HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Helena

$180+ Cheap flights from District of Columbia to Helena (HLN)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 5/28. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — HLN
may. 5 — may. 121
lun. 5/5
lun. 5/12
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from District of Columbia to Helena with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from District of Columbia to Helena

Keep the following information in mind while searching for District of Columbia to Helena flight deals. Data was last updated abril 30, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

Expedia
3 stars

Round-trip from

$361
(Delta)

One-way from

$180
(Hawaiian Airlines)

Popular in

November

Cheapest in

April

Average price

$394
Provider with most accurate pricing for Washington, D.C. (WAS)-Helena flight deals.
Search Deals
Provider most trusted by Cheapflights users for Washington, D.C. (WAS)-Helena flights.
Search Deals
From District of Columbia to Helena
Search Deals
One-way flight from District of Columbia to Helena
Search Deals
High demand for flights, 2% potential price rise
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($38 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in April 2025
Search Deals

Find flight deals from District of Columbia to Helena

Cheapest flights from District of Columbia to Helena
Explore the most affordable flight options available from District of Columbia to Helena. Find the lowest fares from popular airlines and budget airlines, with prices last updated on abril 30, 2025.

This Delta deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 5/287:30 amIAD - HLN
1 stop6h 51mDelta
sáb. 5/311:01 pmHLN - IAD
1 stop8h 52mDelta
Deal found 4/29$361
This Alaska Airlines deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 6/47:25 pmIAD - HLN
2 stops22h 06mAlaska Airlines
sáb. 6/74:11 pmHLN - IAD
1 stop13h 25mAlaska Airlines
Deal found 4/29$416
This Delta deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 7/45:45 pmDCA - HLN
1 stop7h 13mDelta
sáb. 7/55:44 amHLN - DCA
1 stop8h 50mDelta
Deal found 4/29$465
This United Airlines deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 6/1210:10 amIAD - HLN
1 stop8h 45mUnited Airlines
lun. 6/162:39 pmHLN - IAD
1 stop7h 55mUnited Airlines
Deal found 4/29$549
This Alaska Airlines deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 9/116:59 pmDCA - HLN
2 stops22h 22mAlaska Airlines
dom. 9/144:02 pmHLN - DCA
2 stops26h 57mAlaska Airlines
Deal found 4/29$644
This United Airlines deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 7/44:17 pmDCA - HLN
1 stop6h 58mUnited Airlines
lun. 7/75:39 pmHLN - DCA
1 stop19h 26mUnited Airlines
Deal found 4/29$645

Cheapflights Fare Finder

Customize your flight search to find flights from District of Columbia to Helena that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated abril 30, 2025.
Use the filters below to find and compare flights from District of Columbia to Helena that are best for you.

Fly from

District of Columbia

Fly to

Helena

Route

Depart

Return

Price

Washington, D.C.Helena

IAD - HLN

IADHLN

Washington, D.C. Dulles Intl

mié. 5/28

7:30 am-12:21 pm

1 stop6h 51m

Helena

sáb. 5/31

1:01 pm-11:53 pm

1 stop8h 52m

$361

Washington, D.C.Helena

IAD - HLN

IADHLN

Washington, D.C. Dulles Intl

mié. 6/4

7:25 pm-3:31 pm

2 stops22h 06m

Helena

sáb. 6/7

4:11 pm-7:36 am

1 stop13h 25m

$416

Washington, D.C.Helena

DCA - HLN

DCAHLN

Washington, D.C. Reagan-National

vie. 7/4

5:45 pm-10:58 pm

1 stop7h 13m

Helena

sáb. 7/5

5:44 am-4:34 pm

1 stop8h 50m

$465

Washington, D.C.Helena

IAD - HLN

IADHLN

Washington, D.C. Dulles Intl

jue. 6/12

10:10 am-4:55 pm

1 stop8h 45m

Helena

lun. 6/16

2:39 pm-12:34 am

1 stop7h 55m

$549

Washington, D.C.Helena

DCA - HLN

DCAHLN

Washington, D.C. Reagan-National

jue. 9/11

6:59 pm-3:21 pm

2 stops22h 22m

Helena

dom. 9/14

4:02 pm-8:59 pm

2 stops26h 57m

$644

Washington, D.C.Helena

DCA - HLN

DCAHLN

Washington, D.C. Reagan-National

vie. 7/4

4:17 pm-9:15 pm

1 stop6h 58m

Helena

lun. 7/7

5:39 pm-3:05 pm

1 stop19h 26m

$645

Washington, D.C.Helena

IAD - HLN

IADHLN

Washington, D.C. Dulles Intl

mié. 5/28

6:30 am-3:31 pm

1 stop11h 01m

$180

Washington, D.C.Helena

IAD - HLN

IADHLN

Washington, D.C. Dulles Intl

mié. 5/28

1:00 pm-10:16 pm

2 stops11h 16m

$186

Washington, D.C.Helena

IAD - HLN

IADHLN

Washington, D.C. Dulles Intl

vie. 7/4

6:30 am-1:58 pm

1 stop9h 28m

$278

Washington, D.C.Helena

DCA - HLN

DCAHLN

Washington, D.C. Reagan-National

lun. 10/13

5:15 pm-10:37 pm

1 stop7h 22m

$280

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/28

Showing 1-10 of 14 results
1
2

Best time to book a flight from District of Columbia to Helena

Have a flexible travel schedule? Discover the best time to fly to Helena from District of Columbia with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from District of Columbia to Helena

What is the cheapest month to book a flight from District of Columbia to Helena?

