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Cheap flights from Seattle to Chiang Mai from $484

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Seattle to Chiang Mai departing on 3/26. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from Seattle to Chiang Mai

Cheap round-trip flights

These are some of the best round-trip flight deals from Seattle to Chiang Mai that have been recently found on momondo from popular airlines, departing in the coming months.
12:50 pm - 9:55 pmSEA-CNX
19h 05m1 stop
11:15 pm - 10:40 amCNX-SEA
25h 25m1 stop
$840Korean Air
Find Deal
Sun, Apr 6 - Wed, Apr 23
1:15 am - 4:20 pmSEA-CNX
25h 05m1 stop
5:20 pm - 4:10 pmCNX-SEA
36h 50m1 stop
$842STARLUX Airlines
Find Deal
Tue, Apr 8 - Wed, Apr 16
1:15 am - 4:20 pmSEA-CNX
25h 05m1 stop
5:20 pm - 4:10 pmCNX-SEA
36h 50m1 stop
$846STARLUX Airlines
Find Deal
Tue, Apr 8 - Wed, Apr 16
11:50 pm - 10:35 amSEA-CNX
20h 45m1 stop
11:35 am - 6:50 pmCNX-SEA
21h 15m1 stop
$882EVA Air
Find Deal
Thu, Mar 20 - Thu, Apr 3
11:50 pm - 10:35 amSEA-CNX
20h 45m1 stop
11:35 am - 7:30 pmCNX-SEA
21h 55m1 stop
$883EVA Air
Find Deal
Thu, Mar 20 - Thu, Apr 3
2:15 pm - 11:40 pmSEA-CNX
19h 25m1 stop
12:45 am - 12:30 pmCNX-SEA
25h 45m1 stop
$903Asiana Airlines
Find Deal
Sun, Apr 6 - Tue, Apr 22
2:15 pm - 11:40 pmSEA-CNX
19h 25m1 stop
12:45 am - 12:30 pmCNX-SEA
25h 45m1 stop
$954Asiana Airlines
Find Deal
Wed, Apr 9 - Tue, Apr 15
5:47 pm - 1:25 pmSEA-CNX
53h 38m2 stops
2:55 pm - 4:50 pmCNX-SEA
39h 55m2 stops
$960China Eastern
Find Deal
Wed, Jun 4 - Wed, Jun 18
7:20 am - 1:25 pmSEA-CNX
40h 05m2 stops
2:55 pm - 2:45 pmCNX-SEA
37h 50m2 stops
$964China Eastern
Find Deal
Tue, Jun 3 - Wed, Jun 18
1:10 am - 10:20 amSEA-CNX
19h 10m1 stop
8:00 pm - 7:30 pmCNX-SEA
37h 30m2 stops
$1,007China Airlines
Find Deal
Sun, May 11 - Mon, May 26

Korean Air flights from Seattle to Chiang Mai

Our best Korean Air deals on Seattle to Chiang Mai flight tickets
Korean Air
Apr 6
SEA12:50 pmSeattle/Tacoma Intl
19h 05m
1 stop
CNX9:55 pmChiang Mai
Apr 23
CNX11:15 pmChiang Mai
25h 25m
1 stop
SEA10:40 amSeattle/Tacoma Intl
Korean Air
Apr 9
SEA12:50 pmSeattle/Tacoma Intl
19h 05m
1 stop
CNX9:55 pmChiang Mai
Apr 16
CNX11:15 pmChiang Mai
25h 25m
1 stop
SEA10:40 amSeattle/Tacoma Intl
Korean Air
Apr 9
SEA12:50 pmSeattle/Tacoma Intl
19h 05m
1 stop
CNX9:55 pmChiang Mai
Apr 16
CNX11:15 pmChiang Mai
25h 25m
1 stop
SEA10:40 amSeattle/Tacoma Intl

Asiana Airlines flights from Seattle to Chiang Mai

Our best Asiana Airlines deals on Seattle to Chiang Mai flight tickets
Asiana Airlines
Apr 6
SEA2:15 pmSeattle/Tacoma Intl
19h 25m
1 stop
CNX11:40 pmChiang Mai
Apr 22
CNX12:45 amChiang Mai
25h 45m
1 stop
SEA12:30 pmSeattle/Tacoma Intl
Asiana Airlines
Apr 9
SEA2:15 pmSeattle/Tacoma Intl
19h 25m
1 stop
CNX11:40 pmChiang Mai
Apr 15
CNX12:45 amChiang Mai
25h 45m
1 stop
SEA12:30 pmSeattle/Tacoma Intl
Asiana Airlines
Mar 2
SEA12:45 pmSeattle/Tacoma Intl
19h 20m
1 stop
CNX11:05 pmChiang Mai
Mar 31
CNX12:45 amChiang Mai
25h 45m
1 stop
SEA12:30 pmSeattle/Tacoma Intl

See travel insights to Chiang Mai from

How to get the cheapest flight ticket from Seattle to Chiang Mai

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Chiang Mai?

