What is the cheapest airline that flies from Bangkok to Washington?

Philippine Airlines, Air Canada, and China Airlines are the most popular carriers operating from Bangkok to Washington

What airlines fly to State of Washington?

EVA Air, STARLUX Airlines and Delta are the top three most popular airlines that fly to State of Washington from Bangkok according to our data. EVA Air is the first choice among our users, with 30% of people opting to fly with this airline when traveling to State of Washington. Keep in mind that there are 8 different airlines that fly to State of Washington on a routine basis, so you have a few additional options to choose from.

When did momondo last update prices for flights from Bangkok to Washington?

Prices for flights from Bangkok to Washington were last updated today.

How many operators does momondo search for flights from Bangkok to Washington?

There are 8 operators available for flights from Bangkok to Washington as of January 2026.

How old do you have to be to fly from Bangkok to Washington?

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 Bangkok to Washington.

What documentation or ID do you need to fly to Washington?

The required travel and health documents for your Washington 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 Washington. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$432 Cheap Flights from Bangkok to Washington in 2026

1 adult

0 bags

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

Find the cheapest flights from Bangkok to Washington

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

1:05 am - 9:00 am

BKK

SEA

21h 55m

1 stop

11:00 am - 11:25 pm

SEA

BKK

22h 25m

1 stop

$636Hainan Airlines

Fri, Mar 13 - Sat, Mar 21

11:50 pm - 7:40 pm

BKK

SEA

33h 50m

1 stop

10:30 pm - 5:50 pm

SEA

BKK

29h 20m

1 stop

$637Philippine Airlines

Tue, Mar 17 - Sun, Mar 22

11:50 pm - 7:40 pm

BKK

SEA

33h 50m

1 stop

11:10 pm - 10:40 pm

SEA

BKK

33h 30m

1 stop

$638Philippine Airlines

Tue, Mar 17 - Tue, Apr 7

2:05 am - 2:55 pm

BKK

SEA

26h 50m

1 stop

12:10 am - 11:20 pm

SEA

BKK

33h 10m

1 stop

$647Multiple Airlines

Sat, Mar 14 - Sat, Mar 21

1:20 am - 2:55 pm

BKK

SEA

27h 35m

1 stop

12:55 am - 11:10 pm

SEA

BKK

32h 15m

1 stop

$657Asiana Airlines

Wed, Apr 15 - Tue, Jun 2

11:55 pm - 2:55 pm

BKK

SEA

29h 00m

1 stop

12:55 am - 11:15 am

SEA

BKK

20h 20m

1 stop

$658Asiana Airlines

Thu, Mar 19 - Sun, Apr 12

2:05 am - 2:55 pm

BKK

SEA

26h 50m

1 stop

12:10 am - 9:30 pm

SEA

BKK

31h 20m

1 stop

$659Multiple Airlines

Sat, Mar 14 - Sat, Mar 21

7:05 am - 10:30 pm

BKK

PDX

29h 25m

2 stops

3:25 pm - 5:05 am

PDX

BKK

23h 40m

1 stop

$863Air Canada

Wed, May 6 - Sat, Aug 15

7:05 am - 9:30 am

BKK

PDX

16h 25m

1 stop

10:10 am - 5:05 am

PDX

BKK

28h 55m

1 stop

$864Air Canada

Wed, May 6 - Sat, Aug 15

1:35 am - 1:47 pm

BKK

PDX

26h 12m

2 stops

7:00 am - 11:30 pm

PDX

BKK

26h 30m

2 stops

$907EVA Air

Mon, May 11 - Wed, Jun 3

Delta flights from Bangkok to State of Washington

Our best Delta deals on Bangkok to State of Washington flight tickets

Delta

Feb 7

BKK2:05 amBangkok Suvarnabhumi

33h 41m

2 stops

SEA8:46 pmSeattle/Tacoma Intl

Feb 13

SEA7:00 pmSeattle/Tacoma Intl

38h 45m

2 stops

BKK12:45 amBangkok Suvarnabhumi

$1,264

Delta

Feb 2

BKK12:55 amBangkok Suvarnabhumi

35h 47m

2 stops

SEA9:42 pmSeattle/Tacoma Intl

Feb 14

SEA11:00 amSeattle/Tacoma Intl

21h 20m

1 stop

BKK11:20 pmBangkok Suvarnabhumi

$3,890

Delta

Feb 4

BKK2:05 amBangkok Suvarnabhumi

34h 37m

2 stops

SEA9:42 pmSeattle/Tacoma Intl

Feb 16

SEA11:00 amSeattle/Tacoma Intl

21h 20m

1 stop

BKK11:20 pmBangkok Suvarnabhumi

$3,893

Philippine Airlines flights from Bangkok to State of Washington

Our best Philippine Airlines deals on Bangkok to State of Washington flight tickets

