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Cheap flights from Bangkok Don Mueang Intl Airport to Washington from $459

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Bangkok Don Mueang Intl Airport to Washington departing on 2/11. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from Bangkok Don Mueang Intl Airport to Washington

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
9:20 am - 7:30 pm
DMK
-
SEA
24h 10m2 stops
Multiple Airlines Logo
12:10 am - 10:10 pm
SEA
-
DMK
32h 00m2 stops
$1,009Multiple Airlines
Mon, Apr 20 - Sun, Aug 30
Multiple Airlines Logo
9:20 am - 6:40 pm
DMK
-
SEA
48h 20m2 stops
Multiple Airlines Logo
12:10 am - 3:30 pm
SEA
-
DMK
25h 20m1 stop
$1,036Multiple Airlines
Mon, Jan 26 - Fri, May 22
Multiple Airlines Logo
10:35 am - 6:10 pm
DMK
-
SEA
22h 35m2 stops
Multiple Airlines Logo
8:45 am - 11:30 pm
SEA
-
DMK
23h 45m2 stops
$1,127Multiple Airlines
Sun, Jan 18 - Tue, Feb 24
Multiple Airlines Logo
9:20 am - 6:10 pm
DMK
-
SEA
23h 50m2 stops
Multiple Airlines Logo
8:45 am - 11:00 pm
SEA
-
DMK
23h 15m1 stop
$1,162Multiple Airlines
Sun, Jan 18 - Tue, Feb 24
Multiple Airlines Logo
12:15 am - 1:55 pm
DMK
-
SEA
28h 40m2 stops
Multiple Airlines Logo
9:30 pm - 11:40 am
SEA
-
DMK
23h 10m1 stop
$1,169Multiple Airlines
Sat, Jan 17 - Wed, Feb 25
Multiple Airlines Logo
5:15 pm - 10:35 am
DMK
-
SEA
31h 20m2 stops
Multiple Airlines Logo
1:30 pm - 2:40 am
SEA
-
DMK
23h 10m1 stop
$1,180Multiple Airlines
Mon, Jun 1 - Sat, Aug 1
Multiple Airlines Logo
10:35 am - 6:10 pm
DMK
-
SEA
22h 35m2 stops
Multiple Airlines Logo
8:45 am - 10:10 pm
SEA
-
DMK
22h 25m1 stop
$1,265Multiple Airlines
Sun, Jan 18 - Tue, Feb 24
Multiple Airlines Logo
3:45 am - 1:45 pm
DMK
-
SEA
25h 00m1 stop
Multiple Airlines Logo
3:45 pm - 10:05 pm
SEA
-
DMK
39h 20m2 stops
$1,345Multiple Airlines
Sat, Dec 27 - Sat, Jan 3
Multiple Airlines Logo
2:35 am - 10:40 am
DMK
-
SEA
23h 05m1 stop
Multiple Airlines Logo
12:20 pm - 2:45 am
SEA
-
DMK
23h 25m1 stop
$1,357Multiple Airlines
Mon, Jan 12 - Tue, Jan 20
Multiple Airlines Logo
2:00 pm - 12:45 pm
DMK
-
SEA
36h 45m2 stops
Multiple Airlines Logo
4:25 pm - 11:50 am
SEA
-
DMK
29h 25m2 stops
$1,374Multiple Airlines
Wed, Apr 29 - Wed, Sep 9

momondo Fare Finder

 
Customize your flight search to find flights from Bangkok Don Mueang Intl Airport to State of Washington that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated December 15, 2025.
Use the filters below to find and compare flights from Bangkok Don Mueang Intl Airport to Washington that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

