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DEN to HLN

Denver to Helena Flights

Compare fares, departure times, stops and baggage details for this route, then open the full search when you are ready to check current availability and complete booking.

Fare checked before payment All fees shown upfront Transparent cancellation policy 24×7 booking support
Lowest fare₹26,705Delta Air Lines
Fastest2h 9mgate to gate
Options found31flights on this route
Find your flight DEN HLN

Available Flights & Fares

Compare fares, timings and baggage. Pick the flight that suits your trip.

Prices in INR
31 flight options

Fares are checked again before payment.

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Delta Air Lines
Delta Air Lines
DL-1220
18:37
2026-10-30
Denver (DEN)Denver International
17H :51 M
2 Stops
MSP · 10h 07m Minneapolis (MSP), United States
SLC · 1h 08m Salt Lake City (SLC), United States
12:28
2026-10-31
Helena (HLN)Helena
Non Refundable 9 Seat Left Economy
Check-in: 0 PiecesCabin: 1 Pieces
Delta Air Lines
Delta Air Lines
DL-1220
18:37
2026-10-30
Denver (DEN)Denver International
27H :52 M
2 Stops
MSP · 20h 29m Minneapolis (MSP), United States
SLC · 0h 56m Salt Lake City (SLC), United States
22:29
2026-10-31
Helena (HLN)Helena
Non Refundable 9 Seat Left Economy
Check-in: 0 PiecesCabin: 1 Pieces
Delta Air Lines
Delta Air Lines
DL-2544
05:25
2026-10-30
Denver (DEN)Denver International
7H :03 M
1 Stop
SLC · 3h 49m Salt Lake City (SLC), United States
12:28
2026-10-30
Helena (HLN)Helena
Non Refundable 9 Seat Left Economy
Check-in: 0 PiecesCabin: 1 Pieces
Delta Air Lines
Delta Air Lines
DL-1632
08:20
2026-10-30
Denver (DEN)Denver International
4H :08 M
1 Stop
SLC · 0h 45m Salt Lake City (SLC), United States
12:28
2026-10-30
Helena (HLN)Helena
Non Refundable 9 Seat Left Economy
Check-in: 0 PiecesCabin: 1 Pieces
Delta Air Lines
Delta Air Lines
DL-1623
18:00
2026-10-30
Denver (DEN)Denver International
4H :24 M
1 Stop
SLC · 1h 17m Salt Lake City (SLC), United States
22:24
2026-10-30
Helena (HLN)Helena
Non Refundable 9 Seat Left Economy
Check-in: 0 PiecesCabin: 1 Pieces
Delta Air Lines
Delta Air Lines
DL-3669
20:21
2026-10-30
Denver (DEN)Denver International
16H :07 M
2 Stops
AUS · 8h 38m Austin (AUS), United States
SLC · 0h 35m Salt Lake City (SLC), United States
12:28
2026-10-31
Helena (HLN)Helena
Non Refundable 9 Seat Left Economy
Check-in: 0 PiecesCabin: 1 Pieces
Delta Air Lines
Delta Air Lines
DL-3669
20:21
2026-10-30
Denver (DEN)Denver International
26H :08 M
2 Stops
AUS · 18h 28m Austin (AUS), United States
SLC · 0h 50m Salt Lake City (SLC), United States
22:29
2026-10-31
Helena (HLN)Helena
Non Refundable 9 Seat Left Economy
Check-in: 0 PiecesCabin: 1 Pieces
Delta Air Lines
Delta Air Lines
DL-1648
16:15
2026-10-30
Denver (DEN)Denver International
20H :13 M
2 Stops
DTW · 11h 15m Detroit (DTW), United States
SLC · 0h 36m Salt Lake City (SLC), United States
12:28
2026-10-31
Helena (HLN)Helena
Non Refundable 9 Seat Left Economy
Check-in: 0 PiecesCabin: 1 Pieces
Delta Air Lines
Delta Air Lines
DL-706
12:59
2026-10-30
Denver (DEN)Denver International
23H :29 M
2 Stops
ATL · 14h 17m Atlanta (ATL), United States
SLC · 0h 37m Salt Lake City (SLC), United States
12:28
2026-10-31
Helena (HLN)Helena
Non Refundable 9 Seat Left Economy
Check-in: 0 PiecesCabin: 1 Pieces
Delta Air Lines
Delta Air Lines
DL-840
17:00
2026-10-30
Denver (DEN)Denver International
19H :28 M
2 Stops
ATL · 10h 11m Atlanta (ATL), United States
SLC · 0h 37m Salt Lake City (SLC), United States
12:28
2026-10-31
Helena (HLN)Helena
