BKK - SEA

$489 Find Cheap Flights from Bangkok to Seattle - Compare and Save

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1 adult, Economy, 0 bags

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Everything you should know

Cheapest round-trip
$744
Typical prices: $754-$947
Korean Air
Fri 9/28Sat 10/6
BKK - SEA • 1 stop
Cheapest one-way
$489
Typical prices: $505-$704
STARLUX Airlines
Sun 9/30
BKK - SEA • 1 stop
Nonstop flights
There are currently no direct flights between Bangkok Suvarnabhumi Airport and Seattle. You'll need to take a connecting flight to reach the destination.
Insights
Insights
When to book
in advance
Our data shows that travelers who book at least 16 weeks in advance save around 28% compared to booking last minute.
Insights
Insights
When to travel
Cheapest • 13% price drop
Most popular
Good to know
+1
Good to know
+1
Top layover airports
Cheapest • Avg $642 (round-trip)
Shortest trip • 18h 09m (one-way)
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Insights
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Flight Deals
Booking Insights
Flight Deals

Cheap Flights from Bangkok to Seattle (BKK-SEA)

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

Recent round-trip flight deals from Bangkok to Seattle

Tue, Sep 29 - Wed, Oct 7
Korean Air Logo
2:35 am - 10:40 amBKK  Bangkok Suvarnabhumi-SEA Seattle/Tacoma Intl
22h 05m1 stop Incheon Intl
Korean Air Logo
12:50 pm - 9:45 pmSEA  Seattle/Tacoma Intl-BKK Bangkok Suvarnabhumi
18h 55m1 stop Incheon Intl
$754Korean Air
Sun, Oct 4 - Sun, Nov 1
Asiana Airlines Logo
1:35 am - 3:15 pmBKK  Bangkok Suvarnabhumi-SEA Seattle/Tacoma Intl
27h 40m1 stop Incheon Intl
Asiana Airlines Logo
12:10 am - 11:15 amSEA  Seattle/Tacoma Intl-BKK Bangkok Suvarnabhumi
20h 05m1 stop Incheon Intl
$772Asiana Airlines
Wed, Sep 30 - Tue, Oct 13
Asiana Airlines Logo
1:35 am - 3:15 pmBKK  Bangkok Suvarnabhumi-SEA Seattle/Tacoma Intl
27h 40m1 stop Incheon Intl
Asiana Airlines Logo
12:10 am - 11:35 pmSEA  Seattle/Tacoma Intl-BKK Bangkok Suvarnabhumi
33h 25m1 stop Incheon Intl
$772Asiana Airlines
Wed, Sep 30 - Wed, Oct 7
Korean Air Logo
11:30 pm - 10:40 amBKK  Bangkok Suvarnabhumi-SEA Seattle/Tacoma Intl
25h 10m1 stop Incheon Intl
Korean Air Logo
12:50 pm - 1:05 amSEA  Seattle/Tacoma Intl-BKK Bangkok Suvarnabhumi
22h 15m1 stop Incheon Intl
$773Korean Air
Sun, Oct 11 - Sat, Nov 7
Delta Logo
9:40 pm - 1:14 pmBKK  Bangkok Suvarnabhumi-SEA Seattle/Tacoma Intl
29h 34m1 stop Incheon Intl
Delta Logo
12:35 pm - 12:45 amSEA  Seattle/Tacoma Intl-BKK Bangkok Suvarnabhumi
21h 10m1 stop Incheon Intl
$798Delta
Sun, Oct 11 - Fri, Nov 13
Delta Logo
9:40 pm - 1:14 pmBKK  Bangkok Suvarnabhumi-SEA Seattle/Tacoma Intl
29h 34m1 stop Incheon Intl
Delta Logo
12:35 pm - 12:45 amSEA  Seattle/Tacoma Intl-BKK Bangkok Suvarnabhumi
21h 10m1 stop Incheon Intl
$798Delta
Sat, Oct 10 - Sun, Oct 18
China Airlines Logo
10:50 am - 7:15 pmBKK  Bangkok Suvarnabhumi-SEA Seattle/Tacoma Intl
22h 25m1 stop Taipei City Taiwan Taoyuan Intl
China Airlines Logo
1:15 am - 12:10 pmSEA  Seattle/Tacoma Intl-BKK Bangkok Suvarnabhumi
20h 55m1 stop Taipei City Taiwan Taoyuan Intl
$801China Airlines
Wed, Oct 7 - Fri, Oct 16
STARLUX Airlines Logo
1:10 pm - 4:10 pmBKK  Bangkok Suvarnabhumi-SEA Seattle/Tacoma Intl
17h 00m1 stop Taipei City Taiwan Taoyuan Intl
STARLUX Airlines Logo
1:15 am - 12:00 pmSEA  Seattle/Tacoma Intl-BKK Bangkok Suvarnabhumi
20h 45m1 stop Taipei City Taiwan Taoyuan Intl
$815STARLUX Airlines
Wed, Sep 30 - Sun, Oct 11
STARLUX Airlines Logo
1:10 pm - 4:10 pmBKK  Bangkok Suvarnabhumi-SEA Seattle/Tacoma Intl
17h 00m1 stop Taipei City Taiwan Taoyuan Intl
STARLUX Airlines Logo
1:15 am - 4:40 pmSEA  Seattle/Tacoma Intl-BKK Bangkok Suvarnabhumi
25h 25m1 stop Taipei City Taiwan Taoyuan Intl
$815STARLUX Airlines
Tue, Dec 1 - Sun, Dec 27
China Airlines Logo
2:05 pm - 6:10 pmBKK  Bangkok Suvarnabhumi-SEA Seattle/Tacoma Intl
19h 05m1 stop Taipei City Taiwan Taoyuan Intl
China Airlines Logo
12:10 am - 1:35 amSEA  Seattle/Tacoma Intl-BKK Bangkok Suvarnabhumi
34h 25m1 stop Taipei City Taiwan Taoyuan Intl
$817China Airlines
Booking Insights

