C$632 Cheap Flights from Chiang Mai to Chicago O'Hare International

Compare Chiang Mai to Chicago O'Hare International flight deals

Find the cheapest month or even day of the year to fly to Chicago O'Hare International

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Flight deals from Chiang Mai to Chicago O'Hare International

Looking for a cheap last-minute deal or the best return flight from Chiang Mai to Chicago O'Hare International? Find the lowest prices on one-way and return tickets right here.

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

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

Chiang Mai to Chicago O'Hare International: Alternative routes

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

Chiang Mai to Chicago: Flight information

The things to know before you go.
Cheapest flight foundC$632
Cheapest month to flyOctober

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

The best price we found for a return flight from Chiang Mai to Chicago O'Hare International is C$1,335. 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 Chiang Mai to Chicago O'Hare International. But we found flights with one or more stops from C$1,335.
As of September 2025, there are no flights flying from Chiang Mai to Chicago O'Hare International.
The cheapest month to fly from Chiang Mai to Chicago O'Hare International is usually November.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Chiang Mai Airport to Chicago O'Hare International Airport on Monday, November 10, 2025.
No airlines currently offer direct flights between Chiang Mai Airport and Chicago O'Hare International 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 Chicago O'Hare International 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 Chicago is around 40 days in advance, so don’t leave your flight to the last minute.
Currently, Thai AirAsia offers the cheapest flight tickets to Chicago O'Hare International.

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

  • Delays at security and check-in are more likely if you're traveling during high season, so allow some extra breathing space. A good general rule for peak times? Arrive up to four hours early for international flights and two hours for domestic departures.

  • We make it a breeze to book a flight with a stopover. To see your options for flights from Chiang Mai International Airport to O'Hare International Airport, uncheck 'Direct flights only.' Then, pick a flight that has a stop long enough to tour your chosen city. Popular stopovers between CNX and ORD include:

    • Hong Kong International Airport

    • Taiwan Taoyuan International Airport

    • Shanghai Pudong International Airport

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

  • C$632 is the best price for a one-way ticket from Chiang Mai International Airport to O'Hare International Airport. A return flight starts from C$1,336. These fares may change depending on demand and availability.

  • To pick up cheap flight tickets from CNX to ORD, book early. Airlines generally offer lower prices when flights are first released.

  • The 'Whole month' tool shows you the cheapest flight tickets from Chiang Mai International Airport to O'Hare International Airport across every month. It's a great way to snap up a bargain if your travel plans are flexible.

  • Snapping up a cheap ticket from CNX to ORD couldn't be easier with Price Alerts. All you need to do is set up one of these automatic alerts and we'll get in touch as soon as the price has dropped.

  • Play around with filters to find the right trip for you. To see the 'Best,' 'Cheapest' or 'Fastest' flights from Chiang Mai International Airport to O'Hare International Airport, use the 'Sort by' tool. You can also filter results by airline, arrival and departure times, and number of stops.

Handy information about Chiang Mai International Airport (CNX)

  • Chiang Mai International Airport is around 5 kilometres from central Chiang Mai. If you're driving, catching a cab or ride-sharing from the center, it'll take you 10 minutes or so to get there, depending on traffic. If you're using public transport, expect the travel time to be approximately 23 minutes.

  • Got an early flight from Chiang Mai International Airport to O'Hare International Airport? Avoid the hassle of rushing to the terminal (and enjoy a little extra shut-eye) by choosing one of these hotels close to CNX:

Arriving at O'Hare International Airport (ORD)

Getting from O'Hare International Airport (ORD) to central Chicago

  • From O'Hare International Airport, Chicago is approximately 40 kilometres away. It takes around 35 minutes to reach the center driving.

  • Traveling by public transport will take you roughly 54 minutes.

When to fly to O'Hare International Airport (ORD)

  • August is the busiest month for flights from Chiang Mai International Airport to O'Hare International Airport. To steer clear of the crowds, go to Chicago in February.

  • Book your flight from Chiang Mai International Airport to O'Hare International Airport for July if you want to explore Chicago during its warmest month. Expect temperatures of between 15ºC and 29ºC.

  • January sees average temperatures of between -12ºC and 3ºC. Search for cheap flight tickets from CNX to ORD around that time if you want to travel in cooler conditions.

More about Chicago

Complete your Chicago trip with hotels and a car rental

  • We've got more party tricks than just comparing flights. Once you've secured your cheap ticket to O'Hare International Airport, check out our great car rental offers that'll give you the freedom to travel around at your own pace. Next, take a look at our exclusive rates for hotels to find your ideal Chicago stay.

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