CA $593 Cheap Flights from Seattle (SEA) to Chiang Mai (CNX)

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

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

Prices were available within the past 7 days and start at CA $593 for one-way flights and CA $1,436 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

EVA Airways
EVA Airways
Japan Airlines

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Find the cheapest month to fly from Seattle (SEA) to Chiang Mai (CNX)

September is typically the cheapest month to fly

From CA $986 - CA $1,351 per traveller.

Frequently asked questions

How much is a flight from Sea-Tac Airport to Chiang Mai Intl. Airport (CNX)?
If you're planning on travelling from SEA to Chiang Mai Intl. Airport (CNX), round-trip journeys start from CA $1,436. This figure is based on airfares available within the last 7 days on Expedia for flights departing within the next year, so don't let a good deal pass you by. Book now and save yourself 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 Sea-Tac Airport to Chiang Mai Airport?
Each air carrier has its own terms and conditions. If you do decide to cancel, follow the instructions on our Customer Service Portal.
How do I find cheap flights from Sea-Tac Airport to Chiang Mai Airport that have flexible change policies?
Flights from SEA to Chiang Mai Airport offering flexible change policies are available from several airlines. Simply use our "No change fees" filter when searching. You'll only need to cover the difference in ticket price, without any added fees to worry about.
How many hours is the flight from Seattle - Tacoma Intl. Airport (SEA) to Chiang Mai Airport?
From Seattle - Tacoma Intl. Airport (SEA) to CNX, you'll be in the air for around 17 hours and 40 minutes. If you've been looking forward to finishing that epic novel, now's the best time to do it.
How far is the flight from Seattle - Tacoma Intl. Airport (SEA) to Chiang Mai Airport?
SeaTac to Chiang Mai is around 11,600 kilometres, so be prepared to spend quite a while in the air. Don't forget to pack all the essentials, from your toothbrush to your hairbrush. Throw in a few snacks to munch on throughout your flight too.
Which airlines fly direct from Sea-Tac Airport to Chiang Mai Airport?
Flying directly between Seattle - Tacoma Intl. Airport (SEA) and Chiang Mai Intl. Airport (CNX) isn't possible at present. However, you'll still be able to book a flight to Chiang Mai with at least one stop.
Are SEA to CNX flight tickets cheaper when they're purchased at the last minute?
Booking your trip from SEA to Chiang Mai Intl. Airport (CNX) last minute could be your ticket to a great deal. However, it could end up costing a great deal more! If you'd prefer not to take any chances, book well ahead of your departure date. In fact, Expedia has some of the best bargains as far ahead as 12 months in advance. If your preferred carrier hasn't released tickets yet, check back frequently as deals are updated on Expedia all the time.

Travel information

Origin airport
Seattle - Tacoma Intl.
Destination airport
Chiang Mai Intl.
Roundtrip price
CA $1,435
Distance
11511 km

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