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Chiang Rai

$3,852+ Cheap flights from Chicago (CHI) 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 4/27. Fares are subject to change and may not be available on all flights or dates of travel.
CHI — CEI
Dec 16 — Dec 231
Tue 12/16
Tue 12/23
1 adult, Economy
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Cheap flight deals from Chicago to Chiang Rai

Discover tips and strategies to find the most affordable flight options for your journey from Chicago (CHI) to Chiang Rai (CEI). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated November 16, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$3,852
(Lufthansa)
Provider with most accurate pricing for Chicago (CHI)-Chiang Rai flight deals.
Search Deals
Provider most trusted by Cheapflights users for Chicago (CHI)-Chiang Rai flights.
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From Chicago (CHI) to Chiang Rai
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Find flight deals from Chicago to Chiang Rai

Best flights from Chicago to Chiang Rai
Discover carefully curated flight deals from Chicago to Chiang Rai that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated November 16, 2025.

This Lufthansa deal was found by Cheapflights users on 11/13. 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.
Mon 4/279:40 pmORD - CEI
2 stops32h 40mLufthansa
Fri 5/16:55 pmCEI - ORD
2 stops31h 05mLufthansa
Deal found 11/13$3,852

Cheapflights Fare Finder

 
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, Cheapflights users made 2,558,603 searches. Data last updated November 16, 2025.
Use the filters below to find and compare flights from Chicago to Chiang Rai that are best for you.

Fly from

Chicago

Fly to

Chiang Rai

Route

Depart

Return

Price

ChicagoChiang Rai

ORD - CEI

ORDCEI

Chicago O'Hare Intl

Mon 4/27

9:40 pm-6:20 pm

2 stops32h 40m

Chiang Rai

Fri 5/1

6:55 pm-2:00 pm

2 stops31h 05m

$3,852

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/13

Compare providers for flights from Chicago to Chiang Rai

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Chicago to Chiang Rai in November.
ProviderPrice AccuracyTrust Score*
eDreamsPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Chicago-Chiang Rai flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Chicago-Chiang Rai flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Chicago-Chiang Rai flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Chicago-Chiang Rai flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Chicago-Chiang Rai flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Chicago to Chiang Rai

Have a flexible travel schedule? Discover the best time to fly to Chiang Rai from Chicago 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 Chicago to Chiang Rai

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

Currently, October is the cheapest month in which you can book a flight from Chicago to Chiang Rai (average of $849). Flying from Chicago to Chiang Rai in June is currently the most expensive (average of $1,578). 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 Chicago 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 Chicago?

    Located just 4.5 mi from the city center, Chiang Rai is the airport most travelers will use when flying to Chiang Rai from Chicago. Booking flights from Chicago to Chiang Rai (CEI) should be relatively easy as there are 0 daily inbound flights from Chicago from 0 different airlines.

  • How long is the flight from Chicago to Chiang Rai?

    There are many flights that can get you from Chicago to Chiang Rai in 32h 40m. Fly via Lufthansa to get the fastest option. Chicago and Chiang Rai are separated by a distance of 8123 mi.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Chicago 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 Chicago to Chiang Rai?

    Currently, October is the cheapest month in which you can book a flight from Chicago to Chiang Rai (average of $849). Flying from Chicago to Chiang Rai in June is currently the most expensive (average of $1,578). 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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