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Cheap flights from Seattle to Bangkok from $331

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 departing on 2/23. 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.

Cheap one-way flights

Flying one-way? These are some of the best deals recently discovered on momondo for flights from Seattle to Bangkok.

Cheap last minute flights

Planning a quick getaway from Seattle to Bangkok? These are the last-minute flight deals available now.

Cheap direct flights

If you prefer a non-stop journey, check out our latest direct flight deals to Bangkok, so you can enjoy a seamless trip without layovers.

Cheap bus & train deals from Seattle to Bangkok

Find recent round-trip train or bus tickets from Seattle to Bangkok.

All round-trip flight deals to Bangkok

The cheapest plane tickets to Bangkok found on KAYAK recently.
9:40 am - 2:35 pmSEA-BKK
38h 55m1 stop
12:15 pm - 8:45 amBKK-SEA
34h 30m1 stop
$573Singapore Airlines
Find Deal
Sun, Mar 9 - Mon, Jun 9
12:45 pm - 12:20 amSEA-BKK
20h 35m1 stop
11:55 pm - 12:35 pmBKK-SEA
26h 40m1 stop
$604Asiana Airlines
Find Deal
Sun, Feb 9 - Tue, Jun 10
12:45 pm - 12:20 amSEA-BKK
20h 35m1 stop
11:55 pm - 10:55 amBKK-SEA
26h 00m1 stop
$609Asiana Airlines
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Tue, Feb 4 - Tue, Feb 25
11:00 am - 11:20 pmSEA-BKK
21h 20m1 stop
9:40 am - 9:00 amBKK-SEA
38h 20m1 stop
$722Korean Air
Find Deal
Mon, Feb 10 - Thu, Feb 20
11:00 am - 9:30 pmSEA-BKK
19h 30m1 stop
11:15 pm - 9:00 amBKK-SEA
24h 45m1 stop
$736Korean Air
Find Deal
Tue, Feb 18 - Wed, Feb 26
10:44 am - 11:20 pmSEA-BKK
21h 36m1 stop
1:00 am - 1:30 pmBKK-SEA
27h 30m1 stop
$760Delta
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Mon, Feb 17 - Tue, Feb 25
10:41 am - 12:45 amSEA-BKK
23h 04m1 stop
9:30 pm - 1:30 pmBKK-SEA
31h 00m1 stop
$762Delta
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Mon, Jan 20 - Mon, Feb 3
3:45 pm - 5:10 amSEA-BKK
22h 25m1 stop
3:15 pm - 1:20 pmBKK-SEA
37h 05m1 stop
$767ANA
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Wed, Jan 29 - Sun, Feb 16
3:45 pm - 6:35 amSEA-BKK
23h 50m1 stop
3:15 pm - 1:20 pmBKK-SEA
37h 05m1 stop
$770ANA
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Mon, Jan 20 - Mon, Jan 27
12:10 am - 9:50 amSEA-BKK
18h 40m1 stop
2:05 pm - 7:15 pmBKK-SEA
19h 10m1 stop
$810China Airlines
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Mon, Mar 3 - Mon, Mar 17
8:40 am - 6:45 pmSEA-BKK
43h 05m1 stop
$331Singapore Airlines
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Sun, Feb 23
10:15 am - 5:25 pmSEA-BKK
41h 10m1 stop
$342Singapore Airlines
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Tue, Apr 15
12:45 pm - 12:20 amSEA-BKK
20h 35m1 stop
$353Asiana Airlines
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Mon, Feb 10
12:45 pm - 12:20 amSEA-BKK
20h 35m1 stop
$365Asiana Airlines
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Tue, Jan 28
11:00 am - 9:30 pmSEA-BKK
19h 30m1 stop
$445Korean Air
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Sun, Jan 5
11:00 am - 11:20 pmSEA-BKK
21h 20m1 stop
$450Korean Air
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Tue, Jan 7
1:10 am - 11:40 pmSEA-BKK
32h 30m1 stop
$482EVA Air
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Mon, Mar 10
1:30 am - 1:05 pmSEA-BKK
21h 35m1 stop
$483EVA Air
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Mon, Apr 14
12:10 am - 9:50 amSEA-BKK
18h 40m1 stop
$494China Airlines
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Sat, Feb 15
12:10 am - 1:05 pmSEA-BKK
21h 55m1 stop
$512China Airlines
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Tue, Feb 11
12:10 am - 4:45 pmSEA-BKK
25h 35m1 stop
5:50 pm - 6:15 pmBKK-SEA
15h 25m1 stop
$1,108China Airlines
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Sat, Dec 28 - Tue, Jan 28
12:10 am - 4:45 pmSEA-BKK
25h 35m1 stop
2:35 am - 6:15 pmBKK-SEA
30h 40m1 stop
$1,138China Airlines
Find Deal
Sat, Dec 28 - Wed, Jan 29
11:30 pm - 11:40 pmSEA-BKK
33h 10m1 stop
12:45 pm - 6:10 pmBKK-SEA
20h 25m1 stop
$1,142EVA Air
Find Deal
Sat, Dec 28 - Wed, Jan 29
12:10 am - 1:25 amSEA-BKK
34h 15m1 stop
12:45 pm - 6:10 pmBKK-SEA
20h 25m1 stop
$1,186EVA Air
Find Deal
Sat, Dec 28 - Wed, Jan 29
12:45 pm - 12:15 amSEA-BKK
20h 30m1 stop
11:55 pm - 10:55 amBKK-SEA
26h 00m1 stop
$1,257Asiana Airlines
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Thu, Dec 26 - Fri, Feb 28
8:40 am - 5:30 pmSEA-BKK
41h 50m1 stop
8:35 pm - 7:10 amBKK-SEA
25h 35m1 stop
$1,355Singapore Airlines
Find Deal
Thu, Dec 26 - Wed, Jan 29
12:45 pm - 12:15 amSEA-BKK
20h 30m1 stop
1:50 am - 10:55 amBKK-SEA
24h 05m1 stop
$1,378Asiana Airlines
Find Deal
Thu, Dec 26 - Thu, Feb 27
8:40 am - 8:15 amSEA-BKK
32h 35m1 stop
9:10 pm - 7:10 amBKK-SEA
25h 00m1 stop
$1,455Singapore Airlines
Find Deal
Thu, Dec 26 - Mon, Jan 27
11:00 am - 12:45 amSEA-BKK
22h 45m1 stop
1:00 am - 3:00 pmBKK-SEA
29h 00m2 stops
$1,724Korean Air
Find Deal
Thu, Dec 26 - Thu, Feb 27
11:00 am - 11:20 pmSEA-BKK
21h 20m1 stop
1:00 am - 1:30 pmBKK-SEA
27h 30m1 stop
$1,757Korean Air
Find Deal
Thu, Dec 26 - Thu, Feb 27

