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฿15,804 Find Cheap Flights from Bangkok to Seattle – Compare and Save

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Everything you should know

Cheapest return flight
฿25,207
Typical prices: ฿24,869-฿31,248
Asiana Airlines
Thu 4/10Sat 6/10
BKK - SEA • 1 stop
Cheapest one-way flight
฿15,804
Typical prices: ฿16,689-฿23,841
Asiana Airlines
Sat 3/2
BKK - SEA • 1 stop
Direct flights
Not available
There are currently no direct flights between Bangkok and Seattle. You'll need to take a connecting flight to reach the destination.
Insights
Insights
Top routes
BKK - SEA
Cheapest • 24% average savings
DMK - SEA
Most popular
Insights
Insights
When to book
16 weeks
in advance
Our data shows that travellers who book at least 16 weeks in advance save around 28% compared to booking last minute.
Insights
Insights
When to travel
March
Cheapest • 13% price drop
June
Most popular
Good to know
+1
Good to know
+1
Top stopover airports
Beijing Capital (PEK)
Cheapest • Avg ฿21,176 (return)
Vancouver Intl (YVR)
Shortest trip • 18h 09m (one-way)
Insights
Insights
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KAYAK searches hundreds of sites at once to find you the best travel deals.
We hope you enjoy your trip to Seattle!
Flight Deals
Booking Insights
Flight Deals

Cheap Flights from Bangkok to Seattle

 
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent return flight deals from Bangkok to Seattle

Sun 4 Oct - Tue 6 Oct
Asiana Airlines Logo
11:45 - 15:15BKK  Bangkok Suvarnabhumi-SEA Seattle/Tacoma Intl
17h 30m1 stop Incheon Intl
Asiana Airlines Logo
00:10 - 23:35SEA  Seattle/Tacoma Intl-BKK Bangkok Suvarnabhumi
33h 25m1 stop Incheon Intl
฿25,207Asiana Airlines
Sun 1 Nov - Mon 23 Nov
Asiana Airlines Logo
12:25 - 14:55BKK  Bangkok Suvarnabhumi-SEA Seattle/Tacoma Intl
16h 30m1 stop Incheon Intl
Asiana Airlines Logo
00:10 - 11:15SEA  Seattle/Tacoma Intl-BKK Bangkok Suvarnabhumi
20h 05m1 stop Incheon Intl
฿25,569Asiana Airlines
Sun 25 Oct - Mon 2 Nov
Korean Air Logo
01:05 - 10:05BKK  Bangkok Suvarnabhumi-SEA Seattle/Tacoma Intl
23h 00m1 stop Incheon Intl
Korean Air Logo
11:00 - 00:20SEA  Seattle/Tacoma Intl-BKK Bangkok Suvarnabhumi
22h 20m1 stop Incheon Intl
฿25,899Korean Air
Wed 21 Oct - Fri 6 Nov
Korean Air Logo
02:35 - 10:40BKK  Bangkok Suvarnabhumi-SEA Seattle/Tacoma Intl
22h 05m1 stop Incheon Intl
Korean Air Logo
11:00 - 13:25SEA  Seattle/Tacoma Intl-BKK Bangkok Suvarnabhumi
35h 25m1 stop Incheon Intl
฿25,965Korean Air
Tue 6 Oct - Wed 14 Oct
STARLUX Airlines Logo
17:50 - 16:10BKK  Bangkok Suvarnabhumi-SEA Seattle/Tacoma Intl
36h 20m1 stop Taipei City Taiwan Taoyuan Intl
STARLUX Airlines Logo
01:15 - 16:40SEA  Seattle/Tacoma Intl-BKK Bangkok Suvarnabhumi
25h 25m1 stop Taipei City Taiwan Taoyuan Intl
฿27,285STARLUX Airlines
Tue 6 Oct - Wed 14 Oct
STARLUX Airlines Logo
13:10 - 16:10BKK  Bangkok Suvarnabhumi-SEA Seattle/Tacoma Intl
17h 00m1 stop Taipei City Taiwan Taoyuan Intl
STARLUX Airlines Logo
01:15 - 16:40SEA  Seattle/Tacoma Intl-BKK Bangkok Suvarnabhumi
25h 25m1 stop Taipei City Taiwan Taoyuan Intl
฿27,351STARLUX Airlines
Thu 26 Nov - Thu 7 Jan
China Airlines Logo
10:55 - 18:10BKK  Bangkok Suvarnabhumi-SEA Seattle/Tacoma Intl
22h 15m1 stop Taipei City Taiwan Taoyuan Intl
China Airlines Logo
00:10 - 16:45SEA  Seattle/Tacoma Intl-BKK Bangkok Suvarnabhumi
25h 35m1 stop Taipei City Taiwan Taoyuan Intl
฿27,846China Airlines
Thu 26 Nov - Sat 9 Jan
China Airlines Logo
10:55 - 18:10BKK  Bangkok Suvarnabhumi-SEA Seattle/Tacoma Intl
22h 15m1 stop Taipei City Taiwan Taoyuan Intl
China Airlines Logo
00:10 - 09:50SEA  Seattle/Tacoma Intl-BKK Bangkok Suvarnabhumi
18h 40m1 stop Taipei City Taiwan Taoyuan Intl
฿27,846China Airlines
Fri 27 Nov - Fri 8 Jan
Philippine Airlines Logo
09:55 - 18:30BKK  Bangkok Suvarnabhumi-SEA Seattle/Tacoma Intl
23h 35m1 stop Manila Ninoy Aquino Intl
Philippine Airlines Logo
21:30 - 12:05SEA  Seattle/Tacoma Intl-BKK Bangkok Suvarnabhumi
23h 35m1 stop Manila Ninoy Aquino Intl
฿32,300Philippine Airlines
Fri 27 Nov - Sun 10 Jan
Philippine Airlines Logo
13:10 - 18:30BKK  Bangkok Suvarnabhumi-SEA Seattle/Tacoma Intl
20h 20m1 stop Manila Ninoy Aquino Intl
Philippine Airlines Logo
21:30 - 12:05SEA  Seattle/Tacoma Intl-BKK Bangkok Suvarnabhumi
23h 35m1 stop Manila Ninoy Aquino Intl
฿32,399Philippine Airlines
Booking Insights

