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

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

What airlines fly to State of Washington?

Philippine Airlines, EVA Air and ANA are the top three most popular airlines that fly to State of Washington from Bangkok according to our data. Philippine Airlines is the first choice among our users, with 35% of people opting to fly with this airline when traveling to State of Washington. Keep in mind that there are 11 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 12 operators available for flights from Bangkok to Washington as of May 2025.

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.

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Find the cheapest flights from Bangkok to Washington

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One-way

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Cheap round-trip flights

These are some of the best round-trip flight deals from Bangkok to Washington that have been recently found on momondo from popular airlines, departing in the coming months.

11:20 pm - 7:15 pmBKK-SEA

33h 55m1 stop

11:35 pm - 10:25 pmSEA-BKK

32h 50m1 stop

$634Philippine Airlines

Find Deal

Tue, Sep 16 - Wed, Oct 8

1:30 pm - 7:15 pmBKK-SEA

19h 45m1 stop

11:35 pm - 12:15 pmSEA-BKK

22h 40m1 stop

$647Philippine Airlines

Find Deal

Sun, Sep 28 - Sun, Oct 12

1:30 pm - 7:15 pmBKK-SEA

19h 45m1 stop

11:35 pm - 5:40 pmSEA-BKK

28h 05m1 stop

$679Philippine Airlines

Find Deal

Wed, Oct 1 - Wed, Oct 15

3:10 pm - 7:30 pmBKK-SEA

18h 20m1 stop

1:30 am - 11:00 amSEA-BKK

19h 30m1 stop

$828EVA Air

Find Deal

Mon, Sep 29 - Sun, Oct 12

4:45 pm - 7:30 pmBKK-SEA

16h 45m1 stop

1:30 am - 11:00 amSEA-BKK

19h 30m1 stop

$830EVA Air

Find Deal

Sun, Sep 28 - Sat, Oct 11

9:35 am - 9:06 pmBKK-SEA

49h 31m3 stops

4:30 pm - 4:35 amSEA-BKK

22h 05m1 stop

$889United Airlines

Find Deal

Mon, Sep 29 - Mon, Oct 13

9:35 am - 2:25 pmBKK-SEA

18h 50m1 stop

4:30 pm - 4:35 amSEA-BKK

22h 05m1 stop

$998United Airlines

Find Deal

Tue, Sep 30 - Thu, Oct 16

9:35 am - 6:33 pmBKK-SEA

22h 58m2 stops

10:00 am - 6:00 amSEA-BKK

30h 00m2 stops

$1,046ANA

Find Deal

Wed, May 14 - Sat, May 31

9:35 am - 6:33 pmBKK-SEA

22h 58m2 stops

1:45 pm - 4:35 amSEA-BKK

24h 50m2 stops

$1,052ANA

Find Deal

Mon, Jun 2 - Tue, Jul 1

9:45 am - 10:30 pmBKK-PDX

26h 45m2 stops

1:44 am - 11:35 pmPDX-BKK

30h 51m2 stops

$1,840American Airlines

Find Deal

Tue, Jul 1 - Wed, Dec 31

EVA Air flights from Bangkok to State of Washington

Our best EVA Air deals on Bangkok to State of Washington flight tickets

EVA Air

Sep 29

BKK3:10 pmBangkok Suvarnabhumi

18h 20m

1 stop

SEA7:30 pmSeattle/Tacoma Intl

Oct 12

SEA1:30 amSeattle/Tacoma Intl

19h 30m

1 stop

BKK11:00 amBangkok Suvarnabhumi

$828

Find similar

EVA Air

Sep 28

BKK4:45 pmBangkok Suvarnabhumi

16h 45m

1 stop

SEA7:30 pmSeattle/Tacoma Intl

Oct 11

SEA1:30 amSeattle/Tacoma Intl

19h 30m

1 stop

BKK11:00 amBangkok Suvarnabhumi

$830

Find similar

EVA Air

Oct 16

BKK4:45 pmBangkok Suvarnabhumi

16h 05m

1 stop

SEA6:50 pmSeattle/Tacoma Intl

Nov 7

SEA12:10 amSeattle/Tacoma Intl

20h 00m

1 stop

BKK11:10 amBangkok Suvarnabhumi

$924

Find similar

United Airlines flights from Bangkok to State of Washington

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

United Airlines

Sep 29

BKK9:35 amBangkok Suvarnabhumi

49h 31m

3 stops

SEA9:06 pmSeattle/Tacoma Intl

Oct 13

SEA4:30 pmSeattle/Tacoma Intl

22h 05m

1 stop

BKK4:35 amBangkok Suvarnabhumi

$889

Find similar

United Airlines

Sep 30

BKK9:35 amBangkok Suvarnabhumi

18h 50m

1 stop

SEA2:25 pmSeattle/Tacoma Intl

Oct 16

SEA4:30 pmSeattle/Tacoma Intl

22h 05m

1 stop

BKK4:35 amBangkok Suvarnabhumi

