Latest deals
FAQs
Price Alerts

Cheap flights from Illinois to Chiang Rai from $644

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 Rai departing on 8/16. 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
1 adult, Economy, 0 bags

Find the cheapest flights from Illinois to Chiang Rai

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
5:45 pm - 9:40 am
ORD
-
CEI
27h 55m
2 stops
Multiple Airlines Logo
6:55 pm - 3:25 pm
CEI
-
ORD
32h 30m
2 stops
$951Multiple Airlines
Sun, Aug 16 - Sun, Aug 23
Multiple Airlines Logo
5:45 pm - 6:20 pm
ORD
-
CEI
36h 35m
2 stops
Multiple Airlines Logo
10:10 am - 8:40 am
CEI
-
ORD
34h 30m
2 stops
$1,075Multiple Airlines
Sun, Aug 16 - Sun, Aug 23
Multiple Airlines Logo
5:45 pm - 6:20 pm
ORD
-
CEI
36h 35m
2 stops
Multiple Airlines Logo
10:10 am - 8:40 am
CEI
-
ORD
34h 30m
2 stops
$1,082Multiple Airlines
Sun, Aug 16 - Sun, Aug 23
Multiple Airlines Logo
5:45 pm - 9:40 am
ORD
-
CEI
27h 55m
2 stops
Multiple Airlines Logo
6:55 pm - 2:55 pm
CEI
-
ORD
32h 00m
2 stops
$1,201Multiple Airlines
Thu, Aug 13 - Thu, Aug 20
Multiple Airlines Logo
5:45 pm - 9:40 am
ORD
-
CEI
27h 55m
2 stops
Multiple Airlines Logo
10:10 am - 8:40 am
CEI
-
ORD
34h 30m
2 stops
$1,250Multiple Airlines
Fri, Aug 14 - Fri, Aug 21
Multiple Airlines Logo
5:45 pm - 9:40 am
ORD
-
CEI
27h 55m
2 stops
Multiple Airlines Logo
10:10 am - 8:40 am
CEI
-
ORD
34h 30m
2 stops
$1,262Multiple Airlines
Fri, Aug 14 - Fri, Aug 21
Multiple Airlines Logo
5:45 pm - 9:40 am
ORD
-
CEI
27h 55m
2 stops
Multiple Airlines Logo
10:10 am - 8:40 am
CEI
-
ORD
34h 30m
2 stops
$1,269Multiple Airlines
Fri, Aug 14 - Fri, Aug 21
Multiple Airlines Logo
5:45 pm - 9:40 am
ORD
-
CEI
27h 55m
2 stops
Multiple Airlines Logo
10:10 am - 8:40 am
CEI
-
ORD
34h 30m
2 stops
$1,283Multiple Airlines
Fri, Aug 14 - Fri, Aug 21
Multiple Airlines Logo
2:35 pm - 3:55 pm
ORD
-
CEI
36h 20m
2 stops
Multiple Airlines Logo
8:45 am - 12:55 pm
CEI
-
ORD
41h 10m
2 stops
$1,402Multiple Airlines
Fri, Nov 6 - Sun, Nov 29
Multiple Airlines Logo
8:25 pm - 6:20 pm
ORD
-
CEI
33h 55m
2 stops
Multiple Airlines Logo
10:10 am - 8:35 am
CEI
-
ORD
34h 25m
2 stops
$1,441Multiple Airlines
Thu, Aug 13 - Thu, Aug 20

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

momondo Fare Finder

 
Customize your flight search to find flights from Illinois to Chiang Rai 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 July 3, 2026.
Use the filters below to find and compare flights from Illinois to Chiang Rai that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