Price, demand, and travel trends for Bangkok to Seattle flights

Use KAYAK data on prices, travel dates, airlines, and seasonal trends to compare options and book flights from Bangkok to Seattle with more confidence.

How much is a return flight from Bangkok to Seattle?

Return flights from Bangkok to Seattle start at ฿25,207. Prices are typical for this route right now, with typical return fares ranging from ฿24,869 to ฿31,248. The lowest price found in the past 5 days was ฿25,207 on Asiana Airlines.

What's the cheapest day of the week to fly from Bangkok to Seattle?

Tuesday is the cheapest day of the week to fly from Bangkok to Seattle and is 4% cheaper than the average day. Saturday is the most expensive day with flight prices 12% higher than average. Based on deals found by KAYAK users in the last 12 months.

What is the cheapest month to fly from Bangkok to Seattle?

  • March is the cheapest month to fly from Bangkok to Seattle at ฿23,920 return.
  • August (฿32,366) and January (฿29,529) are the most expensive months.
  • The price difference between flying in the cheapest and most expensive months is 35% on average.
This is based on KAYAK aggregated and averaged internal data over the past 12 months.

When are prices from Bangkok to Seattle the cheapest?

Flights from Bangkok to Seattle are cheapest 16 weeks before departure. Booking in this window typically costs about 28% less than the average last-minute fare (within 2 weeks of the flight), based on KAYAK data.

Find deals

Key details for Bangkok to Seattle flights

Low season

September

Cheapest flight

฿15,804
Best time to beat the crowds (4% less expensive on average)
Most popular time to fly (2% more expensive on average)
Flights from Bangkok Suvarnabhumi Airport to Seattle

When to book flights from Bangkok to Seattle

Are your dates flexible? Find out the best times to travel from Bangkok to Seattle based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated return price

Your Bangkok to Seattle flight questions, answered

Find helpful route details based on KAYAK data, including flight times, airports, airlines, and booking questions.

  • Which airports can I use when flying from Bangkok to Seattle?

    Flights from Bangkok to Seattle may depart from several airports in Bangkok area, including Bangkok Suvarnabhumi (BKK) and Bangkok Don Mueang Intl (DMK). Flights usually arrive at Seattle/Tacoma Intl (SEA).

