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Suvarnabhumi

$324+ Cheap flights from Seattle (SEA) to Suvarnabhumi (BKK)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/5. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — BKK
oct. 11 — oct. 181
sáb. 10/11
sáb. 10/18
1 adult, Economy
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Cheapflights Tip: The best prices from Seattle/Tacoma Intl to Bangkok Suvarnabhumi are usually found in February or March, booked 61 days in advance, depart on a Tuesday or Wednesday and return on a Wednesday

Cheap flight deals from Seattle to Suvarnabhumi

Discover tips and strategies to find the most affordable flight options for your journey from Seattle (SEA) to Suvarnabhumi (BKK). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated septiembre 11, 2025.

Round-trip from

$667
(oojo)

One-way from

$324
(CrystalTravel)

Popular in

December

Cheapest in

February

Average price

$821
From Seattle/Tacoma Intl to Bangkok Suvarnabhumi
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One-way flight from Seattle/Tacoma Intl to Bangkok Suvarnabhumi
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Highest demand for flights based on searches. 6% potential increase in price ($61 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($30 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Find flight deals from Seattle to Suvarnabhumi

Cheapest flights from Seattle to Suvarnabhumi
Explore the most affordable flight options available from Seattle to Suvarnabhumi. Find the lowest fares from popular airlines and budget airlines, with prices last updated on septiembre 11, 2025.

This oojo deal was found by Cheapflights users on 9/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 10/1610:15 amSEA - BKK
1 stop42h 45mSingapore Airlines
lun. 11/38:00 pmBKK - SEA
1 stop26h 10mSingapore Airlines
Deal found 9/8$667
This FlightHub deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 11/112:10 amSEA - BKK
1 stop31h 55mAsiana Airlines
sáb. 12/611:55 pmBKK - SEA
1 stop29h 00mAsiana Airlines
Deal found 9/10$668
This oojo deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 10/910:15 amSEA - BKK
1 stop42h 45mSingapore Airlines
jue. 10/163:30 pmBKK - SEA
1 stop31h 15mSingapore Airlines
Deal found 9/9$669
This Gurufare deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 11/59:30 pmSEA - BKK
1 stop23h 35mPhilippine Airlines
mar. 12/211:35 pmBKK - SEA
1 stop34h 00mPhilippine Airlines
Deal found 9/10$670
This SmartFares deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 9/292:15 pmSEA - BKK
1 stop18h 55mAsiana Airlines
sáb. 10/41:20 amBKK - SEA
1 stop25h 10mAsiana Airlines
Deal found 9/11$671
This KAYAK deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 9/2811:35 pmSEA - BKK
1 stop22h 40mPhilippine Airlines
mar. 10/711:20 pmBKK - SEA
1 stop33h 55mPhilippine Airlines
Deal found 9/11$672
This oojo deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 10/1710:15 amSEA - BKK
1 stop19h 45mSingapore Airlines
lun. 10/279:35 amBKK - SEA
1 stop36h 35mSingapore Airlines
Deal found 9/9$673
This Kiwi.com deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 10/2211:35 pmSEA - BKK
1 stop22h 40mPhilippine Airlines
mié. 11/51:20 pmBKK - SEA
1 stop20h 15mPhilippine Airlines
Deal found 9/10$675
This oojo deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 12/2712:10 amSEA - BKK
1 stop20h 05mAsiana Airlines
sáb. 2/2811:55 pmBKK - SEA
1 stop29h 00mAsiana Airlines
Deal found 9/9$676
This oojo deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 9/1512:50 pmSEA - BKK
1 stop22h 15mKorean Air
mié. 9/172:35 amBKK - SEA
1 stop22h 05mKorean Air
Deal found 9/9$677
This Asiana Airlines deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Asiana Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 12/2912:10 amSEA - BKK
1 stop30h 55mAsiana Airlines
mar. 1/2711:55 pmBKK - SEA
1 stop29h 00mAsiana Airlines
Deal found 9/10$679
This Asiana Airlines deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Asiana Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 12/2812:10 amSEA - BKK
1 stop30h 55mAsiana Airlines
sáb. 1/2411:55 pmBKK - SEA
1 stop29h 00mAsiana Airlines
Deal found 9/10$680

Cheapflights Fare Finder

 
Customize your flight search to find flights from Seattle to Suvarnabhumi that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated septiembre 11, 2025.
Use the filters below to find and compare flights from Seattle to Bangkok Suvarnabhumi Airport that are best for you.

