Find flights
When to book
FAQs & Tips
Deals

Find cheap flights from Washington to Thailand from $497

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 7/23. 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 7/5
Fri 7/12

Search hundreds of travel sites at once for deals on flights to Thailand

In the last 7 days travelers have searched 44,281,614 times on KAYAK, and here is why:

Save 21% or moreCompare multiple travel sites with one search.

Track pricesNot ready to book? Create a price alert for when prices drop.

Filter your dealsChoose cabin class, free Wi-Fi and more.

Bundle and saveSave money when you bundle your flight + hotel.

Good to know

Low season

May

High season

January

Cheapest flight

$497
Best time to beat the crowds but there is an average 2% increase in price.
Most popular time to fly and prices are also 17% 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

11/11Mon
1 stopTurkish Airlines
42h 40mSEA-BKK
11/19Tue
1 stopTurkish Airlines
25h 45mBKK-SEA
$565
10/6Sun
1 stopPhilippine Airlines
27h 30mSEA-BKK
10/16Wed
1 stopPhilippine Airlines
19h 45mBKK-SEA
$738
9/11Wed
1 stopEVA Air
32h 00mSEA-BKK
9/29Sun
1 stopEVA Air
16h 45mBKK-SEA
$754
9/11Wed
1 stopEVA Air
32h 00mSEA-BKK
9/28Sat
1 stopEVA Air
31h 55mBKK-SEA
$794
10/3Thu
1 stopAsiana Airlines
19h 25mSEA-CNX
10/23Wed
1 stopAsiana Airlines
26h 00mCNX-SEA
$832
9/4Wed
1 stopAsiana Airlines
20h 20mSEA-BKK
9/23Mon
1 stopAsiana Airlines
25h 35mBKK-SEA
$835
9/9Mon
1 stopChina Airlines
20h 30mSEA-BKK
10/7Mon
1 stopChina Airlines
30h 50mBKK-SEA
$842
9/16Mon
1 stopChina Airlines
18h 35mSEA-BKK
9/26Thu
1 stopChina Airlines
16h 00mBKK-SEA
$848
10/20Sun
1 stopSTARLUX Airlines
24h 55mSEA-BKK
11/13Wed
1 stopSTARLUX Airlines
15h 15mBKK-SEA
$850
9/8Sun
1 stopSTARLUX Airlines
24h 55mSEA-BKK
9/25Wed
1 stopSTARLUX Airlines
16h 40mBKK-SEA
$857

Search by stops

Search by airline

Search by price

Recent one-way flight deals

7/23Tue
3 stops
52h 25mSEA-DMK
$497
7/16Tue
2 stops
45h 50mPDX-BKK
$500
8/19Mon
1 stopChina Airlines
18h 40mSEA-CNX
$517
8/13Tue
1 stopEVA Air
19h 15mSEA-CNX
$538
8/17Sat
1 stopEVA Air
19h 25mSEA-BKK
$539
8/20Tue
2 stopsDelta
26h 13mSEA-BKK
$541
7/29Mon
1 stopAmerican Airlines
19h 30mSEA-BKK
$542
8/18Sun
2 stopsDelta
38h 36mSEA-BKK
$553
7/15Mon
2 stopsAmerican Airlines
32h 01mPDX-BKK
$571
8/12Mon
1 stopChina Airlines
18h 40mSEA-CNX
$572

Search by stops

Search by airline

Search by price

Last minute flights from Washington to Thailand

Last minute flight, train and bus deals

6/9Sun
multi-stopSingapore Airlines
19h 45mSEA-BKK
9/3Tue
multi-stopSingapore Airlines
32h 24mBKK-SEA
$1,470
6/10Mon
multi-stopUnited Airlines
51h 40mSEA-BKK
6/24Mon
multi-stopUnited Airlines
29h 15mBKK-SEA
$1,514
6/10Mon
multi-stop
32h 35mSEA-BKK
6/24Mon
multi-stop
22h 44mBKK-SEA
$1,518
6/8Sat
multi-stopAmerican Airlines
30h 15mSEA-BKK
6/10Mon
multi-stopAmerican Airlines
41h 59mBKK-SEA
$1,528
6/10Mon
multi-stopAmerican Airlines
30h 40mSEA-BKK
6/24Mon
multi-stopAmerican Airlines
52h 54mBKK-SEA
$1,530
6/10Mon
multi-stop
27h 10mSEA-BKK
6/23Sun
multi-stop
33h 40mBKK-SEA
$1,586
6/6Thu
multi-stopTurkish Airlines
30h 45mSEA-BKK
7/15Mon
multi-stopTurkish Airlines
31h 55mBKK-SEA
$1,659
6/8Sat
multi-stopTurkish Airlines
45h 25mSEA-BKK
6/24Mon
multi-stopTurkish Airlines
31h 55mBKK-SEA
$1,733
6/8Sat
multi-stopFinnair
21h 45mSEA-BKK
7/15Mon
multi-stopFinnair
50h 06mBKK-SEA
$1,886
6/7Fri
multi-stopFinnair
33h 23mSEA-BKK
7/15Mon
multi-stopFinnair
50h 06mBKK-SEA
$1,916

Search by stops

Search by airline

Search by price

Flights to Thailand

Return flight deals:

Thailand - Washington

Cabin classes: