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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 IDR 6,326,200 and round-trip from IDR 11,857,800. Based on Trip.com's latest 7-day flight data.

Displayed flight fares from Seattle to Bangkok are based on average prices across airlines for the next 3 months, according to the latest Trip.com database.

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 IDR 7,551,800. It is best to avoid June, when the average price can reach IDR 16,972,600.

IDR 16,972,600
IDR 12,262,200
IDR 7,551,800
IDR 2,841,400
    Cheapest
  • IDR 7,817,800
    Nov
  • IDR 14,153,200
    Dec
  • IDR 8,487,000
    Jan
  • IDR 8,773,200
    Feb
  • IDR 8,653,700
    Mar
  • IDR 7,551,800
    Apr
  • IDR 9,932,400
    May
  • IDR 16,972,600
    Jun
  • IDR 9,741,400
    Jul
  • IDR 12,796,300
    Aug
  • IDR 7,564,600
    Sep
  • IDR 11,209,700
    Oct

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 IDR 14,530,900. December is usually the most expensive month, with an average price reaching IDR 26,003,700.

IDR 26,003,700
IDR 20,267,300
IDR 14,530,900
IDR 8,794,500
    Cheapest
  • IDR 14,558,500
    Nov
  • IDR 26,003,700
    Dec
  • IDR 14,739,500
    Jan
  • IDR 14,777,900
    Feb
  • IDR 16,658,800
    Mar
  • IDR 16,000,800
    Apr
  • IDR 17,638,300
    May
  • IDR 21,587,400
    Jun
  • IDR 18,432,600
    Jul
  • IDR 16,509,800
    Aug
  • IDR 14,530,900
    Sep
  • IDR 15,301,700
    Oct

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.

IDR 13,600,400
IDR 11,099,100
IDR 8,597,800
IDR 6,096,500
    Cheapest
  • IDR 9,724,600
    Mon
  • IDR 8,802,500
    Tue
  • IDR 9,673,900
    Wed
  • IDR 9,724,400
    Thu
  • IDR 11,343,600
    Fri
  • IDR 13,600,400
    Sat
  • IDR 8,597,800
    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 Korean Air (from IDR 6,982,400) among 10 carriers operating this route. Based on Trip.com's latest 7-day flight data.

Korean Air
From IDR 6,982,400
Hainan Airlines
From IDR 7,240,000
Asiana Airlines
From IDR 7,340,300
Philippine Airlines
From IDR 7,603,400
Singapore Airlines
From IDR 7,603,400
EVA Air
From IDR 7,866,400
Cathay Pacific
From IDR 8,050,800
United Airlines
From IDR 8,105,000
China Airlines
From IDR 8,115,800
All Nippon Airways
From IDR 8,302,900

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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. SQ027

    08:40

    SEA

    17h 5m

    Direct

    17:45

    SIN

    S M T W T F S
    Search
  2. SQ720

    18:35

    SIN

    2h 25m

    Direct

    20:00

    BKK

    S M T W T F S
  3. PR125

    23:55

    SEA

    12h 30m

    Direct

    04:25

    MNL

    S - T W T - S
    Search
  4. PR740

    06:40

    MNL

    3h 40m

    Direct

    09:20

    BKK

    S M T W T F S
  5. HU496

    10:20

    SEA

    13h 30m

    Direct

    15:50

    PEK

    - M - - - F -
    Search
  6. HU7995

    19:00

    PEK

    5h 25m

    Direct

    23:25

    BKK

    - M - - - F -
  7. KE042

    11:00

    SEA

    11h 55m

    Direct

    15:55

    ICN

    S M T W T F S
    Search
  8. KE659

    20:15

    ICN

    6h 5m

    Direct

    00:20

    BKK

    S M T W T F S
  9. SQ027

    08:40

    SEA

    17h 5m

    Direct

    17:45

    SIN

    S M T W T F S
    Search
  10. SQ706

    07:05

    SIN

    2h 25m

    Direct

    08:30

    BKK

    S M T W T F S
  11. HU446

    10:05

    SEA

    15h

    Direct

    17:05

    CKG

    - - - W - - -
    Search
  12. HU446

    18:55

    CKG

    2h 5m

    Direct

    21:00

    HAK

    - - - - T - -
  13. HU7939

    08:40

    HAK

    2h 25m

    Direct

    10:05

    BKK

    S - - - T F S
  14. HU446

    10:05

    SEA

    15h

    Direct

    17:05

    CKG

    - - - W - - -
    Search
  15. HU423

    08:05

    CKG

    3h 40m

    Direct

    10:45

    BKK

    S M T W T F S
  16. SQ027

    08:40

    SEA

    17h 5m

    Direct

    17:45

    SIN

    S M T W T F S
    Search
  17. SQ722

    10:50

    SIN

    2h 30m

    Direct

    12:20

    BKK

    S M T W T F S
  18. HU496

    10:20

    SEA

    13h 30m

    Direct

    15:50

    PEK

    - M - - - F -
    Search
  19. HU429

    10:00

    PEK

    5h 20m

    Direct

    14:20

    BKK

    S M T W T F S
  20. SQ027

    08:40

    SEA

    17h 5m

    Direct

    17:45

    SIN

    S M T W T F S
    Search
  21. SQ710

    13:05

    SIN

    2h 30m

    Direct

    14:35

    BKK

    S M T W T F S
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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 IDR 6,982,400
Cheapest return ticket price IDR 11,857,800

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 IDR 6,982,400, and round-trip fares start from IDR 11,857,800. The current lowest fare is a Korean Air flight departing on Thu, Nov 19; 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 IDR 12,405,600. 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.

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.