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Seattle-Tacoma International Airport to Suvarnabhumi Airport flight

Explore the cheapest one-way and round-trip flights from Seattle-Tacoma International Airport to Suvarnabhumi Airport over the next 90 days, with one-way fares from PHP 18,632 and round-trip from PHP 40,478. Based on Trip.com's latest 7-day flight data.

      • SEA 08:40
        20h 20m
        1 stop
        BKK 20:00
        Seattle - Bangkok | Tue, Nov 10 | Singapore Airlines
        BKK 15:45
        30h 20m
        1 stop
        SEA 07:05
        Bangkok - Seattle | Thu, Nov 12 | Singapore Airlines
        PHP 40,478 PHP 61,319
        34% off
        34% off
        PHP 61,319 PHP 40,478
      • SEA 08:40
        20h 20m
        1 stop
        BKK 20:00
        Seattle - Bangkok | Tue, Nov 17 | Singapore Airlines
        BKK 12:00
        34h 5m
        1 stop
        SEA 07:05
        Bangkok - Seattle | Thu, Nov 19 | Singapore Airlines
        PHP 40,497 PHP 61,319
        34% off
        34% off
        PHP 61,319 PHP 40,497
      • SEA 08:40
        41h 20m
        1 stop
        BKK 17:00
        Seattle - Bangkok | Fri, Nov 13 | Singapore Airlines
        BKK 09:40
        36h 25m
        1 stop
        SEA 07:05
        Bangkok - Seattle | Tue, Nov 17 | Singapore Airlines
        PHP 40,985 PHP 61,319
        33% off
        33% off
        PHP 61,319 PHP 40,985
      • SEA 08:40
        20h 20m
        1 stop
        BKK 20:00
        Seattle - Bangkok | Sat, Nov 28 | Singapore Airlines
        BKK 20:00
        26h 5m
        1 stop
        SEA 07:05
        Bangkok - Seattle | Tue, Dec 1 | Singapore Airlines
        PHP 41,547
        32% off
        PHP 61,319 PHP 41,547
      • SEA 08:40
        20h 20m
        1 stop
        BKK 20:00
        Seattle - Bangkok | Sun, Nov 29 | Singapore Airlines
        BKK 18:10
        27h 55m
        1 stop
        SEA 07:05
        Bangkok - Seattle | Tue, Dec 1 | Singapore Airlines
        PHP 41,547
        32% off
        PHP 61,319 PHP 41,547
      • SEA 08:40
        41h 20m
        1 stop
        BKK 17:00
        Seattle - Bangkok | Sun, Nov 15 | Singapore Airlines
        BKK 09:40
        36h 25m
        1 stop
        SEA 07:05
        Bangkok - Seattle | Thu, Nov 19 | Singapore Airlines
        PHP 42,240
        31% off
        PHP 61,319 PHP 42,240
      • SEA 08:40
        41h 20m
        1 stop
        BKK 17:00
        Seattle - Bangkok | Wed, Dec 2 | Singapore Airlines
        BKK 20:00
        26h 5m
        1 stop
        SEA 07:05
        Bangkok - Seattle | Sat, Dec 5 | Singapore Airlines
        PHP 42,540
        31% off
        PHP 61,319 PHP 42,540
      • SEA 08:40
        20h 20m
        1 stop
        BKK 20:00
        Seattle - Bangkok | Tue, Dec 1 | Singapore Airlines
        BKK 09:40
        36h 25m
        1 stop
        SEA 07:05
        Bangkok - Seattle | Mon, Dec 7 | Singapore Airlines
        PHP 42,934
        30% off
        PHP 61,319 PHP 42,934
      • SEA 08:40
        38h 55m
        1 stop
        BKK 14:35
        Seattle - Bangkok | Fri, Nov 27 | Singapore Airlines
        BKK 09:40
        36h 25m
        1 stop
        SEA 07:05
        Bangkok - Seattle | Tue, Dec 1 | Singapore Airlines
        PHP 45,174
        26% off
        PHP 61,319 PHP 45,174
      • SEA 08:40
        43h 5m
        1 stop
        BKK 18:45
        Seattle - Bangkok | Sat, Nov 14 | Singapore Airlines
        BKK 12:00
        34h 5m
        1 stop
        SEA 07:05
        Bangkok - Seattle | Tue, Nov 17 | Singapore Airlines