Fly from

Seattle

Fly to

Suvarnabhumi

Route

Depart

Return

Price

SeattleBangkok

SEA - BKK

SEABKK

Seattle/Tacoma Intl

mié. 10/22

12:50 pm-9:45 pm

1 stop18h 55m

Bangkok Suvarnabhumi

mar. 11/11

12:55 am-9:00 am

1 stop23h 05m

$699

SeattleBangkok

SEA - BKK

SEABKK

Seattle/Tacoma Intl

mar. 10/21

12:50 pm-1:15 pm

1 stop34h 25m

Bangkok Suvarnabhumi

mar. 11/11

12:55 am-9:00 am

1 stop23h 05m

$699

SeattleBangkok

SEA - BKK

SEABKK

Seattle/Tacoma Intl

mar. 10/28

12:00 pm-11:20 pm

1 stop21h 20m

Bangkok Suvarnabhumi

dom. 11/23

11:15 pm-9:00 am

1 stop24h 45m

$699

SeattleBangkok

SEA - BKK

SEABKK

Seattle/Tacoma Intl

mar. 11/11

7:10 am-1:25 pm

2 stops39h 15m

Bangkok Suvarnabhumi

mié. 11/19

11:15 pm-9:00 am

1 stop24h 45m

$704

SeattleBangkok

SEA - BKK

SEABKK

Seattle/Tacoma Intl

mar. 10/28

7:10 am-11:20 pm

2 stops26h 10m

Bangkok Suvarnabhumi

lun. 11/10

12:55 am-9:00 am

1 stop23h 05m

$704

SeattleBangkok

SEA - BKK

SEABKK

Seattle/Tacoma Intl

mié. 10/22

7:10 am-1:15 pm

2 stops40h 05m

Bangkok Suvarnabhumi

lun. 11/10

9:40 am-9:00 am

1 stop38h 20m

$704

SeattleBangkok

SEA - BKK

SEABKK

Seattle/Tacoma Intl

mié. 10/29

7:10 am-11:20 pm

2 stops26h 10m

Bangkok Suvarnabhumi

dom. 11/16

12:55 am-9:00 am

1 stop23h 05m

$704

SeattleBangkok

SEA - BKK

SEABKK

Seattle/Tacoma Intl

mar. 10/21

12:50 pm-1:15 pm

1 stop34h 25m

Bangkok Suvarnabhumi

mié. 12/10

9:40 am-8:55 pm

2 stops26h 15m

$706

SeattleBangkok

SEA - BKK

SEABKK

Seattle/Tacoma Intl

jue. 9/18

7:00 am-11:55 pm

2 stops26h 55m

Bangkok Suvarnabhumi

mié. 10/8

9:35 am-2:25 pm

1 stop18h 50m

$708

SeattleBangkok

SEA - BKK

SEABKK

Seattle/Tacoma Intl

lun. 11/3

11:00 am-12:45 am

1 stop22h 45m

Bangkok Suvarnabhumi

lun. 12/1

12:55 am-4:21 pm

2 stops30h 26m

$710

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/9

Showing 1-10 of 20 results
1
2

Best time to book a flight from Seattle to Suvarnabhumi

Have a flexible travel schedule? Discover the best time to fly to Suvarnabhumi from Seattle with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Seattle to Bangkok Suvarnabhumi Airport

How far ahead should I book a flight from Seattle to Bangkok Suvarnabhumi Airport?

Use this chart to determine the optimal time to book a round-trip flight from Seattle to Suvarnabhumi. Price data was last updated on August 29, 2025.

The best time to book flights from Seattle to Bangkok Suvarnabhumi Airport is 61 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

What is the cheapest month to book a flight from Seattle to Bangkok Suvarnabhumi Airport?

Currently, September is the cheapest month in which you can book a flight from Seattle to Bangkok Suvarnabhumi Airport (average of $908). Flying from Seattle to Bangkok Suvarnabhumi Airport in December is currently the most expensive (average of $1,518). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from SEA to BKK?

Find hourly flight availability from Seattle to Suvarnabhumi. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated septiembre 11, 2025.

A simple way to save on the total cost of your ticket is to fly from Seattle to Bangkok Suvarnabhumi Airport in the morning. If you’re flexible enough to do this you can expect to save up to 9% on your trip compared to booking a flight at noon.

What is the cheapest day to fly from Seattle to Bangkok Suvarnabhumi Airport?

