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Cheap flights from Seattle to Bangkok Suvarnabhumi Airport from $332

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Seattle to Bangkok Suvarnabhumi Airport departing on 3/25. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from Seattle to Bangkok

Cheap round-trip flights

These are some of the best round-trip flight deals from Seattle to Bangkok that have been recently found on momondo from popular airlines, departing in the coming months.
11:30 pm - 5:40 pmSEA-BKK
28h 10m1 stop
6:40 pm - 7:20 pmBKK-SEA
38h 40m1 stop
$687Philippine Airlines
Find Deal
Sun, Apr 20 - Sat, Apr 26
11:30 pm - 12:15 pmSEA-BKK
22h 45m1 stop
6:40 pm - 7:20 pmBKK-SEA
38h 40m1 stop
$695Philippine Airlines
Find Deal
Sun, Apr 20 - Sat, Apr 26
12:00 pm - 12:45 amSEA-BKK
22h 45m1 stop
9:30 pm - 10:00 amBKK-SEA
26h 30m1 stop
$716Korean Air
Find Deal
Mon, Mar 10 - Mon, Mar 24
1:45 pm - 12:20 amSEA-BKK
20h 35m1 stop
1:10 am - 12:30 pmBKK-SEA
25h 20m1 stop
$725Asiana Airlines
Find Deal
Sun, Mar 9 - Mon, Jun 9
12:45 pm - 12:20 amSEA-BKK
20h 35m1 stop
1:10 am - 12:30 pmBKK-SEA
25h 20m1 stop
$735Asiana Airlines
Find Deal
Tue, Mar 4 - Tue, Apr 22
12:50 pm - 9:45 pmSEA-BKK
18h 55m1 stop
9:50 am - 10:40 amBKK-SEA
38h 50m1 stop
$743Korean Air
Find Deal
Sun, Mar 30 - Sun, May 18
1:10 am - 9:45 amSEA-BKK
18h 35m1 stop
2:40 am - 7:30 pmBKK-SEA
30h 50m1 stop
$769China Airlines
Find Deal
Sun, Apr 20 - Sun, Apr 27
1:10 am - 1:05 pmSEA-BKK
21h 55m1 stop
5:30 pm - 7:30 pmBKK-SEA
16h 00m1 stop
$775China Airlines
Find Deal
Mon, Mar 10 - Tue, Jun 10
11:50 pm - 11:10 amSEA-BKK
21h 20m1 stop
12:25 pm - 6:50 pmBKK-SEA
20h 25m1 stop
$845EVA Air
Find Deal
Sat, Mar 15 - Thu, Apr 3
12:10 am - 10:45 amSEA-BKK
19h 35m1 stop
2:15 am - 7:10 pmBKK-SEA
30h 55m1 stop
$878EVA Air
Find Deal
Sun, Mar 2 - Tue, Mar 11

Philippine Airlines flights from Seattle to Bangkok Suvarnabhumi Airport

Our best Philippine Airlines deals on Seattle to Bangkok Suvarnabhumi Airport flight tickets
Philippine Airlines
Apr 20
SEA11:30 pmSeattle/Tacoma Intl
28h 10m
1 stop
BKK5:40 pmBangkok Suvarnabhumi
Apr 26
BKK6:40 pmBangkok Suvarnabhumi
38h 40m
1 stop
SEA7:20 pmSeattle/Tacoma Intl
Philippine Airlines
Apr 20
SEA11:30 pmSeattle/Tacoma Intl
22h 45m
1 stop
BKK12:15 pmBangkok Suvarnabhumi
Apr 26
BKK6:40 pmBangkok Suvarnabhumi
38h 40m
1 stop
SEA7:20 pmSeattle/Tacoma Intl
Philippine Airlines
Mar 16
SEA11:35 pmSeattle/Tacoma Intl
22h 45m
1 stop
BKK12:20 pmBangkok Suvarnabhumi
Mar 22
BKK11:15 pmBangkok Suvarnabhumi
33h 55m
1 stop
SEA7:10 pmSeattle/Tacoma Intl

Singapore Airlines flights from Seattle to Bangkok Suvarnabhumi Airport

Our best Singapore Airlines deals on Seattle to Bangkok Suvarnabhumi Airport flight tickets
Singapore Airlines
Mar 30
SEA10:15 amSeattle/Tacoma Intl
19h 45m
1 stop
BKK8:00 pmBangkok Suvarnabhumi
May 6
BKK8:10 pmBangkok Suvarnabhumi
34h 30m
2 stops
SEA4:40 pmSeattle/Tacoma Intl
Singapore Airlines
Apr 22
SEA10:15 amSeattle/Tacoma Intl
19h 45m
1 stop
BKK8:00 pmBangkok Suvarnabhumi
May 6
BKK6:30 pmBangkok Suvarnabhumi
36h 10m
2 stops
SEA4:40 pmSeattle/Tacoma Intl
Singapore Airlines
Apr 13
SEA10:15 amSeattle/Tacoma Intl
38h 05m
1 stop
BKK2:20 pmBangkok Suvarnabhumi
May 5
BKK9:15 pmBangkok Suvarnabhumi
25h 30m
1 stop
SEA8:45 amSeattle/Tacoma Intl

See travel insights to Bangkok from

How to get the cheapest flight ticket from Seattle to Bangkok Suvarnabhumi Airport

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 to Bangkok Suvarnabhumi Airport?

