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Flights from Iron Mountain to Denver

Search cheap flights from Iron Mountain to Denver in the next 3 months. Based on Trip.com's latest 7-day data, one-way fares start at US$297, and round-trip tickets start at US$514.

      • IMT 17:10
        6h 43m
        1 stop
        DEN 22:53
        Iron Mountain - Denver | Wed, Jun 17 | Delta Air Lines
        DEN 11:10
        4h 25m
        1 stop
        IMT 16:35
        Denver - Iron Mountain | Wed, Jun 24 | Delta Air Lines
        US$514 US$1,073
        52% off
        52% off
        US$1,073 US$514
      • IMT 11:10
        5h 28m
        1 stop
        DEN 15:38
        Iron Mountain - Denver | Sat, Jun 20 | Delta Air Lines
        DEN 09:19
        6h 16m
        1 stop
        IMT 16:35
        Denver - Iron Mountain | Fri, Jun 26 | Delta Air Lines
        US$546 US$1,073
        49% off
        49% off
        US$1,073 US$546
      • IMT 17:10
        6h 43m
        1 stop
        DEN 22:53
        Iron Mountain - Denver | Fri, Jun 19 | Delta Air Lines
        DEN 09:19
        6h 16m
        1 stop
        IMT 16:35
        Denver - Iron Mountain | Thu, Jun 25 | Delta Air Lines
        US$623 US$1,073
        42% off
        42% off
        US$1,073 US$623
      • IMT 11:10
        21h 53m
        1 stop
        DEN 08:03
        Iron Mountain - Denver | Sat, Jun 13 | Delta Air Lines
        DEN 06:00
        9h 35m
        1 stop
        IMT 16:35
        Denver - Iron Mountain | Fri, Jun 19 | Delta Air Lines
        US$633
        41% off
        US$1,073 US$633
      • IMT 11:10
        9h 52m
        1 stop
        DEN 20:02
        Iron Mountain - Denver | Mon, Jun 22 | Delta Air Lines
        DEN 06:00
        9h 35m
        1 stop
        IMT 16:35
        Denver - Iron Mountain | Mon, Jun 29 | Delta Air Lines
        US$665
        38% off
        US$1,073 US$665
      • IMT 11:10
        9h 52m
        1 stop
        DEN 20:02
        Iron Mountain - Denver | Mon, Jun 29 | Delta Air Lines
        DEN 06:00
        9h 35m
        1 stop
        IMT 16:35
        Denver - Iron Mountain | Sun, Jul 5 | Delta Air Lines
        US$680
        37% off
        US$1,073 US$680
      • IMT 11:10
        9h 52m
        1 stop
        DEN 20:02
        Iron Mountain - Denver | Tue, Jun 23 | Delta Air Lines
        DEN 11:10
        4h 25m
        1 stop
        IMT 16:35
        Denver - Iron Mountain | Mon, Jun 29 | Delta Air Lines
        US$740
        31% off
        US$1,073 US$740
      • IMT 11:10
        9h 52m
        1 stop
        DEN 20:02
        Iron Mountain - Denver | Thu, Jun 25 | Delta Air Lines
        DEN 09:19
        6h 16m
        1 stop
        IMT 16:35
        Denver - Iron Mountain | Wed, Jul 1 | Delta Air Lines
        US$912
        15% off
        US$1,073 US$912
      • IMT 13:00
        17h 25m
        1 stop
        DEN 14:00
        Iron Mountain - Denver | Sun, Jun 14 | Normal Airline
        DEN 15:00
        6h
        Nonstop
        IMT 16:00
        Denver - Iron Mountain | Tue, Jun 16 | Normal Airline
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      • IMT 17:12
        17h 7m
        1 stop
        DEN 09:19
        Iron Mountain - Denver | Thu, Jul 9 | Delta Air Lines
        US$297 US$582
        49% off
        49% off
        US$582 US$297
      • IMT 17:12
        6h 32m
        1 stop
        DEN 22:44
        Iron Mountain - Denver | Fri, Jul 10 | Delta Air Lines
        US$358 US$582
        38% off
        38% off
        US$582 US$358
      • IMT 17:12
        6h 32m
        1 stop
        DEN 22:44
        Iron Mountain - Denver | Wed, Jul 8 | Delta Air Lines
        US$399 US$582
        31% off
        31% off
        US$582 US$399
      • IMT 11:10
        5h 20m
        1 stop
        DEN 15:30
        Iron Mountain - Denver | Sat, Jul 11 | Delta Air Lines
        US$399
        31% off
        US$582 US$399
      • IMT 11:10
        5h 28m
        1 stop
        DEN 15:38
        Iron Mountain - Denver | Mon, Jul 6 | Delta Air Lines
        US$494
        15% off
        US$582 US$494
      • IMT 13:00
        17h 25m
        1 stop
        DEN 14:00
        Iron Mountain - Denver | Sun, Jun 14 | Normal Airline
        Find more flights
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Displayed flight fares from Iron Mountain to Denver are based on average prices across airlines for the next 3 months, according to the latest Trip.com database.

Iron Mountain to Denver Flight Details

The distance between Iron Mountain and Denver is about 1,499.08 km. Based on Trip.com's latest data, travel demand is highest in September. The off-season for travel is October.

Cheapest one-way flight priceUS$297
Cheapest return ticket priceUS$514
Cheapest monthOctober
Peak season for travelSeptember
Flight distance1,499.08 km
Flight statistics for the Iron Mountain–Denver route are based on aggregated booking data from Trip.com over the past 12 months.

Frequently Asked Questions

  • What are the cheapest flights from Iron Mountain to Denver (IMT-DEN)?

    Based on Trip.com data, Delta Air Lines offers one-way fares as low as US$297 on Cheapest nonstop routes (e.g. IMT to DEN on Thu, Jul 9), while Delta Air Lines offers Cheapest nonstop round-trips from US$514 departing on Wed, Jun 17 and returning on Wed, Jun 24.
  • By analyzing data from all airlines on the Trip.com flight calendar, it looks like the best time to book a flight from Iron Mountain to Denver is around 40 days (6 weeks) in advance, and the best time to fly is usually on Tuesday, Wednesday, and Saturday. Tuesday typically offers the cheapest flights for departure, while Saturday offers the best return deals.
  • To find best deals on flights from Iron Mountain to Denver, you can use various tools on Trip.com:
    · Be flexible with your travel dates to get the cheapest flight deal. Now the cheapest flight deal is on Thu, Jul 9, with one-way flights priced at just US$297.
    · Compare airlines strategically. Budget carriers often provide the lowest base fares, while we found the most affordable airline currently operating on this route is Delta Air Lines.
    · Set up price alerts to easily monitor ticket prices without having to check every day.
    · Check Trip.com flight deals and promo codes frequently.
    · Avoid peak season unless you book very early. It seems the peak season for Denver travel is around September.
    · Get exclusive promo codes for Trip.com app users.
  • The cheapest months to fly from Iron Mountain to Denver is October, when demand for travel is lower.
  • After crunching the numbers on our June flight calendar, it's currently cheapest to fly from Iron Mountain to Denver on June 17, 2026 with Delta Air Lines, with prices starting at US$514.
  • The time difference between Denver and Iron Mountain is 1h.
  • Tickets can only be changed or canceled if permitted by airline policy. To submit a change or cancellation request, go to the flight bookings page, select the option to change or cancel your booking, choose the relevant passengers and segment, and submit a request. Please note that additional charges may apply according to the airline ticket policy. However, if the flight has been rescheduled and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For more details about change and cancellation policies, please check the customer support pages.

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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.