Cheap flights from Bangkok to Seattle from ฿13,089
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 27/5. Fares are subject to change and may not be available on all flights or dates of travel.
BKK — SEA
3 Jan — 10 Jan1
Return
1 adult
Economy
Return
1 adult, Economy, 0 bags
Cheapflights Tip: The best prices from Bangkok to Seattle/Tacoma Intl are usually found in February or October, booked 65 days in advance, depart on a Monday or Thursday and return on a Tuesday
Cheap flight deals from Bangkok to Seattle
Enter your travel dates to find the best prices.
Cheapest flights from Bangkok to Seattle
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 4 December 2025.
Sun 28/1208:00BKK - SEA
2 stops29h 46mMultiple Airlines
Sun 4/115:45SEA - BKK
1 stop22h 25mMultiple Airlines
Deal found 4/12฿41,090
Sun 28/1207:55BKK - SEA
2 stops25h 55mCathay Pacific
Sun 4/106:06SEA - BKK
2 stops38h 09mCathay Pacific
Deal found 4/12฿41,186
Sun 28/1208:05BKK - SEA
1 stop16h 45mJapan Airlines
Sun 4/112:30SEA - BKK
1 stop20h 05mJapan Airlines
Deal found 4/12฿42,402
Tue 2/1222:05BKK - SEA
2 stops38h 08mMultiple Airlines
Sat 6/1212:10SEA - BKK
2 stops25h 50mMultiple Airlines
Deal found 2/12฿43,714
Tue 2/1222:05BKK - SEA
2 stops40h 33mAmerican Airlines
Sat 6/1212:10SEA - BKK
1 stop25h 55mAmerican Airlines
Deal found 2/12฿46,498
Tue 2/1220:30BKK - SEA
1 stop30h 10mQatar Airways
Sat 6/1216:05SEA - BKK
1 stop35h 20mQatar Airways
Deal found 2/12฿59,907
Wed 10/1213:20BKK - SEA
1 stop20h 20mPhilippine Airlines
Sun 21/1221:30SEA - BKK
1 stop29h 20mPhilippine Airlines
Deal found 3/12฿123,686
Wed 10/1218:45BKK - SEA
1 stop38h 55mMultiple Airlines
Sun 21/1217:59SEA - BKK
2 stops32h 51mMultiple Airlines
Deal found 3/12฿135,686
Mon 8/1223:50BKK - SEA
1 stop33h 50mPhilippine Airlines
Fri 19/1223:10SEA - BKK
2 stops51h 40mPhilippine Airlines
Deal found 2/12฿137,222
Wed 10/1216:55BKK - SEA
2 stops43h 05mUnited Airlines
Sun 21/1212:35SEA - BKK
2 stops55h 50mUnited Airlines
Deal found 3/12฿139,142
Mon 8/1210:55BKK - SEA
1 stop22h 15mChina Airlines
Thu 18/1200:10SEA - BKK
1 stop21h 55mChina Airlines
Deal found 2/12฿145,927
Tue 9/1202:00DMK - SEA
2 stops28h 05mMultiple Airlines
Sat 20/1200:10SEA - DMK
1 stop28h 40mMultiple Airlines
Deal found 4/12฿209,545
Best flights from Bangkok to Seattle
Discover carefully curated flight deals from Bangkok to Seattle that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 4 December 2025.
Wed 25/313:20BKK - SEA
1 stop20h 20mPhilippine Airlines
Tue 14/423:10SEA - BKK
1 stop33h 30mPhilippine Airlines
Deal found 2/12฿22,817
Tue 24/309:20DMK - SEA
2 stops24h 20mMultiple Airlines
Wed 22/414:40SEA - DMK
1 stop34h 50mMultiple Airlines
Deal found 3/12฿24,513
Sun 31/501:20BKK - SEA
1 stop27h 35mAsiana Airlines
Fri 31/700:10SEA - BKK
1 stop33h 00mAsiana Airlines
Deal found 3/12฿24,641
Fri 22/509:35BKK - SEA
1 stop18h 50mANA
Tue 2/613:45SEA - BKK
2 stops24h 50mANA
Deal found 3/12฿24,801
Sun 18/114:05BKK - SEA
1 stop19h 05mChina Airlines
Sat 24/100:10SEA - BKK
1 stop34h 25mChina Airlines
Deal found 4/12฿25,025
Mon 1/607:00BKK - SEA
2 stops23h 27mUnited Airlines
Wed 16/908:35SEA - BKK
2 stops25h 20mUnited Airlines
Deal found 3/12฿25,601
Mon 23/318:45BKK - SEA
1 stop38h 55mPhilippine Airlines
Tue 14/423:10SEA - BKK
1 stop23h 00mPhilippine Airlines
Deal found 2/12฿22,817
Fri 16/102:35BKK - SEA
1 stop30h 35mChina Airlines
Sat 31/100:10SEA - BKK
1 stop34h 25mChina Airlines
Deal found 2/12฿25,057
Tue 24/313:20BKK - SEA
1 stop20h 20mPhilippine Airlines
Thu 23/423:10SEA - BKK
1 stop23h 00mPhilippine Airlines
Deal found 3/12฿22,881
Thu 26/313:20BKK - SEA
1 stop20h 20mPhilippine Airlines
Sun 12/423:10SEA - BKK
1 stop29h 20mPhilippine Airlines
Deal found 2/12฿23,137
Wed 15/419:30BKK - SEA
1 stop38h 35mPhilippine Airlines
Tue 30/623:10SEA - BKK
1 stop23h 00mPhilippine Airlines
Deal found 3/12฿23,937
Thu 12/323:50BKK - SEA
1 stop33h 50mPhilippine Airlines
Sun 15/322:30SEA - BKK
1 stop34h 30mPhilippine Airlines
Deal found 2/12฿23,969
Thu 8/106:45DMK - SEA
3 stops30h 21mMultiple Airlines
Fri 9/100:10SEA - DMK
2 stops25h 05mMultiple Airlines
Deal found 4/12฿35,330
Fri 19/1206:15DMK - SEA
1 stop23h 50mMultiple Airlines
Sat 10/107:00SEA - DMK
2 stops27h 30mMultiple Airlines
Deal found 4/12฿37,954
Sat 20/1206:15DMK - SEA
1 stop23h 50mMultiple Airlines
Fri 9/107:00SEA - DMK
2 stops27h 30mMultiple Airlines
Deal found 4/12฿39,554
Sat 20/1206:15DMK - SEA
1 stop23h 50mMultiple Airlines
Sat 10/107:00SEA - DMK
2 stops27h 30mMultiple Airlines
Deal found 4/12฿39,714
Tue 5/522:00DMK - SEA
2 stops26h 10mMultiple Airlines
Tue 26/523:10SEA - DMK
1 stop22h 15mMultiple Airlines
Deal found 4/12฿46,594
Wed 7/102:30DMK - SEA
1 stop26h 15mMultiple Airlines
Sun 11/107:00SEA - DMK
2 stops27h 30mMultiple Airlines
Deal found 3/12฿47,778
Wed 7/120:10DMK - SEA
3 stops40h 48mMultiple Airlines
Tue 14/713:30SEA - DMK
1 stop35h 10mMultiple Airlines
Deal found 3/12฿48,130
Last-minute flights from Bangkok to Seattle
Discover last-minute flight deals from Bangkok to Seattle. Data last updated 4 December 2025 and is based on user searches.
Fri 19/1206:15DMK - SEA
1 stop23h 50mMultiple Airlines
Sat 10/107:00SEA - DMK
2 stops27h 30mMultiple Airlines
Deal found 4/12฿37,954
Sat 20/1206:15DMK - SEA
1 stop23h 50mMultiple Airlines
Fri 9/107:00SEA - DMK
2 stops27h 30mMultiple Airlines
Deal found 4/12฿39,554
Thu 8/106:45DMK - SEA
3 stops30h 21mMultiple Airlines
Fri 9/100:10SEA - DMK
2 stops25h 05mMultiple Airlines
Deal found 4/12฿35,330
Wed 14/117:15BKK - SEA
1 stop15h 55mEVA Air
Sat 21/200:10SEA - BKK
1 stop20h 00mEVA Air
Deal found 3/12฿29,089
Wed 14/122:25BKK - SEA
1 stop29h 55mMultiple Airlines
Sun 22/205:05SEA - BKK
2 stops28h 15mMultiple Airlines
Deal found 2/12฿29,569
Fri 16/102:35BKK - SEA
1 stop30h 35mChina Airlines
Sat 31/100:10SEA - BKK
1 stop34h 25mChina Airlines
Deal found 2/12฿25,057
Fri 16/114:25BKK - SEA
1 stop37h 55mANA
Fri 23/110:05SEA - BKK
2 stops29h 25mANA
Deal found 2/12฿25,665
Fri 16/116:55BKK - SEA
2 stops23h 04mUnited Airlines
Fri 23/112:35SEA - BKK
3 stops31h 50mUnited Airlines
Deal found 2/12฿25,921
Fri 16/116:05BKK - SEA
1 stop17h 05mEVA Air
Thu 22/100:10SEA - BKK
1 stop19h 35mEVA Air
Deal found 2/12฿28,865
Sat 17/109:10BKK - SEA
1 stop19h 10mANA
Sun 1/206:18SEA - BKK
2 stops27h 02mANA
Deal found 2/12฿29,409
Sun 18/114:05BKK - SEA
1 stop19h 05mChina Airlines
Sat 24/100:10SEA - BKK
1 stop34h 25mChina Airlines
Deal found 4/12฿25,025
Sun 18/116:25BKK - SEA
2 stops54h 35mMultiple Airlines
Sun 25/121:30SEA - BKK
1 stop34h 30mMultiple Airlines
Deal found 4/12฿28,193
One-way flights from Bangkok to Seattle
Search for one-way flight options from Bangkok to Seattle. Find affordable one-way fares based on user searches. Data last updated 4 December 2025.
Mon 22/1223:50BKK - SEA
1 stop33h 50mPhilippine Airlines
Deal found 3/12฿13,089
Wed 25/213:20BKK - SEA
1 stop20h 20mPhilippine Airlines
Deal found 3/12฿13,313
Wed 11/213:20BKK - SEA
1 stop20h 20mPhilippine Airlines
Deal found 3/12฿13,345
Wed 17/1211:10BKK - SEA
2 stops35h 55mไห่หนานแอร์ไลน์
Deal found 4/12฿13,377
Wed 17/1223:50BKK - SEA
1 stop33h 50mPhilippine Airlines
Deal found 3/12฿13,505
Wed 24/1218:45BKK - SEA
1 stop38h 55mPhilippine Airlines
Deal found 3/12฿13,601
Mon 19/116:20BKK - SEA
1 stop30h 40mไห่หนานแอร์ไลน์
Deal found 4/12฿13,633
Thu 25/1213:20BKK - SEA
1 stop20h 20mPhilippine Airlines
Deal found 3/12฿13,665
Thu 25/1219:30BKK - SEA
2 stops50h 37mMultiple Airlines
Deal found 3/12฿13,793
Tue 23/1219:30BKK - SEA
2 stops40h 11mMultiple Airlines
Deal found 3/12฿13,857
Mon 13/413:10BKK - SEA
1 stop17h 00mSTARLUX Airlines
Deal found 4/12฿13,889
Fri 19/1209:20DMK - SEA
2 stops24h 20mMultiple Airlines
Deal found 3/12฿14,561
Find 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 4 December 2025.
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 4 December 2025.
Use the filters below to find and compare flights from Bangkok to Seattle that are best for you.
