SEA - CNX

฿13,028 Find Cheap Flights from Seattle to Chiang Mai – Compare and Save

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Seattle to Chiang Mai departing on 30/9. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
1 adult, Economy, 0 bags

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Everything you should know

Cheapest return fare
฿27,936
Typical prices: ฿30,253-฿37,187
China Airlines
Sun 27/9Tue 13/10
SEA - CNX • 1 stop
Cheapest one-way flight
฿13,028
Typical prices: ฿14,908-฿18,904
Multiple Airlines
Wed 30/9
SEA - CNX • 2 stops
Direct flights
Not available
There are currently no direct flights between Seattle and Chiang Mai. You’ll need at least 1 connection.
Insights
Insights
Insights
Insights
When to travel
February
Cheapest • 26% price drop
December
Most popular
Good to know
Good to know
+1
+1
Good to know
Good to know
+1
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We hope you love your trip to Chiang Mai!
Flight Deals
Booking Insights
Flight Deals

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

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for return flights from Seattle to Chiang Mai that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent return flight deals from Seattle to Chiang Mai

Sun 27 Sep - Tue 13 Oct
China Airlines Logo
01:15 - 10:20
SEA
-
CNX
19h 05m
1 stop
China Airlines Logo
11:20 - 19:15
CNX
-
SEA
21h 55m
1 stop
฿27,936China Airlines
Mon 7 Sep - Tue 15 Sep
China Airlines Logo
01:55 - 10:20
SEA
-
CNX
18h 25m
1 stop
China Airlines Logo
11:20 - 19:45
CNX
-
SEA
22h 25m
1 stop
฿28,205China Airlines
Sat 22 Aug - Tue 8 Sep
China Airlines Logo
01:55 - 10:20
SEA
-
CNX
18h 25m
1 stop
China Airlines Logo
11:20 - 19:45
CNX
-
SEA
22h 25m
1 stop
฿28,373China Airlines
Mon 11 Jan - Sun 21 Feb
China Airlines Logo
00:10 - 10:25
SEA
-
CNX
19h 15m
1 stop
China Airlines Logo
11:25 - 18:10
CNX
-
SEA
21h 45m
1 stop
฿28,943China Airlines
Mon 24 Aug - Tue 1 Sep
China Airlines Logo
01:55 - 10:20
SEA
-
CNX
18h 25m
1 stop
China Airlines Logo
11:20 - 19:45
CNX
-
SEA
22h 25m
1 stop
฿28,977China Airlines
Sun 27 Sep - Tue 13 Oct
China Airlines Logo
01:15 - 10:20
SEA
-
CNX
19h 05m
1 stop
China Airlines Logo
11:20 - 19:15
CNX
-
SEA
21h 55m
1 stop
฿29,111China Airlines
Wed 4 Nov - Sat 7 Nov
Korean Air Logo
11:00 - 22:55
SEA
-
CNX
20h 55m
1 stop
Korean Air Logo
00:15 - 09:00
CNX
-
SEA
23h 45m
1 stop
฿29,145Korean Air
Tue 12 Jan - Tue 23 Feb
Korean Air Logo
11:00 - 22:55
SEA
-
CNX
20h 55m
1 stop
Korean Air Logo
00:15 - 09:00
CNX
-
SEA
23h 45m
1 stop
฿29,178Korean Air
Sun 27 Sep - Tue 13 Oct
China Airlines Logo
01:15 - 10:20
SEA
-
CNX
19h 05m
1 stop
China Airlines Logo
11:20 - 19:15
CNX
-
SEA
21h 55m
1 stop
฿29,212China Airlines
Wed 4 Nov - Sat 7 Nov
Korean Air Logo
07:16 - 22:55
SEA
-
CNX
24h 39m
2 stops
Korean Air Logo
00:15 - 09:00
CNX
-
SEA
23h 45m
1 stop
฿29,346Korean Air
Booking Insights

KAYAK's insights & trends for Seattle to Chiang Mai flights

Get data-powered insights and trends into flights from Seattle to Chiang Mai to help you find the cheapest flights, the best time to fly and much more.

How much is a return flight from Seattle to Chiang Mai?

This analysis is based on the cheapest return trip price found on KAYAK in the last 12 months by searching for a flight from Seattle to Chiang Mai departing in September.

Flight prices are typical for this route right now.

Flights to Chiang Mai from Seattle usually cost between ฿28,003 and ฿41,636 in September.
The lowest price found in the past 5 days was ฿28,205 on China Airlines (7 Sep–15 Sep).

What is the cheapest month to fly from Seattle to Chiang Mai?

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for round-trip flights from Seattle to Chiang Mai, removes the top 0.1% to account for outliers, and then takes the median of all values for each month.

The cheapest month for flights from Seattle to Chiang Mai is February, where tickets cost ฿27,298 (return) on average. On the other hand, the most expensive months are December and June, where the average cost of round-trip tickets is ฿55,872 and ฿48,485 respectively.

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

To calculate weekly average prices, KAYAK takes all prices for each week before departure over the last year for round-trip flights from Seattle to Chiang Mai, removes the top 0.1% to account for outliers, and then takes the average of all the values for each week.

To get a below average price on the flight from Seattle to Chiang Mai, you should book around 1 week before departure. For the absolute cheapest price, our data suggests you should book 23 weeks before departure.

Find deals

Good to know

Low season

July

Cheapest flight

฿13,028
Best time to beat the crowds but there is an average 19% increase in price.
Most popular time to fly (50% more expensive on average)
Flight from Seattle to Chiang Mai

When to book flights from Seattle to Chiang Mai

Are your dates flexible? Find out the best times to travel from Seattle to Chiang Mai based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated return price
KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or returns with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

FAQs for booking flights from Seattle to Chiang Mai

  • What is the cheapest flight from Seattle to Chiang Mai?

    In the last 5 days, the lowest price for a flight from Seattle to Chiang Mai was ฿13,028 for a one-way ticket and ฿27,936 for a return.

  • Which airports will I be using when flying from Seattle to Chiang Mai?

    Seattle and Chiang Mai are both served by 1 main airport. You will leave Seattle from Seattle/Tacoma Intl and will be arriving at Chiang Mai.

  • Which aircraft models fly most regularly from Seattle to Chiang Mai?

    We unfortunately don’t have that data for this specific route.

  • How does KAYAK find such low prices on flights from Seattle to Chiang Mai?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Seattle to Chiang Mai.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Seattle to Chiang Mai?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Chiang Mai from Seattle is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Seattle to Chiang Mai?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional return ticket. You could then fly to Chiang Mai with an airline and back to Seattle with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Seattle to Chiang Mai?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Chiang Mai from Seattle up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Everything you need to know for your flight from Seattle to Chiang Mai

Information on your arrival and departure airports

Seattle (SEA)
Chiang Mai (CNX)