Question 1

What is the cheapest flight from Washington, D.C. to Helena?

Accepted Answer

In the last 3 days, the lowest price for a flight from Washington, D.C. to Helena was $231 for a one-way ticket and $445 for a round-trip. <a href='/flight-routes/Washington-WAS/Helena-HLN'>Visit our flight page for the latest deals!>/a>

Question 2

Do I need a passport to fly between Washington, D.C. and Helena?

Accepted Answer

A passport is not required to fly from Washington, D.C. to Helena. <a href='/flight-routes/Washington-WAS/Helena-HLN'>Visit our flight page for the latest deals!>/a>

Question 3

What’s the cheapest day of the week to fly from Washington, D.C. to Helena?

Accepted Answer

Your flight ticket price will generally be cheaper if you fly to Helena on a Saturday and more expensive on a Wednesday. On your return trip to Washington, D.C., you should consider flying back on a Wednesday, and avoid Tuesdays for better deals. Visit our flight page for the latest deals!>/a>

Question 4

What’s the cheapest day of the week to fly from Washington, D.C. to Helena?

Accepted Answer

Your flight ticket price will generally be cheaper if you fly to Helena on a Saturday and more expensive on a Wednesday. On your return trip to Washington, D.C., you should consider flying back on a Wednesday, and avoid Tuesdays for better deals. Visit our flight page for the latest deals!>/a>

Question 5

Which airports will I be using when flying from Washington, D.C. to Helena?

Accepted Answer

When flying out of Washington, D.C. you will be using one of these airports: Washington, D.C. Reagan-National or Washington, D.C. Dulles Intl. You will be landing at Helena. <a href='/flight-routes/Washington-WAS/Helena-HLN'>Visit our flight page for the latest deals!>/a>

Question 6

Which airlines fly non-stop between Washington, D.C. and Helena?

Accepted Answer

There is just one airline that flies from Washington, D.C. to Helena direct and that is United Airlines. The best round-trip deal found from United Airlines for the route is $408.

Question 7

Which airlines fly non-stop between Washington, D.C. and Helena?

Accepted Answer

There is just one airline that flies from Washington, D.C. to Helena direct and that is United Airlines. The best round-trip deal found from United Airlines for the route is $408.

Question 8

Which aircraft models fly most regularly from Washington, D.C. to Helena?

Accepted Answer

We unfortunately don’t have that data for this specific route.

Question 9

Which airline alliances offer flights from Washington, D.C. to Helena?

Accepted Answer

Star Alliance is the only airline alliance operating flights between Washington, D.C. and Helena.

Question 10

How does KAYAK find such low prices on flights from Washington, D.C. to Helena?

Accepted Answer

KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Washington, D.C. to Helena. <a href='/flight-routes/Washington-WAS/Helena-HLN'>Visit our flight page for the latest deals!>/a>

Question 11

How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Washington, D.C. to Helena?

Accepted Answer

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Helena from Washington, D.C. is likely to change within 7 days, so travelers know whether to wait or book now. <a href='/flight-routes/Washington-WAS/Helena-HLN'>Visit our flight page for the latest deals!>/a>

Question 12

What is the Hacker Fare option on flights from Washington, D.C. to Helena?

Accepted Answer

Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Helena with an airline and back to Washington, D.C. with another airline. <a href='/flight-routes/Washington-WAS/Helena-HLN'>Visit our flight page for the latest deals!>/a>

Question 13

What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Washington, D.C. to Helena?

Accepted Answer

Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Helena from Washington, D.C. up to 3 days before/after your preferred dates. You can then pick the flights that suit you best. <a href='/flight-routes/Washington-WAS/Helena-HLN'>Visit our flight page for the latest deals!>/a>

Question 14

What is the cheapest layover airport when flying from Washington, D.C. to Helena?

Accepted Answer

Flights via Seattle (SEA) offer the most affordable fares, with an average round-trip price of $470.

Question 15

What is the most popular layover airport when flying from Washington, D.C. to Helena?

Accepted Answer

Denver (DEN) is the top choice – 70% of KAYAK users who clicked on 1-stop flights from Washington, D.C. to Helena picked an itinerary connecting there.

Question 16

Which layover airport has the quickest connection when flying from Washington, D.C. to Helena?

Accepted Answer

If you prefer a quick connection, Denver (DEN) often has the shortest layovers from Washington, D.C. to Helena, with an average of 0h 55m.

Question 17

Which layover airport offers the shortest total travel time from Washington, D.C. to Helena?

Accepted Answer

Consider flying via Denver (DEN) for the shortest journey. The average one-way travel time for flights connecting there is 6h 42m.

