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Cheap flights from Chicago O'Hare Intl Airport to Chiang Mai from $430

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 3/9. 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.
EVA Air Logo
11:30 pm - 10:35 am
ORD
-
CNX
22h 05m1 stop
EVA Air Logo
11:35 am - 9:00 pm
CNX
-
ORD
21h 25m1 stop
$822EVA Air
Tue, Mar 3 - Tue, May 19
Cathay Pacific Logo
4:00 pm - 9:45 am
ORD
-
CNX
29h 45m1 stop
Cathay Pacific Logo
7:25 pm - 2:25 pm
CNX
-
ORD
31h 00m1 stop
$837Cathay Pacific
Tue, Apr 14 - Tue, Jun 9
Cathay Pacific Logo
2:35 pm - 6:50 pm
ORD
-
CNX
39h 15m1 stop
Cathay Pacific Logo
7:40 pm - 1:55 pm
CNX
-
ORD
30h 15m1 stop
$860Cathay Pacific
Tue, Jan 20 - Wed, Mar 18
Multiple Airlines Logo
4:25 pm - 9:25 am
ORD
-
CNX
28h 00m2 stops
Multiple Airlines Logo
10:10 am - 8:40 am
CNX
-
ORD
34h 30m2 stops
$872Multiple Airlines
Tue, Mar 3 - Tue, May 19
Multiple Airlines Logo
10:30 am - 9:25 am
ORD
-
CNX
33h 55m2 stops
Multiple Airlines Logo
10:10 am - 7:20 am
CNX
-
ORD
34h 10m2 stops
$875Multiple Airlines
Tue, Jan 13 - Tue, Jan 20
Cathay Pacific Logo
2:35 pm - 9:50 am
ORD
-
CNX
30h 15m1 stop
Cathay Pacific Logo
7:40 pm - 1:55 pm
CNX
-
ORD
30h 15m1 stop
$884Cathay Pacific
Thu, Jan 22 - Thu, Mar 12
EVA Air Logo
11:30 pm - 9:00 pm
ORD
-
CNX
32h 30m2 stops
EVA Air Logo
11:50 am - 8:35 pm
CNX
-
ORD
20h 45m1 stop
$890EVA Air
Wed, Feb 18 - Wed, Mar 11
EVA Air Logo
11:30 pm - 9:00 pm
ORD
-
CNX
32h 30m2 stops
EVA Air Logo
11:50 am - 8:35 pm
CNX
-
ORD
20h 45m1 stop
$891EVA Air
Wed, Feb 18 - Wed, Mar 11
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
$909Cathay Pacific
Tue, Jan 20 - Tue, Feb 17
Cathay Pacific Logo
2:35 pm - 9:50 am
ORD
-
CNX
30h 15m1 stop
Cathay Pacific Logo
7:40 pm - 1:55 pm
CNX
-
ORD
30h 15m1 stop
$910Cathay Pacific
Fri, Jan 23 - Wed, Mar 18

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
Apr 14
ORD4:00 pmChicago O'Hare Intl
29h 45m
1 stop
CNX9:45 amChiang Mai
Jun 9
CNX7:25 pmChiang Mai
31h 00m
1 stop
ORD2:25 pmChicago O'Hare Intl
$837
Find similar
Cathay Pacific
Jan 20
ORD2:35 pmChicago O'Hare Intl
39h 15m
1 stop
CNX6:50 pmChiang Mai
Feb 17
CNX7:40 pmChiang Mai
30h 15m
1 stop
ORD12:55 pmChicago O'Hare Intl
$909
Find similar
Cathay Pacific
Apr 14
ORD4:00 pmChicago O'Hare Intl
29h 45m
1 stop
CNX9:45 amChiang Mai
Jun 9
CNX7:25 pmChiang Mai
31h 00m
1 stop
ORD2:25 pmChicago O'Hare Intl
$911
Find similar

