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Seattle To Bangkok Flights

  • One-Way
  • Round-Trip
  • Multi-City

From

Indira Gandhi International Airport

To

Chhatrapati Shivaji International Airport

DEPARTURE DATE

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Friday

Return Date

Book a round trip
to save more

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TRAVELLER & CLASS

1 Traveller

Economy

September
October
November
December
January
February
March
April
August

September is by far the best month, wherein you can get cheapest flights for Seattle to Bangkok. Meanwhile, is perceived as the expensive month due to the varying factors. That’s why it’s highly advised to make advanced online flight booking to save huge amounts of money.

disclDisclaimer - All the above-mentioned fares were found within last 48 hrs. The displayed fares are based on historical data and are subject to change. The fares cannot be guaranteed at the time of booking.

Best Flight From Seattle To Bangkok

Cheapest
China Airlines
China Airlines

SEA

01:40

Seattle

Seattle Tacoma International Airport

Wed , 03 Sep 2025

18h 05m
ellipse
1 Stop

BKK

09:45

Bangkok

Suvarnabhumi Airport

Thu, 04 Sep 2025

£344
EVA Air
EVA Air

SEA

01:30

Seattle

Seattle Tacoma International Airport

Wed , 03 Sep 2025

19h 20m
ellipse
1 Stop

BKK

10:50

Bangkok

Suvarnabhumi Airport

Thu, 04 Sep 2025

£375
EVA Air
EVA Air

SEA

01:30

Seattle

Seattle Tacoma International Airport

Wed , 03 Sep 2025

19h 40m
ellipse
1 Stop

BKK

11:10

Bangkok

Suvarnabhumi Airport

Thu, 04 Sep 2025

£378
China Airlines
China Airlines

SEA

01:40

Seattle

Seattle Tacoma International Airport

Wed , 03 Sep 2025

20h 30m
ellipse
1 Stop

BKK

12:10

Bangkok

Suvarnabhumi Airport

Thu, 04 Sep 2025

£393
Alaska Airlines
Alaska Airlines

SEA

20:08

Seattle

Seattle Tacoma International Airport

Wed , 03 Sep 2025

25h 12m
ellipse
2 Stop

BKK

11:20

Bangkok

Suvarnabhumi Airport

Fri, 05 Sep 2025

£393
American Airlines
American Airlines

SEA

13:30

Seattle

Seattle Tacoma International Airport

Wed , 03 Sep 2025

19h 30m
ellipse
1 Stop

BKK

23:00

Bangkok

Suvarnabhumi Airport

Thu, 04 Sep 2025

£396
Air Canada
Air Canada

SEA

10:00

Seattle

Seattle Tacoma International Airport

Wed , 03 Sep 2025

21h 55m
ellipse
2 Stop

BKK

21:55

Bangkok

Suvarnabhumi Airport

Thu, 04 Sep 2025

£454
Alaska Airlines
Alaska Airlines

SEA

13:45

Seattle

Seattle Tacoma International Airport

Wed , 03 Sep 2025

19h 15m
ellipse
1 Stop

BKK

23:00

Bangkok

Suvarnabhumi Airport

Thu, 04 Sep 2025

£762
Cathay Pacific airways
Cathay Pacific airways

SEA

11:37

Seattle

Seattle Tacoma International Airport

Wed , 03 Sep 2025

22h 13m
ellipse
2 Stop

BKK

23:50

Bangkok

Suvarnabhumi Airport

Thu, 04 Sep 2025

£2679
British Airways
British Airways

SEA

20:20

Seattle

Seattle Tacoma International Airport

Wed , 03 Sep 2025

29h 10m
ellipse
1 Stop

BKK

15:30

Bangkok

Suvarnabhumi Airport

Fri, 05 Sep 2025

£4852
British Airways
British Airways

SEA

20:20

Seattle

Seattle Tacoma International Airport

Wed , 03 Sep 2025

26h 35m
ellipse
2 Stop

BKK

12:55

Bangkok

Suvarnabhumi Airport

Fri, 05 Sep 2025

£5107
ellipse

Early Morning Flight Seattle to Bangkok

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Cheapest Flight
Found
£375
group
Average Flight
Time
19h 20m
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Date/Time
03 Sep 2025
01:30 AM
plane
Airlines
EVA Air
Ellipse

Late Night Flight Seattle to Bangkok

wallet
Cheapest Flight
Found
£4852
group
Average Flight
Time
29h 10m
calendar
Date/Time
03 Sep 2025
20:20 PM
plane
Airlines
British Airways

Flights from Seattle to Bangkok with Easemytrip

Flying from Seattle to Bangkok has never been easier. Whether you’re planning a short business trip, a weekend getaway, or reconnecting with family and friends, Easemytrip brings you the best deals, seamless booking, and flexible options for this popular flight route. Our platform is built to help travellers like you compare flight prices, explore direct and connecting options, and find the perfect departure time — all within a few clicks.

The air route between Seattle to Bangkok is one of the most frequently travelled, offering reliable services from top airlines and excellent connectivity between Seattle Tacoma International Airport (SEA) and Suvarnabhumi Airport (BKK). You can expect a flight distance of approximately 11987 km, and most direct services cover it in around 11:56.

Let’s take a closer look at everything you need to know before booking your flight from Seattle to Bangkok.

Travel Overview: Seattle to Bangkok

Flight Details Information
Route Distance 11987 km
Average Flight Time 11:56 hrs
Departure Airport Seattle Tacoma International Airport (SEA)
Arrival Airport Suvarnabhumi Airport (BKK)
Cabin Classes Available Economy Class, Premium Economy, Business Class, First Class
Direct Flights NO
Common Airlines China Airlines, EVA Air, Alaska Airlines, American Airlines

The route is serviced regularly by both full-service and budget airlines, catering to all types of travellers — from those looking for no-frills budget options to those preferring business and first-class comfort. If you're flying for business, early morning weekday flights are a great choice, while leisure travellers often opt for weekend and evening departures.

Read more

FAQs about flights from Seattle to Bangkok

Are there direct flights from Seattle to Bangkok?

How early should I book?

Which airlines offer the most frequent service?

Is it cheaper to fly round-trip or one-way?

Can I mix airlines for departure and return?

Is it possible to change or cancel my booking after confirmation?

Can I book additional baggage or in-flight services in advance?