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฿15,735 Cheap Flights from Chiang Mai (CNX) to Seattle (SEA)

View ฿15,735 flight on Thu, 24 Dec 2026Opens in a new window

Popular airlines from Chiang Mai Intl. Airport (CNX) to Seattle-Tacoma International Airport (SEA)

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Cheap Flights from Chiang Mai (CNX) to Seattle (SEA)

Prices were available within the past 7 days and start at ฿15,735 for one-way flights and ฿23,145 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Korean Air
Tue, 16 Feb - Tue, 2 Mar
CNX
Chiang Mai
SEA
Seattle
฿23,145 Return, found 18 hours ago
฿23,145
Return
found 18 hours ago
Select Korean Air flight, departing Tue, 16 Feb from Chiang Mai to Seattle, returning Tue, 2 Mar, priced at ฿23,145 found 18 hours ago
Korean Air
Sun, 1 Nov - Sat, 7 Nov
CNX
Chiang Mai
SEA
Seattle
฿23,155 Return, found 1 day ago
฿23,155
Return
found 1 day ago
Select Korean Air flight, departing Sun, 1 Nov from Chiang Mai to Seattle, returning Sat, 7 Nov, priced at ฿23,155 found 1 day ago
Korean Air
Mon, 26 Oct - Mon, 2 Nov
CNX
Chiang Mai
SEA
Seattle
฿23,240 Return, found 6 days ago
฿23,240
Return
found 6 days ago
Select Korean Air flight, departing Mon, 26 Oct from Chiang Mai to Seattle, returning Mon, 2 Nov, priced at ฿23,240 found 6 days ago
Korean Air
Fri, 30 Oct - Sun, 29 Nov
CNX
Chiang Mai
SEA
Seattle
฿26,650 Return, found 8 hours ago
฿26,650
Return
found 8 hours ago
Select Korean Air flight, departing Fri, 30 Oct from Chiang Mai to Seattle, returning Sun, 29 Nov, priced at ฿26,650 found 8 hours ago
China Airlines
Mon, 7 Sept - Mon, 21 Sept
CNX
Chiang Mai
SEA
Seattle
฿27,615 Return, found 8 hours ago
฿27,615
Return
found 8 hours ago
Select China Airlines flight, departing Mon, 7 Sept from Chiang Mai to Seattle, returning Mon, 21 Sept, priced at ฿27,615 found 8 hours ago
STARLUX Airlines
Sat, 31 Oct - Sun, 29 Nov
CNX
Chiang Mai
SEA
Seattle
฿27,642 Return, found 8 hours ago
฿27,642
Return
found 8 hours ago
Select STARLUX Airlines flight, departing Sat, 31 Oct from Chiang Mai to Seattle, returning Sun, 29 Nov, priced at ฿27,642 found 8 hours ago
STARLUX Airlines
Wed, 9 Dec - Sun, 27 Dec
CNX
Chiang Mai
SEA
Seattle
฿28,110 Return, found 4 days ago
฿28,110
Return
found 4 days ago
Select STARLUX Airlines flight, departing Wed, 9 Dec from Chiang Mai to Seattle, returning Sun, 27 Dec, priced at ฿28,110 found 4 days ago
China Airlines
Sat, 5 Sept - Wed, 30 Sept
CNX
Chiang Mai
SEA
Seattle
฿29,865 Return, found 23 hours ago
฿29,865
Return
found 23 hours ago
Select China Airlines flight, departing Sat, 5 Sept from Chiang Mai to Seattle, returning Wed, 30 Sept, priced at ฿29,865 found 23 hours ago
Delta
Fri, 30 Oct - Sun, 29 Nov
CNX
Chiang Mai
SEA
Seattle
฿30,030 Return, found 8 hours ago
฿30,030
Return
found 8 hours ago
Select Delta flight, departing Fri, 30 Oct from Chiang Mai to Seattle, returning Sun, 29 Nov, priced at ฿30,030 found 8 hours ago
EVA Airways
Thu, 24 Dec - Sun, 10 Jan
CNX
Chiang Mai
SEA
Seattle
฿30,215 Return, found 1 hour ago
฿30,215
Return
found 1 hour ago
Select EVA Airways flight, departing Thu, 24 Dec from Chiang Mai to Seattle, returning Sun, 10 Jan, priced at ฿30,215 found 1 hour ago

