Cheap flights from Bangkok to Seattle from ฿13,038
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
5 Jan — 12 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 6 December 2025.
Fri 19/1212:45BKK - SEA
1 stop20h 25mEVA Air
Sat 10/123:30SEA - BKK
1 stop20h 40mEVA Air
Deal found 5/12฿24,196
Sat 20/1212:45BKK - SEA
1 stop20h 25mEVA Air
Sat 10/123:30SEA - BKK
1 stop20h 40mEVA Air
Deal found 4/12฿24,865
Sat 20/1216:55BKK - SEA
3 stops47h 04mUnited Airlines
Fri 9/119:30SEA - BKK
2 stops48h 55mUnited Airlines
Deal found 4/12฿25,822
Sat 20/1216:55BKK - SEA
3 stops47h 04mUnited Airlines
Sat 10/106:03SEA - BKK
2 stops38h 22mUnited Airlines
Deal found 4/12฿25,886
Fri 19/1216:55BKK - SEA
2 stops47h 04mUnited Airlines
Sat 10/106:03SEA - BKK
2 stops38h 22mUnited Airlines
Deal found 5/12฿26,077
Sat 20/1217:50BKK - SEA
1 stop15h 20mMultiple Airlines
Fri 9/115:45SEA - BKK
1 stop22h 25mMultiple Airlines
Deal found 4/12฿27,639
Thu 18/1201:30BKK - SEA
2 stops32h 20mMultiple Airlines
Sat 10/115:45SEA - BKK
1 stop22h 25mMultiple Airlines
Deal found 5/12฿27,671
Fri 19/1209:20DMK - SEA
2 stops24h 20mMultiple Airlines
Sat 10/110:05SEA - DMK
2 stops21h 00mMultiple Airlines
Deal found 5/12฿33,058
Sat 20/1206:15DMK - SEA
1 stop23h 50mMultiple Airlines
Fri 9/107:00SEA - DMK
2 stops27h 30mMultiple Airlines
Deal found 4/12฿39,402
Sat 20/1206:15DMK - SEA
1 stop23h 50mMultiple Airlines
Sat 10/107:00SEA - DMK
2 stops27h 30mMultiple Airlines
Deal found 4/12฿39,562
Tue 9/1202:00DMK - SEA
2 stops28h 05mMultiple Airlines
Sat 20/1200:10SEA - DMK
1 stop28h 40mMultiple Airlines
Deal found 4/12฿208,742
Sat 20/1206:15DMK - SEA
1 stop23h 50mMultiple Airlines
Fri 2/113:40SEA - DMK
2 stops30h 45mMultiple Airlines
Deal found 5/12฿234,054
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 6 December 2025.
Wed 4/313:20BKK - SEA
1 stop20h 20mPhilippine Airlines
Wed 4/321:30SEA - BKK
1 stop23h 30mPhilippine Airlines
Deal found 3/12฿21,550
Tue 24/309:20DMK - SEA
2 stops24h 20mMultiple Airlines
Wed 22/414:40SEA - DMK
1 stop34h 50mMultiple Airlines
Deal found 3/12฿24,419
Sun 31/501:20BKK - SEA
1 stop27h 35mAsiana Airlines
Fri 31/700:10SEA - BKK
1 stop33h 00mAsiana Airlines
Deal found 3/12฿24,547
Fri 22/509:35BKK - SEA
1 stop18h 50mANA
Tue 2/613:45SEA - BKK
2 stops24h 50mANA
Deal found 3/12฿24,706
Sun 18/114:05BKK - SEA
1 stop19h 05mChina Airlines
Sat 24/100:10SEA - BKK
1 stop34h 25mChina Airlines
Deal found 4/12฿24,929
Mon 1/609:35BKK - SEA
1 stop18h 50mUnited Airlines
Wed 16/908:35SEA - BKK
2 stops25h 20mUnited Airlines
Deal found 5/12฿25,120
Wed 15/419:30BKK - SEA
1 stop38h 35mPhilippine Airlines
Tue 30/623:10SEA - BKK
1 stop23h 00mPhilippine Airlines
Deal found 3/12฿23,845
Mon 1/609:35BKK - SEA
2 stops27h 46mUnited Airlines
Tue 1/908:35SEA - BKK
2 stops25h 20mUnited Airlines
Deal found 3/12฿25,407
Thu 12/323:50BKK - SEA
1 stop33h 50mPhilippine Airlines
Sun 15/322:30SEA - BKK
1 stop34h 30mPhilippine Airlines
Deal found 2/12฿23,877
Mon 19/122:00DMK - SEA
2 stops25h 00mMultiple Airlines
Sun 1/208:45SEA - DMK
1 stop23h 15mMultiple Airlines
Deal found 4/12฿31,432
Fri 19/1209:20DMK - SEA
2 stops24h 20mMultiple Airlines
Sat 10/110:05SEA - DMK
2 stops21h 00mMultiple Airlines
Deal found 5/12฿33,058
Thu 8/106:45DMK - SEA
3 stops30h 21mMultiple Airlines
Fri 9/100:10SEA - DMK
2 stops25h 05mMultiple Airlines
Deal found 4/12฿35,194
Sat 20/1206:15DMK - SEA
1 stop23h 50mMultiple Airlines
Fri 9/107:00SEA - DMK
2 stops27h 30mMultiple Airlines
Deal found 4/12฿39,402
Sat 20/1206:15DMK - SEA
1 stop23h 50mMultiple Airlines
Sat 10/107:00SEA - DMK
2 stops27h 30mMultiple Airlines
Deal found 4/12฿39,562
Tue 5/509:20DMK - SEA
2 stops24h 45mMultiple Airlines
Mon 25/500:10SEA - DMK
2 stops25h 55mMultiple Airlines
Deal found 5/12฿40,964
Last-minute flights from Bangkok to Seattle
Discover last-minute flight deals from Bangkok to Seattle. Data last updated 6 December 2025 and is based on user searches.