Philippine Airlines

Mar 17

BKK11:50 pmBangkok Suvarnabhumi

33h 50m

1 stop

SEA7:40 pmSeattle/Tacoma Intl

Mar 22

SEA10:30 pmSeattle/Tacoma Intl

29h 20m

1 stop

BKK5:50 pmBangkok Suvarnabhumi

$637

Philippine Airlines

Mar 17

BKK11:50 pmBangkok Suvarnabhumi

33h 50m

1 stop

SEA7:40 pmSeattle/Tacoma Intl

Apr 7

SEA11:10 pmSeattle/Tacoma Intl

33h 30m

1 stop

BKK10:40 pmBangkok Suvarnabhumi

$638

Philippine Airlines

Mar 18

BKK1:20 pmBangkok Suvarnabhumi

20h 20m

1 stop

SEA7:40 pmSeattle/Tacoma Intl

Apr 14

SEA11:10 pmSeattle/Tacoma Intl

23h 00m

1 stop

BKK12:10 pmBangkok Suvarnabhumi

$656

Fly from

Fly to

Route

Depart

Return

Price

BangkokSeattle

BKK - SEA

BKKSEA

Bangkok Suvarnabhumi

Fri 3/13

1:05 am-9:00 am

1 stop21h 55m

Seattle/Tacoma Intl

Sat 3/21

11:00 am-11:25 pm

1 stop22h 25m

$636

BangkokSeattle

BKK - SEA

BKKSEA

Bangkok Suvarnabhumi

Tue 3/17

11:50 pm-7:40 pm

1 stop33h 50m

Seattle/Tacoma Intl

Sun 3/22

10:30 pm-5:50 pm

1 stop29h 20m

$637

BangkokSeattle

BKK - SEA

BKKSEA

Bangkok Suvarnabhumi

Tue 3/17

11:50 pm-7:40 pm

1 stop33h 50m

Seattle/Tacoma Intl

Tue 4/7

11:10 pm-10:40 pm

1 stop33h 30m

$638

BangkokSeattle

BKK - SEA

BKKSEA

Bangkok Suvarnabhumi

Sat 3/14

2:05 am-2:55 pm

1 stop26h 50m

Seattle/Tacoma Intl

Sat 3/21

12:10 am-11:20 pm

1 stop33h 10m

$647

BangkokSeattle

BKK - SEA

BKKSEA

Bangkok Suvarnabhumi

Wed 4/15

1:20 am-2:55 pm

1 stop27h 35m

Seattle/Tacoma Intl

Tue 6/2

12:55 am-11:10 pm

1 stop32h 15m

$657

BangkokSeattle

BKK - SEA

BKKSEA

Bangkok Suvarnabhumi

Thu 3/19

11:55 pm-2:55 pm

1 stop29h 00m

Seattle/Tacoma Intl

Sun 4/12

12:55 am-11:15 am

1 stop20h 20m

$658

BangkokSeattle

BKK - SEA

BKKSEA

Bangkok Suvarnabhumi

Sat 3/14

2:05 am-2:55 pm

1 stop26h 50m

Seattle/Tacoma Intl

Sat 3/21

12:10 am-9:30 pm

1 stop31h 20m

$659

BangkokPortland

BKK - PDX

BKKPDX

Bangkok Suvarnabhumi

Wed 5/6

7:05 am-10:30 pm

2 stops29h 25m

Portland

Sat 8/15

3:25 pm-5:05 am

1 stop23h 40m

$863

BangkokPortland

BKK - PDX

BKKPDX

Bangkok Suvarnabhumi

Wed 5/6

7:05 am-9:30 am

1 stop16h 25m

Portland

Sat 8/15

10:10 am-5:05 am

1 stop28h 55m

$864

BangkokPortland

BKK - PDX

BKKPDX

Bangkok Suvarnabhumi

Mon 5/11

1:35 am-1:47 pm

2 stops26h 12m

Portland

Wed 6/3

7:00 am-11:30 pm

2 stops26h 30m

$907

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Bangkok to State of Washington

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

Prices

Airlines

What is the cheapest month to fly to State of Washington?

The month of December is, on average, the cheapest month to fly to State of Washington from Bangkok, with most prices found around $766. If you aren’t able to travel to State of Washington during the month of December, then flying in October is also cheap. Prices for this month can be found on momondo for an average of $815.

How far in advance should I book a flight to State of Washington?

You are more likely to see cheaper flights to State of Washington from Bangkok when booking weeks ahead of your departure date. In general, you can expect to find flights to State of Washington for around $892 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to State of Washington from Bangkok for as low as $779 on momondo.

Cheap Bangkok to State of Washington flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Bangkok to State of Washington

Fastest flight time	20h 20m
Direct flights	None

The fastest flight from Bangkok to State of Washington takes 20h 20m

There are no direct flights from Bangkok to State of Washington. There are no popular flight routes from Bangkok to State of Washington.

Search flight deals

When did momondo last update prices for flights from Bangkok to Washington?
Prices for flights from Bangkok to Washington were last updated today.
How many operators does momondo search for flights from Bangkok to Washington?
There are 8 operators available for flights from Bangkok to Washington as of January 2026.
How old do you have to be to fly from Bangkok to Washington?
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 Bangkok to Washington.
What documentation or ID do you need to fly to Washington?
The required travel and health documents for your Washington 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 Washington. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Best airlines flying from Bangkok to State of Washington

Compare and see reviews for airlines that fly from Bangkok to State of Washington with momondo

Airline	Rating	Free Cancellation	Price
Philippine Airlines	PriceFrom $624	Free Cancellation	Rating 7.3 957 reviews	Search Philippine Airlines flights
STARLUX Airlines	PriceFrom $705	Free Cancellation	Rating 8.9 268 reviews	Search STARLUX Airlines flights
EVA Air	PriceFrom $766	Free Cancellation	Rating 8.4 1,334 reviews	Search EVA Air flights
ANA	PriceFrom $768	Free Cancellation	Rating 8.4 1,078 reviews	Search ANA flights
China Airlines	PriceFrom $781	Free Cancellation	Rating 8.3 802 reviews	Search China Airlines flights
Korean Air	PriceFrom $814	Free Cancellation	Rating 8.4 1,188 reviews	Search Korean Air flights
Delta	PriceFrom $829	Free Cancellation	Rating 7.9 8,127 reviews	Search Delta flights
Asiana Airlines	PriceFrom $845	Free Cancellation	Rating 8.1 501 reviews	Search Asiana Airlines flights

Why use momondo?

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Bangkok to Washington. momondo saves you time and could save you money on your trip.

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

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

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

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 Washington from Bangkok.

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

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