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St. Louis Lambert International Airport to Montrose Regional Airport flight

Explore the cheapest one-way and round-trip flights from St. Louis Lambert International Airport to Montrose Regional Airport over the next 90 days, with one-way fares from US$134 and round-trip from US$340. Based on Trip.com's latest 7-day flight data.

      • STL 05:40
        7h 43m
        1 stop
        MTJ 12:23
        St. Louis - Montrose | Fri, Oct 16 | American Airlines
        MTJ 13:14
        5h 34m
        1 stop
        STL 19:48
        Montrose - St. Louis | Thu, Oct 22 | American Airlines
        US$340 US$733
        54% off
        54% off
        US$733 US$340
      • STL 16:39
        4h 51m
        1 stop
        MTJ 20:30
        St. Louis - Montrose | Wed, Nov 4 | United Airlines
        MTJ 07:05
        4h 33m
        1 stop
        STL 12:38
        Montrose - St. Louis | Tue, Nov 10 | United Airlines
        US$350 US$733
        52% off
        52% off
        US$733 US$350
      • STL 08:50
        4h 46m
        1 stop
        MTJ 12:36
        St. Louis - Montrose | Thu, Nov 12 | United Airlines
        MTJ 07:05
        4h 33m
        1 stop
        STL 12:38
        Montrose - St. Louis | Tue, Nov 17 | United Airlines
        US$370 US$733
        50% off
        50% off
        US$733 US$370
      • STL 08:50
        4h 46m
        1 stop
        MTJ 12:36
        St. Louis - Montrose | Wed, Oct 28 | United Airlines
        MTJ 13:40
        6h 19m
        1 stop
        STL 20:59
        Montrose - St. Louis | Fri, Oct 30 | United Airlines
        US$414
        44% off
        US$733 US$414
      • STL 09:00
        6h 27m
        1 stop
        MTJ 14:27
        St. Louis - Montrose | Fri, Oct 16 | United Airlines
        MTJ 13:37
        5h 59m
        1 stop
        STL 20:36
        Montrose - St. Louis | Thu, Oct 22 | United Airlines
        US$419
        43% off
        US$733 US$419
      • STL 16:39
        4h 51m
        1 stop
        MTJ 20:30
        St. Louis - Montrose | Fri, Nov 6 | United Airlines
        MTJ 07:05
        4h 33m
        1 stop
        STL 12:38
        Montrose - St. Louis | Tue, Nov 10 | United Airlines
        US$440
        40% off
        US$733 US$440
      • STL 16:39
        4h 51m
        1 stop
        MTJ 20:30
        St. Louis - Montrose | Thu, Nov 5 | United Airlines
        MTJ 07:05
        4h 33m
        1 stop
        STL 12:38
        Montrose - St. Louis | Tue, Nov 10 | United Airlines
        US$442
        40% off
        US$733 US$442
      • STL 09:00
        4h 35m
        1 stop
        MTJ 12:35
        St. Louis - Montrose | Fri, Oct 23 | United Airlines
        MTJ 13:40
        6h 21m
        1 stop
        STL 21:01
        Montrose - St. Louis | Sun, Oct 25 | United Airlines
        US$462
        37% off
        US$733 US$462
      • STL 06:32
        6h 51m
        1 stop
        MTJ 12:23
        St. Louis - Montrose | Mon, Oct 12 | American Airlines
        MTJ 13:14
        7h 45m
        1 stop
        STL 21:59
        Montrose - St. Louis | Fri, Oct 16 | American Airlines
        US$518
        28% off
        US$733 US$518
      • STL 16:39
        4h 58m
        1 stop
        MTJ 20:37
        St. Louis - Montrose | Thu, Oct 15 | United Airlines
        MTJ 15:23
        4h 13m
        1 stop
        STL 20:36
        Montrose - St. Louis | Mon, Oct 19 | United Airlines
        US$526
        28% off
        US$733 US$526
      • STL 06:32
        6h 51m
        1 stop
        MTJ 12:23
        St. Louis - Montrose | Thu, Oct 15 | American Airlines
        MTJ 13:14
        7h 45m
        1 stop
        STL 21:59
        Montrose - St. Louis | Mon, Oct 19 | American Airlines
        US$543
        26% off
        US$733 US$543
      • STL 09:00
        4h 35m
        1 stop
        MTJ 12:35
        St. Louis - Montrose | Tue, Oct 13 | United Airlines
        MTJ 15:23
        7h 21m
        1 stop
        STL 23:44
        Montrose - St. Louis | Sat, Oct 17 | United Airlines
        US$557
        24% off
        US$733 US$557
      • STL 13:00
        17h 25m
        1 stop
        MTJ 14:00
        St. Louis - Montrose | Wed, Oct 7 | Normal Airline
        MTJ 15:00
        6h
        Nonstop
        STL 16:00
        Montrose - St. Louis | Fri, Oct 9 | Normal Airline
        More cheap flights
        More cheap flights
      • STL 05:00
        8h 39m
        1 stop
        MTJ 12:39
        St. Louis - Montrose | Mon, Nov 16 | American Airlines
        US$134 US$411
        67% off
        67% off
        US$411 US$134
      • STL 16:39
        4h 51m
        1 stop
        MTJ 20:30
        St. Louis - Montrose | Mon, Nov 16 | United Airlines
        US$170 US$411
        59% off
        59% off
        US$411 US$170
      • STL 09:00
        4h 35m
        1 stop
        MTJ 12:35
        St. Louis - Montrose | Mon, Oct 19 | United Airlines
        US$196 US$411
        52% off
        52% off
        US$411 US$196
      • STL 19:42
        25h 28m
        1 stop
        MTJ 20:10
        St. Louis - Montrose | Mon, Oct 19 | Frontier Airlines
        US$196
        52% off
        US$411 US$196
      • STL 05:00
        8h 39m
        1 stop
        MTJ 12:39
        St. Louis - Montrose | Tue, Nov 17 | American Airlines
        US$271
        34% off
        US$411 US$271
      • STL 08:50
        4h 46m
        1 stop
        MTJ 12:36
        St. Louis - Montrose | Tue, Nov 17 | United Airlines
        US$298
        27% off
        US$411 US$298
      • STL 13:00
        17h 25m
        1 stop
        MTJ 14:00
        St. Louis - Montrose | Wed, Oct 7 | Normal Airline
        More cheap flights
        More cheap flights

