Cheap Flights from Chicago (CHIA) to Chiang Mai (CNX)

Compare Chicago to Chiang Mai flight deals

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

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Flight deals from Chicago to Chiang Mai

Looking for a cheap last-minute deal or the best return flight from Chicago to Chiang Mai Airport? If you want to travel next month, return fares start from £957. Find the lowest prices on one-way and return tickets right here.

Find the cheapest month to fly from Chicago to Chiang Mai

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

Chicago to Chiang Mai: Alternative routes

Compare routes from Chicago 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 found£396
Cheapest month to flyAugust

Finding cheap flights from Chicago to Chiang Mai: Frequently asked questions

The best price we found for a return flight from Chicago to Chiang Mai is £729. 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 to Chiang Mai. But we found flights with one stop from £729.
As of April 2026, there are no flights flying from Chicago to Chiang Mai.
The cheapest month to fly from Chicago to Chiang Mai is usually September.
After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from Chicago to Chiang Mai Airport on Tuesday, 1 September 2026.
No airlines currently offer direct flights between Chicago 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.
The cheapest airline that flies to Chiang Mai is EVA Air .

Flying from Chicago to Chiang Mai International Airport (CNX): What you need to know

  • Chicago is home to two main airports where you can kick off your travels. Explore your options for reserving a flight from Chicago to Chiang Mai International Airport (CNX) heading out from O'Hare International Airport (ORD) or Chicago Midway International Airport (MDW).

  • Chiang Mai is 12 hours ahead of Chicago. Chiang Mai International Airport is located in Chiang Mai, which runs on the UTC+7 timezone.

  • Leave enough time to catch your flight from Chicago to CNX. As a general rule, turn up at least two hours before international departures and an hour ahead for domestic flights.

  • Planning to travel during a peak period like public or school holidays? Expect longer lines at check-in and security. Give yourself extra leeway and arrive up to four hours before international flights and two hours ahead of domestic departures.

Airports in Chicago

O'Hare International Airport (ORD)

  • Stopovers are the perfect opportunity to take a break from travelling and maybe even tour another city. When browsing cheap flights from Chicago to CNX departing from O'Hare International Airport (ORD), deselect the 'Direct flights only' box to find out where you can stop along the way. Here's where you could connect through:

    • Shanghai Pudong International Airport (PVG)

    • Beijing Capital International Airport (PEK)

    • Incheon International Airport (ICN)

  • Located around 40 kms (25 miles) from central Chicago, ORD can be reached in about 35 minutes by car (depending on traffic). The journey on public transport takes roughly 55 minutes.

  • Planning to catch an early flight from Chicago to Chiang Mai International Airport? Avoid rushing to the terminal (and sneak in some extra snooze time) by picking one of these hotels close to O'Hare International Airport:

  • Of all flights departing from O'Hare International Airport, 74.85% land on time at their destination.

  • You'll find ORD at 10000 West O'Hare.

Chicago Midway International Airport (MDW)

  • MDW is about 19 kms (12 miles) from central Chicago. It'll take you 20 minutes or so to get to the airport in a car from the city centre. Public transport takes roughly 45 minutes.

  • Want to treat yourself to an extra night away before catching your Chicago to CNX flight? Kick back in a hotel near Chicago Midway International Airport before your trip officially starts. These stays have a room with your name on it:

  • Chicago Midway International Airport has an on-time performance of 77.88%. This figure highlights how frequently flights that take off from this airport make it to their destination on schedule.

  • MDW is located at 5700 South Cicero.

Chicago Rockford International Airport (RFD)

  • RFD is roughly 137 kms (85 miles) from central Chicago. Driving from the city centre to the terminal takes about 1 hour 25 minutes. If you're planning to take public transport, you can expect a journey of around 4 hours 15 minutes.

  • Skip the rush on your departure day — stay near Chicago Rockford International Airport and know you'll be at your gate with time to spare. Get comfy at one of these hotels the day before if you're catching an early Chicago to Chiang Mai International Airport flight:

  • The on-time performance rate of RFD is 76.19%. In other words, that's how frequently flights that depart this airport arrive as planned.

  • You'll find Chicago Rockford International Airport at 2 Airport Cir.

About Chiang Mai International Airport (CNX)

Getting from Chiang Mai International Airport (CNX) to central Chiang Mai

  • Chiang Mai International Airport is roughly 2 miles from central Chiang Mai. The time it takes to get there by car hire or cab will depend on the time of day. Do a little research before you go.

  • Travelling by public transport takes around 25 minutes.

How to find the cheapest flights from Chicago to Chiang Mai International Airport (CNX)

  • The cheapest price we've found for a one-way ticket from Chicago to Chiang Mai International Airport is £396. For a return flight on this route, the best price is £729. Depending on when and how early you book, these fares could change.

  • To pick up cheap flights from Chicago to CNX, book ahead. Airlines tend to offer lower fares when tickets are first released.

  • The 'Whole month' search tool will show you the cheapest Chicago to Chiang Mai International Airport tickets across each month. It's a good way to snap up a bargain if your travel dates are flexible.

  • Finding a cheap plane ticket from Chicago to CNX is a piece of cake with Price Alerts. Simply set up one of these automatic alerts and we'll let you know as soon as there's a price drop.

  • Nail down a great price on a flight from Chicago to Chiang Mai International Airport with the help of the filters. Choose your preferred departure and arrival times, number of stops and airlines. You can also sort your results by 'Best,' 'Fastest' or 'Cheapest.'

The best time to fly from Chicago to Chiang Mai International Airport (CNX)

  • It's time to work out your travel dates for your flight from Chicago to Chiang Mai International Airport (CNX). August is the busiest month to visit Chiang Mai. If you're all about a more relaxed kind of trip, think about going in February.

  • When booking your Chicago to CNX plane ticket, consider what kind of weather works for you. April is the warmest month in Chiang Mai, with temperatures ranging from 22ºC (72ºF) to 42ºC (108ºF).

  • Look for cheap tickets from Chicago to Chiang Mai International Airport in January if you'd rather travel during cooler conditions. Temperatures are at their lowest then, ranging between 12ºC (54ºF) and 31ºC (88ºF).

More about Chiang Mai

  • When it comes to looking for somewhere to lay your head, you'll find the most popular stays in Chiang Mai right here. Explore these hotels once you've booked your flight from Chicago to Chiang Mai International Airport:

  • Your visit to Chiang Mai should come with a bit of sightseeing. Major attractions that belong on your itinerary include Songkran Festival Chiang Mai, Yi Peng and Loy Krathong (Lantern Festival) and Doi Suthep.

Explore more of Thailand

  • Chiang Mai has its own special appeal, but there are so many other parts of Thailand waiting to be discovered. Around 257 kms (160 miles) south-east of Chiang Mai, a visit to Phitsanulok will keep you on the move. Don't miss top attractions like Wat Phra Si Rattana Mahathat, Phra Si Ratana Temple (Wat Yai) and Wat Ratcha Burada Temple.

  • Chiang Rai is another essential stop in Thailand and is around 153 kms (95 miles) north-east of Chiang Mai. No trip is complete without seeing Wat Rong Khun, Wat Phra Kaew and Wat Huai Pla Kung.

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.