Cheap flights from Seattle to Bangkok from $389

Round-trip
1 adult
Economy
From?
To?
Tue 2/1
Tue 2/8

Travel Restriction Alert

The COVID-19 (coronavirus) outbreak may impact travel from Seattle/Tacoma Intl to Bangkok.
View current Thailand travel restrictions

Flight information for Seattle to Bangkok

Find info about flight duration, direct flights, and airports for your flight from Seattle to Bangkok
Best Price Found$389The best one-way flight to Bangkok from Seattle in the past 72 hours is $389. The best round-trip flight deal from Seattle to Bangkok found on momondo in the last 72 hours is $628.
Fastest flight time19h 30mThe fastest flight from Seattle to Bangkok takes 19h 30m
Direct flightsNoneThere are no direct flights from Seattle to Bangkok. Popular non-direct routes for this connection are Seattle/Tacoma Intl Airport - Bangkok Suvarnabhumi Airport and Seattle/Tacoma Intl Airport - Bangkok Don Mueang Intl Airport.
Airports in Bangkok2 airportsThere are 2 airports near Bangkok: Bangkok Suvarnabhumi (BKK), Bangkok Don Mueang Intl (DMK)

How to get the cheapest flight ticket from Seattle to Bangkok

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly from Seattle to Bangkok?

May

The cheapest time of year to fly to Bangkok from Seattle is May. Most expensive is December

What is the cheapest airline that flies to Bangkok from Seattle?

XiamenAir

ANA, Asiana Airlines, and Korean Air are the most popular carriers operating from Seattle to Bangkok

What is the cheapest Seattle to Bangkok flight route?

Seattle/Tacoma Intl - Bangkok Suvarnabhumi

Fly from Seattle/Tacoma Intl to Bangkok Suvarnabhumi for the best Seattle - Bangkok flight prices

How far in advance should you book Seattle to Bangkok flights?

43 days before

The cheapest time to buy a flight from Seattle to Bangkok is approximately 43 days to departure


Easily compare round-trip flights from Seattle to Bangkok

Below you can see the best fares for your round-trip flight route over the next three months. All fares were found on momondo this week. Browse the quickest and cheapest flights from Seattle to Bangkok by changing tabs
Singapore Airlines
Feb 18
SEA6:00 amSeattle/Tacoma Intl
32h 55m
2 stops
BKK2:55 pmBangkok Suvarnabhumi
Mar 4
BKK6:55 amBangkok Suvarnabhumi
36h 35m
2 stops
SEA7:30 pmSeattle/Tacoma Intl
Japan Airlines
Apr 6
SEA2:58 amSeattle/Tacoma Intl
42h 42m
2 stops
BKK9:40 pmBangkok Suvarnabhumi
Apr 13
BKK5:55 pmBangkok Suvarnabhumi
34h 12m
2 stops
SEA4:07 amSeattle/Tacoma Intl
American Airlines
Mar 27
SEA8:30 pmSeattle/Tacoma Intl
32h 30m
2 stops
BKK5:00 amBangkok Suvarnabhumi
Apr 6
BKK5:45 amBangkok Suvarnabhumi
22h 22m
2 stops
SEA4:07 amSeattle/Tacoma Intl
Multiple Airlines
Feb 9
SEA3:15 amSeattle/Tacoma Intl
33h 25m
3 stops
BKK12:40 pmBangkok Suvarnabhumi
Mar 3
BKK1:10 pmBangkok Suvarnabhumi
30h 20m
2 stops
SEA7:30 pmSeattle/Tacoma Intl
Singapore Airlines
Feb 18
SEA6:00 amSeattle/Tacoma Intl
32h 55m
2 stops
BKK2:55 pmBangkok Suvarnabhumi
Mar 30
BKK6:50 amBangkok Suvarnabhumi
37h 55m
2 stops
SEA8:45 pmSeattle/Tacoma Intl
Japan Airlines
Apr 25
SEA2:58 amSeattle/Tacoma Intl
42h 42m
2 stops
BKK9:40 pmBangkok Suvarnabhumi
May 24
BKK5:55 pmBangkok Suvarnabhumi
34h 12m
2 stops
SEA4:07 amSeattle/Tacoma Intl

Find the cheapest one-way flights from Seattle to Bangkok

If you're looking for one-way flights from Seattle to Bangkok, view some of our deals below provided by Asiana Airlines, Japan Airlines and Korean Air
Singapore Airlines
Feb 11
SEA6:00 amSeattle/Tacoma Intl
32h 55m
2 stops
BKK2:55 pmBangkok Suvarnabhumi
Multiple Airlines
Mar 2
SEA2:50 pmSeattle/Tacoma Intl
45h 50m
2 stops
BKK12:40 pmBangkok Suvarnabhumi
Japan Airlines
Feb 11
SEA7:30 amSeattle/Tacoma Intl
36h 50m
1 stop
BKK8:20 pmBangkok Suvarnabhumi

Search last-minute flights to Bangkok from Seattle

Find and compare round-trip flight prices for your last-minute flight from Seattle to Bangkok
Singapore Airlines
Feb 3
SEA6:00 amSeattle/Tacoma Intl
39h 00m
2 stops
BKK9:00 pmBangkok Suvarnabhumi
Mar 4
BKK1:10 pmBangkok Suvarnabhumi
30h 20m
2 stops
SEA7:30 pmSeattle/Tacoma Intl
American Airlines
Feb 1
SEA7:29 pmSeattle/Tacoma Intl
32h 06m
2 stops
BKK3:35 amBangkok Suvarnabhumi
Apr 6
BKK5:45 amBangkok Suvarnabhumi
26h 52m
2 stops
SEA8:37 amSeattle/Tacoma Intl
Multiple Airlines
Feb 2
SEA2:00 amSeattle/Tacoma Intl
34h 40m
3 stops
BKK12:40 pmBangkok Suvarnabhumi
Feb 23
BKK8:15 amBangkok Suvarnabhumi
35h 15m
2 stops
SEA7:30 pmSeattle/Tacoma Intl
Japan Airlines
Feb 2
SEA3:00 amSeattle/Tacoma Intl
24h 35m
2 stops
BKK3:35 amBangkok Suvarnabhumi
Feb 21
BKK3:05 amBangkok Suvarnabhumi
17h 25m
1 stop
SEA8:30 pmSeattle/Tacoma Intl
Singapore Airlines
Feb 4
SEA6:00 amSeattle/Tacoma Intl
33h 10m
2 stops
BKK3:10 pmBangkok Suvarnabhumi
Feb 25
BKK1:10 pmBangkok Suvarnabhumi
30h 20m
2 stops
SEA7:30 pmSeattle/Tacoma Intl
American Airlines
Feb 1
SEA7:29 pmSeattle/Tacoma Intl
32h 06m
2 stops
BKK3:35 amBangkok Suvarnabhumi
Feb 22
BKK7:55 pmBangkok Suvarnabhumi
34h 09m
2 stops
SEA6:04 amSeattle/Tacoma Intl

Best airlines flying from Seattle to Bangkok

Compare and see reviews for airlines that fly from Seattle to Bangkok with momondo
AirlineRatingFree CancellationPrice
XiamenAir
PriceFrom $459
Free Cancellation
Rating
6.6
7.0

Boarding

6.3

Comfort

7.0

Crew

5.6

Entertainment

7.0

Food

Reviews

Pros: Never never fly with This airline Poor Customer service

1 / 3
Singapore Airlines
PriceFrom $525
Free Cancellation
Rating
8.2
7.9

Boarding

8.1

Comfort

8.4

Crew

7.8

Entertainment

8.3

Food

Reviews

Delays were given at intervals. So we were informed

1 / 9
ANA
PriceFrom $587
Free Cancellation
Rating
8.4
8.5

Boarding

8.5

Comfort

8.7

Crew

7.9

Entertainment

7.9

Food

Reviews

The crew are excellent! Always smiling and ready to help when needed! Smooth flying thanks to the pilot. All in all great experience my new favorite airline ❤️

1 / 10
Asiana Airlines
PriceFrom $587
Free Cancellation
Rating
8.5
8.7

Boarding

8.7

Comfort

8.7

Crew

8.5

Entertainment

8.1

Food

Reviews

Cons: The flight attendants would forget me when tending to everyone

1 / 5
Korean Air
PriceFrom $616
Free Cancellation
Rating
8.9
9.6

Boarding

8.9

Comfort

9.6

Crew

8.5

Entertainment

8.7

Food

Reviews

The crew members are very kind and their respond was so fast.

1 / 10
United Airlines
PriceFrom $624
Free Cancellation
Rating
7.3
7.5

Boarding

7.1

Comfort

7.8

Crew

7.0

Entertainment

6.7

Food

Reviews

Bring own entertainment and food. Amenities in economy are a thing of the past with United

1 / 10
Hainan Airlines
PriceFrom $632
Free Cancellation
Rating
0.0
Delta
PriceFrom $632
Free Cancellation
Rating
8.0
8.1

Boarding

8.1

Comfort

8.2

Crew

7.9

Entertainment

7.7

Food

Reviews

Even after posting extra for comfort +, the seats do not recline!

