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Chiang Rai

$1,009+ 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 11/4. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — CEI
Feb 28 — Mar 71
Sat 2/28
Sat 3/7
1 adult, Economy
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Cheap flight deals from Illinois to Chiang Rai

Cheapest flights from Illinois to Chiang Rai
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 January 29, 2026.

This oojo deal was found by Cheapflights users on 1/27. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/411:30 pm
ORD
-
CEI
2 stops29h 50m
Multiple Airlines
Sat 11/142:25 pm
CEI
-
ORD
2 stops42h 10m
Multiple Airlines
Deal found 1/27$1,009

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

What is the cheapest month to book a flight from Illinois to Chiang Rai?

Currently, February is the cheapest month in which you can book a flight from Illinois to Chiang Rai (average of $737). Flying from Illinois to Chiang Rai in June is currently the most expensive (average of $1,583). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Related info for your journey

Find useful and relevant information for your journey from Illinois to Chiang Rai. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Chiang Rai from Illinois?

    Chiang Rai (CEI) is the airport you will fly into if you book a flight from Illinois to Chiang Rai. It is only a 4.5 mi journey from Chiang Rai (CEI) to Chiang Rai’s city center.

  • Can I find deals for flights from Illinois to Chiang Rai that include hotel bookings?

    Yes. In addition to deals on Illinois to Chiang Rai flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Illinois to Chiang Rai?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Illinois to Chiang Rai.

  • Can I find deals for business class flights from Illinois to Chiang Rai?

    Yes. Cheapflights offers flight deals from Illinois to Chiang Rai by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Illinois to Chiang Rai?

    Currently, February is the cheapest month in which you can book a flight from Illinois to Chiang Rai (average of $737). Flying from Illinois to Chiang Rai in June is currently the most expensive (average of $1,583). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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