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Cheap flights from Illinois to Chiang Mai from $423

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Illinois to Chiang Mai departing on 1/26. 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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0 bags

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Find the cheapest flights from Illinois 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
11:50 am - 8:35 pm
CNX
-
ORD
20h 45m1 stop
$822EVA Air
mié., feb. 18 - mié., mar. 11
Cathay Pacific Logo
2:35 pm - 9:50 am
ORD
-
CNX
30h 15m1 stop
Cathay Pacific Logo
10:35 am - 12:55 pm
CNX
-
ORD
39h 20m1 stop
$836Cathay Pacific
jue., ene. 22 - mar., feb. 3
Multiple Airlines Logo
4:25 pm - 11:20 am
ORD
-
CNX
29h 55m2 stops
Multiple Airlines Logo
10:10 am - 7:20 am
CNX
-
ORD
34h 10m2 stops
$872Multiple Airlines
lun., ene. 19 - mié., feb. 4
EVA Air Logo
11:30 pm - 9:00 pm
ORD
-
CNX
32h 30m2 stops
EVA Air Logo
11:50 am - 7:35 pm
CNX
-
ORD
20h 45m1 stop
$890EVA Air
mié., ene. 21 - lun., feb. 16
EVA Air Logo
11:30 pm - 10:35 am
ORD
-
CNX
22h 05m1 stop
EVA Air Logo
7:45 pm - 8:35 pm
CNX
-
ORD
36h 50m2 stops
$891EVA Air
mié., feb. 18 - mié., mar. 11
Multiple Airlines Logo
2:55 pm - 10:25 am
STL
-
CNX
31h 30m2 stops
Multiple Airlines Logo
11:35 am - 2:11 pm
CNX
-
STL
38h 36m2 stops
$1,023Multiple Airlines
dom., abr. 5 - jue., abr. 9
Qatar Airways Logo
11:14 am - 11:15 am
STL
-
CNX
36h 01m3 stops
Qatar Airways Logo
2:35 pm - 2:03 pm
CNX
-
STL
35h 28m3 stops
$1,406Qatar Airways
vie., may. 1 - vie., may. 8
Delta Logo
6:14 pm - 10:55 pm
MDW
-
CNX
39h 41m2 stops
Delta Logo
12:15 am - 5:29 pm
CNX
-
MDW
30h 14m2 stops
$1,642Delta
vie., ene. 30 - jue., feb. 5
Qatar Airways Logo
6:20 pm - 7:10 pm
STL
-
CNX
36h 50m3 stops
Qatar Airways Logo
8:00 pm - 9:48 pm
CNX
-
STL
37h 48m3 stops
$1,793Qatar Airways
dom., abr. 5 - jue., abr. 9
Delta Logo
6:00 am - 10:55 pm
MDW
-
CNX
27h 55m2 stops
Delta Logo
12:15 am - 12:46 pm
CNX
-
MDW
25h 31m2 stops
$2,099Delta
jue., feb. 19 - dom., mar. 1

Delta flights from Illinois to Chiang Mai

Our best Delta deals on Illinois to Chiang Mai flight tickets
Delta
Jan 30
MDW6:14 pmChicago Midway
39h 41m
2 stops
CNX10:55 pmChiang Mai
Feb 5
CNX12:15 amChiang Mai
30h 14m
2 stops
MDW5:29 pmChicago Midway
$1,642
Find similar
Delta
Feb 19
MDW6:00 amChicago Midway
27h 55m
2 stops
CNX10:55 pmChiang Mai
Mar 1
CNX12:15 amChiang Mai
25h 31m
2 stops
MDW12:46 pmChicago Midway
$2,099
Find similar
Delta
Jan 12
MDW5:31 pmChicago Midway
40h 24m
2 stops
CNX10:55 pmChiang Mai
Jan 18
CNX12:15 amChiang Mai
24h 44m
2 stops
MDW11:59 amChicago Midway
$2,104
Find similar

EVA Air flights from Illinois to Chiang Mai

Our best EVA Air deals on Illinois to Chiang Mai flight tickets
EVA Air
Feb 18
ORD11:30 pmChicago O'Hare Intl
22h 05m
1 stop
CNX10:35 amChiang Mai
Mar 11
CNX11:50 amChiang Mai
20h 45m
1 stop
ORD8:35 pmChicago O'Hare Intl
$822
Find similar
EVA Air
Jan 21
ORD11:30 pmChicago O'Hare Intl
32h 30m
2 stops
CNX9:00 pmChiang Mai
Feb 16
CNX11:50 amChiang Mai
20h 45m
1 stop
ORD7:35 pmChicago O'Hare Intl
$890
Find similar
EVA Air
Feb 18
ORD11:30 pmChicago O'Hare Intl
22h 05m
1 stop
CNX10:35 amChiang Mai
Mar 11
CNX7:45 pmChiang Mai
36h 50m
2 stops
ORD8:35 pmChicago O'Hare Intl
$891
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Illinois 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 diciembre 18, 2025.
Use the filters below to find and compare flights from Illinois 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

