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Chiang Rai

$525+ Cheap flights from O'Hare Intl (ORD) to Chiang Rai (CEI)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 2/24. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — CEI
Dec 26 — Jan 21
Fri 12/26
Fri 1/2
1 adult, Economy
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Cheap 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 November 26, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$3,852
(Lufthansa)

One-way from

$525
(Mytrip)
Provider with most accurate pricing for Chicago O'Hare Intl-Chiang Rai flight deals.
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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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One-way flight from Chicago O'Hare Intl to Chiang Rai
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Find flight deals from O'Hare Intl to Chiang Rai

Best flights from O'Hare Intl to Chiang Rai
Discover carefully curated flight deals from O'Hare Intl to Chiang Rai that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated November 26, 2025.

This Lufthansa deal was found by Cheapflights users on 11/23. 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 4/205:55 pmORD - CEI
2 stops36h 25mLufthansa
Thu 4/236:55 pmCEI - ORD
2 stops31h 05mLufthansa
Deal found 11/23$3,852

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 November 26, 2025.
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

Mon 4/20

5:55 pm-6:20 pm

2 stops36h 25m

Chiang Rai

Thu 4/23

6:55 pm-2:00 pm

2 stops31h 05m

$3,852

ChicagoChiang Rai

ORD - CEI

ORDCEI

Chicago O'Hare Intl

Tue 1/27

1:10 pm-8:15 am

3 stops30h 05m

$536

ChicagoChiang Rai

ORD - CEI

ORDCEI

Chicago O'Hare Intl

Sat 2/14

1:10 pm-8:15 am

3 stops30h 05m

$537

ChicagoChiang Rai

ORD - CEI

ORDCEI

Chicago O'Hare Intl

Sun 1/25

1:10 pm-8:15 am

3 stops30h 05m

$593

ChicagoChiang Rai

ORD - CEI

ORDCEI

Chicago O'Hare Intl

Mon 1/19

6:50 pm-6:20 pm

2 stops34h 30m

$604

ChicagoChiang Rai

ORD - CEI

ORDCEI

Chicago O'Hare Intl

Thu 1/29

6:50 pm-6:20 pm

2 stops34h 30m

$604

ChicagoChiang Rai

ORD - CEI

ORDCEI

Chicago O'Hare Intl

Wed 4/29

7:20 pm-1:10 pm

2 stops29h 50m

$604

ChicagoChiang Rai

ORD - CEI

ORDCEI

Chicago O'Hare Intl

Mon 3/2

6:50 pm-6:20 pm

2 stops34h 30m

$604

ChicagoChiang Rai

ORD - CEI

ORDCEI

Chicago O'Hare Intl

Sun 4/26

7:20 pm-1:10 pm

2 stops29h 50m

$604

ChicagoChiang Rai

ORD - CEI

ORDCEI

Chicago O'Hare Intl

Tue 4/14

7:20 pm-6:20 pm

2 stops35h 00m

$604

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/24

Showing 1-10 of 12 results
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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 November.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 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 eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Chicago O'Hare Intl Airport-Chiang Rai flight deals on Cheapflights vs. eDreams >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 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 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, October is the cheapest month in which you can book a flight from Chicago O'Hare Intl Airport to Chiang Rai (average of $849). Flying from Chicago O'Hare Intl Airport 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 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.

  • How long is the flight from Chicago O'Hare Intl Airport to Chiang Rai?

    A quick flight from Chicago O'Hare Intl Airport to Chiang Rai can take about 36h 25m. Lufthansa provides one of the quickest options available for as low as $3,852. The distance between Chicago O'Hare Intl Airport and Chiang Rai is about 8123 mi.

  • 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, October is the cheapest month in which you can book a flight from Chicago O'Hare Intl Airport to Chiang Rai (average of $849). Flying from Chicago O'Hare Intl Airport 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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