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Find cheap flights from Washington to Thailand from $543

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 11/12. 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
sáb 6/22
sáb 6/29

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In the last 7 days travelers have searched 43,800,826 times on KAYAK, and here is why:

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Good to know

Low season

May

High season

January

Cheapest flight

$543
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 Phuket City

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

8/27ter
1 stopSingapore Airlines
19h 05mSEA-HKT
9/24ter
2 stopsSingapore Airlines
31h 10mHKT-SEA
$949
8/27ter
1 stopSingapore Airlines
40h 55mSEA-HKT
9/24ter
1 stopSingapore Airlines
61h 30mHKT-SEA
$961
9/3ter
2 stopsChina Eastern
29h 55mPDX-BKK
11/19ter
2 stopsChina Eastern
28h 48mBKK-PDX
$997
10/29ter
2 stopsANA
39h 40mPDX-BKK
11/12ter
2 stopsANA
25h 11mBKK-PDX
$1,009
10/29ter
2 stopsANA
39h 40mPDX-BKK
11/10dom
2 stopsANA
33h 31mBKK-PDX
$1,011
10/1ter
2 stops
22h 55mPDX-BKK
10/22ter
2 stops
19h 18mBKK-PDX
$1,012
8/26seg
2 stopsEVA Air
29h 00mSEA-HKT
9/24ter
2 stopsEVA Air
23h 10mHKT-SEA
$1,014
8/8qui
1 stopEVA Air
20h 55mSEA-BKK
8/17sáb
1 stopEVA Air
22h 40mBKK-SEA
$1,023
10/1ter
2 stops
24h 55mPDX-BKK
11/21qui
2 stops
22h 47mBKK-PDX
$1,024
11/3dom
2 stopsChina Eastern
27h 55mPDX-BKK
11/19ter
2 stopsChina Eastern
28h 48mBKK-PDX
$1,219

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Recent one-way flight deals

11/12ter
1 stopSingapore Airlines
19h 35mSEA-HKT
$543
8/6ter
3 stops
36h 35mPDX-BKK
$545
9/24ter
2 stopsAmerican Airlines
33h 50mPDX-BKK
$569
10/8ter
2 stopsANA
28h 15mPDX-BKK
$570
8/6ter
2 stopsUnited Airlines
25h 55mPDX-BKK
$571
11/11seg
2 stopsEVA Air
27h 50mSEA-HKT
$580
10/8ter
3 stopsUnited Airlines
41h 56mPDX-BKK
$589
7/9ter
1 stopEVA Air
21h 55mSEA-BKK
$607
11/8sex
2 stopsAmerican Airlines
36h 19mPDX-BKK
$609
7/3qua
2 stopsANA
31h 08mSEA-BKK
$2,609

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Last minute flights from Washington to Thailand

Last minute flight, train and bus deals

5/25sáb
multi-stopTurkish Airlines
26h 10mSEA-BKK
6/4ter
multi-stopTurkish Airlines
31h 40mBKK-SEA
$1,237
5/28ter
multi-stopTurkish Airlines
45h 25mSEA-BKK
6/4ter
multi-stopTurkish Airlines
31h 40mBKK-SEA
$1,240
5/28ter
multi-stop
33h 20mSEA-BKK
6/4ter
multi-stop
47h 22mBKK-SEA
$1,247
5/25sáb
multi-stop
31h 05mSEA-BKK
6/4ter
multi-stop
47h 07mBKK-SEA
$1,293
5/28ter
multi-stopCathay Pacific
33h 55mPDX-BKK
6/3seg
multi-stopCathay Pacific
30h 04mBKK-PDX
$1,471
5/25sáb
multi-stopQatar Airways
28h 40mSEA-BKK
6/4ter
multi-stopQatar Airways
30h 30mBKK-SEA
$1,535
5/24sex
multi-stopCathay Pacific
40h 25mPDX-BKK
5/31sex
multi-stopCathay Pacific
39h 38mBKK-PDX
$1,558
5/28ter
multi-stopQatar Airways
28h 25mPDX-BKK
6/2dom
multi-stopQatar Airways
27h 16mBKK-PDX
$1,561
5/26dom
multi-stopUnited Airlines
46h 13mSEA-BKK
6/10seg
multi-stopUnited Airlines
42h 30mBKK-SEA
$1,617
5/26dom
multi-stopUnited Airlines
51h 40mSEA-BKK
6/10seg
multi-stopUnited Airlines
42h 30mBKK-SEA
$1,628

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Flights to Thailand

Return flight deals:

Thailand - Washington

Cabin classes: