Cheap flights from Bangkok to Seattle from ฿13,374
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 17/4. Fares are subject to change and may not be available on all flights or dates of travel.
BKK — SEA
15 Jan — 22 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 December, 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 16 December 2025.
Thu 25/1213:20BKK - SEA
1 stop20h 20mPhilippine Airlines
Thu 22/121:30SEA - BKK
1 stop34h 30mPhilippine Airlines
Deal found 15/12฿21,115
Sat 20/1214:05BKK - SEA
1 stop19h 05mChina Airlines
Sat 27/1200:10SEA - BKK
1 stop21h 55mChina Airlines
Deal found 16/12฿24,828
Mon 22/1217:15BKK - SEA
1 stop15h 55mEVA Air
Sat 3/123:30SEA - BKK
1 stop20h 40mEVA Air
Deal found 16/12฿24,891
Thu 25/1223:50BKK - SEA
1 stop33h 50mMultiple Airlines
Thu 22/110:05SEA - BKK
2 stops33h 00mMultiple Airlines
Deal found 15/12฿25,457
Mon 22/1218:45BKK - SEA
1 stop38h 55mMultiple Airlines
Sat 3/119:55SEA - BKK
2 stops23h 45mMultiple Airlines
Deal found 16/12฿29,233
Fri 19/1217:40BKK - SEA
1 stop36h 25mSTARLUX Airlines
Thu 25/1223:45SEA - BKK
1 stop21h 50mSTARLUX Airlines
Deal found 15/12฿31,090
Sat 20/1217:40BKK - SEA
2 stops30h 22mCathay Pacific
Sun 28/1217:45SEA - BKK
2 stops26h 30mCathay Pacific
Deal found 16/12฿32,883
Fri 19/1207:55BKK - SEA
2 stops25h 55mCathay Pacific
Thu 25/1223:10SEA - BKK
2 stops34h 05mCathay Pacific
Deal found 15/12฿32,978
Sat 20/1212:45BKK - SEA
1 stop20h 25mMultiple Airlines
Sun 28/1221:35SEA - BKK
2 stops35h 05mMultiple Airlines
Deal found 16/12฿33,639
Sun 28/1222:25BKK - SEA
1 stop29h 55mMultiple Airlines
Sat 3/123:30SEA - BKK
1 stop21h 00mMultiple Airlines
Deal found 15/12฿35,715
Sat 27/1203:45DMK - SEA
1 stop25h 00mMultiple Airlines
Sat 3/115:45SEA - DMK
2 stops39h 20mMultiple Airlines
Deal found 15/12฿42,324
Fri 19/1223:50DMK - SEA
1 stop25h 45mMultiple Airlines
Thu 25/1213:40SEA - DMK
2 stops24h 10mMultiple Airlines
Deal found 15/12฿47,421
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 16 December 2025.
Wed 20/519:30BKK - SEA
1 stop38h 35mPhilippine Airlines
Thu 21/523:10SEA - BKK
1 stop29h 20mPhilippine Airlines
Deal found 15/12฿22,625
Mon 27/409:35BKK - SEA
1 stop18h 50mUnited Airlines
Tue 8/905:15SEA - BKK
2 stops28h 40mUnited Airlines
Deal found 14/12฿24,859
Mon 16/313:45BKK - SEA
1 stop16h 20mSTARLUX Airlines
Mon 20/401:15SEA - BKK
1 stop20h 45mSTARLUX Airlines
Deal found 15/12฿24,891
Mon 20/409:20DMK - SEA
2 stops24h 10mMultiple Airlines
Sun 30/800:10SEA - DMK
2 stops32h 00mMultiple Airlines
Deal found 14/12฿31,751
Tue 19/513:25BKK - SEA
1 stop20h 40mPhilippine Airlines
Thu 21/523:10SEA - BKK
1 stop29h 20mPhilippine Airlines
Deal found 15/12฿22,625
Mon 27/409:35BKK - SEA
1 stop18h 50mUnited Airlines
Fri 11/908:35SEA - BKK
2 stops25h 20mUnited Airlines
Deal found 14/12฿24,859
Thu 26/313:20BKK - SEA
1 stop20h 20mPhilippine Airlines
Tue 7/423:10SEA - BKK
1 stop29h 20mPhilippine Airlines
Deal found 16/12฿22,782
Mon 27/409:35BKK - SEA
1 stop18h 50mUnited Airlines
Mon 7/906:30SEA - BKK
2 stops27h 25mUnited Airlines
Deal found 14/12฿24,859
Fri 27/313:20BKK - SEA
1 stop20h 20mPhilippine Airlines
Tue 7/423:10SEA - BKK
1 stop33h 30mPhilippine Airlines
Deal found 16/12฿22,782
Mon 1/609:35BKK - SEA
1 stop18h 50mUnited Airlines
Wed 16/908:35SEA - BKK
2 stops25h 20mUnited Airlines
Deal found 14/12฿24,859
Thu 19/313:20BKK - SEA
1 stop20h 20mPhilippine Airlines
Thu 23/423:10SEA - BKK
1 stop23h 00mPhilippine Airlines
Deal found 15/12฿23,789
Mon 26/109:20DMK - SEA
2 stops48h 20mMultiple Airlines
Fri 22/500:10SEA - DMK
1 stop25h 20mMultiple Airlines
Deal found 15/12฿32,600
Tue 28/409:35BKK - SEA
1 stop18h 50mUnited Airlines
Mon 7/906:30SEA - BKK
2 stops27h 25mUnited Airlines
Deal found 14/12฿24,859
Thu 5/218:45DMK - SEA
2 stops27h 25mMultiple Airlines
Thu 19/221:30SEA - DMK
1 stop23h 10mMultiple Airlines
Deal found 15/12฿32,600
Sun 18/108:45DMK - SEA
2 stops24h 25mMultiple Airlines
Mon 23/200:10SEA - DMK
2 stops25h 05mMultiple Airlines
Deal found 15/12฿33,009
Fri 27/209:20DMK - SEA
2 stops24h 56mMultiple Airlines
Fri 6/300:10SEA - DMK
2 stops25h 05mMultiple Airlines
Deal found 16/12฿34,174
Mon 1/617:15DMK - SEA
2 stops31h 20mMultiple Airlines
Sat 1/813:30SEA - DMK
1 stop23h 10mMultiple Airlines
Deal found 14/12฿37,131
Sat 27/1203:45DMK - SEA
1 stop25h 00mMultiple Airlines
Sat 3/115:45SEA - DMK
2 stops39h 20mMultiple Airlines
Deal found 15/12฿42,324
Last-minute flights from Bangkok to Seattle
Discover last-minute flight deals from Bangkok to Seattle. Data last updated 16 December 2025 and is based on user searches.
Sat 20/1214:05BKK - SEA
1 stop19h 05mChina Airlines
Sat 27/1200:10SEA - BKK
1 stop21h 55mChina Airlines
Deal found 16/12฿24,828
Mon 22/1217:15BKK - SEA
1 stop15h 55mEVA Air
Sat 3/123:30SEA - BKK
1 stop20h 40mEVA Air
Deal found 16/12฿24,891
Thu 25/1213:20BKK - SEA
1 stop20h 20mPhilippine Airlines
Thu 22/121:30SEA - BKK
1 stop34h 30mPhilippine Airlines
Deal found 15/12฿21,115
Thu 25/1223:50BKK - SEA
1 stop33h 50mMultiple Airlines
Thu 22/110:05SEA - BKK
2 stops33h 00mMultiple Airlines
Deal found 15/12฿25,457
Tue 13/117:40BKK - SEA
1 stop36h 25mSTARLUX Airlines
Tue 20/123:45SEA - BKK
1 stop25h 45mSTARLUX Airlines
Deal found 15/12฿22,562
Wed 14/113:45BKK - SEA
1 stop16h 20mSTARLUX Airlines
Wed 21/123:45SEA - BKK
1 stop25h 45mSTARLUX Airlines
Deal found 14/12฿22,531
Wed 14/117:15BKK - SEA
1 stop15h 55mEVA Air
Sat 21/200:10SEA - BKK
1 stop20h 20mEVA Air
Deal found 15/12฿24,985
Sun 18/110:55BKK - SEA
1 stop22h 15mChina Airlines
Mon 23/200:10SEA - BKK
1 stop18h 40mChina Airlines
Deal found 13/12฿24,765
Sun 18/108:45DMK - SEA
2 stops24h 25mMultiple Airlines
Mon 23/200:10SEA - DMK
2 stops25h 05mMultiple Airlines
Deal found 15/12฿33,009
Mon 26/114:25BKK - SEA
1 stop37h 55mANA
Sat 23/516:30SEA - BKK
1 stop22h 05mANA
Deal found 15/12฿24,922
Mon 26/109:20DMK - SEA
2 stops48h 20mMultiple Airlines
Fri 22/500:10SEA - DMK
1 stop25h 20mMultiple Airlines
Deal found 15/12฿32,600
Wed 28/123:50BKK - SEA
1 stop33h 50mPhilippine Airlines
Wed 4/221:30SEA - BKK
1 stop29h 20mPhilippine Airlines
Deal found 13/12฿21,555
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 16 December 2025.