BangkokSeattle

DMK - SEA

DMKSEA

Bangkok Don Mueang Intl

Mon 4/20

9:20 am-7:30 pm

2 stops24h 10m

Seattle/Tacoma Intl

Sun 8/30

12:10 am-10:10 pm

2 stops32h 00m

$1,009

BangkokSeattle

DMK - SEA

DMKSEA

Bangkok Don Mueang Intl

Mon 1/26

9:20 am-6:40 pm

2 stops48h 20m

Seattle/Tacoma Intl

Fri 5/22

12:10 am-3:30 pm

1 stop25h 20m

$1,036

BangkokSeattle

DMK - SEA

DMKSEA

Bangkok Don Mueang Intl

Sun 1/18

10:35 am-6:10 pm

2 stops22h 35m

Seattle/Tacoma Intl

Tue 2/24

8:45 am-11:30 pm

2 stops23h 45m

$1,127

BangkokSeattle

DMK - SEA

DMKSEA

Bangkok Don Mueang Intl

Sun 1/18

9:20 am-6:10 pm

2 stops23h 50m

Seattle/Tacoma Intl

Tue 2/24

8:45 am-11:00 pm

1 stop23h 15m

$1,162

BangkokSeattle

DMK - SEA

DMKSEA

Bangkok Don Mueang Intl

Sat 1/17

12:15 am-1:55 pm

2 stops28h 40m

Seattle/Tacoma Intl

Wed 2/25

9:30 pm-11:40 am

1 stop23h 10m

$1,169

BangkokSeattle

DMK - SEA

DMKSEA

Bangkok Don Mueang Intl

Mon 6/1

5:15 pm-10:35 am

2 stops31h 20m

Seattle/Tacoma Intl

Sat 8/1

1:30 pm-2:40 am

1 stop23h 10m

$1,180

BangkokSeattle

DMK - SEA

DMKSEA

Bangkok Don Mueang Intl

Sun 1/18

10:35 am-6:10 pm

2 stops22h 35m

Seattle/Tacoma Intl

Tue 2/24

8:45 am-10:10 pm

1 stop22h 25m

$1,265

BangkokSeattle

DMK - SEA

DMKSEA

Bangkok Don Mueang Intl

Sat 12/27

3:45 am-1:45 pm

1 stop25h 00m

Seattle/Tacoma Intl

Sat 1/3

3:45 pm-10:05 pm

2 stops39h 20m

$1,345

BangkokSeattle

DMK - SEA

DMKSEA

Bangkok Don Mueang Intl

Mon 1/12

2:35 am-10:40 am

1 stop23h 05m

Seattle/Tacoma Intl

Tue 1/20

12:20 pm-2:45 am

1 stop23h 25m

$1,357

BangkokSeattle

DMK - SEA

DMKSEA

Bangkok Don Mueang Intl

Wed 4/29

2:00 pm-12:45 pm

2 stops36h 45m

Seattle/Tacoma Intl

Wed 9/9

4:25 pm-11:50 am

2 stops29h 25m

$1,374

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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Cheap Bangkok Don Mueang Intl Airport to State of Washington flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Bangkok Don Mueang Intl Airport to State of Washington

Fastest flight time

21h 30m

Direct flights

None
The fastest flight from Bangkok Don Mueang Intl Airport to State of Washington takes 21h 30m
There are no direct flights from Bangkok Don Mueang Intl Airport to State of Washington. There are no popular flight routes from Bangkok Don Mueang Intl Airport to State of Washington.
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  • When did momondo last update prices for flights from Bangkok Don Mueang Intl Airport to Washington?

    Prices for flights from Bangkok Don Mueang Intl Airport to Washington are updated daily.

  • How old do you have to be to fly from Bangkok Don Mueang Intl Airport to Washington?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Bangkok Don Mueang Intl Airport to Washington.

  • What documentation or ID do you need to fly to Washington?

    The travel and health documents you'll need for your trip to Washington may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Washington. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • How do I get Price Alerts for flights from Bangkok Don Mueang Intl Airport to State of Washington?

    Confirm your travel details to search for the latest offers for flights from Bangkok Don Mueang Intl Airport to State of Washington. While browsing offers there will be the option to toggle “Price Alerts”. You’ll then receive updates when prices for the flight route increase or decrease.

  • How can I save money on flights from Bangkok Don Mueang Intl Airport to State of Washington with momondo?

    Leverage our AI within our “Price Forecast” tool, which predicts if it’s better to book now or wait until prices decrease. You can strategically pick the best days to fly and save money on your trip by using our “Price Calendar” tool. “Explore” shows an overview of how much it costs to fly to anywhere from a selected city or airport. Our “Discover” content is a great option for travel inspiration and money-saving tips, while “Price Alerts” will update you when prices change, so you can book when fares are right.

  • How does momondo find its flight prices?

    We aggregate our prices from over 700+ competitors from airlines to OTAs. We operate in over 30 markets worldwide to show you a wide range of travel options.

Why use momondo?

Why should I use momondo to find a flight deal from Bangkok to Washington?

Finding the right flight to Washington from Bangkok is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Washington quick and easy, saving you time and money.

Can I find flights from Bangkok to Washington with flexible booking policies on momondo?

Yes. All flights to Washington from Bangkok on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from Bangkok to Washington?

Once all potential Bangkok to Washington flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from Bangkok to Washington right now. Can momondo alert me if prices change?

Price alerts on flights to Washington from Bangkok are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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