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

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

What airlines fly to State of Washington?

Philippine Airlines, EVA Air and Delta 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 June 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.

$401 Cheap Flights from Bangkok to Washington in 2025

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Find the cheapest flights from Bangkok to Washington

Round-trip

One-way

Last minute

Cheap round-trip flights

2:35 am - 12:45 pmBKK-SEA

24h 10m1 stop

2:15 pm - 1:05 amSEA-BKK

20h 50m1 stop

$615

Find Deal

Fri, Aug 29 - Fri, Sep 5

1:30 pm - 7:15 pmBKK-SEA

19h 45m1 stop

11:35 pm - 12:15 pmSEA-BKK

22h 40m1 stop

$626Philippine Airlines

Find Deal

Wed, Aug 20 - Wed, Sep 10

2:40 am - 7:20 pmBKK-SEA

30h 40m1 stop

1:10 am - 12:10 pmSEA-BKK

21h 00m1 stop

$810China Airlines

Find Deal

Mon, Sep 15 - Tue, Oct 7

2:40 am - 7:20 pmBKK-SEA

30h 40m1 stop

1:10 am - 9:45 amSEA-BKK

18h 35m1 stop

$813China Airlines

Find Deal

Mon, Sep 15 - Tue, Oct 7

2:35 am - 1:30 pmBKK-SEA

24h 55m1 stop

11:15 am - 1:15 pmSEA-BKK

35h 00m1 stop

$836Delta

Find Deal

Tue, Oct 21 - Wed, Nov 5

1:35 am - 7:30 pmBKK-SEA

31h 55m1 stop

11:30 pm - 12:35 pmSEA-BKK

22h 05m1 stop

$837EVA Air

Find Deal

Wed, Oct 15 - Sat, Nov 8

1:20 am - 12:45 pmBKK-SEA

25h 25m1 stop

2:15 pm - 11:10 pmSEA-BKK

18h 55m1 stop

$848Asiana Airlines

Find Deal

Sun, Aug 17 - Thu, Sep 4

2:35 am - 11:51 pmBKK-PDX

35h 16m2 stops

5:30 am - 11:20 pmPDX-BKK

27h 50m2 stops

$868Delta

Find Deal

Thu, Oct 23 - Fri, Oct 31

1:20 am - 12:45 pmBKK-SEA

25h 25m1 stop

2:30 pm - 11:10 pmSEA-BKK

18h 40m1 stop

$917Asiana Airlines

Find Deal

Sun, Aug 3 - Mon, Aug 11

1:35 am - 7:30 pmBKK-SEA

31h 55m1 stop

8:00 am - 11:30 pmSEA-BKK

25h 30m2 stops

$947EVA Air

Find Deal

Mon, Sep 15 - Wed, Oct 8

Philippine Airlines flights from Bangkok to State of Washington

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

Philippine Airlines

Aug 20

BKK1:30 pmBangkok Suvarnabhumi

19h 45m

1 stop

SEA7:15 pmSeattle/Tacoma Intl

Sep 10

SEA11:35 pmSeattle/Tacoma Intl

22h 40m

1 stop

BKK12:15 pmBangkok Suvarnabhumi

$626

Find similar

Philippine Airlines

Sep 16

BKK6:40 pmBangkok Suvarnabhumi

38h 35m

1 stop

SEA7:15 pmSeattle/Tacoma Intl

Oct 8

SEA11:35 pmSeattle/Tacoma Intl

22h 40m

1 stop

BKK12:15 pmBangkok Suvarnabhumi

$652

Find similar

Philippine Airlines

Sep 16

BKK6:40 pmBangkok Suvarnabhumi

38h 35m

1 stop

SEA7:15 pmSeattle/Tacoma Intl

Oct 8

SEA11:35 pmSeattle/Tacoma Intl

22h 40m

1 stop

BKK12:15 pmBangkok Suvarnabhumi

$654

Find similar

EVA Air flights from Bangkok to State of Washington

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

EVA Air

Oct 15

BKK1:35 amBangkok Suvarnabhumi

31h 55m

1 stop

SEA7:30 pmSeattle/Tacoma Intl

Nov 8

SEA11:30 pmSeattle/Tacoma Intl

22h 05m

1 stop

BKK12:35 pmBangkok Suvarnabhumi

$837

Find similar

EVA Air

Sep 15

BKK1:35 amBangkok Suvarnabhumi

31h 55m

1 stop

SEA7:30 pmSeattle/Tacoma Intl

Oct 8

SEA8:00 amSeattle/Tacoma Intl

25h 30m

2 stops

BKK11:30 pmBangkok Suvarnabhumi

$947

Find similar

EVA Air

Jun 30

BKK11:10 amBangkok Suvarnabhumi

22h 20m

1 stop

SEA7:30 pmSeattle/Tacoma Intl

Dec 23

SEA11:30 pmSeattle/Tacoma Intl

20h 15m

1 stop

BKK10:45 amBangkok Suvarnabhumi

$979

Find similar

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 $814. 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 $843.

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 weeks ahead of your departure date. In general, you can expect to find flights to State of Washington for around $937 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 $738 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	$401
Fastest flight time	15h 41m
Direct flights	None
Airports in State of Washington	2 airports

The best one-way flight to State of Washington from Bangkok in the past 72 hours is $401. The best round-trip flight deal from Bangkok to State of Washington found on momondo in the last 72 hours is $615.

The fastest flight from Bangkok to State of Washington takes 15h 41m

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

There are 2 airports near State of Washington: Portland (PDX), Seattle/Tacoma Intl (SEA)

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 12 operators available for flights from Bangkok to Washington as of June 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 7.2 879 reviews	Search Philippine Airlines flights
Asiana Airlines	PriceFrom $649	Free Cancellation	Rating 8.1 449 reviews	Search Asiana Airlines flights
China Airlines	PriceFrom $793	Free Cancellation	Rating 8.3 745 reviews	Search China Airlines flights
STARLUX Airlines	PriceFrom $796	Free Cancellation	Rating 9.1 185 reviews	Search STARLUX Airlines flights
Korean Air	PriceFrom $814	Free Cancellation	Rating 8.4 1,096 reviews	Search Korean Air flights
Delta	PriceFrom $829	Free Cancellation	Rating 8.0 7,963 reviews	Search Delta flights
EVA Air	PriceFrom $831	Free Cancellation	Rating 8.4 1,208 reviews	Search EVA Air flights
United Airlines	PriceFrom $865	Free Cancellation	Rating 7.4 8,838 reviews	Search United Airlines flights
ANA	PriceFrom $899	Free Cancellation	Rating 8.3 887 reviews	Search ANA flights
Japan Airlines	PriceFrom $922	Free Cancellation	Rating 8.3 1,504 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.