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

SEA — CNX
Dec 6 — Dec 131

The best prices from Seattle/Tacoma Intl to Chiang Mai are usually found in January or February, booked 60 days in advance, depart on a Saturday or Thursday and return on a Monday

How to find the cheapest flight from Seattle (SEA) to Chiang Mai (CNX)

All the information you need to plan the best SEA to CNX flight in 2022: compare Seattle to Chiang Mai flight prices with the expected peak season, weather and rainfall in Chiang Mai.

SEA - CNX

Price

$927 - $2,069

CNX

Temperature

69.8 - 84.2 °F

CNX

Rainfall

0 - 9.8 inches

Popular inJuneHigh demand for flights, 36% potential price rise
Cheapest inJanuaryBest time to find cheap flights, 30% potential price drop
Round-trip from$927From Seattle/Tacoma Intl to Chiang Mai
One-way from$654One-way flight from Seattle/Tacoma Intl to Chiang Mai

What is the cheapest day to fly round-trip from Seattle to Chiang Mai?

Tuesday flights are found to be more expensive to fly from Seattle to Chiang Mai. This shouldn’t discourage you from searching, as you can still find great deals by being flexible with your options. Use our search form to find deals on tickets to Chiang Mai.

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

To save up to 39% on this flight, we recommend booking at least 61 days prior to travel. The price may fluctuate and will likely increase closer to your departure date. Users on Cheapflights have found tickets from Seattle to Chiang Mai from $1,567 1-2 weeks out and tickets from $1,687 for flights departing within the next 72 hours.

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

The best pricing can be found in the month of January. Prices to Chiang Mai from Seattle average $1,324. You can even find prices in January for less than $1,324, as users have found deals to Chiang Mai from as low as $817. The month of June appears to be one of the more expensive times to travel to Chiang Mai from Seattle. Flying in the targeted month can save you up to 56%.

When is the cheapest time to fly from Seattle to Chiang Mai (SEA - CNX)?

It’s optimal to fly from Seattle to Chiang Mai in the evening. By choosing this option you can save up to 27% on the cost of your flight, compared to a flight in the afternoon.

Cheap flights from Seattle to Chiang Mai in December, January 2022

The best prices found for SEA to CNX flights for December, January
Dec 3 - Feb 11
SEA

