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Cheap flights from Chicago O'Hare Intl Airport to Chiang Mai from $528

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Chicago O'Hare Intl Airport to Chiang Mai departing on 1/24. 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 Chicago O'Hare Intl Airport to Chiang Mai

Cheap round-trip flights

Enter your travel dates to find the best prices.
Cathay Pacific Logo
3:35 pm - 6:50 pm
ORD
-
CNX
39h 15m1 stop
Cathay Pacific Logo
7:40 pm - 1:55 pm
CNX
-
ORD
30h 15m1 stop
$834Cathay Pacific
Thu, Mar 12 - Wed, Mar 18
Multiple Airlines Logo
4:25 pm - 9:25 am
ORD
-
CNX
28h 00m2 stops
Multiple Airlines Logo
5:05 pm - 7:20 am
CNX
-
ORD
27h 15m2 stops
$837Multiple Airlines
Wed, Jan 21 - Wed, Feb 4
Multiple Airlines Logo
4:25 pm - 9:25 am
ORD
-
CNX
28h 00m2 stops
Multiple Airlines Logo
5:05 pm - 7:20 am
CNX
-
ORD
27h 15m2 stops
$838Multiple Airlines
Wed, Jan 21 - Wed, Feb 4
Cathay Pacific Logo
2:35 pm - 6:50 pm
ORD
-
CNX
39h 15m1 stop
Cathay Pacific Logo
7:40 pm - 12:55 pm
CNX
-
ORD
30h 15m1 stop
$859Cathay Pacific
Tue, Feb 3 - Sun, Feb 8
Multiple Airlines Logo
4:25 pm - 9:25 am
ORD
-
CNX
28h 00m2 stops
Multiple Airlines Logo
5:05 pm - 7:20 am
CNX
-
ORD
27h 15m2 stops
$862Multiple Airlines
Wed, Jan 21 - Mon, Feb 16
Cathay Pacific Logo
2:35 pm - 9:50 am
ORD
-
CNX
30h 15m1 stop
Cathay Pacific Logo
7:40 pm - 12:55 pm
CNX
-
ORD
30h 15m1 stop
$864Cathay Pacific
Thu, Jan 29 - Tue, Feb 10
EVA Air Logo
11:30 pm - 10:35 am
ORD
-
CNX
22h 05m1 stop
EVA Air Logo
11:50 am - 8:35 pm
CNX
-
ORD
20h 45m1 stop
$869EVA Air
Wed, Feb 18 - Wed, Mar 18
EVA Air Logo
11:30 pm - 10:35 am
ORD
-
CNX
22h 05m1 stop
EVA Air Logo
11:50 am - 7:35 pm
CNX
-
ORD
20h 45m1 stop
$870EVA Air
Thu, Feb 19 - Thu, Feb 26
Multiple Airlines Logo
4:25 pm - 9:25 am
ORD
-
CNX
28h 00m2 stops
Multiple Airlines Logo
10:10 am - 7:20 am
CNX
-
ORD
34h 10m2 stops
$872Multiple Airlines
Thu, Jan 22 - Wed, Feb 18
Cathay Pacific Logo
2:35 pm - 9:50 am
ORD
-
CNX
30h 15m1 stop
Cathay Pacific Logo
7:40 pm - 12:55 pm
CNX
-
ORD
30h 15m1 stop
$887Cathay Pacific
Sat, Jan 31 - Tue, Feb 10

Cathay Pacific flights from Chicago O'Hare Intl Airport to Chiang Mai

Our best Cathay Pacific deals on Chicago O'Hare Intl Airport to Chiang Mai flight tickets
Cathay Pacific
Mar 12
ORD3:35 pmChicago O'Hare Intl
39h 15m
1 stop
CNX6:50 pmChiang Mai
Mar 18
CNX7:40 pmChiang Mai
30h 15m
1 stop
ORD1:55 pmChicago O'Hare Intl
$834
Find similar
Cathay Pacific
Feb 3
ORD2:35 pmChicago O'Hare Intl
39h 15m
1 stop
CNX6:50 pmChiang Mai
Feb 8
CNX7:40 pmChiang Mai
30h 15m
1 stop
ORD12:55 pmChicago O'Hare Intl
$859
Find similar
Cathay Pacific
Jan 29
ORD2:35 pmChicago O'Hare Intl
30h 15m
1 stop
CNX9:50 amChiang Mai
Feb 10
CNX7:40 pmChiang Mai
30h 15m
1 stop
ORD12:55 pmChicago O'Hare Intl
$864
Find similar

