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Cheap flights from Chicago O'Hare Intl Airport to Chiang Mai from $645

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 8/2. 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.
Multiple Airlines Logo
5:45 pm - 11:15 am
ORD
-
CNX
29h 30m
2 stops
Multiple Airlines Logo
10:10 am - 7:20 am
CNX
-
ORD
34h 10m
2 stops
$997Multiple Airlines
Tue, Sep 8 - Tue, Dec 8
Etihad Airways Logo
9:20 pm - 6:05 am
ORD
-
CNX
20h 45m
1 stop
Etihad Airways Logo
8:50 am - 7:55 am
CNX
-
ORD
36h 05m
1 stop
$1,011Etihad Airways
Mon, Oct 26 - Tue, Feb 16
Delta Logo
12:15 pm - 10:55 pm
ORD
-
CNX
22h 40m
1 stop
Delta Logo
12:15 am - 11:46 pm
CNX
-
ORD
36h 31m
2 stops
$1,021Delta
Mon, Oct 26 - Mon, Feb 15
Delta Logo
7:00 am - 10:55 pm
ORD
-
CNX
27h 55m
2 stops
Delta Logo
12:15 am - 11:46 pm
CNX
-
ORD
36h 31m
2 stops
$1,026Delta
Mon, Oct 26 - Mon, Feb 15
EVA Air Logo
12:30 am - 10:25 am
ORD
-
CNX
21h 55m
1 stop
EVA Air Logo
7:45 pm - 7:35 pm
CNX
-
ORD
36h 50m
2 stops
$1,151EVA Air
Mon, Sep 7 - Tue, Dec 8
EVA Air Logo
12:30 am - 10:25 am
ORD
-
CNX
21h 55m
1 stop
EVA Air Logo
11:50 am - 7:35 pm
CNX
-
ORD
20h 45m
1 stop
$1,228EVA Air
Mon, Sep 7 - Tue, Dec 8
Multiple Airlines Logo
7:00 pm - 10:25 am
ORD
-
CNX
27h 25m
2 stops
Multiple Airlines Logo
10:10 am - 8:35 pm
CNX
-
ORD
46h 25m
2 stops
$1,273Multiple Airlines
Thu, Oct 1 - Sat, Oct 31
EVA Air Logo
12:30 am - 10:25 am
ORD
-
CNX
21h 55m
1 stop
EVA Air Logo
10:10 am - 8:45 pm
CNX
-
ORD
46h 35m
2 stops
$1,297EVA Air
Sat, Oct 3 - Thu, Oct 8
EVA Air Logo
12:30 am - 11:15 am
ORD
-
CNX
46h 45m
2 stops
EVA Air Logo
10:10 am - 8:45 pm
CNX
-
ORD
46h 35m
2 stops
$1,319EVA Air
Sat, Oct 3 - Thu, Oct 8
Etihad Airways Logo
2:00 pm - 9:20 am
ORD
-
CNX
31h 20m
2 stops
Etihad Airways Logo
8:50 am - 8:55 am
CNX
-
ORD
36h 05m
1 stop
$1,326Etihad Airways
Thu, Oct 1 - Sat, Oct 31

Finnair flights from Chicago O'Hare Intl Airport to Chiang Mai

Our best Finnair deals on Chicago O'Hare Intl Airport to Chiang Mai flight tickets
Finnair
Jul 11
ORD9:30 pmChicago O'Hare Intl
47h 50m
2 stops
CNX9:20 amChiang Mai
Jul 22
CNX8:00 pmChiang Mai
33h 50m
2 stops
ORD5:50 pmChicago O'Hare Intl
$1,663
Finnair
Jul 16
ORD9:30 pmChicago O'Hare Intl
47h 50m
2 stops
CNX9:20 amChiang Mai
Aug 1
CNX8:00 pmChiang Mai
33h 50m
2 stops
ORD5:50 pmChicago O'Hare Intl
$1,766

