Which airports can I use when flying from Washington, D.C. to Helena?

Flights from Washington, D.C. to Helena may depart from several airports in Washington, D.C. area, including Washington, D.C. Reagan-National (DCA) and Washington, D.C. Dulles Intl (IAD). Flights usually arrive at Helena (HLN).

What cabin classes can I book on flights from Washington, D.C. to Helena?

Two cabin classes are available on flights from Washington, D.C. to Helena: • Economy Class • First Class

Which airports do connecting flights from Washington, D.C. to Helena pass through?

One-stop flights from Washington, D.C. to Helena most commonly connect through: • Denver Intl (DEN) - 77% of one-stop connections • Seattle/Tacoma Intl (SEA) - 11% of one-stop connections • Salt Lake City (SLC) - 11% of one-stop connections

Can I save money by using flexible dates for flights from Washington, D.C. to Helena?

Yes. Flexible dates can save you up to 87% on flights from Washington, D.C. to Helena. Wednesday is the cheapest departure day at $439 round-trip on average, while Friday is the most expensive at $3,280, a difference of $2,841. KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

How long is a flight from Washington, D.C. to Helena?

There are currently no nonstop flights available from Washington, D.C. to Helena. Flights with 1 layover take between 7h 51m and 11h 59m in total, depending on the connection.

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

No, a passport is not required for this domestic route, but you will need a real ID-compliant driver's license, a state ID or another TSA-accepted form of identification.

How are flight prices from Washington, D.C. to Helena looking right now?

One-way fares from Washington, D.C. to Helena are currently lower than usual. Average one-way flight prices are about $274, which is 28% below the typical average for this route.

How much time can I save by choosing a different layover airport from Washington, D.C. to Helena?

Flying via Denver Intl (DEN) gives the shortest average 1-stop total travel time at 7h 51m, compared with 7h 54m via Salt Lake City (SLC) and 11h 59m via Seattle/Tacoma Intl (SEA).

What is the time difference between Washington, D.C. and Helena?

Helena is 2 hours behind Washington, D.C. (Mountain Time vs Eastern Time). Plan for the time shift when scheduling connections or first-day activities.

What car rental options are available at Helena Airport (HLN)?

Helena Airport (HLN) hosts 5 major car rental companies, with daily rates averaging $83 for economy cars. Top options include: • Budget • Enterprise Rent-A-Car • Hertz • Avis • National

How much should I expect to pay for a Washington, D.C. to Helena flight?

Round-trip flights from Washington, D.C. to Helena range from $481 to $781, with an average of $625 over the past 12 months. Anything below $481 counts as a good deal.

How much is a round-trip flight from Washington, D.C. to Helena?

Round-trip flights from Washington, D.C. to Helena typically range from $481 to $781. The lowest price found in the past 5 days was $399, on United Airlines.

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

Washington, D.C. Dulles Intl Airport (IAD) to Helena (HLN) is the cheapest Washington, D.C. to Helena route, averaging $613 round-trip. Other Washington, D.C. to Helena routes average $781, based on KAYAK data over the past 12 months.

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

Based on deals KAYAK users found in the last 12 months, Wednesday is the cheapest day of the week to fly from Washington, D.C. to Helena. It’s 30% cheaper than the average day, while Friday is the most expensive, with prices 424% higher.

Which airline is the cheapest to fly from Washington, D.C. to Helena?

United Airlines ($399) and Delta ($404) are the cheapest airlines to fly round-trip from Washington, D.C. to Helena according to KAYAK data over the last 5 days.

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

Denver Intl (DEN) is the most popular layover for the Washington, D.C. to Helena route. 77% of KAYAK users who booked 1-stop round-trips over the past 3 months connected via DEN.

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

Flights via Salt Lake City (SLC) offer the most affordable fares, with an average round-trip price of $516. Based on KAYAK data over the past 3 months.

When flying from Washington, D.C. to Helena which airport offers the shortest layover?

Salt Lake City (SLC) had the shortest average connection time for Washington, D.C. to Helena layovers at 4h 42m over the past 3 months.

$215 CHEAP FLIGHTS from Washington, D.C. to Helena (WAS - HLN)

Save 25% or more on flights. Compare deals from all over the web.

Never overpay with our price tracking tools.

Filter searches by price, airline and more to find your best flights.

Cheapest round-trip

$399

Typical prices: $481-$781

United Airlines

Mon 11/26Sun 12/2

IAD - HLN • 1 stop

Cheapest one-way

$215

Typical prices: $329-$519

United Airlines

Tue 1/2

IAD - HLN • 1 stop

Top routes

IAD - HLN

Cheapest • 12% average savings

DCA - HLN

Most popular

Insights

When to travel

February

Cheapest • 30% price drop

June

Most popular

Good to know

Top layover airports

Salt Lake City (SLC)

Cheapest • Avg $516 (round-trip)

Denver Intl (DEN)

Shortest trip • 7h 51m (one-way)

Insights

Start a new search

KAYAK searches 100s of sites at once to find you the best travel deals.