Non Refundable 9 Seat Left Economy
Check-in: 0 PiecesCabin: 1 Pieces
United Airlines
United Airlines
UA-5388
11:31
2026-10-30
Denver (DEN)Denver International
2H :09 M
Non Stop
13:40
2026-10-30
Helena (HLN)Helena
Non Refundable 9 Seat Left Economy
Check-in: 0 PiecesCabin: 1 Pieces
United Airlines
United Airlines
UA-4705
19:20
2026-10-30
Denver (DEN)Denver International
2H :11 M
Non Stop
21:31
2026-10-30
Helena (HLN)Helena
Non Refundable 9 Seat Left Economy
Check-in: 0 PiecesCabin: 1 Pieces
Delta Air Lines
Delta Air Lines
DL-957
14:36
2026-10-30
Denver (DEN)Denver International
21H :52 M
2 Stops
ATL · 12h 35m Atlanta (ATL), United States
SLC · 0h 37m Salt Lake City (SLC), United States
12:28
2026-10-31
Helena (HLN)Helena
Non Refundable 9 Seat Left Economy
Check-in: 0 PiecesCabin: 1 Pieces
Delta Air Lines
Delta Air Lines
DL-2002
07:05
2026-10-30
Denver (DEN)Denver International
15H :19 M
2 Stops
LAX · 8h 27m Los Angeles (LAX), United States
SLC · 0h 56m Salt Lake City (SLC), United States
22:24
2026-10-30
Helena (HLN)Helena
Non Refundable 9 Seat Left Economy
Check-in: 0 PiecesCabin: 1 Pieces
Delta Air Lines
Delta Air Lines
DL-2002
07:05
2026-10-30
Denver (DEN)Denver International
29H :23 M
2 Stops
LAX · 20h 52m Los Angeles (LAX), United States
SLC · 2h 22m Salt Lake City (SLC), United States
12:28
2026-10-31
Helena (HLN)Helena
Non Refundable 9 Seat Left Economy
Check-in: 0 PiecesCabin: 1 Pieces
Delta Air Lines
Delta Air Lines
DL-2148
12:22
2026-10-30
Denver (DEN)Denver International
24H :06 M
2 Stops
LAX · 15h 40m Los Angeles (LAX), United States
SLC · 2h 22m Salt Lake City (SLC), United States
12:28
2026-10-31
Helena (HLN)Helena
Non Refundable 9 Seat Left Economy
Check-in: 0 PiecesCabin: 1 Pieces
Delta Air Lines
Delta Air Lines
DL-2176
19:25
2026-10-30
Denver (DEN)Denver International
17H :03 M
2 Stops
LAX · 8h 35m Los Angeles (LAX), United States
SLC · 2h 22m Salt Lake City (SLC), United States
12:28
2026-10-31
Helena (HLN)Helena
Non Refundable 9 Seat Left Economy
Check-in: 0 PiecesCabin: 1 Pieces
Delta Air Lines
Delta Air Lines
DL-2176
19:25
2026-10-30
Denver (DEN)Denver International
27H :04 M
2 Stops
LAX · 20h 10m Los Angeles (LAX), United States
SLC · 1h 01m Salt Lake City (SLC), United States
22:29
2026-10-31
Helena (HLN)Helena
Non Refundable 9 Seat Left Economy
Check-in: 0 PiecesCabin: 1 Pieces
Delta Air Lines
Delta Air Lines
DL-1113
10:30
2026-10-30
Denver (DEN)Denver International
25H :58 M
2 Stops
DTW · 16h 59m Detroit (DTW), United States
SLC · 0h 36m Salt Lake City (SLC), United States
12:28
2026-10-31
Helena (HLN)Helena
Non Refundable 9 Seat Left Economy
Check-in: 0 PiecesCabin: 1 Pieces
Delta Air Lines
Delta Air Lines
DL-346
10:41
2026-10-30
Denver (DEN)Denver International
25H :47 M
2 Stops
ATL · 16h 32m Atlanta (ATL), United States
SLC · 0h 37m Salt Lake City (SLC), United States
12:28
2026-10-31
Helena (HLN)Helena
Non Refundable 9 Seat Left Economy
Check-in: 0 PiecesCabin: 1 Pieces
Alaska Airlines
Alaska Airlines
AS-615
17:57
2026-10-30
Denver (DEN)Denver International
22H :47 M
1 Stop
SEA · 18h 11m Seattle (SEA), United States
16:44
2026-10-31
Helena (HLN)Helena
Non Refundable 7 Seat Left Economy
Check-in: 0 PiecesCabin: 2 Pieces
Delta Air Lines
Delta Air Lines
DL-1745
06:20
2026-10-30
Denver (DEN)Denver International
16H :04 M
2 Stops
DTW · 6h 38m Detroit (DTW), United States
SLC · 1h 18m Salt Lake City (SLC), United States
22:24
2026-10-30
Helena (HLN)Helena
Non Refundable 9 Seat Left Economy
Check-in: 0 PiecesCabin: 1 Pieces

Recommended hotels in Helena

Stay options near the arrival city for the same travel date.

