$288 Find Cheap Flights from Washington to Thailand

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Useful Info

Good to know

Low seasonMay
High seasonJanuary
Cheapest flight$288
Best time to beat the crowds with an average 12% drop in price.
Most popular time to fly and prices are also 10% lower on average.
Flight from Seattle to Bangkok Suvarnabhumi Airport

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

  • What is the cheapest day to fly to Thailand?

    Based on KAYAK data, the cheapest day to fly to Thailand is Tuesday where round-trip tickets can be as cheap as $931. On the other hand, the most expensive day to fly is Friday, where round-trip prices are $1,111 on average.

  • What is the cheapest time of day to fly to Thailand?

    The cheapest time of day to fly to Thailand is generally in the morning, when round-trip flights cost $986 on average. Morning departures are around 6% cheaper than evening flights, on average. The most expensive time of day to fly to Thailand is generally in the afternoon, which is peak travel time and where the average cost of a ticket is $1,081.

  • What is the cheapest month to fly from Washington to Thailand?

    The cheapest month for flights from Washington to Thailand is February, when tickets cost $811 (return) on average. On the other hand, the most expensive months are December and June, when the average cost of round-trip tickets is $1,279 and $1,195 respectively.

  • How far in advance should I book a flight from Washington to Thailand?

    To get a below average price on the flight from Washington to Thailand, you should book around 4 weeks before departure. For the absolute cheapest price, our data suggests you should book 13 weeks before departure.

  • How long is the flight to Thailand?

    An average nonstop flight from Washington to Thailand takes 27h 34m, covering a distance of 7617 miles. The shortest route is Seattle (SEA) to Bangkok Suvarnabhumi Airport (BKK) with an average flight time of 18h 25m.

  • What are the most popular destinations in Thailand?

    Based on KAYAK flight searches, the most popular destination is Bangkok (93% of total searches to Thailand). The next most popular destinations are Chiang Mai (4%) and Phuket City (3%). Searches for flights to Ko Samui (0%) and to Krabi (0%) are also popular.

Book cheap flights from Washington to Thailand

Recent round-trip flight deals

9/12Fri
1 stopSingapore Airlines
34h 45mSEA-BKK
11/12Wed
1 stopSingapore Airlines
30h 30mBKK-SEA
$545
9/2Tue
1 stopSingapore Airlines
32h 00mSEA-BKK
10/3Fri
1 stopSingapore Airlines
26h 35mBKK-SEA
$572
11/5Wed
1 stopPhilippine Airlines
25h 50mSEA-BKK
11/19Wed
1 stopPhilippine Airlines
21h 05mBKK-SEA
$640
11/5Wed
1 stopPhilippine Airlines
25h 50mSEA-BKK
11/30Sun
1 stopPhilippine Airlines
21h 05mBKK-SEA
$658
10/21Tue
1 stopAsiana Airlines
18h 55mSEA-BKK
11/4Tue
1 stopAsiana Airlines
29h 00mBKK-SEA
$664
8/21Thu
1 stopAsiana Airlines
18h 40mSEA-BKK
9/1Mon
1 stopAsiana Airlines
25h 10mBKK-SEA
$665
10/20Mon
1 stopSTARLUX Airlines
25h 25mSEA-BKK
11/4Tue
1 stopSTARLUX Airlines
16h 20mBKK-SEA
$704
8/20Wed
1 stopSTARLUX Airlines
25h 25mSEA-BKK
9/2Tue
1 stopSTARLUX Airlines
17h 00mBKK-SEA
$706
10/21Tue
2 stopsKorean Air
26h 05mSEA-BKK
11/3Mon
1 stopKorean Air
23h 00mBKK-SEA
$723
8/18Mon
1 stopKorean Air
20h 05mSEA-BKK
9/2Tue
1 stopKorean Air
27h 00mBKK-SEA
$725

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Recent one-way flight deals

8/24Sun
1 stopSingapore Airlines
42h 45mSEA-BKK
$288
9/12Fri
1 stopSingapore Airlines
19h 45mSEA-BKK
$314
11/14Fri
1 stopAsiana Airlines
30h 55mSEA-BKK
$366
8/14Thu
1 stopAsiana Airlines
18h 40mSEA-BKK
$367
8/24Sun
2 stops
23h 35mSEA-DMK
$378
8/24Sun
2 stops
23h 25mSEA-BKK
$381
10/18Sat
1 stopSTARLUX Airlines
25h 25mSEA-BKK
$394
8/14Thu
2 stopsKorean Air
31h 30mSEA-BKK
$399
10/16Thu
1 stopKorean Air
18h 55mSEA-BKK
$408
9/11Thu
1 stopSTARLUX Airlines
20h 45mSEA-BKK
$413

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Last minute flights from Washington to Thailand

Last minute flight, train and bus deals

6/19Thu
multi-stopChina Eastern
30h 45mSEA-BKK
7/5Sat
multi-stopChina Eastern
25h 55mBKK-SEA
$1,004
6/19Thu
multi-stopChina Eastern
39h 10mSEA-BKK
7/5Sat
multi-stopChina Eastern
25h 55mBKK-SEA
$1,009
6/18Wed
multi-stop
35h 50mSEA-BKK
6/20Fri
multi-stop
19h 45mBKK-SEA
$1,057
6/19Thu
multi-stop
31h 40mSEA-BKK
6/21Sat
multi-stop
38h 35mBKK-SEA
$1,073
6/17Tue
multi-stopUnited Airlines
49h 10mPDX-BKK
6/24Tue
multi-stopUnited Airlines
49h 12mBKK-PDX
$1,145
6/20Fri
multi-stopANA
32h 40mSEA-BKK
7/18Fri
multi-stopANA
18h 50mBKK-SEA
$1,148
6/20Fri
multi-stopANA
32h 40mSEA-BKK
7/18Fri
multi-stopANA
23h 01mBKK-SEA
$1,151
6/18Wed
multi-stopUnited Airlines
32h 10mSEA-BKK
6/23Mon
multi-stopUnited Airlines
18h 50mBKK-SEA
$1,175
6/17Tue
multi-stopQatar Airways
30h 25mSEA-BKK
6/23Mon
multi-stopQatar Airways
24h 15mBKK-SEA
$1,276
6/17Tue
multi-stopQatar Airways
30h 25mSEA-BKK
6/20Fri
multi-stopQatar Airways
41h 40mBKK-SEA
$1,279

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Everything you need to know for your flight to Thailand

Cabin class types available on flights to Washington

Cabin classes available on flights to Washington. Prices are the lowest found on KAYAK over the last 7 days. Price and availability is not guaranteed.

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