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Cheap flights from Chicago O'Hare Intl Airport to Chiang Rai from $477

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 Rai departing on 8/27. 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 Chicago O'Hare Intl Airport 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 - 8:40 am
CEI
-
ORD
25h 45m
2 stops
$959Multiple Airlines
Thu, Aug 27 - Thu, Sep 3
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
$977Multiple Airlines
Sun, Aug 30 - Sun, Sep 6
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
$1,005Multiple Airlines
Thu, Aug 27 - Thu, Sep 3
Multiple Airlines Logo
4:00 pm - 7:55 am
ORD
-
CEI
27h 55m
2 stops
Multiple Airlines Logo
8:00 pm - 2:20 pm
CEI
-
ORD
54h 20m
2 stops
$1,064Multiple Airlines
Fri, Aug 28 - Fri, Sep 4
Multiple Airlines Logo
5:45 pm - 9:40 am
ORD
-
CEI
27h 55m
2 stops
Multiple Airlines Logo
6:55 pm - 8:40 am
CEI
-
ORD
25h 45m
2 stops
$1,075Multiple Airlines
Thu, Aug 27 - Thu, Sep 3
Multiple Airlines Logo
4:00 pm - 9:40 am
ORD
-
CEI
29h 40m
2 stops
Multiple Airlines Logo
10:10 am - 2:20 pm
CEI
-
ORD
40h 10m
2 stops
$1,085Multiple Airlines
Sat, Aug 29 - Sat, Sep 5
Multiple Airlines Logo
4:00 pm - 9:40 am
ORD
-
CEI
29h 40m
2 stops
Multiple Airlines Logo
10:10 am - 2:20 pm
CEI
-
ORD
40h 10m
2 stops
$1,090Multiple Airlines
Sat, Aug 29 - Sat, Sep 5
Multiple Airlines Logo
12:15 pm - 9:40 am
ORD
-
CEI
33h 25m
2 stops
Multiple Airlines Logo
10:10 am - 8:40 am
CEI
-
ORD
34h 30m
2 stops
$1,101Multiple Airlines
Fri, Aug 28 - Fri, Sep 4
Multiple Airlines Logo
12:15 pm - 9:40 am
ORD
-
CEI
33h 25m
2 stops
Multiple Airlines Logo
10:10 am - 8:40 am
CEI
-
ORD
34h 30m
2 stops
$1,114Multiple Airlines
Fri, Aug 28 - Fri, Sep 4
Multiple Airlines Logo
5:45 pm - 6:20 pm
ORD
-
CEI
36h 35m
2 stops
Multiple Airlines Logo
6:55 pm - 4:45 am
CEI
-
ORD
45h 50m
3 stops
$1,158Multiple Airlines
Sat, Aug 29 - Sat, Sep 5

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Customize your flight search to find flights from Chicago O'Hare Intl Airport 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 18, 2026.
Use the filters below to find and compare flights from Chicago O'Hare Intl Airport to Chiang Rai that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

ChicagoChiang Rai

ORD - CEI

ORDCEI

Chicago O'Hare Intl

Thu 8/27

5:45 pm-9:40 am

2 stops27h 55m

Chiang Rai

Thu 9/3

6:55 pm-8:40 am

2 stops25h 45m

$959

ChicagoChiang Rai

ORD - CEI

ORDCEI

Chicago O'Hare Intl

Sun 8/30

5:45 pm-9:40 am

2 stops27h 55m

Chiang Rai

Sun 9/6

6:55 pm-2:55 pm

2 stops32h 00m

$977

ChicagoChiang Rai

ORD - CEI

ORDCEI

Chicago O'Hare Intl

Thu 8/27

5:45 pm-6:20 pm

2 stops36h 35m

Chiang Rai

Thu 9/3

10:10 am-8:40 am

2 stops34h 30m

$1,005

ChicagoChiang Rai

ORD - CEI

ORDCEI

Chicago O'Hare Intl

Fri 8/28

4:00 pm-7:55 am

2 stops27h 55m

Chiang Rai

Fri 9/4

8:00 pm-2:20 pm

2 stops54h 20m

$1,064

ChicagoChiang Rai

ORD - CEI

ORDCEI

Chicago O'Hare Intl

Thu 8/27

5:45 pm-9:40 am

2 stops27h 55m

Chiang Rai

Thu 9/3

6:55 pm-8:40 am

2 stops25h 45m

$1,075

ChicagoChiang Rai

ORD - CEI

ORDCEI

Chicago O'Hare Intl

Sat 8/29

4:00 pm-9:40 am

2 stops29h 40m

Chiang Rai

Sat 9/5

10:10 am-2:20 pm

2 stops40h 10m

$1,085

ChicagoChiang Rai

ORD - CEI

ORDCEI

Chicago O'Hare Intl

Sat 8/29

4:00 pm-9:40 am

2 stops29h 40m

Chiang Rai

Sat 9/5

10:10 am-2:20 pm

2 stops40h 10m

$1,090

ChicagoChiang Rai

ORD - CEI

ORDCEI

Chicago O'Hare Intl

Fri 8/28

12:15 pm-9:40 am

2 stops33h 25m

Chiang Rai

Fri 9/4

10:10 am-8:40 am

2 stops34h 30m

$1,101

ChicagoChiang Rai

ORD - CEI

ORDCEI

Chicago O'Hare Intl

Fri 8/28

12:15 pm-9:40 am

2 stops33h 25m

Chiang Rai

Fri 9/4

10:10 am-8:40 am

2 stops34h 30m

$1,114

ChicagoChiang Rai

ORD - CEI

ORDCEI

Chicago O'Hare Intl

Sat 8/29

5:45 pm-6:20 pm

2 stops36h 35m

Chiang Rai

Sat 9/5

6:55 pm-4:45 am

3 stops45h 50m

$1,158

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 12 resultsSorted by cheapest first
1
2

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

Are you open to changing your travel dates? Check out the ideal times to fly from Chicago O'Hare Intl Airport to Chiang Rai 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 Rai (ORD to CEI) flight deals and tips

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

Fastest flight time

29h 50m

Direct flights

None
The fastest flight from Chicago O'Hare Intl Airport to Chiang Rai takes 29h 50m
There are no direct flights from Chicago O'Hare Intl Airport to Chiang Rai. There are no popular flight routes from Chicago O'Hare Intl Airport to Chiang Rai.
Search flight deals

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

  • How far is Chicago O'Hare Intl to Chiang Rai by plane?

    The straight-line distance from Chicago O'Hare Intl to Chiang Rai is 8126.6 mi. Typically, this will take 29h 50m by plane in normal conditions.

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

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

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

  • How do I get Price Alerts for flights from Chicago O'Hare Intl Airport to Chiang Rai?

    You can take advantage of momondo’s Price Alerts by first searching for your flights to Chicago O'Hare Intl Airport from Chiang Rai. Flight offers will be shown to you in real-time. From there you can create a Price Alert by using our on-site widget.

  • How can I save money on flights from Chicago O'Hare Intl Airport 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?

    We compare prices from 700+ competitors to help you find the price that works best for you. momondo operates in over 30 international markets, bringing you access to a wide range of fares and deals. Search for your travel using momondo for a diverse range of options from airlines and OTAs.

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 Chicago to Chiang Rai?

It is quick and easy to find Chicago to Chiang Rai flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Chiang Rai that suits you.

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

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

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

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Chiang Rai from Chicago.

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

Price alerts on flights to Chiang Rai from Chicago 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.

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