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

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

How much is a round-trip flight from Bangkok Suvarnabhumi Airport to Seattle?

Round-trip flights from Bangkok Suvarnabhumi Airport to Seattle start at $744. Prices are below average for this route right now, with typical round-trip fares ranging from $754 to $947. The lowest price found in the past 5 days was $744 on Korean Air.

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

Tuesday is the cheapest day of the week to fly from Bangkok Suvarnabhumi Airport to Seattle, it 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 Suvarnabhumi Airport to Seattle?

  • March is the cheapest month to fly from Bangkok Suvarnabhumi Airport to Seattle at $725 round-trip.
  • August ($981) and January ($895) 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 Suvarnabhumi Airport to Seattle the cheapest?

Flights from Bangkok Suvarnabhumi Airport 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.

Key details for Bangkok Suvarnabhumi Airport to Seattle flights

Low season

September

Cheapest flight

$489
Best time to beat the crowds with an average 4% drop in price.
Most popular time to fly with an average 2% increase in price.
Flight 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 round-trip price

Your Bangkok Suvarnabhumi Airport to Seattle flight questions, answered

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

  • What is the carry-on policy on airlines from Bangkok (BKK) to Seattle (SEA)?

    First and business-class flyers with Qatar Airways are allowed two pieces of baggage not weighing more than 33 lbs. Economy class ticket holders can bring only one piece of baggage not weighing more than 15 lbs. Korean Airlines flyers in Prestige or first-class cabins can bring two pieces of baggage not weighing more than 40 lbs. Travelers in economy class cabins are allowed one piece of baggage and one personal item. They should not weigh more than 22 lbs.

  • Which airlines fly sustainably from Bangkok to Seattle?

    The average amount of carbon emissions released by each passenger is around 13,865 pounds. Japan Airlines and Air Canada are the most sustainable airlines flying to Seattle from Bangkok. They offset 49% of their carbon emissions. Environmentally conscious passengers can book flights with these airlines.

  • What are the benefits of upgrading to a higher cabin class?

    Air Canada offers wider and more spacious seats to passengers flying in business-class cabins. Additionally, they benefit from priority check-ins and boarding, additional baggage allowances, and in-flight food or beverages. Business-class passengers on American Airlines will benefit from big, flat beds with integrated massage functions and a priority security line.

  • What is the cancellation policy for airlines flying from Bangkok to Seattle?

    If you purchased your ticket at least two days before departure, you have up to 24 hours from the initial purchase to request a refund. All ticket types are subject to the 24-hour refund policy, but you must cancel the trip to receive a refund. Group block reservations are not eligible for the 24-hour refund.

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

    Flights from Bangkok Suvarnabhumi Airport to Seattle usually depart from Bangkok Suvarnabhumi (BKK) and arrive at Seattle/Tacoma Intl (SEA).