  • Which cabin classes can I book on flights from Bangkok to Seattle?

    Three cabin classes are available on flights from Bangkok to Seattle:

    • Economy class
    • Premium Economy Class
    • Business Class

  • Which airports do connecting flights from Bangkok to Seattle pass through?

    One-stop flights from Bangkok to Seattle most commonly connect through:

    • Incheon Intl (ICN) – 44% of one-stop connections
    • Taipei City Taiwan Taoyuan Intl (TPE) – 42% of one-stop connections
    • Manila Ninoy Aquino Intl (MNL) – 7% of one-stop connections
    • Tokyo Haneda (HND) – 3% of one-stop connections

    Incheon Intl (ICN) handles the largest share of one-stop connections on this route.

  • Can I save money by using flexible dates for flights from Bangkok to Seattle?

    Yes. Being flexible with your travel dates can save you up to 14% on the Bangkok to Seattle route. Tuesday is the cheapest departure day at ฿26,592 return on average, while Saturday is the most expensive at ฿30,881, a difference of ฿4,289. KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

  • What popular places can I visit in Seattle?

    Seattle Waterfront is one of the most viewed places in Seattle on KAYAK.

  • How expensive are last-minute Bangkok to Seattle flights?

    Last-minute fares on this route (booked within 2 weeks of departure) run 19% above the route average of ฿27,549. Book 16 weeks before departure for the lowest fares.

  • How long is a flight from Bangkok to Seattle?

    A direct flight from Bangkok to Seattle takes 0h 00m, covering 19,285 km.

  • Do I need a passport to fly from Bangkok to Seattle?

    Yes, a valid passport is required for this international route. Many destinations require at least six months of validity beyond your travel dates. Check your passport expiry well before booking.

  • How are flight prices from Bangkok to Seattle looking right now?

    One-way fares from Bangkok to Seattle are currently lower than usual. Average one-way flight prices are about ฿17,559, which is 7% below the typical average for this route.

  • How much time can I save by choosing a different stopover airport from Bangkok to Seattle?

    Flying via Vancouver Intl (YVR) gives the shortest average 1-stop total travel time of 18h 09m, compared to 18h 20m via Taipei City Taiwan Taoyuan Intl (TPE) and 19h 20m via Hong Kong Intl (HKG).

  • What is the time difference between Bangkok and Seattle?

    Seattle is 14 hours behind Bangkok (Pacific Time vs Indochina Time). Plan for the time shift when scheduling connections or first-day activities.

  • Which car hire options are available at Seattle/Tacoma Intl Airport (SEA)?

    Seattle/Tacoma Intl Airport (SEA) hosts 5 major car hire companies, with daily rates starting from around ฿124 for economy cars. Top options include:
    • Fox
    • Europcar
    • Thrifty
    • Budget
    • Dollar

  • How much should I expect to pay for a Bangkok to Seattle flight?

    Return flights from Bangkok to Seattle range from ฿24,869 to ฿31,248, with an average of ฿27,549 over the past 12 months. Anything below ฿24,869 counts as a good deal.

Your guide to booking Bangkok to Seattle flights

Get tips on when to book, when to fly, and what to know before your trip.
  • If your dates are flexible, aim for a Tuesday departure instead of Saturday. On this route, Tuesday flights average ฿26,592 – about ฿4,289 less than Saturday (14% savings) based on the last 12 months.
  • For the best chance at a low fare, aim to book around 16 weeks before you fly. On this route, that window historically saves about 28% versus last-minute pricing (KAYAK booking data, last 12 months).
  • If you can choose when to travel, plan your Bangkok to Seattle trip for March. Fares historically average ฿23,920 return in that month – typically ฿8,446 less than the most expensive month, which is August (based on the last 12 months).
  • If you're arriving late at night and need somewhere to stay, check out these hotels close to Seattle/Tacoma Intl Airport.
    - Seattle Airport Marriott
    - Coast Gateway Hotel
    - Fairfield by Marriott Inn & Suites Seattle Sea-Tac Airport

More options for your flight from Bangkok to Seattle

Complete your trip to Seattle with a hotel stay or car hire

Car rentals in Seattle
Hotels in Seattle