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Cheap flight deals from St. Louis to Chiang Mai Starting at €586

For as little as €586, you can take your next adventure to Chiang Mai without breaking the bank. Choose between one-way and return tickets from St. Louis below.

  • One way
  • Round-trip
      • STL06:00
        44h 5m
        2 stops
        CNX14:05
        Mon, Mar 24|St. Louis - Chiang Mai|Delta Air Lines
        €586€853
        31% OFF
        31% OFF
        €853€586

        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 €586 including taxes and charges.

      • STL06:00
        28h 5m
        2 stops
        CNX23:05
        Tue, Feb 18|St. Louis - Chiang Mai|Delta Air Lines
        €603€853
        28% OFF
        28% OFF
        €853€603

        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 Tue, Feb 18, arriving at Chiang Mai International Airport. One-way Prices start from €603 including taxes and charges.

      • STL09:00
        46h 30m
        2 stops
        CNX20:30
        Tue, Feb 18|St. Louis - Chiang Mai|United Airlines
        €619€853
        27% OFF
        27% OFF
        €853€619

        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 Tue, Feb 18, arriving at Chiang Mai International Airport. One-way Prices start from €619 including taxes and charges.

      • STL06:00
        44h 5m
        2 stops
        CNX14:05
        Fri, Mar 21|St. Louis - Chiang Mai|Delta Air Lines
        €627
        €627

        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 €627 including taxes and charges.

      • STL09:00
        46h 50m
        2 stops
        CNX20:50
        Mon, Feb 17|St. Louis - Chiang Mai|United Airlines
        €629
        €629

        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, Feb 17, arriving at Chiang Mai International Airport. One-way Prices start from €629 including taxes and charges.

      • STL06:00
        44h 5m
        2 stops
        CNX14:05
        Mon, Mar 24|St. Louis - Chiang Mai|Korean Air
        €642
        €642

        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 €642 including taxes and charges.

      • STL07:04
        48h 26m
        2 stops
        CNX20:30
        Tue, Feb 18|St. Louis - Chiang Mai|American Airlines
        €644
        €644

        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 Tue, Feb 18, arriving at Chiang Mai International Airport. One-way Prices start from €644 including taxes and charges.

      • STL07:04
        27h 1m
        2 stops
        CNX23:05
        Mon, Feb 17|St. Louis - Chiang Mai|American Airlines
        €645
        €645

        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 Mon, Feb 17, arriving at Chiang Mai International Airport. One-way Prices start from €645 including taxes and charges.

      • STL06:00
        28h 5m
        2 stops
        CNX23:05
        Mon, Feb 17|St. Louis - Chiang Mai|Delta Air Lines
        €645
        €645

        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, Feb 17, arriving at Chiang Mai International Airport. One-way Prices start from €645 including taxes and charges.

      • STL15:21
        57h 44m
        2 stops
        CNX14:05
        Sat, Mar 1|St. Louis - Chiang Mai|Alaska Airlines
        €647
        €647

        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 €647 including taxes and charges.

      • STL01:00 pm
        3h 5m
        Nonstop
        CNX02:00 pm
        Sat, Feb 22|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. AA629

