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Cheap flights from Seattle to Bangkok Suvarnabhumi Airport

SEA — BKK
2 Oct — 9 Oct1
1 adult
1 adult, Economy, 0 bags

Find flight deals from Seattle to Suvarnabhumi

Popular in

June

Cheapest in

March

Average price

C$ 1,144
Highest demand for flights based on searches. 14% potential increase in price (C$ 288 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease (C$ 66 potential savings vs. average RT price).
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Average for round-trip flights in September 2026
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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$ 1,037). Flying from Seattle to Bangkok Suvarnabhumi Airport in June is currently the most expensive (average of C$ 1,750). 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.

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
1,522 reviews
Check prices

Overall

8.5

Entertainment

8.0

Boarding

8.5

Crew

8.7

Food

8.1

Comfort

8.3

Reviews

1 / 20
10.0
Excellent

Daisy,May 2026

SFO - TPE

This ways excellent experience when I took the EVA airline. We will take EVA again!
EVA Air
8.5
Very good
1,522 reviews
EVA Air
8.5
Very good
1,522 reviews
Check prices

Overall

8.5

Entertainment

8.0

Boarding

8.5

Crew

8.7

Food

8.1

Comfort

8.3

Reviews

1 / 20
10.0
Excellent

Daisy,May 2026

SFO - TPE

This ways excellent experience when I took the EVA airline. We will take EVA again!
Asiana Airlines
8.1
Very good
558 reviews
EVA Air
8.5
Very good
1,522 reviews
Check prices

Overall

8.5

Entertainment

8.0

Boarding

8.5

Crew

8.7

Food

8.1

Comfort

8.3

Reviews

1 / 20
10.0
Excellent

Daisy,May 2026

SFO - TPE

This ways excellent experience when I took the EVA airline. We will take EVA again!

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.

  • 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$ 879. Another airline that can offer you cheap pricing is EVA Air. Asiana Airlines is currently priced 29% 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$ 1,037). Flying from Seattle to Bangkok Suvarnabhumi Airport in June is currently the most expensive (average of C$ 1,750). 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$ 879AverageC$ 933FlexibilityNo cancel feeOn-time76%
Search Asiana Airlines flights
EVA AirCheapestC$ 1,069AverageC$ 1,270FlexibilityNo 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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