If you don’t want to visit Chiang Mai in March, then you should wait until October to fly from Seattle, when ticket prices are also cheap, with an average price of $834.

What is the cheapest day to depart on your flight to Chiang Mai?

The cheapest day to depart from Seattle to Chiang Mai is on a Tuesday. Travelers who choose to depart for Chiang Mai on a Tuesday will often find tickets for as low as $882. When flying out on a Friday, the most expensive travel day of the week, you can expect to see flight prices from Seattle to Chiang Mai for around $1,415.

What is the cheapest time of day to depart on your flight to Chiang Mai?

Flying to Chiang Mai from Seattle in the morning is the least expensive time of day to depart. momondo users have found prices as low as $929 when looking at flights departing in the morning. Flights to Chiang Mai are more costly in the evening, with an average ticket price of $1,057. Departure times in the evening fall within the peak daily travel times, which is why tickets can be more expensive.

How far in advance should I book a flight to Chiang Mai?

You are more likely to see cheaper flights to Chiang Mai from Seattle when booking 19 weeks ahead of your departure date. In general, you can expect to find flights to Chiang Mai for around $1,069 when searching 19 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Chiang Mai from Seattle for as low as $837 on momondo.

How have Seattle to Chiang Mai flight prices changed over time?

As of February 2025, prices for Seattle to Chiang Mai flights are approximately 22% cheaper when compared to flights at the same time last year.

When to book flights from Seattle to Chiang Mai

Are you open to changing your travel dates? Check out the ideal times to fly from Seattle to Chiang Mai according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Seattle to Chiang Mai (SEA to CNX) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Seattle to Chiang Mai

Best Price Found

$484

Fastest flight time

18h 35m

Direct flights

None

Airports in Chiang Mai

1 airport
The best one-way flight to Chiang Mai from Seattle in the past 72 hours is $484. The best round-trip flight deal from Seattle to Chiang Mai found on momondo in the last 72 hours is $840.
The fastest flight from Seattle to Chiang Mai takes 18h 35m
There are no direct flights from Seattle to Chiang Mai. Popular non-direct route for this connection is Seattle/Tacoma Intl Airport - Chiang Mai Airport.
There is 1 airport near Chiang Mai: Chiang Mai (CNX)

  • How far is Seattle/Tacoma Intl to Chiang Mai by plane?

    The distance between Seattle/Tacoma Intl and Chiang Mai is about 7178.6 mi. 18h 35m is a normal flight duration for this route.

  • When did momondo last update prices for flights from Seattle/Tacoma Intl Airport to Chiang Mai Airport?

    Prices for flights from Seattle/Tacoma Intl Airport to Chiang Mai Airport refresh daily.

  • How many operators does momondo search for flights from Seattle/Tacoma Intl Airport to Chiang Mai Airport?

  • How old do you have to be to fly from Seattle/Tacoma Intl Airport to Chiang Mai Airport?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Seattle/Tacoma Intl Airport to Chiang Mai Airport.

  • What documentation or ID do you need to fly to Chiang Mai Airport?

    The necessary travel and health documents for your Chiang Mai Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

  • What is the most popular airline from Seattle to Chiang Mai?


Best airlines flying from Seattle to Chiang Mai

Compare and see reviews for airlines that fly from Seattle to Chiang Mai with momondo
Airline
Rating
Free Cancellation
Price
Asiana AirlinesPriceFrom $674Free CancellationRating
8.2
445 reviews
Search Asiana Airlines flights
China AirlinesPriceFrom $749Free CancellationRating
8.2
721 reviews
Search China Airlines flights
DeltaPriceFrom $822Free CancellationRating
8.0
8,140 reviews
Search Delta flights
EVA AirPriceFrom $897Free CancellationRating
8.4
1,194 reviews
Search EVA Air flights
Korean AirPriceFrom $967Free CancellationRating
8.4
1,039 reviews
Search Korean Air flights

Why use momondo?

Why should I use momondo to find a flight deal from Seattle to Chiang Mai?

Finding the right flight to Chiang Mai from Seattle is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Chiang Mai quick and easy, saving you time and money.

Can I find flights from Seattle to Chiang Mai with flexible booking policies on momondo?

Flights from Seattle to Chiang Mai with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from Seattle to Chiang Mai?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Seattle to Chiang Mai.

I’m not ready to book a flight from Seattle to Chiang Mai right now. Can momondo alert me if prices change?

Price alerts on flights to Chiang Mai from Seattle are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.


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