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Cheap flights from Seattle to Bangkok Suvarnabhumi Airport from C$ 599

SEA — BKK
25 Nov — 2 Dec1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Seattle to Suvarnabhumi

Enter your travel dates to find the best prices.

Cheapest flights from Seattle to Suvarnabhumi

Tue 17/1110:20 a.m. -
1 stop37h 00m
Wed 2/127:30 p.m. -
2 stops27h 35m
Deal found 23/10C$ 1,161
Sun 1/119:30 p.m. -
1 stop20h 25m
Thu 5/111:10 p.m. -
1 stop20h 35m
Deal found 21/10C$ 1,165
Tue 17/1110:20 a.m. -
1 stop22h 15m
Fri 27/1112:45 a.m. -
1 stop22h 35m
Deal found 23/10C$ 1,190
Thu 19/1110:05 a.m. -
1 stop33h 35m
Wed 2/127:30 p.m. -
2 stops27h 35m
Deal found 23/10C$ 1,192
Sun 15/119:30 p.m. -
1 stop20h 25m
Fri 4/129:55 a.m. -
1 stop23h 50m
Deal found 23/10C$ 1,221
Wed 18/1110:25 a.m. -
1 stop22h 50m
Tue 1/123:10 p.m. -
1 stop32h 35m
Deal found 23/10C$ 1,249
Tue 3/1112:30 p.m. -
1 stop42h 00m
Mon 21/121:05 a.m. -
1 stop25h 51m
Deal found 23/10C$ 1,256
Tue 10/114:39 p.m. -
2 stops27h 51m
Tue 17/119:10 a.m. -
1 stop19h 10m
Deal found 21/10C$ 1,269
Tue 3/117:00 a.m. -
2 stops26h 20m
Tue 17/119:10 a.m. -
1 stop19h 10m
Deal found 23/10C$ 1,273
Mon 9/111:16 p.m. -
3 stops31h 14m
Tue 17/119:10 a.m. -
1 stop19h 10m
Deal found 25/10C$ 1,275
Thu 22/1011:45 a.m. -
1 stop32h 15m
Mon 16/111:05 p.m. -
1 stop34h 40m
Deal found 22/10C$ 1,276
Tue 10/114:39 p.m. -
2 stops27h 51m
Wed 18/117:10 a.m. -
1 stop21h 10m
Deal found 25/10C$ 1,282

Find flight deals from Seattle to Suvarnabhumi

Round-trip from

C$ 1,130

One-way from

C$ 599

Popular in

June

Cheapest in

March

Average price

C$ 1,158
Singapore Airlines
  • Singapore Airlines
  • 18/4-31/5
  • 2 total stops
  • 57h 10m total
  • Seattle to Bangkok
Search Deals
Philippine Airlines
  • Philippine Airlines
  • 4/11-31/12
  • 1 total stop
  • 34h 15m total
  • Seattle to Bangkok
Search Deals
Highest demand for flights based on searches. 12% potential increase in price (C$ 252 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (C$ 61 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in October 2026
Search Deals

Cheapflights Fare Finder

 
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 Seattle/Tacoma Intl - BKK Bangkok Suvarnabhumi

SEABKK

Seattle/Tacoma Intl

Thu 28/1

12:40 p.m.-9:30 p.m.

1 stop41h 50m

Bangkok Suvarnabhumi

Wed 31/12

12:00 a.m.-9:00 a.m.

Nonstop0h 00m

C$ 619
Quickest round-trip

SeattleBangkok

SEA Seattle/Tacoma Intl - BKK Bangkok Suvarnabhumi

SEABKK

Seattle/Tacoma Intl

Mon 8/2

12:50 p.m.-12:20 a.m.

1 stop20h 30m

Bangkok Suvarnabhumi

Wed 31/12

12:00 a.m.-9:00 a.m.

Nonstop0h 00m

C$ 619

SeattleBangkok

SEA Seattle/Tacoma Intl - BKK Bangkok Suvarnabhumi

SEABKK

Seattle/Tacoma Intl

Mon 1/2

12:50 p.m.-12:20 a.m.

