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Flights from St. Louis to Chiang Mai
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Flights from St. Louis to Chiang Mai Starting at NZD 1,090

We've found these cheap flights for you. You can book one-way or return flight tickets.

  • One way
  • Round-trip
      • STL06:00
        44h 5m
        2 stops
        CNX14:05
        Mon, Mar 24|St. Louis - Chiang Mai|Delta Air Lines
        NZD 1,090NZD 1,407
        23% OFF
        23% OFF
        NZD 1,407NZD 1,090

        Choose Delta Air Lines flights from St. Louis to Chiang Mai. The one-way connecting flight with Delta Air Lines departs from St. Louis Lambert International Airport on Mon, Mar 24, arriving at Chiang Mai International Airport. One-way Prices start from NZD 1,090 including taxes and charges.

      • STL06:00
        44h 5m
        2 stops
        CNX14:05
        Fri, Mar 21|St. Louis - Chiang Mai|Delta Air Lines
        NZD 1,165NZD 1,407
        17% OFF
        17% OFF
        NZD 1,407NZD 1,165

        Choose Delta Air Lines flights from St. Louis to Chiang Mai. The one-way connecting flight with Delta Air Lines departs from St. Louis Lambert International Airport on Fri, Mar 21, arriving at Chiang Mai International Airport. One-way Prices start from NZD 1,165 including taxes and charges.

      • STL06:00
        44h 5m
        2 stops
        CNX14:05
        Mon, Mar 24|St. Louis - Chiang Mai|Korean Air
        NZD 1,194NZD 1,407
        15% OFF
        15% OFF
        NZD 1,407NZD 1,194

        Choose Korean Air flights from St. Louis to Chiang Mai. The one-way connecting flight with Korean Air departs from St. Louis Lambert International Airport on Mon, Mar 24, arriving at Chiang Mai International Airport. One-way Prices start from NZD 1,194 including taxes and charges.

      • STL15:21
        57h 44m
        2 stops
        CNX14:05
        Sat, Mar 1|St. Louis - Chiang Mai|Alaska Airlines
        NZD 1,203
        NZD 1,203

        Choose Alaska Airlines flights from St. Louis to Chiang Mai. The one-way connecting flight with Alaska Airlines departs from St. Louis Lambert International Airport on Sat, Mar 1, arriving at Chiang Mai International Airport. One-way Prices start from NZD 1,203 including taxes and charges.

      • STL17:33
        61h 17m
        2 stops
        CNX18:50
        Mon, Mar 24|St. Louis - Chiang Mai|United Airlines
        NZD 1,205
        NZD 1,205

        Choose United Airlines flights from St. Louis to Chiang Mai. The one-way connecting flight with United Airlines departs from St. Louis Lambert International Airport on Mon, Mar 24, arriving at Chiang Mai International Airport. One-way Prices start from NZD 1,205 including taxes and charges.

      • STL15:11
        58h 54m
        2 stops
        CNX14:05
        Mon, Mar 24|St. Louis - Chiang Mai|Alaska Airlines
        NZD 1,221
        NZD 1,221

        Choose Alaska Airlines flights from St. Louis to Chiang Mai. The one-way connecting flight with Alaska Airlines departs from St. Louis Lambert International Airport on Mon, Mar 24, arriving at Chiang Mai International Airport. One-way Prices start from NZD 1,221 including taxes and charges.

      • STL06:00
        28h 5m
        2 stops
        CNX23:05
        Mon, Feb 10|St. Louis - Chiang Mai|Korean Air
        NZD 1,229
        NZD 1,229

        Choose Korean Air flights from St. Louis to Chiang Mai. The one-way connecting flight with Korean Air departs from St. Louis Lambert International Airport on Mon, Feb 10, arriving at Chiang Mai International Airport. One-way Prices start from NZD 1,229 including taxes and charges.

      • STL06:00
        44h 5m
        2 stops
        CNX14:05
        Fri, Mar 21|St. Louis - Chiang Mai|Korean Air
        NZD 1,265
        NZD 1,265

        Choose Korean Air flights from St. Louis to Chiang Mai. The one-way connecting flight with Korean Air departs from St. Louis Lambert International Airport on Fri, Mar 21, arriving at Chiang Mai International Airport. One-way Prices start from NZD 1,265 including taxes and charges.

      • STL07:04
        27h 1m
        2 stops
        CNX23:05
        Sat, Mar 1|St. Louis - Chiang Mai|American Airlines
        NZD 1,267
        NZD 1,267

        Choose American Airlines flights from St. Louis to Chiang Mai. The one-way connecting flight with American Airlines departs from St. Louis Lambert International Airport on Sat, Mar 1, arriving at Chiang Mai International Airport. One-way Prices start from NZD 1,267 including taxes and charges.

      • STL06:00
        28h 5m
        2 stops
        CNX23:05
        Sat, Mar 1|St. Louis - Chiang Mai|Delta Air Lines
        NZD 1,267
        NZD 1,267

        Choose Delta Air Lines flights from St. Louis to Chiang Mai. The one-way connecting flight with Delta Air Lines departs from St. Louis Lambert International Airport on Sat, Mar 1, arriving at Chiang Mai International Airport. One-way Prices start from NZD 1,267 including taxes and charges.

