boarding

8.1

Comfort

7.9

Crew

8.5

Entertainment

7.8

Overall

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

Related info for your journey

Find useful and relevant information for your journey from San Juan 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 San Juan?

    Seattle/Tacoma Intl (SEA) is the airport you will fly into if you book a flight from San Juan to Seattle. You should not have trouble finding flights to Seattle/Tacoma Intl from San Juan; the airport handles an average of 0 inbound flights from San Juan per day. You should also have plenty of airline options to choose from since 5 airlines have flights to the Seattle airport from San Juan. It is only a 11.4 mi journey from Seattle/Tacoma Intl (SEA) to Seattle’s city center.

  • How long is the flight from San Juan to Seattle?

    Airlines like American Airlines and United Airlines fly from San Juan to Seattle in about 11h 08m. The time it takes to get you to your destination can typically vary by up to 19m. San Juan and Seattle are separated by a distance of 3723 mi. This flight may include one or multiple stops.

  • What are the cheapest airlines flying from San Juan to Seattle round-trip?

    Our cheapest airline available from San Juan to Seattle is JetBlue. Our recent data shows that you can find tickets from as low as $213 on this airline. Additional options worth looking into are Spirit Airlines and Delta, starting at $241 and $256 round-trip. JetBlue is currently priced 60% below the average price you’ll pay for this route.

  • What are the cheapest airlines to fly from San Juan to Seattle one-way?

    To fly one-way, consider booking your trip with JetBlue, which is currently one of the cheapest options available, starting at $174. American Airlines flights start at $182 while deals on Delta start at $182 one-way.

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

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

  • How can I find direct flights from San Juan to Seattle?

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

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

    Yes. Cheapflights offers flight deals from San Juan 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 San Juan to Seattle?

    Currently, March is the cheapest month in which you can book a flight from San Juan to Seattle (average of $215). Flying from San Juan to Seattle in January is currently the most expensive (average of $422). 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 Seattle?

Book flights to Seattle if you plan to visit one of these locations
Tacoma
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Lakewood
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Alternative routes for San Juan to Seattle

See prices for flight routes from nearby airports that may be better suited for you.
Luis Munoz Marin Intl to Seattle flights
Luis Munoz Marin Intl to Portland flights
Aguadilla to Portland flights
Aguadilla to Seattle flights

Top 5 airlines flying from San Juan to Seattle

Discover the top 5 airlines that operate flights from San Juan 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 January 29, 2026.
AirlineCheapestAverageFlexibilityOn-time
JetBlueCheapest$213Average$474FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$241Average$425FlexibilityNo cancel feeOn-time65%
DeltaCheapest$256Average$660FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$364Average$549FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$367Average$516FlexibilityNo cancel feeOn-time69%

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