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Find cheap flights from Washington to Thailand from $371

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Washington to Thailand departing on 8/3. 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
0 bags
Fri 6/21
Fri 6/28

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In the last 7 days travelers have searched 43,423,329 times on KAYAK, and here is why:

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Good to know

Low season

May

High season

January

Cheapest flight

$371
Best time to beat the crowds with an average 2% drop in price.
Most popular time to fly and prices are also 18% lower on average.
Flight from Seattle to Bangkok Don Mueang Intl

FAQs for booking flights from Washington to Thailand

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

    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 Thailand.

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

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

    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 Thailand 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 Thailand?

    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 Thailand from Washington up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

See more FAQs

Book cheap flights from Washington to Thailand

Recent round-trip flight deals

9/9Mon
2 stopsSingapore Airlines
38h 00mPDX-BKK
10/7Mon
2 stopsSingapore Airlines
30h 11mBKK-PDX
$973
10/2Wed
2 stopsSingapore Airlines
36h 34mPDX-HKT
10/9Wed
2 stopsSingapore Airlines
30h 11mHKT-PDX
$984
9/4Wed
2 stopsChina Eastern
29h 55mPDX-BKK
11/5Tue
2 stopsChina Eastern
28h 48mBKK-PDX
$998
11/6Wed
2 stopsANA
38h 40mPDX-BKK
11/13Wed
2 stopsANA
22h 56mBKK-PDX
$1,000
9/8Sun
2 stopsUnited Airlines
42h 55mPDX-BKK
9/19Thu
2 stopsUnited Airlines
29h 28mBKK-PDX
$1,008
10/7Mon
2 stopsJapan Airlines
42h 49mPDX-BKK
10/30Wed
2 stopsJapan Airlines
21h 52mBKK-PDX
$1,009
11/4Mon
2 stopsJapan Airlines
42h 45mPDX-BKK
11/20Wed
2 stopsJapan Airlines
19h 21mBKK-PDX
$1,010
10/29Tue
2 stopsANA
39h 40mPDX-BKK
11/10Sun
2 stopsANA
33h 31mBKK-PDX
$1,011
8/21Wed
2 stopsUnited Airlines
32h 35mPDX-BKK
9/16Mon
2 stopsUnited Airlines
21h 59mBKK-PDX
$1,016
11/3Sun
2 stopsChina Eastern
27h 55mPDX-BKK
11/19Tue
2 stopsChina Eastern
28h 48mBKK-PDX
$1,219

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Recent one-way flight deals

8/3Sat
3 stops
39h 31mSEA-DMK
$371
7/31Wed
3 stops
39h 31mSEA-DMK
$372
11/7Thu
2 stopsANA
38h 40mPDX-BKK
$552
9/24Tue
2 stopsAmerican Airlines
33h 50mPDX-BKK
$569
11/7Thu
2 stopsANA
38h 40mPDX-BKK
$570
8/6Tue
2 stopsUnited Airlines
25h 55mPDX-BKK
$571
9/24Tue
3 stopsUnited Airlines
41h 54mPDX-BKK
$589
8/3Sat
2 stopsKorean Air
33h 10mSEA-BKK
$622
7/30Tue
1 stopAmerican Airlines
19h 30mSEA-BKK
$637
6/27Thu
2 stopsKorean Air
26h 20mSEA-BKK
$1,046

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Last minute flights from Washington to Thailand

Last minute flight, train and bus deals

5/27Mon
multi-stopTurkish Airlines
30h 45mSEA-BKK
6/3Mon
multi-stopTurkish Airlines
31h 55mBKK-SEA
$1,198
5/25Sat
multi-stopTurkish Airlines
26h 10mSEA-BKK
6/4Tue
multi-stopTurkish Airlines
31h 40mBKK-SEA
$1,237
5/25Sat
multi-stop
31h 05mSEA-BKK
6/4Tue
multi-stop
47h 07mBKK-SEA
$1,293
5/23Thu
multi-stop
29h 24mSEA-BKK
5/30Thu
multi-stop
23h 31mBKK-SEA
$1,308
5/25Sat
multi-stopQatar Airways
28h 40mSEA-BKK
6/4Tue
multi-stopQatar Airways
30h 30mBKK-SEA
$1,535
5/23Thu
multi-stopCathay Pacific
37h 17mSEA-BKK
5/30Thu
multi-stopCathay Pacific
35h 15mBKK-SEA
$1,541
5/25Sat
multi-stopANA
21h 55mSEA-BKK
5/27Mon
multi-stopANA
30h 50mBKK-SEA
$1,623
5/27Mon
multi-stopQatar Airways
24h 35mSEA-BKK
6/3Mon
multi-stopQatar Airways
50h 01mBKK-SEA
$1,639
5/27Mon
multi-stopANA
25h 25mSEA-BKK
6/10Mon
multi-stopANA
21h 26mBKK-SEA
$1,736
5/24Fri
multi-stopCathay Pacific
33h 56mSEA-HKT
5/31Fri
multi-stopCathay Pacific
27h 45mHKT-SEA
$1,810

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Flights to Thailand

Return flight deals:

Thailand - Washington

Cabin classes: