Cheap flights from Bangkok to Seattle from ฿13,663
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 17/7. Fares are subject to change and may not be available on all flights or dates of travel.
Cheapflights Tip: The best prices from Bangkok to Seattle/Tacoma Intl are usually found in November or February, booked 40 days in advance, depart on a Monday or Thursday and return on a Tuesday
Cheap flight deals from Bangkok to Seattle
Discover tips and strategies to find the most affordable flight options for your journey from Bangkok (TH1) to Seattle (SEA). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 30 June 2025.
Round-trip from | ฿22,219 |
---|---|
One-way from | ฿13,663 |
Popular in | August |
Cheapest in | November |
Average price | ฿31,393 |
Find flight deals from Bangkok to Seattle
Cheapest flights from Bangkok to SeattleExplore the most affordable flight options available from Bangkok to Seattle. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 30 June 2025.
Explore the most affordable flight options available from Bangkok to Seattle. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 30 June 2025.
Cheapflights Fare Finder
Customise your flight search to find flights from Bangkok to Seattle 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, Cheapflights users made 17,341 searches. Data last updated 30 June 2025.
Use the filters below to find and compare flights from Bangkok to Seattle that are best for you.
Fly from
Fly to
Route
Depart
Return
Price
BangkokSeattle
BKK - SEA
BKKSEA
Bangkok Suvarnabhumi
Mon 11/8
02:35-12:45
1 stop24h 10m
Seattle/Tacoma Intl
Tue 19/8
14:30-23:25
1 stop18h 55m
BangkokSeattle
BKK - SEA
BKKSEA
Bangkok Suvarnabhumi
Sun 14/12
13:30-19:35
1 stop21h 05m
Seattle/Tacoma Intl
Fri 2/1
23:55-21:50
1 stop30h 55m
BangkokSeattle
BKK - SEA
BKKSEA
Bangkok Suvarnabhumi
Fri 19/9
17:50-16:10
1 stop36h 20m
Seattle/Tacoma Intl
Mon 6/10
01:15-16:40
1 stop25h 25m
BangkokSeattle
BKK - SEA
BKKSEA
Bangkok Suvarnabhumi
Mon 15/9
02:40-19:20
1 stop30h 40m
Seattle/Tacoma Intl
Tue 7/10
01:10-12:10
1 stop21h 00m
BangkokSeattle
BKK - SEA
BKKSEA
Bangkok Suvarnabhumi
Tue 14/10
02:35-10:40
1 stop22h 05m
Seattle/Tacoma Intl
Sun 23/11
11:00-23:20
1 stop21h 20m
BangkokSeattle
BKK - SEA
BKKSEA
Bangkok Suvarnabhumi
Sat 20/12
21:30-13:20
1 stop30h 50m
Seattle/Tacoma Intl
Mon 5/1
11:25-00:45
1 stop22h 20m
BangkokSeattle
BKK - SEA
BKKSEA
Bangkok Suvarnabhumi
Wed 15/10
01:35-18:50
1 stop31h 15m
Seattle/Tacoma Intl
Sat 8/11
23:30-23:40
1 stop33h 10m
BangkokSeattle
DMK - SEA
DMKSEA
Bangkok Don Mueang Intl
Sun 13/7
06:40-16:35
2 stops23h 55m
Seattle/Tacoma Intl
Wed 24/9
05:30-22:15
2 stops26h 45m
BangkokSeattle
BKK - SEA
BKKSEA
Bangkok Suvarnabhumi
Thu 17/7
23:20-19:15
1 stop33h 55m
BangkokSeattle
DMK - SEA
DMKSEA
Bangkok Don Mueang Intl
Fri 31/10
11:20-08:10
2 stops34h 50m
Best time to book a flight from Bangkok to Seattle
Have a flexible travel schedule? Discover the best time to fly to Seattle from Bangkok with our price prediction graph.
Cheapflights Insights
Everything you need to know about your flight from Bangkok to Seattle
How far ahead should I book a flight from Bangkok to Seattle?
Use this chart to determine the optimal time to book a return flight from Bangkok to Seattle. Price data was last updated on 27 June 2025.
The best time to book flights from Bangkok to Seattle is 40 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.
What is the cheapest time of day to fly from BKK to SEA?
Find hourly flight availability from Bangkok to Seattle. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 30 June 2025.
When flying from Bangkok to Seattle, the time of day you fly usually plays a role in the price. Save by searching for a flight at midday, which can drop the price by up to 29% versus a flight in the afternoon.
What is the cheapest day to fly from Bangkok to Seattle?
Use this chart to determine the cheapest time to fly return from Bangkok to Seattle. Price data was last updated on 16 December 2024.
Travellers seeking maximum savings on their Bangkok to Seattle flight should consider departing on Wednesday at midday when fares are most often at their lowest. Wednesday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.
Reviews of airlines servicing Seattle
Get insights into the airlines that provide service to Seattle. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Seattle. Reviews last updated 30 June 2025.
Read through reviews of airlines operating flights from Bangkok to Seattle, such as STARLUX Airlines, EVA Air, andKorean Air. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Comfort
Crew
Entertainment
Food
Overall
Boarding
Reviews
ltulagan,Jun 2025
TPE - SEA
Comfort
Crew
Entertainment
Food
Overall
Boarding
Reviews
ltulagan,Jun 2025
TPE - SEA
Comfort
Crew
Entertainment
Food
Overall
Boarding
Reviews
ltulagan,Jun 2025
TPE - SEA
Comfort
Crew
Entertainment
Food
Overall
Boarding
Reviews
ltulagan,Jun 2025
TPE - SEA
Comfort
Crew
Entertainment
Food
Overall
Boarding
Reviews
ltulagan,Jun 2025
TPE - SEA
Comfort
Crew
Entertainment
Food
Overall
Boarding
Reviews
ltulagan,Jun 2025
TPE - SEA
Related info for your journey
Find useful and relevant information for your journey from Bangkok to Seattle. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Browse thousands of different options on Cheapflights for your next trip
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Alternative routes for Bangkok to Seattle
See prices for flight routes from nearby airports that may be better suited for you.
Top 7 airlines flying from Bangkok to Seattle
Discover the top 7 airlines that operate flights from Bangkok to Seattle. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 17,341 searches. Data last updated 30 June 2025.
Fly with Cheapflights
Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.
How does Cheapflights help users find flights from Bangkok to Seattle?
Deals for Bangkok to Seattle flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.
Why should you use Cheapflights to find cheap flight tickets from Bangkok to Seattle?
It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from Bangkok to Seattle.
Can Cheapflights find flights from Bangkok to Seattle with no change fees?
Yes, we can. To see specific flights from Bangkok to Seattle with no change fees, users can toggle flexible booking options after using the search form above to find flights.
Can Cheapflights notify me if prices for flights from Bangkok to Seattle become cheaper?
Not ready to book yet? You can track prices for flights from Bangkok to Seattle on Cheapflights with our Price Alert feature and get notified when better prices are available.