Qatar Airways flights from Chicago O'Hare Intl Airport to Chiang Mai

Our best Qatar Airways deals on Chicago O'Hare Intl Airport to Chiang Mai flight tickets
Qatar Airways
Jul 29
ORD7:20 pmChicago O'Hare Intl
26h 00m
2 stops
CNX9:20 amChiang Mai
Aug 6
CNX8:00 pmChiang Mai
31h 05m
2 stops
ORD3:05 pmChicago O'Hare Intl
$1,505
Qatar Airways
Jun 12
ORD7:20 pmChicago O'Hare Intl
35h 50m
2 stops
CNX7:10 pmChiang Mai
Jun 19
CNX8:00 pmChiang Mai
55h 05m
2 stops
ORD3:05 pmChicago O'Hare Intl
$1,633
Qatar Airways
Jun 24
ORD7:20 pmChicago O'Hare Intl
35h 50m
2 stops
CNX7:10 pmChiang Mai
Jul 9
CNX2:35 pmChiang Mai
60h 30m
2 stops
ORD3:05 pmChicago O'Hare Intl
$1,673

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 May 11, 2026.
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

Cheapest round-trip

ChicagoChiang Mai

ORD - CNX

ORDCNX

Chicago O'Hare Intl

Tue 9/8

5:45 pm-11:15 am

2 stops29h 30m

Chiang Mai

Tue 12/8

10:10 am-7:20 am

2 stops34h 10m

$997

ChicagoChiang Mai

ORD - CNX

ORDCNX

Chicago O'Hare Intl

Mon 10/26

9:20 pm-6:05 am

1 stop20h 45m

Chiang Mai

Tue 2/16

8:50 am-7:55 am

1 stop36h 05m

$1,011

ChicagoChiang Mai

ORD - CNX

ORDCNX

Chicago O'Hare Intl

Mon 10/26

12:15 pm-10:55 pm

1 stop22h 40m

Chiang Mai

Mon 2/15

12:15 am-11:46 pm

2 stops36h 31m

$1,021

ChicagoChiang Mai

ORD - CNX

ORDCNX

Chicago O'Hare Intl

Mon 10/26

7:00 am-10:55 pm

2 stops27h 55m

Chiang Mai

Mon 2/15

12:15 am-11:46 pm

2 stops36h 31m

$1,026

ChicagoChiang Mai

ORD - CNX

ORDCNX

Chicago O'Hare Intl

Mon 9/7

12:30 am-10:25 am

1 stop21h 55m

Chiang Mai

Tue 12/8

7:45 pm-7:35 pm

2 stops36h 50m

$1,151
Quickest round-trip

ChicagoChiang Mai

ORD - CNX

ORDCNX

Chicago O'Hare Intl

Mon 9/7

12:30 am-10:25 am

1 stop21h 55m

Chiang Mai

Tue 12/8

11:50 am-7:35 pm

1 stop20h 45m

$1,228

ChicagoChiang Mai

ORD - CNX

ORDCNX

Chicago O'Hare Intl

Thu 10/1

7:00 pm-10:25 am

2 stops27h 25m

Chiang Mai

Sat 10/31

10:10 am-8:35 pm

2 stops46h 25m

$1,273

ChicagoChiang Mai

ORD - CNX

ORDCNX

Chicago O'Hare Intl

Sat 10/3

12:30 am-10:25 am

1 stop21h 55m

Chiang Mai

Thu 10/8

10:10 am-8:45 pm

2 stops46h 35m

$1,297

ChicagoChiang Mai

ORD - CNX

ORDCNX

Chicago O'Hare Intl

Sat 10/3

12:30 am-11:15 am

2 stops46h 45m

Chiang Mai

Thu 10/8

10:10 am-8:45 pm

2 stops46h 35m

$1,319

ChicagoChiang Mai

ORD - CNX

ORDCNX

Chicago O'Hare Intl

Thu 10/1

2:00 pm-9:20 am

2 stops31h 20m

Chiang Mai

Sat 10/31

8:50 am-8:55 am

1 stop36h 05m

$1,326

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 typical price of a round-trip flight between Chicago O'Hare Intl Airport and Chiang Mai?

What is the cheapest month to fly to Chiang Mai?

If you don’t want to visit Chiang Mai in March, 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 $926.

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

You could potentially save up to 52% 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

20h 45m

Direct flights

None
The fastest flight from Chicago O'Hare Intl Airport to Chiang Mai takes 20h 45m
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.
Search flight deals

Frequently asked questions about flying from Chicago O'Hare Intl Airport to Chiang Mai

  • 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 20h 45m.

  • 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
1,326 reviews
Search Cathay Pacific flights
DeltaPriceFrom $849Free CancellationRating
7.9
8,451 reviews
Search Delta flights
EVA AirPriceFrom $918Free CancellationRating
8.5
1,445 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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