$212 Cheap Flights from Phoenix (PHX) to Helena (HLN)
Popular airlines from Phoenix Sky Harbor Intl. Airport (PHX) to Helena, MT (HLN-Helena Regional)
Alaska AirlinesAlaska Airlines
DeltaDelta
UnitedUnited
Be in the knowGet alerts if flight prices drop or rise*
Book smarterSave up to 30% on select hotels after you book a flight*
Cheap Flights from Phoenix to Helena (PHX-HLN)
Find the cheapest month to fly from Phoenix (PHX) to Helena (HLN)
February is typically the cheapest month to flyFebruary is typically the cheapest month to fly
Book with confidence
Phoenix (PHX) to Helena (HLN) at a glance
Travel between Phoenix (PHX) and Helena (HLN) with a range of airlines on this domestic short-haul route. Discover options for cheap flights from Phoenix to Helena, allowing you to choose an itinerary that aligns with your budget and schedule. As you plan your visit to explore the attractions and neighborhoods of Helena, you'll find essential details for flights from Sky Harbor International Airport to Helena Regional Airport.
- Fastest flight duration: around 3h 45m in-flight, plus roughly 1h 30m layover with one stop
- Route distance: roughly 900 miles (1,450 km)
- Flights per week: around 8 departures on average
- Typical fares (one-way): economy tickets often range from $140–$510, depending on seasonality and how far ahead you book
Flights from Sky Harbor International Airport (PHX) to Helena Regional Airport (HLN)
Based on the latest traveler bookings, here are the top airlines favored for flights from Phoenix to Helena, particularly for those looking for one-stop options. Common layovers include Salt Lake City International Airport (SLC) with about a 2-hour stop, Denver International Airport (DEN) with a layover of approximately 1 hour and 15 minutes, and Seattle-Tacoma International Airport (SEA) with a brief 50-minute pause. These choices allow you to mix and match price, total travel time, and cabin class to create the ideal itinerary.
- Delta: As a comprehensive carrier providing one-stop services, Delta offers one-way fares generally ranging from $140 to $575. This airline is responsible for about 47% of departures on this route, with a flight duration of 3 hours and 45 minutes, leading to a total travel time of approximately 5 hours and 30 minutes, including layovers.
- United: United is another full-service airline that provides one-stop travel options, with one-way ticket prices typically between $165 and $435. It accounts for around 40% of the flights on this route, featuring an in-flight duration of 3 hours and 45 minutes and an overall journey time of about 5 hours and 30 minutes, factoring in layovers.
- Alaska Airlines: Offering one-stop services, Alaska Airlines is a full-service carrier with one-way fares usually falling between $150 and $435. This airline makes up roughly 12% of departures for this route, with a flight time of 3 hours and 45 minutes and a total travel duration of about 5 hours and 30 minutes, including layovers.
Best time to fly from Phoenix (PHX) to Helena (HLN)
The most popular months for travelers flying from Phoenix to Helena are February, March, and June, when peak temperatures in Helena reach up to 58.8°F in June. If you prefer quieter travel, consider November, the least busy and relatively cheaper time to visit with fewer crowds and temperatures around 28.8°F. For better deals, February usually offers the lowest average one-way fare around $225. Flight availability peaks in September, with approximately 10 flights per week, making it easier to find convenient departure times.
- Cheapest time to fly: February usually offers good deals with average one-way fare around $225, roughly 17% cheaper than the yearly average.
- More budget-friendly months to fly: November, October, and May typically offer average one-way fares roughly ranging from $228 to $240.
- Most flight options: September has the highest number of flights from Phoenix to Helena, with approximately 10 flights per week, giving you more flexibility in scheduling your trip.
| Month | Temperature | Demand | Weekly Flights | Average one-way Fare |
| January | 20.8°F (-6.2°C) | Average | 8 | $305 |
| February | 20.8°F (-6.2°C) | High | 9 | $225 |
| March | 31.1°F (-0.5°C) | High | 9 | $256 |
| April | 38.3°F (3.5°C) | Average | 9 | $290 |
| May | 49.5°F (9.7°C) | Low | 8 | $240 |
| June | 58.8°F (14.9°C) | High | 9 | $260 |
| July | 68.2°F (20.1°C) | Low | 8 | $319 |
| August | 66.9°F (19.4°C) | Average | 8 | $353 |
| September | 57.7°F (14.3°C) | Average | 10 | $308 |
| October | 42.1°F (5.6°C) | Average | 7 | $234 |
| November | 28.8°F (-1.8°C) | Low | 7 | $228 |
| December | 19.9°F (-6.7°C) | Average | 8 | $245 |
*Average one-way fare is based on Expedia flight booking data from January 2025 to April 2026 for the specified route and travel class and may change depending on availability, dates, and demand.