    American Airlines

    06:00

    STL

    1.4h

    07:23

    ORD

    SMTWTFS
    Search

  2. KE038

    Korean Air

    12:20

    ORD

    14.5h

    16:50

    ICN

    SMTWTFS

  3. KE667

    Korean Air

    18:25

    ICN

    5.5h

    21:55

    CNX

    SMTWTFS

  4. DL1597

    Delta Air Lines

    06:30

    STL

    1.5h

    08:02

    MSP

    SMTWTFS
    Search

  5. KE5034

    Korean Air

    13:35

    MSP

    13.8h

    17:20

    ICN

    SMTWTFS

  6. KE667

    Korean Air

    18:25

    ICN

    5.5h

    21:55

    CNX

    SMTWTFS

  7. AS504

    Alaska Airlines

    07:00

    STL

    4.3h

    09:17

    SEA

    SMTWTFS
    Search

  8. BR023

    EVA Air

    00:50

    SEA

    12.3h

    04:10

    TPE

    -M-W-F-

  9. BR257

    EVA Air

    07:25

    TPE

    4.0h

    10:25

    CNX

    SMTWTFS

  10. AS504

    Alaska Airlines

    07:00

    STL

    4.3h

    09:17

    SEA

    SMTWTFS
    Search

  11. CI021

    China Airlines

    01:10

    SEA

    12.9h

    05:05

    TPE

    SMT-T-S

  12. CI851

    China Airlines

    07:30

    TPE

    3.8h

    10:20

    CNX

    -MT-TFS

  13. AS504

    Alaska Airlines

    07:00

    STL

    4.3h

    09:17

    SEA

    SMTWTFS
    Search

  14. OZ271

    Asiana Airlines

    14:05

    SEA

    11.7h

    17:45

    ICN

    SMTWTFS

  15. OZ765

    Asiana Airlines

    19:50

    ICN

    5.8h

    23:40

    CNX

    SMTWTFS

  16. AA537

    American Airlines

    07:04

    STL

    2.2h

    09:14

    DFW

    SMTWTFS
    Search

  17. KE032

    Korean Air

    11:55

    DFW

    14.8h

    16:40

    ICN

    SMTWTFS

  18. KE667

    Korean Air

    18:25

    ICN

    5.5h

    21:55

    CNX

    SMTWTFS

  19. UA1314

    United Airlines

    09:00

    STL

    4.6h

    11:38

    SFO

    SMTWTFS
    Search

  20. CX873

    Cathay Pacific

    00:20

    SFO

    15.0h

    06:20

    HKG

    SMTWTFS

  21. CX5756

    Cathay Pacific

    07:40

    HKG

    3.2h

    09:50

    CNX

    SMTWTFS

  22. KE3830

    Korean Air

    10:24

    STL

    1.6h

    11:59

    MSP

    SMTWTFS
    Search

  23. KE5034

    Korean Air

    13:35

    MSP

    13.8h

    17:20

    ICN

    SMTWTFS

  24. KE667

    Korean Air

    18:25

    ICN

    5.5h

    21:55

    CNX

    SMTWTFS

  25. DL566

    Delta Air Lines

    12:55

    STL

    1.6h

    15:33

    ATL

    SMTWTFS
    Search

  26. DL027

    Delta Air Lines

    23:40

    ATL

    17.1h

    05:45

    ICN

    SMTWTFS

  27. DL7887

    Delta Air Lines

    10:05

    ICN

    6.0h

    14:05

    CNX

    SMTWTFS

  28. AS503

    Alaska Airlines

    18:22

    STL

    4.5h

    20:50

    SEA

    S--WTFS
    Search

  29. BR023

    EVA Air

    00:50

    SEA

    12.3h

    04:10

    TPE

    -M-W-F-

  30. BR257

    EVA Air

    07:25

    TPE

    4.0h

    10:25

    CNX

    SMTWTFS
Find more flights and airlines

When is the cheapest time to fly from St. Louis to Chiang Mai?

These price trend charts carefully monitor and predict how flight prices from St. Louis to Chiang Mai will change. Keep a close eye on them to understand when the best time to buy your tickets is.

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

Frequently Asked Questions

  • 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 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 €1,571.

  • 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, by taxi about 20 minutes.

  • How many airports are there in Chiang Mai (CNX)?

    There are 1 airport(s) near Chiang Mai (CNX): Chiang Mai International Airport.

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

Understanding the common pitfalls when booking your flight tickets can help you save massively when it comes time to fly. We’ve listed our six essential steps to keep in mind when you’re booking flight tickets to help you find the best price.
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 Info | St. Louis to Chiang Mai

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

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