$220+ 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 8/14. Fares are subject to change and may not be available on all flights or dates of travel.
SJU — SEA
Jul 18 — Jul 251
Round-trip
1 adult, Economy
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Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
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Cheapest flights from San Juan to SeattleExplore 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 June 18, 2026.
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 June 18, 2026.
This American Airlines deal was found by Cheapflights users on 6/16. 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.
Mon 7/134:38 pm
SJU
- SEA
1 stop10h 29m
American Airlines
Wed 7/155:10 am
SEA
- SJU
1 stop14h 49m
American Airlines
Deal found 6/16![American Airlines logo]()
$563
This United Airlines deal was found by Cheapflights users on 6/16. 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 10/227:00 am
SJU
- SEA
1 stop10h 53m
United Airlines
Mon 10/267:10 pm
SEA
- SJU
2 stops12h 40m
United Airlines
Deal found 6/16![United Airlines logo]()
$564
This American Airlines deal was found by Cheapflights users on 6/15. 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 7/2111:54 am
SJU
- SEA
1 stop15h 13m
American Airlines
Tue 8/45:10 am
SEA
- SJU
1 stop14h 49m
American Airlines
Deal found 6/15![American Airlines logo]()
$567
This American Airlines deal was found by Cheapflights users on 6/17. 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 9/2411:51 am
SJU
- SEA
2 stops15h 07m
American Airlines
Fri 10/25:02 pm
SEA
- SJU
2 stops13h 22m
American Airlines
Deal found 6/17![American Airlines logo]()
$569
This Southwest deal was found by Cheapflights users on 6/13. 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 7/3010:20 am
SJU
- SEA
2 stops14h 30m
Southwest
Mon 8/107:25 pm
SEA
- SJU
2 stops12h 35m
Southwest
Deal found 6/13![Southwest logo]()
$570
This American Airlines deal was found by Cheapflights users on 6/13. 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.
Sat 8/2212:55 am
SJU
- SEA
1 stop11h 34m
American Airlines
Sun 8/2311:11 pm
SEA
- SJU
2 stops12h 27m
American Airlines
Deal found 6/13![American Airlines logo]()
$573
This American Airlines deal was found by Cheapflights users on 6/15. 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 8/66:00 am
SJU
- SEA
1 stop21h 20m
American Airlines
Sun 8/1611:11 pm
SEA
- SJU
2 stops12h 27m
American Airlines
Deal found 6/15![American Airlines logo]()
$575
This Delta deal was found by Cheapflights users on 6/18. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/212:59 pm
SJU
- SEA
2 stops12h 00m
Delta
Tue 9/15:45 am
SEA
- SJU
2 stops13h 44m
Delta
Deal found 6/18![Delta logo]()
$576
This American Airlines deal was found by Cheapflights users on 6/13. 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.
Sat 8/296:00 am
SJU
- SEA
2 stops13h 52m
American Airlines
Sun 9/611:11 pm
SEA
- SJU
2 stops12h 27m
American Airlines
Deal found 6/13![American Airlines logo]()
$577
This American Airlines deal was found by Cheapflights users on 6/15. 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 7/305:45 am
SJU
- SEA
1 stop10h 23m
American Airlines
Mon 8/1011:16 pm
SEA
- SJU
1 stop12h 38m
American Airlines
Deal found 6/15![American Airlines logo]()
$583
Best flights from San Juan to SeattleDiscover carefully curated flight deals from San Juan to Seattle that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated June 18, 2026.
Discover carefully curated flight deals from San Juan to Seattle that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated June 18, 2026.
This Southwest deal was found by Cheapflights users on 6/16. 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 7/305:00 am
SJU
- SEA
2 stops11h 55m
Southwest
Mon 8/107:25 pm
SEA
- SJU
2 stops13h 55m
Southwest
Deal found 6/16![Southwest logo]()
$574
This United Airlines deal was found by Cheapflights users on 6/14. 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 8/217:00 am
SJU
- SEA
3 stops19h 26m
United Airlines
Mon 8/315:20 pm
SEA
- SJU
2 stops16h 34m
United Airlines
Deal found 6/14![United Airlines logo]()
$645
This Delta deal was found by Cheapflights users on 6/14. 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 9/41:19 pm
SJU
- SEA
2 stops13h 40m
Delta
Tue 9/811:59 pm
SEA
- SJU
2 stops13h 50m
Delta
Deal found 6/14![Delta logo]()
$655
This United Airlines deal was found by Cheapflights users on 6/16. 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 8/257:00 am
SJU
- SEA
2 stops14h 29m
United Airlines
Sat 9/53:30 pm
SEA
- SJU
3 stops26h 08m
United Airlines
Deal found 6/16![United Airlines logo]()
$666
This Southwest deal was found by Cheapflights users on 6/16. 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.
