$335 Find Cheap Flights from Washington to Thailand

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Useful Info
Useful Info

Good to know

Low seasonJune
High seasonJanuary
Cheapest flight$335
Best time to beat the crowds but there is an average 36% increase in price.
Most popular time to fly and prices are also 13% 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 $820 (return) on average. On the other hand, the most expensive months are December and June, when the average cost of round-trip tickets is $1,335 and $1,293 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 13m, covering a distance of 7617 miles. The shortest route is Seattle (SEA) to Bangkok Suvarnabhumi Airport (BKK) with an average flight time of 18h 40m.

  • What are the most popular destinations in Thailand?

    Based on KAYAK flight searches, the most popular destination is Bangkok (86% of total searches to Thailand). The next most popular destinations are Chiang Mai (7%) and Phuket City (4%). Searches for flights to Ko Samui (1%) and to Krabi (1%) are also popular.

Book cheap flights from Washington to Thailand

Recent round-trip flight deals

9/12Fri
1 stopSingapore Airlines
38h 05mSEA-BKK
11/12Wed
1 stopSingapore Airlines
25h 00mBKK-SEA
$595
9/11Thu
1 stopSingapore Airlines
19h 45mSEA-BKK
10/10Fri
1 stopSingapore Airlines
25h 30mBKK-SEA
$615
9/14Sun
1 stopPhilippine Airlines
22h 40mSEA-BKK
9/28Sun
1 stopPhilippine Airlines
19h 45mBKK-SEA
$686
9/17Wed
1 stopPhilippine Airlines
22h 40mSEA-BKK
9/24Wed
1 stopPhilippine Airlines
19h 45mBKK-SEA
$688
9/13Sat
1 stopSTARLUX Airlines
20h 45mSEA-BKK
9/28Sun
1 stopSTARLUX Airlines
17h 00mBKK-SEA
$700
9/14Sun
1 stopAsiana Airlines
18h 55mSEA-BKK
9/27Sat
1 stopAsiana Airlines
25h 10mBKK-SEA
$716
9/1Mon
1 stopAsiana Airlines
30h 40mSEA-BKK
9/14Sun
1 stopAsiana Airlines
25h 10mBKK-SEA
$726
8/31Sun
1 stopSTARLUX Airlines
20h 45mSEA-BKK
9/22Mon
1 stopSTARLUX Airlines
17h 00mBKK-SEA
$739
5/12Mon
2 stopsChina Eastern
28h 25mSEA-BKK
5/18Sun
2 stopsChina Eastern
32h 50mBKK-SEA
$749
5/11Sun
2 stopsChina Eastern
28h 35mSEA-BKK
5/18Sun
2 stopsChina Eastern
32h 50mBKK-SEA
$796

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Recent one-way flight deals

8/17Sun
1 stopSingapore Airlines
41h 10mSEA-BKK
$335
8/19Tue
1 stopSingapore Airlines
38h 05mSEA-BKK
$345
8/18Mon
1 stopKorean Air
21h 45mSEA-BKK
$408
8/18Mon
1 stopChina Airlines
20h 30mSEA-BKK
$414
8/5Tue
1 stopSTARLUX Airlines
25h 25mSEA-BKK
$415
9/1Mon
1 stopSTARLUX Airlines
20h 45mSEA-BKK
$416
5/6Tue
1 stopAsiana Airlines
18h 55mSEA-BKK
$423
8/27Wed
2 stopsKorean Air
29h 16mSEA-BKK
$426
8/6Wed
1 stopAsiana Airlines
18h 40mSEA-BKK
$428
9/1Mon
1 stopChina Airlines
18h 40mSEA-CNX
$472

Search by stops

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Last minute flights from Washington to Thailand

Last minute flight, train and bus deals

5/4Sun
multi-stopPhilippine Airlines
22h 40mSEA-BKK
5/17Sat
multi-stopPhilippine Airlines
38h 35mBKK-SEA
$697
5/4Sun
multi-stopPhilippine Airlines
32h 50mSEA-BKK
5/17Sat
multi-stopPhilippine Airlines
33h 55mBKK-SEA
$699
5/6Tue
multi-stopAsiana Airlines
18h 55mSEA-BKK
6/2Mon
multi-stopAsiana Airlines
25h 10mBKK-SEA
$726
5/5Mon
multi-stopAsiana Airlines
18h 55mSEA-BKK
5/8Thu
multi-stopAsiana Airlines
25h 10mBKK-SEA
$774
5/6Tue
multi-stopKorean Air
40h 25mSEA-BKK
6/2Mon
multi-stopKorean Air
22h 15mBKK-SEA
$779
5/6Tue
multi-stopKorean Air
40h 25mSEA-BKK
6/3Tue
multi-stopKorean Air
27h 27mBKK-SEA
$790
5/4Sun
multi-stopSTARLUX Airlines
25h 25mSEA-BKK
5/11Sun
multi-stopSTARLUX Airlines
36h 20mBKK-SEA
$798
5/6Tue
multi-stopUnited Airlines
22h 05mSEA-BKK
6/3Tue
multi-stopUnited Airlines
18h 50mBKK-SEA
$813
5/6Tue
multi-stopSTARLUX Airlines
25h 25mSEA-BKK
6/6Fri
multi-stopSTARLUX Airlines
36h 20mBKK-SEA
$820
5/6Tue
multi-stopUnited Airlines
32h 20mSEA-BKK
6/3Tue
multi-stopUnited Airlines
28h 11mBKK-SEA
$831

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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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