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Flights from Cheyenne to Helena

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

      • CYS 6:00 AM
        15h 31m
        1 stop
        HLN 9:31 PM
        Cheyenne - Helena | Tue, Dec 23 | United Airlines
        HLN 6:10 AM
        15h 49m
        1 stop
        CYS 9:59 PM
        Helena - Cheyenne | Sat, Dec 27 | United Airlines
        €628 €757
        17% OFF
        17% OFF
        €757 €628
      • CYS 1:45 PM
        24h
        1 stop
        HLN 1:45 PM
        Cheyenne - Helena | Sun, Dec 21 | United Airlines
        HLN 2:26 PM
        7h 33m
        1 stop
        CYS 9:59 PM
        Helena - Cheyenne | Thu, Dec 25 | United Airlines
        €681 €757
        10% OFF
        10% OFF
        €757 €681
      • CYS 1:00 PM
        17h 25m
        1 stop
        HLN Invalid Date
        Cheyenne - Helena | Sat, Dec 13 | Normal Airline
        HLN 3:00 PM
        6h
        Nonstop
        CYS 4:00 PM
        Helena - Cheyenne | Mon, Dec 15 | Normal Airline
        Find More Flights
        Find More Flights
      • CYS 1:00 PM
        17h 25m
        1 stop
        HLN Invalid Date
        Cheyenne - Helena | Sat, Dec 13 | Normal Airline
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      • CYS 1:00 PM
        17h 25m
        1 stop
        HLN Invalid Date
        Cheyenne - Helena | Sat, Dec 13 | Normal Airline
        Search
        Search
      • CYS 1:00 PM
        17h 25m
        1 stop
        HLN Invalid Date
        Cheyenne - Helena | Sat, Dec 13 | Normal Airline
        Search
        Search
      • CYS 1:00 PM
        17h 25m
        1 stop
        HLN Invalid Date
        Cheyenne - Helena | Sat, Dec 13 | Normal Airline
        Search
        Search
      • CYS 1:00 PM
        17h 25m
        1 stop
        HLN Invalid Date
        Cheyenne - Helena | Sat, Dec 13 | Normal Airline
        Search
        Search
      • CYS 1:00 PM
        17h 25m
        1 stop
        HLN Invalid Date
        Cheyenne - Helena | Sat, Dec 13 | Normal Airline
        Search
        Search
      • CYS 1:00 PM
        17h 25m
        1 stop
        HLN Invalid Date
        Cheyenne - Helena | Sat, Dec 13 | Normal Airline
        Search
        Search
      • CYS 1:00 PM
        17h 25m
        1 stop
        HLN Invalid Date
        Cheyenne - Helena | Sat, Dec 13 | Normal Airline
        Search
        Search
      • CYS 1:00 PM
        17h 25m
        1 stop
        HLN Invalid Date
        Cheyenne - Helena | Sat, Dec 13 | Normal Airline
        Search
        Search

Displayed flight fares from Cheyenne to Helena are based on average prices across airlines for the next 3 months, according to the latest Trip.com database.

Flight Info | Cheyenne to Helena

The distance between Cheyenne and Helena is approximately 835.74 km. Based on Trip.com's data travel demand peaks in August. The off-season for travel is September.

Cheapest round-trip ticket price€628
Off-season for travelSeptember
Peak season for travelAugust
Flight distance835.74 km

When is the cheapest time to fly from Cheyenne to Helena?

The cheapest time for Cheyenne to Helena flights: Dec 21 to Dec 28 — one way flight prices from €627.

Cheapest flights
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  • 714
  • 1421
  • 2128

  • Jan

    284
  • 411
  • 1118
  • 1825

  • Feb

    251
  • 18
  • 815
  • 1522

  • Mar

    221
Displayed fare trends are based on Trip.com's aggregated average of the lowest flight prices from Cheyenne to Helena, calculated over the upcoming 10 weeks.

Frequently Asked Questions

  • When is the best time to book flights from Cheyenne to Helena?

    By analyzing data from all airlines on the Trip.com flight calendar, it looks like the best time to book a flight from Cheyenne to Helena 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 Cheyenne to Helena, you can use various tools on Trip.com:
    · 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 Helena travel is around August.
    · Get exclusive promo codes for Trip.com app users.
  • The cheapest months to fly from Cheyenne to Helena is September, when demand for travel is lower.
  • After crunching the numbers on our December flight calendar, it's currently cheapest to fly from Cheyenne to Helena on December 23, 2025 with United Airlines, with prices starting at €627.
  • The time difference between Helena and Cheyenne is 0h.
  • 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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