$525+ Cheap flights from Chiang Mai (CNX) to Seattle (SEA)
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 10/1. Fares are subject to change and may not be available on all flights or dates of travel.
CNX — SEA
May 17 — May 241
Round-trip
1 adult, Economy
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Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
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Cheapest flights from Chiang Mai to SeattleExplore the most affordable flight options available from Chiang Mai to Seattle. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 17, 2026.
Explore the most affordable flight options available from Chiang Mai to Seattle. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 17, 2026.
This Korean Air deal was found by Cheapflights users on 4/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Korean Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/412:15 am
CNX
- SEA
1 stop23h 45m
Korean Air
Thu 12/311:00 am
SEA
- CNX
1 stop20h 55m
Korean Air
Deal found 4/16![Korean Air logo]()
$828
This Kiwi.com deal was found by Cheapflights users on 4/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/811:25 am
CNX
- SEA
1 stop21h 45m
Multiple Airlines
Sun 11/2911:55 pm
SEA
- CNX
2 stops32h 40m
Multiple Airlines
Deal found 4/16![Multiple Airlines logo]()
$935
This Kiwi.com deal was found by Cheapflights users on 4/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/511:25 am
CNX
- SEA
1 stop21h 45m
Multiple Airlines
Sun 11/2911:55 pm
SEA
- CNX
2 stops31h 25m
Multiple Airlines
Deal found 4/16![Multiple Airlines logo]()
$947
This Air Canada deal was found by Cheapflights users on 4/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/1411:30 am
CNX
- SEA
2 stops40h 52m
Air Canada
Sun 10/1810:30 am
SEA
- CNX
2 stops40h 05m
Air Canada
Deal found 4/13![Air Canada logo]()
$948
This China Airlines deal was found by Cheapflights users on 4/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure China Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/2111:20 am
CNX
- SEA
1 stop21h 55m
China Airlines
Sun 8/301:55 am
SEA
- CNX
1 stop18h 25m
China Airlines
Deal found 4/14![China Airlines logo]()
$970
This Justfly.com deal was found by Cheapflights users on 4/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/235:20 pm
CNX
- SEA
1 stop36h 50m
STARLUX Airlines
Sun 8/301:15 am
SEA
- CNX
1 stop25h 05m
STARLUX Airlines
Deal found 4/14![STARLUX Airlines logo]()
$975
This China Airlines deal was found by Cheapflights users on 4/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure China Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/511:20 am
CNX
- SEA
1 stop22h 25m
China Airlines
Mon 9/71:55 am
SEA
- CNX
1 stop18h 25m
China Airlines
Deal found 4/13![China Airlines logo]()
$983
This Expedia deal was found by Cheapflights users on 4/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/2411:30 am
CNX
- SEA
2 stops36h 37m
Multiple Airlines
Mon 8/313:00 pm
SEA
- CNX
2 stops30h 15m
Multiple Airlines
Deal found 4/14![Multiple Airlines logo]()
$987
This Delta deal was found by Cheapflights users on 4/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/412:15 am
CNX
- SEA
1 stop23h 45m
Delta
Wed 12/211:00 am
SEA
- CNX
1 stop20h 55m
Delta
Deal found 4/16![Delta logo]()
$990
This Delta deal was found by Cheapflights users on 4/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/512:15 am
CNX
- SEA
1 stop26h 36m
Delta
Fri 11/277:20 am
SEA
- CNX
2 stops24h 35m
Delta
Deal found 4/16![Delta logo]()
$995
This STARLUX Airlines deal was found by Cheapflights users on 4/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure STARLUX Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/55:20 pm
CNX
- SEA
1 stop36h 50m
STARLUX Airlines
Sun 7/121:15 am
SEA
- CNX
1 stop25h 05m
STARLUX Airlines
Deal found 4/16![STARLUX Airlines logo]()
$999
Best flights from Chiang Mai to SeattleDiscover carefully curated flight deals from Chiang Mai to Seattle that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated April 17, 2026.
Discover carefully curated flight deals from Chiang Mai to Seattle that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated April 17, 2026.
This China Airlines deal was found by Cheapflights users on 4/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure China Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/148:00 pm
CNX
- SEA
2 stops37h 15m
China Airlines
Sat 10/171:15 am
SEA
- CNX
1 stop19h 05m
China Airlines
Deal found 4/14![China Airlines logo]()
$1,042
This EVA Air deal was found by Cheapflights users on 4/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure EVA Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/88:00 pm
CNX
- SEA
2 stops37h 40m
EVA Air
Fri 9/111:30 am
SEA
- CNX
2 stops43h 45m
EVA Air
Deal found 4/16![EVA Air logo]()
$1,067
This FlightHub deal was found by Cheapflights users on 4/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/1011:30 am
CNX
- SEA
2 stops49h 18m
Air Canada
Thu 9/1010:30 am
SEA
- CNX
2 stops40h 05m
Air Canada
Deal found 4/12![Air Canada logo]()
$1,123
This BusinessClass deal was found by Cheapflights users on 4/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure BusinessClass is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/1311:20 am
CNX
- SEA
2 stops34h 57m
Multiple Airlines
Tue 6/301:55 am
SEA
- CNX
1 stop18h 25m
Multiple Airlines
Deal found 4/12![Multiple Airlines logo]()
$1,157
This Qatar Airways deal was found by Cheapflights users on 4/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/108:00 pm
CNX
- SEA
2 stops30h 25m
Qatar Airways
Wed 9/94:25 pm
SEA
- CNX
2 stops28h 50m
Qatar Airways
Deal found 4/13![Qatar Airways logo]()
$1,226
This China Airlines deal was found by Cheapflights users on 4/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure China Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/711:20 am
CNX
- SEA
1 stop21h 55m
China Airlines
Mon 7/131:55 am
SEA
- CNX
1 stop18h 25m
China Airlines
Deal found 4/16![China Airlines logo]()
$1,091
This China Airlines deal was found by Cheapflights users on 4/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure China Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/611:20 am
CNX
- SEA
1 stop22h 25m
Multiple Airlines
Tue 9/291:15 am
SEA
- CNX
2 stops22h 30m
Multiple Airlines
Deal found 4/17![Multiple Airlines logo]()
$1,195
This China Airlines deal was found by Cheapflights users on 4/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure China Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/2111:20 am
CNX
- SEA
1 stop21h 55m
China Airlines
Sat 8/291:55 am
SEA
- CNX
2 stops21h 50m
China Airlines
Deal found 4/14![China Airlines logo]()
$1,130
This Qatar Airways deal was found by Cheapflights users on 4/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/111:55 am
CNX
- SEA
2 stops38h 30m
Multiple Airlines
Wed 8/124:25 pm
SEA
- CNX
2 stops26h 55m
Multiple Airlines
Deal found 4/13![Multiple Airlines logo]()
$1,200
This China Airlines deal was found by Cheapflights users on 4/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure China Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/611:20 am
CNX
- SEA
1 stop22h 25m
China Airlines
Tue 9/291:15 am
SEA
- CNX
1 stop19h 05m
China Airlines
Deal found 4/15![China Airlines logo]()
$1,166
This China Airlines deal was found by Cheapflights users on 4/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure China Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/2311:20 am
CNX
- SEA
1 stop22h 25m
China Airlines
Tue 9/221:15 am
SEA
- CNX
1 stop19h 05m
China Airlines
Deal found 4/15![China Airlines logo]()
$1,219
Last-minute flights from Chiang Mai to SeattleDiscover last-minute flight deals from Chiang Mai to Seattle. Data last updated April 17, 2026 and is based on user searches.
Discover last-minute flight deals from Chiang Mai to Seattle. Data last updated April 17, 2026 and is based on user searches.
