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Cheap flights from Chicago to Chiang Rai from $475

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 to Chiang Rai departing on 9/14. 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 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 - 3:05 pm
CEI
-
ORD
32h 10m
2 stops
$844Multiple Airlines
Mon, Sep 14 - Mon, Sep 21
Multiple Airlines Logo
5:45 pm - 9:40 am
ORD
-
CEI
27h 55m
2 stops
Multiple Airlines Logo
6:55 pm - 3:05 pm
CEI
-
ORD
32h 10m
2 stops
$914Multiple Airlines
Mon, Sep 14 - Mon, Sep 21
Multiple Airlines Logo
2:00 pm - 7:55 am
ORD
-
CEI
29h 55m
2 stops
Multiple Airlines Logo
8:00 pm - 3:40 pm
CEI
-
ORD
31h 40m
2 stops
$918Multiple Airlines
Sun, Sep 13 - Sun, Sep 20
Multiple Airlines Logo
2:00 pm - 7:55 am
ORD
-
CEI
29h 55m
2 stops
Multiple Airlines Logo
8:00 pm - 3:40 pm
CEI
-
ORD
31h 40m
2 stops
$921Multiple Airlines
Sun, Sep 13 - Sun, Sep 20
Multiple Airlines Logo
2:00 pm - 7:55 am
ORD
-
CEI
29h 55m
2 stops
Multiple Airlines Logo
8:00 pm - 3:40 pm
CEI
-
ORD
31h 40m
2 stops
$925Multiple Airlines
Sun, Sep 13 - Sun, Sep 20
Multiple Airlines Logo
5:45 pm - 9:40 am
ORD
-
CEI
27h 55m
2 stops
Multiple Airlines Logo
6:55 pm - 3:05 pm
CEI
-
ORD
32h 10m
2 stops
$926Multiple Airlines
Mon, Sep 14 - Mon, Sep 21
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
$942Multiple Airlines
Sun, Sep 13 - Sun, Sep 20
Multiple Airlines Logo
12:00 pm - 1:10 pm
ORD
-
CEI
37h 10m
2 stops
Multiple Airlines Logo
6:55 pm - 3:05 pm
CEI
-
ORD
32h 10m
2 stops
$965Multiple Airlines
Sat, Sep 12 - Sat, Sep 19
Multiple Airlines Logo
11:50 am - 9:40 am
ORD
-
CEI
33h 50m
2 stops
Multiple Airlines Logo
6:55 pm - 3:05 pm
CEI
-
ORD
56h 10m
2 stops
$971Multiple Airlines
Sat, Sep 12 - Sat, Sep 19
Multiple Airlines Logo
2:00 pm - 9:40 am
ORD
-
CEI
31h 40m
2 stops
Multiple Airlines Logo
10:10 am - 8:35 am
CEI
-
ORD
34h 25m
2 stops
$1,058Multiple Airlines
Sat, Sep 12 - Sat, Sep 19

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Customize your flight search to find flights from Chicago 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 August 1, 2026.
Use the filters below to find and compare flights from Chicago 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