EVA Air flights from Chicago O'Hare Intl Airport to Chiang Mai

Our best EVA Air deals on Chicago O'Hare Intl Airport to Chiang Mai flight tickets
EVA Air
Feb 18
ORD11:30 pmChicago O'Hare Intl
22h 05m
1 stop
CNX10:35 amChiang Mai
Mar 18
CNX11:50 amChiang Mai
20h 45m
1 stop
ORD8:35 pmChicago O'Hare Intl
$869
Find similar
EVA Air
Feb 19
ORD11:30 pmChicago O'Hare Intl
22h 05m
1 stop
CNX10:35 amChiang Mai
Feb 26
CNX11:50 amChiang Mai
20h 45m
1 stop
ORD7:35 pmChicago O'Hare Intl
$870
Find similar
EVA Air
May 2
ORD12:30 amChicago O'Hare Intl
21h 55m
1 stop
CNX10:25 amChiang Mai
May 28
CNX11:35 amChiang Mai
21h 25m
1 stop
ORD9:00 pmChicago O'Hare Intl
$907
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Chicago O'Hare Intl Airport 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 December 4, 2025.
Use the filters below to find and compare flights from Chicago O'Hare Intl Airport to Chiang Mai that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

ChicagoChiang Mai

ORD - CNX

ORDCNX

Chicago O'Hare Intl

Thu 3/12

3:35 pm-6:50 pm

1 stop39h 15m

Chiang Mai

Wed 3/18

7:40 pm-1:55 pm

1 stop30h 15m

$834

ChicagoChiang Mai

ORD - CNX

ORDCNX

Chicago O'Hare Intl

Wed 1/21

4:25 pm-9:25 am

2 stops28h 00m

Chiang Mai

Wed 2/4

5:05 pm-7:20 am

2 stops27h 15m

$837

ChicagoChiang Mai

ORD - CNX

ORDCNX

Chicago O'Hare Intl

Wed 1/21

4:25 pm-9:25 am

2 stops28h 00m

Chiang Mai

Wed 2/4

5:05 pm-7:20 am

2 stops27h 15m

$838

ChicagoChiang Mai

ORD - CNX

ORDCNX

Chicago O'Hare Intl

Tue 2/3

2:35 pm-6:50 pm

1 stop39h 15m

Chiang Mai

Sun 2/8

7:40 pm-12:55 pm

1 stop30h 15m

$859

ChicagoChiang Mai

ORD - CNX

ORDCNX

Chicago O'Hare Intl

Wed 1/21

4:25 pm-9:25 am

2 stops28h 00m

Chiang Mai

Mon 2/16

5:05 pm-7:20 am

2 stops27h 15m

$862

ChicagoChiang Mai

ORD - CNX

ORDCNX

Chicago O'Hare Intl

Thu 1/29

2:35 pm-9:50 am

1 stop30h 15m

Chiang Mai

Tue 2/10

7:40 pm-12:55 pm

1 stop30h 15m

$864

ChicagoChiang Mai

ORD - CNX

ORDCNX

Chicago O'Hare Intl

Wed 2/18

11:30 pm-10:35 am

1 stop22h 05m

Chiang Mai

Wed 3/18

11:50 am-8:35 pm

1 stop20h 45m

$869

ChicagoChiang Mai

ORD - CNX

ORDCNX

Chicago O'Hare Intl

Thu 2/19

11:30 pm-10:35 am

1 stop22h 05m

Chiang Mai

Thu 2/26

11:50 am-7:35 pm

1 stop20h 45m

$870

ChicagoChiang Mai

ORD - CNX

ORDCNX

Chicago O'Hare Intl

Thu 1/22

4:25 pm-9:25 am

2 stops28h 00m

Chiang Mai

Wed 2/18

10:10 am-7:20 am

2 stops34h 10m

$872

ChicagoChiang Mai

ORD - CNX

ORDCNX

Chicago O'Hare Intl

Sat 1/31

2:35 pm-9:50 am

1 stop30h 15m

Chiang Mai

Tue 2/10

7:40 pm-12:55 pm

1 stop30h 15m

$887

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 13 resultsSorted by cheapest first
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See travel insights to Chiang Mai from

How to get the cheapest flight ticket from Chicago O'Hare Intl Airport 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 February, then you should wait until September to fly from Chicago O'Hare Intl Airport, when ticket prices are also cheap, with an average price of $1,018.

