Suvarnabhumi

$371+ 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 4/23. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — BKK
May 17 — May 241
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Cheap 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 April 17, 2026.

This oojo deal was found by Cheapflights users on 4/13. 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.
Tue 10/1310:15 am
SEA
-
BKK
1 stop41h 00m
Singapore Airlines
Wed 10/289:35 am
BKK
-
SEA
1 stop36h 35m
Singapore Airlines
Deal found 4/13$659
This FlightHub deal was found by Cheapflights users on 4/13. 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.
Tue 10/1310:15 am
SEA
-
BKK
1 stop41h 00m
Singapore Airlines
Thu 10/299:35 am
BKK
-
SEA
1 stop36h 35m
Singapore Airlines
Deal found 4/13$685
This oojo deal was found by Cheapflights users on 4/16. 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.
Thu 10/2210:15 am
SEA
-
BKK
1 stop41h 00m
Singapore Airlines
Thu 11/56:10 pm
BKK
-
SEA
1 stop28h 00m
Singapore Airlines
Deal found 4/16$686
This oojo deal was found by Cheapflights users on 4/14. 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.
Sat 10/1010:15 am
SEA
-
BKK
1 stop41h 00m
Singapore Airlines
Sat 10/179:20 am
BKK
-
SEA
1 stop37h 25m
Singapore Airlines
Deal found 4/14$702
This oojo deal was found by Cheapflights users on 4/16. 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.
Sun 11/18:45 am
SEA
-
BKK
1 stop38h 50m
Singapore Airlines
Mon 11/99:35 am
BKK
-
SEA
1 stop36h 35m
Singapore Airlines
Deal found 4/16$703
This Justfly.com deal was found by Cheapflights users on 4/16. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/1511:55 pm
SEA
-
BKK
1 stop21h 10m
Multiple Airlines
Mon 11/304:20 pm
BKK
-
SEA
1 stop30h 40m
Multiple Airlines
Deal found 4/16$704
This Philippine Airlines deal was found by Cheapflights users on 4/16. 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 Philippine Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/1111:10 pm
SEA
-
BKK
1 stop33h 30m
Philippine Airlines
Thu 12/101:30 pm
BKK
-
SEA
1 stop20h 05m
Philippine Airlines
Deal found 4/16$707
This FlightHub deal was found by Cheapflights users on 4/16. 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.
Sun 11/2211:55 pm
SEA
-
BKK
1 stop30h 55m
Philippine Airlines
Tue 12/810:50 pm
BKK
-
SEA
1 stop35h 45m
Philippine Airlines
Deal found 4/16$708
This Kiwi.com deal was found by Cheapflights users on 4/16. 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.
Sun 9/1311:10 pm
SEA
-
BKK
1 stop23h 00m
Philippine Airlines
Mon 12/141:30 pm
BKK
-
SEA
1 stop20h 05m
Philippine Airlines
Deal found 4/16$709
This oojo deal was found by Cheapflights users on 4/16. 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.
Tue 8/2511:10 pm
SEA
-
BKK
1 stop19h 45m
Philippine Airlines
Mon 9/147:30 pm
BKK
-
SEA
1 stop38h 35m
Philippine Airlines
Deal found 4/16$713

Find 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 April 17, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$659
(oojo)

One-way from

$371
(oojo)

Popular in

June

Cheapest in

September

Average price

$803
Provider with most accurate pricing for Seattle/Tacoma Intl-Bangkok Suvarnabhumi flight deals.
Provider most trusted by Cheapflights users for Seattle/Tacoma Intl-Bangkok Suvarnabhumi flights.
From Seattle/Tacoma Intl to Bangkok Suvarnabhumi
One-way flight from Seattle/Tacoma Intl to Bangkok Suvarnabhumi
Highest demand for flights based on searches. 14% potential increase in price ($149 potential increase over avg. RT price).
Cheapest flight prices on average. 4% potential price decrease ($34 potential savings vs. average RT price).
Average for round-trip flights in April 2026

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 April 17, 2026.
Use the filters below to find and compare flights from Seattle to Bangkok Suvarnabhumi Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

