Cheap flights from Bangkok Suvarnabhumi Airport to Washington from $451

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 3/16. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.

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
11:40 pm - 8:05 pm
BKK
-
SEA
34h 25m
1 stop
Philippine Airlines Logo
11:10 pm - 8:55 am
SEA
-
BKK
19h 45m
1 stop
$623Philippine Airlines
Mon, Jun 1 - Tue, Sep 1
Hainan Airlines Logo
1:05 am - 9:00 am
BKK
-
SEA
21h 55m
1 stop
Hainan Airlines Logo
11:00 am - 11:00 pm
SEA
-
BKK
22h 00m
1 stop
$645Hainan Airlines
Mon, Mar 16 - Tue, Apr 7
Hainan Airlines Logo
1:05 am - 9:00 am
BKK
-
SEA
21h 55m
1 stop
Hainan Airlines Logo
11:00 am - 11:00 pm
SEA
-
BKK
22h 00m
1 stop
$647Hainan Airlines
Mon, Mar 16 - Tue, Apr 7
Asiana Airlines Logo
1:20 am - 2:55 pm
BKK
-
SEA
27h 35m
1 stop
Asiana Airlines Logo
12:55 am - 10:40 am
SEA
-
BKK
19h 45m
1 stop
$659Asiana Airlines
Sun, May 31 - Tue, Sep 15
Asiana Airlines Logo
1:20 am - 2:55 pm
BKK
-
SEA
27h 35m
1 stop
Asiana Airlines Logo
12:55 am - 10:40 am
SEA
-
BKK
19h 45m
1 stop
$660Asiana Airlines
Sun, May 31 - Mon, Aug 31
EVA Air Logo
1:35 am - 4:22 pm
BKK
-
PDX
28h 47m
2 stops
EVA Air Logo
5:35 pm - 11:20 am
PDX
-
BKK
27h 45m
2 stops
$881EVA Air
Tue, May 5 - Sat, Aug 15
EVA Air Logo
1:35 am - 1:47 pm
BKK
-
PDX
26h 12m
2 stops
EVA Air Logo
5:35 pm - 11:20 am
PDX
-
BKK
27h 45m
2 stops
$882EVA Air
Tue, May 5 - Sat, Aug 15
Korean Air Logo
9:40 pm - 4:23 pm
BKK
-
PDX
32h 43m
2 stops
Korean Air Logo
11:20 am - 1:05 am
PDX
-
BKK
23h 45m
2 stops
$906Korean Air
Tue, May 12 - Wed, Jun 3
Korean Air Logo
9:40 pm - 11:01 pm
BKK
-
PDX
39h 21m
2 stops
Korean Air Logo
11:20 am - 1:05 am
PDX
-
BKK
23h 45m
2 stops
$907Korean Air
Mon, May 11 - Tue, Jun 2
STARLUX Airlines Logo
5:40 pm - 9:37 pm
BKK
-
GEG
41h 57m
2 stops
STARLUX Airlines Logo
7:41 pm - 4:40 pm
GEG
-
BKK
30h 59m
2 stops
$1,372STARLUX Airlines
Fri, Mar 13 - Thu, Apr 30

Philippine Airlines flights from Bangkok Suvarnabhumi Airport to State of Washington

Our best Philippine Airlines deals on Bangkok Suvarnabhumi Airport to State of Washington flight tickets
Philippine Airlines
Apr 15
BKK11:40 pmBangkok Suvarnabhumi
34h 25m
1 stop
SEA8:05 pmSeattle/Tacoma Intl
May 15
SEA11:10 pmSeattle/Tacoma Intl
23h 00m
1 stop
BKK12:10 pmBangkok Suvarnabhumi
$676
Philippine Airlines
Mar 5
BKK1:20 pmBangkok Suvarnabhumi
20h 20m
1 stop
SEA6:40 pmSeattle/Tacoma Intl
Apr 3
SEA11:10 pmSeattle/Tacoma Intl
23h 00m
1 stop
BKK12:10 pmBangkok Suvarnabhumi
$688
Philippine Airlines
Jul 14
BKK1:25 pmBangkok Suvarnabhumi
20h 40m
1 stop
SEA8:05 pmSeattle/Tacoma Intl
Sep 16
SEA11:10 pmSeattle/Tacoma Intl
23h 00m
1 stop
BKK12:10 pmBangkok Suvarnabhumi
$689

