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Cheap flights from Bangkok Suvarnabhumi Airport to Washington from $409

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 Suvarnabhumi Airport to Washington departing on 11/18. 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 Suvarnabhumi Airport to Washington

Cheap round-trip flights

Enter your travel dates to find the best prices.
Philippine Airlines Logo
1:20 pm - 6:40 pmBKK-SEA
20h 20m1 stop
Philippine Airlines Logo
10:30 pm - 5:50 pmSEA-BKK
29h 20m1 stop
$651Philippine Airlines
Find Deal
Tue, Mar 3 - Tue, Mar 24
Philippine Airlines Logo
1:20 pm - 7:40 pmBKK-SEA
20h 20m1 stop
Philippine Airlines Logo
11:55 pm - 9:50 pmSEA-BKK
31h 55m1 stop
$653Philippine Airlines
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Tue, Mar 24 - Wed, Apr 15
EVA Air Logo
5:15 pm - 7:10 pmBKK-SEA
15h 55m1 stop
EVA Air Logo
12:30 am - 10:25 amSEA-BKK
19h 55m1 stop
$770EVA Air
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Thu, Mar 26 - Tue, Apr 14
EVA Air Logo
2:15 am - 7:10 pmBKK-SEA
30h 55m1 stop
EVA Air Logo
1:30 am - 10:25 amSEA-BKK
18h 55m1 stop
$771EVA Air
Find Deal
Sun, Mar 22 - Tue, Apr 14
China Airlines Logo
2:35 am - 6:10 pmBKK-SEA
30h 35m1 stop
China Airlines Logo
1:10 am - 1:05 pmSEA-BKK
21h 55m1 stop
$779China Airlines
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Mon, Feb 9 - Mon, Mar 9
China Airlines Logo
2:40 am - 7:30 pmBKK-SEA
30h 50m1 stop
China Airlines Logo
1:10 am - 1:25 amSEA-BKK
34h 15m1 stop
$780China Airlines
Find Deal
Sat, Apr 4 - Sat, Apr 11
Korean Air Logo
12:55 am - 9:00 amBKK-SEA
23h 05m1 stop
Korean Air Logo
11:00 am - 12:55 amSEA-BKK
22h 55m1 stop
$810Korean Air
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Tue, Mar 3 - Wed, Mar 4
Korean Air Logo
12:55 am - 1:13 pmBKK-PDX
27h 18m2 stops
Korean Air Logo
7:10 am - 9:30 pmPDX-BKK
23h 20m2 stops
$846Korean Air
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Tue, Dec 16 - Thu, Jan 15
Delta Logo
2:05 am - 7:11 pmBKK-PDX
31h 06m2 stops
Delta Logo
7:10 am - 9:45 pmPDX-BKK
24h 35m2 stops
$862Delta
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Sun, Mar 22 - Wed, Apr 15
Delta Logo
9:40 am - 7:11 pmBKK-PDX
23h 31m2 stops
Delta Logo
5:45 pm - 9:45 pmPDX-BKK
38h 00m2 stops
$868Delta
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Wed, Mar 25 - Fri, Apr 17

China Airlines flights from Bangkok Suvarnabhumi Airport to State of Washington

Our best China Airlines deals on Bangkok Suvarnabhumi Airport to State of Washington flight tickets
China Airlines
Feb 9
BKK2:35 amBangkok Suvarnabhumi
30h 35m
1 stop
SEA6:10 pmSeattle/Tacoma Intl
Mar 9
SEA1:10 amSeattle/Tacoma Intl
21h 55m
1 stop
BKK1:05 pmBangkok Suvarnabhumi
$779
Find similar
China Airlines
Apr 4
BKK2:40 amBangkok Suvarnabhumi
30h 50m
1 stop
SEA7:30 pmSeattle/Tacoma Intl
Apr 11
SEA1:10 amSeattle/Tacoma Intl
34h 15m
1 stop
BKK1:25 amBangkok Suvarnabhumi
$780
Find similar
China Airlines
Apr 9
BKK5:30 pmBangkok Suvarnabhumi
16h 00m
1 stop
SEA7:30 pmSeattle/Tacoma Intl
Apr 19
SEA1:10 amSeattle/Tacoma Intl
18h 35m
1 stop
BKK9:45 amBangkok Suvarnabhumi
$791
Find similar