Frequently asked questions

How much is a flight from Chiang Mai Airport to SEA?
If you're planning on travelling between CNX and Seattle - Tacoma Intl. Airport (SEA), round-trip flights start from ฿23,145. This figure is based on airfares advertised within the last 7 days on Expedia for flights departing within the next year, so don't hang about. Book today and save yourself both money and time. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from CNX to SEA?
We understand that your situation can change unexpectedly, so we've made it as hassle-free as possible for you to cancel your flight online. Just head to the Customer Service Portal and follow the instructions.
How do I find cheap flights from Chiang Mai Intl. Airport (CNX) to Seattle - Tacoma Intl. Airport (SEA) that have flexible change policies?
Many airlines offer the option to reschedule your flight without a change fee. All you pay is the difference between the original flight and the new flight. When you're searching for Chiang Mai Intl. Airport (CNX) to SEA flights, you'll see a "no change fees" filter for you to select.
How far is the flight from Chiang Mai Intl. Airport (CNX) to Seattle - Tacoma Intl. Airport (SEA)?
You'll have 11,600 kilometres to cover on the long-haul Chiang Mai to SeaTac route. Dress in layers of comfortable clothes and consider taking a travel pillow with you.
Which airlines fly direct from CNX to Seattle - Tacoma Intl. Airport (SEA)?
Flying nonstop between Chiang Mai Airport and Sea-Tac Airport isn't possible right now. However, you'll still be able to book a flight to SeaTac with at least one stop.
Are Chiang Mai Intl. Airport (CNX) to Seattle - Tacoma Intl. Airport (SEA) flight tickets cheaper when they're purchased at the last minute?
Last-minute planners can occasionally pick up a bargain, with some super cheap airfares from CNX to Seattle - Tacoma Intl. Airport (SEA) emerging a few weeks prior to the departure date. If you'd rather book ahead, Expedia compares and updates all the best flight deals regularly — as early as 12 months in advance in some cases. It depends on the carrier though, as not all airlines publish prices so far in advance.

Travel information

Origin airport
Chiang Mai Intl.
Destination airport
Seattle - Tacoma Intl.
Airlines serving
Air Canada, Cathay Pacific, China Airlines, Delta, EVA Airways, Korean Air, Lufthansa, Malaysia Airlines, Qatar Airways, Singapore Airlines
Roundtrip price
฿23,145
Distance
11511 km

Book with confidence

Perfect flights from Chiang Mai to Seattle

Embark on an unforgettable journey without breaking the bank with Expedia's incredible deals on cheap flights from Chiang Mai to Seattle. Whether you're aching for a romantic escape with your partner, craving an adventurous solo expedition, or yearning to immerse yourself in the local history and culture, we've got you covered.
 
Picture yourself strolling through the streets of , surrounded by breathtaking architecture and absorbing the vibrant atmosphere of this captivating city. Indulge in the mouth-watering local specialties, from tantalizing street food to exquisite fine dining. With Expedia, you can experience all of this and more, without sacrificing your budget.
 
Our flexible Chiang Mai Intl. to Seattle - Tacoma Intl. ticket options cater to your travel preferences, with incredible one-way fares from ฿15,735 and roundtrip prices from ฿23,145. Whether you're planning a short city break or a longer adventure, our dynamic pricing ensures that you find the best deals for your journey.
 
But the magic doesn't stop there. Expedia offers a range of partner services to enhance your trip. Rent a car at Seattle - Tacoma Intl. and explore and its surrounding areas at your own pace. Discover hidden gems off the beaten path, and create unforgettable memories. We also provide a handpicked selection of accommodations, from charming bed and breakfasts to luxury hotels, ensuring that you have a comfortable and memorable stay.
 
Planning your next great adventure is a breeze with Expedia. Our user-friendly platform, unbeatable prices, and round-the-clock customer support are designed to make your travel experience seamless and stress-free. So, why wait? Book your to travel arrangements today and embark on the journey of a lifetime in Seattle.
Perfect flights from Chiang Mai to Seattle
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