Use this chart to determine the cheapest time to fly round-trip from Seattle to Suvarnabhumi. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Seattle to Bangkok Suvarnabhumi Airport flight should consider departing on Tuesday evenings when fares are most often at their lowest. Thursday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

Reviews of airlines servicing Suvarnabhumi

Get insights into the airlines that provide service to Suvarnabhumi. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Suvarnabhumi. Reviews last updated septiembre 11, 2025.
See what other customers who have flown with EVA Air, ANA, and Korean Air from Seattle to Bangkok Suvarnabhumi Airport have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
EVA Air
8.4
Very good
1,236 reviews

Crew

8.6

Boarding

8.4

Entertainment

8.0

Overall

8.4

Food

8.1

Comfort

8.3

Reviews

1 / 20
6.0
Good

Anonymous,Aug 2025

BKK - TPE

I bought tickets for myself and my friend and had to argue with the checkin person to get our seats together for the return flights I purchased the tickets together weeks ahead of time and did not expect to have to ask for a supervisor to sit together very disappointed in booking through kayak
EVA Air
8.4
Very good
1,236 reviews
EVA Air
8.4
Very good
1,236 reviews

Crew

8.6

Boarding

8.4

Entertainment

8.0

Overall

8.4

Food

8.1

Comfort

8.3

Reviews

1 / 20
6.0
Good

Anonymous,Aug 2025

BKK - TPE

I bought tickets for myself and my friend and had to argue with the checkin person to get our seats together for the return flights I purchased the tickets together weeks ahead of time and did not expect to have to ask for a supervisor to sit together very disappointed in booking through kayak
ANA
8.4
Very good
961 reviews
EVA Air
8.4
Very good
1,236 reviews

Crew

8.6

Boarding

8.4

Entertainment

8.0

Overall

8.4

Food

8.1

Comfort

8.3

Reviews

1 / 20
6.0
Good

Anonymous,Aug 2025

BKK - TPE

I bought tickets for myself and my friend and had to argue with the checkin person to get our seats together for the return flights I purchased the tickets together weeks ahead of time and did not expect to have to ask for a supervisor to sit together very disappointed in booking through kayak
Korean Air
8.4
Very good
1,139 reviews
EVA Air
8.4
Very good
1,236 reviews

Crew

8.6

Boarding

8.4

Entertainment

8.0

Overall

8.4

Food

8.1

Comfort

8.3

Reviews

1 / 20
6.0
Good

Anonymous,Aug 2025

BKK - TPE

I bought tickets for myself and my friend and had to argue with the checkin person to get our seats together for the return flights I purchased the tickets together weeks ahead of time and did not expect to have to ask for a supervisor to sit together very disappointed in booking through kayak
China Airlines
8.3
Very good
767 reviews
EVA Air
8.4
Very good
1,236 reviews

Crew

8.6

Boarding

8.4

Entertainment

8.0

Overall

8.4

Food

8.1

Comfort

8.3

Reviews

1 / 20
6.0
Good

Anonymous,Aug 2025

BKK - TPE

I bought tickets for myself and my friend and had to argue with the checkin person to get our seats together for the return flights I purchased the tickets together weeks ahead of time and did not expect to have to ask for a supervisor to sit together very disappointed in booking through kayak
Asiana Airlines
8.2
Very good
479 reviews
EVA Air
8.4
Very good
1,236 reviews

Crew

8.6

Boarding

8.4

Entertainment

8.0

Overall

8.4

Food

8.1

Comfort

8.3

Reviews

1 / 20
6.0
Good

Anonymous,Aug 2025

BKK - TPE

I bought tickets for myself and my friend and had to argue with the checkin person to get our seats together for the return flights I purchased the tickets together weeks ahead of time and did not expect to have to ask for a supervisor to sit together very disappointed in booking through kayak

Related info for your journey

Find useful and relevant information for your journey from Seattle to Suvarnabhumi. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Seattle to Bangkok Suvarnabhumi?

    Seattle/Tacoma Intl (SEA) is the airport you will fly out of if you book a flight from Seattle to Bangkok Suvarnabhumi. You should not have trouble finding flights to Bangkok Suvarnabhumi from Seattle/Tacoma Intl; the airport handles an average of 0 outbound flights to Bangkok Suvarnabhumi per day. You should also have plenty of airline options to choose from since 16 airlines have flights from the Seattle airport to Bangkok Suvarnabhumi. It is only a 11.4 mi journey to Seattle/Tacoma Intl (SEA) from Seattle’s city center.

  • How long is the flight from Seattle to Bangkok Suvarnabhumi Airport?

    Airlines like Korean Air fly from Seattle to Bangkok Suvarnabhumi Airport in about 18h 55m. The time it takes to get you to your destination can typically vary by up to . Seattle and Bangkok Suvarnabhumi Airport are separated by a distance of 7443 mi.

  • What are the cheapest airlines flying from Seattle to Bangkok Suvarnabhumi Airport round-trip?

    According to our current data, Delta ($433), Singapore Airlines ($531), and Philippine Airlines ($609) offers the cheapest pricing from Seattle to Bangkok Suvarnabhumi Airport. These flights start at 53% lower than the current average price 3 months from now.

