$508+ 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 28 — Jun 41
Round-trip
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
Find cheap flights from Chiang Mai to Seattle with Cheapflights
1. Tell us where you want to go
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
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Chiang Mai to Seattle
Cheapest
Best
Last-minute
One-way
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 28, 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 28, 2026.
This oojo deal was found by Cheapflights users on 4/26. 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 8/1911:20 am
CNX
- SEA
2 stops34h 51m
China Airlines
Mon 9/141:55 am
SEA
- CNX
1 stop18h 25m
China Airlines
Deal found 4/26![China Airlines logo]()
$998
This Justfly.com deal was found by Cheapflights users on 4/28. 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.
Mon 5/188:00 pm
CNX
- SEA
2 stops37h 30m
EVA Air
Sun 5/241:50 am
SEA
- CNX
2 stops43h 25m
EVA Air
Deal found 4/28![EVA Air logo]()
$1,018
This oojo deal was found by Cheapflights users on 4/25. 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.
Tue 8/1811:35 am
CNX
- SEA
2 stops25h 06m
EVA Air
Sat 9/193:42 pm
SEA
- CNX
2 stops28h 43m
EVA Air
Deal found 4/25![EVA Air logo]()
$1,030
This Gotogate deal was found by Cheapflights users on 4/28. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/238:00 pm
CNX
- SEA
2 stops37h 20m
EVA Air
Sat 10/3111:50 pm
SEA
- CNX
2 stops43h 35m
EVA Air
Deal found 4/28![EVA Air logo]()
$1,033
This BusinessClass deal was found by Cheapflights users on 4/25. 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 8/1811:35 am
CNX
- SEA
2 stops25h 06m
Multiple Airlines
Sat 9/197:21 pm
SEA
- CNX
2 stops25h 04m
Multiple Airlines
Deal found 4/25![Multiple Airlines logo]()
$1,035
This Justfly.com deal was found by Cheapflights users on 4/28. 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.
Mon 5/1810:10 am
CNX
- SEA
2 stops20h 00m
Multiple Airlines
Sun 5/241:15 am
SEA
- CNX
1 stop25h 05m
Multiple Airlines
Deal found 4/28![Multiple Airlines logo]()
$1,051
This EVA Air deal was found by Cheapflights users on 4/23. 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.
Wed 9/168:00 pm
CNX
- SEA
2 stops37h 40m
EVA Air
Sat 9/1912:30 am
SEA
- CNX
2 stops42h 50m
EVA Air
Deal found 4/23![EVA Air logo]()
$1,052
This Orbitz deal was found by Cheapflights users on 4/26. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/2111:35 am
CNX
- SEA
2 stops34h 36m
Multiple Airlines
Tue 9/1512:30 am
SEA
- CNX
2 stops23h 15m
Multiple Airlines
Deal found 4/26![Multiple Airlines logo]()
$1,054
This oojo deal was found by Cheapflights users on 4/24. 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 8/1911:20 am
CNX
- SEA
2 stops34h 51m
China Airlines
Thu 9/178:21 pm
SEA
- CNX
2 stops23h 59m
China Airlines
Deal found 4/24![China Airlines logo]()
$1,062
This oojo deal was found by Cheapflights users on 4/27. 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 5/1311:35 am
CNX
- SEA
1 stop21h 55m
EVA Air
Tue 6/3012:50 am
SEA
- CNX
1 stop19h 35m
EVA Air
Deal found 4/27![EVA Air logo]()
$1,066
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 28, 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 28, 2026.
This EVA Air deal was found by Cheapflights users on 4/27. 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.
Wed 9/1610:10 am
CNX
- SEA
2 stops23h 30m
EVA Air
Sat 9/1912:30 am
SEA
- CNX
2 stops28h 40m
EVA Air
Deal found 4/27![EVA Air logo]()
$1,060
This China Airlines deal was found by Cheapflights users on 4/28. 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 4/28![China Airlines logo]()
$1,124
This Qatar Airways deal was found by Cheapflights users on 4/28. 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 7/18:00 pm
CNX
- SEA
2 stops54h 25m
Qatar Airways
Wed 8/124:25 pm
SEA
- CNX
2 stops28h 50m
Qatar Airways
Deal found 4/28![Qatar Airways logo]()
$1,209
This China Airlines deal was found by Cheapflights users on 4/24. 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 8/611:55 am
CNX
- SEA
2 stops21h 50m
Multiple Airlines
Tue 9/291:15 am
SEA
- CNX
1 stop19h 05m
Multiple Airlines
Deal found 4/24![Multiple Airlines logo]()
$1,234
This China Airlines deal was found by Cheapflights users on 4/27. 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 9/162:35 pm
CNX
- SEA
2 stops42h 40m
China Airlines
Sat 9/191:15 am
SEA
- CNX
1 stop19h 05m
China Airlines
Deal found 4/27![China Airlines logo]()
$1,130
This Justfly.com deal was found by Cheapflights users on 4/23. 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.
