$466+ Cheap flights from Chiang Mai (CNX) to Seattle (SEA)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 12/24. Fares are subject to change and may not be available on all flights or dates of travel.
CNX — SEA
Nov 26 — Dec 31
Round-trip
1 adult, Economy
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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 October 27, 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 October 27, 2026.
This Korean Air deal was found by Cheapflights users on 10/25. 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 Korean Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/412:20 am -
1 stop23h 45m
Mon 11/911:00 am -
1 stop20h 45m
Deal found 10/25![Korean Air logo]()
$839
This EVA Air deal was found by Cheapflights users on 10/26. 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 11/59:30 am -
2 stops23h 00m
Sun 11/812:10 am -
2 stops25h 15m
Deal found 10/26![EVA Air logo]()
$1,139
This Kissandfly.com deal was found by Cheapflights users on 10/25. 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 Kissandfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/911:50 am -
1 stop21h 20m
Tue 12/1512:10 am -
1 stop19h 25m
Deal found 10/25![EVA Air logo]()
$1,333
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 October 27, 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 October 27, 2026.
This China Airlines deal was found by Cheapflights users on 10/26. 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 3/1111:25 am -
1 stop21h 45m
Mon 4/121:15 am -
1 stop19h 05m
Deal found 10/26![China Airlines logo]()
$809
This China Airlines deal was found by Cheapflights users on 10/24. 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.
Mon 3/111:25 am -
1 stop21h 45m
Tue 4/271:15 am -
2 stops22h 30m
Deal found 10/24![Multiple Airlines logo]()
$922
This FlightHub deal was found by Cheapflights users on 10/24. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/112:10 pm -
2 stops21h 00m
Tue 4/2712:30 am -
2 stops24h 20m
Deal found 10/24![EVA Air logo]()
$989
This Qatar Airways deal was found by Cheapflights users on 10/26. 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 Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/1210:10 am -
2 stops40h 30m
Tue 4/134:25 pm -
2 stops36h 45m
Deal found 10/26![Qatar Airways logo]()
$1,212
This China Airlines deal was found by Cheapflights users on 10/24. 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.
Mon 3/111:25 am -
1 stop21h 45m
Tue 4/271:15 am -
1 stop19h 05m
Deal found 10/24![China Airlines logo]()
$809
This China Airlines deal was found by Cheapflights users on 10/26. 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.
Mon 3/811:25 am -
1 stop21h 45m
Mon 4/121:15 am -
1 stop19h 05m
Deal found 10/26![China Airlines logo]()
$809
This EVA Air deal was found by Cheapflights users on 10/26. 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.
Fri 3/1212:15 pm -
2 stops20h 55m
Fri 4/91:30 am -
2 stops41h 15m
Deal found 10/26![EVA Air logo]()
$1,036
This Qatar Airways deal was found by Cheapflights users on 10/26. 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 Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/127:45 pm -
2 stops30h 55m
Sun 4/114:25 pm -
2 stops55h 20m
Deal found 10/26![Qatar Airways logo]()
$1,241
This Qatar Airways deal was found by Cheapflights users on 10/23. 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 Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/137:45 pm -
2 stops30h 55m
Sat 4/104:25 pm -
2 stops26h 55m
Deal found 10/23![Qatar Airways logo]()
$1,361
This Kissandfly.com deal was found by Cheapflights users on 10/25. 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 Kissandfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/99:30 am -
2 stops23h 40m
Tue 12/1512:10 am -
1 stop19h 25m
Deal found 10/25![EVA Air logo]()
$1,382
Last-minute flights from Chiang Mai to SeattleDiscover last-minute flight deals from Chiang Mai to Seattle. Data last updated October 27, 2026 and is based on user searches.
Discover last-minute flight deals from Chiang Mai to Seattle. Data last updated October 27, 2026 and is based on user searches.
This Korean Air deal was found by Cheapflights users on 10/25. 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 Korean Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/412:20 am -
1 stop23h 45m
Mon 11/911:00 am -
1 stop20h 45m
Deal found 10/25![Korean Air logo]()
$839
This EVA Air deal was found by Cheapflights users on 10/26. 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 11/59:30 am -
2 stops23h 00m
Sun 11/812:10 am -
2 stops25h 15m
Deal found 10/26![EVA Air logo]()
$1,139
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 October 27, 2026.
Search for one-way flight options from Chiang Mai to Seattle. Find affordable one-way fares based on user searches. Data last updated October 27, 2026.
This Delta deal was found by Cheapflights users on 10/26. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/2412:20 am -
1 stop26h 36m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/26![Delta logo]()
$466
This Korean Air deal was found by Cheapflights users on 10/26. 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 Korean Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/2112:20 am -
1 stop28h 50m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/26![Korean Air logo]()
$469
This China Airlines deal was found by Cheapflights users on 10/25. 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.
