Cheap flights from Bangkok to Seattle from ฿13,308
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 18/11. Fares are subject to change and may not be available on all flights or dates of travel.
BKK — SEA
5 Dec — 12 Dec1
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 1 days in advance, depart on a Monday or Thursday and return on a Tuesday
Find 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 5 November 2025.
Thu 13/1118:45BKK - SEA
1 stop38h 55mPhilippine Airlines
Fri 21/1121:30SEA - BKK
1 stop34h 30mPhilippine Airlines
Deal found 4/11฿21,508
Sun 23/1113:20BKK - SEA
1 stop20h 20mPhilippine Airlines
Sun 7/1221:30SEA - BKK
1 stop34h 30mPhilippine Airlines
Deal found 2/11฿24,664
Sat 22/1102:15BKK - SEA
1 stop30h 55mEVA Air
Sat 6/1200:10SEA - BKK
1 stop21h 25mEVA Air
Deal found 2/11฿25,640
Sat 6/1217:15BKK - SEA
1 stop15h 55mEVA Air
Tue 23/1200:10SEA - BKK
1 stop32h 30mEVA Air
Deal found 3/11฿26,128
Sat 13/1223:50BKK - SEA
1 stop33h 50mPhilippine Airlines
Fri 2/121:30SEA - BKK
1 stop23h 30mPhilippine Airlines
Deal found 3/11฿27,202
Sun 23/1113:20BKK - SEA
1 stop20h 20mMultiple Airlines
Sun 7/1214:25SEA - BKK
2 stops40h 00mMultiple Airlines
Deal found 2/11฿27,300
Sun 23/1123:55BKK - SEA
1 stop29h 00mAsiana Airlines
Sat 6/1200:10SEA - BKK
1 stop20h 05mAsiana Airlines
Deal found 2/11฿28,243
Sat 13/1214:40BKK - SEA
1 stop18h 30mEVA Air
Sat 3/123:30SEA - BKK
1 stop22h 05mEVA Air
Deal found 3/11฿28,536
Sat 6/1217:15BKK - SEA
1 stop15h 55mMultiple Airlines
Wed 24/1219:23SEA - BKK
2 stops24h 47mMultiple Airlines
Deal found 3/11฿29,219
Fri 5/1217:40BKK - SEA
1 stop36h 25mSTARLUX Airlines
Sat 27/1223:45SEA - BKK
1 stop21h 50mSTARLUX Airlines
Deal found 3/11฿29,252
Mon 17/1122:00DMK - SEA
2 stops25h 00mMultiple Airlines
Thu 20/1110:05SEA - DMK
1 stop27h 55mMultiple Airlines
Deal found 3/11฿32,994
Fri 5/1218:55DMK - SEA
2 stops28h 05mMultiple Airlines
Sat 27/1210:00SEA - DMK
2 stops25h 40mMultiple Airlines
Deal found 3/11฿37,647
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 5 November 2025.
Wed 25/318:45BKK - SEA
1 stop38h 55mPhilippine Airlines
Wed 15/423:55SEA - BKK
1 stop22h 10mPhilippine Airlines
Deal found 3/11฿23,037
Tue 9/1223:50BKK - SEA
1 stop33h 50mMultiple Airlines
Wed 31/1207:13SEA - BKK
2 stops26h 42mMultiple Airlines
Deal found 4/11฿24,599
Tue 10/216:55BKK - SEA
2 stops33h 46mUnited Airlines
Tue 10/316:45SEA - BKK
1 stop22h 25mUnited Airlines
Deal found 4/11฿25,770
Wed 25/302:35BKK - SEA
1 stop30h 35mChina Airlines
Sun 29/301:10SEA - BKK
1 stop34h 15mChina Airlines
Deal found 4/11฿26,388
Wed 25/323:50BKK - SEA
1 stop33h 50mPhilippine Airlines
Fri 17/423:55SEA - BKK
1 stop22h 10mPhilippine Airlines
Deal found 3/11฿26,258
Tue 17/316:55BKK - SEA
2 stops22h 01mUnited Airlines
Tue 7/406:57SEA - BKK
2 stops36h 48mUnited Airlines
Deal found 3/11฿26,551
Tue 24/314:05BKK - SEA
1 stop19h 05mChina Airlines
Thu 16/401:10SEA - BKK
1 stop18h 35mChina Airlines
Deal found 3/11฿26,811
Mon 17/1111:50DMK - SEA
1 stop37h 50mMultiple Airlines
Thu 20/1110:05SEA - DMK
1 stop27h 55mMultiple Airlines
Deal found 3/11฿34,523
Sun 3/505:30DMK - SEA
3 stops27h 06mMultiple Airlines
Fri 8/500:10SEA - DMK
2 stops31h 35mMultiple Airlines
Deal found 3/11฿37,419
Fri 5/1218:55DMK - SEA
2 stops28h 05mMultiple Airlines
Sat 27/1210:00SEA - DMK
2 stops25h 40mMultiple Airlines
Deal found 3/11฿37,647
Sat 22/1103:10DMK - SEA
2 stops22h 30mMultiple Airlines
Sun 7/1215:40SEA - DMK
1 stop32h 05mMultiple Airlines
Deal found 2/11฿39,599
Sun 5/407:25DMK - SEA
1 stop26h 05mMultiple Airlines
Sun 12/410:15SEA - DMK
1 stop22h 45mMultiple Airlines
Deal found 4/11฿42,235
Last-minute flights from Bangkok to Seattle
Discover last-minute flight deals from Bangkok to Seattle. Data last updated 5 November 2025 and is based on user searches.