Currently, February is the cheapest month in which you can book a flight from District of Columbia to Helena (average of $353). Flying from District of Columbia to Helena in July is currently the most expensive (average of $597). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Rainfall in Helena by month

Plan your trip to Helena by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Helena ranges from 0.3 - 2.1 inches per month. June is typically the wettest month, when rainfall can reach 2.1 in. February is typically the driest time to visit Helena when rainfall is around 0.3 in.

Temperature in Helena by month

Plan your trip to Helena by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Helena, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 69.8 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 21.2 F).

Reviews of airlines servicing Helena

Get insights into the airlines that provide service to Helena. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Helena. Reviews last updated abril 30, 2025.
See what other customers who have flown with Alaska Airlines, Delta and Hawaiian Airlines from District of Columbia to Helena have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
9,961 reviews

Food

7.1

Boarding

8.2

Overall

8.0

Comfort

7.9

Crew

8.5

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Alaska Airlines
8.0
Very good
9,961 reviews
Alaska Airlines
8.0
Very good
9,961 reviews

Food

7.1

Boarding

8.2

Overall

8.0

Comfort

7.9

Crew

8.5

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Delta
8.0
Very good
7,936 reviews
Alaska Airlines
8.0
Very good
9,961 reviews

Food

7.1

Boarding

8.2

Overall

8.0

Comfort

7.9

Crew

8.5

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Hawaiian Airlines
7.9
Good
2,402 reviews
Alaska Airlines
8.0
Very good
9,961 reviews

Food

7.1

Boarding

8.2

Overall

8.0

Comfort

7.9

Crew

8.5

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
United Airlines
7.4
Good
8,696 reviews
Alaska Airlines
8.0
Very good
9,961 reviews

Food

7.1

Boarding

8.2

Overall

8.0

Comfort

7.9

Crew

8.5

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

Related info for your journey

Find useful and relevant information for your journey from District of Columbia to Helena. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Helena from District of Columbia?

    For a flight from District of Columbia to Helena, you will be flying into Helena. Helena (HLN) is just 2.7 mi from the center of the city.

  • What are the cheapest airlines to fly from District of Columbia to Helena one-way?

    The cheapest airlines for a one-way flight from District of Columbia to Helena are Hawaiian Airlines ($180), Delta ($186), and United Airlines ($278).

  • Can I find deals for flights from District of Columbia to Helena that include hotel bookings?

    Yes. In addition to deals on District of Columbia to Helena flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from District of Columbia to Helena?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from District of Columbia to Helena.

  • Can I find deals for business class flights from District of Columbia to Helena?

    Yes. Cheapflights offers flight deals from District of Columbia to Helena by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from District of Columbia to Helena?

    Currently, February is the cheapest month in which you can book a flight from District of Columbia to Helena (average of $353). Flying from District of Columbia to Helena in July is currently the most expensive (average of $597). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for District of Columbia to Helena

See prices for flight routes from nearby airports that may be better suited for you.
Newark to Bozeman flights
John F Kennedy Intl to Bozeman flights
O'Hare Intl to Kalispell flights
O'Hare Intl to Bozeman flights
Boston to Bozeman flights
Atlanta to Bozeman flights
Los Angeles to Kalispell flights
LaGuardia to Bozeman flights
San Francisco to Bozeman flights
Minneapolis to Bozeman flights
Dulles Intl to Bozeman flights
San Francisco to Kalispell flights
Los Angeles to Bozeman flights
Dallas/Fort Worth to Kalispell flights
John F Kennedy Intl to Kalispell flights
Newark to Kalispell flights
Seattle to Bozeman flights
Baltimore to Bozeman flights
Denver to Kalispell flights
LaGuardia to Kalispell flights
Dallas/Fort Worth to Bozeman flights
San Diego to Kalispell flights
Denver to Bozeman flights
Hobby to Bozeman flights
Reagan-National to Bozeman flights
Dulles Intl to Kalispell flights
Seattle to Missoula flights
Philadelphia to Bozeman flights
Cleveland to Bozeman flights
O'Hare Intl to Missoula flights
Midway to Bozeman flights
Denver to Missoula flights
Charlotte to Bozeman flights
Minneapolis to Kalispell flights
Baltimore to Kalispell flights
Harrisburg to Missoula flights
Raleigh to Bozeman flights
Detroit to Bozeman flights
Philadelphia to Kalispell flights
Baltimore to Missoula flights
Reagan-National to Kalispell flights
Seattle to Kalispell flights
O'Hare Intl to Billings flights
Portland to Kalispell flights
Atlanta to Kalispell flights
Austin to Bozeman flights
Detroit to Kalispell flights
Hobby to Kalispell flights
Orlando to Bozeman flights
Grand Rapids to Bozeman flights

Top airline flying from District of Columbia to Helena

Discover the top airline that operate flights from District of Columbia to Helena. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated abril 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$412Average$674FlexibilityNo cancel feeOn-time69%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.