Sat 7/115:30 am
SJU
- SEA
1 stop16h 40m
Southwest
Sat 8/15:30 am
SEA
- SJU
2 stops14h 35m
Southwest
Deal found 6/16![Southwest logo]()
$695
This United Airlines deal was found by Cheapflights users on 6/15. 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 7/77:00 am
SJU
- SEA
2 stops15h 03m
United Airlines
Sat 8/1511:59 pm
SEA
- SJU
1 stop12h 43m
United Airlines
Deal found 6/15![United Airlines logo]()
$724
This Southwest deal was found by Cheapflights users on 6/17. 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.
Sun 7/265:45 am
SJU
- SEA
1 stop16h 10m
Southwest
Sat 8/15:30 am
SEA
- SJU
2 stops14h 35m
Southwest
Deal found 6/17![Southwest logo]()
$805
This United Airlines deal was found by Cheapflights users on 6/13. 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 6/302:05 am
SJU
- SEA
1 stop13h 42m
United Airlines
Tue 7/75:00 am
SEA
- SJU
1 stop12h 38m
United Airlines
Deal found 6/13![United Airlines logo]()
$794
This Southwest deal was found by Cheapflights users on 6/17. 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.
Sun 7/265:00 am
SJU
- SEA
2 stops12h 25m
Southwest
Fri 7/319:00 am
SEA
- SJU
2 stops12h 10m
Southwest
Deal found 6/17![Southwest logo]()
$805
This Southwest deal was found by Cheapflights users on 6/17. 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.
Sun 7/55:00 am
SJU
- SEA
2 stops12h 25m
Southwest
Wed 7/228:50 am
SEA
- SJU
1 stop13h 00m
Southwest
Deal found 6/17![Southwest logo]()
$816
This Southwest deal was found by Cheapflights users on 6/14. 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 7/179:50 am
SJU
- SEA
2 stops14h 10m
Southwest
Mon 7/2711:05 am
SEA
- SJU
1 stop10h 30m
Southwest
Deal found 6/14![Southwest logo]()
$841
Last-minute flights from San Juan to SeattleDiscover last-minute flight deals from San Juan to Seattle. Data last updated June 18, 2026 and is based on user searches.
Discover last-minute flight deals from San Juan to Seattle. Data last updated June 18, 2026 and is based on user searches.
This American Airlines deal was found by Cheapflights users on 6/16. 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.
Mon 7/134:38 pm
SJU
- SEA
1 stop10h 29m
American Airlines
Wed 7/155:10 am
SEA
- SJU
1 stop14h 49m
American Airlines
Deal found 6/16![American Airlines logo]()
$563
This American Airlines deal was found by Cheapflights users on 6/17. 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 7/152:25 pm
SJU
- SEA
1 stop11h 31m
American Airlines
Wed 7/225:10 am
SEA
- SJU
1 stop14h 49m
American Airlines
Deal found 6/17![American Airlines logo]()
$588
This American Airlines deal was found by Cheapflights users on 6/15. 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 7/2111:54 am
SJU
- SEA
1 stop15h 13m
American Airlines
Tue 8/45:10 am
SEA
- SJU
1 stop14h 49m
American Airlines
Deal found 6/15![American Airlines logo]()
$567
This American Airlines deal was found by Cheapflights users on 6/15. 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 7/2812:59 am
SJU
- SEA
1 stop11h 28m
American Airlines
Mon 8/1011:16 pm
SEA
- SJU
1 stop12h 38m
American Airlines
Deal found 6/15![American Airlines logo]()
$564
This Southwest deal was found by Cheapflights users on 6/13. 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 7/3010:20 am
SJU
- SEA
2 stops14h 30m
Southwest
Mon 8/107:25 pm
SEA
- SJU
2 stops12h 35m
Southwest
Deal found 6/13![Southwest logo]()
$570
This American Airlines deal was found by Cheapflights users on 6/15. 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 7/305:45 am
SJU
- SEA
1 stop10h 23m
American Airlines
Mon 8/1011:16 pm
SEA
- SJU
1 stop12h 38m
American Airlines
Deal found 6/15![American Airlines logo]()
$583
This Trip.com deal was found by Cheapflights users on 6/18. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/309:02 am
SJU
- SEA
2 stops28h 37m
Frontier
Mon 8/108:53 pm
SEA
- SJU
2 stops26h 22m
Frontier
Deal found 6/18![Frontier logo]()
$587
One-way flights from San Juan to SeattleSearch for one-way flight options from San Juan to Seattle. Find affordable one-way fares based on user searches. Data last updated June 18, 2026.
