$637 Cheap Flights from St. Louis (STL) to Chiang Mai (CNX)

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Cheap Flights from St. Louis to Chiang Mai (STL-CNX)

Prices were available within the past 7 days and start at $637 for one-way flights and $1,305 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Korean Air
Alaska Airlines
Alaska Airlines
Alaska Airlines
Alaska Airlines
Alaska Airlines
Alaska Airlines
Alaska Airlines
Alaska Airlines
Alaska Airlines
Flights from St. Louis (STL) to Chiang Mai (CNX)
Origin airport
Lambert-St. Louis Intl.
Destination airport
Chiang Mai Intl.
Airlines serving
Korean Air
Roundtrip price
$1,305
Distance
8416 mi

St. Louis to Chiang Mai Flights

Whether you’re looking for a grand adventure or just want to get away for a last-minute break, flights from St. Louis to Chiang Mai offer the perfect respite. Not only does exploring Chiang Mai provide the chance to make some magical memories, dip into delectable dishes, and tour the local landmarks, but the cheap airfare means you won’t bust your budget. So no matter whether your ideal itinerary involves flying one way, non-stop, or round trip, you’re bound to find flights that match your schedule on Expedia, and at prices that won’t shock your wallet.

Bagging a cheap flight from St. Louis to Chiang Mai may mean more dollars to spend on for one-of-a-kind souvenirs when you arrive, but it doesn’t mean you have to skimp on your travel experience, as Expedia offers a sizzling selection of cheap airlines that’ll put you in your happy place on their planes, whether that’s getting lost in a hair-raising airport thriller, dreaming on the passing landscape over a glass of bubbly, or jotting down your vacation bucket list at 38,000 feet. There’s also bound to be plenty of opportunities to snap a few photos of the high life that will make your friends green with envy. After all, enjoying the journey is part of the fun.

With so many affordable flights and so many wonderful adventures awaiting you, there’s no reason to put off booking a fantastic flight from to today. So don’t leave it to the last minute to make your dream trip a reality: pack your bags with your go-to travel accessories, put together your list of must-see attractions and can’t-miss activities, and get ready to broaden your horizons – with Expedia, the wonders of Chiang Mai are only a plane trip away. Book your travel arrangements with us today!

If you would like to book flights to Chiang Mai more flexibly many prefer to purchase one-way tickets with options to take different airlines. A one way ticket to Chiang Mai is $637 now!

Frequently asked questions

How much is a flight from Lambert Field to Chiang Mai Intl. Airport (CNX)?
Round-trip tickets from Lambert Field to CNX start from $1,305. This is based on fares listed within the last 7 days on Expedia for flights departing within the next year — book today to avoid missing out. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from St. Louis Lambert International Airport to Chiang Mai Airport?
Each air carrier has its own terms and conditions. If you do decide to cancel, follow the easy instructions on our Customer Service Portal.
How do I find cheap flights from STL to Chiang Mai Airport that have flexible change policies?
Many airlines offer the option to reschedule your flight without a change fee. All you pay is the difference between the original flight and the new flight. When you’re searching for Lambert Field to CNX flights, you’ll see a “no change fees” filter for you to select.
How far is the flight from Lambert-St. Louis Intl. Airport (STL) to Chiang Mai Airport?
St. Louis to Chiang Mai is around 8452 mi, so get ready to spend quite a while in the air. Don’t forget to pack all the essentials, from your earplugs to your eye mask. Toss in a few snacks to nibble on throughout your flight too.
Which airlines fly direct from Lambert Field to Chiang Mai Airport?
At present, no airlines offer direct flights from Lambert-St. Louis Intl. Airport (STL) to CNX. You’ll have to book a flight with at least one stop. To get the best connections and price, lock in your fare well in advance.
Are St. Louis Lambert International Airport to CNX flight tickets cheaper when they're purchased at the last minute?
Flight prices change all the time, so it’s no sure thing. While last-minute deals between Lambert-St. Louis Intl. Airport (STL) and Chiang Mai Intl. Airport (CNX) are of course possible, it’s also a good idea to keep a close eye on prices well before you fly. In fact, some air carriers announce their prices up to 12 months ahead of the departure date. Expedia is constantly updating the biggest bargains around, so keep checking back and be ready to secure your seat when the price is low.
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