Korean Air flights from Bangkok Suvarnabhumi Airport to State of Washington

Our best Korean Air deals on Bangkok Suvarnabhumi Airport to State of Washington flight tickets
Korean Air
Mar 3
BKK12:55 amBangkok Suvarnabhumi
23h 05m
1 stop
SEA9:00 amSeattle/Tacoma Intl
Mar 4
SEA11:00 amSeattle/Tacoma Intl
22h 55m
1 stop
BKK12:55 amBangkok Suvarnabhumi
$810
Find similar
Korean Air
Dec 16
BKK12:55 amBangkok Suvarnabhumi
27h 18m
2 stops
PDX1:13 pmPortland
Jan 15
PDX7:10 amPortland
23h 20m
2 stops
BKK9:30 pmBangkok Suvarnabhumi
$846
Find similar
Korean Air
Nov 12
BKK12:55 amBangkok Suvarnabhumi
27h 23m
2 stops
PDX1:18 pmPortland
Nov 18
PDX7:15 amPortland
25h 05m
2 stops
BKK11:20 pmBangkok Suvarnabhumi
$862
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momondo Fare Finder

 
Customize your flight search to find flights from Bangkok Suvarnabhumi 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 November 4, 2025.
Use the filters below to find and compare flights from Bangkok Suvarnabhumi Airport to Washington that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

BangkokSeattle

BKK - SEA

BKKSEA

Bangkok Suvarnabhumi

Tue 3/3

1:20 pm-6:40 pm

1 stop20h 20m

Seattle/Tacoma Intl

Tue 3/24

10:30 pm-5:50 pm

1 stop29h 20m

$651

BangkokSeattle

BKK - SEA

BKKSEA

Bangkok Suvarnabhumi

Tue 3/24

1:20 pm-7:40 pm

1 stop20h 20m

Seattle/Tacoma Intl

Wed 4/15

11:55 pm-9:50 pm

1 stop31h 55m

$653

BangkokSeattle

BKK - SEA

BKKSEA

Bangkok Suvarnabhumi

Thu 3/26

5:15 pm-7:10 pm

1 stop15h 55m

Seattle/Tacoma Intl

Tue 4/14

12:30 am-10:25 am

1 stop19h 55m

$770

BangkokSeattle

BKK - SEA

BKKSEA

Bangkok Suvarnabhumi

Sun 3/22

2:15 am-7:10 pm

1 stop30h 55m

Seattle/Tacoma Intl

Tue 4/14

1:30 am-10:25 am

1 stop18h 55m

$771

BangkokSeattle

BKK - SEA

BKKSEA

Bangkok Suvarnabhumi

Mon 2/9

2:35 am-6:10 pm

1 stop30h 35m

Seattle/Tacoma Intl

Mon 3/9

1:10 am-1:05 pm

1 stop21h 55m

$779

BangkokSeattle

BKK - SEA

BKKSEA

Bangkok Suvarnabhumi

Sat 4/4

2:40 am-7:30 pm

1 stop30h 50m

Seattle/Tacoma Intl

Sat 4/11

1:10 am-1:25 am

1 stop34h 15m

$780

BangkokSeattle

BKK - SEA

BKKSEA

Bangkok Suvarnabhumi

Tue 3/3

12:55 am-9:00 am

1 stop23h 05m

Seattle/Tacoma Intl

Wed 3/4

11:00 am-12:55 am

1 stop22h 55m

$810

BangkokPortland

BKK - PDX

BKKPDX

Bangkok Suvarnabhumi

Tue 12/16

12:55 am-1:13 pm

2 stops27h 18m

Portland

Thu 1/15

7:10 am-9:30 pm

2 stops23h 20m

$846

BangkokPortland

BKK - PDX

BKKPDX

Bangkok Suvarnabhumi

Sun 3/22

2:05 am-7:11 pm

2 stops31h 06m

Portland

Wed 4/15

7:10 am-9:45 pm

2 stops24h 35m

$862

BangkokPortland

BKK - PDX

BKKPDX

Bangkok Suvarnabhumi

Wed 3/25

9:40 am-7:11 pm

2 stops23h 31m

Portland

Fri 4/17

5:45 pm-9:45 pm

2 stops38h 00m

$868

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Washington from

How to get the cheapest flight ticket from Bangkok Suvarnabhumi Airport to State of Washington

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to State of Washington?