Question 18

Which airlines provide the cheapest flights from Washington, D.C. to Helena?

Accepted Answer

In the past 3 days, the cheapest round-trip tickets from Washington, D.C. to Helena were found on Alaska Airlines ($445) and Delta ($513).

Question 19

Which airlines provide the cheapest flights from Washington, D.C. to Helena?

Accepted Answer

In the past 3 days, the cheapest round-trip tickets from Washington, D.C. to Helena were found on Alaska Airlines ($445) and Delta ($513).

Question 20

What are the most popular airlines flying to Helena?

Accepted Answer

The most popular airline among KAYAK users flying to Helena is United Airlines, followed by Delta and American Airlines.

Low season	April
High season	November
Cheapest flight	$231

WAS - HLN

$231 Find Cheap Flights from Washington, D.C. to Helena

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Everything you should know

Cheap Flights from Washington, D.C. to Helena (WAS-HLN)

Recent round-trip flight deals from Washington, D.C. to Helena

Recent one-way flight deals from Washington, D.C. to Helena

KAYAK's insights & trends for Washington, D.C. to Helena flights

Get data-powered insights and trends into flights from Washington, D.C. to Helena to help you find the cheapest flights, the best time to fly and much more.

What’s the cheapest day of the week to fly from Washington, D.C. to Helena?

Your flight ticket price will generally be cheaper if you fly to Helena on a Saturday and more expensive on a Wednesday. On your return trip to Washington, D.C., you should consider flying back on a Wednesday, and avoid Tuesdays for better deals.

Which airlines provide the cheapest flights from Washington, D.C. to Helena?

In the past 3 days, the cheapest round-trip tickets from Washington, D.C. to Helena were found on Alaska Airlines ($445) and Delta ($513).

Which airlines fly non-stop between Washington, D.C. and Helena?

There is just one airline that flies from Washington, D.C. to Helena direct and that is United Airlines. The best round-trip deal found from United Airlines for the route is $408.

What is the most popular layover airport when flying from Washington, D.C. to Helena?

Denver (DEN) is the top choice – 70% of KAYAK users who clicked on 1-stop flights from Washington, D.C. to Helena picked an itinerary connecting there.

What is the cheapest layover airport when flying from Washington, D.C. to Helena?

Flights via Seattle (SEA) offer the most affordable fares, with an average round-trip price of $470.

Which layover airport offers the shortest total travel time from Washington, D.C. to Helena?

Consider flying via Denver (DEN) for the shortest journey. The average one-way travel time for flights connecting there is 6h 42m.

Which layover airport has the quickest connection when flying from Washington, D.C. to Helena?

If you prefer a quick connection, Denver (DEN) often has the shortest layovers from Washington, D.C. to Helena, with an average of 0h 55m.

Good to know

When to book flights from Washington, D.C. to Helena

FAQs for booking flights from Washington, D.C. to Helena

What is the cheapest flight from Washington, D.C. to Helena?

In the last 3 days, the lowest price for a flight from Washington, D.C. to Helena was $231 for a one-way ticket and $445 for a round-trip.

Do I need a passport to fly between Washington, D.C. and Helena?

A passport is not required to fly from Washington, D.C. to Helena.

Which airports will I be using when flying from Washington, D.C. to Helena?

When flying out of Washington, D.C. you will be using one of these airports: Washington, D.C. Reagan-National or Washington, D.C. Dulles Intl. You will be landing at Helena.

Which aircraft models fly most regularly from Washington, D.C. to Helena?

We unfortunately don’t have that data for this specific route.

Which airline alliances offer flights from Washington, D.C. to Helena?

Star Alliance is the only airline alliance operating flights between Washington, D.C. and Helena.

How does KAYAK find such low prices on flights from Washington, D.C. to Helena?

KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Washington, D.C. to Helena.

How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Washington, D.C. to Helena?

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Helena from Washington, D.C. is likely to change within 7 days, so travelers know whether to wait or book now.

What is the Hacker Fare option on flights from Washington, D.C. to Helena?

Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Helena with an airline and back to Washington, D.C. with another airline.

What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Washington, D.C. to Helena?

Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Helena from Washington, D.C. up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Reviews of the top airline flying from Washington, D.C. to Helena

Everything you need to know for your flight from Washington, D.C. to Helena

Information on your arrival and departure airports

Cabin class types available on flights from Washington, D.C. to Helena

Complete your trip to Helena with a hotel stay or car rental

Find direct flights to and from Washington, D.C. and Helena

Flights to other popular destinations

Flights from domestic origins to Helena

Choose which airport to fly into in Helena

Find deals for your return flight