We hope you love your trip to Helena!

Flight Deals

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

Discover the best prices for you by selecting your travel dates on KAYAK.

Round-trip

One-way

Last minute

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

Thu, Nov 26 - Wed, Dec 2

8:20 am - 1:40 pmIAD Washington, D.C. Dulles Intl-HLN Helena

7h 20m1 stop Denver Intl

6:20 am - 5:19 pmHLN Helena-IAD Washington, D.C. Dulles Intl

8h 59m1 stop Denver Intl

$399United Airlines

Wed, Dec 9 - Sun, Dec 13

7:00 am - 12:30 pmIAD Washington, D.C. Dulles Intl-HLN Helena

7h 30m1 stop Salt Lake City

1:10 pm - 12:41 amHLN Helena-IAD Washington, D.C. Dulles Intl

9h 31m2 stops Salt Lake City Atlanta Hartsfield-Jackson

$404Delta

Sat, May 1 - Sat, May 22

2:25 pm - 8:59 pmIAD Washington, D.C. Dulles Intl-HLN Helena

8h 34m1 stop Denver Intl

2:30 pm - 11:13 pmHLN Helena-IAD Washington, D.C. Dulles Intl

6h 43m1 stop Denver Intl

$409United Airlines

Thu, Nov 26 - Wed, Dec 2

7:25 am - 7:28 pmIAD Washington, D.C. Dulles Intl-HLN Helena

14h 03m2 stops Minneapolis St Paul Salt Lake City

1:10 pm - 11:47 pmHLN Helena-IAD Washington, D.C. Dulles Intl

8h 37m1 stop Salt Lake City

$434Delta

Sat, Nov 14 - Sat, Nov 21

7:00 am - 12:27 pmIAD Washington, D.C. Dulles Intl-HLN Helena

7h 27m1 stop Salt Lake City

1:07 pm - 11:21 pmHLN Helena-IAD Washington, D.C. Dulles Intl

8h 14m2 stops Salt Lake City Minneapolis St Paul

$439Delta

Thu, Nov 26 - Wed, Dec 2

7:45 am - 7:28 pmDCA Washington, D.C. Reagan-National-HLN Helena

13h 43m2 stops Minneapolis St Paul Salt Lake City

7:03 am - 5:59 pmHLN Helena-DCA Washington, D.C. Reagan-National

8h 56m2 stops Salt Lake City Cincinnati Cinci./N. Kentucky

$439Delta

Sat, Nov 14 - Sat, Nov 21

2:30 pm - 10:32 pmIAD Washington, D.C. Dulles Intl-HLN Helena

10h 02m2 stops Minneapolis St Paul Salt Lake City

1:07 pm - 11:21 pmHLN Helena-IAD Washington, D.C. Dulles Intl

8h 14m2 stops Salt Lake City Minneapolis St Paul

$444Delta

Sat, May 1 - Sat, May 22

12:59 pm - 10:41 pmDCA Washington, D.C. Reagan-National-HLN Helena

11h 42m2 stops Detroit Metropolitan Wayne County Salt Lake City

7:00 am - 4:17 pmHLN Helena-DCA Washington, D.C. Reagan-National

7h 17m1 stop Salt Lake City

$458Delta

Thu, Dec 10 - Sun, Dec 13

5:18 pm - 4:12 pmIAD Washington, D.C. Dulles Intl-HLN Helena

24h 54m1 stop Seattle/Tacoma Intl

4:49 pm - 5:35 amHLN Helena-IAD Washington, D.C. Dulles Intl

10h 46m1 stop Seattle/Tacoma Intl

$461Alaska Airlines

Fri, Nov 13 - Sat, Nov 14

2:05 pm - 9:31 pmIAD Washington, D.C. Dulles Intl-HLN Helena

9h 26m1 stop Denver Intl

6:28 am - 3:44 pmHLN Helena-IAD Washington, D.C. Dulles Intl

7h 16m1 stop Denver Intl

$469United Airlines

Recent last minute flight deals from Washington, D.C. to Helena

Fri, Nov 6 - Mon, Nov 9

6:13 am - 12:28 pmIAD Washington, D.C. Dulles Intl-HLN Helena

8h 15m1 stop Salt Lake City

1:07 pm - 11:47 pmHLN Helena-IAD Washington, D.C. Dulles Intl

8h 40m1 stop Salt Lake City

$559Delta

Fri, Nov 6 - Mon, Nov 9

12:20 pm - 10:24 pmIAD Washington, D.C. Dulles Intl-HLN Helena

12h 04m2 stops Detroit Metropolitan Wayne County Salt Lake City

1:07 pm - 11:47 pmHLN Helena-IAD Washington, D.C. Dulles Intl

8h 40m1 stop Salt Lake City

$564Delta

Sat, Nov 7 - Mon, Nov 16

