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Cheap flights from St. Louis to Chiang Mai from $801

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from St. Louis to Chiang Mai departing on 5/17. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Find the cheapest flights from St. Louis to Chiang Mai

Cheap round-trip flights

These are some of the best round-trip flight deals from St. Louis to Chiang Mai that have been recently found on momondo from popular airlines, departing in the coming months.
Multiple Airlines Logo
STL-CNX
8411 mimulti-stop
Multiple Airlines Logo
CNX-STL
8411 mimulti-stop
Multiple Airlines
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When to book flights from St. Louis to Chiang Mai

Are you open to changing your travel dates? Check out the ideal times to fly from St. Louis to Chiang Mai according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap St. Louis to Chiang Mai (STL to CNX) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from St. Louis to Chiang Mai

Fastest flight time

28h 03m

Direct flights

None

Airports in Chiang Mai

1 airport
The fastest flight from St. Louis to Chiang Mai takes 28h 03m
There are no direct flights from St. Louis to Chiang Mai. Popular non-direct route for this connection is Lambert-St Louis Airport - Chiang Mai Airport.
There is 1 airport near Chiang Mai: Chiang Mai (CNX)

  • How far is Lambert-St Louis to Chiang Mai by plane?

    The distance between Lambert-St Louis and Chiang Mai is about 8419.6 mi.

  • When did momondo last update prices for flights from Lambert-St Louis Airport to Chiang Mai Airport?

    Prices for flights from Lambert-St Louis Airport to Chiang Mai Airport are refreshed on a daily basis.

  • How old do you have to be to fly from Lambert-St Louis Airport to Chiang Mai Airport?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Lambert-St Louis Airport to Chiang Mai Airport.

  • What documentation or ID do you need to fly to Chiang Mai Airport?

    The travel and health documents required for your trip to Chiang Mai Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Chiang Mai Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.


  • How do I get Price Alerts for flights from St. Louis to Chiang Mai?

    Confirm your travel details to search for the latest offers for flights from St. Louis to Chiang Mai. While browsing offers there will be the option to toggle “Price Alerts”. You’ll then receive updates when prices for the flight route increase or decrease.

  • How can I save money on flights from St. Louis to Chiang Mai with momondo?

    Plan your trips smart with the “Price Forecast” feature, which uses flight data to help you pick the best days to fly for the lowest fares. Our “Price Calendar” helps you get the most for your money by showing you when it’s most advantageous to fly. Curate your own travel experiences for less with “Explore”. Expert travel hacks to fuel your next adventure are a click away with “Discover” by momondo. Set up our “Price Alerts” to track fare changes and book when prices are at their lowest point.

  • How does momondo find its flight prices?

    momondo shows deals across 700+ competitors all at once. momondo is active in 30 international markets, so you can have access to a wide range of options from airlines and OTAs alike.


Why use momondo?

Why should I use momondo to find a flight deal from St. Louis to Chiang Mai?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from St. Louis to Chiang Mai. momondo saves you time and could save you money on your trip.

Can I find flights from St. Louis to Chiang Mai with flexible booking policies on momondo?

All flight searches from St. Louis to Chiang Mai on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from St. Louis to Chiang Mai?

Once you have performed a search for St. Louis to Chiang Mai flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight from St. Louis to Chiang Mai right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of St. Louis to Chiang Mai flights. All you need is a valid email address and we will do the rest; it is that quick and easy.


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1 adult
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Tue 5/13

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