        PHP 45,333
        26% off
        PHP 61,319 PHP 45,333
      • SEA 09:40
        43h 5m
        1 stop
        BKK 18:45
        Seattle - Bangkok | Tue, Oct 27 | Singapore Airlines
        BKK 09:40
        36h 25m
        1 stop
        SEA 07:05
        Bangkok - Seattle | Tue, Nov 3 | Singapore Airlines
        PHP 45,652
        26% off
        PHP 61,319 PHP 45,652
      • SEA 08:40
        43h 5m
        1 stop
        BKK 18:45
        Seattle - Bangkok | Wed, Nov 11 | Singapore Airlines
        BKK 09:40
        36h 25m
        1 stop
        SEA 07:05
        Bangkok - Seattle | Tue, Nov 17 | Singapore Airlines
        PHP 45,989
        25% off
        PHP 61,319 PHP 45,989
      • SEA 13:00
        17h 25m
        1 stop
        BKK 14:00
        Seattle - Bangkok | Sat, Oct 10 | Normal Airline
        BKK 15:00
        6h
        Direct
        SEA 16:00
        Bangkok - Seattle | Mon, Oct 12 | Normal Airline
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      • SEA 08:40
        41h 20m
        1 stop
        BKK 17:00
        Seattle - Bangkok | Sat, Nov 28 | Singapore Airlines
        PHP 18,632 PHP 34,240
        46% off
        46% off
        PHP 34,240 PHP 18,632
      • SEA 08:40
        43h 5m
        1 stop
        BKK 18:45
        Seattle - Bangkok | Sun, Nov 29 | Singapore Airlines
        PHP 18,932 PHP 34,240
        45% off
        45% off
        PHP 34,240 PHP 18,932
      • SEA 10:20
        37h
        1 stop
        BKK 14:20
        Seattle - Bangkok | Tue, Nov 10 | Hainan Airlines
        PHP 24,752 PHP 34,240
        28% off
        28% off
        PHP 34,240 PHP 24,752
      • SEA 10:20
        37h
        1 stop
        BKK 14:20
        Seattle - Bangkok | Sat, Nov 28 | Hainan Airlines
        PHP 24,865
        27% off
        PHP 34,240 PHP 24,865
      • SEA 11:00
        35h 25m
        1 stop
        BKK 13:25
        Seattle - Bangkok | Sun, Nov 22 | Korean Air
        PHP 25,061
        27% off
        PHP 34,240 PHP 25,061
      • SEA 11:00
        22h 45m
        1 stop
        BKK 00:45
        Seattle - Bangkok | Fri, Nov 27 | Korean Air
        PHP 25,099
        27% off
        PHP 34,240 PHP 25,099
      • SEA 11:00
        22h 45m
        1 stop
        BKK 00:45
        Seattle - Bangkok | Sat, Nov 14 | Korean Air
        PHP 25,099
        27% off
        PHP 34,240 PHP 25,099
      • SEA 00:10
        30h 50m
        1 stop
        BKK 22:00
        Seattle - Bangkok | Fri, Nov 13 | Asiana Airlines
        PHP 25,136
        27% off
        PHP 34,240 PHP 25,136
      • SEA 00:10
        30h 50m
        1 stop
        BKK 22:00
        Seattle - Bangkok | Sat, Nov 14 | Asiana Airlines
        PHP 25,249
        26% off
        PHP 34,240 PHP 25,249
      • SEA 00:10
        30h 50m
        1 stop
        BKK 22:00
        Seattle - Bangkok | Fri, Nov 27 | Asiana Airlines
        PHP 25,249
        26% off
        PHP 34,240 PHP 25,249
      • SEA 11:00
        35h 25m
        1 stop
        BKK 13:25
        Seattle - Bangkok | Fri, Nov 13 | Korean Air
        PHP 25,539
        25% off
        PHP 34,240 PHP 25,539
      • SEA 11:05
        33h 35m
        1 stop
        BKK 10:40
        Seattle - Bangkok | Thu, Oct 29 | Hainan Airlines
        PHP 25,680
        25% off
        PHP 34,240 PHP 25,680
      • SEA 13:00
        17h 25m
        1 stop
        BKK 14:00
        Seattle - Bangkok | Sat, Oct 10 | Normal Airline
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        Find more flights

