Cheap Flights from Chiang Mai to Seattle / Tacoma International

Your route at a glance

Cheapest dealRs222,850
Cheapest monthMay
Most popular airlineKorean Air

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Flight deals from Chiang Mai to Seattle / Tacoma International

Looking for a cheap last-minute deal or the best return flight from Chiang Mai to Seattle / Tacoma International? Find the lowest prices on one-way and return tickets right here.

Find the cheapest month to fly from Chiang Mai to Seattle / Tacoma International

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Chiang Mai to Seattle / Tacoma International flights are currently cheapest in November.

Chiang Mai to Seattle / Tacoma International: Alternative routes

Compare routes from Chiang Mai to Seattle below. You may find an airport to fly into that's cheaper, faster, or easier than Seattle / Tacoma International.

Finding cheap flights from Chiang Mai to Seattle / Tacoma International: Frequently asked questions

The best price we found for a return flight from Chiang Mai to Seattle / Tacoma International is Rs222,850. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
Currently, there are no airlines that fly direct from Chiang Mai to Seattle / Tacoma International. But we found flights with one or more stops from Rs222,850.
As of December 2025, there are no flights flying from Chiang Mai to Seattle / Tacoma International.
The cheapest month to fly from Chiang Mai to Seattle / Tacoma International is usually May.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Chiang Mai Airport to Seattle / Tacoma International Airport on Saturday, 2 May 2026.
No airlines currently offer direct flights between Chiang Mai Airport and Seattle / Tacoma International Airport. Most routes have one or more stops.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Seattle / Tacoma International but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Seattle is around 40 days in advance, so don’t leave your flight to the last minute.
Currently, China Airlines offers the cheapest flight tickets to Seattle / Tacoma International.

Travelling from Chiang Mai International Airport (CNX) to Seattle-Tacoma International Airport (SEA): what you need to know

  • The timezone in Seattle is UTC-7, which is 14 hours behind Chiang Mai.

  • For a stress-free journey, arrive at the airport two hours ahead of international flights and an hour before domestic departures. This ensures you have enough time to catch your CNX to SEA flight.

  • You can expect longer queues during popular months like August. Arriving up to four hours in advance for international flights and two hours for domestic departures will give you ample time for security and boarding.

  • We make it a piece of cake to book a flight with a stopover. To see all your options for tickets from Chiang Mai International Airport to Seattle-Tacoma International Airport, uncheck 'Direct flights only.' Then, pick a flight offering a stop long enough to tour your chosen city. Some great stopovers between CNX and SEA include:

    • Taiwan Taoyuan International Airport

    • Shanghai Pudong International Airport

    • Beijing Capital International Airport

How to find the cheapest flights from Chiang Mai International Airport (CNX) to Seattle-Tacoma International Airport (SEA)

  • Rs135,081 is the lowest price for a one-way Chiang Mai International Airport to Seattle-Tacoma International Airport flight. A return flight starts from Rs222,850. These fares may change depending on availability.

  • Don't leave everything to the last moment. You're more likely to get cheap tickets from CNX to SEA if you book in advance. Airlines often offer some terrific early bird deals.

  • The 'Whole month' search function shows you the cheapest flights from Chiang Mai International Airport to Seattle-Tacoma International Airport across every month. It's a great way to snap up a bargain if your dates aren't set in stone.

  • Getting your hands on cheap flights from CNX to SEA is a piece of cake with Price Alerts. All you need to do is set up one of these automatic alerts and we'll get in touch when there's a better deal.

  • Tailor your flights with filters. Pick your preferred arrival and departure times, total journey duration and airlines. You can also sort results by 'Best,' 'Cheapest' or 'Fastest' flights from Chiang Mai International Airport to Seattle-Tacoma International Airport.

Handy information about Chiang Mai International Airport (CNX)

  • When it comes to the on-time performance of Chiang Mai International Airport, data shows 76.37% of flights stick to their scheduled arrival time.

  • Central Chiang Mai to Chiang Mai International Airport is approximately 5 kilometres. Depending on traffic, it'll take about 10 minutes to get there if you're ride-sharing, catching a cab or driving.

  • Planning to catch public transport? You can expect a journey time of around 25 minutes.

  • Get your holiday off to a stress-free start by staying near CNX. Whether you're boarding an early flight from Chiang Mai International Airport to Seattle-Tacoma International Airport or just don't like being rushed, these stays are ideal:

Arriving at Seattle-Tacoma International Airport (SEA)

Getting from Seattle-Tacoma International Airport (SEA) to central Seattle

  • Seattle-Tacoma International Airport to the centre of Seattle has a drive time of about 20 minutes. It's approximately 23 kilometres away.

  • If you're travelling by public transport, expect a journey time of about 55 minutes.

When to fly to Seattle-Tacoma International Airport (SEA)

  • The quietest month for a flight from Chiang Mai International Airport to Seattle-Tacoma International Airport is May, while July is the busiest. Pick the ideal time to visit Seattle based on whether you prefer a more relaxed vibe or a faster pace.

  • When reserving your flight from Chiang Mai International Airport to Seattle-Tacoma International Airport, think about the kind of weather you like. August is the warmest month in Seattle, with the temperature ranging from 12ºC to 28ºC.

  • Search for cheap tickets from CNX to SEA in February if you like cooler conditions. Temperatures are at their lowest then, ranging between -1ºC and 11ºC on average.

Explore more of United States

  • Portland is just one of the many cities in United States waiting to be explored after you've seen Seattle. Around 241 kilometres away to the south, well-known attractions include Pioneer Courthouse Square, Portland Japanese Garden and Pittock Mansion.

  • If you're looking to explore another major stop in United States, consider Spokane, roughly 370 kilometres east of Seattle. Manito Park, Northwest Museum of Arts & Culture and Spokane Falls are among its highlights.

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.