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Cheap flights from Oregon to Chiang Mai from $456

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Oregon to Chiang Mai departing on 8/24. 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 Oregon to Chiang Mai

Cheap round-trip flights

Delta Logo
6:30 am - 9:55 pmEUG-CNX
25h 25m2 stops
Delta Logo
11:15 pm - 10:42 pmCNX-EUG
37h 27m2 stops
$816Delta
Find Deal
Fri, Sep 19 - Tue, Sep 23
Korean Air Logo
6:30 am - 9:55 pmEUG-CNX
25h 25m2 stops
Korean Air Logo
11:15 pm - 3:06 pmCNX-EUG
29h 51m2 stops
$822Korean Air
Find Deal
Tue, Sep 16 - Sat, Oct 18
Logo
1:45 pm - 3:55 pmPDX-CNX
35h 10m2 stops
Logo
4:55 pm - 6:53 pmCNX-PDX
40h 58m2 stops
$835
Find Deal
Thu, Jan 22 - Thu, Feb 5
Delta Logo
5:30 am - 11:05 pmPDX-CNX
27h 35m2 stops
Delta Logo
12:15 am - 11:51 pmCNX-PDX
38h 36m2 stops
$840Delta
Find Deal
Mon, Oct 27 - Sun, Nov 9
Logo
10:36 am - 11:40 pmPDX-CNX
23h 04m2 stops
Logo
12:45 am - 10:47 pmCNX-PDX
36h 02m2 stops
$858
Find Deal
Tue, Sep 9 - Mon, Sep 15
STARLUX Airlines Logo
7:45 pm - 3:55 pmPDX-CNX
29h 10m2 stops
STARLUX Airlines Logo
4:55 pm - 8:43 pmCNX-PDX
42h 48m2 stops
$888STARLUX Airlines
Find Deal
Sun, Jan 25 - Thu, Feb 5
China Airlines Logo
3:29 pm - 10:25 amPDX-CNX
27h 56m2 stops
China Airlines Logo
11:25 am - 11:19 pmCNX-PDX
26h 54m2 stops
$902China Airlines
Find Deal
Mon, Nov 10 - Wed, Dec 3
STARLUX Airlines Logo
7:45 pm - 3:55 pmPDX-CNX
29h 10m2 stops
STARLUX Airlines Logo
4:55 pm - 10:26 pmCNX-PDX
44h 31m2 stops
$923STARLUX Airlines
Find Deal
Sun, Jan 25 - Sat, Feb 7
China Airlines Logo
10:30 am - 10:20 amPDX-CNX
33h 50m2 stops
China Airlines Logo
11:25 am - 11:19 pmCNX-PDX
26h 54m2 stops
$928China Airlines
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Thu, Sep 4 - Wed, Dec 3
EVA Air Logo
12:33 pm - 10:35 amPDX-CNX
55h 02m2 stops
EVA Air Logo
11:50 am - 8:50 pmCNX-PDX
24h 00m2 stops
$1,075EVA Air
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Tue, Nov 4 - Sun, Nov 16

Korean Air flights from Oregon to Chiang Mai

Our best Korean Air deals on Oregon to Chiang Mai flight tickets
Korean Air
Sep 16
EUG6:30 amEugene
25h 25m
2 stops
CNX9:55 pmChiang Mai
Oct 18
CNX11:15 pmChiang Mai
29h 51m
2 stops
EUG3:06 pmEugene
$822
Find similar
Korean Air
Sep 13
PDX5:01 pmPortland
38h 54m
2 stops
CNX9:55 pmChiang Mai
Sep 21
CNX11:15 pmChiang Mai
31h 55m
2 stops
PDX5:10 pmPortland
$846
Find similar
Korean Air
Oct 22
PDX9:17 amPortland
22h 38m
2 stops
CNX9:55 pmChiang Mai
Oct 28
CNX12:15 amChiang Mai
34h 24m
2 stops
PDX8:39 pmPortland
$953
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China Airlines flights from Oregon to Chiang Mai