Wed 5/1311:35 am
CNX
- SEA
1 stop21h 55m
EVA Air
Tue 6/3012:50 am
SEA
- CNX
2 stops22h 55m
EVA Air
Deal found 4/23![EVA Air logo]()
$1,158
This China Airlines deal was found by Cheapflights users on 4/25. 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 8/2011:20 am
CNX
- SEA
1 stop22h 25m
China Airlines
Sun 9/201:15 am
SEA
- CNX
1 stop19h 05m
China Airlines
Deal found 4/25![China Airlines logo]()
$1,163
This FlightHub deal was found by Cheapflights users on 4/23. 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 7/108:00 pm
CNX
- SEA
2 stops37h 50m
EVA Air
Wed 9/91:30 am
SEA
- CNX
1 stop18h 55m
EVA Air
Deal found 4/23![EVA Air logo]()
$1,170
This China Airlines deal was found by Cheapflights users on 4/26. 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 8/2011:20 am
CNX
- SEA
1 stop22h 25m
China Airlines
Sat 9/121:55 am
SEA
- CNX
1 stop18h 25m
China Airlines
Deal found 4/26![China Airlines logo]()
$1,165
This EVA Air deal was found by Cheapflights users on 4/26. 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.
Thu 8/208:00 pm
CNX
- SEA
2 stops37h 50m
EVA Air
Thu 9/171:30 am
SEA
- CNX
2 stops22h 15m
EVA Air
Deal found 4/26![EVA Air logo]()
$1,308
This China Airlines deal was found by Cheapflights users on 4/26. 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.
Sat 8/2211:20 am
CNX
- SEA
1 stop22h 25m
China Airlines
Thu 9/171:15 am
SEA
- CNX
1 stop19h 05m
China Airlines
Deal found 4/26![China Airlines logo]()
$1,273
Last-minute flights from Chiang Mai to SeattleDiscover last-minute flight deals from Chiang Mai to Seattle. Data last updated April 28, 2026 and is based on user searches.
Discover last-minute flight deals from Chiang Mai to Seattle. Data last updated April 28, 2026 and is based on user searches.
This oojo deal was found by Cheapflights users on 4/27. 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 5/1311:35 am
CNX
- SEA
1 stop21h 55m
EVA Air
Tue 6/3012:50 am
SEA
- CNX
1 stop19h 35m
EVA Air
Deal found 4/27![EVA Air logo]()
$1,066
This oojo deal was found by Cheapflights users on 4/25. 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 stops35h 32m
China Airlines
Tue 6/301:55 am
SEA
- CNX
2 stops27h 15m
China Airlines
Deal found 4/25![China Airlines logo]()
$1,142
This Justfly.com deal was found by Cheapflights users on 4/28. 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.
Mon 5/188:00 pm
CNX
- SEA
2 stops37h 30m
EVA Air
Sun 5/241:50 am
SEA
- CNX
2 stops43h 25m
EVA Air
Deal found 4/28![EVA Air logo]()
$1,018
This Justfly.com deal was found by Cheapflights users on 4/28. 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.
Mon 5/1810:10 am
CNX
- SEA
2 stops20h 00m
Multiple Airlines
Sun 5/241:15 am
SEA
- CNX
1 stop25h 05m
Multiple Airlines
Deal found 4/28![Multiple Airlines logo]()
$1,051
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 28, 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 28, 2026.
This oojo deal was found by Cheapflights users on 4/28. 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.
Thu 10/15:20 pm
CNX
- SEA
1 stop36h 50m
STARLUX Airlines
Deal found 4/28![STARLUX Airlines logo]()
$508
This oojo deal was found by Cheapflights users on 4/27. 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.
Thu 10/111:20 am
CNX
- SEA
1 stop21h 55m
China Airlines
Deal found 4/27![China Airlines logo]()
$535
This China Airlines deal was found by Cheapflights users on 4/28. 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 4/28![Multiple Airlines logo]()
$573
This Kiwi.com deal was found by Cheapflights users on 4/28. 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 5/1411:00 pm
CNX
- SEA
1 stop28h 35m
Multiple Airlines
Deal found 4/28![Multiple Airlines logo]()
$604
This Kiwi.com deal was found by Cheapflights users on 4/27. 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.