Search for one-way flight options from San Juan to Seattle. Find affordable one-way fares based on user searches. Data last updated June 18, 2026.
This Kiwi.com deal was found by Cheapflights users on 6/18. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/147:10 am
SJU
- SEA
2 stops52h 54m
Frontier
Deal found 6/18![Frontier logo]()
$220
This Delta deal was found by Cheapflights users on 6/18. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/267:30 am
SJU
- SEA
2 stops17h 35m
Delta
Deal found 6/18![Delta logo]()
$232
This Kiwi.com deal was found by Cheapflights users on 6/18. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/88:57 pm
SJU
- SEA
2 stops39h 54m
Frontier
Deal found 6/18![Frontier logo]()
$234
This American Airlines deal was found by Cheapflights users on 6/18. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/1010:16 am
SJU
- SEA
2 stops13h 13m
American Airlines
Deal found 6/18![American Airlines logo]()
$237
This American Airlines deal was found by Cheapflights users on 6/17. 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 8/273:28 pm
SJU
- SEA
1 stop11h 52m
American Airlines
Deal found 6/17![American Airlines logo]()
$242
This American Airlines deal was found by Cheapflights users on 6/18. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/2512:55 am
SJU
- SEA
1 stop11h 34m
American Airlines
Deal found 6/18![American Airlines logo]()
$243
This Kiwi.com deal was found by Cheapflights users on 6/18. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/167:10 am
SJU
- SEA
2 stops30h 58m
Frontier
Deal found 6/18![Frontier logo]()
$250
This American Airlines deal was found by Cheapflights users on 6/17. 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 8/44:38 pm
SJU
- SEA
1 stop10h 29m
American Airlines
Deal found 6/17![American Airlines logo]()
$272
This Kiwi.com deal was found by Cheapflights users on 6/17. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/315:22 pm
SJU
- SEA
2 stops20h 17m
Frontier
Deal found 6/17![Frontier logo]()
$281
This American Airlines deal was found by Cheapflights users on 6/14. 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 7/2812:59 am
SJU
- SEA
1 stop11h 28m
American Airlines
Deal found 6/14![American Airlines logo]()
$282
This American Airlines deal was found by Cheapflights users on 6/14. 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 7/83:02 pm
SJU
- SEA
1 stop12h 05m
American Airlines
Deal found 6/14![American Airlines logo]()
$288
This Kiwi.com deal was found by Cheapflights users on 6/18. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/266:45 am
SJU
- SEA
3 stops29h 34m
Multiple Airlines
Deal found 6/18![Multiple Airlines logo]()
$293
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 June 18, 2026.
Round-trip from | $563 (American Airlines) |
|---|---|
One-way from | $220 (Kiwi.com) |
Popular in | July |
Cheapest in | February |
Average price | $593 |
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 June 18, 2026.