Flight fares from Seattle-Tacoma International Airport to Suvarnabhumi Airport are based on average airline prices for the next 3 months, according to Trip.com’s latest data.

Trip.com Price Insights: Flights from Seattle-Tacoma International Airport to Suvarnabhumi Airport

What is the cheapest month to fly from Seattle-Tacoma International Airport to Suvarnabhumi Airport?

The data is based on the past 12 months and shows the average one-way ticket prices from Seattle-Tacoma International Airport to Suvarnabhumi Airport for each month in the Trip.com database.

Based on Trip.com's data from the past 12 months, the cheapest one-way flights from Seattle-Tacoma International Airport to Suvarnabhumi Airport are usually in April, with an average price of PHP 26,102. It is best to avoid June, when the average price can reach PHP 58,663.

PHP 58,663
PHP 42,383
PHP 26,102
PHP 9,822
    Cheapest
  • PHP 28,447
    Oct
  • PHP 27,021
    Nov
  • PHP 48,918
    Dec
  • PHP 29,334
    Jan
  • PHP 30,323
    Feb
  • PHP 29,910
    Mar
  • PHP 26,102
    Apr
  • PHP 34,330
    May
  • PHP 58,663
    Jun
  • PHP 33,669
    Jul
  • PHP 44,228
    Aug
  • PHP 26,146
    Sep

What is the cheapest month to fly return from Seattle-Tacoma International Airport to Suvarnabhumi Airport?

The data is based on the past 12 months and shows the average monthly return fares from Seattle-Tacoma International Airport to Suvarnabhumi Airport in the Trip.com database.

Based on Trip.com's data from the past 12 months, September is often the month to find the lowest fares from Seattle-Tacoma International Airport to Suvarnabhumi Airport, with an average price of PHP 50,223. December is usually the most expensive month, with an average price reaching PHP 89,877.

PHP 89,877
PHP 70,050
PHP 50,223
PHP 30,396
    Cheapest
  • PHP 55,861
    Oct
  • PHP 50,319
    Nov
  • PHP 89,877
    Dec
  • PHP 50,945
    Jan
  • PHP 51,077
    Feb
  • PHP 57,578
    Mar
  • PHP 55,304
    Apr
  • PHP 60,964
    May
  • PHP 74,613
    Jun
  • PHP 63,709
    Jul
  • PHP 57,063
    Aug
  • PHP 50,223
    Sep

What is the cheapest day of the week to fly from Seattle-Tacoma International Airport to Suvarnabhumi Airport?

The data is based on the past 12 months and shows the average ticket prices from Seattle-Tacoma International Airport to Suvarnabhumi Airport for each day of the week in the Trip.com database.

Based on Trip.com's data from the past 12 months, the cheapest departure day from Seattle-Tacoma International Airport to Suvarnabhumi Airport is Sunday, with average prices usually lower than other days. Avoid departing on Saturday as prices are typically highest on that day.

PHP 45,429
PHP 37,563
PHP 29,697
PHP 21,831
    Cheapest
  • PHP 33,614
    Mon
  • PHP 30,621
    Tue
  • PHP 32,733
    Wed
  • PHP 33,521
    Thu
  • PHP 39,732
    Fri
  • PHP 45,429
    Sat
  • PHP 29,697
    Sun

Which airline offers the cheapest flights from Seattle-Tacoma International Airport to Suvarnabhumi Airport?

The cheapest airline flying from Seattle-Tacoma International Airport to Suvarnabhumi Airport is Singapore Airlines (from PHP 18,632) among 10 carriers operating this route. Based on Trip.com's latest 7-day flight data.

Singapore Airlines
From PHP 18,632
Alaska Airlines
From PHP 20,947
Hainan Airlines
From PHP 24,752
Korean Air
From PHP 25,061
Asiana Airlines
From PHP 25,136
Frontier Airlines
From PHP 25,146
Philippine Airlines
From PHP 25,999
Japan Airlines
From PHP 26,261
China Airlines
From PHP 26,289
United Airlines
From PHP 26,420

Find more flights and airlines

What is the flight schedule from Seattle-Tacoma International Airport to Suvarnabhumi Airport?

Check the schedule for flights from Seattle to Bangkok and find the flight that best matches your travel plans.

