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Cheap flights from Portland to Chiang Mai from $546

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Portland to Chiang Mai departing on 4/25. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Find the cheapest flights from Portland to Chiang Mai

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
7:18 pm - 10:25 am
PDX
-
CNX
25h 07m
2 stops
Multiple Airlines Logo
11:35 am - 1:47 pm
CNX
-
PDX
40h 12m
2 stops
$996Multiple Airlines
sáb., abr. 25 - dom., may. 10
EVA Air Logo
7:05 am - 10:35 am
PDX
-
CNX
36h 30m
2 stops
EVA Air Logo
11:50 am - 7:49 am
CNX
-
PDX
34h 59m
2 stops
$1,000EVA Air
jue., feb. 26 - dom., mar. 8
Multiple Airlines Logo
7:05 am - 9:25 am
PDX
-
CNX
35h 20m
3 stops
Multiple Airlines Logo
7:45 pm - 11:44 pm
CNX
-
PDX
41h 59m
3 stops
$1,029Multiple Airlines
jue., feb. 26 - dom., mar. 8
Multiple Airlines Logo
7:05 am - 9:25 am
PDX
-
CNX
35h 20m
3 stops
Multiple Airlines Logo
11:50 am - 9:41 pm
CNX
-
PDX
24h 51m
2 stops
$1,049Multiple Airlines
jue., feb. 26 - dom., mar. 8
Multiple Airlines Logo
5:30 pm - 1:45 pm
PDX
-
CNX
30h 15m
3 stops
Multiple Airlines Logo
11:35 am - 10:13 pm
CNX
-
PDX
24h 38m
2 stops
$1,076Multiple Airlines
sáb., abr. 25 - dom., may. 10
Multiple Airlines Logo
9:48 pm - 10:35 am
PDX
-
CNX
45h 47m
2 stops
Multiple Airlines Logo
7:45 pm - 11:44 pm
CNX
-
PDX
41h 59m
3 stops
$1,080Multiple Airlines
jue., feb. 26 - dom., mar. 8
Multiple Airlines Logo
5:30 pm - 1:45 pm
PDX
-
CNX
30h 15m
3 stops
Multiple Airlines Logo
11:35 am - 8:00 pm
CNX
-
PDX
22h 25m
2 stops
$1,106Multiple Airlines
sáb., abr. 25 - dom., may. 10
Multiple Airlines Logo
5:40 pm - 1:20 pm
PDX
-
CNX
28h 40m
3 stops
Multiple Airlines Logo
7:45 pm - 11:44 pm
CNX
-
PDX
41h 59m
3 stops
$1,315Multiple Airlines
jue., feb. 26 - dom., mar. 8
Multiple Airlines Logo
7:00 am - 11:15 am
PDX
-
CNX
38h 15m
3 stops
Multiple Airlines Logo
8:00 pm - 2:36 pm
CNX
-
PDX
32h 36m
3 stops
$1,400Multiple Airlines
sáb., abr. 25 - dom., may. 10
Multiple Airlines Logo
5:51 pm - 1:45 pm
PDX
-
CNX
29h 54m
3 stops
Multiple Airlines Logo
8:00 pm - 2:36 pm
CNX
-
PDX
32h 36m
3 stops
$1,401Multiple Airlines
sáb., abr. 25 - dom., may. 10

momondo Fare Finder

 
Customize your flight search to find flights from Portland 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 enero 28, 2026.
Use the filters below to find and compare flights from Portland to Chiang Mai that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

PortlandChiang Mai

PDX - CNX

PDXCNX

Portland

sáb. 4/25

7:18 pm-10:25 am

2 stops25h 07m

Chiang Mai

dom. 5/10

11:35 am-1:47 pm

2 stops40h 12m

$996

PortlandChiang Mai

PDX - CNX

PDXCNX

Portland

jue. 2/26

7:05 am-10:35 am

2 stops36h 30m

Chiang Mai

dom. 3/8

11:50 am-7:49 am

2 stops34h 59m

$1,000

PortlandChiang Mai

PDX - CNX

PDXCNX

Portland

jue. 2/26

7:05 am-9:25 am

3 stops35h 20m

Chiang Mai

dom. 3/8

7:45 pm-11:44 pm

3 stops41h 59m

$1,029

PortlandChiang Mai

PDX - CNX

PDXCNX

Portland

jue. 2/26

7:05 am-9:25 am

3 stops35h 20m

Chiang Mai

dom. 3/8

11:50 am-9:41 pm

2 stops24h 51m

$1,049

PortlandChiang Mai

PDX - CNX

PDXCNX

Portland

sáb. 4/25

5:30 pm-1:45 pm

3 stops30h 15m

Chiang Mai

dom. 5/10

11:35 am-10:13 pm

2 stops24h 38m

$1,076

PortlandChiang Mai

PDX - CNX

PDXCNX

Portland

jue. 2/26

9:48 pm-10:35 am

2 stops45h 47m

Chiang Mai

dom. 3/8

7:45 pm-11:44 pm

3 stops41h 59m

$1,080

PortlandChiang Mai

PDX - CNX

PDXCNX

Portland

sáb. 4/25

5:30 pm-1:45 pm

3 stops30h 15m

Chiang Mai

dom. 5/10

11:35 am-8:00 pm

2 stops22h 25m

$1,106

PortlandChiang Mai

PDX - CNX

PDXCNX

Portland

jue. 2/26

5:40 pm-1:20 pm

3 stops28h 40m

Chiang Mai

dom. 3/8

7:45 pm-11:44 pm

3 stops41h 59m

$1,315

PortlandChiang Mai

PDX - CNX

PDXCNX

Portland

sáb. 4/25

7:00 am-11:15 am

3 stops38h 15m

Chiang Mai

dom. 5/10

8:00 pm-2:36 pm

3 stops32h 36m

$1,400

PortlandChiang Mai

PDX - CNX

PDXCNX

Portland

sáb. 4/25

5:51 pm-1:45 pm

3 stops29h 54m

Chiang Mai

dom. 5/10

8:00 pm-2:36 pm

3 stops32h 36m

$1,401

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 18 resultsSorted by cheapest first
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How to get the cheapest flight ticket from Portland to Chiang Mai

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What is the typical price of a round-trip flight between Portland and Chiang Mai?

When to book flights from Portland to Chiang Mai

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

Cheap Portland to Chiang Mai (PDX to CNX) flight deals and tips

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

Fastest flight time

25h 07m

Direct flights

None
The fastest flight from Portland to Chiang Mai takes 25h 07m
There are no direct flights from Portland to Chiang Mai. There are no popular flight routes from Portland to Chiang Mai.
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  • How far is Portland to Chiang Mai by plane?

    Chiang Mai is 7278.1 mi away from Portland. A reasonable flight in good conditions will take 25h 07m.

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

    Prices for flights from Portland Airport to Chiang Mai Airport refresh daily.

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

  • How old do you have to be to fly from Portland 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 Portland Airport to Chiang Mai Airport.

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

    The travel and health documents you'll need for your trip to Chiang Mai Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Chiang Mai Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

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

Best airlines flying from Portland to Chiang Mai

Compare and see reviews for airlines that fly from Portland to Chiang Mai with momondo
Airline
Rating
Free Cancellation
Price
EVA AirPriceFrom $963Free CancellationRating
8.4
1,334 reviews
Search EVA Air flights

Why use momondo?

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

It is quick and easy to find Portland to Chiang Mai flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Chiang Mai that suits you.

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

Flights from Portland 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 Portland to Chiang Mai?

Once all potential Portland to Chiang Mai flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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

Of course. momondo tracks the price of Portland to Chiang Mai flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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