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Chiang Rai

$763+ 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 9/4. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — CEI
jul. 30 — ago. 61
mié. 7/30
mié. 8/6
1 adult, Economy
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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 julio 25, 2025.

Round-trip from

$951
(Trip.com)
From Illinois to Chiang Rai
Search Deals

Find 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 julio 25, 2025.

This Gotogate deal was found by Cheapflights users on 7/22. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 9/45:45 pmORD - CEI
2 stops27h 55mMultiple Airlines
jue. 9/116:55 pmCEI - ORD
2 stops25h 45mMultiple Airlines
Deal found 7/22$763
This Lufthansa deal was found by Cheapflights users on 7/21. 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 9/269:40 pmORD - CEI
2 stops32h 40mLufthansa
mar. 9/306:55 pmCEI - ORD
2 stops31h 10mLufthansa
Deal found 7/21$3,846

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 julio 25, 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

jue. 9/4

5:45 pm-9:40 am

2 stops27h 55m

Chiang Rai

jue. 9/11

6:55 pm-8:40 am

2 stops25h 45m

$763

ChicagoChiang Rai

ORD - CEI

ORDCEI

Chicago O'Hare Intl

vie. 9/26

9:40 pm-6:20 pm

2 stops32h 40m

Chiang Rai

mar. 9/30

6:55 pm-2:05 pm

2 stops31h 10m

$3,846

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/22

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
No data available for this route at this time. Please check back soon.

Reviews of airlines servicing Chiang Rai

Get insights into the airlines that provide service to Chiang Rai. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Chiang Rai. Reviews last updated julio 25, 2025.
Read through reviews of airlines operating flights from Illinois to Chiang Rai, such as Lufthansa. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Lufthansa
6.8
Okay
7,253 reviews

Entertainment

6.4

Boarding

7.0

Food

6.3

Comfort

6.8

Overall

6.8

Crew

7.6

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2024

SFO - FRA

Convenient flight to my destination. Good entertainment options on board. I was seated close to some people who had noisy children which made sleeping a bit challenging.
Lufthansa
6.8
Okay
7,253 reviews
Lufthansa
6.8
Okay
7,253 reviews

Entertainment

6.4

Boarding

7.0

Food

6.3

Comfort

6.8

Overall

6.8

Crew

7.6

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2024

SFO - FRA

Convenient flight to my destination. Good entertainment options on board. I was seated close to some people who had noisy children which made sleeping a bit challenging.

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.

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