Search hotels
Alaska Airlines
Alaska Airlines
AS-567
15:30
2026-10-30
Denver (DEN)Denver International
25H :14 M
1 Stop
SEA · 20h 40m Seattle (SEA), United States
16:44
2026-10-31
Helena (HLN)Helena
Non Refundable 7 Seat Left Economy
Check-in: 0 PiecesCabin: 2 Pieces
Alaska Airlines
Alaska Airlines
AS-1342
12:31
2026-10-30
Denver (DEN)Denver International
28H :13 M
2 Stops
SAN · 3h 19m San Diego (SAN), United States
SEA · 17h 43m Seattle (SEA), United States
16:44
2026-10-31
Helena (HLN)Helena
Non Refundable 7 Seat Left Economy
Check-in: 0 PiecesCabin: 2 Pieces
Alaska Airlines
Alaska Airlines
AS-317
07:07
2026-10-30
Denver (DEN)Denver International
9H :42 M
1 Stop
SEA · 5h 04m Seattle (SEA), United States
16:49
2026-10-30
Helena (HLN)Helena
Non Refundable 7 Seat Left Economy
Check-in: 0 PiecesCabin: 2 Pieces
Alaska Airlines
Alaska Airlines
AS-1316
07:53
2026-10-30
Denver (DEN)Denver International
32H :51 M
2 Stops
PDX · 23h 49m Portland (PDX), United States
SEA · 3h 30m Seattle (SEA), United States
16:44
2026-10-31
Helena (HLN)Helena
Non Refundable 7 Seat Left Economy
Check-in: 0 PiecesCabin: 2 Pieces
No flights match the selected filters. Clear filters or open full search.

Airfare Highlights

From flights departing on Fri, 30 Oct 2026.

Lowest fare ₹26,705 Delta Air Lines 18:37
Earliest departure ₹27,392 Delta Air Lines 05:25
Shortest duration ₹31,465 United Airlines 11:31
Night 00:00-05:59 ₹27,392 Delta Air Lines at 05:25
Morning 06:00-11:59 ₹27,392 Delta Air Lines at 08:20
Afternoon 12:00-17:59 ₹29,596 Delta Air Lines at 16:15
Evening 18:00-23:59 ₹26,705 Delta Air Lines at 18:37

Departure & Arrival Airport Details

Denver (DEN)

Denver International

United States

GMT -7

Latitude: 39.861698150635

Longitude: -104.672996521

Helena (HLN)

Helena

United States

GMT -7

Latitude: 46.6068000793457

Longitude: -111.98300170898438

Distance: Denver (DEN), United States to Helena (HLN), United States - 954.74 km
Flights shown for 30 Oct 2026. View all flights opens the complete search result.
Route forecast

Weather in Denver and Helena

Live forecast for both cities, 12 Oct to 15 Oct.

Departure city

Denver

Thu, 15 Oct
18°CClear skyLow 6°
76% humidity 8 km/h wind
  • Mon28° / 19°
  • Tue28° / 13°
  • Wed13° / 11°
Arrival city

Helena

Thu, 15 Oct
4°CCloudyLow 1°
93% humidity 5 km/h wind 3 mm rain
  • Mon1° / 0°
  • Tue0° / -1°
  • Wed1° / 0°

Forecast data from MET Norway, CC BY 4.0.

Smart travel dates

Holidays and peak dates for Helena

Fares and hotel rates usually run higher around these dates. Booking earlier or moving your trip by a day or two often costs less.

Busiest periods: Summer travel (15 Jun – 31 Aug), Holiday season (18 Dec – 02 Jan).

  • 12OctColumbus DayMonday
  • 12OctColumbus DayMonday
  • 12OctIndigenous Peoples' DayMonday
  • 11NovVeterans DayWednesday
  • 26NovThanksgiving DayThursday
  • 25DecChristmas DayFriday

Fixed-date national holidays. Festivals that follow the lunar calendar shift each year and are not listed here, so check the exact date for your travel year.

Compare your journey

How to travel Denver to Helena

Ways to make this trip that you can book on FlyX, compared by price and journey time.

