Cheap flights from Boston to Helena from $242
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Boston to Helena departing on 8/5. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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United Airlines flights from Boston to Helena
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How to get the cheapest flight ticket from Boston to Helena
Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip
What is the cheapest day to depart on your flight to Helena?
The cheapest day to depart from Boston to Helena is on a Saturday. Travelers who choose to depart for Helena on a Saturday will often find tickets for as low as $597. The most expensive day to fly to Helena is Thursday, with ticket prices averaging around $788.
What is the cheapest time of day to depart on your flight to Helena?
According to our data, the cheapest time of day to fly to Helena is in the morning. momondo users have found flights departing from Boston to Helena in the morning for as low as $667. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. In contrast, the most expensive time of day to depart to Helena is in the afternoon when prices are around $752.
What is the cheapest airline that flies from Boston Logan Intl to Helena?
United Airlines and Alaska Airlines are the most popular carriers operating from Boston Logan Intl to Helena
What airlines fly to Helena?
Delta, JetBlue and United Airlines are the top three most popular airlines that fly to Helena from Boston according to our data. Delta is the first choice among our users, with 36% of people opting to fly with this airline when traveling to Helena. Keep in mind that there are 6 different airlines that fly to Helena on a routine basis, so you have a few additional options to choose from.
When to book flights from Boston to Helena
Cheap Boston to Helena (BOS to HLN) flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Boston to Helena
How far is Boston Logan Intl to Helena by plane?
The straight-line distance from Boston Logan Intl to Helena is 2016.7 mi. Flights usually cover this in 8h 10m, depending on flying conditions and air traffic around both airports.
When did momondo last update prices for flights from Boston Logan Intl Airport to Helena Airport?
Prices for flights from Boston Logan Intl Airport to Helena Airport are refreshed on a daily basis.
How many operators does momondo search for flights from Boston Logan Intl Airport to Helena Airport?
The number of operators available for flights from Boston Logan Intl Airport to Helena Airport is 2 as of June 2025.
How old do you have to be to fly from Boston Logan Intl Airport to Helena Airport?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Boston Logan Intl Airport to Helena Airport.
What documentation or ID do you need to fly to Helena Airport?
The required travel and health documents for your Helena Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Helena Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.
What is the most popular airline from Boston to Helena?
Based on momondo bookings for flights between Boston and Helena, the leading airline is United Airlines, making up 57% of the total bookings. Other popular airlines include Delta with 43%.
Best airlines flying from Boston to Helena
Compare and see reviews for airlines that fly from Boston to Helena with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $250 | Free Cancellation | Rating 8.0 7,964 reviews | |||
| PriceFrom $499 | Free Cancellation | Rating 7.4 8,810 reviews |
Why use momondo?
Why should I use momondo to find a flight deal from Boston to Helena?
We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Boston to Helena for you.
Can I find flights from Boston to Helena with flexible booking policies on momondo?
Yes. All flights to Helena from Boston on momondo can be compared and filtered by various policies on offer, including flexible booking.
How can momondo help me find flights from Boston to Helena?
Once you have performed a search for Boston to Helena flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.
I’m not ready to book a flight from Boston to Helena right now. Can momondo alert me if prices change?
Yes. momondo can track prices for Boston to Helena flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.