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 27/1. Fares are subject to change and may not be available on all flights or dates of travel.
BKK — SEA
20 Jan — 27 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 21 December 2025.
Thu 25/1213:20BKK - SEA
1 stop20h 20mPhilippine Airlines
Thu 22/121:30SEA - BKK
1 stop34h 30mPhilippine Airlines
Deal found 21/12฿21,411
Thu 25/1217:15BKK - SEA
1 stop15h 15mEVA Air
Thu 22/117:59SEA - BKK
2 stops25h 46mEVA Air
Deal found 21/12฿27,471
Thu 25/1207:55BKK - SEA
2 stops25h 55mCathay Pacific
Thu 22/117:45SEA - BKK
2 stops26h 30mCathay Pacific
Deal found 21/12฿28,255
Wed 31/1208:05BKK - SEA
1 stop16h 45mJapan Airlines
Tue 1/1211:50SEA - BKK
1 stop20h 45mJapan Airlines
Deal found 20/12฿58,049
Wed 31/1208:05BKK - SEA
1 stop16h 45mJapan Airlines
Mon 30/1111:50SEA - BKK
1 stop20h 45mJapan Airlines
Deal found 20/12฿60,906
Wed 31/1208:05BKK - SEA
1 stop16h 45mJapan Airlines
Thu 26/1111:50SEA - BKK
1 stop20h 45mJapan Airlines
Deal found 20/12฿64,768
Wed 31/1208:05BKK - SEA
1 stop16h 45mJapan Airlines
Fri 27/1111:50SEA - BKK
1 stop20h 45mJapan Airlines
Deal found 20/12฿68,472
Wed 31/1218:40BKK - SEA
2 stops37h 15mบริติชแอร์เวย์
Tue 1/1218:50SEA - BKK
2 stops37h 20mบริติชแอร์เวย์
Deal found 20/12฿99,836
Wed 31/1218:40BKK - SEA
2 stops37h 15mบริติชแอร์เวย์
Thu 26/1118:50SEA - BKK
2 stops37h 20mบริติชแอร์เวย์
Deal found 20/12฿104,545
Tue 23/1213:20BKK - SEA
1 stop20h 20mPhilippine Airlines
Thu 15/121:30SEA - BKK
1 stop23h 30mPhilippine Airlines
Deal found 21/12฿112,519
Thu 25/1210:55BKK - SEA
1 stop22h 15mChina Airlines
Sun 4/100:10SEA - BKK
1 stop21h 55mChina Airlines
Deal found 21/12฿117,511
Mon 22/1223:50BKK - SEA
1 stop33h 50mPhilippine Airlines
Fri 30/121:30SEA - BKK
1 stop23h 30mPhilippine Airlines
Deal found 21/12฿118,233
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 21 December 2025.
Sat 21/323:50BKK - SEA
1 stop33h 50mPhilippine Airlines
Thu 9/423:10SEA - BKK
1 stop29h 20mPhilippine Airlines
Deal found 19/12฿23,578
Mon 26/116:55BKK - SEA
2 stops38h 34mUnited Airlines
Mon 25/516:30SEA - BKK
1 stop22h 05mUnited Airlines
Deal found 19/12฿25,398
Thu 5/321:30BKK - SEA
1 stop26h 30mKorean Air
Sun 8/312:00SEA - BKK
1 stop22h 45mKorean Air
Deal found 19/12฿25,807
Sun 22/303:40DMK - SEA
1 stop25h 15mMultiple Airlines
Tue 7/400:10SEA - DMK
1 stop25h 20mMultiple Airlines
Deal found 21/12฿31,081
Sat 21/323:50BKK - SEA
1 stop33h 50mPhilippine Airlines
Sun 12/423:10SEA - BKK
1 stop29h 20mPhilippine Airlines
Deal found 19/12฿23,578
Thu 5/316:55BKK - SEA
2 stops21h 33mUnited Airlines
Sun 8/307:10SEA - BKK
2 stops27h 10mUnited Airlines
Deal found 19/12฿25,775
Sat 21/323:50BKK - SEA
1 stop33h 50mPhilippine Airlines
Tue 7/423:10SEA - BKK
1 stop33h 30mPhilippine Airlines
Deal found 19/12฿23,578
Sat 21/323:50BKK - SEA
1 stop33h 50mPhilippine Airlines
Fri 10/423:10SEA - BKK
1 stop23h 00mPhilippine Airlines
Deal found 21/12฿23,609
Sun 22/303:40DMK - SEA
1 stop25h 15mMultiple Airlines
Thu 9/400:10SEA - DMK
1 stop25h 20mMultiple Airlines
Deal found 21/12฿31,175
Wed 4/313:20BKK - SEA