OptionFromJourney timeAvailabilityAction
Non-stop flight Fastest₹31,4652h 9m2 flights
Connecting flight₹26,705Longer, includes a stop29 options

Air distance is about 955 km. 3 airlines operate this route.

Road distance and coach duration are approximate estimates from the air distance, not a timetable.

Airlines flying from Denver to Helena

Compare fares, stops, baggage and refundability across the airlines flying this route.

Delta Air Lines Flights

from ₹26,70519 flights
Fares from
₹26,705
Non-stop
None in these results
Departures
19 in the list above

Alaska Airlines Flights

from ₹46,2458 flights
Fares from
₹46,245
Non-stop
None in these results
Departures
8 in the list above

United Airlines Flights

from ₹31,4654 flights
Fares from
₹31,465
Non-stop
2 in these results
Departures
4 in the list above

Route Overview & Flight Facts

Fastest flight duration2h 9m · United Airlines
First departure of the day05:25 · Delta Air Lines
Last departure of the day20:21 · Delta Air Lines
Flight options found31
Direct / non-stop options2
Airport codesDenver–DEN, Helena–HLN

Fares and timings are indicative. The exact price is confirmed with the airline when you search.

Flight Schedule, Timings & Airfare Insights

Daily Flight Schedule & Travel Duration

The search for Fri, 30 Oct found 31 flight options, 2 of them non-stop. The first flight leaves around 05:25 and the last around 20:21. The fastest flight takes about 2h 9m.

Morning vs Evening Departure Fares

Lowest fare by departure window: Evening from ₹26,705, Night from ₹27,392, Morning from ₹27,392, Afternoon from ₹29,596. These observations do not predict the cheapest departure window on other dates.

Cheapest Airfare & Best Time to Book

Search your travel dates to compare current fares. Prices change with airline seat availability.

One-Way vs Round-Trip Fare Comparison

Compare the complete cost and conditions of both options for your dates. A round-trip can have different fare and change rules from two one-way tickets. One booking may contain multiple airline PNRs; confirm baggage transfer and connection protection for separate tickets.

Online Web Check-In & Boarding Pass

Check the operating airline’s opening time and check-in deadline for each sector. Seat charges and availability depend on your fare. Use the airline reference and the links on Web Check-in.

How to Book Cheap Flights on FlyX

  1. 1
    Enter your travel details

    Choose one-way or round-trip, pick your dates and travellers in the search form above.

  2. 2
    Compare search results

    Sort or filter the Denver–Helena results by price, departure time, stops and airline.

  3. 3
    Open the fare choices

    Check baggage allowance and refundability for each fare type before continuing.

  4. 4
    Review the final price

    Review the refreshed supplier fare, coupon saving and selected payment-method fee before you pay.

  5. 5
    Pay securely

    UPI, cards, net banking and wallets supported; payment and ticket issuance have separate statuses. If issuance is pending, follow the booking status; the confirmed ticket is sent after issuance.

Why Book Your Flight with FlyX?

Compare the available Denver to Helena options by total price, stops, baggage and fare conditions. Search your dates for current availability, then review traveller details and the final price before paying.

Payment confirmation and ticket issuance are separate steps. If your booking is awaiting a PNR or ticket, follow its status and contact FlyX support when you need help. Your issued ticket contains the airline reference and itinerary. Change and cancellation charges depend on the purchased fare and any separately disclosed service fee.

Fare checked before paymentCoupon eligibility checkedBooking status trackingBooking support

Exclusive Flight Offers & Promo Coupons

Coupon codeOfferMax saving
FLYX20Up to 20% Off on Flights₹1,500

Check coupon eligibility and the final discount on the review page before you pay. View full terms.

Frequently Asked Questions

Is it worth booking Denver to Helena flights in advance?

There is no guaranteed cheapest booking window. Compare your planned dates early, check nearby dates and consider baggage, connection time and change conditions as well as price. On the Denver to Helena dates shown on this page, the lowest fare is on a Friday at ₹26,705. This can change from week to week.

How far is Denver from Helena by air?

The direct air distance between Denver (DEN) and Helena (HLN) is about 955 km. Actual flight time varies with the routing the airline files and with winds on the day.

Are there non-stop flights from DEN to HLN?

Yes. 2 non-stop flights are listed on this page for Denver to Helena. Use the Stops filter to see only those.

Which airlines fly Denver to Helena?

Delta Air Lines, Alaska Airlines and United Airlines are listed on this route for the dates shown here. Fares, baggage allowance and refund rules differ by airline and by fare type, so compare the fare conditions and not only the headline price.