      • STL01:00 pm
        3h 5m
        Nonstop
        CNX02:00 pm
        Thu, Feb 6|St. Louis - Chiang Mai|Delta Air Lines
        Find More Flights
        Find More Flights

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

St. Louis to Chiang Mai flight time & flight schedules

Flight info.
Departure
Arrival
Weekly Schedule

  1. AA2261

    American Airlines

    05:26

    STL

    1.9h

    07:20

    DFW

    SMTWTFS
    Search

  2. AA281

    American Airlines

    10:20

    DFW

    15.4h

    16:45

    ICN

    SMTWTFS

  3. 7C4205

    Jeju Air

    19:10

    ICN

    6.6h

    23:45

    CNX

    SMTWTFS

  4. DL1524

    Delta Air Lines

    06:00

    STL

    1.6h

    08:39

    ATL

    SMTWTFS
    Search

  5. KE5040

    Korean Air

    09:45

    ATL

    15.4h

    14:10

    ICN

    SMTWTFS

  6. OZ765

    Asiana Airlines

    18:55

    ICN

    6.2h

    23:05

    CNX

    SMTWTFS

  7. DL4981

    Delta Air Lines

    06:00

    STL

    2.5h

    09:27

    LGA

    SMTWT--
    Search

  8. OZ221

    Asiana Airlines

    12:55

    JFK

    15.8h

    17:40

    ICN

    SMTWTFS

  9. OZ765

    Asiana Airlines

    18:55

    ICN

    6.2h

    23:05

    CNX

    SMTWTFS

  10. DL1597

    Delta Air Lines

    06:00

    STL

    1.6h

    07:39

    MSP

    SMTWTFS
    Search

  11. KE5034

    Korean Air

    13:35

    MSP

    13.8h

    17:20

    ICN

    SMTWTFS

  12. 7C4205

    Jeju Air

    19:10

    ICN

    6.6h

    23:45

    CNX

    SMTWTFS

  13. DL1597

    Delta Air Lines

    06:00

    STL

    1.6h

    07:39

    MSP

    SMTWTFS
    Search

  14. KE5034

    Korean Air

    13:35

    MSP

    13.8h

    17:20

    ICN

    SMTWTFS

  15. KE667

    Korean Air

    19:05

    ICN

    6.0h

    23:05

    CNX

    SMTWTFS

  16. KE3250

    Korean Air

    06:45

    STL

    1.5h

    09:15

    DTW

    SMTWTFS
    Search

  17. KE7274

    Korean Air

    12:35

    DTW

    14.8h

    16:25

    ICN

    SMTWTFS

  18. OZ765

    Asiana Airlines

    18:55

    ICN

    6.2h

    23:05

    CNX

    SMTWTFS

  19. UA246

    United Airlines

    07:00

    STL

    4.8h

    09:45

    SFO

    SMTWTFS
    Search

  20. OZ215

    Asiana Airlines

    12:50

    SFO

    12.8h

    17:40

    ICN

    S-T-T--

  21. OZ765

    Asiana Airlines

    18:55

    ICN

    6.2h

    23:05

    CNX

    SMTWTFS

  22. AS504

    Alaska Airlines

    07:00

    STL

    4.6h

    09:35

    SEA

    S-TWTFS
    Search

  23. OZ271

    Asiana Airlines

    13:10

    SEA

    12.1h

    18:15

    ICN

    SMTWTFS

  24. OZ765

    Asiana Airlines

    18:55

    ICN

    6.2h

    23:05

    CNX

    SMTWTFS

  25. KE3830

    Korean Air

    11:19

    STL

    1.7h

    12:59

    MSP

    SMTWTFS
    Search

  26. KE5034

    Korean Air

    13:35

    MSP

    13.8h

    17:20

    ICN

    SMTWTFS

  27. KE667

    Korean Air

    19:05

    ICN

    6.0h

    23:05

    CNX

    SMTWTFS

  28. AS388

    Alaska Airlines

    15:08

    STL

    4.5h

    17:39

    SEA

    SMTWT-S
    Search

  29. BR025

    EVA Air

    00:10

    SEA

    13.0h

    05:10

    TPE

    SMTWTFS

  30. BR257

    EVA Air

    07:20

    TPE

    4.3h

    10:35

    CNX

    SMTWTFS
Find more flights and airlines

Find the best time to fly from St. Louis to Chiang Mai

We monitor flight fares to help you find the best deals effortlessly

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

FAQ

  • 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 departure date and time of your selection. By analyzing data from all airlines, we've discovered that on Trip.com, you can find the lowest flight prices on Tuesdays, Wednesdays, and Saturdays.

  • How much do flights from St. Louis (STL) to Chiang Mai (CNX) cost?

    According to Trip.com's data, the lowest price is around NZD 2,921.

  • 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 3 km. It takes about 20 minutes by taxi.

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.
1
Book Early
Once prices are gone, they're gone. Lock in deals while you can!
2
Compare Flight Prices
Compare prices on travel agency and airline websites.
3
Look Out for Deals
Check airline and travel agency websites for latest flight deals
4
Check One-way Fares
Buying two cheap one-way flights can sometimes be a better deal than a round-trip.
5
Try Different Dates
Flying during the week, early in the morning, or late at night can help save money.
6
Use the Trip.com App
Save up to £10 per person when booking your flights on Trip.com

Flight Information from St. Louis to Chiang Mai

Off-season for travelMarch
Peak season for travelDecember
Flight distance13,562.94 km
Popular airlineAmerican Airlines

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