Alternative route from Phoenix (PHX) to Helena (HLN)
- Phoenix to Bozeman (PHX-BZN): Bozeman Yellowstone International Airport (BZN) lies approximately 70 miles from Helena Regional Airport (HLN). One-way economy ticket prices for this route generally vary from $105 to $340, influenced by the season and how in advance you book. Travelers can choose from both non-stop and one-stop flights, with common layovers at Salt Lake City International Airport (SLC) and Denver International Airport (DEN). Major airlines servicing this route include Delta and the budget-friendly Southwest Airlines. First class service is also offered for this journey.
How to find the best prices for flights from Phoenix (PHX) to Helena (HLN)
Getting some of the best deals on flights from Phoenix to Helena is all about timing and flexibility. Here are some key tips to help you save:
- Best times to book and fly: cheaper fares are usually found when booking 2-8 weeks in advance, which coincides with when most travelers make their reservations. Departures in the morning (from 5 am to 12 pm) tend to be less expensive and are also the most popular times to fly. Additionally, flying on Saturday generally offers lower prices, although Sunday remains the most favored travel day.
- Set up price alerts: stay updated on price changes by using Expedia's Price Tracker. Receive alerts when fares drop for your selected route.
- Bundle and save: bundle your flight and hotel to save on Expedia, or unlock a hotel deal after booking your flight.* Find Helena hotel and flight deals.
- Compare flight options: use Expedia's search tool to compare airlines, routes, direct vs. non-direct flights, and flight times. You can also sort by price to find the most affordable options.
- Stay flexible with dates: being open to different travel days can sometimes help you find better prices on flights and hotels.
- Think about luggage: nowadays, it's important to check the airline's baggage policies to find the best value. That may be paying for an additional carry-on bag or booking a ticket with checked luggage included. Either way, double-check your allowance before confirming your booking to avoid excess baggage fees at the airport.
*Members only. Savings vary and are not available on all bundles. Select hotels.
Arriving at Helena Regional Airport from Sky Harbor International Airport
Helena welcomes travelers from Phoenix with a range of transport options based on price, convenience, and proximity. Here's how to reach Helena efficiently:
- Hotel transfer: Transfers offer a convenient way to reach your hotel in Helena, with options including free hotel shuttles and private rides, which can be arranged in advance with your hotel.
- Car rental: Renting a car from Helena Regional Airport is a great option if you plan to explore and sightsee beyond the city. Browse cheap car rentals at Helena Regional Airport on Expedia.
- Taxi/ride-hailing: Taxis and ride-hailing services may be available from designated pickup areas outside the terminal, check locally on arrival.
Phoenix to Helena Flights
The cheapest times to fly from Phoenix to Helena
On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Phoenix to Helena are during the month of January. You can find some of the cheapest flights from Phoenix to Helena with Expedia's search tool and vast selection of airlines.
The best time to book a flight from Phoenix to Helena
Sunday is one of the best days to book for cheap flights from Phoenix to Helena: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.
How to find cheap round-trip tickets from Phoenix to Helena
Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Phoenix to Helena in 2026. You can also book with separate airlines for your outbound and return journeys, from $212 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.
Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Phoenix to Helena flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.
You could also save big by booking one of Expedia's vacation packages. Bundling together your Phoenix to Helena airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.
*Terms apply.
Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.
Frequently Asked Questions
How much does a flight from Phoenix, AZ (PHX-Sky Harbor Intl.) to Helena, MT (HLN-Helena Regional) cost?
You can find cheap one-way flights from $212 and cheap return flights $363 Phoenix, AZ (PHX-Sky Harbor Intl.) to Helena, MT (HLN-Helena Regional) with Expedia. One-way flights generally range between $194 and $915, and roundtrip flights usually range from $390 to $1377. Flight prices vary based on the month and day of the week you want to travel, as well as the airline and how far in advance you book your ticket. Filter your search on Expedia by "Price (lowest to highest)" to see the cheapest fares first, and use the Price Tracking tool to receive alerts when Phoenix, AZ (PHX-Sky Harbor Intl.) to Helena, MT (HLN-Helena Regional) ticket fares go up or down.
*Typical price ranges based on flights available on Expedia in the last year. Prices include multi-airline options.
What is the cheapest month to fly from Phoenix, AZ (PHX-Sky Harbor Intl.) to Helena, MT (HLN-Helena Regional)?
The cheapest month to fly from PHX to HLN is January when demand is low. Traveling in off-peak or shoulder months is usually a good way to secure cheap tickets, just remember to avoid flying during holidays if you're able to. Use the calendar view in your search to see which months have low fares on this route.
Which airlines fly direct from Phoenix, AZ (PHX-Sky Harbor Intl.) to Helena, MT (HLN-Helena Regional)?
