$496 Find Cheap Flights from Bangkok to Washington - Compare and Save

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Bangkok to Washington departing on 9/18. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
1 adult, Economy, 0 bags

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Cheap Flights from Bangkok to Washington

Cheapest round-trip prices found by our users on KAYAK in the last 72 hours
Seattle
Seattle1 stop$759
Spokane
Spokane2 stops$995
Pasco
Pasco2 stops$1,106
Wenatchee
Wenatchee2 stops$1,226
Yakima
Yakima2 stops$1,101
Seattle
Seattle1 stop$759
Spokane
Spokane2 stops$995
Pasco
Pasco2 stops$1,106
Wenatchee
Wenatchee2 stops$1,226
Yakima
Yakima2 stops$1,101

Book Cheap Bangkok to Washington Plane Tickets

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Bangkok to Washington that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Bangkok to Washington

Sat, Sep 12 - Sun, Sep 20
Korean Air Logo
2:35 am - 10:40 am
BKK
-
SEA
22h 05m
1 stop
Korean Air Logo
12:50 pm - 9:45 pm
SEA
-
BKK
18h 55m
1 stop
$759Korean Air
Wed, Sep 9 - Fri, Sep 18
Korean Air Logo
2:35 am - 10:40 am
BKK
-
SEA
22h 05m
1 stop
Korean Air Logo
12:50 pm - 9:45 pm
SEA
-
BKK
18h 55m
1 stop
$761Korean Air
Thu, Sep 3 - Fri, Sep 11
Asiana Airlines Logo
1:35 am - 3:15 pm
BKK
-
SEA
27h 40m
1 stop
Asiana Airlines Logo
12:10 am - 10:40 am
SEA
-
BKK
20h 30m
1 stop
$764Asiana Airlines
Thu, Oct 22 - Thu, Nov 5
Asiana Airlines Logo
11:45 am - 3:15 pm
BKK
-
SEA
17h 30m
1 stop
Asiana Airlines Logo
12:10 am - 11:15 am
SEA
-
BKK
20h 05m
1 stop
$773Asiana Airlines
Sat, Oct 3 - Mon, Oct 19
Delta Logo
11:30 pm - 1:14 pm
BKK
-
SEA
27h 44m
1 stop
Delta Logo
1:00 pm - 1:05 am
SEA
-
BKK
22h 05m
1 stop
$773Delta
Fri, Sep 25 - Mon, Oct 19
Delta Logo
11:30 pm - 1:37 pm
BKK
-
SEA
28h 07m
1 stop
Delta Logo
1:00 pm - 1:05 am
SEA
-
BKK
22h 05m
1 stop
$773Delta
Sat, Sep 26 - Mon, Oct 19
China Airlines Logo
2:40 am - 7:15 pm
BKK
-
SEA
30h 35m
1 stop
China Airlines Logo
1:15 am - 9:45 am
SEA
-
BKK
18h 30m
1 stop
$793China Airlines
Mon, Sep 21 - Tue, Oct 20
China Airlines Logo
1:20 pm - 7:15 pm
BKK
-
SEA
19h 55m
1 stop
China Airlines Logo
1:15 am - 12:10 pm
SEA
-
BKK
20h 55m
1 stop
$793China Airlines
Wed, Sep 23 - Sat, Oct 17
STARLUX Airlines Logo
1:10 pm - 4:10 pm
BKK
-
SEA
17h 00m
1 stop
STARLUX Airlines Logo
1:15 am - 12:00 pm
SEA
-
BKK
20h 45m
1 stop
$808STARLUX Airlines
Tue, Aug 25 - Mon, Aug 31
STARLUX Airlines Logo
5:50 pm - 4:35 pm
BKK
-
SEA
36h 45m
1 stop
STARLUX Airlines Logo
1:15 am - 12:00 pm
SEA
-
BKK
20h 45m
1 stop
$814STARLUX Airlines
Booking Insights

KAYAK's insights & trends for Bangkok to Washington flights

Get data-powered insights and trends into flights from Bangkok to Washington to help you find the cheapest flights, the best time to fly and much more.

How much is a round-trip flight from Bangkok Suvarnabhumi Airport to State of Washington?

This analysis is based on the cheapest round-trip price found on KAYAK in the last 12 months by searching for a flight from Bangkok Suvarnabhumi Airport to State of Washington departing in September.

Flight prices are below average for this route right now.

Flights to State of Washington from Bangkok Suvarnabhumi Airport usually cost between $871 and $1,040 in September.
The lowest price found in the past 5 days was $759 on Korean Air (Sep 12-Sep 20).

What is the cheapest month to fly from Bangkok Suvarnabhumi Airport to Washington?

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for round-trip flights from Bangkok Suvarnabhumi Airport to Washington, removes the top 0.1% to account for outliers, and then takes the median of all values for each month.

The cheapest month for flights from Bangkok Suvarnabhumi Airport to Washington is March, when tickets cost $742 (return) on average. On the other hand, the most expensive months are August and July, when the average cost of round-trip tickets is $1,005 and $915 respectively.

How far in advance should I book a flight from Bangkok Suvarnabhumi Airport to Washington?

To calculate weekly average prices, KAYAK takes all prices for each week before departure over the last year for round-trip flights from Bangkok Suvarnabhumi Airport to Washington, removes the top 0.1% to account for outliers, and then takes the average of all the values for each week.

To get a below average price on the flight from Bangkok Suvarnabhumi Airport to Washington, you should book around 3 weeks before departure, which saves you about 29% compared to booking last minute. For the absolute cheapest price, our data suggests you should book 16 weeks before departure.

Find deals

Good to know

Low season

May

Cheapest flight

$496
Best time to beat the crowds but there is an average 3% increase in price.
Most popular time to fly with an average 2% increase in price.
Flight from Bangkok to Seattle

FAQs - booking Washington flights

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

    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 Bangkok to Washington.

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

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight from Bangkok to 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 Bangkok to Washington?

    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 from Bangkok to Washington with an airline and back with another airline.

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

    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 from Bangkok to 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 from Bangkok to Washington

Information on your arrival and departure airports

Bangkok (BKK)