1 stop20h 30m

Bangkok Suvarnabhumi

Wed 31/12

12:00 a.m.-9:00 a.m.

Nonstop0h 00m

C$ 619

SeattleBangkok

SEA Seattle/Tacoma Intl - BKK Bangkok Suvarnabhumi

SEABKK

Seattle/Tacoma Intl

Mon 25/1

2:40 p.m.-9:30 p.m.

2 stops39h 50m

Bangkok Suvarnabhumi

Wed 31/12

12:00 a.m.-9:00 a.m.

Nonstop0h 00m

C$ 620

SeattleBangkok

SEA Seattle/Tacoma Intl - BKK Bangkok Suvarnabhumi

SEABKK

Seattle/Tacoma Intl

Wed 3/2

12:10 a.m.-9:30 p.m.

1 stop30h 20m

Bangkok Suvarnabhumi

Wed 31/12

12:00 a.m.-9:00 a.m.

Nonstop0h 00m

C$ 622

SeattleBangkok

SEA Seattle/Tacoma Intl - BKK Bangkok Suvarnabhumi

SEABKK

Seattle/Tacoma Intl

Tue 2/3

6:57 a.m.-11:30 a.m.

3 stops37h 33m

Bangkok Suvarnabhumi

Wed 31/12

12:00 a.m.-9:00 a.m.

Nonstop0h 00m

C$ 627

SeattleBangkok

SEA Seattle/Tacoma Intl - BKK Bangkok Suvarnabhumi

SEABKK

Seattle/Tacoma Intl

Wed 13/1

1:18 p.m.-11:30 a.m.

3 stops31h 12m

Bangkok Suvarnabhumi

Wed 31/12

12:00 a.m.-9:00 a.m.

Nonstop0h 00m

C$ 627

SeattleBangkok

SEA Seattle/Tacoma Intl - BKK Bangkok Suvarnabhumi

SEABKK

Seattle/Tacoma Intl

Wed 27/1

1:18 p.m.-11:30 a.m.

3 stops31h 12m

Bangkok Suvarnabhumi

Wed 31/12

12:00 a.m.-9:00 a.m.

Nonstop0h 00m

C$ 627

SeattleBangkok

SEA Seattle/Tacoma Intl - BKK Bangkok Suvarnabhumi

SEABKK

Seattle/Tacoma Intl

Mon 4/1

12:00 p.m.-12:20 a.m.

2 stops45h 20m

Bangkok Suvarnabhumi

Wed 31/12

12:00 a.m.-9:00 a.m.

Nonstop0h 00m

C$ 629

SeattleBangkok

SEA Seattle/Tacoma Intl - BKK Bangkok Suvarnabhumi

SEABKK

Seattle/Tacoma Intl

Tue 9/2

10:21 a.m.-11:30 a.m.

3 stops34h 09m

Bangkok Suvarnabhumi

Wed 31/12

12:00 a.m.-9:00 a.m.

Nonstop0h 00m

C$ 636

Flights are sorted by cheapest round-trip flights first.

Deals found on 24/10

Showing 1-10 of 22 resultsSorted by cheapest first
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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

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?

To ensure you get the cheapest price possible for a flight from Seattle to Bangkok Suvarnabhumi Airport, you should look to book at least 58 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

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

Currently, March is the cheapest month in which you can book a flight from Seattle to Bangkok Suvarnabhumi Airport (average of C$ 1,055). Flying from Seattle to Bangkok Suvarnabhumi Airport in June is currently the most expensive (average of C$ 1,738). 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?

Airfare is typical for this route at the moment.

Seattle to Bangkok Suvarnabhumi Airport flights typically cost between C$ 1,072 and C$ 1,321 in April.
The cheapest round-trip price found within the last 5 days was C$ 1,130 on Singapore Airlines (18 Apr-31 May).