1 / 10
Japan Airlines
PriceFrom $641
Free Cancellation
Rating
7.8
7.8

Boarding

7.7

Comfort

8.4

Crew

7.5

Entertainment

7.7

Food

Reviews

I can’t go to the Thailand Because I put the wrong Thailand pass date. So I can’t go…

1 / 10
EVA Air
PriceFrom $653
Free Cancellation
Rating
8.3
8.7

Boarding

8.3

Comfort

8.6

Crew

8.1

Entertainment

7.8

Food

Reviews

Pros: Flight cancelled

Cons: Contact passengers promptly and suggest solution

1 / 10

American Airlines flights from Seattle to Bangkok

Our best American Airlines deals on Seattle to Bangkok flight tickets
American Airlines
Mar 27
SEA8:30 pmSeattle/Tacoma Intl
32h 30m
2 stops
BKK5:00 amBangkok Suvarnabhumi
Apr 6
BKK5:45 amBangkok Suvarnabhumi
22h 22m
2 stops
SEA4:07 amSeattle/Tacoma Intl
American Airlines
Apr 4
SEA3:43 amSeattle/Tacoma Intl
55h 17m
2 stops
BKK11:00 amBangkok Suvarnabhumi
Apr 18
BKK5:55 pmBangkok Suvarnabhumi
30h 17m
2 stops
SEA12:12 amSeattle/Tacoma Intl
American Airlines
Mar 23
SEA9:20 pmSeattle/Tacoma Intl
32h 15m
2 stops
BKK5:35 amBangkok Suvarnabhumi
May 27
BKK5:45 amBangkok Suvarnabhumi
42h 27m
2 stops
SEA12:12 amSeattle/Tacoma Intl

Japan Airlines flights from Seattle to Bangkok

Our best Japan Airlines deals on Seattle to Bangkok flight tickets
Japan Airlines
Apr 6
SEA2:58 amSeattle/Tacoma Intl
42h 42m
2 stops
BKK9:40 pmBangkok Suvarnabhumi
Apr 13
BKK5:55 pmBangkok Suvarnabhumi
34h 12m
2 stops
SEA4:07 amSeattle/Tacoma Intl
Japan Airlines
Apr 25
SEA2:58 amSeattle/Tacoma Intl
42h 42m
2 stops
BKK9:40 pmBangkok Suvarnabhumi
May 24
BKK5:55 pmBangkok Suvarnabhumi
34h 12m
2 stops
SEA4:07 amSeattle/Tacoma Intl
Japan Airlines
Apr 8
SEA2:58 amSeattle/Tacoma Intl
42h 42m
2 stops
BKK9:40 pmBangkok Suvarnabhumi
May 29
BKK5:55 pmBangkok Suvarnabhumi
30h 17m
2 stops
SEA12:12 amSeattle/Tacoma Intl

  • Are airlines flying from Seattle/Tacoma Intl to Bangkok offering flexible cancellation due to COVID-19?

    To ease the stress of booking flights, some of our airline partners flying from Seattle/Tacoma Intl to Bangkok are responding to the global pandemic. The following airlines may have a flexible cancellation policy to help accommodate travelers: EVA Air, Asiana Airlines, and Korean Air.

  • How far is Seattle/Tacoma Intl to Bangkok by plane?

    A flight from Seattle/Tacoma Intl to Bangkok will travel around 7436.9 mi. 19h 30m is a normal flight duration for this route.


Can I fly to Bangkok from Seattle/Tacoma Intl right now?

Information is based on travel restrictions from Seattle/Tacoma Intl to Bangkok

Most visitors from Seattle/Tacoma Intl need to provide a negative COVID-19 test result and/or quarantine to enter Bangkok.

COVID-19 testing requirements
Visitors from Seattle/Tacoma Intl must present a negative RT-PCR (NAAT) test taken 72 hours before departing to Bangkok.

Quarantine requirements
Visitors from Seattle/Tacoma Intl are not required to quarantine after entering Bangkok.

Documents
Thailand Pass - The Thailand Pass is a web-based system for Thai and foreign travelers to fill in their travel and health information and upload the related documents before travelling. This system is operational and will replace the COE system on 1 November, 2021. However, the COE will continue to be used for certain groups of travelers.

MorChana App - Alert application and contact tracing app to be used while in Thailand. Download via Apple Store or Google Play Store.


Can I fly back to Seattle/Tacoma Intl from Bangkok?

Returning to Seattle/Tacoma Intl from Bangkok

COVID-19 testing requirements
Visitors from Bangkok must present a negative RT-PCR (NAAT) or Antigen (quick-test) test taken 24 hours before departing to Seattle/Tacoma Intl.

Quarantine requirements
Visitors from Bangkok are not required to quarantine after entering Seattle/Tacoma Intl.

If you are planning to travel to Bangkok at this time, it is recommended that you stay up to date on current restrictions and follow proper safety measures while in public.

Alternative routes for Seattle to Bangkok

Compare alternative flights to and from nearby airports and cities to discover the best prices and most convenient flight times
Seattle to Phuket City Flights
Fastest flight time31h 20m
Cheapest price$724
Seattle to Chiang Mai Flights
Fastest flight time25h 05m
Cheapest price$824
Spokane to Bangkok Flights
Fastest flight time25h 00m
Cheapest price$675
Seattle to Koh Samui Flights
Fastest flight time34h 00m
Cheapest price$727

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