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

The cheapest day to depart from Chicago O'Hare Intl Airport to Chiang Mai is on a Tuesday. Travelers who choose to depart for Chiang Mai on a Tuesday will often find tickets for as low as $1,108. When flying out on a Saturday, the most expensive travel day of the week, you can expect to see flight prices from Chicago O'Hare Intl Airport to Chiang Mai for around $1,515.

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

Flying to Chiang Mai from Chicago O'Hare Intl Airport in the evening is the least expensive time of day to depart. momondo users have found prices as low as $1,231 when looking at flights departing in the evening. Flights to Chiang Mai are more costly in the morning, with an average ticket price of $1,392. Departure times in the morning fall within the peak daily travel times, which is why tickets can be more expensive.

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

You are more likely to see cheaper flights to Chiang Mai from Chicago O'Hare Intl Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Chiang Mai for around $1,302 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Chiang Mai from Chicago O'Hare Intl Airport for as low as $979 on momondo.

Can stopping save me money on Chicago O'Hare Intl Airport to Chiang Mai flights?

You could potentially save up to 58% on your flight if you consider stops on a Chicago O'Hare Intl Airport to Chiang Mai flight.

When to book flights from Chicago O'Hare Intl Airport to Chiang Mai

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

Cheap Chicago O'Hare Intl Airport to Chiang Mai (ORD to CNX) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Chicago O'Hare Intl Airport to Chiang Mai

Fastest flight time

22h 05m

Direct flights

None
The fastest flight from Chicago O'Hare Intl Airport to Chiang Mai takes 22h 05m
There are no direct flights from Chicago O'Hare Intl Airport to Chiang Mai. There are no popular flight routes from Chicago O'Hare Intl Airport to Chiang Mai.
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  • How far is Chicago O'Hare Intl to Chiang Mai by plane?

    A flight from Chicago O'Hare Intl to Chiang Mai will travel around 8209.5 mi. A reasonable flight in good conditions will take 21h 55m.

  • When did momondo last update prices for flights from Chicago O'Hare Intl Airport to Chiang Mai Airport?

    Prices for flights from Chicago O'Hare Intl Airport to Chiang Mai Airport are updated daily.

  • How many operators does momondo search for flights from Chicago O'Hare Intl Airport to Chiang Mai Airport?

  • How old do you have to be to fly from Chicago O'Hare Intl 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 Chicago O'Hare Intl 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 Chicago O'Hare Intl Airport to Chiang Mai?

Best airlines flying from Chicago O'Hare Intl Airport to Chiang Mai

Compare and see reviews for airlines that fly from Chicago O'Hare Intl Airport to Chiang Mai with momondo
Airline
Rating
Free Cancellation
Price
Cathay PacificPriceFrom $805Free CancellationRating
7.6
1,084 reviews
Search Cathay Pacific flights
DeltaPriceFrom $849Free CancellationRating
7.9
8,011 reviews
Search Delta flights
Korean AirPriceFrom $965Free CancellationRating
8.4
1,179 reviews
Search Korean Air flights
EVA AirPriceFrom $973Free CancellationRating
8.4
1,292 reviews
Search EVA Air flights

Why use momondo?

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Chicago to Chiang Mai. momondo saves you time and could save you money on your trip.

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

All flight searches from Chicago to Chiang Mai on momondo can be filtered to show those which offer flexible booking policies.

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

Once all potential Chicago 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 Chicago to Chiang Mai right now. Can momondo alert me if prices change?

If you are simply researching potential flights to Chiang Mai, momondo offers a useful price alert feature which will track prices for flights to Chiang Mai from Chicago and alert you when they change.

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