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Cheap flight deals from San Juan to Seattle Starting at TWD 4,363

Whether you’re going for a one-way or round-trip to Seattle, we’ve got you covered! Check out these different flight options from San Juan below.

  • One way
  • Round-trip
      • SJU07:00
        31h 52m
        1 stop
        SEA10:52
        Fri, Mar 7|San Juan - Seattle|Frontier Airlines
        TWD 4,363TWD 7,753
        44% OFF
        44% OFF
        TWD 7,753TWD 4,363

        Choose Frontier Airlines flights from San Juan to Seattle. The one-way connecting flight with Frontier Airlines departs from Luis Muñoz Marín International Airport on Fri, Mar 7, arriving at Seattle-Tacoma International Airport. One-way Prices start from TWD 4,363 including taxes and charges.

      • SJU07:00
        19h 38m
        1 stop
        SEA22:38
        Thu, Feb 27|San Juan - Seattle|Frontier Airlines
        TWD 5,330TWD 7,753
        31% OFF
        31% OFF
        TWD 7,753TWD 5,330

        Choose Frontier Airlines flights from San Juan to Seattle. The one-way connecting flight with Frontier Airlines departs from Luis Muñoz Marín International Airport on Thu, Feb 27, arriving at Seattle-Tacoma International Airport. One-way Prices start from TWD 5,330 including taxes and charges.

      • SJU07:45
        30h
        1 stop
        SEA10:45
        Tue, Mar 25|San Juan - Seattle|Frontier Airlines
        TWD 5,721TWD 7,753
        26% OFF
        26% OFF
        TWD 7,753TWD 5,721

        Choose Frontier Airlines flights from San Juan to Seattle. The one-way connecting flight with Frontier Airlines departs from Luis Muñoz Marín International Airport on Tue, Mar 25, arriving at Seattle-Tacoma International Airport. One-way Prices start from TWD 5,721 including taxes and charges.

      • SJU05:45
        33h 7m
        1 stop
        SEA10:52
        Fri, Mar 7|San Juan - Seattle|Jetblue Airways
        TWD 5,748
        TWD 5,748

        Choose Jetblue Airways flights from San Juan to Seattle. The one-way connecting flight with Jetblue Airways departs from Luis Muñoz Marín International Airport on Fri, Mar 7, arriving at Seattle-Tacoma International Airport. One-way Prices start from TWD 5,748 including taxes and charges.

      • SJU06:00
        31h 52m
        1 stop
        SEA10:52
        Mon, Mar 17|San Juan - Seattle|Frontier Airlines
        TWD 5,753
        TWD 5,753

        Choose Frontier Airlines flights from San Juan to Seattle. The one-way connecting flight with Frontier Airlines departs from Luis Muñoz Marín International Airport on Mon, Mar 17, arriving at Seattle-Tacoma International Airport. One-way Prices start from TWD 5,753 including taxes and charges.

      • SJU06:00
        19h 38m
        1 stop
        SEA22:38
        Fri, Mar 28|San Juan - Seattle|Frontier Airlines
        TWD 5,762
        TWD 5,762

        Choose Frontier Airlines flights from San Juan to Seattle. The one-way connecting flight with Frontier Airlines departs from Luis Muñoz Marín International Airport on Fri, Mar 28, arriving at Seattle-Tacoma International Airport. One-way Prices start from TWD 5,762 including taxes and charges.

      • SJU07:00
        19h 38m
        1 stop
        SEA22:38
        Wed, Feb 19|San Juan - Seattle|Frontier Airlines
        TWD 5,811
        TWD 5,811

        Choose Frontier Airlines flights from San Juan to Seattle. The one-way connecting flight with Frontier Airlines departs from Luis Muñoz Marín International Airport on Wed, Feb 19, arriving at Seattle-Tacoma International Airport. One-way Prices start from TWD 5,811 including taxes and charges.

      • SJU06:00
        19h 59m
        1 stop
        SEA21:59
        Fri, Feb 28|San Juan - Seattle|Frontier Airlines
        TWD 5,834
        TWD 5,834

        Choose Frontier Airlines flights from San Juan to Seattle. The one-way connecting flight with Frontier Airlines departs from Luis Muñoz Marín International Airport on Fri, Feb 28, arriving at Seattle-Tacoma International Airport. One-way Prices start from TWD 5,834 including taxes and charges.

      • SJU06:19
        17h 35m
        1 stop
        SEA20:54
        Tue, Apr 8|San Juan - Seattle|Frontier Airlines
        TWD 5,870
        TWD 5,870

        Choose Frontier Airlines flights from San Juan to Seattle. The one-way connecting flight with Frontier Airlines departs from Luis Muñoz Marín International Airport on Tue, Apr 8, arriving at Seattle-Tacoma International Airport. One-way Prices start from TWD 5,870 including taxes and charges.

      • SJU12:16
        12h 14m
        1 stop
        SEA21:30
        Tue, Apr 8|San Juan - Seattle|Jetblue Airways
        TWD 5,892
        TWD 5,892

        Choose Jetblue Airways flights from San Juan to Seattle. The one-way connecting flight with Jetblue Airways departs from Luis Muñoz Marín International Airport on Tue, Apr 8, arriving at Seattle-Tacoma International Airport. One-way Prices start from TWD 5,892 including taxes and charges.