Asiana Airlines flights from Seattle to Bangkok

Our best Asiana Airlines deals on Seattle to Bangkok flight tickets
Asiana Airlines
Feb 9
SEA12:45 pmSeattle/Tacoma Intl
20h 35m
1 stop
BKK12:20 amBangkok Suvarnabhumi
Jun 10
BKK11:55 pmBangkok Suvarnabhumi
26h 40m
1 stop
SEA12:35 pmSeattle/Tacoma Intl
Asiana Airlines
Feb 4
SEA12:45 pmSeattle/Tacoma Intl
20h 35m
1 stop
BKK12:20 amBangkok Suvarnabhumi
Feb 25
BKK11:55 pmBangkok Suvarnabhumi
26h 00m
1 stop
SEA10:55 amSeattle/Tacoma Intl
Asiana Airlines
Feb 26
SEA12:45 pmSeattle/Tacoma Intl
20h 35m
1 stop
BKK12:20 amBangkok Suvarnabhumi
Mar 9
BKK11:55 pmBangkok Suvarnabhumi
26h 00m
1 stop
SEA11:55 amSeattle/Tacoma Intl

Singapore Airlines flights from Seattle to Bangkok

Our best Singapore Airlines deals on Seattle to Bangkok flight tickets
Singapore Airlines
Mar 9
SEA9:40 amSeattle/Tacoma Intl
38h 55m
1 stop
BKK2:35 pmBangkok Suvarnabhumi
Jun 9
BKK12:15 pmBangkok Suvarnabhumi
34h 30m
1 stop
SEA8:45 amSeattle/Tacoma Intl
Singapore Airlines
Mar 2
SEA8:40 amSeattle/Tacoma Intl
20h 20m
1 stop
BKK8:00 pmBangkok Suvarnabhumi
Mar 17
BKK8:00 pmBangkok Suvarnabhumi
26h 10m
1 stop
SEA8:10 amSeattle/Tacoma Intl
Singapore Airlines
Mar 9
SEA9:40 amSeattle/Tacoma Intl
43h 05m
1 stop
BKK6:45 pmBangkok Suvarnabhumi
Jun 9
BKK3:30 pmBangkok Suvarnabhumi
31h 15m
1 stop
SEA8:45 amSeattle/Tacoma Intl

See travel insights to Bangkok from

How to get the cheapest flight ticket from Seattle to Bangkok

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?