Thu 13/1118:45BKK - SEA
1 stop38h 55mPhilippine Airlines
Fri 21/1121:30SEA - BKK
1 stop34h 30mPhilippine Airlines
Deal found 4/11฿21,508
Thu 13/1120:45DMK - SEA
2 stops25h 25mMultiple Airlines
Fri 21/1121:30SEA - DMK
1 stop33h 40mMultiple Airlines
Deal found 4/11฿39,404
Mon 17/1122:00DMK - SEA
2 stops25h 00mMultiple Airlines
Thu 20/1110:05SEA - DMK
1 stop27h 55mMultiple Airlines
Deal found 3/11฿32,994
Sat 22/1102:15BKK - SEA
1 stop30h 55mEVA Air
Sat 6/1200:10SEA - BKK
1 stop21h 25mEVA Air
Deal found 2/11฿25,640
Sat 22/1103:10DMK - SEA
2 stops22h 30mMultiple Airlines
Sun 7/1215:40SEA - DMK
1 stop32h 05mMultiple Airlines
Deal found 2/11฿39,599
Sun 23/1113:20BKK - SEA
1 stop20h 20mPhilippine Airlines
Sun 7/1221:30SEA - BKK
1 stop34h 30mPhilippine Airlines
Deal found 2/11฿24,664
Sun 23/1113:20BKK - SEA
1 stop20h 20mMultiple Airlines
Sun 7/1214:25SEA - BKK
2 stops40h 00mMultiple Airlines
Deal found 2/11฿27,300
Fri 5/1218:55DMK - SEA
2 stops28h 05mMultiple Airlines
Sat 27/1210:00SEA - DMK
2 stops25h 40mMultiple Airlines
Deal found 3/11฿37,647
Sat 6/1217:15BKK - SEA
1 stop15h 55mEVA Air
Tue 23/1200:10SEA - BKK
1 stop32h 30mEVA Air
Deal found 3/11฿26,128
Tue 9/1218:45BKK - SEA
1 stop38h 55mPhilippine Airlines
Wed 31/1221:30SEA - BKK
1 stop23h 30mPhilippine Airlines
Deal found 4/11฿20,499
Tue 9/1223:50BKK - SEA
1 stop33h 50mMultiple Airlines
Wed 31/1207:13SEA - BKK
2 stops26h 42mMultiple Airlines
Deal found 4/11฿24,599
Sat 13/1223:50BKK - SEA
1 stop33h 50mPhilippine Airlines
Fri 2/121:30SEA - BKK
1 stop23h 30mPhilippine Airlines
Deal found 3/11฿27,202
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 5 November 2025.