Fly from
Bangkok
Fly to
Seattle
Route
Depart
Return
Price
BangkokSeattle
BKK - SEA
BKKSEA
Bangkok Suvarnabhumi
Wed 25/3
13:20-19:40
1 stop20h 20m
Seattle/Tacoma Intl
Tue 14/4
23:10-22:40
1 stop33h 30m
฿22,817
BangkokSeattle
BKK - SEA
BKKSEA
Bangkok Suvarnabhumi
Mon 23/3
18:45-19:40
1 stop38h 55m
Seattle/Tacoma Intl
Tue 14/4
23:10-12:10
1 stop23h 00m
฿22,817
BangkokSeattle
BKK - SEA
BKKSEA
Bangkok Suvarnabhumi
Tue 24/3
13:20-19:40
1 stop20h 20m
Seattle/Tacoma Intl
Thu 23/4
23:10-12:10
1 stop23h 00m
฿22,881
BangkokSeattle
BKK - SEA
BKKSEA
Bangkok Suvarnabhumi
Thu 26/3
13:20-19:40
1 stop20h 20m
Seattle/Tacoma Intl
Sun 12/4
23:10-18:30
1 stop29h 20m
฿23,137
BangkokSeattle
BKK - SEA
BKKSEA
Bangkok Suvarnabhumi
Wed 15/4
19:30-20:05
1 stop38h 35m
Seattle/Tacoma Intl
Tue 30/6
23:10-12:10
1 stop23h 00m
฿23,937
BangkokSeattle
BKK - SEA
BKKSEA
Bangkok Suvarnabhumi
Thu 12/3
23:50-19:40
1 stop33h 50m
Seattle/Tacoma Intl
Sun 15/3
22:30-23:00
1 stop34h 30m
฿23,969
BangkokSeattle
DMK - SEA
DMKSEA
Bangkok Don Mueang Intl
Tue 24/3
09:20-19:40
2 stops24h 20m
Seattle/Tacoma Intl
Wed 22/4
14:40-15:30
1 stop34h 50m
฿24,513
BangkokSeattle
BKK - SEA
BKKSEA
Bangkok Suvarnabhumi
Sun 31/5
01:20-14:55
1 stop27h 35m
Seattle/Tacoma Intl
Fri 31/7
00:10-23:10
1 stop33h 00m
฿24,641
BangkokSeattle
BKK - SEA
BKKSEA
Bangkok Suvarnabhumi
Fri 22/5
09:35-14:25
1 stop18h 50m
Seattle/Tacoma Intl
Tue 2/6
13:45-04:35
2 stops24h 50m
฿24,801
BangkokSeattle
BKK - SEA
BKKSEA
Bangkok Suvarnabhumi
Sun 18/1
14:05-18:10
1 stop19h 05m
Seattle/Tacoma Intl
Sat 24/1
00:10-01:35
1 stop34h 25m
฿25,025
Flights are sorted by cheapest return flights first.
Deals found on 3/12
Showing 1-10 of 37 results
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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.
Estimated return price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
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 28 November 2025.
The best time to book flights from Bangkok to Seattle is 65 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 month to book a flight from Bangkok to Seattle?
Currently, June is the cheapest month in which you can book a flight from Bangkok to Seattle (average of ฿19,969). Flying from Bangkok to Seattle in July is currently the most expensive (average of ฿23,073). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
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 4 December 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 28% 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. Monday at midday 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 4 December 2025.
Read through reviews of airlines operating flights from Bangkok to Seattle, such as STARLUX Airlines, EVA Air, andChina Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Starlux Airlines was amazing. No complaints on anything with them
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.
What airport do you fly into for flights to Seattle from Bangkok?
Located just 18.4 km from the city centre, Seattle/Tacoma Intl is the airport most travellers will use when flying to Seattle from Bangkok. Booking flights from Bangkok to Seattle/Tacoma Intl (SEA) should be relatively easy as there are 0 daily inbound flights from Bangkok from 7 different airlines.
How long is the flight from Bangkok to Seattle?
Philippine Airlines can get you from Bangkok to Seattle in just under 20h 20m. Your travel time can differ by up to . Bangkok and Seattle are separated by a distance of 11978 km.
What are the cheapest airlines flying from Bangkok to Seattle round-trip?
According to our current data, Philippine Airlines (฿20,547), STARLUX Airlines (฿23,622), and China Airlines (฿23,919) offers the cheapest pricing from Bangkok to Seattle. Philippine Airlines is priced at 28% lower than the current average price of a flight leaving 3 months from now.
What are the cheapest airlines to fly from Bangkok to Seattle one-way?
One-way options have recently been found by users for as low as ฿12,735 on Philippine Airlines. Other airlines that offer cheap prices include China Airlines from ฿14,962 and STARLUX Airlines from ฿15,610 one-way.
Can I find deals for flights from Bangkok to Seattle that include hotel bookings?
Yes. In addition to deals on Bangkok to Seattle flights, Cheapflights offers holiday packages that include both flights and hotel.
How can I find direct flights from Bangkok to Seattle?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Bangkok to Seattle.
Can I find deals for business class flights from Bangkok to Seattle?
Yes. Cheapflights offers flight deals from Bangkok to Seattle by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.
What is the cheapest month to book a flight from Bangkok to Seattle?
Currently, June is the cheapest month in which you can book a flight from Bangkok to Seattle (average of ฿19,969). Flying from Bangkok to Seattle in July is currently the most expensive (average of ฿23,073). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
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 4 December 2025.
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.
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