If you aren’t able to travel during the month of October, then book flights to Bangkok from Seattle during September instead. Flights to Bangkok in September, while not as cheap as those in October, still average around $897.

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

On average, the least expensive day to fly to Bangkok from Seattle is on a Tuesday. momondo users have found tickets for Tuesday departures for as low as $931. However, this price may fluctuate depending on the airline, the season, and holidays. Flights from Seattle to Bangkok on a Friday will generally be more expensive and average around $1,111. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

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

According to our data, the cheapest time of day to fly to Bangkok is in the morning. momondo users have found flights departing from Seattle to Bangkok in the morning for as low as $986. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Try not to purchase tickets at noon because they tend to be around $1,081. Of course, these prices can vary depending on the time of year and what airport you fly to.

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

We recommend purchasing flights from Seattle to Bangkok 59 days ahead of your departure date because this is when momondo users tend to see the best flight rates. On average, our users have found flights to Bangkok for $1,089. Keep in mind that you might also find cheap flights to Bangkok outside of this time window. In fact, momondo users recently found flights from Seattle to Bangkok for $893.

Can stopping save me money on Seattle to Bangkok flights?

You could potentially save up to 21% on your flight if you consider stops on a Seattle to Bangkok flight.

Cheap Seattle to Bangkok flight deals and tips

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

Best Price Found

$331

Fastest flight time

18h 40m

Direct flights

None

Airports in Bangkok

2 airports
The best one-way flight to Bangkok from Seattle in the past 72 hours is $331. The best round-trip flight deal from Seattle to Bangkok found on momondo in the last 72 hours is $573.
The fastest flight from Seattle to Bangkok takes 18h 40m
There are no direct flights from Seattle to Bangkok. Popular non-direct routes for this connection are Seattle/Tacoma Intl Airport - Bangkok Suvarnabhumi Airport and Seattle/Tacoma Intl Airport - Bangkok Don Mueang Intl Airport.
There are 2 airports near Bangkok: Bangkok Suvarnabhumi (BKK), Bangkok Don Mueang Intl (DMK)

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

    A flight from Seattle/Tacoma Intl to Bangkok will travel around 7436.9 mi. 18h 40m is a normal flight duration for this route.

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

    Prices for flights from Seattle/Tacoma Intl Airport to Bangkok were last updated today.

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

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

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Seattle/Tacoma Intl Airport to Bangkok.

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

    The required travel and health documents for your Bangkok trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Bangkok. We recommend that you seek guidance from your airline or a reliable third party such as IATA.


Best airlines flying from Seattle to Bangkok

Compare and see reviews for airlines that fly from Seattle to Bangkok with momondo
Airline
Rating
Free Cancellation
Price
Singapore AirlinesPriceFrom $623Free CancellationRating
8.1
1,330 reviews
Search Singapore Airlines flights
Asiana AirlinesPriceFrom $679Free CancellationRating
8.2
472 reviews
Search Asiana Airlines flights
Korean AirPriceFrom $732Free CancellationRating
8.4
1,025 reviews
Search Korean Air flights
Philippine AirlinesPriceFrom $734Free CancellationRating
7.2
942 reviews
Search Philippine Airlines flights
China AirlinesPriceFrom $753Free CancellationRating
8.2
753 reviews
Search China Airlines flights
China EasternPriceFrom $755Free CancellationRating
7.0
143 reviews
Search China Eastern flights
ANAPriceFrom $764Free CancellationRating
8.4
841 reviews
Search ANA flights
United AirlinesPriceFrom $787Free CancellationRating
7.4
9,022 reviews
Search United Airlines flights
STARLUX AirlinesPriceFrom $817Free CancellationRating
9.1
129 reviews
Search STARLUX Airlines flights
Turkish AirlinesPriceFrom $817Free CancellationRating
7.3
3,902 reviews
Search Turkish Airlines flights

Why use momondo?

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

It is quick and easy to find Seattle to Bangkok flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Bangkok that suits you.

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

Flights from Seattle to Bangkok with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

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?

Yes. momondo can track prices for Seattle to Bangkok flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.


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Fly into one of these airports located in Bangkok

Airports listed have a maximum distance of 15.4 mi from Bangkok