₩1,263,100 Cheap Flights from Seattle (SEA) to Chiang Mai (CNX)

View ₩1,263,100 flight on Fri, Jun 5, 2026Opens in a new window

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

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

Prices were available within the past 7 days and start at ₩1,263,100 for one-way flights and for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

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

September is typically the cheapest month to fly

From ₩981,585 - ₩1,352,676 per traveler.
Flights from Seattle (SEA) to Chiang Mai (CNX)
Origin airport
Seattle - Tacoma Intl.
Destination airport
Chiang Mai Intl.
Distance
11511 km

Seattle to Chiang Mai Flights

Sometimes you just need to get out of town or maybe you’re looking for a change of scenery. Regardless of the reason, a flight from Seattle to Chiang Mai will do just the trick! Go on, plan to see all the famous landmarks and eat your weight in the local cuisine. Your trip is beckoning, so answer the call by packing your suitcase and filling your travel itinerary with exploring Chiang Mai.

Whether you’re flying for business or jet-setting on your personal time, you’ve come to the right place. Here at Expedia.com, we’ll pair you up with SEA to CNX flights that won’t make your bank account wince. Ready to temporarily leave behind Seattle for new horizons? Browse through our cheap airfare, and filter by flight times and dates until you find just what you had in mind. From flights without layovers to ones that arrive early in the morning, you’ll come across plane tickets that suit your travel preferences. You can even bundle your flight to CNX with hotels and car rentals to score even bigger savings.

All set to hit the clouds? Book your travel arrangements with us today and have left-over money to put toward your travel outings and adventures.

Frequently asked questions

How much is a flight from Seattle - Tacoma Intl. Airport (SEA) to Chiang Mai Intl. Airport (CNX)?
The lowest price advertised for a round-trip flight from SEA to Chiang Mai Intl. Airport (CNX) is . But you better get moving. This price is taken from fares available within the last 7 days on Expedia for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from Seattle - Tacoma Intl. Airport (SEA) to Chiang Mai Intl. Airport (CNX)?
We understand that your situation can change unexpectedly, so we've made it as simple 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 Seattle - Tacoma Intl. Airport (SEA) to Chiang Mai Airport 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 SEA to Chiang Mai Airport flights, you'll see a "no change fees" filter for you to select.
How far is the flight from Sea-Tac Airport to Chiang Mai Intl. Airport (CNX)?
You'll have 11,600 kilometers to cover on the long-haul SeaTac to Chiang Mai route. Wear layers of comfortable clothes and consider taking earplugs and a sleep mask.
Which airlines fly direct from SEA to Chiang Mai Airport?
If you want to fly straight from Sea-Tac Airport to CNX, you'll need to book a flight with at least one stop. Unfortunately, there are no airlines that fly directly between these airports.
Are Seattle - Tacoma Intl. Airport (SEA) to Chiang Mai Airport 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 the risk, book well ahead of your departure date. In fact, Expedia has some of the biggest bargains up to a year in advance. If your preferred carrier hasn't released tickets yet, check back regularly as deals are updated on Expedia all the time.

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