$1,137+ Cheap flights from Illinois to Chiang Rai (CEI)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 5/15. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — CEI
Apr 6 — Apr 131
1 adult, Economy
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1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
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Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Illinois to Chiang Rai
Keep the following information in mind while searching for Illinois to Chiang Rai flight deals. Data was last updated April 1, 2025.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $1,140 (Mytrip) |
Find flight deals from Illinois to Chiang Rai
Cheapest flights from Illinois to Chiang RaiExplore the most affordable flight options available from Illinois to Chiang Rai. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 1, 2025.
Explore the most affordable flight options available from Illinois to Chiang Rai. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 1, 2025.
This Mytrip deal was found by Cheapflights users on 3/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/1512:00 pmORD - CEI
3 stops32h 30mMultiple Airlines
Thu 5/228:25 amCEI - ORD
3 stops39h 11mMultiple Airlines
Deal found 3/31![Multiple Airlines logo]()
$1,140
Cheapflights 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, Cheapflights users made 2,558,603 searches. Data last updated April 1, 2025.
Use the filters below to find and compare flights from Illinois to Chiang Rai that are best for you.
Fly from
Illinois
Fly to
Chiang Rai
Route
Depart
Return
Price
ChicagoChiang Rai
ORD - CEI
ORDCEI
Chicago O'Hare Intl
Thu 5/15
12:00 pm-8:30 am
3 stops32h 30m
Chiang Rai
Thu 5/22
8:25 am-11:36 am
3 stops39h 11m
$1,140
ChicagoChiang Rai
ORD - CEI
ORDCEI
Chicago O'Hare Intl
Thu 5/15
1:55 pm-1:10 pm
2 stops35h 15m
$1,166
ChicagoChiang Rai
ORD - CEI
ORDCEI
Chicago O'Hare Intl
Thu 5/15
9:40 pm-6:20 pm
3 stops32h 40m
$2,712
Best time to book a flight from Illinois to Chiang Rai
Have a flexible travel schedule? Discover the best time to fly to Chiang Rai from Illinois with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from Illinois to Chiang Rai
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