How long does it take to fly to Chiang Mai?

On average, it takes 25h to fly from Oregon to Chiang Mai if you fly out of Portland (the most popular airport in Oregon) and into Chiang Mai (the most popular airport in Chiang Mai). If you’re flying out of Eugene and into Chiang Mai, then the flight time is around 48h 50m.

What is the cheapest airline that flies from Oregon to Chiang Mai?

Korean Air is the most popular carrier operating from Oregon to Chiang Mai

When did momondo last update prices for flights from Oregon to Chiang Mai Airport?

Prices for flights from Oregon to Chiang Mai Airport were last updated today.

How many operators does momondo search for flights from Oregon to Chiang Mai Airport?

As of December 2025, there is 1 operator available to choose from for flights from Oregon to Chiang Mai Airport.

How old do you have to be to fly from Oregon to Chiang Mai Airport?

The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Oregon to Chiang Mai Airport.

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

The required travel and health documents for your Chiang Mai Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Chiang Mai Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$468 Cheap Flights from Oregon to Chiang Mai in 2025/26

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Find the cheapest flights from Oregon to Chiang Mai

Round-trip

One-way

Cheap round-trip flights

Enter your travel dates to find the best prices.

6:07 am - 10:55 pm

EUG

CNX

25h 48m2 stops

12:15 am - 5:09 pm

CNX

EUG

30h 54m2 stops

$865Korean Air

Thu, Mar 5 - Sun, Mar 8

1:35 pm - 10:20 am

PDX

CNX

30h 45m2 stops

11:20 am - 9:30 am

CNX

PDX

36h 10m2 stops

$872Multiple Airlines

Mon, Apr 20 - Thu, Apr 30

7:24 am - 2:20 pm

PDX

CNX

39h 56m2 stops

3:35 pm - 4:25 pm

CNX

PDX

39h 50m2 stops

$914Multiple Airlines

Thu, Jan 22 - Mon, Feb 2

10:33 am - 10:25 am

PDX

CNX

32h 52m2 stops

11:25 am - 10:46 pm

CNX

PDX

26h 21m2 stops

$922China Airlines

Mon, Jan 12 - Tue, Jan 20

4:51 pm - 10:25 am

PDX

CNX

26h 34m2 stops

5:35 pm - 11:44 pm

CNX

PDX

21h 09m2 stops

$963Multiple Airlines

Mon, Jan 12 - Mon, Feb 16

7:05 am - 9:20 am

PDX

CNX

36h 15m3 stops

11:35 am - 7:55 pm

CNX

PDX

22h 20m2 stops

$964Multiple Airlines

Mon, Apr 20 - Thu, Apr 30

5:45 pm - 10:25 am

PDX

CNX

26h 40m2 stops

11:35 am - 10:53 pm

CNX

PDX

25h 18m2 stops

$977Multiple Airlines

Tue, Apr 21 - Wed, Apr 29

7:15 am - 10:55 pm

PDX

CNX

24h 40m2 stops

12:15 am - 4:43 pm

CNX

PDX

30h 28m2 stops

$980Korean Air

Thu, Mar 5 - Sun, Mar 8

2:47 pm - 10:35 am

PDX

CNX

28h 48m2 stops

11:50 am - 9:41 pm

CNX

PDX

24h 51m2 stops

$993EVA Air

Thu, Feb 26 - Sun, Mar 8

7:05 am - 9:20 am

PDX

CNX

36h 15m3 stops

11:55 am - 9:31 am

CNX

PDX

35h 36m3 stops

$1,013Multiple Airlines

Mon, Apr 20 - Thu, Apr 30

EVA Air flights from Oregon to Chiang Mai

Our best EVA Air deals on Oregon to Chiang Mai flight tickets

EVA Air

Feb 26

PDX2:47 pmPortland

28h 48m

2 stops

CNX10:35 amChiang Mai

Mar 8

CNX11:50 amChiang Mai

24h 51m

2 stops

PDX9:41 pmPortland

$993

Find similar

EVA Air

Jan 7

PDX5:35 pmPortland

26h 00m

2 stops

CNX10:35 amChiang Mai

Feb 11

CNX11:50 amChiang Mai

37h 56m

2 stops

PDX10:46 amPortland

$1,150

Find similar

EVA Air

Jan 12

PDX5:35 amPortland

36h 50m

3 stops

CNX9:25 amChiang Mai

Jan 20

CNX9:40 pmChiang Mai

32h 08m

3 stops

PDX2:48 pmPortland

$1,242

Find similar

Korean Air flights from Oregon to Chiang Mai

Our best Korean Air deals on Oregon to Chiang Mai flight tickets

Korean Air

Mar 5

EUG6:07 amEugene

25h 48m

2 stops

CNX10:55 pmChiang Mai

Mar 8

CNX12:15 amChiang Mai

30h 54m

2 stops

EUG5:09 pmEugene

$865

Find similar

Korean Air

Mar 5

PDX7:15 amPortland

24h 40m

2 stops

CNX10:55 pmChiang Mai

Mar 8

CNX12:15 amChiang Mai

30h 28m

2 stops

PDX4:43 pmPortland

$980

Find similar

Fly from

Fly to

Route

Depart

Return

Price

EugeneChiang Mai

EUG - CNX

EUGCNX

Eugene

Thu 3/5

6:07 am-10:55 pm

2 stops25h 48m

Chiang Mai

Sun 3/8

12:15 am-5:09 pm

2 stops30h 54m

$865

PortlandChiang Mai

PDX - CNX

PDXCNX

Portland

Mon 4/20

1:35 pm-10:20 am

2 stops30h 45m

Chiang Mai

Thu 4/30

11:20 am-9:30 am

2 stops36h 10m

$872

PortlandChiang Mai

PDX - CNX

PDXCNX

Portland

Thu 1/22

7:24 am-2:20 pm

2 stops39h 56m

Chiang Mai

Mon 2/2

3:35 pm-4:25 pm

2 stops39h 50m

$914

PortlandChiang Mai

PDX - CNX

PDXCNX

Portland

Mon 1/12

10:33 am-10:25 am

2 stops32h 52m

Chiang Mai

Tue 1/20

11:25 am-10:46 pm

2 stops26h 21m

$922

PortlandChiang Mai

PDX - CNX

PDXCNX

Portland

Mon 1/12

4:51 pm-10:25 am

2 stops26h 34m

Chiang Mai

Mon 2/16

5:35 pm-11:44 pm

2 stops21h 09m

$963

PortlandChiang Mai

PDX - CNX

PDXCNX

Portland

Mon 4/20

7:05 am-9:20 am

3 stops36h 15m

Chiang Mai

Thu 4/30

11:35 am-7:55 pm

2 stops22h 20m

$964

PortlandChiang Mai

PDX - CNX

PDXCNX

Portland

Tue 4/21

5:45 pm-10:25 am

2 stops26h 40m

Chiang Mai

Wed 4/29

11:35 am-10:53 pm

2 stops25h 18m

$977

PortlandChiang Mai

PDX - CNX

PDXCNX

Portland

Thu 3/5

7:15 am-10:55 pm

2 stops24h 40m

Chiang Mai

Sun 3/8

12:15 am-4:43 pm

2 stops30h 28m

$980

PortlandChiang Mai

PDX - CNX

PDXCNX

Portland

Thu 2/26

2:47 pm-10:35 am

2 stops28h 48m

Chiang Mai

Sun 3/8

11:50 am-9:41 pm

2 stops24h 51m

$993

PortlandChiang Mai

PDX - CNX

PDXCNX

Portland

Mon 4/20

7:05 am-9:20 am

3 stops36h 15m

Chiang Mai

Thu 4/30

11:55 am-9:31 am

3 stops35h 36m

$1,013

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 18 resultsSorted by cheapest first

How to get the cheapest flight ticket from Oregon 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

Prices

Airlines

Other information

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

The cheapest day to depart from Oregon to Chiang Mai is on a Wednesday. Travelers who choose to depart for Chiang Mai on a Wednesday will often find tickets for as low as $1,172. When flying out on a Tuesday, the most expensive travel day of the week, you can expect to see flight prices from Oregon to Chiang Mai for around $1,526.

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

Flying to Chiang Mai from Oregon in the morning is the least expensive time of day to depart. momondo users have found prices as low as $1,172 when looking at flights departing in the morning. Flights to Chiang Mai are more costly at noon, with an average ticket price of $1,991. Departure times at noon fall within the peak daily travel times, which is why tickets can be more expensive.

Cheap Oregon to Chiang Mai flight deals and tips

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

Fastest flight time	25h 00m
Direct flights	None

The fastest flight from Oregon to Chiang Mai takes 25h 00m

There are no direct flights from Oregon to Chiang Mai. There are no popular flight routes from Oregon to Chiang Mai.

Search flight deals

When did momondo last update prices for flights from Oregon to Chiang Mai Airport?
Prices for flights from Oregon to Chiang Mai Airport were last updated today.
How many operators does momondo search for flights from Oregon to Chiang Mai Airport?
As of December 2025, there is 1 operator available to choose from for flights from Oregon to Chiang Mai Airport.
How old do you have to be to fly from Oregon to Chiang Mai Airport?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Oregon to Chiang Mai Airport.
What documentation or ID do you need to fly to Chiang Mai Airport?
The required travel and health documents for your Chiang Mai Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Chiang Mai Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Best airlines flying from Oregon to Chiang Mai

Compare and see reviews for airlines that fly from Oregon to Chiang Mai with momondo

Airline	Rating	Free Cancellation	Price
EVA Air	PriceFrom $963	Free Cancellation	Rating 8.4 1,298 reviews		Search EVA Air flights

Why use momondo?

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

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Chiang Mai from Oregon.

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

Yes. All flights to Chiang Mai from Oregon on momondo can be compared and filtered by various policies on offer, including flexible booking.

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

Once you have performed a search for Oregon to Chiang Mai flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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

Yes momondo offers price alerts on flights to Chiang Mai from Oregon. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.