The month of February is, on average, the cheapest month to fly to State of Washington from Bangkok Suvarnabhumi Airport, with most prices found around $805. If you aren’t able to travel to State of Washington during the month of February, then flying in October is also cheap. Prices for this month can be found on momondo for an average of $816.

What is the cheapest day to depart on your flight to State of Washington?

The cheapest day to depart from Bangkok Suvarnabhumi Airport to State of Washington is on a Wednesday. Travelers who choose to depart for State of Washington on a Wednesday will often find tickets for as low as $960. When flying out on a Thursday, the most expensive travel day of the week, you can expect to see flight prices from Bangkok Suvarnabhumi Airport to State of Washington for around $1,014.

What is the cheapest time of day to depart on your flight to State of Washington?

The cheapest time of day to fly to State of Washington is at noon when flights can be purchased for as low as $651. If you have a flexible travel schedule, then try to avoid flying in the afternoon when prices are $1,039 on average. Flights to State of Washington from Bangkok Suvarnabhumi Airport in the afternoon are generally more expensive because this time of day is more convenient for travelers’ schedules.

How far in advance should I book a flight to State of Washington?

You are more likely to see cheaper flights to State of Washington from Bangkok Suvarnabhumi Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to State of Washington for around $902 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to State of Washington from Bangkok Suvarnabhumi Airport for as low as $779 on momondo.

Can stopping save me money on Bangkok Suvarnabhumi Airport to State of Washington flights?

You could potentially save up to 35% on your flight if you consider stops on a Bangkok Suvarnabhumi Airport to State of Washington flight.

Cheap Bangkok Suvarnabhumi Airport to State of Washington flight deals and tips

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

Direct flights

None
There are no direct flights from Bangkok Suvarnabhumi Airport to State of Washington. There are no popular flight routes from Bangkok Suvarnabhumi Airport to State of Washington.
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  • When did momondo last update prices for flights from Bangkok Suvarnabhumi Airport to Washington?

    Prices for flights from Bangkok Suvarnabhumi Airport to Washington refresh daily.

  • How many operators does momondo search for flights from Bangkok Suvarnabhumi Airport to Washington?

  • How old do you have to be to fly from Bangkok Suvarnabhumi Airport to Washington?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Bangkok Suvarnabhumi Airport to Washington.

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

    The required travel and health documents for your Washington trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Washington. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Best airlines flying from Bangkok Suvarnabhumi Airport to State of Washington

Compare and see reviews for airlines that fly from Bangkok Suvarnabhumi Airport to State of Washington with momondo
Airline
Rating
Free Cancellation
Price
Philippine AirlinesPriceFrom $594Free CancellationRating
7.3
932 reviews
Search Philippine Airlines flights
Asiana AirlinesPriceFrom $651Free CancellationRating
8.2
484 reviews
Search Asiana Airlines flights
STARLUX AirlinesPriceFrom $705Free CancellationRating
8.9
219 reviews
Search STARLUX Airlines flights
EVA AirPriceFrom $770Free CancellationRating
8.4
1,270 reviews
Search EVA Air flights
ANAPriceFrom $781Free CancellationRating
8.4
1,002 reviews
Search ANA flights
China AirlinesPriceFrom $781Free CancellationRating
8.3
776 reviews
Search China Airlines flights
Korean AirPriceFrom $801Free CancellationRating
8.4
1,160 reviews
Search Korean Air flights
DeltaPriceFrom $829Free CancellationRating
7.9
8,003 reviews
Search Delta flights
Japan AirlinesPriceFrom $922Free CancellationRating
8.3
1,604 reviews
Search Japan Airlines flights

Why use momondo?

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

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Washington from Bangkok.

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

Yes. momondo allows you to filter the results for Bangkok to Washington flights to just show those with flexible booking policies.

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

momondo provides multiple filters to help you find the best flight to Washington from Bangkok. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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

Yes. momondo can track prices for Bangkok to Washington flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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