What are the cheapest airlines flying from Helena to Washington, D.C. round-trip?

According to our current data, Delta ($372), United Airlines ($481), and Alaska Airlines ($611) offers the cheapest pricing from Helena to Washington, D.C.. Delta is currently priced 51% below the average price you’ll pay for this route.

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

Travelers seeking maximum savings on their Helena to Washington, D.C. flight should consider departing on Wednesday at noon when fares are most often at their lowest. Sunday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

What are the most popular routes from Helena to Washington, D.C.?

Most travelers choose Helena - Washington, D.C. Reagan-National, Helena - Washington, D.C. Dulles Intl or Helena - Baltimore/Washington when deciding on the best route from Helena to Washington, D.C..

What is the cheapest day to fly round-trip from Helena to Washington, D.C.?

Saturday flights are generally found to be more expensive for flights from Helena to Washington, D.C.. This shouldn’t discourage you from searching, as you can still find great deals by being flexible with your options. Use our search form to find deals on tickets to Washington, D.C..

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

Flights from Helena to Washington, D.C. lean towards being more expensive in November. Prices are generally better when you fly from Helena to Washington, D.C. in July, with the cheapest ticket starting at $460.

What airport do you fly from for flights from Helena to Washington, D.C.?

Most people fly from Helena (HLN) if they book a flight from Helena to Washington, D.C.. On average, Helena has 0 outbound flights to Washington, D.C. per day from 2 airlines. Helena is conveniently located just 2.7 mi from Helena’s city center.

Can I find deals for flights from Helena to Washington, D.C. that include hotel bookings?

Yes. In addition to deals on Helena to Washington, D.C. flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from Helena to Washington, D.C.?

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

Can I find deals for business class flights from Helena to Washington, D.C.?

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

$372+ Flights from Helena to Washington, D.C.

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Cheap flight deals from Helena to Washington, D.C.

Round-trip from	$372 (Delta)
Popular in	November
Cheapest in	July
Average price	$662

From Helena to Washington, D.C. (WAS)

Search Deals

High demand for flights, 23% potential price rise

Search Deals

Best time to find cheap flights, 8% potential price drop

Search Deals

Average for round-trip flights in January 2025

Search Deals

Find flight deals from Helena to Washington, D.C.

Cheapest flights from Helena to Washington, D.C.
Explore the most affordable flight options available from Helena to Washington, D.C.. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 16, 2025.

Tue 4/81:20 pmHLN - IAD

1 stop8h 12mDelta

Tue 4/151:26 pmIAD - HLN

2 stops11h 09mDelta

Deal found 1/16

$372

Wed 4/235:45 amHLN - DCA

2 stops11h 34mDelta

Sat 5/35:15 pmDCA - HLN

1 stop7h 20mDelta

Deal found 1/16

$418

Tue 4/82:17 pmHLN - BWI

1 stop7h 13mUnited Airlines

Tue 4/154:07 pmBWI - HLN

1 stop23h 23mUnited Airlines

Deal found 1/16

$481

Thu 3/272:25 pmHLN - IAD

1 stop6h 58mUnited Airlines

Tue 4/15:25 pmIAD - HLN

1 stop22h 05mUnited Airlines

Deal found 1/16

$505

Thu 3/272:25 pmHLN - DCA

2 stops17h 17mUnited Airlines

Tue 4/14:15 pmDCA - HLN

1 stop7h 10mUnited Airlines

Deal found 1/16

$537

Tue 4/81:20 pmHLN - BWI

2 stops9h 17mDelta

Tue 4/1512:15 pmBWI - HLN

2 stops12h 20mDelta

Deal found 1/16

$588

Wed 4/237:29 pmHLN - DCA

1 stop24h 30mAlaska Airlines

Sat 5/35:38 pmDCA - HLN

1 stop27h 11mAlaska Airlines

Deal found 1/16

$611

Best flights from Helena to Washington, D.C.
Discover carefully curated flight deals from Helena to Washington, D.C. that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated January 16, 2025.

Tue 4/81:20 pmHLN - IAD

1 stop8h 12mDelta

Tue 4/151:26 pmIAD - HLN

2 stops11h 09mDelta

Deal found 1/16

$372

Tue 4/82:17 pmHLN - BWI

1 stop7h 13mUnited Airlines

Tue 4/154:07 pmBWI - HLN

1 stop23h 23mUnited Airlines

Deal found 1/16

$481

Wed 4/237:29 pmHLN - DCA

1 stop24h 30mAlaska Airlines

Sat 5/35:38 pmDCA - HLN

1 stop27h 11mAlaska Airlines

Deal found 1/16

$611

Wed 4/235:45 amHLN - DCA

2 stops11h 34mDelta

Sat 5/35:15 pmDCA - HLN

1 stop7h 20mDelta

Deal found 1/16

$418

Thu 3/272:25 pmHLN - IAD

1 stop6h 58mUnited Airlines

Tue 4/15:25 pmIAD - HLN

1 stop22h 05mUnited Airlines

Deal found 1/16

$505

Thu 3/272:25 pmHLN - DCA

2 stops17h 17mUnited Airlines

Tue 4/14:15 pmDCA - HLN

1 stop7h 10mUnited Airlines

Deal found 1/16

$537

Tue 4/81:20 pmHLN - BWI

2 stops9h 17mDelta

Tue 4/1512:15 pmBWI - HLN

2 stops12h 20mDelta

Deal found 1/16

$588

Last-minute flights from Helena to Washington, D.C.
Discover last-minute flight deals from Helena to Washington, D.C.. Data last updated January 16, 2025 and is based on user searches.