Use the filters below to find and compare flights from San Juan to Seattle that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
San JuanSeattle
SJU - SEA
SJUSEA
San Juan Luis Munoz Marin Intl
Thu 7/30
5:00 am-1:55 pm
2 stops11h 55m
Seattle/Tacoma Intl
Mon 8/10
7:25 pm-12:20 pm
2 stops13h 55m
$574
San JuanSeattle
SJU - SEA
SJUSEA
San Juan Luis Munoz Marin Intl
Fri 8/21
7:00 am-11:26 pm
3 stops19h 26m
Seattle/Tacoma Intl
Mon 8/31
5:20 pm-12:54 pm
2 stops16h 34m
$645
San JuanSeattle
SJU - SEA
SJUSEA
San Juan Luis Munoz Marin Intl
Fri 9/4
1:19 pm-11:59 pm
2 stops13h 40m
Seattle/Tacoma Intl
Tue 9/8
11:59 pm-4:49 pm
2 stops13h 50m
$655
San JuanSeattle
SJU - SEA
SJUSEA
San Juan Luis Munoz Marin Intl
Tue 8/25
7:00 am-6:29 pm
2 stops14h 29m
Seattle/Tacoma Intl
Sat 9/5
3:30 pm-8:38 pm
3 stops26h 08m
$666
San JuanSeattle
SJU - SEA
SJUSEA
San Juan Luis Munoz Marin Intl
Sat 7/11
5:30 am-7:10 pm
1 stop16h 40m
Seattle/Tacoma Intl
Sat 8/1
5:30 am-11:05 pm
2 stops14h 35m
$695
San JuanSeattle
SJU - SEA
SJUSEA
San Juan Luis Munoz Marin Intl
Tue 7/7
7:00 am-7:03 pm
2 stops15h 03m
Seattle/Tacoma Intl
Sat 8/15
11:59 pm-3:42 pm
1 stop12h 43m
$724
San JuanSeattle
SJU - SEA
SJUSEA
San Juan Luis Munoz Marin Intl
Tue 6/30
2:05 am-12:47 pm
1 stop13h 42m
Seattle/Tacoma Intl
Tue 7/7
5:00 am-8:38 pm
1 stop12h 38m
$794
San JuanSeattle
SJU - SEA
SJUSEA
San Juan Luis Munoz Marin Intl
Sun 7/26
5:45 am-6:55 pm
1 stop16h 10m
Seattle/Tacoma Intl
Sat 8/1
5:30 am-11:05 pm
2 stops14h 35m
$805
Quickest round-trip
San JuanSeattle
SJU - SEA
SJUSEA
San Juan Luis Munoz Marin Intl
Sun 7/26
5:00 am-2:25 pm
2 stops12h 25m
Seattle/Tacoma Intl
Fri 7/31
9:00 am-12:10 am
2 stops12h 10m
$805
San JuanSeattle
SJU - SEA
SJUSEA
San Juan Luis Munoz Marin Intl
Sun 7/5
5:00 am-2:25 pm
2 stops12h 25m
Seattle/Tacoma Intl
Wed 7/22
8:50 am-12:50 am
1 stop13h 00m
$816
Showing 1-10 of 18 resultsSorted by cheapest first
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.
PR1-SEA
SJU-SEA
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
PR1-SEA
SJU-SEA
What is the cheapest month to book a flight from San Juan to Seattle?
Currently, May is the cheapest month in which you can book a flight from San Juan to Seattle (average of $182). Flying from San Juan to Seattle in January is currently the most expensive (average of $402). 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.
How much does it cost to fly round-trip from San Juan to Seattle?
How far ahead should I book a flight from San Juan to Seattle?
The best time to book flights from San Juan to Seattle is 32 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.
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 June 18, 2026.
Read reviews from past customers who have flown Southwest,Delta, andUnited 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.
Crew
8.6
Food
7.0
Overall
7.9
Boarding
8.1
Entertainment
7.5
Comfort
8.0
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Crew
8.6
Food
7.0
Overall
7.9
Boarding
8.1
Entertainment
7.5
Comfort
8.0
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Crew
8.6
Food
7.0
Overall
7.9
Boarding
8.1
Entertainment
7.5
Comfort
8.0
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Crew
8.6
Food
7.0
Overall
7.9
Boarding
8.1
Entertainment
7.5
Comfort
8.0
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Crew
8.6
Food
7.0
Overall
7.9
Boarding
8.1
Entertainment
7.5
Comfort
8.0
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Crew
8.6
Food
7.0
Overall
7.9
Boarding
8.1
Entertainment
7.5
Comfort
8.0
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
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.
Traveling to a place near Seattle?
Book flights to Seattle if you plan to visit one of these locationsSeaTac
Tacoma
Lacey
Ocean Shores
Leavenworth
Olympia
Edmonds
Snoqualmie
Tumwater
Tukwila
Puyallup
Kent
Lynnwood
Renton
Ellensburg
Fife
Lakewood
Issaquah
Shoreline
Marysville
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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 June 18, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$182 | Average$683 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$266 | Average$474 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$377 | Average$523 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$377 | Average$576 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$454 | Average$595 | FlexibilityNo cancel fee | On-time63% |