Cheap flights from Washington, D.C. to Helena from $222
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Washington, D.C. to Helena departing on 7/4. 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 Washington, D.C. to Helena
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Alaska Airlines flights from Washington, D.C. to Helena
Our best Alaska Airlines deals on Washington, D.C. to Helena flight tickets
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How to get the cheapest flight ticket from Washington, D.C. 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 typical price of a round-trip flight between Washington, D.C. and Helena?
What is the cheapest day to depart on your flight to Helena?
The cheapest day to depart from Washington, D.C. to Helena is on a Tuesday. Travelers who choose to depart for Helena on a Tuesday will often find tickets for as low as $545. The most expensive day to fly to Helena is Friday, with ticket prices averaging around $1,026.
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 Washington, D.C. to Helena in the morning for as low as $662. 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 $723.
What is the cheapest airline that flies from Washington, D.C. to Helena?
Delta, Alaska Airlines, and United Airlines are the most popular carriers operating from Washington, D.C. to Helena
What airlines fly to Helena?
United Airlines, Delta and American Airlines are the top three most popular airlines that fly to Helena from Washington, D.C. according to our data. United Airlines is the first choice among our users, with 41% 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 Washington, D.C. to Helena
Cheap Washington, D.C. to Helena (WAS to HLN) flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Washington, D.C. to Helena
How far is Washington, D.C. to Helena by plane?
A flight from Washington, D.C. to Helena will travel around 1835.3 mi. In terms of flight time, this usually takes a little over 6h 35m.
When did momondo last update prices for flights from Washington, D.C. to Helena Airport?
Prices for flights from Washington, D.C. to Helena Airport refresh daily.
How many operators does momondo search for flights from Washington, D.C. to Helena Airport?
The number of operators available for flights from Washington, D.C. to Helena Airport is 1 as of June 2025.
How old do you have to be to fly from Washington, D.C. 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 Washington, D.C. 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 Washington, D.C. to Helena?
Based on momondo bookings for flights between Washington, D.C. 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 Washington, D.C. to Helena
Compare and see reviews for airlines that fly from Washington, D.C. to Helena with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $412 | Free Cancellation | Rating 7.4 8,790 reviews |
Why use momondo?
Why should I use momondo to find a flight deal from Washington, D.C. to Helena?
To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Helena from Washington, D.C..
Can I find flights from Washington, D.C. to Helena with flexible booking policies on momondo?
All flight searches from Washington, D.C. to Helena on momondo can be filtered to show those which offer flexible booking policies.
How can momondo help me find flights from Washington, D.C. to Helena?
momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Washington, D.C. to Helena.
I’m not ready to book a flight from Washington, D.C. to Helena right now. Can momondo alert me if prices change?
Yes. momondo can track prices for Washington, D.C. 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.