ANA flights from Bangkok Suvarnabhumi Airport to State of Washington

Our best ANA deals on Bangkok Suvarnabhumi Airport to State of Washington flight tickets
ANA
Jun 5
BKK7:00 amBangkok Suvarnabhumi
25h 30m
2 stops
SEA6:30 pmSeattle/Tacoma Intl
Sep 5
SEA9:55 amSeattle/Tacoma Intl
28h 40m
2 stops
BKK4:35 amBangkok Suvarnabhumi
$670
ANA
Jun 5
BKK7:00 amBangkok Suvarnabhumi
25h 30m
2 stops
SEA6:30 pmSeattle/Tacoma Intl
Sep 5
SEA4:30 pmSeattle/Tacoma Intl
22h 05m
1 stop
BKK4:35 amBangkok Suvarnabhumi
$677
ANA
Jun 3
BKK9:35 amBangkok Suvarnabhumi
18h 50m
1 stop
SEA2:25 pmSeattle/Tacoma Intl
Aug 27
SEA4:30 pmSeattle/Tacoma Intl
22h 05m
1 stop
BKK4:35 amBangkok Suvarnabhumi
$682

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 March 2, 2026.
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

Mon 6/1

11:40 pm-8:05 pm

1 stop34h 25m

Seattle/Tacoma Intl

Tue 9/1

11:10 pm-8:55 am

1 stop19h 45m

$623

BangkokSeattle

BKK - SEA

BKKSEA

Bangkok Suvarnabhumi

Mon 3/16

1:05 am-9:00 am

1 stop21h 55m

Seattle/Tacoma Intl

Tue 4/7

11:00 am-11:00 pm

1 stop22h 00m

$645

BangkokSeattle

BKK - SEA

BKKSEA

Bangkok Suvarnabhumi

Mon 3/16

1:05 am-9:00 am

1 stop21h 55m

Seattle/Tacoma Intl

Tue 4/7

11:00 am-11:00 pm

1 stop22h 00m

$647

BangkokSeattle

BKK - SEA

BKKSEA

Bangkok Suvarnabhumi

Sun 5/31

1:20 am-2:55 pm

1 stop27h 35m

Seattle/Tacoma Intl

Tue 9/15

12:55 am-10:40 am

1 stop19h 45m

$659

BangkokSeattle

BKK - SEA

BKKSEA

Bangkok Suvarnabhumi

Sun 5/31

1:20 am-2:55 pm

1 stop27h 35m

Seattle/Tacoma Intl

Mon 8/31

12:55 am-10:40 am

1 stop19h 45m

$660

BangkokPortland

BKK - PDX

BKKPDX

Bangkok Suvarnabhumi

Tue 5/5

1:35 am-4:22 pm

2 stops28h 47m

Portland

Sat 8/15

5:35 pm-11:20 am

2 stops27h 45m

$881

BangkokPortland

BKK - PDX

BKKPDX

Bangkok Suvarnabhumi

Tue 5/5

1:35 am-1:47 pm

2 stops26h 12m

Portland

Sat 8/15

5:35 pm-11:20 am

2 stops27h 45m

$882

BangkokPortland

BKK - PDX

BKKPDX

Bangkok Suvarnabhumi

Tue 5/12

9:40 pm-4:23 pm

2 stops32h 43m

Portland

Wed 6/3

11:20 am-1:05 am

2 stops23h 45m

$906

BangkokPortland

BKK - PDX

BKKPDX

Bangkok Suvarnabhumi

Mon 5/11

9:40 pm-11:01 pm

2 stops39h 21m

Portland

Tue 6/2

11:20 am-1:05 am

2 stops23h 45m

$907

BangkokSpokane

BKK - GEG

BKKGEG

Bangkok Suvarnabhumi

Fri 3/13

5:40 pm-9:37 pm

2 stops41h 57m

Spokane

Thu 4/30

7:41 pm-4:40 pm

2 stops30h 59m

$1,372

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

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 March is, on average, the cheapest month to fly to State of Washington from Bangkok Suvarnabhumi Airport, with most prices found around $736. If you aren’t able to travel to State of Washington during the month of March, then flying in December is also cheap. Prices for this month can be found on momondo for an average of $766.

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 $872 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 $738 on momondo.

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

You could potentially save up to 6% 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

Fastest flight time

16h 45m

Direct flights

None
The fastest flight from Bangkok Suvarnabhumi Airport to State of Washington takes 16h 45m
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.
  • 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 $624Free CancellationRating
7.3
962 reviews
Search Philippine Airlines flights
Asiana AirlinesPriceFrom $655Free CancellationRating
8.1
502 reviews
Search Asiana Airlines flights
STARLUX AirlinesPriceFrom $705Free CancellationRating
8.9
275 reviews
Search STARLUX Airlines flights
EVA AirPriceFrom $766Free CancellationRating
8.4
1,362 reviews
Search EVA Air flights
China AirlinesPriceFrom $776Free CancellationRating
8.3
809 reviews
Search China Airlines flights
Korean AirPriceFrom $799Free CancellationRating
8.4
1,195 reviews
Search Korean Air flights
DeltaPriceFrom $829Free CancellationRating
7.9
8,238 reviews
Search Delta 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.

An easier way to manage your State of Washington trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Wed 4/1
Wed 4/8

Find better results for your trip to Washington

Popular cities in Washington

Popular flights according to clicks in the last 7 days on momondo