8:20 am - 1:40 pmIAD Washington, D.C. Dulles Intl-HLN Helena

7h 20m1 stop Denver Intl

2:23 pm - 11:15 pmHLN Helena-IAD Washington, D.C. Dulles Intl

6h 52m1 stop Denver Intl

$572United Airlines

Fri, Nov 6 - Mon, Nov 9

12:20 pm - 10:24 pmIAD Washington, D.C. Dulles Intl-HLN Helena

12h 04m2 stops Detroit Metropolitan Wayne County Salt Lake City

1:07 pm - 11:21 pmHLN Helena-IAD Washington, D.C. Dulles Intl

8h 14m2 stops Salt Lake City Minneapolis St Paul

$586Delta

Tue, Nov 3 - Wed, Nov 11

6:13 am - 12:28 pmIAD Washington, D.C. Dulles Intl-HLN Helena

8h 15m1 stop Salt Lake City

1:07 pm - 11:47 pmHLN Helena-IAD Washington, D.C. Dulles Intl

8h 40m1 stop Salt Lake City

$594Delta

Tue, Nov 3 - Wed, Nov 11

6:13 am - 12:28 pmIAD Washington, D.C. Dulles Intl-HLN Helena

8h 15m1 stop Salt Lake City

1:07 pm - 11:21 pmHLN Helena-IAD Washington, D.C. Dulles Intl

8h 14m2 stops Salt Lake City Minneapolis St Paul

$599Delta

Tue, Nov 3 - Wed, Nov 11

2:28 pm - 10:24 pmIAD Washington, D.C. Dulles Intl-HLN Helena

9h 56m2 stops Minneapolis St Paul Salt Lake City

1:07 pm - 11:21 pmHLN Helena-IAD Washington, D.C. Dulles Intl

8h 14m2 stops Salt Lake City Minneapolis St Paul

$604Delta

Tue, Nov 3 - Wed, Nov 11

2:59 pm - 10:24 pmDCA Washington, D.C. Reagan-National-HLN Helena

9h 25m2 stops Minneapolis St Paul Salt Lake City

1:07 pm - 11:37 pmHLN Helena-DCA Washington, D.C. Reagan-National

8h 30m2 stops Salt Lake City Minneapolis St Paul

$604Delta

Tue, Nov 3 - Thu, Nov 5

6:13 am - 12:28 pmIAD Washington, D.C. Dulles Intl-HLN Helena

8h 15m1 stop Salt Lake City

1:08 pm - 11:35 pmHLN Helena-IAD Washington, D.C. Dulles Intl

8h 27m1 stop Salt Lake City

$625Delta

Sat, Nov 7 - Mon, Nov 16

6:13 am - 12:28 pmIAD Washington, D.C. Dulles Intl-HLN Helena

8h 15m1 stop Salt Lake City

7:00 am - 6:17 pmHLN Helena-IAD Washington, D.C. Dulles Intl

9h 17m2 stops Salt Lake City Minneapolis St Paul

$764Delta

Booking Insights

Price, demand and travel trends for Washington, D.C. to Helena flights

Use KAYAK data on prices, travel dates, airlines and seasonal trends to compare options and book flights with more confidence.

Prices

Airlines

Layovers

How much is a round-trip flight from Washington, D.C. to Helena? This analysis is based on the cheapest round-trip price found on KAYAK in the last 12 months by searching for a flight from Washington, D.C. to Helena departing in november.
What is the cheapest Washington, D.C. to Helena flight route? KAYAK tracks online flight deals over the last 12 months and analyzes pricing trends to identify the best available fares.: Washington, D.C. Dulles Intl Airport (IAD) to Helena (HLN) is the cheapest Washington, D.C. to Helena route, averaging $613 round-trip. Other Washington, D.C. to Helena routes average $781, based on KAYAK data over the past 12 months.
What's the cheapest day of the week to fly from Washington, D.C. to Helena?: Based on deals KAYAK users found in the last 12 months, Wednesday is the cheapest day of the week to fly from Washington, D.C. to Helena. It’s 30% cheaper than the average day, while Friday is the most expensive, with prices 424% higher.

Find deals

Low season	April
High season	June
Cheapest flight	$215

Beat the crowds with an average 91% drop in travelers.