1 stop20h 20mPhilippine Airlines
Wed 4/323:08SEA - BKK
2 stops45h 52mPhilippine Airlines
Deal found 21/12฿24,990
Mon 18/521:50DMK - SEA
2 stops25h 10mMultiple Airlines
Tue 1/923:10SEA - DMK
1 stop22h 15mMultiple Airlines
Deal found 19/12฿32,337
Sun 22/303:40DMK - SEA
1 stop25h 15mMultiple Airlines
Fri 3/400:10SEA - DMK
1 stop25h 20mMultiple Airlines
Deal found 21/12฿33,561
Mon 18/521:50DMK - SEA
2 stops25h 10mMultiple Airlines
Thu 27/823:10SEA - DMK
1 stop22h 15mMultiple Airlines
Deal found 19/12฿33,655
Fri 29/519:05DMK - SEA
2 stops29h 05mMultiple Airlines
Thu 27/823:10SEA - DMK
1 stop22h 15mMultiple Airlines
Deal found 19/12฿34,754
Wed 10/621:50DMK - SEA
2 stops26h 45mMultiple Airlines
Fri 7/823:10SEA - DMK
1 stop22h 15mMultiple Airlines
Deal found 21/12฿35,508
Sat 17/102:35DMK - SEA
1 stop23h 05mMultiple Airlines
Sun 25/112:20SEA - DMK
1 stop23h 25mMultiple Airlines
Deal found 21/12฿37,109
Mon 25/522:00DMK - SEA
2 stops26h 10mMultiple Airlines
Mon 29/600:10SEA - DMK
1 stop25h 20mMultiple Airlines
Deal found 21/12฿44,706
Sun 24/503:00DMK - SEA
2 stops21h 10mMultiple Airlines
Mon 25/513:30SEA - DMK
2 stops20h 45mMultiple Airlines
Deal found 21/12฿49,510
Tue 26/501:35DMK - SEA
1 stop23h 05mMultiple Airlines
Sun 31/513:30SEA - DMK
1 stop23h 10mMultiple Airlines
Deal found 20/12฿59,902
Last-minute flights from Bangkok to Seattle
Discover last-minute flight deals from Bangkok to Seattle. Data last updated 21 December 2025 and is based on user searches.
Thu 25/1213:20BKK - SEA
1 stop20h 20mPhilippine Airlines
Thu 22/121:30SEA - BKK
1 stop34h 30mPhilippine Airlines
Deal found 21/12฿21,411
Fri 26/1213:20BKK - SEA
1 stop20h 20mPhilippine Airlines
Thu 1/121:30SEA - BKK
1 stop34h 30mPhilippine Airlines
Deal found 18/12฿21,066
Sat 17/102:35BKK - SEA
1 stop30h 35mChina Airlines
Sat 24/100:10SEA - BKK
1 stop18h 40mChina Airlines
Deal found 21/12฿26,937
Sat 17/102:35DMK - SEA
1 stop23h 05mMultiple Airlines
Sun 25/112:20SEA - DMK
1 stop23h 25mMultiple Airlines
Deal found 21/12฿37,109
Sun 18/117:40BKK - SEA
1 stop36h 25mSTARLUX Airlines
Tue 24/223:45SEA - BKK
1 stop21h 50mSTARLUX Airlines
Deal found 19/12฿23,829
Sun 18/116:55BKK - SEA
2 stops35h 25mUnited Airlines
Sun 25/109:00SEA - BKK
2 stops35h 25mUnited Airlines
Deal found 21/12฿25,430
Sun 18/117:40BKK - SEA
1 stop36h 25mMultiple Airlines
Tue 24/207:15SEA - BKK
2 stops26h 05mMultiple Airlines
Deal found 19/12฿27,439
Sun 25/116:55BKK - SEA
2 stops23h 04mUnited Airlines
Mon 25/516:30SEA - BKK
1 stop22h 05mUnited Airlines
Deal found 19/12฿25,650
Sun 25/117:50BKK - SEA
1 stop15h 20mChina Airlines
Sat 23/501:15SEA - BKK
1 stop18h 30mChina Airlines
Deal found 19/12฿27,157
Mon 26/114:25BKK - SEA
1 stop37h 55mANA
Sun 24/516:30SEA - BKK
1 stop22h 05mANA
Deal found 19/12฿24,959
Mon 26/116:55BKK - SEA
3 stops43h 17mUnited Airlines
Mon 25/516:30SEA - BKK
1 stop22h 05mUnited Airlines
Deal found 19/12฿25,398
Mon 26/123:50BKK - SEA
1 stop33h 50mPhilippine Airlines
Sun 24/519:55SEA - BKK
2 stops26h 15mPhilippine Airlines
Deal found 19/12฿26,026
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 21 December 2025.
