BKK

$398 Find Cheap Flights from Washington to Bangkok - 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 to Bangkok departing on 9/6. 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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Flight Deals

Cheap Flights from Washington to Bangkok

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Washington to Bangkok 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 Washington to Bangkok

Tue, Nov 3 - Tue, Nov 17
Singapore Airlines Logo
8:45 am - 5:00 pmSEA  Seattle/Tacoma Intl-BKK Bangkok Suvarnabhumi
41h 15m1 stop Singapore Changi
Singapore Airlines Logo
9:40 am - 7:10 amBKK  Bangkok Suvarnabhumi-SEA Seattle/Tacoma Intl
36h 30m1 stop Singapore Changi
$661Singapore Airlines
Thu, Oct 22 - Fri, Oct 30
Singapore Airlines Logo
10:15 am - 5:15 pmSEA  Seattle/Tacoma Intl-BKK Bangkok Suvarnabhumi
41h 00m1 stop Singapore Changi
Singapore Airlines Logo
9:40 am - 8:10 amBKK  Bangkok Suvarnabhumi-SEA Seattle/Tacoma Intl
36h 30m1 stop Singapore Changi
$663Singapore Airlines
Mon, Sep 7 - Mon, Sep 21
Air Canada Logo
3:00 pm - 5:05 amSEA  Seattle/Tacoma Intl-BKK Bangkok Suvarnabhumi
24h 05m1 stop Vancouver Intl
Air Canada Logo
7:05 am - 2:22 pmBKK  Bangkok Suvarnabhumi-SEA Seattle/Tacoma Intl
21h 17m1 stop Vancouver Intl
$741Air Canada
Thu, Nov 5 - Sun, Nov 22
Asiana Airlines Logo
12:10 am - 11:15 amSEA  Seattle/Tacoma Intl-BKK Bangkok Suvarnabhumi
20h 05m1 stop Incheon Intl
Asiana Airlines Logo
12:20 pm - 1:55 pmBKK  Bangkok Suvarnabhumi-SEA Seattle/Tacoma Intl
16h 35m1 stop Incheon Intl
$752Asiana Airlines
Mon, Sep 7 - Wed, Sep 30
Air Canada Logo
10:40 am - 5:05 amSEA  Seattle/Tacoma Intl-BKK Bangkok Suvarnabhumi
28h 25m1 stop Vancouver Intl
Air Canada Logo
7:05 am - 6:32 pmBKK  Bangkok Suvarnabhumi-SEA Seattle/Tacoma Intl
25h 27m1 stop Vancouver Intl
$753Air Canada
Mon, Sep 7 - Mon, Sep 21
Multiple Airlines Logo
10:40 am - 5:05 amSEA  Seattle/Tacoma Intl-BKK Bangkok Suvarnabhumi
28h 25m1 stop Vancouver Intl
Multiple Airlines Logo
3:45 pm - 2:22 pmBKK  Bangkok Suvarnabhumi-SEA Seattle/Tacoma Intl
36h 37m2 stops Hong Kong Intl Vancouver Intl
$775Multiple Airlines
Sun, Sep 13 - Sun, Sep 20
Asiana Airlines Logo
12:10 am - 10:40 amSEA  Seattle/Tacoma Intl-BKK Bangkok Suvarnabhumi
20h 30m1 stop Incheon Intl
Asiana Airlines Logo
1:35 am - 3:15 pmBKK  Bangkok Suvarnabhumi-SEA Seattle/Tacoma Intl
27h 40m1 stop Incheon Intl
$776Asiana Airlines
Wed, Sep 2 - Wed, Sep 23
Multiple Airlines Logo
10:30 am - 11:00 pmSEA  Seattle/Tacoma Intl-BKK Bangkok Suvarnabhumi
22h 30m2 stops Calgary Tokyo Narita
Multiple Airlines Logo
11:45 am - 12:23 pmBKK  Bangkok Suvarnabhumi-SEA Seattle/Tacoma Intl
38h 38m2 stops Incheon Intl San Francisco
$777Multiple Airlines
Sat, Sep 5 - Fri, Sep 11
Hainan Airlines Logo
11:00 am - 12:20 pmSEA  Seattle/Tacoma Intl-BKK Bangkok Suvarnabhumi
35h 20m1 stop Beijing Capital
Hainan Airlines Logo
12:25 am - 9:00 amBKK  Bangkok Suvarnabhumi-SEA Seattle/Tacoma Intl
22h 35m1 stop Beijing Capital
$810Hainan Airlines
Tue, Sep 1 - Fri, Sep 11
Hainan Airlines Logo
11:00 am - 11:00 pmSEA  Seattle/Tacoma Intl-BKK Bangkok Suvarnabhumi
22h 00m1 stop Beijing Capital
Hainan Airlines Logo
1:50 pm - 9:00 amBKK  Bangkok Suvarnabhumi-SEA Seattle/Tacoma Intl
33h 10m1 stop Beijing Capital
$810Hainan Airlines
Useful Info

Good to know

Low season

May

Cheapest flight

$398
Best time to beat the crowds but there is an average 8% increase in price.
Most popular time to fly and prices are also 9% lower on average.
Flight from Seattle to Bangkok

FAQs for booking Washington to Bangkok flights

  • 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

Information on your arrival and departure airports

Bangkok (BKK)