The month of February is, on average, the cheapest month to fly to Bangkok Suvarnabhumi Airport from Seattle, with most prices found around $845. The month of March is another great option to travel to Bangkok Suvarnabhumi Airport, with average flight prices from Seattle averaging around $850.

What is the cheapest day to depart on your flight to Bangkok Suvarnabhumi Airport?

The cheapest day to depart on your flight to Bangkok Suvarnabhumi Airport is on a Tuesday when prices can be found for as low as $931. This is often the case because there is less demand to fly during this day of the week. On the other hand, Friday is the most expensive day to depart from Seattle because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $1,111.

What is the cheapest time of day to depart on your flight to Bangkok Suvarnabhumi Airport?

Our most recent data shows that the best time of day to fly to Bangkok Suvarnabhumi Airport is in the morning. Flights from Seattle to Bangkok Suvarnabhumi Airport during this time can be as low as $986. At noon is when there is more demand to fly to Bangkok Suvarnabhumi Airport, so prices are often more expensive at around $1,081 per ticket.

How far in advance should I book a flight to Bangkok Suvarnabhumi Airport?

You are more likely to see cheaper flights to Bangkok Suvarnabhumi Airport from Seattle when booking 13 weeks ahead of your departure date. In general, you can expect to find flights to Bangkok Suvarnabhumi Airport for around $1,038 when searching 13 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Bangkok Suvarnabhumi Airport from Seattle for as low as $842 on momondo.

How have Seattle to Bangkok Suvarnabhumi Airport flight prices changed over time?

As of February 2025, prices for Seattle to Bangkok Suvarnabhumi Airport flights are approximately 4% cheaper when compared to flights at the same time last year.

When to book flights from Seattle to Bangkok Suvarnabhumi Airport

Are you open to changing your travel dates? Check out the ideal times to fly from Seattle to Bangkok Suvarnabhumi Airport according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Seattle to Bangkok Suvarnabhumi Airport (SEA to BKK) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Seattle to Bangkok Suvarnabhumi Airport

Best Price Found

$332

Fastest flight time

18h 05m

Direct flights

None
The best one-way flight to Bangkok Suvarnabhumi Airport from Seattle in the past 72 hours is $332. The best round-trip flight deal from Seattle to Bangkok Suvarnabhumi Airport found on momondo in the last 72 hours is $687.
The fastest flight from Seattle to Bangkok Suvarnabhumi Airport takes 18h 05m
There are no direct flights from Seattle to Bangkok Suvarnabhumi Airport. Popular non-direct route for this connection is Seattle/Tacoma Intl Airport - Bangkok Suvarnabhumi Airport.

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

    The straight-line distance from Seattle/Tacoma Intl to Bangkok Suvarnabhumi is 7433.8 mi. 18h 05m is a normal flight duration for this route.

  • When did momondo last update prices for flights from Seattle/Tacoma Intl Airport to Bangkok Suvarnabhumi Airport?

    Prices for flights from Seattle/Tacoma Intl Airport to Bangkok Suvarnabhumi Airport are refreshed on a daily basis.

  • How many operators does momondo search for flights from Seattle/Tacoma Intl Airport to Bangkok Suvarnabhumi Airport?

  • How old do you have to be to fly from Seattle/Tacoma Intl Airport to Bangkok Suvarnabhumi Airport?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Seattle/Tacoma Intl Airport to Bangkok Suvarnabhumi Airport.

  • What documentation or ID do you need to fly to Bangkok Suvarnabhumi Airport?

    The travel and health documents required for your trip to Bangkok Suvarnabhumi Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Bangkok Suvarnabhumi Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

  • What is the most popular airline from Seattle to Bangkok Suvarnabhumi Airport?


Best airlines flying from Seattle to Bangkok Suvarnabhumi Airport

Compare and see reviews for airlines that fly from Seattle to Bangkok Suvarnabhumi Airport with momondo
Airline
Rating
Free Cancellation
Price
Singapore AirlinesPriceFrom $630Free CancellationRating
8.1
1,299 reviews
Search Singapore Airlines flights
Asiana AirlinesPriceFrom $636Free CancellationRating
8.2
446 reviews
Search Asiana Airlines flights
Korean AirPriceFrom $707Free CancellationRating
8.4
1,037 reviews
Search Korean Air flights
Philippine AirlinesPriceFrom $710Free CancellationRating
7.3
878 reviews
Search Philippine Airlines flights
China AirlinesPriceFrom $753Free CancellationRating
8.2
727 reviews
Search China Airlines flights
China EasternPriceFrom $755Free CancellationRating
7.0
126 reviews
Search China Eastern flights
DeltaPriceFrom $760Free CancellationRating
8.0
8,220 reviews
Search Delta flights
ANAPriceFrom $761Free CancellationRating
8.4
842 reviews
Search ANA flights
Turkish AirlinesPriceFrom $773Free CancellationRating
7.3
3,832 reviews
Search Turkish Airlines flights
United AirlinesPriceFrom $786Free CancellationRating
7.4
8,766 reviews
Search United Airlines flights

Traveling to a place near Bangkok?

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

Why use momondo?

Why should I use momondo to find a flight deal from Seattle to Bangkok?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Seattle to Bangkok. Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from Seattle to Bangkok with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for Seattle to Bangkok flights to just show those with flexible booking policies.

How can momondo help me find flights from Seattle to Bangkok?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Bangkok from Seattle.

I’m not ready to book a flight from Seattle to Bangkok right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of Seattle to Bangkok flights. All you need is a valid email address and we will do the rest; it is that quick and easy.


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