Cheap Flights from St. Louis to Chiang Mai from SGD 1,513️ (STL-CNX)

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Latest Flight Deals from St. Louis to Chiang Mai

Book one-way or return flights from St. Louis to Chiang Mai from as little as SGD 1,513. Choose from the popular airlines below and book your flight today!

One way
Round-trip

Crossed out prices are calculated based on the average price of the corresponding route on Trip.com.

Searching for the best last minute flight from St. Louis to Chiang Mai? Find one-way or return flights that are affordable and fit your itinerary.

Trip.com monitors the ticket fares of flights from St. Louis to Chiang Mai. Stay updated on price trends and snag the best deals for your upcoming trip.

Displayed prices are calculated based on the cheapest average weekly prices of the corresponding route on Trip.com.

Airlines Flying from St. Louis to Chiang Mai

View airlines operating flights from St. Louis to Chiang Mai. Compare prices, find the option that best suits your travel needs, and enjoy a comfortable journey with a trusted airline.

American Airlines

From SGD 1,513

Southwest Airlines

From SGD 1,648

United Airlines

From SGD 1,743

Delta Air Lines

From SGD 1,877

Korean Air

From SGD 2,235

Alaska Airlines

From SGD 2,369

ANA airlines

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Alternative Routes from St. Louis to Chiang Mai

Discover different routes, airlines, and transfers and find the best alternative flights for your journey from St. Louis to Chiang Mai.

Cheapest
STL
07:00
28h 45m
2 transfer
CNX
23:45
St.Louis Lambert International Airport - Chiang Mai International Airport
Thu, Jun 13Alaska Airlines
SGD 2,369
STL
07:00
28h 45m
2 transfer
CNX
23:45
St.Louis Lambert International Airport - Chiang Mai International Airport
Thu, Jun 13Alaska Airlines
SGD 2,369
Find More Flights

How do I find the cheapest flights?

When are flight tickets from St. Louis (STL) to Chiang Mai (CNX) the cheapest?
Airlines adjust prices for flights from St. Louis to Chiang Mai based on the date and time of your booking. By analyzing data from all airlines, on Trip.com, you can find the cheapest flight prices on Tuesdays, Wednesdays, and Saturdays.
How much are flights from St. Louis (STL) to Chiang Mai (CNX) cost?
According to Trip.com's data, the lowest price is around SGD 3,097.
What is the transportation method from the main airport to downtown in Chiang Mai?
- The distance from Chiang Mai International Airport to downtown is about 3km, by taxi about 20 minutes.
How many airports in Chiang Mai (CNX)?
There are 1 airport(s) in Chiang Mai (CNX): Chiang Mai International Airport.

How to find a cheap flight from St. Louis to Chiang Mai

Wait until the last minute and flight costs are often sky-high. Plan ahead, book the right way, and your savings can soar. We have loads of saving tips to help you find a cheap flight from St. Louis to Chiang Mai. Book your flights at the right time and save more.

Book Early

Once prices are gone, they're gone. Lock in deals while you can!

Compare Flight Prices

Compare prices on travel agency and airline websites.

Look Out for Deals

Check airline and travel agency websites for latest flight deals

Check One-way Fares

Buying two cheap one-way flights can sometimes be a better deal than a round-trip.

Try Different Dates

Flying during the week, early in the morning, or late at night can help save money.

Use the Trip.com App

Save up to £10 per person when booking your flights on Trip.com