  • What cabin classes can I book on flights from Bangkok Suvarnabhumi Airport to Seattle?

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

    • Economy Class
    • Premium Economy Class
    • Business Class

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

    One-stop flights from Bangkok Suvarnabhumi Airport 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) - 8% 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 Suvarnabhumi Airport to Seattle?

    Yes. Being flexible with your travel dates can save you up to 14% on the Bangkok Suvarnabhumi Airport to Seattle route. Tuesday is the cheapest departure day at $806 round-trip on average, while Saturday is the most expensive at $936, a difference of $130. 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?

    Some of the most popular sights in Seattle are Pike Place Market, Pier 66 and Lumen Field. These are among the most viewed places in Seattle on KAYAK.

  • How long is a flight from Bangkok Suvarnabhumi Airport to Seattle?

    A nonstop flight from Bangkok Suvarnabhumi Airport to Seattle takes 0h 00m, covering 7,443 miles.

  • What are the earliest and latest flights from Bangkok Suvarnabhumi Airport to Seattle?

    These are the earliest and latest flight times available from Bangkok Suvarnabhumi Airport to Seattle:

    • Earliest: departs at 12:00 am and lands at 12:00 am
    • Latest: departs at 12:00 am and lands at 12:00 am.

    The flight takes about 0h 00m.

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

    Last-minute fares on this route - booked within 2 weeks of departure - run 19% above the route average of $835. Book 16 weeks before departure for the lowest fares.

  • Do I need a passport to fly from Bangkok Suvarnabhumi Airport 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 Suvarnabhumi Airport to Seattle looking right now?

    One-way fares from Bangkok Suvarnabhumi Airport to Seattle are currently in line with typical prices for this route. Average one-way fares are about $579.

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

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

  • What is the time difference between Bangkok Suvarnabhumi Airport and Seattle?

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

  • What car rental options are available at Seattle/Tacoma Intl Airport (SEA)?

    Seattle/Tacoma Intl Airport (SEA) hosts 5 major car rental companies, with daily rates starting from around $4 for economy cars. Top options include:
    · Fox
    · Europcar
    · Thrifty
    · Budget
    · Dollar

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

    Round-trip flights from Bangkok Suvarnabhumi Airport to Seattle range from $754 to $947, with an average of $835 over the past 12 months. Anything below $754 counts as a good deal.

Your guide to booking Bangkok Suvarnabhumi Airport to Seattle flights

Get tips on when to book, when to fly and what to know before your trip.
  • If your dates can be flexible, aim for a Tuesday departure instead of Saturday. On this route, Tuesday flights average $806 - about $130 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 Suvarnabhumi Airport to Seattle trip for March. Fares historically average $725 round-trip in that month - typically $256 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.
    - Fairfield by Marriott Inn & Suites Seattle Sea-Tac Airport
    - Coast Gateway Hotel
    - Seattle Airport Marriott
  • Seattle-Tacoma International Airport (SEA) is about one mile south of downtown Seattle. Incoming passengers into SEA can access different cities within close proximity to Seattle, which the airport serves. Some of these cities include Burien, Tukwila, Kirkwood, and Tacoma.
  • All car rental facilities operating at SEA are off-site, but a free shuttle offers transport services to the rental facilities. The shuttle stations are on the south and north ends, at the passenger pickup area on the lower road on the baggage claim level. Some car rental agencies you will access include National, Payless, Thrifty, Avis, and Hertz.
  • Air China allows passengers to travel with checked live animals like pets. However, they are not allowed into the cabins. They are required to travel in the cargo compartment as checked baggage. Cats and dogs not older than eight weeks, pregnant, and lactating are not accepted. Asiana Airlines allows adults to bring one pet into the cabin and two pets as checked baggage.
  • Upon request at Eva Air's reservation office, passengers can request check-in or onboard special attention. Passengers with reduced mobility can also access wheelchair services. Asiana Airlines allows service dogs into the cabin to accompany passengers with visual and hearing impairments, free of charge. Service dogs must have the appropriate documentation, such as health vaccination certificates.
  • Eva Air requires adult passengers traveling with two infants or children to book a seat for one using an approved child car seat. Air Canada offers pre-board services to passengers with children under the age of six years before general boarding.

Everything you need to know for your flight from Bangkok to Seattle

Information on your arrival and departure airports