$501+ 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
Jul 11 — Jul 181
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 June 11, 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 June 11, 2026.
This oojo deal was found by Cheapflights users on 6/10. 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 7/95:20 pm
CNX
- SEA
1 stop37h 15m
STARLUX Airlines
Tue 7/141:15 am
SEA
- CNX
1 stop25h 05m
STARLUX Airlines
Deal found 6/10![STARLUX Airlines logo]()
$861
This Air Canada deal was found by Cheapflights users on 6/8. 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.
Fri 10/1611:30 am
CNX
- SEA
2 stops49h 12m
Air Canada
Tue 10/205:40 am
SEA
- CNX
2 stops44h 55m
Air Canada
Deal found 6/8![Air Canada logo]()
$970
This FlightHub deal was found by Cheapflights users on 6/10. 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 10m
EVA Air
Wed 9/91:30 am
SEA
- CNX
1 stop18h 55m
EVA Air
Deal found 6/10![EVA Air logo]()
$974
This FlightHub deal was found by Cheapflights users on 6/10. 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.
Wed 7/88:00 pm
CNX
- SEA
2 stops37h 50m
EVA Air
Wed 9/91:30 am
SEA
- CNX
1 stop18h 55m
EVA Air
Deal found 6/10![EVA Air logo]()
$978
This Ovago deal was found by Cheapflights users on 6/10. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/95:20 pm
CNX
- SEA
1 stop37h 15m
Multiple Airlines
Wed 7/158:42 pm
SEA
- CNX
2 stops29h 38m
Multiple Airlines
Deal found 6/10![Multiple Airlines logo]()
$993
This oojo deal was found by Cheapflights users on 6/10. 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 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 6/10![China Airlines logo]()
$1,018
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 June 11, 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 June 11, 2026.
This China Airlines deal was found by Cheapflights users on 6/9. 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 7/610:10 am
CNX
- SEA
2 stops23h 35m
China Airlines
Mon 8/241:55 am
SEA
- CNX
1 stop18h 25m
China Airlines
Deal found 6/9![China Airlines logo]()
$1,031
This China Airlines deal was found by Cheapflights users on 6/8. 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 6/8![Multiple Airlines logo]()
$1,072
This oojo deal was found by Cheapflights users on 6/7. 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.
Mon 7/611:35 am
CNX
- SEA
1 stop22h 15m
EVA Air
Mon 8/242:10 am
SEA
- CNX
1 stop18h 15m
EVA Air
Deal found 6/7![EVA Air logo]()
$1,102
This Justfly.com deal was found by Cheapflights users on 6/9. 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 7/1611:35 am
CNX
- SEA
1 stop22h 15m
Multiple Airlines
Sat 9/128:35 pm
SEA
- CNX
2 stops23h 50m
Multiple Airlines
Deal found 6/9![Multiple Airlines logo]()
$1,079
This EVA Air deal was found by Cheapflights users on 6/10. 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 7/911:35 am
CNX
- SEA
1 stop21h 35m
EVA Air
Mon 9/71:30 am
SEA
- CNX
1 stop18h 55m
EVA Air
Deal found 6/10![EVA Air logo]()
$1,149
This China Airlines deal was found by Cheapflights users on 6/10. 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.
Fri 10/98:00 pm
CNX
- SEA
2 stops37h 15m
China Airlines
Mon 10/121:15 am
SEA
- CNX
1 stop19h 05m
China Airlines
Deal found 6/10![China Airlines logo]()
$1,165
Last-minute flights from Chiang Mai to SeattleDiscover last-minute flight deals from Chiang Mai to Seattle. Data last updated June 11, 2026 and is based on user searches.
Discover last-minute flight deals from Chiang Mai to Seattle. Data last updated June 11, 2026 and is based on user searches.
This Justfly.com deal was found by Cheapflights users on 6/10. 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 7/611:55 am
CNX
- SEA
2 stops21h 55m
Multiple Airlines
Tue 8/258:35 pm
SEA
- CNX
2 stops23h 50m
Multiple Airlines
Deal found 6/10![Multiple Airlines logo]()
$1,025
This China Airlines deal was found by Cheapflights users on 6/10. 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 7/610:10 am
CNX
- SEA
2 stops23h 35m
China Airlines
Mon 8/241:55 am
SEA
- CNX
1 stop18h 25m
China Airlines
Deal found 6/10![China Airlines logo]()
$1,029
This FlightHub deal was found by Cheapflights users on 6/10. 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.
Wed 7/88:00 pm
CNX
- SEA
2 stops37h 50m
EVA Air
Wed 9/91:30 am
SEA
- CNX
1 stop18h 55m
EVA Air
Deal found 6/10![EVA Air logo]()
$978
This oojo deal was found by Cheapflights users on 6/10. 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 7/95:20 pm
CNX
- SEA
1 stop37h 15m
STARLUX Airlines
Tue 7/141:15 am
SEA
- CNX
1 stop25h 05m
STARLUX Airlines
Deal found 6/10![STARLUX Airlines logo]()
$861
This Ovago deal was found by Cheapflights users on 6/10. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/95:20 pm
CNX
- SEA
1 stop37h 15m
Multiple Airlines
Wed 7/158:42 pm
SEA
- CNX
2 stops29h 38m
Multiple Airlines
Deal found 6/10![Multiple Airlines logo]()
$993
This FlightHub deal was found by Cheapflights users on 6/10. 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 10m
EVA Air
Wed 9/91:30 am
SEA
- CNX
1 stop18h 55m
EVA Air
Deal found 6/10![EVA Air logo]()
$974
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 June 11, 2026.
Search for one-way flight options from Chiang Mai to Seattle. Find affordable one-way fares based on user searches. Data last updated June 11, 2026.