ChicagoChiang Rai

ORD - CEI

ORDCEI

Chicago O'Hare Intl

Sun 8/16

5:45 pm-9:40 am

2 stops27h 55m

Chiang Rai

Sun 8/23

6:55 pm-3:25 pm

2 stops32h 30m

$951

ChicagoChiang Rai

ORD - CEI

ORDCEI

Chicago O'Hare Intl

Sun 8/16

5:45 pm-6:20 pm

2 stops36h 35m

Chiang Rai

Sun 8/23

10:10 am-8:40 am

2 stops34h 30m

$1,075

ChicagoChiang Rai

ORD - CEI

ORDCEI

Chicago O'Hare Intl

Sun 8/16

5:45 pm-6:20 pm

2 stops36h 35m

Chiang Rai

Sun 8/23

10:10 am-8:40 am

2 stops34h 30m

$1,082
Quickest round-trip

ChicagoChiang Rai

ORD - CEI

ORDCEI

Chicago O'Hare Intl

Thu 8/13

5:45 pm-9:40 am

2 stops27h 55m

Chiang Rai

Thu 8/20

6:55 pm-2:55 pm

2 stops32h 00m

$1,201

ChicagoChiang Rai

ORD - CEI

ORDCEI

Chicago O'Hare Intl

Fri 8/14

5:45 pm-9:40 am

2 stops27h 55m

Chiang Rai

Fri 8/21

10:10 am-8:40 am

2 stops34h 30m

$1,250

ChicagoChiang Rai

ORD - CEI

ORDCEI

Chicago O'Hare Intl

Fri 8/14

5:45 pm-9:40 am

2 stops27h 55m

Chiang Rai

Fri 8/21

10:10 am-8:40 am

2 stops34h 30m

$1,262

ChicagoChiang Rai

ORD - CEI

ORDCEI

Chicago O'Hare Intl

Fri 8/14

5:45 pm-9:40 am

2 stops27h 55m

Chiang Rai

Fri 8/21

10:10 am-8:40 am

2 stops34h 30m

$1,269

ChicagoChiang Rai

ORD - CEI

ORDCEI

Chicago O'Hare Intl

Fri 8/14

5:45 pm-9:40 am

2 stops27h 55m

Chiang Rai

Fri 8/21

10:10 am-8:40 am

2 stops34h 30m

$1,283

ChicagoChiang Rai

ORD - CEI

ORDCEI

Chicago O'Hare Intl

Fri 11/6

2:35 pm-3:55 pm

2 stops36h 20m

Chiang Rai

Sun 11/29

8:45 am-12:55 pm

2 stops41h 10m

$1,402

ChicagoChiang Rai

ORD - CEI

ORDCEI

Chicago O'Hare Intl

Thu 8/13

8:25 pm-6:20 pm

2 stops33h 55m

Chiang Rai

Thu 8/20

10:10 am-8:35 am

2 stops34h 25m

$1,441

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 14 resultsSorted by cheapest first
1
2

Cheap Illinois to Chiang Rai flight deals and tips

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

Fastest flight time

27h 55m

Direct flights

None
The fastest flight from Illinois to Chiang Rai takes 27h 55m
There are no direct flights from Illinois to Chiang Rai. There are no popular flight routes from Illinois to Chiang Rai.
Search flight deals

Frequently asked questions about flying from Illinois to Chiang Rai

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

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

  • How old do you have to be to fly from Illinois to Chiang Rai 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 Rai Airport.

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

    The travel and health documents you'll need for your trip to Chiang Rai 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 Rai Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Frequently asked questions about flying from Illinois to Chiang Rai

  • How do I get Price Alerts for flights from Illinois to Chiang Rai?

    Confirm your travel details to search for the latest offers for flights from Illinois to Chiang Rai. While browsing offers there will be the option to toggle “Price Alerts”. You’ll then receive updates when prices for the flight route increase or decrease.

  • How can I save money on flights from Illinois to Chiang Rai with momondo?

    Leverage our AI within our “Price Forecast” tool, which predicts if it’s better to book now or wait until prices decrease. You can strategically pick the best days to fly and save money on your trip by using our “Price Calendar” tool. “Explore” shows an overview of how much it costs to fly to anywhere from a selected city or airport. Our “Discover” content is a great option for travel inspiration and money-saving tips, while “Price Alerts” will update you when prices change, so you can book when fares are right.

  • How does momondo find its flight prices?

    momondo shows deals across 700+ competitors all at once. momondo is active in 30 international markets, so you can have access to a wide range of options from airlines and OTAs alike.

Traveling to a place near Chiang Rai?

Book flights to Chiang Rai if you plan to visit one of these locations
Mae Chan

Why use momondo?

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

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

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

Yes. All flights to Chiang Rai from Illinois on momondo can be compared and filtered by various policies on offer, including flexible booking.

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

Once you have performed a search for Illinois to Chiang Rai flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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

Price alerts on flights to Chiang Rai from Illinois are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

An easier way to manage your Chiang Rai trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Sun 8/2
Sun 8/9
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Thailand