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Cheap flights from St. Louis to Chiang Mai from $675

1 adult
1 adult, Economy, 0 bags

Find the cheapest flights from St. Louis to Chiang Mai

Cheap round-trip flights

Enter your travel dates to find the best prices.
Korean Air Logo
6:00 am - 10:45 pmSTL  Lambert-St Louis-CNX Chiang Mai
27h 45m2 stops Atlanta Hartsfield-Jackson Incheon Intl
Korean Air Logo
12:20 am - 6:01 pmCNX  Chiang Mai-STL Lambert-St Louis
30h 41m2 stops Incheon Intl Atlanta Hartsfield-Jackson
$1,201Korean Air
Thu, Mar 4 - Sun, Mar 7
Korean Air Logo
7:05 am - 10:45 pmSTL  Lambert-St Louis-CNX Chiang Mai
26h 40m2 stops Atlanta Hartsfield-Jackson Incheon Intl
Korean Air Logo
12:20 am - 6:01 pmCNX  Chiang Mai-STL Lambert-St Louis
30h 41m2 stops Incheon Intl Atlanta Hartsfield-Jackson
$1,202Korean Air
Thu, Mar 4 - Sun, Mar 7
Korean Air Logo
7:05 am - 10:45 pmSTL  Lambert-St Louis-CNX Chiang Mai
26h 40m2 stops Atlanta Hartsfield-Jackson Incheon Intl
Korean Air Logo
12:20 am - 6:01 pmCNX  Chiang Mai-STL Lambert-St Louis
30h 41m2 stops Incheon Intl Atlanta Hartsfield-Jackson
$1,266Korean Air
Thu, Mar 4 - Sun, Mar 7
Multiple Airlines Logo
4:06 pm - 4:00 pmSTL  Lambert-St Louis-CNX Chiang Mai
34h 54m2 stops Seattle/Tacoma Intl Taipei City Taiwan Taoyuan Intl
Multiple Airlines Logo
5:15 pm - 3:08 pmCNX  Chiang Mai-STL Lambert-St Louis
58h 53m2 stops Taipei City Taiwan Taoyuan Intl Seattle/Tacoma Intl
$1,366Multiple Airlines
Tue, Jan 12 - Thu, Jan 28
Multiple Airlines Logo
4:06 pm - 4:00 pmSTL  Lambert-St Louis-CNX Chiang Mai
34h 54m2 stops Seattle/Tacoma Intl Taipei City Taiwan Taoyuan Intl
Multiple Airlines Logo
5:15 pm - 3:08 pmCNX  Chiang Mai-STL Lambert-St Louis
58h 53m2 stops Taipei City Taiwan Taoyuan Intl Seattle/Tacoma Intl
$1,367Multiple Airlines
Tue, Jan 12 - Thu, Jan 28
Multiple Airlines Logo
4:06 pm - 4:00 pmSTL  Lambert-St Louis-CNX Chiang Mai
34h 54m2 stops Seattle/Tacoma Intl Taipei City Taiwan Taoyuan Intl
Multiple Airlines Logo
5:15 pm - 3:08 pmCNX  Chiang Mai-STL Lambert-St Louis
58h 53m2 stops Taipei City Taiwan Taoyuan Intl Seattle/Tacoma Intl
$1,502Multiple Airlines
Tue, Jan 12 - Thu, Jan 28
Multiple Airlines Logo
4:06 pm - 10:35 amSTL  Lambert-St Louis-CNX Chiang Mai
29h 29m2 stops Seattle/Tacoma Intl Taipei City Taiwan Taoyuan Intl
Multiple Airlines Logo
11:50 am - 3:08 pmCNX  Chiang Mai-STL Lambert-St Louis
40h 18m2 stops Taipei City Taiwan Taoyuan Intl Seattle/Tacoma Intl
$1,538Multiple Airlines
Tue, Jan 12 - Thu, Jan 28
Etihad Airways Logo
8:00 am - 5:55 pmSTL  Lambert-St Louis-CNX Chiang Mai
44h 55m2 stops Charlotte Douglas Abu Dhabi Zayed Intl
Etihad Airways Logo
8:55 pm - 4:16 pmCNX  Chiang Mai-STL Lambert-St Louis
32h 21m2 stops Abu Dhabi Zayed Intl Charlotte Douglas
$1,566Etihad Airways
Thu, Dec 24 - Thu, Dec 31
Qatar Airways Logo
12:55 pm - 7:00 pmSTL  Lambert-St Louis-CNX Chiang Mai
41h 05m3 stops Philadelphia Doha Hamad Intl Bangkok Suvarnabhumi
Qatar Airways Logo
12:10 pm - 2:55 pmCNX  Chiang Mai-STL Lambert-St Louis
39h 45m3 stops Bangkok Suvarnabhumi Doha Hamad Intl Dallas/Fort Worth
$2,078Qatar Airways
Tue, Jan 12 - Thu, Jan 28
Qatar Airways Logo
12:55 pm - 7:00 pmSTL  Lambert-St Louis-CNX Chiang Mai
41h 05m3 stops Philadelphia Doha Hamad Intl Bangkok Suvarnabhumi
Qatar Airways Logo
12:10 pm - 2:55 pmCNX  Chiang Mai-STL Lambert-St Louis
39h 45m3 stops Bangkok Suvarnabhumi Doha Hamad Intl Dallas/Fort Worth
$2,152Qatar Airways
Tue, Jan 12 - Thu, Jan 28

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Korean Air flights from St. Louis to Chiang Mai