$998

Find similar

United Airlines

May 30

BKK9:35 amBangkok Suvarnabhumi

18h 50m

1 stop

SEA2:25 pmSeattle/Tacoma Intl

Jun 24

SEA4:30 pmSeattle/Tacoma Intl

22h 05m

1 stop

BKK4:35 amBangkok Suvarnabhumi

$1,035

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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 November is, on average, the cheapest month to fly to State of Washington from Bangkok, with most prices found around $742. If you aren’t able to travel to State of Washington during the month of November, then flying in February is also cheap. Prices for this month can be found on momondo for an average of $837.

What is the cheapest day to depart on your flight to State of Washington?

The cheapest day to depart from Bangkok to State of Washington is on a Wednesday. Travelers who choose to depart for State of Washington on a Wednesday will often find tickets for as low as $960. When flying out on a Thursday, the most expensive travel day of the week, you can expect to see flight prices from Bangkok to State of Washington for around $1,014.

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

The cheapest time of day to fly to State of Washington is at noon when flights can be purchased for as low as $651. If you have a flexible travel schedule, then try to avoid flying in the afternoon when prices are $1,039 on average. Flights to State of Washington from Bangkok in the afternoon are generally more expensive because this time of day is more convenient for travelers’ schedules.

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 25 weeks ahead of your departure date. In general, you can expect to find flights to State of Washington for around $945 when searching 25 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 $753 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

Best Price Found	$391
Fastest flight time	16h 00m
Direct flights	None
Airports in State of Washington	1 airport

The best one-way flight to State of Washington from Bangkok in the past 72 hours is $391. The best round-trip flight deal from Bangkok to State of Washington found on momondo in the last 72 hours is $634.

The fastest flight from Bangkok to State of Washington takes 16h 00m

There are no direct flights from Bangkok to State of Washington. Popular non-direct routes for this connection are Bangkok Don Mueang Intl Airport - Seattle/Tacoma Intl Airport and Bangkok Suvarnabhumi Airport - Seattle/Tacoma Intl Airport.

There is 1 airport near State of Washington: Seattle/Tacoma Intl (SEA)

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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 12 operators available for flights from Bangkok to Washington as of May 2025.
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 $551	Free Cancellation	Rating 7.2 857 reviews	Search Philippine Airlines flights
Asiana Airlines	PriceFrom $649	Free Cancellation	Rating 8.2 442 reviews	Search Asiana Airlines flights
China Airlines	PriceFrom $793	Free Cancellation	Rating 8.3 732 reviews	Search China Airlines flights
STARLUX Airlines	PriceFrom $796	Free Cancellation	Rating 9.1 161 reviews	Search STARLUX Airlines flights
Korean Air	PriceFrom $803	Free Cancellation	Rating 8.4 1,069 reviews	Search Korean Air flights
Delta	PriceFrom $829	Free Cancellation	Rating 8.0 7,934 reviews	Search Delta flights
EVA Air	PriceFrom $831	Free Cancellation	Rating 8.4 1,186 reviews	Search EVA Air flights
United Airlines	PriceFrom $856	Free Cancellation	Rating 7.4 8,696 reviews	Search United Airlines flights
ANA	PriceFrom $867	Free Cancellation	Rating 8.3 852 reviews	Search ANA flights
Japan Airlines	PriceFrom $922	Free Cancellation	Rating 8.3 1,464 reviews	Search Japan 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.