Fri 17/400:40BKK - SEA
1 stop22h 20mไห่หนานแอร์ไลน์
Deal found 15/12฿13,374
Fri 27/201:05BKK - SEA
1 stop21h 55mไห่หนานแอร์ไลน์
Deal found 16/12฿13,405
Wed 31/1213:20BKK - SEA
1 stop20h 20mPhilippine Airlines
Deal found 15/12฿13,437
Thu 29/117:40BKK - SEA
1 stop36h 25mSTARLUX Airlines
Deal found 16/12฿13,468
Fri 26/1213:20BKK - SEA
1 stop20h 20mPhilippine Airlines
Deal found 16/12฿13,562
Thu 25/1213:20BKK - SEA
1 stop20h 20mPhilippine Airlines
Deal found 16/12฿13,625
Thu 22/118:45BKK - SEA
1 stop38h 55mPhilippine Airlines
Deal found 15/12฿13,720
Wed 14/117:40BKK - SEA
1 stop36h 25mSTARLUX Airlines
Deal found 15/12฿13,751
Wed 13/519:20BKK - SEA
2 stops27h 45mไห่หนานแอร์ไลน์
Deal found 15/12฿13,783
Tue 13/117:40BKK - SEA
1 stop36h 25mSTARLUX Airlines
Deal found 15/12฿13,940
Wed 13/523:40BKK - SEA
1 stop34h 25mPhilippine Airlines
Deal found 15/12฿13,972
Tue 10/209:20DMK - SEA
2 stops24h 20mMultiple Airlines
Deal found 15/12฿14,381
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 16 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 16 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 20/5
19:30-20:05
1 stop38h 35m
Seattle/Tacoma Intl
Thu 21/5
23:10-18:30
1 stop29h 20m
฿22,625
BangkokSeattle
BKK - SEA
BKKSEA
Bangkok Suvarnabhumi
Tue 19/5
13:25-20:05
1 stop20h 40m
Seattle/Tacoma Intl
Thu 21/5
23:10-18:30
1 stop29h 20m
฿22,625
BangkokSeattle
BKK - SEA
BKKSEA
Bangkok Suvarnabhumi
Thu 26/3
13:20-19:40
1 stop20h 20m
Seattle/Tacoma Intl
Tue 7/4
23:10-18:30
1 stop29h 20m
฿22,782
BangkokSeattle
BKK - SEA
BKKSEA
Bangkok Suvarnabhumi
Fri 27/3
13:20-19:40
1 stop20h 20m
Seattle/Tacoma Intl
Tue 7/4
23:10-22:40
1 stop33h 30m
฿22,782
BangkokSeattle
BKK - SEA
BKKSEA
Bangkok Suvarnabhumi
Thu 19/3
13:20-19:40
1 stop20h 20m
Seattle/Tacoma Intl
Thu 23/4
23:10-12:10
1 stop23h 00m
฿23,789
BangkokSeattle
BKK - SEA
BKKSEA
Bangkok Suvarnabhumi
Mon 27/4
09:35-14:25
1 stop18h 50m
Seattle/Tacoma Intl
Tue 8/9
05:15-23:55
2 stops28h 40m
฿24,859
BangkokSeattle
BKK - SEA
BKKSEA
Bangkok Suvarnabhumi
Mon 27/4
09:35-14:25
1 stop18h 50m
Seattle/Tacoma Intl
Fri 11/9
08:35-23:55
2 stops25h 20m
฿24,859
BangkokSeattle
BKK - SEA
BKKSEA
Bangkok Suvarnabhumi
Mon 27/4
09:35-14:25
1 stop18h 50m
Seattle/Tacoma Intl
Mon 7/9
06:30-23:55
2 stops27h 25m
฿24,859
BangkokSeattle
BKK - SEA
BKKSEA
Bangkok Suvarnabhumi
Mon 1/6
09:35-14:25
1 stop18h 50m
Seattle/Tacoma Intl
Wed 16/9
08:35-23:55
2 stops25h 20m
฿24,859
BangkokSeattle
BKK - SEA
BKKSEA
Bangkok Suvarnabhumi
Tue 28/4
09:35-14:25
1 stop18h 50m
Seattle/Tacoma Intl
Mon 7/9
06:30-23:55
2 stops27h 25m
฿24,859
Flights are sorted by cheapest return flights first.
Deals found on 16/12
Showing 1-10 of 41 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 12 December 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 ฿19,636). Flying from Bangkok to Seattle in July is currently the most expensive (average of ฿25,174). 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 16 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.
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 16 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 38h 35m. 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 (฿20,204), STARLUX Airlines (฿23,227), and China Airlines (฿23,520) offers the cheapest pricing from Bangkok to Seattle. Philippine Airlines is priced at 27% 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 ฿12,522 on Philippine Airlines. Other airlines that offer cheap prices include China Airlines from ฿14,712 and STARLUX Airlines from ฿15,350 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 ฿19,636). Flying from Bangkok to Seattle in July is currently the most expensive (average of ฿25,174). 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 16 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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