Our best Korean Air deals on St. Louis to Chiang Mai flight tickets
Korean Air
Mar 4
STL6:00 amLambert-St Louis
27h 45m
2 stops
CNX10:45 pmChiang Mai
Mar 7
CNX12:20 amChiang Mai
30h 41m
2 stops
STL6:01 pmLambert-St Louis
$1,201
Korean Air
Mar 4
STL7:05 amLambert-St Louis
26h 40m
2 stops
CNX10:45 pmChiang Mai
Mar 7
CNX12:20 amChiang Mai
30h 41m
2 stops
STL6:01 pmLambert-St Louis
$1,202
Korean Air
Mar 4
STL7:05 amLambert-St Louis
26h 40m
2 stops
CNX10:45 pmChiang Mai
Mar 7
CNX12:20 amChiang Mai
30h 41m
2 stops
STL6:01 pmLambert-St Louis
$1,266

Qatar Airways flights from St. Louis to Chiang Mai

Our best Qatar Airways deals on St. Louis to Chiang Mai flight tickets
Qatar Airways
Jan 12
STL12:55 pmLambert-St Louis
41h 05m
3 stops
CNX7:00 pmChiang Mai
Jan 28
CNX12:10 pmChiang Mai
39h 45m
3 stops
STL2:55 pmLambert-St Louis
$2,078
Qatar Airways
Jan 12
STL12:55 pmLambert-St Louis
41h 05m
3 stops
CNX7:00 pmChiang Mai
Jan 28
CNX12:10 pmChiang Mai
39h 45m
3 stops
STL2:55 pmLambert-St Louis
$2,152
Qatar Airways
Nov 15
STL8:10 amLambert-St Louis
36h 15m
3 stops
CNX9:25 amChiang Mai
Jan 17
CNX7:45 pmChiang Mai
39h 49m
3 stops
STL10:34 pmLambert-St Louis
$2,478

momondo Fare Finder

 
Use the filters below to find and compare flights from St. Louis to Chiang Mai that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

St. LouisChiang Mai

STL Lambert-St Louis - CNX Chiang Mai

STLCNX

Lambert-St Louis

Thu 3/4

6:00 am-10:45 pm

2 stops27h 45m

Chiang Mai

Sun 3/7

12:20 am-6:01 pm

2 stops30h 41m

$1,201
Quickest round-trip

St. LouisChiang Mai

STL Lambert-St Louis - CNX Chiang Mai

STLCNX

Lambert-St Louis

Thu 3/4

7:05 am-10:45 pm

2 stops26h 40m

Chiang Mai

Sun 3/7

12:20 am-6:01 pm

2 stops30h 41m

$1,202

St. LouisChiang Mai

STL Lambert-St Louis - CNX Chiang Mai

STLCNX

Lambert-St Louis

Thu 3/4

7:05 am-10:45 pm

2 stops26h 40m

Chiang Mai

Sun 3/7

12:20 am-6:01 pm

2 stops30h 41m

$1,266

St. LouisChiang Mai

STL Lambert-St Louis - CNX Chiang Mai

STLCNX

Lambert-St Louis

Tue 1/12

4:06 pm-4:00 pm

2 stops34h 54m

Chiang Mai

Thu 1/28

5:15 pm-3:08 pm

2 stops58h 53m

$1,366

St. LouisChiang Mai

STL Lambert-St Louis - CNX Chiang Mai

STLCNX

Lambert-St Louis

Tue 1/12

4:06 pm-4:00 pm

2 stops34h 54m

Chiang Mai

Thu 1/28

5:15 pm-3:08 pm

2 stops58h 53m

$1,367

St. LouisChiang Mai

STL Lambert-St Louis - CNX Chiang Mai

STLCNX

Lambert-St Louis

Tue 1/12

4:06 pm-4:00 pm

2 stops34h 54m

Chiang Mai

Thu 1/28

5:15 pm-3:08 pm

2 stops58h 53m

$1,502

St. LouisChiang Mai

STL Lambert-St Louis - CNX Chiang Mai

STLCNX

Lambert-St Louis

Tue 1/12

4:06 pm-10:35 am

2 stops29h 29m

Chiang Mai

Thu 1/28

11:50 am-3:08 pm

2 stops40h 18m

$1,538

St. LouisChiang Mai

STL Lambert-St Louis - CNX Chiang Mai

STLCNX

Lambert-St Louis

Thu 12/24

8:00 am-5:55 pm

2 stops44h 55m

Chiang Mai

Thu 12/31

8:55 pm-4:16 pm

2 stops32h 21m

$1,566

St. LouisChiang Mai

STL Lambert-St Louis - CNX Chiang Mai

STLCNX

Lambert-St Louis

Tue 1/12

12:55 pm-7:00 pm

3 stops41h 05m

Chiang Mai

Thu 1/28

12:10 pm-2:55 pm

3 stops39h 45m

$2,078

St. LouisChiang Mai

STL Lambert-St Louis - CNX Chiang Mai

STLCNX

Lambert-St Louis

Tue 1/12

12:55 pm-7:00 pm

3 stops41h 05m

Chiang Mai

Thu 1/28

12:10 pm-2:55 pm

3 stops39h 45m

$2,152

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 14 resultsSorted by cheapest first
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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

Best Price Found

$675

Fastest flight time

34h 54m

Direct flights

None
The best one-way flight to Chiang Mai from St. Louis in the past 72 hours is $675. The best round-trip flight deal from St. Louis to Chiang Mai found on momondo in the last 72 hours is $1,201.
The fastest flight from St. Louis to Chiang Mai takes 34h 54m
There are no direct flights from St. Louis to Chiang Mai. There are no popular flight routes from St. Louis to Chiang Mai.
Search flight deals

Frequently asked questions about flying from St. Louis to Chiang Mai

  • 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. By plane, this route typically takes 34h 54m.

  • 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.

Frequently asked questions about flying from St. Louis to Chiang Mai

  • 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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