This STARLUX Airlines deal was found by Cheapflights users on 4/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure STARLUX Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/55:20 pm
CNX
- SEA
1 stop36h 50m
STARLUX Airlines
Sun 7/121:15 am
SEA
- CNX
1 stop25h 05m
STARLUX Airlines
Deal found 4/16![STARLUX Airlines logo]()
$999
This STARLUX Airlines deal was found by Cheapflights users on 4/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure STARLUX Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/55:20 pm
CNX
- SEA
1 stop36h 50m
STARLUX Airlines
Thu 7/161:15 am
SEA
- CNX
1 stop25h 05m
STARLUX Airlines
Deal found 4/16![STARLUX Airlines logo]()
$1,108
This SmartFares deal was found by Cheapflights users on 4/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/711:35 am
CNX
- SEA
2 stops35h 54m
Multiple Airlines
Tue 7/141:10 am
SEA
- CNX
1 stop19h 15m
Multiple Airlines
Deal found 4/16![Multiple Airlines logo]()
$1,071
This China Airlines deal was found by Cheapflights users on 4/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure China Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/711:20 am
CNX
- SEA
1 stop21h 55m
China Airlines
Tue 7/141:55 am
SEA
- CNX
1 stop18h 25m
China Airlines
Deal found 4/16![China Airlines logo]()
$1,091
This BusinessClass deal was found by Cheapflights users on 4/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure BusinessClass is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/1211:35 am
CNX
- SEA
1 stop21h 55m
Multiple Airlines
Tue 6/308:42 pm
SEA
- CNX
2 stops23h 43m
Multiple Airlines
Deal found 4/17![Multiple Airlines logo]()
$1,092
This BusinessClass deal was found by Cheapflights users on 4/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure BusinessClass is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/1211:35 am
CNX
- SEA
1 stop21h 55m
EVA Air
Tue 6/3012:50 am
SEA
- CNX
2 stops22h 55m
EVA Air
Deal found 4/17![EVA Air logo]()
$1,098
This oojo deal was found by Cheapflights users on 4/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/1311:55 am
CNX
- SEA
2 stops21h 35m
EVA Air
Tue 6/3012:50 am
SEA
- CNX
2 stops22h 55m
EVA Air
Deal found 4/17![EVA Air logo]()
$1,112
This oojo deal was found by Cheapflights users on 4/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/1311:20 am
CNX
- SEA
2 stops34h 57m
China Airlines
Tue 6/301:55 am
SEA
- CNX
2 stops27h 15m
China Airlines
Deal found 4/15![China Airlines logo]()
$1,122
This BusinessClass deal was found by Cheapflights users on 4/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure BusinessClass is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/1311:20 am
CNX
- SEA
2 stops34h 57m
Multiple Airlines
Tue 6/301:55 am
SEA
- CNX
2 stops21h 50m
Multiple Airlines
Deal found 4/14![Multiple Airlines logo]()
$1,125
This Justfly.com deal was found by Cheapflights users on 4/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/145:20 pm
CNX
- SEA
1 stop36h 50m
STARLUX Airlines
Tue 6/301:15 am
SEA
- CNX
1 stop25h 05m
STARLUX Airlines
Deal found 4/17![STARLUX Airlines logo]()
$1,070
One-way flights from Chiang Mai to SeattleSearch for one-way flight options from Chiang Mai to Seattle. Find affordable one-way fares based on user searches. Data last updated April 17, 2026.
Search for one-way flight options from Chiang Mai to Seattle. Find affordable one-way fares based on user searches. Data last updated April 17, 2026.