Displayed flight fares from St. Louis Lambert International Airport to Montrose Regional Airport are based on average prices across airlines for the next 3 months, according to the latest Trip.com database.

Which airline offers the cheapest flights from St. Louis Lambert International Airport to Montrose Regional Airport?

The cheapest airline flying from St. Louis Lambert International Airport to Montrose Regional Airport is American Airlines (from US$134) among 4 carriers operating this route. Based on Trip.com's latest 7-day flight data.

American Airlines
From US$134
United Airlines
From US$170
Frontier Airlines
From US$196
Delta Air Lines
From US$364

Find more flights and airlines

What is the flight schedule from St. Louis Lambert International Airport to Montrose Regional Airport?

Check on the flight schedule from St. Louis to Montrose to find the flight that matches your travel plan.

Flight info.
Departure
Arrival
Weekly Schedule

  1. UA2459

    St. Louis Lambert International Airport

    09:00

    STL

    2h 30m

    Nonstop

    10:30

    DEN

    S M T W T F S
    Search

  2. UA1772

    Denver International Airport

    11:20

    DEN

    1h 6m

    Nonstop

    12:26

    MTJ

    S M T W T F S

  3. UA2323

    St. Louis Lambert International Airport

    16:39

    STL

    2h 31m

    Nonstop

    18:10

    DEN

    S M T W T F S
    Search

  4. UA1483

    Denver International Airport

    19:05

    DEN

    1h 4m

    Nonstop

    20:09

    MTJ

    S M T W T F S

  5. UA2459

    St. Louis Lambert International Airport

    09:00

    STL

    2h 30m

    Nonstop

    10:30

    DEN

    S M T W T F S
    Search

  6. UA1469

    Denver International Airport

    13:25

    DEN

    1h 2m

    Nonstop

    14:27

    MTJ

    S M T W T F S

  7. AA537

    St. Louis Lambert International Airport

    06:32

    STL

    2h 3m

    Nonstop

    08:35

    DFW

    S M T W T F S
    Search

  8. AA3168

    Dallas Fort Worth International Airport

    11:05

    DFW

    2h 18m

    Nonstop

    12:23

    MTJ

    S M - W T - S

  9. DL4653

    St. Louis Lambert International Airport

    06:21

    STL

    1h 39m

    Nonstop

    08:00

    MSP

    S M T W T F S
    Search

  10. UA1891

    Minneapolis-Saint Paul International Airport

    08:35

    MSP

    2h 28m

    Nonstop

    10:03

    DEN

    S M T W T F S

  11. UA1772

    Denver International Airport

    11:20

    DEN

    1h 6m

    Nonstop

    12:26

    MTJ

    S M T W T F S

  12. AA2261

    St. Louis Lambert International Airport

    05:43

    STL

    1h 57m

    Nonstop

    07:40

    DFW

    S M T W T F S
    Search

  13. AA3168

    Dallas Fort Worth International Airport

    11:05

    DFW

    2h 18m

    Nonstop

    12:23

    MTJ

    S M - W T - S

  14. AA2261

    St. Louis Lambert International Airport

    05:43

    STL

    1h 57m

    Nonstop

    07:40

    DFW

    S M T W T F S
    Search

  15. AA3687

    Dallas Fort Worth International Airport

    08:26

    DFW

    2h 19m

    Nonstop

    09:45

    MTJ

    - - T - - - -

  16. AA4259

    St. Louis Lambert International Airport

    20:01

    STL

    1h 34m

    Nonstop

    21:35

    ORD

    S M T W T F S
    Search

  17. AA2281

    O'Hare International Airport

    21:15

    ORD

    2h 22m

    Nonstop

    23:37

    DFW

    S M T W T F S

  18. AA3168

    Dallas Fort Worth International Airport

    11:05

    DFW

    2h 18m

    Nonstop

    12:23

    MTJ

    S M - W T - S

  19. UA1380

    St. Louis Lambert International Airport