How long is the flight from Denver to Helena?

The quickest non-stop Denver to Helena flight on this page takes about 2h 9m. Non-stop flights here take between 2h 9m and 2h 11m. Journeys with a stop take longer, since the total includes the layover.

What is the cheapest Denver to Helena flight fare?

The lowest Denver to Helena fare on this page is ₹26,705. Fares on the same dates run up to ₹71,059, depending on airline, timing and fare type. Airline prices change often, so search your dates for the current fare.

What time do Denver to Helena flights depart?

On the dates shown here, the first departure is around 05:25 and the last around 20:21, local time at Denver. Use the departure-time filter on the results above to narrow to a morning, afternoon or evening slot.

Why does the price change after clicking Book Now?

Airline seat inventory and fares change continuously. Selecting Book Now runs a live fare verification with the airline so the price you approve is the price you pay. If it has moved, you see the new figure before any payment.

Before you book this route

Check the airport codes DEN–HLN, local departure and arrival dates, and every connecting airport. Connections can have different document and baggage requirements from your final destination.

Where these fares come from

The fares, durations, stops and baggage shown here come from real airline search results for this route. They are examples for the dates on this page, not a full timetable and not a locked price. Run a search to see what is available for your own dates.

Fares shown are for departures on .

Check official travel requirements

Confirm passport, visa and transit rules for your nationality and full itinerary with the relevant government and operating airline. IATA travel-document information explains why requirements vary.

For payment, ticket issuance or a change request, see FlyX support. About FlyX.

United States travel guide for Indian travellers

Planning more than the flight? Our United States guide covers the visa process for Indian passport holders, best time to go, how long to plan for, and which places are worth the days you have. Long-haul city breaks and national parks.

Read the United States travel guide

What to Expect When Booking Your Flight

The DEN to HLN cards above show selected flight options. Airline prices and seat availability can move quickly, so the final fare is rechecked in the booking flow.

Approx route distance: 954.74 km.

Before you book

Compare nearby dates

The date strip opens the complete search result for the route and selected date.

Use filters

Shortlist by price, stops, departure time and refundable fare preference.

Check fare choices

Continue to Booking opens the verified fare choices, including baggage and refundability, before review.

Lowest Denver to Helena airfare, in 30 days and in 90 days

Cheapest FareFareDateAirlineDeparture
Lowest Airfare ₹26,705 30/10/2026 Delta Air Lines 18:37
Cheapest Airfare Within 30 Days ₹26,171 07/11/2026 Delta Air Lines 18:37
Cheapest Airfare Within 90 Days ₹25,370 06/01/2027 Delta Air Lines 18:37

Book Denver to Helena Flight Tickets on FlyX

FlyX lists each Denver to Helena flight in these results with its fare, departure time, stops, layover airport and baggage, so you can compare air tickets side by side. To find a cheap ticket, sort by price and check what baggage the fare includes. The fare is checked with the airline again before you pay.

Denver to Helena Flight Distance, Duration and Time

The aerial distance between Denver and Helena is about 955 KM. In these results, journey times range from 2h 9m to 45h 5m. Flights with a layover take longer because the total includes the connection time.

Denver to Helena Flight Schedule and Timing

The search for these dates returned 31 flight options, 2 of them non-stop. The first departure from Denver is at 05:25 and the last is at 20:21. Flights leave from Denver International and land at Helena.

Flight Route Details & Analysis

Flight DetailsInformation
RouteDenver to Helena
Aerial Distance955 KM
Flight Duration2h 9m - 45h 5m
Airport CodesDenver - DEN, Helena - HLN
Total Flights Available31 flights2 direct29 with layovers
First Flight DepartureDeparts at 05:25
Last Flight DepartureDeparts at 20:21
Early Morning Flights (12 AM - 8 AM)6 flights0 direct6 with layovers
Morning Flights (8 AM - 12 PM)6 flights1 direct5 with layovers
Afternoon Flights (12 PM - 4 PM)6 flights0 direct6 with layovers
Evening Flights (4 PM - 8 PM)11 flights1 direct10 with layovers
Night Flights (8 PM - 12 AM)2 flights0 direct2 with layovers

Airport Information & Terminals

DEN: Denver airport. Denver airport transfer should be matched to the exact hotel, suburb or meeting area. Rail can work well for light luggage, but late arrivals, winter weather and family baggage often make a direct cab or booked transfer easier.

HLN: Helena airport. Helena airport transfer should be matched to the exact hotel, suburb or meeting area. Rail can work well for light luggage, but late arrivals, winter weather and family baggage often make a direct cab or booked transfer easier.

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