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Chiang Rai

$1,172+ Cheap flights from O'Hare Intl (ORD) 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 3/7. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — CEI
feb. 20 — feb. 271
vie. 2/20
vie. 2/27
1 adult, Economy
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Cheap flight deals from O'Hare Intl to Chiang Rai

Cheapest flights from O'Hare Intl to Chiang Rai
Explore the most affordable flight options available from O'Hare Intl to Chiang Rai. Find the lowest fares from popular airlines and budget airlines, with prices last updated on enero 21, 2026.

This SmartFares deal was found by Cheapflights users on 1/19. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 3/711:30 pm
ORD
-
CEI
2 stops25h 25m
Multiple Airlines
sáb. 3/212:25 pm
CEI
-
ORD
2 stops42h 10m
Multiple Airlines
Deal found 1/19$1,172

Find flight deals from O'Hare Intl to Chiang Rai

Discover tips and strategies to find the most affordable flight options for your journey from O'Hare Intl (ORD) 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 enero 21, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

Ovago
2 stars

Round-trip from

$1,172
(SmartFares)
Provider with most accurate pricing for Chicago O'Hare Intl-Chiang Rai flight deals.
Search Deals
Provider most trusted by Cheapflights users for Chicago O'Hare Intl-Chiang Rai flights.
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From Chicago O'Hare Intl to Chiang Rai
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Cheapflights Fare Finder

 
Customize your flight search to find flights from O'Hare Intl 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 enero 21, 2026.
Use the filters below to find and compare flights from Chicago O'Hare Intl Airport to Chiang Rai that are best for you.

Fly from

O'Hare Intl

Fly to

Chiang Rai

Route

Depart

Return

Price

ChicagoChiang Rai

ORD - CEI

ORDCEI

Chicago O'Hare Intl

sáb. 3/7

11:30 pm-1:55 pm

2 stops25h 25m

Chiang Rai

sáb. 3/21

2:25 pm-8:35 pm

2 stops42h 10m

$1,172

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/19

Compare providers for flights from O'Hare Intl 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 O'Hare Intl to Chiang Rai in January.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*1 star
OvagoPrice Accuracy2 starsTrust Score*2 stars

*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 O'Hare Intl Airport-Chiang Rai flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Chicago O'Hare Intl Airport-Chiang Rai flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Chicago O'Hare Intl Airport-Chiang Rai flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Chicago O'Hare Intl Airport-Chiang Rai flights, Cheapflights users trust Ovago the most. Ovago 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 O'Hare Intl Airport-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 O'Hare Intl to Chiang Rai

Have a flexible travel schedule? Discover the best time to fly to Chiang Rai from O'Hare Intl 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 O'Hare Intl Airport to Chiang Rai

What is the cheapest month to book a flight from Chicago O'Hare Intl Airport to Chiang Rai?

Currently, February is the cheapest month in which you can book a flight from Chicago O'Hare Intl Airport to Chiang Rai (average of $737). Flying from Chicago O'Hare Intl Airport 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 O'Hare Intl 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 O'Hare Intl?

    If you book a flight to Chiang Rai from Chicago O'Hare Intl, you will be flying to Chiang Rai, which is the city’s only airport. Chiang Rai (CEI) is located 4.5 mi from the center of Chiang Rai. There are 0 flights from Chicago O'Hare Intl to Chiang Rai per day from 0 different airlines.

  • Can I find deals for flights from O'Hare Intl to Chiang Rai that include hotel bookings?

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

  • How can I find direct flights from O'Hare Intl to Chiang Rai?

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

  • Can I find deals for business class flights from O'Hare Intl to Chiang Rai?

    Yes. Cheapflights offers flight deals from O'Hare Intl 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 O'Hare Intl Airport to Chiang Rai?

    Currently, February is the cheapest month in which you can book a flight from Chicago O'Hare Intl Airport to Chiang Rai (average of $737). Flying from Chicago O'Hare Intl Airport 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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