฿15,795 Cheap Flights from Chiang Mai (CNX) to Seattle (SEA)

View ฿15,795 flight on Tue, 21 Apr 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 ฿15,795 for one-way flights and ฿25,485 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Korean Air
Fri, 13 Feb - Mon, 23 Feb
CNX
Chiang Mai
SEA
Seattle
฿25,485 Return, found 1 day ago
฿25,485
Return
found 1 day ago
Select Korean Air flight, departing Fri, 13 Feb from Chiang Mai to Seattle, returning Mon, 23 Feb, priced at ฿25,485 found 1 day ago
China Airlines
Tue, 23 Dec - Mon, 29 Dec
CNX
Chiang Mai
SEA
Seattle
฿25,870 Return, found 6 days ago
฿25,870
Return
found 6 days ago
Select China Airlines flight, departing Tue, 23 Dec from Chiang Mai to Seattle, returning Mon, 29 Dec, priced at ฿25,870 found 6 days ago
China Airlines
Thu, 27 Nov - Wed, 3 Dec
CNX
Chiang Mai
SEA
Seattle
฿25,950 Return, found 4 days ago
฿25,950
Return
found 4 days ago
Select China Airlines flight, departing Thu, 27 Nov from Chiang Mai to Seattle, returning Wed, 3 Dec, priced at ฿25,950 found 4 days ago
EVA Airways
Wed, 6 May - Fri, 29 May
CNX
Chiang Mai
SEA
Seattle
฿26,150 Return, found 1 hour ago
฿26,150
Return
found 1 hour ago
Select EVA Airways flight, departing Wed, 6 May from Chiang Mai to Seattle, returning Fri, 29 May, priced at ฿26,150 found 1 hour ago
EVA Airways
Mon, 11 May - Fri, 11 Sept
CNX
Chiang Mai
SEA
Seattle
฿26,240 Return, found 6 days ago
฿26,240
Return
found 6 days ago
Select EVA Airways flight, departing Mon, 11 May from Chiang Mai to Seattle, returning Fri, 11 Sept, priced at ฿26,240 found 6 days ago
EVA Airways
Sat, 15 Nov - Mon, 1 Dec
CNX
Chiang Mai
SEA
Seattle
฿26,320 Return, found 9 hours ago
฿26,320
Return
found 9 hours ago
Select EVA Airways flight, departing Sat, 15 Nov from Chiang Mai to Seattle, returning Mon, 1 Dec, priced at ฿26,320 found 9 hours ago
China Airlines
Sun, 26 Apr - Mon, 11 May
CNX
Chiang Mai
SEA
Seattle
฿26,550 Return, found 1 day ago
฿26,550
Return
found 1 day ago
Select China Airlines flight, departing Sun, 26 Apr from Chiang Mai to Seattle, returning Mon, 11 May, priced at ฿26,550 found 1 day ago
Korean Air
Fri, 13 Feb - Sun, 1 Mar
CNX
Chiang Mai
SEA
Seattle
฿26,985 Return, found 1 day ago
฿26,985
Return
found 1 day ago
Select Korean Air flight, departing Fri, 13 Feb from Chiang Mai to Seattle, returning Sun, 1 Mar, priced at ฿26,985 found 1 day ago
Thai Airways International
Wed, 6 May - Fri, 29 May
CNX
Chiang Mai
SEA
Seattle
฿28,110 Return, found 1 hour ago
฿28,110
Return
found 1 hour ago
Select Thai Airways International flight, departing Wed, 6 May from Chiang Mai to Seattle, returning Fri, 29 May, priced at ฿28,110 found 1 hour ago
STARLUX Airlines
Tue, 3 Feb - Tue, 24 Feb
CNX
Chiang Mai
SEA
Seattle
฿28,295 Return, found 4 days ago
฿28,295
Return
found 4 days ago
Select STARLUX Airlines flight, departing Tue, 3 Feb from Chiang Mai to Seattle, returning Tue, 24 Feb, priced at ฿28,295 found 4 days 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 ฿25,485. 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
Cathay Pacific, China Airlines, Delta, EVA Airways, Finnair, Korean Air, Lufthansa, Qatar Airways, Singapore Airlines
Return price
฿25,485
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 ฿15,795 and roundtrip prices from ฿25,485. 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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