This oojo deal was found by Cheapflights users on 6/10. 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 6/10![STARLUX Airlines logo]()
$501
This China Airlines deal was found by Cheapflights users on 6/8. 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
Deal found 6/8![China Airlines logo]()
$512
This STARLUX Airlines deal was found by Cheapflights users on 6/8. 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.
Sat 6/205:20 pm
CNX
- SEA
1 stop36h 50m
STARLUX Airlines
Deal found 6/8![STARLUX Airlines logo]()
$536
This China Airlines deal was found by Cheapflights users on 6/8. 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 6/8![Multiple Airlines logo]()
$563
This Kiwi.com deal was found by Cheapflights users on 6/8. 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 6/196:35 am
CNX
- SEA
2 stops23h 35m
Multiple Airlines
Deal found 6/8![Multiple Airlines logo]()
$582
This Kiwi.com deal was found by Cheapflights users on 6/8. 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 6/246:35 am
CNX
- SEA
2 stops23h 35m
Multiple Airlines
Deal found 6/8![Multiple Airlines logo]()
$590
This Kiwi.com deal was found by Cheapflights users on 6/8. 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 6/216:35 am
CNX
- SEA
2 stops23h 35m
Multiple Airlines
Deal found 6/8![Multiple Airlines logo]()
$595
This Kiwi.com deal was found by Cheapflights users on 6/6. 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 6/306:35 am
CNX
- SEA
2 stops26h 40m
Multiple Airlines
Deal found 6/6![Multiple Airlines logo]()
$603
This Kiwi.com deal was found by Cheapflights users on 6/8. 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 6/206:35 am
CNX
- SEA
2 stops26h 40m
Multiple Airlines
Deal found 6/8![Multiple Airlines logo]()
$605
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 June 11, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $970 (Air Canada) |
One-way from | $501 (oojo) |
Popular in | September |
Cheapest in | February |
Average price | $920 |
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 June 11, 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
Mon 7/6
10:10 am-7:45 pm
2 stops23h 35m
Seattle/Tacoma Intl
Mon 8/24
1:55 am-10:20 am
1 stop18h 25m
$1,031
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
$1,072
Chiang MaiSeattle
CNX - SEA
CNXSEA
Chiang Mai
Thu 7/16
11:35 am-7:50 pm
1 stop22h 15m
Seattle/Tacoma Intl
Sat 9/12
8:35 pm-10:25 am
2 stops23h 50m
$1,079
Quickest round-trip
Chiang MaiSeattle
CNX - SEA
CNXSEA
Chiang Mai
Mon 7/6
11:35 am-7:50 pm
1 stop22h 15m
Seattle/Tacoma Intl
Mon 8/24
2:10 am-10:25 am
1 stop18h 15m
$1,102
Chiang MaiSeattle
CNX - SEA
CNXSEA
Chiang Mai
Thu 7/9
11:35 am-7:10 pm
1 stop21h 35m
Seattle/Tacoma Intl
Mon 9/7
1:30 am-10:25 am
1 stop18h 55m
$1,149
Chiang MaiSeattle
CNX - SEA
CNXSEA
Chiang Mai
Fri 10/9
8:00 pm-7:15 pm
2 stops37h 15m
Seattle/Tacoma Intl
Mon 10/12
1:15 am-10:20 am
1 stop19h 05m
$1,165
Cheapest one-way
Quickest one-way
Chiang MaiSeattle
CNX - SEA
CNXSEA
Chiang Mai
Thu 6/25
11:20 am-7:15 pm
1 stop21h 55m
$512
Chiang MaiSeattle
CNX - SEA
CNXSEA
Chiang Mai
Sat 6/20
5:20 pm-4:10 pm
1 stop36h 50m
$536
Chiang MaiSeattle
CNX - SEA
CNXSEA
Chiang Mai
Thu 10/1
11:20 am-8:11 am
2 stops34h 51m
$563
Chiang MaiSeattle
CNX - SEA
CNXSEA
Chiang Mai
Sat 6/20
6:35 am-7:15 pm
2 stops26h 40m
$605
Showing 1-10 of 12 resultsSorted by cheapest first
- 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
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 June 11, 2026.
Read through reviews of airlines operating flights from Chiang Mai to Seattle, such as EVA Air,Korean Air, andChina Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Overall
8.5
Boarding
8.4
Crew
8.7
Comfort
8.3
Entertainment
8.0
Food
8.1
Reviews
1 / 20
10.0
ExcellentDaisy,May 2026
SFO - TPE
Overall
8.5
Boarding
8.4
Crew
8.7
Comfort
8.3
Entertainment
8.0
Food
8.1
Reviews
1 / 20
10.0
ExcellentDaisy,May 2026
SFO - TPE
Overall
8.5
Boarding
8.4
Crew
8.7
Comfort
8.3
Entertainment
8.0
Food
8.1
Reviews
1 / 20
10.0
ExcellentDaisy,May 2026
SFO - TPE
Overall
8.5
Boarding
8.4
Crew
8.7
Comfort
8.3
Entertainment
8.0
Food
8.1
Reviews
1 / 20
10.0
ExcellentDaisy,May 2026
SFO - TPE
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
Lacey
Ocean Shores
Leavenworth
Olympia
Edmonds
Snoqualmie
Tumwater
Tukwila
Puyallup
Kent
Lynnwood
Renton
Ellensburg
Fife
Lakewood
Issaquah
Marysville
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 June 11, 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 June 11, 2026.
Top 3 airlines flying from Chiang Mai to Seattle
Discover the top 3 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 June 11, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$770 | Average$935 | FlexibilityNo cancel fee | On-time74% | |
| Cheapest$814 | Average$832 | FlexibilityNo cancel fee | On-time81% | |
| Cheapest$902 | Average$986 | FlexibilityNo cancel fee | On-time70% |