SeattleBangkok

SEA - BKK

SEABKK

Seattle/Tacoma Intl

Wed 4/29

7:20 am-12:05 am

2 stops50h 45m

Bangkok Suvarnabhumi

Fri 5/8

3:20 pm-10:24 pm

2 stops45h 04m

$941
Quickest round-trip

SeattleBangkok

SEA - BKK

SEABKK

Seattle/Tacoma Intl

Wed 8/19

1:05 pm-1:05 am

1 stop22h 00m

Bangkok Suvarnabhumi

Mon 8/31

11:30 pm-1:37 pm

1 stop28h 07m

$968

SeattleBangkok

SEA - BKK

SEABKK

Seattle/Tacoma Intl

Mon 8/24

7:20 am-11:35 pm

2 stops26h 15m

Bangkok Suvarnabhumi

Wed 9/23

11:30 pm-10:40 am

1 stop25h 10m

$981

SeattleBangkok

SEA - BKK

SEABKK

Seattle/Tacoma Intl

Mon 5/4

10:40 pm-1:45 pm

2 stops49h 05m

Bangkok Suvarnabhumi

Fri 5/8

3:20 pm-10:24 pm

2 stops45h 04m

$993

SeattleBangkok

SEA - BKK

SEABKK

Seattle/Tacoma Intl

Mon 10/12

7:20 am-1:05 am

2 stops27h 45m

Bangkok Suvarnabhumi

Tue 11/17

12:55 am-9:00 am

1 stop23h 05m

$997

SeattleBangkok

SEA - BKK

SEABKK

Seattle/Tacoma Intl

Fri 8/21

7:20 am-11:35 pm

2 stops26h 15m

Bangkok Suvarnabhumi

Sat 8/29

2:35 am-3:24 pm

2 stops26h 49m

$1,068

SeattleBangkok

SEA - BKK

SEABKK

Seattle/Tacoma Intl

Sat 8/22

7:20 am-11:35 pm

2 stops26h 15m

Bangkok Suvarnabhumi

Fri 8/28

2:35 am-8:28 pm

2 stops31h 53m

$1,068

SeattleBangkok

SEA - BKK

SEABKK

Seattle/Tacoma Intl

Sat 5/9

7:15 am-12:05 am

2 stops50h 50m

Bangkok Suvarnabhumi

Mon 5/25

3:20 pm-10:45 pm

2 stops45h 25m

$1,119

SeattleBangkok

SEA - BKK

SEABKK

Seattle/Tacoma Intl

Thu 4/30

7:59 pm-11:35 pm

2 stops37h 36m

Bangkok Suvarnabhumi

Sun 5/31

11:30 pm-3:05 pm

2 stops29h 35m

$1,200

SeattleBangkok

SEA - BKK

SEABKK

Seattle/Tacoma Intl

Mon 5/18

5:15 pm-6:20 pm

1 stop35h 05m

Bangkok Suvarnabhumi

Mon 5/25

9:30 am-1:25 pm

1 stop41h 55m

$1,244

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/13

Showing 1-10 of 18 resultsSorted by cheapest first
1
2

Compare providers for flights from Seattle to Suvarnabhumi

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Seattle to Suvarnabhumi in April.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
OvagoPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy2 starsTrust Score*2 stars
CheapfaremartPrice Accuracy-Trust Score*1 star
oojoPrice Accuracy3 starsTrust Score*3 stars
Justfly.comPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
Kiwi.comPrice Accuracy3 starsTrust Score*3 stars
JustAirTicketPrice Accuracy-Trust Score*1 star

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Seattle-Bangkok Suvarnabhumi Airport flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Seattle-Bangkok Suvarnabhumi Airport flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Seattle-Bangkok Suvarnabhumi Airport flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Seattle-Bangkok Suvarnabhumi Airport flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Seattle-Bangkok Suvarnabhumi Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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 April 10, 2026.

The best time to book flights from Seattle to Bangkok Suvarnabhumi Airport is 74 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 $739). Flying from Seattle to Bangkok Suvarnabhumi Airport in June is currently the most expensive (average of $1,237). 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.

How much does it cost to fly round-trip from Seattle to Bangkok Suvarnabhumi Airport?

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 April 17, 2026.
See what other customers who have flown with STARLUX Airlines,EVA Air, andChina Airlines 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.

Comfort

8.9

Overall

8.9

Boarding

9.0

Crew

9.2

Entertainment

8.8

Food

8.6

Reviews

1 / 10
10.0
Excellent

Anonymous,Jan 2026

SEA - TPE

First time travelled with starlux and had best experience. Food was really good and crew is the best. Entertainment was also best. Having latest movies. I requested for isle seat at the last time and they provided me. Best airline service.

Comfort

8.9

Overall

8.9

Boarding

9.0

Crew

9.2

Entertainment

8.8

Food

8.6

Reviews

1 / 10
10.0
Excellent

Anonymous,Jan 2026

SEA - TPE

First time travelled with starlux and had best experience. Food was really good and crew is the best. Entertainment was also best. Having latest movies. I requested for isle seat at the last time and they provided me. Best airline service.