The most popular month to fly with an average 27% increase in travelers.

One-way flight from Washington, D.C. Dulles Intl Airport to Helena

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

Are your dates flexible? Find out the best times to travel from Washington, D.C. to Helena based on our flight data from the last year. Discover the cheapest month and even day to fly.

Estimated round-trip price

KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or round-trips with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

What cabin classes can I book on flights from Washington, D.C. to Helena?
Two cabin classes are available on flights from Washington, D.C. to Helena:

• Economy Class
• First Class
How long is a flight from Washington, D.C. to Helena?
There are currently no nonstop flights available from Washington, D.C. to Helena. Flights with 1 layover take between 7h 51m and 11h 59m in total, depending on the connection.
Do I need a passport to fly from Washington, D.C. to Helena?
No, a passport is not required for this domestic route, but you will need a real ID-compliant driver's license, a state ID or another TSA-accepted form of identification.
How much should I expect to pay for a Washington, D.C. to Helena flight?
Round-trip flights from Washington, D.C. to Helena range from $481 to $781, with an average of $625 over the past 12 months. Anything below $481 counts as a good deal.
How are flight prices from Washington, D.C. to Helena looking right now?
One-way fares from Washington, D.C. to Helena are currently lower than usual. Average one-way flight prices are about $274, which is 28% below the typical average for this route.
What car rental options are available at Helena Airport (HLN)?
Helena Airport (HLN) hosts 5 major car rental companies, with daily rates averaging $83 for economy cars. Top options include:

• Budget
• Enterprise Rent-A-Car
• Hertz
• Avis
• National
Which airports can I use when flying from Washington, D.C. to Helena?
Flights from Washington, D.C. to Helena may depart from several airports in Washington, D.C. area, including Washington, D.C. Reagan-National (DCA) and Washington, D.C. Dulles Intl (IAD). Flights usually arrive at Helena (HLN).
Which airports do connecting flights from Washington, D.C. to Helena pass through?
One-stop flights from Washington, D.C. to Helena most commonly connect through:

• Denver Intl (DEN) - 77% of one-stop connections
• Seattle/Tacoma Intl (SEA) - 11% of one-stop connections
• Salt Lake City (SLC) - 11% of one-stop connections
Can I save money by using flexible dates for flights from Washington, D.C. to Helena?
Yes. Flexible dates can save you up to 87% on flights from Washington, D.C. to Helena. Wednesday is the cheapest departure day at $439 round-trip on average, while Friday is the most expensive at $3,280, a difference of $2,841.

KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.
How much time can I save by choosing a different layover airport from Washington, D.C. to Helena?
Flying via Denver Intl (DEN) gives the shortest average 1-stop total travel time at 7h 51m, compared with 7h 54m via Salt Lake City (SLC) and 11h 59m via Seattle/Tacoma Intl (SEA).
What is the time difference between Washington, D.C. and Helena?
Helena is 2 hours behind Washington, D.C. (Mountain Time vs Eastern Time). Plan for the time shift when scheduling connections or first-day activities.

If your dates are flexible, aim for a Wednesday departure and avoid flying on Friday. On this route, Wednesday flights average $439, about $2,841 less than Friday fares (87% savings) based on the last 12 months.
If you can choose when to travel, plan your Washington, D.C. to Helena trip for February. Fares historically average $439 round-trip in that month - typically $440 less than the most expensive month, which is April (based on the last 12 months).
If you're arriving late at night and need somewhere to stay, check out these hotels close to Helena Airport.

• La Quinta Inn & Suites by Wyndham Helena
• Baymont by Wyndham Helena
• Home2 Suites By Hilton Helena

More options for your flight from Washington, D.C. to Helena

Add a hotel or car rental

Airports

Cabin class

Direct Flights

Origins

Other destinations

Return flight

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

Car rentals in Helena

Hotels in Helena

Vacations in Helena

WAS - HLN

$215 Find Cheap Flights from Washington, D.C. to Helena - Compare and Save

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

Recent last minute flight deals from Washington, D.C. to Helena

Price, demand and travel trends for Washington, D.C. to Helena flights

How much is a round-trip flight from Washington, D.C. to Helena?

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

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

Which airline is the cheapest to fly from Washington, D.C. to Helena?

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

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

When flying from Washington, D.C. to Helena which airport offers the shortest layover?

Key details for Washington, D.C. to Helena flights

Low season

High season

Cheapest flight

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

Your Washington, D.C. to Helena flight questions, answered

Your guide to booking Washington, D.C. to Helena flights

More options for your flight from Washington, D.C. to Helena

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

Information on your arrival and departure airports

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

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

Flights from domestic origins to Helena

Flights to other popular destinations

Find deals for your return flight