Reviews of airlines servicing Suvarnabhumi

Read reviews from past customers who have flown EVA Air and Asiana Airlines from Seattle to Bangkok Suvarnabhumi Airport. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
EVA Air
8.5
Very good
1,551 reviews
Check prices

Crew

8.7

Overall

8.5

Boarding

8.4

Comfort

8.3

Entertainment

8.0

Food

8.1

Reviews

1 / 20
8.0
Excellent

Anonymous,Oct 2026

TPE - CNX

I appreciate the free WIFI and meals. The crew are friendly.
EVA Air
8.5
Very good
1,551 reviews
EVA Air
8.5
Very good
1,551 reviews
Check prices

Crew

8.7

Overall

8.5

Boarding

8.4

Comfort

8.3

Entertainment

8.0

Food

8.1

Reviews

1 / 20
8.0
Excellent

Anonymous,Oct 2026

TPE - CNX

I appreciate the free WIFI and meals. The crew are friendly.
Asiana Airlines
8.1
Very good
567 reviews
EVA Air
8.5
Very good
1,551 reviews
Check prices

Crew

8.7

Overall

8.5

Boarding

8.4

Comfort

8.3

Entertainment

8.0

Food

8.1

Reviews

1 / 20
8.0
Excellent

Anonymous,Oct 2026

TPE - CNX

I appreciate the free WIFI and meals. The crew are friendly.

Related info for your journey

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

    If you book a flight to Bangkok Suvarnabhumi from Seattle, you will be flying from Seattle/Tacoma Intl, which is the city’s only airport. Seattle/Tacoma Intl (SEA) is located 18.4 km from the centre of Seattle. There are 0 flights from Seattle/Tacoma Intl to Bangkok Suvarnabhumi per day from 2 different airlines.

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

    A quick flight from Seattle to Bangkok Suvarnabhumi Airport can take about 20h 35m. Delta provides one of the quickest options available for as low as C$ 1,217. Seattle and Bangkok Suvarnabhumi Airport are separated by a distance of 11978 km. This flight may include one or multiple stops.

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

    Cheapflights users have booked flights from Seattle to Bangkok Suvarnabhumi Airport round-trip from C$ 887. Another airline that can offer you cheap pricing is EVA Air. Asiana Airlines is currently priced 30% below the average price you’ll pay for this route.

  • 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, March is the cheapest month in which you can book a flight from Seattle to Bangkok Suvarnabhumi Airport (average of C$ 1,055). Flying from Seattle to Bangkok Suvarnabhumi Airport in June is currently the most expensive (average of C$ 1,738). 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

Travelling to a place near Bangkok Suvarnabhumi Airport?

Book flights to Bangkok Suvarnabhumi Airport if you plan to visit one of these locations
Ko Lan
Cha-am
Ko Samet

Browse thousands of different options on Cheapflights for your next trip

Top 2 airlines flying from Seattle to Suvarnabhumi

AirlineCheapestAverageFlexibilityOn-time
Asiana AirlinesCheapestC$ 887AverageC$ 941FlexibilityNo cancel feeOn-time76%
Search Asiana Airlines flights
EVA AirCheapestC$ 1,079AverageC$ 1,280FlexibilityNo cancel feeOn-time74%
Search EVA Air flights

Fly with Cheapflights

How does Cheapflights help users find flights from Seattle to Suvarnabhumi?

900+ travel sites are searched through when a user searches for a flight using Cheapflights. From the search interface, users can use filters to choose airlines, airports, flight times, cabin classes and more to their preference. Book your flight to Suvarnabhumi from Seattle today with Cheapflights!

Why should you use Cheapflights to find cheap flight tickets from Seattle to Suvarnabhumi?

Millions of users choose and trust Cheapflights to book the best flight deals from Seattle to Suvarnabhumi for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

Can Cheapflights find flights from Seattle to Suvarnabhumi with no change fees?

Certainly. Search results for flights to Suvarnabhumi from Seattle shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

Can Cheapflights notify me if prices for flights from Seattle to Suvarnabhumi become cheaper?

Yes, Cheapflights offers price alerts on Seattle to Suvarnabhumi flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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