      • SJU01:00 pm
        3h 5m
        Nonstop
        SEA02:00 pm
        Wed, Feb 26|San Juan - Seattle|Frontier Airlines
        Find More Flights
        Find More Flights

Crossed out prices are calculated based on the average price of the corresponding route on Trip.com.

San Juan to Seattle flight time & flight schedules

Flight info.
Departure
Arrival
Weekly Schedule

  1. F93002

    Frontier Airlines

    07:00

    SJU

    4.3h

    10:18

    BOS

    S-TWTFS
    Search

  2. AS364

    Alaska Airlines

    16:30

    BOS

    6.2h

    19:41

    SEA

    SMTWTFS

  3. F93002

    Frontier Airlines

    07:00

    SJU

    4.3h

    10:18

    BOS

    S-TWTFS
    Search

  4. B6497

    Jetblue Airways

    19:44

    BOS

    6.3h

    23:05

    SEA

    SMTWTFS

  5. F92283

    Frontier Airlines

    08:41

    SJU

    1.9h

    10:38

    MIA

    SM-WTFS
    Search

  6. F93137

    Frontier Airlines

    06:00

    MIA

    4.7h

    08:39

    DEN

    SMTWTFS

  7. F91175

    Frontier Airlines

    09:25

    DEN

    3.1h

    11:31

    SEA

    S-TWTFS

  8. F93574

    Frontier Airlines

    08:45

    SJU

    4.3h

    12:03

    EWR

    SMTWTFS
    Search

  9. AS477

    Alaska Airlines

    18:00

    EWR

    6.0h

    21:00

    SEA

    SMTWTFS

  10. F93574

    Frontier Airlines

    08:45

    SJU

    4.3h

    12:03

    EWR

    SMTWTFS
    Search

  11. AS017

    Alaska Airlines

    18:50

    JFK

    6.2h

    22:00

    SEA

    SMTWTFS

  12. F93546

    Frontier Airlines

    10:44

    SJU

    4.3h

    13:59

    JFK

    SMTWTFS
    Search

  13. HA4990

    Hawaiian Airlines

    07:29

    JFK

    6.1h

    10:37

    SEA

    SMTWTFS

  14. B61462

    Jetblue Airways

    14:02

    SJU

    4.4h

    17:27

    BOS

    SMTWTFS
    Search

  15. B6497

    Jetblue Airways

    19:44

    BOS

    6.3h

    23:05

    SEA

    SMTWTFS

  16. F93548

    Frontier Airlines

    22:31

    SJU

    4.3h

    01:46

    JFK

    SMTWTFS
    Search

  17. AS031

    Alaska Airlines

    16:54

    JFK

    6.1h

    20:00

    SEA

    SMTWTFS

  18. F93377

    Frontier Airlines

    22:35

    SJU

    3.0h

    00:35

    MIA

    SMTWTFS
    Search

  19. F93137

    Frontier Airlines

    06:00

    MIA

    4.7h

    08:39

    DEN

    SMTWTFS

  20. F91175

    Frontier Airlines

    09:25

    DEN

    3.1h

    11:31

    SEA

    S-TWTFS

  21. F93377

    Frontier Airlines

    22:35

    SJU

    3.0h

    00:35

    MIA

    SMTWTFS
    Search

  22. F92675

    Frontier Airlines

    13:29

    MIA

    3.6h

    16:06

    DFW

    S-TWT-S

  23. F94065

    Frontier Airlines

    14:14

    DFW

    4.4h

    16:40

    SEA

    ----T--
Find more flights and airlines

When is the cheapest time to fly from San Juan to Seattle?

Explore the best time to buy affordable tickets to Seattle with our price trend chart, which predicts how flight prices will change in the coming weeks from previous data.

Displayed prices are calculated based on the cheapest average weekly prices of the corresponding route on Trip.com.

Frequently Asked Questions

  • When are flight tickets from San Juan (SJU) to Seattle (SEA) the cheapest?

    Airlines adjust prices for flights from San Juan to Seattle based on the date and time of your booking. By analyzing data from all airlines, on Trip.com, you can find the lowest flight prices on Tuesdays, Wednesdays, and Saturdays.

  • How much do flights from San Juan (SJU) to Seattle (SEA) cost?

    According to Trip.com's data, the lowest price is around TWD 12,441.

  • What is the transportation method from the main airport to downtown in Seattle?

    • The distance from Seattle-Tacoma International Airport to downtown is about 17 km, by taxi about 30 minutes.

  • How many airports are there in Seattle (SEA)?

How to find a cheap flight from San Juan to Seattle

If you don’t know some of the key things to look out for when buying flight tickets, prices can often end up sky high or, worse, sold out! We’ve carefully compiled our six most important steps to help ensure you’re getting the best deals when planning your next journey.
1
Book Early
Once prices are gone, they're gone. Lock in deals while you can!
2
Compare Flight Prices
Compare prices on travel agency and airline websites.
3
Look Out for Deals
Check airline and travel agency websites for latest flight deals
4
Check One-way Fares
Buying two cheap one-way flights can sometimes be a better deal than a round-trip.
5
Try Different Dates
Flying during the week, early in the morning, or late at night can help save money.
6
Use the Trip.com App
Save up to £10 per person when booking your flights on Trip.com

Flight Info | San Juan to Seattle

Cheapest direct flight priceTWD 4,363
Off-season for travelMarch
Peak season for travelNovember
Flight distance5,994.45 km
Popular airlineJetblue Airways

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