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Chiang Mai

$719+ Cheap flights from St. Louis (STL) to Chiang Mai (CNX)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 4/25. Fares are subject to change and may not be available on all flights or dates of travel.
STL — CNX
Jan 26 — Feb 21
Sun 1/26
Sun 2/2
1 adult, Economy
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1. Tell us where you want to go
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Cheap flight deals from St. Louis to Chiang Mai

Discover tips and strategies to find the most affordable flight options for your journey from St. Louis (STL) to Chiang Mai (CNX). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated January 21, 2025.

Most accurate provider

AranGrant
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$1,144
(Delta)
Provider with most accurate pricing for Lambert-St Louis-Chiang Mai flight deals.
Search Deals
Provider most trusted by Cheapflights users for Lambert-St Louis-Chiang Mai flights.
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From Lambert-St Louis to Chiang Mai
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Find flight deals from St. Louis to Chiang Mai

Cheapest flights from St. Louis to Chiang Mai
Explore the most affordable flight options available from St. Louis to Chiang Mai. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 21, 2025.

This EVA Air deal was found by Cheapflights users on 1/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure EVA Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/67:30 pmSTL - CNX
2 stops26h 55mMultiple Airlines
Sun 8/1012:20 pmCNX - STL
3 stops28h 38mMultiple Airlines
Deal found 1/21$1,609
This Qatar Airways deal was found by Cheapflights users on 1/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/64:23 pmSTL - CNX
3 stops33h 22mQatar Airways
Sun 8/102:35 pmCNX - STL
3 stops35h 29mQatar Airways
Deal found 1/21$2,046

Find flights from St. Louis to Chiang Mai within your budget

Customize your flight search to find flights from St. Louis to Chiang Mai that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated January 21, 2025.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

St. LouisChiang Mai

STL - CNX

STLCNX

Lambert-St Louis

Thu 3/6

6:00 am-11:05 pm

2 stops28h 05m

Chiang Mai

Thu 3/13

3:20 pm-11:31 pm

2 stops44h 11m

$1,144

St. LouisChiang Mai

STL - CNX

STLCNX

Lambert-St Louis

Fri 4/25

6:30 am-11:40 pm

2 stops29h 10m

Chiang Mai

Thu 5/8

12:45 am-11:59 pm

2 stops35h 14m

$1,237

St. LouisChiang Mai

STL - CNX

STLCNX

Lambert-St Louis

Fri 4/25

12:02 pm-9:20 am

3 stops33h 18m

Chiang Mai

Fri 5/9

2:35 pm-6:19 pm

3 stops39h 44m

$1,706

St. LouisChiang Mai

STL - CNX

STLCNX

Lambert-St Louis

Fri 4/25

6:30 am-10:25 am

2 stops39h 55m

$719

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/19

Compare providers for flights from St. Louis to Chiang Mai

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from St. Louis to Chiang Mai in January.
ProviderPrice AccuracyTrust Score*
AranGrantPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on St. Louis-Chiang Mai flights, users find the pricing of AranGrant to be most consistent on Cheapflights vs. AranGrant Users can find the same prices on St. Louis-Chiang Mai flight deals on Cheapflights vs. AranGrant >95% of the time. Price accuracy is based on data collected from St. Louis-Chiang Mai flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on St. Louis-Chiang Mai flights, Cheapflights users trust AranGrant the most. AranGrant has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for St. Louis-Chiang Mai flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from St. Louis to Chiang Mai

Have a flexible travel schedule? Discover the best time to fly to Chiang Mai from St. Louis with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Travel insights for flights from St. Louis to Chiang Mai

Get recent, data-driven insights about flights from St. Louis to Chiang Mai including ideal travel times, pricing trends, and more.

Rainfall in Chiang Mai by month

Plan your trip to Chiang Mai by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Chiang Mai ranges from 0.0 - 9.8 inches per month. September is typically the wettest month, when rainfall can reach 9.8 in. January is typically the driest time to visit Chiang Mai when rainfall is around 0.0 in.

Temperature in Chiang Mai by month

Plan your trip to Chiang Mai by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Chiang Mai, use this chart to help with planning. For those seeking warmer temperatures, April is the ideal time of year to visit, when temperatures reach an average of 84.2 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 69.8 F).

Reviews of airlines servicing Chiang Mai

Get insights into the airlines that provide service to Chiang Mai. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Chiang Mai. Reviews last updated January 21, 2025.
Delta
8.0
Very good
8,521 reviews

Food

7.3

Boarding

8.2

Overall

8.0

Crew

8.6

Entertainment

7.9

Comfort

8.0

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Delta
8.0
Very good
8,521 reviews
Delta
8.0
Very good
8,521 reviews

Food

7.3

Boarding

8.2

Overall

8.0

Crew

8.6

Entertainment

7.9

Comfort

8.0

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Qatar Airways
7.5
Good
3,752 reviews
Delta
8.0
Very good
8,521 reviews

Food

7.3

Boarding

8.2

Overall

8.0

Crew

8.6

Entertainment

7.9

Comfort

8.0

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Related info for your journey

Find useful and relevant information for your journey from St. Louis to Chiang Mai. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • Can I find deals for flights from St. Louis to Chiang Mai that include hotel bookings?

    Yes. In addition to deals on St. Louis to Chiang Mai flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from St. Louis to Chiang Mai?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from St. Louis to Chiang Mai.

  • Can I find deals for business class flights from St. Louis to Chiang Mai?

    Yes. Cheapflights offers flight deals from St. Louis to Chiang Mai by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from St. Louis to Chiang Mai?

    Currently, September is the cheapest month in which you can book a flight from St. Louis to Chiang Mai (average of $1,041). Flying from St. Louis to Chiang Mai in December is currently the most expensive (average of $1,678). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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