Wed 10/1213:20BKK - SEA
1 stop20h 20mPhilippine Airlines
Sun 21/1221:30SEA - BKK
1 stop29h 20mPhilippine Airlines
Deal found 3/12฿123,211
Wed 10/1218:45BKK - SEA
1 stop38h 55mMultiple Airlines
Sun 21/1217:59SEA - BKK
2 stops32h 51mMultiple Airlines
Deal found 3/12฿135,166
Wed 10/1216:55BKK - SEA
2 stops43h 05mUnited Airlines
Sun 21/1212:35SEA - BKK
2 stops55h 50mUnited Airlines
Deal found 3/12฿138,609
Fri 19/1209:20DMK - SEA
2 stops24h 20mMultiple Airlines
Sat 10/110:05SEA - DMK
2 stops21h 00mMultiple Airlines
Deal found 5/12฿33,058
Sat 20/1206:15DMK - SEA
1 stop23h 50mMultiple Airlines
Fri 9/107:00SEA - DMK
2 stops27h 30mMultiple Airlines
Deal found 4/12฿39,402
Sat 20/1206:15DMK - SEA
1 stop23h 50mMultiple Airlines
Sat 10/107:00SEA - DMK
2 stops27h 30mMultiple Airlines
Deal found 4/12฿39,562
Wed 7/120:10DMK - SEA
3 stops40h 48mMultiple Airlines
Tue 14/713:30SEA - DMK
1 stop35h 10mMultiple Airlines
Deal found 3/12฿47,946
Wed 7/102:30DMK - SEA
1 stop26h 15mMultiple Airlines
Sun 11/112:20SEA - DMK
1 stop23h 25mMultiple Airlines
Deal found 4/12฿48,360
Thu 8/106:45DMK - SEA
3 stops30h 21mMultiple Airlines
Fri 9/100:10SEA - DMK
2 stops25h 05mMultiple Airlines
Deal found 4/12฿35,194
Mon 19/122:00DMK - SEA
2 stops25h 00mMultiple Airlines
Sun 1/208:45SEA - DMK
1 stop23h 15mMultiple Airlines
Deal found 4/12฿31,432
Sat 24/109:20DMK - SEA
2 stops23h 50mMultiple Airlines
Thu 5/200:10SEA - DMK
2 stops32h 00mMultiple Airlines
Deal found 5/12฿35,035
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 6 December 2025.
Mon 22/1223:50BKK - SEA
1 stop33h 50mPhilippine Airlines
Deal found 3/12฿13,038
Tue 23/1218:45BKK - SEA
1 stop38h 55mPhilippine Airlines
Deal found 5/12฿13,070
Wed 25/213:20BKK - SEA
1 stop20h 20mPhilippine Airlines
Deal found 3/12฿13,262
Wed 11/213:20BKK - SEA
1 stop20h 20mPhilippine Airlines
Deal found 3/12฿13,293
Wed 17/1211:10BKK - SEA
2 stops35h 55mไห่หนานแอร์ไลน์
Deal found 4/12฿13,325
Thu 12/213:20BKK - SEA
1 stop20h 20mPhilippine Airlines
Deal found 4/12฿13,357
Thu 12/209:20DMK - SEA
2 stops24h 20mMultiple Airlines
Deal found 4/12฿13,357
Wed 17/1218:45BKK - SEA
1 stop38h 55mPhilippine Airlines
Deal found 5/12฿13,389
Thu 14/509:20DMK - SEA
2 stops24h 45mMultiple Airlines
Deal found 5/12฿13,453
Wed 24/1218:45BKK - SEA
1 stop38h 55mPhilippine Airlines
Deal found 3/12฿13,548
Mon 19/116:20BKK - SEA
1 stop30h 40mไห่หนานแอร์ไลน์
Deal found 4/12฿13,580
Thu 25/1213:20BKK - SEA
1 stop20h 20mPhilippine Airlines
Deal found 3/12฿13,612
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 6 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 6 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 4/3
13:20-18:40
1 stop20h 20m
Seattle/Tacoma Intl
Wed 4/3
21:30-12:00
1 stop23h 30m
฿21,550
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
฿23,845
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
฿23,877
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
฿24,419
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
฿24,547
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
฿24,706
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
฿24,929
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
฿25,120
BangkokSeattle
BKK - SEA
BKKSEA
Bangkok Suvarnabhumi
Mon 1/6
09:35-23:21
2 stops27h 46m
Seattle/Tacoma Intl
Tue 1/9
08:35-23:55
2 stops25h 20m
฿25,407
BangkokSeattle
DMK - SEA
DMKSEA
Bangkok Don Mueang Intl
Mon 19/1
22:00-08:00
2 stops25h 00m
Seattle/Tacoma Intl
Sun 1/2
08:45-23:00
1 stop23h 15m
฿31,432
Flights are sorted by cheapest return flights first.
Deals found on 3/12
Showing 1-10 of 38 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 5 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 ฿19,892). Flying from Bangkok to Seattle in July is currently the most expensive (average of ฿25,503). 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 6 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 6 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 (฿20,468), STARLUX Airlines (฿23,531), and China Airlines (฿23,828) 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 ฿12,686 on Philippine Airlines. Other airlines that offer cheap prices include China Airlines from ฿14,904 and STARLUX Airlines from ฿15,550 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 ฿19,892). Flying from Bangkok to Seattle in July is currently the most expensive (average of ฿25,503). 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 6 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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