Fri 5/1510:30 am
CNX
- SEA
2 stops38h 10m
Multiple Airlines
Deal found 4/27![Multiple Airlines logo]()
$618
This Kiwi.com deal was found by Cheapflights users on 4/28. 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.
Sat 5/1611:55 pm
CNX
- SEA
1 stop27h 40m
Multiple Airlines
Deal found 4/28![Multiple Airlines logo]()
$635
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 28, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $998 (oojo) |
One-way from | $508 (oojo) |
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 28, 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 9/16
10:10 am-7:40 pm
2 stops23h 30m
Seattle/Tacoma Intl
Sat 9/19
12:30 am-7:10 pm
2 stops28h 40m
$1,060
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
$1,124
Chiang MaiSeattle
CNX - SEA
CNXSEA
Chiang Mai
Wed 9/16
2:35 pm-7:15 pm
2 stops42h 40m
Seattle/Tacoma Intl
Sat 9/19
1:15 am-10:20 am
1 stop19h 05m
$1,130
Chiang MaiSeattle
CNX - SEA
CNXSEA
Chiang Mai
Wed 5/13
11:35 am-7:30 pm
1 stop21h 55m
Seattle/Tacoma Intl
Tue 6/30
12:50 am-1:45 pm
2 stops22h 55m
$1,158
Chiang MaiSeattle
CNX - SEA
CNXSEA
Chiang Mai
Thu 8/20
11:20 am-7:45 pm
1 stop22h 25m
Seattle/Tacoma Intl
Sun 9/20
1:15 am-10:20 am
1 stop19h 05m
$1,163
Quickest round-trip
Chiang MaiSeattle
CNX - SEA
CNXSEA
Chiang Mai
Thu 8/20
11:20 am-7:45 pm
1 stop22h 25m
Seattle/Tacoma Intl
Sat 9/12
1:55 am-10:20 am
1 stop18h 25m
$1,165
Chiang MaiSeattle
CNX - SEA
CNXSEA
Chiang Mai
Fri 7/10
8:00 pm-7:50 pm
2 stops37h 50m
Seattle/Tacoma Intl
Wed 9/9
1:30 am-10:25 am
1 stop18h 55m
$1,170
Chiang MaiSeattle
CNX - SEA
CNXSEA
Chiang Mai
Wed 7/1
8:00 pm-12:25 pm
2 stops54h 25m
Seattle/Tacoma Intl
Wed 8/12
4:25 pm-11:15 am
2 stops28h 50m
$1,209
Chiang MaiSeattle
CNX - SEA
CNXSEA
Chiang Mai
Thu 8/6
11:55 am-7:45 pm
2 stops21h 50m
Seattle/Tacoma Intl
Tue 9/29
1:15 am-10:20 am
1 stop19h 05m
$1,234
Chiang MaiSeattle
CNX - SEA
CNXSEA
Chiang Mai
Sat 8/22
11:20 am-7:45 pm
1 stop22h 25m
Seattle/Tacoma Intl
Thu 9/17
1:15 am-10:20 am
1 stop19h 05m
$1,273
Showing 1-10 of 16 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*2 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
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 Chiang Mai to Seattle
Prices
More
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 28, 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.
Food
8.1
Crew
8.7
Overall
8.4
Comfort
8.3
Boarding
8.5
Entertainment
8.2
Reviews
1 / 20
10.0
ExcellentJacqueline,Aug 2025
ICN - SEA
Food
8.1
Crew
8.7
Overall
8.4
Comfort
8.3
Boarding
8.5
Entertainment
8.2
Reviews
1 / 20
10.0
ExcellentJacqueline,Aug 2025
ICN - SEA
Food
8.1
Crew
8.7
Overall
8.4
Comfort
8.3
Boarding
8.5
Entertainment
8.2
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
Tacoma
Ocean Shores
Olympia
Lynnwood
Lacey
Edmonds
Leavenworth
Snoqualmie
Tumwater
Tukwila
Puyallup
Kent
Renton
Kirkland
Ellensburg
Fife
Lakewood
Issaquah
Shoreline
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
Alternative routes
Complete your trip
Flights by cabin class
Other flight options
Popular flights
Seattle flight routes
Alternative routes for Chiang Mai to Seattle
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to Seattle by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Chiang Mai to Seattle by cabin class
Find flights from Chiang Mai to Seattle, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Chiang Mai and Seattle flights
Browse other Chiang Mai and Seattle flight options. Last updated on April 28, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Other flights to Seattle
Explore flights to Seattle departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on April 28, 2026.
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 28, 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% |