Fri 1/175:50 amHLN - DCA

2 stops11h 07mDelta

Tue 1/215:10 pmDCA - HLN

1 stop7h 57mDelta

Deal found 1/16

$1,493

Fri 1/174:41 pmHLN - DCA

1 stop21h 48mAlaska Airlines

Tue 1/218:00 amDCA - HLN

1 stop10h 04mAlaska Airlines

Deal found 1/16

$2,072

Sat 1/182:25 pmHLN - IAD

2 stops15h 01mUnited Airlines

Sat 1/2510:05 pmIAD - HLN

1 stop25h 31mUnited Airlines

Deal found 1/16

$781

Fri 1/312:25 pmHLN - DCA

2 stops21h 57mUnited Airlines

Tue 2/44:13 pmDCA - HLN

1 stop23h 28mUnited Airlines

Deal found 1/16

$610

Fri 1/311:30 pmHLN - IAD

1 stop8h 06mDelta

Tue 2/47:20 amIAD - HLN

1 stop7h 30mDelta

Deal found 1/16

$663

Fri 1/311:30 pmHLN - BWI

1 stop8h 04mDelta

Tue 2/47:15 amBWI - HLN

1 stop7h 35mDelta

Deal found 1/16

$665

Find flights from Helena to Washington, D.C. within your budget

Fly from

Fly to

Route

Depart

Return

Price

HelenaWashington, D.C.

HLN - IAD

HLNIAD

Helena

Tue 4/8

1:20 pm-11:32 pm

1 stop8h 12m

Washington, D.C. Dulles Intl

Tue 4/15

1:26 pm-10:35 pm

2 stops11h 09m

$372

HelenaWashington, D.C.

HLN - DCA

HLNDCA

Helena

Wed 4/23

5:45 am-7:19 pm

2 stops11h 34m

Washington, D.C. Reagan-National

Sat 5/3

5:15 pm-10:35 pm

1 stop7h 20m

$418

HelenaBaltimore

HLN - BWI

HLNBWI

Helena

Tue 4/8

2:17 pm-11:30 pm

1 stop7h 13m

Baltimore/Washington

Tue 4/15

4:07 pm-1:30 pm

1 stop23h 23m

$481

HelenaWashington, D.C.

HLN - IAD

HLNIAD

Helena

Thu 3/27

2:25 pm-11:23 pm

1 stop6h 58m

Washington, D.C. Dulles Intl

Tue 4/1

5:25 pm-1:30 pm

1 stop22h 05m

$505

HelenaWashington, D.C.

HLN - DCA

HLNDCA

Helena

Thu 3/27

2:25 pm-9:42 am

2 stops17h 17m

Washington, D.C. Reagan-National

Tue 4/1

4:15 pm-9:25 pm

1 stop7h 10m

$537

HelenaBaltimore

HLN - BWI

HLNBWI

Helena

Tue 4/8

1:20 pm-12:37 am

2 stops9h 17m

Baltimore/Washington

Tue 4/15

12:15 pm-10:35 pm

2 stops12h 20m

$588

HelenaWashington, D.C.

HLN - DCA

HLNDCA

Helena

Wed 4/23

7:29 pm-9:59 pm

1 stop24h 30m

Washington, D.C. Reagan-National

Sat 5/3

5:38 pm-6:49 pm

1 stop27h 11m

$611

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/16

Best time to book a flight from Helena to Washington, D.C.

Have a flexible travel schedule? Discover the best time to fly to Washington, D.C. from Helena 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.

Travel insights for flights from Helena to Washington, D.C.

Get recent, data-driven insights about flights from Helena to Washington, D.C. including ideal travel times, pricing trends, and more.

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

Currently, August is the cheapest month in which you can book a flight from Helena to Washington, D.C. (average of $241). Flying from Helena to Washington, D.C. in March is currently the most expensive (average of $290). 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.

What is the cheapest time of day to fly from HLN to WAS?

A simple way to save on the total cost of your ticket is to fly from Helena to Washington, D.C. at noon. If you’re flexible enough to do this you can expect to save up to 26% on your trip compared to booking a flight in the morning.

Rainfall in Washington, D.C. by month

In terms of precipitation, rainfall in Washington, D.C. ranges from 2.6 - 4.0 inches per month. May is typically the wettest month, when rainfall can reach 4.0 in. February is typically the driest time to visit Washington, D.C. when rainfall is around 2.6 in.

Temperature in Washington, D.C. by month

If weather is an important factor for your trip to Washington, D.C., 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 80.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 35.6 F).