China Airlines flights from Chicago O'Hare Intl Airport to Chiang Mai

Our best China Airlines deals on Chicago O'Hare Intl Airport to Chiang Mai flight tickets
China Airlines
Apr 14
ORD7:24 pmChicago O'Hare Intl
26h 56m
2 stops
CNX10:20 amChiang Mai
Jun 9
CNX11:20 amChiang Mai
31h 00m
2 stops
ORD6:20 amChicago O'Hare Intl
$933
Find similar
China Airlines
Jan 11
ORD3:35 pmChicago O'Hare Intl
29h 50m
2 stops
CNX10:25 amChiang Mai
Jan 22
CNX11:25 amChiang Mai
49h 25m
2 stops
ORD11:50 pmChicago O'Hare Intl
$1,016
Find similar
China Airlines
Jan 8
ORD3:35 pmChicago O'Hare Intl
29h 50m
2 stops
CNX10:25 amChiang Mai
Jan 17
CNX11:25 amChiang Mai
42h 45m
2 stops
ORD5:10 pmChicago O'Hare Intl
$1,110
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 27, 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

Tue 3/3

11:30 pm-10:35 am

1 stop22h 05m

Chiang Mai

Tue 5/19

11:35 am-9:00 pm

1 stop21h 25m

$822

ChicagoChiang Mai

ORD - CNX

ORDCNX

Chicago O'Hare Intl

Tue 4/14

4:00 pm-9:45 am

1 stop29h 45m

Chiang Mai

Tue 6/9

7:25 pm-2:25 pm

1 stop31h 00m

$837

ChicagoChiang Mai

ORD - CNX

ORDCNX

Chicago O'Hare Intl

Tue 1/20

2:35 pm-6:50 pm

1 stop39h 15m

Chiang Mai

Wed 3/18

7:40 pm-1:55 pm

1 stop30h 15m

$860

ChicagoChiang Mai

ORD - CNX

ORDCNX

Chicago O'Hare Intl

Tue 3/3

4:25 pm-9:25 am

2 stops28h 00m

Chiang Mai

Tue 5/19

10:10 am-8:40 am

2 stops34h 30m

$872

ChicagoChiang Mai

ORD - CNX

ORDCNX

Chicago O'Hare Intl

Tue 1/13

10:30 am-9:25 am

2 stops33h 55m

Chiang Mai

Tue 1/20

10:10 am-7:20 am

2 stops34h 10m

$875

ChicagoChiang Mai

ORD - CNX

ORDCNX

Chicago O'Hare Intl

Thu 1/22

2:35 pm-9:50 am

1 stop30h 15m

Chiang Mai

Thu 3/12

7:40 pm-1:55 pm

1 stop30h 15m

$884

ChicagoChiang Mai

ORD - CNX

ORDCNX

Chicago O'Hare Intl

Wed 2/18

11:30 pm-9:00 pm

2 stops32h 30m

Chiang Mai

Wed 3/11

11:50 am-8:35 pm

1 stop20h 45m

$890

ChicagoChiang Mai

ORD - CNX

ORDCNX

Chicago O'Hare Intl

Wed 2/18

11:30 pm-9:00 pm

2 stops32h 30m

Chiang Mai

Wed 3/11

11:50 am-8:35 pm

1 stop20h 45m

$891

ChicagoChiang Mai

ORD - CNX

ORDCNX

Chicago O'Hare Intl

Tue 1/20

2:35 pm-6:50 pm

1 stop39h 15m

Chiang Mai

Tue 2/17

7:40 pm-12:55 pm

1 stop30h 15m

$909

ChicagoChiang Mai

ORD - CNX

ORDCNX

Chicago O'Hare Intl

Fri 1/23

2:35 pm-9:50 am

1 stop30h 15m

Chiang Mai

Wed 3/18

7:40 pm-1:55 pm

1 stop30h 15m

$910

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 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 $1,294 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 $970 on momondo.

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

You could potentially save up to 65% 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

21h 55m

Direct flights

None
The fastest flight from Chicago O'Hare Intl Airport to Chiang Mai takes 21h 55m
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 $737Free CancellationRating
7.6
1,106 reviews
Search Cathay Pacific flights
DeltaPriceFrom $849Free CancellationRating
7.9
8,019 reviews
Search Delta flights
Korean AirPriceFrom $965Free CancellationRating
8.4
1,184 reviews
Search Korean Air flights
EVA AirPriceFrom $972Free CancellationRating
8.4
1,304 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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