Seattle/Tacoma Intl

CNX

Chiang Mai

1 stop

19h 50m
CNX

Chiang Mai

SEA

Seattle/Tacoma Intl

1 stop

29h 15m
$1,587

Delta

Pick Dates

Deal found 11/29

Dec 3 - Feb 11
SEA

Seattle/Tacoma Intl

CNX

Chiang Mai

1 stop

19h 50m
CNX

Chiang Mai

SEA

Seattle/Tacoma Intl

2 stops

35h 59m
$1,597

Delta

Pick Dates

Deal found 11/29

Dec 7 - Dec 22
SEA

Seattle/Tacoma Intl

CNX

Chiang Mai

2 stops

38h 00m
CNX

Chiang Mai

SEA

Seattle/Tacoma Intl

1 stop

29h 15m
$1,671

Multiple Airlines

Pick Dates

Deal found 11/29

Cheap EVA Air flights from Seattle to Chiang Mai

Mar 15 - Mar 30
SEA

Seattle/Tacoma Intl

CNX

Chiang Mai

1 stop

19h 10m
CNX

Chiang Mai

SEA

Seattle/Tacoma Intl

1 stop

22h 00m
$875

EVA Air

Pick Dates

Deal found 11/28

Feb 6 - Mar 9
SEA

Seattle/Tacoma Intl

CNX

Chiang Mai

1 stop

19h 10m
CNX

Chiang Mai

SEA

Seattle/Tacoma Intl

1 stop

21h 35m
$893

EVA Air

Pick Dates

Deal found 11/30

Mar 14 - Apr 5
SEA

Seattle/Tacoma Intl

CNX

Chiang Mai

1 stop

19h 10m
CNX

Chiang Mai

SEA

Seattle/Tacoma Intl

1 stop

22h 00m
$895

EVA Air

Pick Dates

Deal found 11/29

Cheap Korean Air flights from Seattle to Chiang Mai

Apr 3 - Apr 13
SEA

Seattle/Tacoma Intl

CNX

Chiang Mai

2 stops

37h 35m
CNX

Chiang Mai

SEA

Seattle/Tacoma Intl

1 stop

28h 30m
$941

Korean Air

Pick Dates

Deal found 11/30

Apr 17 - Apr 23
SEA

Seattle/Tacoma Intl

CNX

Chiang Mai

2 stops

37h 35m
CNX

Chiang Mai

SEA

Seattle/Tacoma Intl

2 stops

32h 34m
$942

Korean Air

Pick Dates

Deal found 11/29

Apr 3 - Apr 13
SEA

Seattle/Tacoma Intl

CNX

Chiang Mai

2 stops

37h 35m
CNX

Chiang Mai

SEA

Seattle/Tacoma Intl

2 stops

35h 25m
$952

Korean Air

Pick Dates

Deal found 11/30

One-way flights to Chiang Mai from Seattle

The cheapest one-way flights from Seattle to Chiang Mai
Feb 4
SEA

Seattle/Tacoma Intl

CNX

Chiang Mai

2 stops

63h 10m
$604

Multiple Airlines

Pick Dates

Deal found 11/28

Feb 6
SEA

Seattle/Tacoma Intl

CNX

Chiang Mai

3 stops

42h 10m
$606

Multiple Airlines

Pick Dates

Deal found 11/30

Mar 25
SEA

Seattle/Tacoma Intl

CNX

Chiang Mai

2 stops

45h 55m
$630

Multiple Airlines

Pick Dates

Deal found 11/30

Related info for your journey

Useful info, stats and facts about Seattle to Chiang Mai flights.

Which airlines flying from Seattle/Tacoma Intl to Chiang Mai have flexible cancellations due to COVID-19?

Some of the carriers operating flights from Seattle/Tacoma Intl to Chiang Mai that may be offering flexible cancellation policies are EVA Air, Cathay Pacific, and Korean Air. Our site will let you filter for all airlines offering greater flexibility due to COVID-19.

Can I find flights from Seattle to Chiang Mai for under $900 on Cheapflights?

Yes, there are multiple flights from Seattle to Chiang Mai for under $900. The cheapest flight booked recently is on EVA Air for just $875, but on average you can expect to pay $927.

What are the cheapest airlines flying from Seattle to Chiang Mai round-trip?

According to our current data, EVA Air ($875), and Korean Air ($941) offers the cheapest pricing from Seattle to Chiang Mai. Users have found that EVA Air is 33% cheaper than the other options available to this destination.

What are the cheapest airlines to fly from Seattle to Chiang Mai one-way?

The cheapest airline one-way is Singapore Airlines, with whom users have recently found tickets for as low as $653. However, be on the lookout for offers from EVA Air and Korean Air, as they are both options that can get you from Seattle to Chiang Mai for a low price.

What are the most popular airlines that fly from Seattle to Chiang Mai?

Before booking your flight from Seattle to Chiang Mai check out the most popular airlines for this route: EVA Air, Cathay Pacific or Delta.

What are the cheapest flights from Seattle to Chiang Mai?

While on average a flight from Seattle to Chiang Mai is generally $2,978, our data shows the cheapest flight currently is $681. When looking at the most popular route, (Seattle/Tacoma Intl - Chiang Mai), you can expect to pay $897 for that flight.

Alternative routes for Seattle to Chiang Mai

See prices for flight routes from nearby airports that may be better suited for you.
Seattle to Koh Samuifrom $1,199 pp
Seattle to Krabifrom $1,521 pp
Spokane to Chiang Maifrom $2,034 pp

Top 5 airlines flying from Seattle to Chiang Mai

The chart below displays the airlines Cheapflights users traveling from Seattle to Chiang Mai choose most often. Cheapest and average prices are based on aggregated data from the past 12 months.
AirlineCheapestAverageFlexibilityOn-timeCOVID-19 safety
Cathay PacificCheapest$657Average$1,036FlexibilityNo cancel feeOn-time72%COVID-19 safety
Search Cathay Pacific flights
China EasternCheapest$672Average$775FlexibilityNo cancel feeOn-time62%COVID-19 safety
Search China Eastern flights
EVA AirCheapest$881Average$1,020FlexibilityNo cancel feeOn-time74%COVID-19 safety
Search EVA Air flights
Korean AirCheapest$1,013Average$1,308FlexibilityNo cancel feeOn-time81%COVID-19 safety
Search Korean Air flights
DeltaCheapest$1,142Average$1,601FlexibilityNo cancel feeOn-timeN/ACOVID-19 safety
Search Delta flights