Reviews of airlines servicing Washington, D.C.

Read reviews from past customers who have flown United Airlines and Delta from Helena to Washington, D.C.. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Alaska Airlines

8.0

Very good

9,681 reviews

Reviews

1 / 10

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

Alaska Airlines

8.0

Very good

9,681 reviews

Alaska Airlines

8.0

Very good

9,681 reviews

Reviews

1 / 10

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

Delta

8.0

Very good

8,511 reviews

Alaska Airlines

8.0

Very good

9,681 reviews

Reviews

1 / 10

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

United Airlines

7.4

Good

8,964 reviews

Alaska Airlines

8.0

Very good

9,681 reviews

Reviews

1 / 10

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

Related info for your journey

What airport do you fly from for flights from Helena to Washington, D.C.?
Most people fly from Helena (HLN) if they book a flight from Helena to Washington, D.C.. On average, Helena has 0 outbound flights to Washington, D.C. per day from 2 airlines. Helena is conveniently located just 2.7 mi from Helena’s city center.
What are the cheapest airlines flying from Helena to Washington, D.C. round-trip?
According to our current data, Delta ($372), United Airlines ($481), and Alaska Airlines ($611) offers the cheapest pricing from Helena to Washington, D.C.. Delta is currently priced 51% below the average price you’ll pay for this route.
What are the most popular routes from Helena to Washington, D.C.?
Most travelers choose Helena - Washington, D.C. Reagan-National, Helena - Washington, D.C. Dulles Intl or Helena - Baltimore/Washington when deciding on the best route from Helena to Washington, D.C..
Can I find deals for flights from Helena to Washington, D.C. that include hotel bookings?
Yes. In addition to deals on Helena to Washington, D.C. flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Helena to Washington, D.C.?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Helena to Washington, D.C..
Can I find deals for business class flights from Helena to Washington, D.C.?
Yes. Cheapflights offers flight deals from Helena to Washington, D.C. 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 Helena to Washington, D.C.?
Currently, August is the cheapest month in which you can book a flight from Helena to Washington, D.C. (average of $241). Flying from Helena to Washington, D.C. in March is currently the most expensive (average of $290). 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

Fairfax

Arlington

Alexandria

Springfield

Silver Spring

Rockville

Tysons

Gaithersburg

Fredericksburg

Linthicum Heights

Laurel

Falls Church

Greenbelt

Easton

Oxon Hill

Herndon

Woodbridge

Bowie

Reston

National Harbor

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Top 2 airlines flying from Helena to Washington, D.C.

Airline	Cheapest	Average	Flexibility	On-time
United Airlines	Cheapest$344	Average$730	FlexibilityNo cancel fee	On-time69%
Delta	Cheapest$468	Average$837	FlexibilityNo cancel fee	On-timeN/A

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$372+ Cheap flights from Helena (HLN) to Washington, D.C. (WAS)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 4/8. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Helena to Washington, D.C. with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from Helena to Washington, D.C.

Round-trip from

Popular in

Cheapest in

Average price

Find flight deals from Helena to Washington, D.C.

Cheapest flights from Helena to Washington, D.C.Explore the most affordable flight options available from Helena to Washington, D.C.. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 16, 2025.

Explore the most affordable flight options available from Helena to Washington, D.C.. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 16, 2025.

Find flights from Helena to Washington, D.C. within your budget

Best time to book a flight from Helena to Washington, D.C.

Have a flexible travel schedule? Discover the best time to fly to Washington, D.C. from Helena with our price prediction graph.

Travel insights for flights from Helena to Washington, D.C.

Get recent, data-driven insights about flights from Helena to Washington, D.C. including ideal travel times, pricing trends, and more.

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

What is the cheapest time of day to fly from HLN to WAS?

Find hourly flight availability from Helena to Washington, D.C.. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated January 16, 2025.

Rainfall in Washington, D.C. by month

Plan your trip to Washington, D.C. by taking into account the average rainfall totals by month.

Temperature in Washington, D.C. by month

Plan your trip to Washington, D.C. by taking into account the average temperature totals by month.

Reviews of airlines servicing Washington, D.C.

Read reviews from past customers who have flown United Airlines and Delta from Helena to Washington, D.C.. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Find useful and relevant information for your journey from Helena to Washington, D.C.. 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 from for flights from Helena to Washington, D.C.?

What are the cheapest airlines flying from Helena to Washington, D.C. round-trip?

What are the most popular routes from Helena to Washington, D.C.?

Can I find deals for flights from Helena to Washington, D.C. that include hotel bookings?

How can I find direct flights from Helena to Washington, D.C.?

Can I find deals for business class flights from Helena to Washington, D.C.?

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

Traveling to a place near Helena?

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Alternative routes for Helena to Washington, D.C.

See prices for flight routes from nearby airports that may be better suited for you.

Top 2 airlines flying from Helena to Washington, D.C.

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Cheapest flights from Helena to Washington, D.C.
Explore the most affordable flight options available from Helena to Washington, D.C.. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 16, 2025.