Flight info.
Departure
Arrival
Weekly Schedule

  1. CI021

    Seattle-Tacoma International Airport

    01:15

    SEA

    12h 45m

    Direct

    05:00

    TPE

    S M T - T - S
    Search

  2. CI831

    Taiwan Taoyuan International Airport

    09:25

    TPE

    3h 45m

    Direct

    12:10

    BKK

    S M T W T F S

  3. HU496

    Seattle-Tacoma International Airport

    11:10

    SEA

    13h

    Direct

    15:10

    PEK

    - M - - - F -
    Search

  4. HU7995

    Beijing Capital International Airport

    19:00

    PEK

    5h 25m

    Direct

    23:25

    BKK

    S M - W T - -

  5. KE042

    Seattle-Tacoma International Airport

    12:50

    SEA

    11h 50m

    Direct

    16:40

    ICN

    S M T W T F S
    Search

  6. KE659

    Incheon International Airport

    19:00

    ICN

    5h 55m

    Direct

    22:55

    BKK

    S M T W T F S

  7. JL067

    Seattle-Tacoma International Airport

    13:30

    SEA

    9h 30m

    Direct

    16:00

    NRT

    S M T W T F S
    Search

  8. JL033

    Haneda Airport

    00:05

    HND

    7h

    Direct

    05:05

    BKK

    S M T W T F S

  9. PR125

    Seattle-Tacoma International Airport

    23:55

    SEA

    12h 30m

    Direct

    04:25

    MNL

    - M - W T - S
    Search

  10. PR736

    Ninoy Aquino International Airport

    14:25

    MNL

    3h 20m

    Direct

    16:45

    BKK

    S M T W T F S

  11. OZ271

    Seattle-Tacoma International Airport

    00:25

    SEA

    11h 48m

    Direct

    04:13

    ICN

    S - - - T F -
    Search

  12. OZ741

    Incheon International Airport

    19:35

    ICN

    6h

    Direct

    23:35

    BKK

    S M T W T F S

  13. HU446

    Seattle-Tacoma International Airport

    10:05

    SEA

    15h

    Direct

    17:05

    CKG

    - - - W - - -
    Search

  14. HU423

    Chongqing Jiangbei International Airport

    07:55

    CKG

    3h 20m

    Direct

    10:15

    BKK

    S M T W T F S

  15. PR125

    Seattle-Tacoma International Airport

    23:55

    SEA

    12h 30m

    Direct

    04:25

    MNL

    - M - W T - S
    Search

  16. PR732

    Ninoy Aquino International Airport

    19:20

    MNL

    3h 30m

    Direct

    21:50

    BKK

    S M T W T F S

  17. CI021

    Seattle-Tacoma International Airport

    01:15

    SEA

    12h 45m

    Direct

    05:00

    TPE

    S M T - T - S
    Search

  18. CI837

    Taiwan Taoyuan International Airport

    22:40

    TPE

    3h 45m

    Direct

    01:25

    BKK

    S M T W T F S

  19. KE042

    Seattle-Tacoma International Airport

    12:50

    SEA

    11h 50m

    Direct

    16:40

    ICN

    S M T W T F S
    Search

  20. KE657

    Incheon International Airport

    09:00

    ICN

    6h

    Direct

    13:00

    BKK

    S M T W T F S
Find more flights and airlines

About Seattle-Tacoma International Airport and Suvarnabhumi Airport

Learn about Seattle-Tacoma International Airport (SEA) and Suvarnabhumi Airport (BKK) — including location, terminals, transportation, and travel tips.

Flight distance 12,000.72km
Cheapest one-way ticket price PHP 18,632
Cheapest return ticket price PHP 40,478

FAQs for Seattle-Tacoma International Airport to Suvarnabhumi Airport Flights

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

    • The distance from Suvarnabhumi Airport to downtown is about 24km, by taxi about 40 minutes.
    • The distance from Don Mueang International Airport to downtown is about 22km, by taxi about 40 minutes.
  • One-way flights from Seattle-Tacoma International Airport to Suvarnabhumi Airport currently start from PHP 18,632, and round-trip fares start from PHP 40,478. The current lowest fare is a Singapore Airlines flight departing on Sat, Nov 28; prices may vary depending on availability.
  • Based on Trip.com flight data for departures within the next 30 days with at most one stop, the average one-way price from Seattle-Tacoma International Airport to Suvarnabhumi Airport is PHP 39,752. Prices may vary depending on the departure date, airline, and availability.
  • Enter Seattle-Tacoma International Airport and Suvarnabhumi Airport, select your departure date and number of passengers, then compare flights by price, flight duration, and baggage allowance. Once you've chosen a fare, review the change and refund rules, fill in passenger details, and pay to receive your booking confirmation.

Find Cheap Flights with Trip.com

Note: Prices shown on this page are estimated lowest price and include all taxes and fees found in the last 24 hours.

Book with no extra fees

Prices displayed on this page are all-inclusive prices (incl. taxes, fuel surcharge, civil aviation development fund, etc) with all fees confirmed before payment. Fees for luggage, meals, Wi-Fi, or other additional services are also included as shown in the flight cards.

Real-time pricing updates

Prices, availability, and travel information on this page were updated within the last 24 hours—even in real-time. The more popular the route, the more precise the data.

Change & Cancellation Policy

Trip.com displays flight cancellation and change policies for each flight ticket during the booking process, including fees and applicable conditions. Please check the following scenarios:
Voluntary cancellation/change:
To submit a change or cancellation request, go to the flight bookings page, select the option to change or cancel your booking, choose the relevant passengers and segment, and submit a request. Please note that additional charges may apply according to the airline ticket policy.
Cancellation/change due to a flight schedule change:
If the flight has been rescheduled and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For more details about change and cancellation policies, please check the customer support pages.