mié. 2/18

11:30 pm-10:35 am

1 stop22h 05m

Chiang Mai

mié. 3/11

11:50 am-8:35 pm

1 stop20h 45m

$822

ChicagoChiang Mai

ORD - CNX

ORDCNX

Chicago O'Hare Intl

jue. 1/22

2:35 pm-9:50 am

1 stop30h 15m

Chiang Mai

mar. 2/3

10:35 am-12:55 pm

1 stop39h 20m

$836

ChicagoChiang Mai

ORD - CNX

ORDCNX

Chicago O'Hare Intl

lun. 1/19

4:25 pm-11:20 am

2 stops29h 55m

Chiang Mai

mié. 2/4

10:10 am-7:20 am

2 stops34h 10m

$872

ChicagoChiang Mai

ORD - CNX

ORDCNX

Chicago O'Hare Intl

mié. 1/21

11:30 pm-9:00 pm

2 stops32h 30m

Chiang Mai

lun. 2/16

11:50 am-7:35 pm

1 stop20h 45m

$890

ChicagoChiang Mai

ORD - CNX

ORDCNX

Chicago O'Hare Intl

mié. 2/18

11:30 pm-10:35 am

1 stop22h 05m

Chiang Mai

mié. 3/11

7:45 pm-8:35 pm

2 stops36h 50m

$891

St. LouisChiang Mai

STL - CNX

STLCNX

Lambert-St Louis

dom. 4/5

2:55 pm-10:25 am

2 stops31h 30m

Chiang Mai

jue. 4/9

11:35 am-2:11 pm

2 stops38h 36m

$1,023

St. LouisChiang Mai

STL - CNX

STLCNX

Lambert-St Louis

vie. 5/1

11:14 am-11:15 am

3 stops36h 01m

Chiang Mai

vie. 5/8

2:35 pm-2:03 pm

3 stops35h 28m

$1,406

ChicagoChiang Mai

MDW - CNX

MDWCNX

Chicago Midway

vie. 1/30

6:14 pm-10:55 pm

2 stops39h 41m

Chiang Mai

jue. 2/5

12:15 am-5:29 pm

2 stops30h 14m

$1,642

St. LouisChiang Mai

STL - CNX

STLCNX

Lambert-St Louis

dom. 4/5

6:20 pm-7:10 pm

3 stops36h 50m

Chiang Mai

jue. 4/9

8:00 pm-9:48 pm

3 stops37h 48m

$1,793

ChicagoChiang Mai

MDW - CNX

MDWCNX

Chicago Midway

jue. 2/19

6:00 am-10:55 pm

2 stops27h 55m

Chiang Mai

dom. 3/1

12:15 am-12:46 pm

2 stops25h 31m

$2,099

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 Illinois 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 April, then you should wait until September to fly from Illinois, when ticket prices are also cheap, with an average price of $982.

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

The cheapest day to depart from Illinois 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 Illinois 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 Illinois 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 Illinois when booking weeks ahead of your departure date. In general, you can expect to find flights to Chiang Mai for around $1,307 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Chiang Mai from Illinois for as low as $970 on momondo.

Can stopping save me money on Illinois to Chiang Mai flights?

You could potentially save up to 46% on your flight if you consider stops on a Illinois to Chiang Mai flight.

Cheap Illinois to Chiang Mai flight deals and tips

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

Fastest flight time

21h 55m

Direct flights

None
The fastest flight from Illinois to Chiang Mai takes 21h 55m
There are no direct flights from Illinois to Chiang Mai. There are no popular flight routes from Illinois to Chiang Mai.
Search flight deals

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

    Prices for flights from Illinois to Chiang Mai Airport are refreshed on a daily basis.

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

  • How old do you have to be to fly from Illinois to Chiang Mai Airport?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Illinois 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.

Best airlines flying from Illinois to Chiang Mai

Compare and see reviews for airlines that fly from Illinois to Chiang Mai with momondo
Airline
Rating
Free Cancellation
Price
Cathay PacificPriceFrom $737Free CancellationRating
7.6
1,095 reviews
Search Cathay Pacific flights
DeltaPriceFrom $849Free CancellationRating
7.9
8,005 reviews
Search Delta flights
Korean AirPriceFrom $965Free CancellationRating
8.4
1,186 reviews
Search Korean Air flights
EVA AirPriceFrom $972Free CancellationRating
8.4
1,295 reviews
Search EVA Air flights

Why use momondo?

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

Finding the right flight to Chiang Mai from Illinois is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Chiang Mai quick and easy, saving you time and money.

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

Yes. momondo allows you to filter the results for Illinois to Chiang Mai flights to just show those with flexible booking policies.

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

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Illinois to Chiang Mai.

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

Yes. momondo can track prices for Illinois to Chiang Mai flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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