Our best China Airlines deals on Oregon to Chiang Mai flight tickets
China Airlines
Nov 10
PDX3:29 pmPortland
27h 56m
2 stops
CNX10:25 amChiang Mai
Dec 3
CNX11:25 amChiang Mai
26h 54m
2 stops
PDX11:19 pmPortland
$902
Find similar
China Airlines
Sep 4
PDX10:30 amPortland
33h 50m
2 stops
CNX10:20 amChiang Mai
Dec 3
CNX11:25 amChiang Mai
26h 54m
2 stops
PDX11:19 pmPortland
$928
Find similar
China Airlines
Sep 28
PDX2:32 pmPortland
29h 48m
2 stops
CNX10:20 amChiang Mai
Oct 5
CNX11:20 amChiang Mai
36h 10m
2 stops
PDX9:30 amPortland
$962
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Oregon to Chiang Mai that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated August 14, 2025.
Use the filters below to find and compare flights from Oregon to Chiang Mai that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

EugeneChiang Mai

EUG - CNX

EUGCNX

Eugene

Fri 9/19

6:30 am-9:55 pm

2 stops25h 25m

Chiang Mai

Tue 9/23

11:15 pm-10:42 pm

2 stops37h 27m

$816

EugeneChiang Mai

EUG - CNX

EUGCNX

Eugene

Tue 9/16

6:30 am-9:55 pm

2 stops25h 25m

Chiang Mai

Sat 10/18

11:15 pm-3:06 pm

2 stops29h 51m

$822

PortlandChiang Mai

PDX - CNX

PDXCNX

Portland

Thu 1/22

1:45 pm-3:55 pm

2 stops35h 10m

Chiang Mai

Thu 2/5

4:55 pm-6:53 pm

2 stops40h 58m

$835

PortlandChiang Mai

PDX - CNX

PDXCNX

Portland

Mon 10/27

5:30 am-11:05 pm

2 stops27h 35m

Chiang Mai

Sun 11/9

12:15 am-11:51 pm

2 stops38h 36m

$840

PortlandChiang Mai

PDX - CNX

PDXCNX

Portland

Tue 9/9

10:36 am-11:40 pm

2 stops23h 04m

Chiang Mai

Mon 9/15

12:45 am-10:47 pm

2 stops36h 02m

$858

PortlandChiang Mai

PDX - CNX

PDXCNX

Portland

Sun 1/25

7:45 pm-3:55 pm

2 stops29h 10m

Chiang Mai

Thu 2/5

4:55 pm-8:43 pm

2 stops42h 48m

$888

PortlandChiang Mai

PDX - CNX

PDXCNX

Portland

Mon 11/10

3:29 pm-10:25 am

2 stops27h 56m

Chiang Mai

Wed 12/3

11:25 am-11:19 pm

2 stops26h 54m

$902

PortlandChiang Mai

PDX - CNX

PDXCNX

Portland

Sun 1/25

7:45 pm-3:55 pm

2 stops29h 10m

Chiang Mai

Sat 2/7

4:55 pm-10:26 pm

2 stops44h 31m

$923

PortlandChiang Mai

PDX - CNX

PDXCNX

Portland

Thu 9/4

10:30 am-10:20 am

2 stops33h 50m

Chiang Mai

Wed 12/3

11:25 am-11:19 pm

2 stops26h 54m

$928

PortlandChiang Mai

PDX - CNX

PDXCNX

Portland

Tue 11/4

12:33 pm-10:35 am

2 stops55h 02m

Chiang Mai

Sun 11/16

11:50 am-8:50 pm

2 stops24h 00m

$1,075

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Chiang Mai from

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

What is the cheapest month to fly to Chiang Mai?

If you don’t want to visit Chiang Mai in May, then you should wait until October to fly from Oregon, when ticket prices are also cheap, with an average price of $1,031.

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

Best Price Found

$456

Fastest flight time

22h 35m

Direct flights

None

Airports in Chiang Mai

1 airport
The best one-way flight to Chiang Mai from Oregon in the past 72 hours is $456. The best round-trip flight deal from Oregon to Chiang Mai found on momondo in the last 72 hours is $816.
The fastest flight from Oregon to Chiang Mai takes 22h 35m
There are no direct flights from Oregon to Chiang Mai. Popular non-direct routes for this connection are Eugene Airport - Chiang Mai Airport and Portland Airport - Chiang Mai Airport.
There is 1 airport near Chiang Mai: Chiang Mai (CNX)
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?

  • 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
Korean AirPriceFrom $789Free CancellationRating
8.4
1,131 reviews
Search Korean Air flights
EVA AirPriceFrom $1,030Free CancellationRating
8.4
1,233 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.

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