Cheap Flights from Chicago O'Hare International to Chiang Mai

Compare Chicago O'Hare International to Chiang Mai flight deals

Find the cheapest month or even day of the year to fly to Chiang Mai

Book the best Chiang Mai fare with no extra fees

Flight deals from Chicago O'Hare International to Chiang Mai

Looking for a cheap last-minute deal or the best return flight from Chicago O'Hare International Airport to Chiang Mai Airport? If you want to travel next month, return fares start from R 17,696. Find the lowest prices on one-way and return tickets right here.

Find the cheapest month to fly from Chicago O'Hare International to Chiang Mai

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Chicago O'Hare International to Chiang Mai flights are currently cheapest in November.

Chicago O'Hare International to Chiang Mai: Alternative routes

Compare routes from Chicago O'Hare International to Chiang Mai below. You may find an airport to fly into that's cheaper, faster, or easier than Chiang Mai.

Chicago to Chiang Mai: Flight information

The things to know before you go.
Cheapest flight foundR 7,735
Cheapest month to flyNovember

Finding cheap flights from Chicago O'Hare International to Chiang Mai: Frequently asked questions

The best price we found for a return flight from Chicago O'Hare International to Chiang Mai is R 14,855. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
Currently, there are no airlines that fly direct from Chicago O'Hare International to Chiang Mai. But we found flights with one or more stops from R 14,855.
As of July 2026, there are no flights flying from Chicago O'Hare International to Chiang Mai.
The cheapest month to fly from Chicago O'Hare International to Chiang Mai is usually March.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Chicago O'Hare International Airport to Chiang Mai Airport on Thursday, 18 March 2027.
No airlines currently offer direct flights between Chicago O'Hare International Airport and Chiang Mai Airport. Most routes have one or more stops.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Chiang Mai but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.

We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Chiang Mai is around 40 days in advance, so don’t leave your flight to the last minute.

Currently, Korean Air offers the cheapest flight tickets to Chiang Mai.

Travelling from Chicago O'Hare International Airport (ORD) to Chiang Mai Airport (CNX): what you need to know

  • The timezone in Chiang Mai is UTC+7, which is 13 hours ahead of Chicago.

  • Arriving two hours before an international flight and one hour ahead of a domestic departure are travel rules to live by. Get to the airport on time to catch your ORD to CNX flight.

  • Be prepared for longer queues in popular months such as July. Arriving up to four hours ahead of international flights and two hours for a domestic departure is a wise move.

  • Consider adding a stopover when booking your ticket from Chicago O'Hare International Airport to Chiang Mai Airport. Simply deselect 'Direct flights only' to break up your journey, or even explore someplace new along the way. Check out these options between ORD and CNX:

    • Shanghai Pudong Airport

    • Beijing Capital Airport

    • Incheon International Airport

How to find the cheapest flights from Chicago O'Hare International Airport (ORD) to Chiang Mai Airport (CNX)

  • R 7,765 is currently the best price for a one-way Chicago O'Hare International Airport to Chiang Mai Airport flight. Return flights start from R 14,855. These prices may change based on demand.

  • To score cheap tickets from ORD to CNX, book as early as you can. Airlines typically offer their best fares when flights are first released.

  • The 'Whole month' tool shows you the cheapest flights from Chicago O'Hare International Airport to Chiang Mai Airport across every month. It's a great way to find a bargain if your dates aren't set in stone.

  • You won't have to check back in every day to find out if fares have gone down when you create a Price Alert. We'll send you an update the moment the price changes on cheap flights from ORD to CNX.

  • Tailor your flights using filters. Pick your arrival and departure times, total journey duration and airlines. You can also sort results by 'Fastest,' 'Cheapest' or 'Best' flights from Chicago O'Hare International Airport to Chiang Mai Airport.

Handy information about Chicago O'Hare International Airport (ORD)

  • The address for ORD is 10000 West O'Hare.

  • 70% of flights that leave from Chicago O'Hare International Airport land at their destination on schedule.

  • To get to Chicago O'Hare International Airport from central Chicago, it'll take about 30 minutes by car. Of course, this depends on traffic conditions. It's approximately 27 kilometres from the airport to the city centre.

  • The journey on public transport takes about 45 minutes.

  • Searching for a handy hotel close to ORD? If you're boarding an early flight from Chicago O'Hare International Airport to Chiang Mai Airport, these stays will have you sleeping moments from check-in:

Arriving at Chiang Mai Airport (CNX)

  • If you're landing on a late Chicago O'Hare International Airport to Chiang Mai Airport flight, few things top the convenience of staying close to the terminal. Collect your bags from the carousel and then be showered and resting not long after at one of these accommodation options near CNX:

  • Follow your own route with a Chiang Mai Airport rental car. Pick up your wheels from Chic Car Rent, asap car rental or Hertz and see more of Chiang Mai and beyond.

  • Reserving your ride from Chiang Mai Airport about two weeks in advance boosts your odds of scoring a great price.

When to fly to Chiang Mai Airport (CNX)

  • The quietest month for a flight from Chicago O'Hare International Airport to Chiang Mai Airport is June, while January is the most popular. Choose the best time to visit Chiang Mai based on whether you prefer a more relaxed vibe or a faster pace.

  • The warmest month in Chiang Mai is April, with temperatures ranging between 22ºC (72ºF) and 42ºC (108ºF). Book your flights from Chicago O'Hare International Airport to Chiang Mai Airport in this month if this is the type of weather you enjoy.

  • If you like travelling in cooler conditions, look for a cheap ticket from ORD to CNX in January. Temperatures average between 12ºC (54ºF) and 31ºC (88ºF) then.

Explore more of Thailand

  • Chiang Mai has loads to offer, but there are so many other parts of Thailand waiting to be explored. Around 434 kilometres east of Chiang Mai, a visit to Udon Thani will keep you on the go. Start with popular sights like Thai-Chinese Cultural Centre, Wat Pho Chai and Wat Burapa Wanaram.

  • Lampang is another standout destination in Thailand and is around 80 kilometres south-east of Chiang Mai. No trip is complete without dropping by Wat Chiang Rai, Wat Phra Kaew Don Tao Suchadaram and Wat Chai Mongkhon.

Prices shown on this page are estimated lowest prices only. Found in the last 12 days.