  • Where are the most common layover locations when flying from Seattle to Bangkok Suvarnabhumi Airport?

    Of the flights from Seattle to Bangkok Suvarnabhumi Airport that have layovers, most of them stop in Taipei City. Seoul sees the second most layovers for non-direct flights flying from Seattle to Bangkok Suvarnabhumi Airport. Tokyo follows Seoul in terms of the most frequent layover location on Seattle to Bangkok Suvarnabhumi Airport flights.

  • What are some popular things to do or see while on a layover in Taipei City?

    Taipei 101, Shilin Night Market, and Raohe Street Night Market are currently the most popular points of interest in Taipei City at the moment. Those on a layover in Taipei City interested in visiting Taipei 101, Shilin Night Market, or Raohe Street Night Market can do so by traveling 21.0 mi, 18.3 mi, and 21.6 mi, respectively from Taipei City Taiwan Taoyuan Intl. Those looking to explore during their layover in Taipei City can rent a car from Taipei City Taiwan Taoyuan Intl for about $71 per day.

  • What are some popular points of interest to see during a layover in Seoul?

    Seoul travelers tend to visit Dongdaemun Market, Lotte World, and Bukchon Hanok Village more than any other notable places. Dongdaemun Market, Lotte World and Bukchon Hanok Village are located about 31.6 mi, 35.7 mi, and 30.6 mi, respectively from Incheon Intl if you are interested in checking them out. Those looking to explore during their layover in Seoul can rent a car from Incheon Intl for about $64 per day.

  • What are points of interest worth seeing during a layover in Tokyo?

    Akihabara Electric Town, Tsukiji Outer Market, and Tokyo Tower are currently the most popular points of interest in Tokyo. Those on a layover in Tokyo interested in visiting Akihabara Electric Town, Tsukiji Outer Market, or Tokyo Tower can do so by traveling 10.3 mi, 7.9 mi, and 7.9 mi, respectively from Tokyo Haneda. Those on a layover in Tokyo in need of a rental car can book one at Tokyo Haneda for about $63.

  • Where are the least popular layover locations for Seattle to Bangkok Suvarnabhumi Airport flights?

    The least popular layover on flights from Seattle to Bangkok Suvarnabhumi Airport is Istanbul. Tokyo sees the second fewest layovers for non-direct flights flying from Seattle to Bangkok Suvarnabhumi Airport. Singapore comes next as the third least popular layover location for Seattle to Bangkok Suvarnabhumi Airport flights.

  • Can I find deals for flights from Seattle to Suvarnabhumi that include hotel bookings?

    Yes. In addition to deals on Seattle to Suvarnabhumi flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Seattle to Suvarnabhumi?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Seattle to Suvarnabhumi.

  • Can I find deals for business class flights from Seattle to Suvarnabhumi?

    Yes. Cheapflights offers flight deals from Seattle to Suvarnabhumi by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Seattle to Bangkok Suvarnabhumi Airport?

    Currently, September is the cheapest month in which you can book a flight from Seattle to Bangkok Suvarnabhumi Airport (average of $908). Flying from Seattle to Bangkok Suvarnabhumi Airport in December is currently the most expensive (average of $1,518). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Bangkok Suvarnabhumi Airport?

Book flights to Bangkok Suvarnabhumi Airport if you plan to visit one of these locations
Sattahip
Kanchanaburi
Chonburi
Cha-am
Ko Samet
Pak Chong
Phetchaburi
Ko Lan

Browse thousands of different options on Cheapflights for your next trip

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Top 10 airlines flying from Seattle to Suvarnabhumi

Discover the top 10 airlines that operate flights from Seattle to Suvarnabhumi. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated septiembre 11, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$433Average$900FlexibilityNo cancel feeOn-timeN/A
Singapore AirlinesCheapest$531Average$738FlexibilityNo cancel feeOn-time81%
Philippine AirlinesCheapest$609Average$753FlexibilityNo cancel feeOn-time60%
Asiana AirlinesCheapest$628Average$731FlexibilityNo cancel feeOn-time76%
Korean AirCheapest$673Average$762FlexibilityNo cancel feeOn-time81%
ANACheapest$715Average$895FlexibilityNo cancel feeOn-time80%
STARLUX AirlinesCheapest$742Average$882FlexibilityNo cancel feeOn-timeN/A
China AirlinesCheapest$745Average$859FlexibilityNo cancel feeOn-time70%
China EasternCheapest$755Average$874FlexibilityNo cancel feeOn-time62%
Turkish AirlinesCheapest$773Average$1,083FlexibilityNo cancel feeOn-time77%

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