How does KAYAK find such low prices on flights from Washington to Bangkok?

KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Washington to Bangkok. Visit our flight page for the latest deals!>/a>

How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Washington to Bangkok?

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Bangkok from Washington is likely to change within 7 days, so travelers know whether to wait or book now. Visit our flight page for the latest deals!>/a>

What is the Hacker Fare option on flights from Washington to Bangkok?

Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Bangkok with an airline and back to Washington with another airline. Visit our flight page for the latest deals!>/a>

What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Washington to Bangkok?

Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Bangkok from Washington up to 3 days before/after your preferred dates. You can then pick the flights that suit you best. Visit our flight page for the latest deals!>/a>

$344 CHEAP FLIGHTS from Washington to Bangkok

KAYAK searches hundreds of travel sites at once for deals on flights to Bangkok

...and more

Travelers love KAYAK

41.299.237 searches in the past 7 days on KAYAK

Save 23% or moreCompare multiple travel sites with one search.

Track pricesNot ready to book? Create a price alert for when prices drop.

Bundle and saveSave money when you bundle your flight + hotel.

Filter your dealsChoose cabin class, free Wi-Fi and more.

Cheapest round-trip

$651

Overall average: $828

Asiana Airlines

Sun 4/19Mon 5/11

SEA - BKK • 1 stop

Cheapest one-way

$344

Typical prices: $432-$574

Philippine Airlines

Thu 3/5

PDX - BKK • 2 stops

Start a new search

KAYAK searches 100s of sites at once to find you the best travel deals.

We hope you love your trip to Bangkok!

Flight Deals

Cheap Flights from Washington to Bangkok

Discover the best prices for you by selecting your travel dates on KAYAK.

Round-trip

One-way

Last minute

Recent round-trip flight deals from Washington to Bangkok

Sun, Apr 19 - Mon, May 11

12:55 am - 11:15 am

SEA

BKK

20h 20m

1 stop

1:20 am - 2:55 pm

BKK

SEA

27h 35m

1 stop

$651Asiana Airlines

Sun, Mar 8 - Wed, Mar 25

9:45 am - 8:00 pm

SEA

BKK

20h 15m

1 stop

5:00 pm - 8:10 am

BKK

SEA

29h 10m

1 stop

$653Singapore Airlines

Tue, Apr 14 - Tue, Apr 28

7:43 pm - 12:00 pm

GEG

BKK

26h 17m

2 stops

1:10 pm - 9:31 pm

BKK

GEG

22h 21m

2 stops

$775STARLUX Airlines

Wed, Apr 22 - Wed, Apr 29

7:28 pm - 4:40 pm

PUW

BKK

31h 12m

2 stops

5:50 pm - 11:59 pm

BKK

PUW

44h 09m

2 stops

$792Multiple Airlines

Mon, Apr 6 - Wed, Apr 29

7:43 pm - 4:40 pm

GEG

BKK

30h 57m

2 stops

1:10 pm - 11:11 pm

BKK

GEG

24h 01m

2 stops

$808STARLUX Airlines

Wed, Mar 4 - Wed, Mar 18

5:57 pm - 12:35 pm

GEG

BKK

27h 38m

2 stops

1:45 pm - 11:10 pm

BKK

GEG

23h 25m

2 stops

$817Multiple Airlines

Wed, Mar 4 - Fri, Mar 13

9:25 am - 12:45 am

GEG

BKK

24h 20m

2 stops

9:40 am - 12:02 am

BKK

GEG

28h 22m

2 stops

$834Delta

Tue, Mar 3 - Mon, Mar 16

7:27 am - 12:45 am

GEG

BKK

26h 18m

2 stops

2:05 am - 7:05 pm

BKK

GEG

31h 00m

2 stops

$840Delta

Sun, Mar 8 - Thu, Mar 12

5:25 am - 12:55 am

PSC

BKK

29h 30m

2 stops

9:40 am - 4:39 pm

BKK

PSC

44h 59m

2 stops

$845Korean Air

Thu, Mar 5 - Wed, Mar 18

7:27 am - 12:45 am

GEG

BKK

26h 18m

2 stops

2:05 am - 7:05 pm

BKK

GEG

31h 00m

2 stops

$845Korean Air

Useful Info

Cheapest flight	$344

Flight from Portland to Bangkok Suvarnabhumi Airport

How does KAYAK find such low prices on flights from Washington to Bangkok?
KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Washington to Bangkok.
How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Washington to Bangkok?
KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Bangkok from Washington is likely to change within 7 days, so travelers know whether to wait or book now.
What is the Hacker Fare option on flights from Washington to Bangkok?
Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Bangkok with an airline and back to Washington with another airline.
What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Washington to Bangkok?
Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Bangkok from Washington up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Everything you need to know for your flight to Bangkok

Cabin class

Complete your trip

Direct Flights

Flights to other cities

Origins

Other airports

Return flight deals

Cabin class types available on flights to Washington

First Class flights to Bangkok

Business Class flights to Bangkok

Premium Economy Class flights to Bangkok

Economy Class flights to Bangkok

$344 Find Cheap Flights from Washington to Bangkok

KAYAK searches hundreds of travel sites at once for deals on flights to Bangkok

Everything you should know

Cheap Flights from Washington to Bangkok

Recent round-trip flight deals from Washington to Bangkok

Recent one-way flight deals from Washington to Bangkok

Recent last minute flight deals from Washington to Bangkok

Good to know

FAQs for booking flights from Washington to Bangkok

How does KAYAK find such low prices on flights from Washington to Bangkok?

KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Washington to Bangkok.

How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Washington to Bangkok?

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Bangkok from Washington is likely to change within 7 days, so travelers know whether to wait or book now.

What is the Hacker Fare option on flights from Washington to Bangkok?

Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Bangkok with an airline and back to Washington with another airline.

What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Washington to Bangkok?

Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Bangkok from Washington up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Everything you need to know for your flight to Bangkok

Cabin class types available on flights to Washington

Complete your trip to Bangkok with a hotel stay or car rental

Find direct flights for Bangkok

Flights to other popular destinations

Flights from domestic origins to Bangkok

Choose which airport to fly into in Bangkok

Find deals for your return flight