Tue 27/113:20BKK - SEA
1 stop20h 20mPhilippine Airlines
Deal found 21/12฿13,374
Sat 24/117:40BKK - SEA
1 stop36h 25mSTARLUX Airlines
Deal found 21/12฿13,406
Mon 30/319:30BKK - SEA
1 stop38h 35mPhilippine Airlines
Deal found 20/12฿13,437
Sun 29/317:50BKK - SEA
1 stop36h 20mSTARLUX Airlines
Deal found 19/12฿13,468
Fri 3/413:50BKK - SEA
1 stop33h 10mไห่หนานแอร์ไลน์
Deal found 19/12฿13,500
Fri 13/213:20BKK - SEA
1 stop20h 20mPhilippine Airlines
Deal found 21/12฿13,594
Fri 23/113:45BKK - SEA
1 stop16h 20mSTARLUX Airlines
Deal found 21/12฿13,814
Sat 18/413:10BKK - SEA
1 stop17h 00mSTARLUX Airlines
Deal found 20/12฿13,877
Fri 23/101:05BKK - SEA
1 stop21h 55mไห่หนานแอร์ไลน์
Deal found 21/12฿13,939
Wed 4/302:30DMK - SEA
3 stops46h 55mMultiple Airlines
Deal found 21/12฿13,971
Sun 18/117:40BKK - SEA
1 stop36h 25mSTARLUX Airlines
Deal found 20/12฿14,096
Wed 11/219:45BKK - SEA
2 stops37h 55mMultiple Airlines
Deal found 20/12฿14,128
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 21 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 21 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
Sat 21/3
23:50-19:40
1 stop33h 50m
Seattle/Tacoma Intl
Thu 9/4
23:10-18:30
1 stop29h 20m
฿23,578
BangkokSeattle
BKK - SEA
BKKSEA
Bangkok Suvarnabhumi
Sat 21/3
23:50-19:40
1 stop33h 50m
Seattle/Tacoma Intl
Sun 12/4
23:10-18:30
1 stop29h 20m
฿23,578
BangkokSeattle
BKK - SEA
BKKSEA
Bangkok Suvarnabhumi
Sat 21/3
23:50-19:40
1 stop33h 50m
Seattle/Tacoma Intl
Tue 7/4
23:10-22:40
1 stop33h 30m
฿23,578
BangkokSeattle
BKK - SEA
BKKSEA
Bangkok Suvarnabhumi
Sat 21/3
23:50-19:40
1 stop33h 50m
Seattle/Tacoma Intl
Fri 10/4
23:10-12:10
1 stop23h 00m
฿23,609
BangkokSeattle
BKK - SEA
BKKSEA
Bangkok Suvarnabhumi
Wed 4/3
13:20-18:40
1 stop20h 20m
Seattle/Tacoma Intl
Wed 4/3
23:08-12:00
2 stops45h 52m
฿24,990
BangkokSeattle
BKK - SEA
BKKSEA
Bangkok Suvarnabhumi
Mon 26/1
16:55-16:29
2 stops38h 34m
Seattle/Tacoma Intl
Mon 25/5
16:30-04:35
1 stop22h 05m
฿25,398
BangkokSeattle
BKK - SEA
BKKSEA
Bangkok Suvarnabhumi
Thu 5/3
16:55-23:28
2 stops21h 33m
Seattle/Tacoma Intl
Sun 8/3
07:10-00:20
2 stops27h 10m
฿25,775
BangkokSeattle
BKK - SEA
BKKSEA
Bangkok Suvarnabhumi
Thu 5/3
21:30-09:00
1 stop26h 30m
Seattle/Tacoma Intl
Sun 8/3
12:00-00:45
1 stop22h 45m
฿25,807
BangkokSeattle
DMK - SEA
DMKSEA
Bangkok Don Mueang Intl
Sun 22/3
03:40-14:55
1 stop25h 15m
Seattle/Tacoma Intl
Tue 7/4
00:10-15:30
1 stop25h 20m
฿31,081
BangkokSeattle
DMK - SEA
DMKSEA
Bangkok Don Mueang Intl
Sun 22/3
03:40-14:55
1 stop25h 15m
Seattle/Tacoma Intl
Thu 9/4
00:10-15:30
1 stop25h 20m
฿31,175
Flights are sorted by cheapest return flights first.
Deals found on 21/12
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 19 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 ฿19,590). Flying from Bangkok to Seattle in July is currently the most expensive (average of ฿25,116). 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 21 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 21 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 33h 50m. 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 (฿20,158), STARLUX Airlines (฿23,174), and China Airlines (฿23,466) 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 ฿12,494 on Philippine Airlines. Other airlines that offer cheap prices include China Airlines from ฿14,678 and STARLUX Airlines from ฿15,314 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 ฿19,590). Flying from Bangkok to Seattle in July is currently the most expensive (average of ฿25,116). 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 21 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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