This China Airlines deal was found by Cheapflights users on 4/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure China Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/111:20 am
CNX
- SEA
1 stop21h 55m
China Airlines
Deal found 4/15![China Airlines logo]()
$525
This Kiwi.com deal was found by Cheapflights users on 4/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/2012:50 am
CNX
- SEA
3 stops44h 51m
Multiple Airlines
Deal found 4/16![Multiple Airlines logo]()
$565
This China Airlines deal was found by Cheapflights users on 4/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure China Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/111:20 am
CNX
- SEA
2 stops34h 51m
Multiple Airlines
Deal found 4/15![Multiple Airlines logo]()
$574
This Kiwi.com deal was found by Cheapflights users on 4/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/55:20 pm
CNX
- SEA
2 stops39h 15m
Multiple Airlines
Deal found 4/16![Multiple Airlines logo]()
$575
This Kiwi.com deal was found by Cheapflights users on 4/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/1810:30 am
CNX
- SEA
2 stops36h 30m
Multiple Airlines
Deal found 4/16![Multiple Airlines logo]()
$583
This Kiwi.com deal was found by Cheapflights users on 4/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/1010:55 pm
CNX
- SEA
2 stops55h 15m
Multiple Airlines
Deal found 4/16![Multiple Airlines logo]()
$587
This Kiwi.com deal was found by Cheapflights users on 4/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/191:50 am
CNX
- SEA
2 stops25h 45m
Multiple Airlines
Deal found 4/16![Multiple Airlines logo]()
$589
Find flight deals from Chiang Mai to Seattle
Discover tips and strategies to find the most affordable flight options for your journey from Chiang Mai (CNX) 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 April 17, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $948 (Air Canada) |
One-way from | $525 (China Airlines) |
Popular in | September |
Cheapest in | February |
Average price | $1,056 |
Cheapflights Fare Finder
Customize your flight search to find flights from Chiang Mai 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 2,558,603 searches. Data last updated April 17, 2026.
Use the filters below to find and compare flights from Chiang Mai to Seattle that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
Chiang MaiSeattle
CNX - SEA
CNXSEA
Chiang Mai
Wed 10/14
8:00 pm-7:15 pm
2 stops37h 15m
Seattle/Tacoma Intl
Sat 10/17
1:15 am-10:20 am
1 stop19h 05m
$1,042
Chiang MaiSeattle
CNX - SEA
CNXSEA
Chiang Mai
Tue 9/8
8:00 pm-7:40 pm
2 stops37h 40m
Seattle/Tacoma Intl
Fri 9/11
1:30 am-11:15 am
2 stops43h 45m
$1,067
Quickest round-trip
Chiang MaiSeattle
CNX - SEA
CNXSEA
Chiang Mai
Thu 5/7
11:20 am-7:15 pm
1 stop21h 55m
Seattle/Tacoma Intl
Mon 7/13
1:55 am-10:20 am
1 stop18h 25m
$1,091
Chiang MaiSeattle
CNX - SEA
CNXSEA
Chiang Mai
Fri 7/10
11:30 am-10:48 pm
2 stops49h 18m
Seattle/Tacoma Intl
Thu 9/10
10:30 am-4:35 pm
2 stops40h 05m
$1,123
Chiang MaiSeattle
CNX - SEA
CNXSEA
Chiang Mai
Sun 6/21
11:20 am-7:15 pm
1 stop21h 55m
Seattle/Tacoma Intl
Sat 8/29
1:55 am-1:45 pm
2 stops21h 50m
$1,130
Chiang MaiSeattle
CNX - SEA
CNXSEA
Chiang Mai
Wed 5/13
11:20 am-8:17 am
2 stops34h 57m
Seattle/Tacoma Intl
Tue 6/30
1:55 am-10:20 am
1 stop18h 25m
$1,157
Chiang MaiSeattle
CNX - SEA
CNXSEA
Chiang Mai
Thu 8/6
11:20 am-7:45 pm
1 stop22h 25m
Seattle/Tacoma Intl
Tue 9/29
1:15 am-10:20 am
1 stop19h 05m
$1,166
Chiang MaiSeattle
CNX - SEA
CNXSEA
Chiang Mai
Thu 8/6
11:20 am-7:45 pm
1 stop22h 25m
Seattle/Tacoma Intl
Tue 9/29
1:15 am-1:45 pm
2 stops22h 30m
$1,195
Chiang MaiSeattle
CNX - SEA
CNXSEA
Chiang Mai
Wed 7/1
11:55 am-12:25 pm
2 stops38h 30m
Seattle/Tacoma Intl
Wed 8/12
4:25 pm-9:20 am
2 stops26h 55m
$1,200
Chiang MaiSeattle
CNX - SEA
CNXSEA
Chiang Mai
Thu 7/23