Mon 9/14

5:45 pm-9:40 am

2 stops27h 55m

Chiang Rai

Mon 9/21

6:55 pm-3:05 pm

2 stops32h 10m

$844

ChicagoChiang Rai

ORD - CEI

ORDCEI

Chicago O'Hare Intl

Mon 9/14

5:45 pm-9:40 am

2 stops27h 55m

Chiang Rai

Mon 9/21

6:55 pm-3:05 pm

2 stops32h 10m

$914

ChicagoChiang Rai

ORD - CEI

ORDCEI

Chicago O'Hare Intl

Sun 9/13

2:00 pm-7:55 am

2 stops29h 55m

Chiang Rai

Sun 9/20

8:00 pm-3:40 pm

2 stops31h 40m

$918

ChicagoChiang Rai

ORD - CEI

ORDCEI

Chicago O'Hare Intl

Sun 9/13

2:00 pm-7:55 am

2 stops29h 55m

Chiang Rai

Sun 9/20

8:00 pm-3:40 pm

2 stops31h 40m

$921

ChicagoChiang Rai

ORD - CEI

ORDCEI

Chicago O'Hare Intl

Sun 9/13

2:00 pm-7:55 am

2 stops29h 55m

Chiang Rai

Sun 9/20

8:00 pm-3:40 pm

2 stops31h 40m

$925

ChicagoChiang Rai

ORD - CEI

ORDCEI

Chicago O'Hare Intl

Mon 9/14

5:45 pm-9:40 am

2 stops27h 55m

Chiang Rai

Mon 9/21

6:55 pm-3:05 pm

2 stops32h 10m

$926
Quickest round-trip

ChicagoChiang Rai

ORD - CEI

ORDCEI

Chicago O'Hare Intl

Sun 9/13

5:45 pm-9:40 am

2 stops27h 55m

Chiang Rai

Sun 9/20

6:55 pm-2:55 pm

2 stops32h 00m

$942

ChicagoChiang Rai

ORD - CEI

ORDCEI

Chicago O'Hare Intl

Sat 9/12

12:00 pm-1:10 pm

2 stops37h 10m

Chiang Rai

Sat 9/19

6:55 pm-3:05 pm

2 stops32h 10m

$965

ChicagoChiang Rai

ORD - CEI

ORDCEI

Chicago O'Hare Intl

Sat 9/12

11:50 am-9:40 am

2 stops33h 50m

Chiang Rai

Sat 9/19

6:55 pm-3:05 pm

2 stops56h 10m

$971

ChicagoChiang Rai

ORD - CEI

ORDCEI

Chicago O'Hare Intl

Sat 9/12

2:00 pm-9:40 am

2 stops31h 40m

Chiang Rai

Sat 9/19

10:10 am-8:35 am

2 stops34h 25m

$1,058

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 16 resultsSorted by cheapest first
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When to book flights from Chicago to Chiang Rai

Are you open to changing your travel dates? Check out the ideal times to fly from Chicago to Chiang Rai according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Chicago to Chiang Rai (CHI to CEI) flight deals and tips

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

Fastest flight time

41h 25m

Direct flights

None
The fastest flight from Chicago to Chiang Rai takes 41h 25m
There are no direct flights from Chicago to Chiang Rai. There are no popular flight routes from Chicago to Chiang Rai.
Search flight deals

Frequently asked questions about flying from Chicago to Chiang Rai

  • How far is Chicago to Chiang Rai by plane?

    The straight-line distance from Chicago to Chiang Rai is 8135.7 mi. 41h 25m is a normal flight duration for this route.

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

    Prices for flights from Chicago to Chiang Rai Airport are updated daily.

  • How old do you have to be to fly from Chicago to Chiang Rai Airport?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Chicago to Chiang Rai Airport.

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

    The necessary travel and health documents for your Chiang Rai Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Frequently asked questions about flying from Chicago to Chiang Rai

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

    Confirm your travel details to search for the latest offers for flights from Chicago 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 Chicago to Chiang Rai with momondo?

    By using tools like our “Price Calendar”, you can see the best day to fly round-trip for your travels. Our “Price Forecast” tool uses AI to predict whether you should purchase or hold off on booking for potentially cheaper prices. Explore shows you all flight options from a city or airport to build your own unique adventure. The Discover blog also provides valuable insights for saving money while booking your experience. After searching you can toggle on “Price Alerts” to track prices for your desired flight and book at the ideal moment.

  • How does momondo find its flight prices?

    We show prices from over 700+ competitors with a single click. With options from airlines and OTAs from across our 30 international markets, we are able to show you a diverse range of deals to create your adventure.

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?

Finding the right flight to Chiang Rai from Chicago 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 Rai quick and easy, saving you time and money.

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

Yes. momondo enables you to select and highlight flights to Chiang Rai from Chicago with this policy.

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

momondo provides multiple filters to help you find the best flight to Chiang Rai from Chicago. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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

Yes. momondo can track prices for Chicago to Chiang Rai 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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