Tue 2/1611:25 am -
1 stop21h 45m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/25![China Airlines logo]()
$479
This Delta deal was found by Cheapflights users on 10/25. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/1812:20 am -
1 stop26h 31m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/25![Delta logo]()
$489
This Delta deal was found by Cheapflights users on 10/26. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/2112:20 am -
2 stops31h 24m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/26![Delta logo]()
$519
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 October 27, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $809 (China Airlines) |
One-way from | $466 (Delta) |
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 7,457,451 searches. Data last updated October 27, 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 Chiang Mai - SEA Seattle/Tacoma Intl
CNXSEA
Chiang Mai
Thu 12/24
12:20 am-11:56 am
1 stop26h 36m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-3:00 pm
Nonstop0h 00m
$466
Chiang MaiSeattle
CNX Chiang Mai - SEA Seattle/Tacoma Intl
CNXSEA
Chiang Mai
Wed 11/18
12:20 am-11:51 am
1 stop26h 31m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-3:00 pm
Nonstop0h 00m
$466
Quickest round-trip
Chiang MaiSeattle
CNX Chiang Mai - SEA Seattle/Tacoma Intl
CNXSEA
Chiang Mai
Sat 2/13
12:20 am-11:50 am
1 stop26h 30m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-3:00 pm
Nonstop0h 00m
$489
Chiang MaiSeattle
CNX Chiang Mai - SEA Seattle/Tacoma Intl
CNXSEA
Chiang Mai
Mon 12/21
12:20 am-2:10 pm
1 stop28h 50m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-3:00 pm
Nonstop0h 00m
$492
Chiang MaiSeattle
CNX Chiang Mai - SEA Seattle/Tacoma Intl
CNXSEA
Chiang Mai
Wed 11/18
12:20 am-2:10 pm
1 stop28h 50m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-3:00 pm
Nonstop0h 00m
$492
Chiang MaiSeattle
CNX Chiang Mai - SEA Seattle/Tacoma Intl
CNXSEA
Chiang Mai
Thu 3/11
11:25 am-6:10 pm
1 stop21h 45m
Seattle/Tacoma Intl
Mon 4/12
1:15 am-10:20 am
1 stop19h 05m
$809
Chiang MaiSeattle
CNX Chiang Mai - SEA Seattle/Tacoma Intl
CNXSEA
Chiang Mai
Mon 3/1
11:25 am-6:10 pm
1 stop21h 45m
Seattle/Tacoma Intl
Tue 4/27
1:15 am-10:20 am
1 stop19h 05m
$809
Chiang MaiSeattle
CNX Chiang Mai - SEA Seattle/Tacoma Intl
CNXSEA
Chiang Mai
Mon 3/8
11:25 am-6:10 pm
1 stop21h 45m
Seattle/Tacoma Intl
Mon 4/12
1:15 am-10:20 am
1 stop19h 05m
$809
Chiang MaiSeattle
CNX Chiang Mai - SEA Seattle/Tacoma Intl
CNXSEA
Chiang Mai
Mon 3/1
11:25 am-6:10 pm
1 stop21h 45m
Seattle/Tacoma Intl
Tue 4/27
1:15 am-1:45 pm
2 stops22h 30m
$922
Chiang MaiSeattle
CNX Chiang Mai - SEA Seattle/Tacoma Intl
CNXSEA
Chiang Mai
Mon 3/1
12:10 pm-6:10 pm
2 stops21h 00m
Seattle/Tacoma Intl
Tue 4/27
12:30 am-2:50 pm
2 stops24h 20m
$989
Showing 1-10 of 15 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 October.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 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
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.
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 October 27, 2026.
Read through reviews of airlines operating flights from Chiang Mai to Seattle, such as EVA Air and China Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Crew
8.7
Food
8.1
Overall
8.5
Comfort
8.3
Boarding
8.4
Entertainment
8.0
Reviews
1 / 20
10.0
ExcellentPadma,Aug 2026
TPE - SFO
Crew
8.7
Food
8.1
Overall
8.5
Comfort
8.3
Boarding
8.4
Entertainment
8.0
Reviews
1 / 20
10.0
ExcellentPadma,Aug 2026
TPE - SFO
Crew
8.7
Food
8.1
Overall
8.5
Comfort
8.3
Boarding
8.4
Entertainment
8.0
Reviews
1 / 20
10.0
ExcellentPadma,Aug 2026
TPE - SFO
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
Renton
Tacoma
Lacey
Leavenworth
Tukwila
Snoqualmie
Puyallup
Lynnwood
Olympia
Centralia
Kent
Tumwater
Ocean Shores
Ellensburg
Issaquah
Lakewood
Poulsbo
Marysville
Shoreline
Browse thousands of different options on Cheapflights for your next trip
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Complete your trip
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Chiang Mai and Seattle flights
Browse other Chiang Mai and Seattle flight options. Last updated on October 27, 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 October 27, 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 7,457,451 searches. Data last updated October 27, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$895 | Average$1,049 | FlexibilityNo cancel fee | On-time74% | |
| Cheapest$898 | Average$1,033 | FlexibilityNo cancel fee | On-time70% |