    13:30

    STL

    2h 30m

    Nonstop

    15:00

    DEN

    S M T W T F S
    Search

  20. UA1469

    Denver International Airport

    13:25

    DEN

    1h 2m

    Nonstop

    14:27

    MTJ

    S M T W T F S
Find more flights and airlines

About St. Louis Lambert International Airport and Montrose Regional Airport

Learn about St. Louis Lambert International Airport (STL) and Montrose Regional Airport (MTJ) — including location, terminals, transportation, and travel tips.

Flight distance 1,522.51 km
Cheapest one-way ticket price US$134
Cheapest return ticket price US$340

FAQs for St. Louis Lambert International Airport to Montrose Regional Airport Flights

  • How many daily flights are there from St. Louis Lambert International Airport (STL) to Montrose Regional Airport (MTJ)?

    There are around 1 daily flights from St. Louis Lambert International Airport (STL) to Montrose Regional Airport (MTJ).
  • The route from St. Louis Lambert International Airport (STL) to Montrose Regional Airport (MTJ) is quite popular. Without considering departure times or holidays, tickets cost around US$288 in August, the most expensive month to book this route.
  • One-way flights from St. Louis Lambert International Airport to Montrose Regional Airport currently start from US$134, and round-trip fares start from US$340. The current lowest fare is a American Airlines flight departing on Mon, Nov 16; prices may vary depending on availability.
  • Based on Trip.com flight data for departures within the next 30 days with at most one stop, the average one-way price from St. Louis Lambert International Airport to Montrose Regional Airport is US$276. Prices may vary depending on the departure date, airline, and availability.
  • Enter St. Louis Lambert International Airport and Montrose Regional Airport, select your departure date and number of passengers, then compare flights by price, flight duration, and baggage allowance. Once you've chosen a fare, review the change and refund rules, fill in passenger details, and pay to receive your booking confirmation.

Popular Destinations

Note: Prices shown on this page are the estimated lowest prices found in the last 24 hours and include all taxes and fees.

Book with no extra fees

Prices displayed on this page are all-inclusive (incl. taxes, fuel surcharges, Civil Aviation Development Fund, etc.), and all fees are clearly shown before you pay. Charges for checked baggage, onboard meals, Wi‑Fi, and other optional services are also included where applicable in the flight cards.

Real-time pricing updates

Prices, availability, and travel details on this page have been updated within the last 24 hours, and for many routes are refreshed in real time. The more popular the route, the more accurate and up-to-date the data.

Change & Cancellation Policy

Trip.com shows the change and cancellation rules for each ticket during the booking process, including all related fees and conditions. Please refer to the following scenarios:
Voluntary cancellation/change:
To request a change or cancellation, go to the flight bookings page, select the option to change or cancel your booking, choose the relevant passengers and flight segment, and submit your request. Please note that additional charges may apply based on the airline’s fare rules.
Cancellation/change due to a flight schedule change:
If your flight has been rescheduled and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For full details of change and cancellation policies, please refer to the customer support pages.