11:20 am-7:45 pm
1 stop22h 25m
Seattle/Tacoma Intl
Tue 9/22
1:15 am-10:20 am
1 stop19h 05m
$1,219
Showing 1-10 of 19 resultsSorted by cheapest first
Compare providers for flights from Chiang Mai to Seattle
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Chiang Mai to Seattle in April.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Chiang Mai-Seattle flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Chiang Mai-Seattle flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Chiang Mai-Seattle flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Chiang Mai-Seattle flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Chiang Mai-Seattle flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
Best time to book a flight from Chiang Mai to Seattle
Have a flexible travel schedule? Discover the best time to fly to Seattle from Chiang Mai with our price prediction graph.
CNX-SEA
Estimated round-trip price
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Cheapflights Insights
Everything you need to know about your flight from Chiang Mai to Seattle
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What’s the top layover airport for flights from Chiang Mai to Seattle?
Share of 1-stop round-trip flights from Chiang Mai to Seattle chosen by Cheapflights users in the past 12 months, using the same layover each way.
Taipei City (TPE) – chosen by Cheapflights users on 67% of 1-stop itineraries from Chiang Mai to Seattle on Cheapflights.
What’s the cheapest layover airport for flights from Chiang Mai to Seattle?
Average round-trip fare for 1-stop flights from Chiang Mai to Seattle, chosen by Cheapflights users in the past 12 months, with the same layover each way.
Incheon (ICN) is the most affordable 1-stop option, with an average round-trip price of $803.
What’s the fastest layover option from Chiang Mai to Seattle?
Shortest average travel time for 1-stop one-way flights from Chiang Mai to Seattle, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by layover airport.
Flights via Taipei City (TPE) have the shortest average one-way travel time for 1-stop routes: 21h 55m.
Which airport typically offers the quickest layover for flights from Chiang Mai to Seattle?
Average layover duration for 1-stop one-way flights from Chiang Mai to Seattle, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.
Flights via Taipei City (TPE) offer the fastest connection on this route, with an average layover time of 4h 40m.
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 April 17, 2026.
Read through reviews of airlines operating flights from Chiang Mai to Seattle, such as Korean Air and China Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Entertainment
8.2
Boarding
8.5
Crew
8.7
Comfort
8.3
Food
8.1
Overall
8.4
Reviews
1 / 20
10.0
ExcellentJacqueline,Aug 2025
ICN - SEA
Entertainment
8.2
Boarding
8.5
Crew
8.7
Comfort
8.3
Food
8.1
Overall
8.4
Reviews
1 / 20
10.0
ExcellentJacqueline,Aug 2025
ICN - SEA
Entertainment
8.2
Boarding
8.5
Crew
8.7
Comfort
8.3
Food
8.1
Overall
8.4
Reviews
1 / 20
10.0
ExcellentJacqueline,Aug 2025
ICN - SEA
Related info for your journey
Find useful and relevant information for your journey from Chiang Mai to Seattle. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Traveling to a place near Seattle?
Book flights to Seattle if you plan to visit one of these locationsSeaTac
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Top 2 airlines flying from Chiang Mai to Seattle
Discover the top 2 airlines that operate flights from Chiang Mai 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 2,558,603 searches. Data last updated April 17, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$793 | Average$832 | FlexibilityNo cancel fee | On-time81% | |
| Cheapest$902 | Average$915 | FlexibilityNo cancel fee | On-time70% |