Comfort

8.9

Overall

8.9

Boarding

9.0

Crew

9.2

Entertainment

8.8

Food

8.6

Reviews

1 / 10
10.0
Excellent

Anonymous,Jan 2026

SEA - TPE

First time travelled with starlux and had best experience. Food was really good and crew is the best. Entertainment was also best. Having latest movies. I requested for isle seat at the last time and they provided me. Best airline service.

Comfort

8.9

Overall

8.9

Boarding

9.0

Crew

9.2

Entertainment

8.8

Food

8.6

Reviews

1 / 10
10.0
Excellent

Anonymous,Jan 2026

SEA - TPE

First time travelled with starlux and had best experience. Food was really good and crew is the best. Entertainment was also best. Having latest movies. I requested for isle seat at the last time and they provided me. Best airline service.

Comfort

8.9

Overall

8.9

Boarding

9.0

Crew

9.2

Entertainment

8.8

Food

8.6

Reviews

1 / 10
10.0
Excellent

Anonymous,Jan 2026

SEA - TPE

First time travelled with starlux and had best experience. Food was really good and crew is the best. Entertainment was also best. Having latest movies. I requested for isle seat at the last time and they provided me. Best airline service.

Comfort

8.9

Overall

8.9

Boarding

9.0

Crew

9.2

Entertainment

8.8

Food

8.6

Reviews

1 / 10
10.0
Excellent

Anonymous,Jan 2026

SEA - TPE

First time travelled with starlux and had best experience. Food was really good and crew is the best. Entertainment was also best. Having latest movies. I requested for isle seat at the last time and they provided me. Best airline service.

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 15 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 SAUDIA, Delta, and Korean Air fly from Seattle to Bangkok Suvarnabhumi Airport in about 22h. The time it takes to get you to your destination can typically vary by up to 28h 45m. Seattle and Bangkok Suvarnabhumi Airport are separated by a distance of 7443 mi. Both multi-stop and nonstop flights can be found to your destination and back.

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

    According to our current data, Philippine Airlines ($149), Singapore Airlines ($510), and Air Canada ($623) offers the cheapest pricing from Seattle to Bangkok Suvarnabhumi Airport. These flights start at 82% lower than the current average price 3 months from now.

  • What are the cheapest airlines to fly from Seattle to Bangkok Suvarnabhumi Airport one-way?

    The cheapest airlines for a one-way flight from Seattle to Bangkok Suvarnabhumi Airport are Singapore Airlines ($275), Philippine Airlines ($303), and Asiana Airlines ($348).

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

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

    Taipei 101, Raohe Street Night Market, and Shilin 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, Raohe Street Night Market, or Shilin Night Market can do so by traveling 21.0 mi, 21.6 mi, and 18.3 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 $74 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 Gwanghwamun more than any other notable places. Dongdaemun Market, Lotte World and Gwanghwamun are located about 31.6 mi, 35.7 mi, and 30.1 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 $48 per day.

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

    Sentosa, Universal Studios Singapore, and Merlion are currently the most popular points of interest in Singapore. Those on a layover in Singapore interested in visiting Sentosa, Universal Studios Singapore, or Merlion can do so by traveling 13.4 mi, 13.4 mi, and 10.5 mi, respectively from Singapore Changi. Those on a layover in Singapore in need of a rental car can book one at Singapore Changi for about $93.

  • Where are the least popular layover locations 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 $739). Flying from Seattle to Bangkok Suvarnabhumi Airport in June is currently the most expensive (average of $1,237). 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
Kanchanaburi
Chonburi
Cha-am
Ko Samet
Sattahip
Pak Chong
Ko Lan

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Alternative routes for Seattle to Suvarnabhumi

See prices for flight routes from nearby airports that may be better suited for you.

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 April 17, 2026.
AirlineCheapestAverageFlexibilityOn-time
Philippine AirlinesCheapest$149Average$682FlexibilityNo cancel feeOn-time60%
Singapore AirlinesCheapest$510Average$657FlexibilityNo cancel feeOn-time81%
Air CanadaCheapest$623Average$1,882FlexibilityNo cancel feeOn-time67%
Asiana AirlinesCheapest$626Average$690FlexibilityNo cancel feeOn-time76%
Korean AirCheapest$656Average$739FlexibilityNo cancel feeOn-time81%
ANACheapest$680Average$846FlexibilityNo cancel feeOn-time80%
DeltaCheapest$694Average$847FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$697Average$901FlexibilityNo cancel feeOn-time69%
Cathay PacificCheapest$704Average$798FlexibilityNo cancel feeOn-time72%
China AirlinesCheapest$712Average$810FlexibilityNo cancel feeOn-time70%

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