Enter PHX to HLN and your travel dates, then apply the 'Nonstop' filter to see only direct flights.
What is the cheapest airline that flies from Phoenix, AZ (PHX-Sky Harbor Intl.) to Helena, MT (HLN-Helena Regional)?
Delta is one of the cheapest airlines offering connecting flights from Sky Harbor Intl. (PHX) to Helena Regional (HLN), with round-trip tickets starting from around $840 with a layover in Seattle - Tacoma Intl. (SEA). Use Expedia's search tool to compare the prices and schedules of airlines that fly this route to find the best option for your plans and budget.
*Prices based on flights available on Expedia in the last year.
How do I find cheap flights from Phoenix, AZ (PHX-Sky Harbor Intl.) to Helena, MT (HLN-Helena Regional)?
To find a cheap flight from Phoenix, AZ (PHX-Sky Harbor Intl.) to Helena, MT (HLN-Helena Regional), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.
What is the best time to fly from Phoenix, AZ (PHX-Sky Harbor Intl.) to Helena, MT (HLN-Helena Regional)?
The best time to fly is usually mid-week (Tuesday or Wednesday) and during early morning hours as flights tend to be cheaper, less crowded, and generally more on-time. Avoid major holidays and peak vacation seasons for smoother travel. Combining off-peak days and hours often gives the best combination of cost, comfort, and convenience.
What is the earliest flight from Phoenix, AZ (PHX-Sky Harbor Intl.) to Helena, MT (HLN-Helena Regional)?
The earliest flight from Phoenix (PHX-Sky Harbor Intl.) to Helena (HLN-Helena Regional) typically departs at around 5:00 AM, operated by Alaska Airlines. This seasonal service is active in March and September, allowing you to make the most of your time in Helena. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.
What are the most popular departure times for flights from Phoenix, AZ (PHX-Sky Harbor Intl.) to Helena, MT (HLN-Helena Regional)?
The most popular departure times for flights from Phoenix (PHX) to Helena (HLN) are in the early morning, from 6am to 9am. About 48% of passengers prefer this time window. Many major carriers, including Delta, Alaska Airlines, and United Airlines, offer flights during this window. This timing works well because it allows you to arrive in Helena with plenty of time to enjoy your day.
How long does it take to fly from Phoenix, AZ (PHX-Sky Harbor Intl.) to Helena, MT (HLN-Helena Regional)?
A flight from PHX to HLN with a layover takes around 6 hours 30 minutes, with the route covering approximately 910 miles. Keep in mind that actual flight times can vary due to wind patterns, weather, and air traffic.
Can you fly business or first class from Phoenix, AZ (PHX-Sky Harbor Intl.) to Helena, MT (HLN-Helena Regional)?
First class seats are offered on the PHX to HLN route with Delta Air Lines and United Airlines.
How do I earn miles on a Phoenix, AZ (PHX-Sky Harbor Intl.) to Helena, MT (HLN-Helena Regional) flight with Expedia?
It's easy to earn miles on a Phoenix, AZ (PHX-Sky Harbor Intl.) to Helena, MT (HLN-Helena Regional) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia.
*Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.
What airports do you fly into for Helena from Sky Harbor Intl. (PHX)?
If you're planning to travel to Helena from Sky Harbor Intl. (PHX), you can fly into Helena Regional (HLN) Some flights may connect through major hubs like San Francisco Intl. (SFO), Los Angeles Intl. (LAX), Portland Intl. (PDX) before reaching Helena. Compare routes and airports on Expedia to find the best flight options for your travel plans.
Is it cheaper to buy a plane ticket from Phoenix, AZ (PHX-Sky Harbor Intl.) to Helena, MT (HLN-Helena Regional) at the last minute?
Typically, booking a last minute flight from Phoenix, AZ (PHX-Sky Harbor Intl.) to Helena, MT (HLN-Helena Regional) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a Phoenix, AZ (PHX-Sky Harbor Intl.) to Helena, MT (HLN-Helena Regional) flight and hotel package?
Securing a Phoenix, AZ (PHX-Sky Harbor Intl.) to Helena, MT (HLN-Helena Regional) flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Phoenix, AZ (PHX-Sky Harbor Intl.) to Helena, MT (HLN-Helena Regional)?
If you booked your Phoenix, AZ (PHX-Sky Harbor Intl.) to Helena, MT (HLN-Helena Regional) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.
Travel information
Origin airport | Phoenix Sky Harbor Intl. Airport |
|---|---|
Destination airport | Helena, MT |
Distance | 910 miles away |
Airlines serving | Alaska Airlines, Delta, United |
Popular airline | Alaska Airlines |
Roundtrip price | $363 |