Tue 18/1118:45BKK - SEA
1 stop38h 55mPhilippine Airlines
Deal found 4/11฿13,308
Tue 24/309:20DMK - SEA
2 stops24h 20mMultiple Airlines
Deal found 1/11฿13,341
Mon 1/1218:20BKK - SEA
2 stops29h 43mMultiple Airlines
Deal found 4/11฿13,471
Mon 19/123:50BKK - SEA
1 stop33h 50mPhilippine Airlines
Deal found 3/11฿13,503
Sat 20/1223:50BKK - SEA
1 stop33h 50mPhilippine Airlines
Deal found 2/11฿13,536
Fri 14/1113:20BKK - SEA
1 stop20h 20mPhilippine Airlines
Deal found 4/11฿13,568
Wed 17/1211:10BKK - SEA
2 stops35h 55mไห่หนานแอร์ไลน์
Deal found 2/11฿13,633
Tue 17/308:45DMK - SEA
2 stops24h 55mMultiple Airlines
Deal found 2/11฿13,633
Wed 17/1218:45BKK - SEA
1 stop38h 55mPhilippine Airlines
Deal found 4/11฿13,699
Tue 27/109:20DMK - SEA
2 stops24h 20mMultiple Airlines
Deal found 4/11฿13,796
Thu 15/113:20BKK - SEA
1 stop20h 20mPhilippine Airlines
Deal found 3/11฿13,829
Sun 23/1120:40DMK - SEA
3 stops49h 22mMultiple Airlines
Deal found 3/11฿13,894
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 5 November 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 5 November 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
18:45-19:40
1 stop38h 55m
Seattle/Tacoma Intl
Wed 15/4
23:55-12:05
1 stop22h 10m
฿23,037
BangkokSeattle
BKK - SEA
BKKSEA
Bangkok Suvarnabhumi
Tue 9/12
23:50-18:40
1 stop33h 50m
Seattle/Tacoma Intl
Wed 31/12
07:13-00:55
2 stops26h 42m
฿24,599
BangkokSeattle
BKK - SEA
BKKSEA
Bangkok Suvarnabhumi
Tue 10/2
16:55-11:41
2 stops33h 46m
Seattle/Tacoma Intl
Tue 10/3
16:45-05:10
1 stop22h 25m
฿25,770
BangkokSeattle
BKK - SEA
BKKSEA
Bangkok Suvarnabhumi
Wed 25/3
23:50-19:40
1 stop33h 50m
Seattle/Tacoma Intl
Fri 17/4
23:55-12:05
1 stop22h 10m
฿26,258
BangkokSeattle
BKK - SEA
BKKSEA
Bangkok Suvarnabhumi
Wed 25/3
02:35-19:10
1 stop30h 35m
Seattle/Tacoma Intl
Sun 29/3
01:10-01:25
1 stop34h 15m
฿26,388
BangkokSeattle
BKK - SEA
BKKSEA
Bangkok Suvarnabhumi
Tue 17/3
16:55-00:56
2 stops22h 01m
Seattle/Tacoma Intl
Tue 7/4
06:57-09:45
2 stops36h 48m
฿26,551
BangkokSeattle
BKK - SEA
BKKSEA
Bangkok Suvarnabhumi
Tue 24/3
14:05-19:10
1 stop19h 05m
Seattle/Tacoma Intl
Thu 16/4
01:10-09:45
1 stop18h 35m
฿26,811
BangkokSeattle
DMK - SEA
DMKSEA
Bangkok Don Mueang Intl
Mon 17/11
11:50-10:40
1 stop37h 50m
Seattle/Tacoma Intl
Thu 20/11
10:05-05:00
1 stop27h 55m
฿34,523
BangkokSeattle
DMK - SEA
DMKSEA
Bangkok Don Mueang Intl
Sun 3/5
05:30-18:36
3 stops27h 06m
Seattle/Tacoma Intl
Fri 8/5
00:10-21:45
2 stops31h 35m
฿37,419
BangkokSeattle
DMK - SEA
DMKSEA
Bangkok Don Mueang Intl
Fri 5/12
18:55-08:00
2 stops28h 05m
Seattle/Tacoma Intl
Sat 27/12
10:00-02:40
2 stops25h 40m
฿37,647
Flights are sorted by cheapest return flights first.
Deals found on 2/11
Showing 1-10 of 34 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
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 ฿20,304). Flying from Bangkok to Seattle in July is currently the most expensive (average of ฿25,412). 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 5 November 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 5 November 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.
Superb service! My second time flying with Starlux to Clark. Will definately fly this route with them again!
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, China Airlines, and United Airlines can get you from Bangkok to Seattle in just under 30h 35m. Your travel time can differ by up to 8h 20m. Bangkok and Seattle are separated by a distance of 11978 km. Both multi-stop and direct flights can be found to your destination and back.
What are the cheapest airlines flying from Bangkok to Seattle round-trip?
According to our current data, Philippine Airlines (฿20,892), Asiana Airlines (฿22,330), and STARLUX Airlines (฿24,018) 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.
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 ฿20,304). Flying from Bangkok to Seattle in July is currently the most expensive (average of ฿25,412). 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 5 November 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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