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Washington, D.C.

$364+ 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 12/9. Fares are subject to change and may not be available on all flights or dates of travel.
HLN — WAS
Oct 28 — Nov 41
Mon 10/28
Mon 11/4
1 adult, Economy
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HLN - WAS
Oct 28 - Nov 4

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

Discover tips and strategies to find the most affordable flight options for your journey from Helena (HLN) to Washington, D.C. (WAS). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated October 23, 2024.

Popular in

November

Cheapest in

July

Average price

$670

Round-trip from

$364
(Delta)
High demand for flights, 48% potential price rise
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Best time to find cheap flights, 35% potential price drop
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Average for round-trip flights in October 2024
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From Helena to Washington, D.C. (WAS)
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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 October 23, 2024.

This Delta deal was found by Cheapflights users on 10/22. 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.
Mon 12/91:00 pmHLN - IAD
1 stop8h 49mDelta
Wed 12/116:55 amIAD - HLN
1 stop7h 25mDelta
Deal found 10/22$364
This Alaska Airlines deal was found by Cheapflights users on 10/22. 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.
Mon 12/94:07 pmHLN - IAD
1 stop20h 47mAlaska Airlines
Thu 12/129:13 amIAD - HLN
2 stops31h 55mAlaska Airlines
Deal found 10/22$449
This Alaska Airlines deal was found by Cheapflights users on 10/22. 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.
Mon 12/94:07 pmHLN - BWI
1 stop11h 23mAlaska Airlines
Thu 12/126:59 pmBWI - HLN
1 stop22h 09mAlaska Airlines
Deal found 10/22$468
This United Airlines deal was found by Cheapflights users on 10/22. 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.
Thu 11/212:32 pmHLN - IAD
1 stop6h 46mUnited Airlines
Wed 11/278:25 amIAD - HLN
1 stop7h 32mUnited Airlines
Deal found 10/22$474
This Delta deal was found by Cheapflights users on 10/22. 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.
Thu 11/215:45 amHLN - DCA
2 stops11h 10mDelta
Wed 11/275:10 pmDCA - HLN
1 stop7h 27mDelta
Deal found 10/22$476
This United Airlines deal was found by Cheapflights users on 10/22. 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.
Thu 11/212:32 pmHLN - BWI
1 stop12h 44mUnited Airlines
Wed 11/276:30 amBWI - HLN
1 stop9h 27mUnited Airlines
Deal found 10/22$492
This Alaska Airlines deal was found by Cheapflights users on 10/22. 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.
Mon 12/94:07 pmHLN - DCA
1 stop22h 13mAlaska Airlines
Wed 12/118:00 amDCA - HLN
1 stop9h 29mAlaska Airlines
Deal found 10/22$499
This United deal was found by Cheapflights users on 10/22. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/52:32 pmHLN - DCA
1 stop22h 27mUnited Airlines
Sat 11/94:13 pmDCA - HLN
1 stop23h 44mUnited Airlines
Deal found 10/22$635
This Delta deal was found by Cheapflights users on 10/22. 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.
Mon 12/91:00 pmHLN - BWI
2 stops9h 38mDelta
Thu 12/1212:30 pmBWI - HLN
2 stops12h 30mDelta
Deal found 10/22$740

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

Customize your flight search to find flights from Helena to Washington, D.C. 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 2,499,819 searches. Data last updated October 23, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$364 - $505

Route

Depart

Return

Price

HelenaWashington, D.C. Dulles Intl

HLN - IAD

HLNIAD

Helena

Mon 12/9

1 stop8h 49m

Washington, D.C. Dulles Intl

Wed 12/11

1 stop7h 25m

$364

HelenaBaltimore/Washington

HLN - BWI

HLNBWI

Helena

Sat 1/18

1 stop8h 45m

Baltimore/Washington

Sat 1/25

1 stop7h 18m

$384

HelenaWashington, D.C. Dulles Intl

HLN - IAD

HLNIAD

Helena

Mon 12/9

1 stop20h 47m

Washington, D.C. Dulles Intl

Thu 12/12

2 stops31h 55m

$449

HelenaBaltimore/Washington

HLN - BWI

HLNBWI

Helena

Mon 12/9

1 stop11h 23m

Baltimore/Washington

Thu 12/12

1 stop22h 09m

$468

HelenaWashington, D.C. Dulles Intl

HLN - IAD

HLNIAD

Helena

Thu 11/21

1 stop6h 46m

Washington, D.C. Dulles Intl

Wed 11/27

1 stop7h 32m

$474

HelenaWashington, D.C. Reagan-National

HLN - DCA

HLNDCA

Helena

Thu 11/21

2 stops11h 10m

Washington, D.C. Reagan-National

Wed 11/27

1 stop7h 27m

$476

HelenaBaltimore/Washington

HLN - BWI

HLNBWI

Helena

Thu 11/21

1 stop12h 44m

Baltimore/Washington

Wed 11/27

1 stop9h 27m

$492

HelenaWashington, D.C. Reagan-National

HLN - DCA

HLNDCA

Helena

Mon 12/9

1 stop22h 13m

Washington, D.C. Reagan-National

Wed 12/11

1 stop9h 29m

$499

HelenaWashington, D.C. Reagan-National

HLN - DCA

HLNDCA

Helena

Sat 1/18

2 stops15h 14m

Washington, D.C. Reagan-National

Sat 1/25

1 stop23h 28m

$505

Flights are sorted by cheapest first

Deals found on 10/22

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 January is currently the most expensive (average of $272). 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?

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 October 23, 2024.

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 23% on your trip compared to booking a flight in the morning.

Rainfall in Washington, D.C. by month

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

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

Get insights into the airlines that provide service to Washington, D.C.. 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 Washington, D.C.. Reviews last updated October 23, 2024.
Read reviews from past customers who have flown Delta, Alaska Airlines and United Airlines 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
9,411 reviews

Boarding

8.2

Entertainment

7.1

Overall

8.0

Crew

8.6

Comfort

7.9

Food

7.2

Reviews

1 / 10

Service was good. We pre-ordered a snack but never made it to us.

Alaska Airlines
8.0
Very good
9,411 reviews
Alaska Airlines
8.0
Very good
9,411 reviews

Boarding

8.2

Entertainment

7.1

Overall

8.0

Crew

8.6

Comfort

7.9

Food

7.2

Reviews

1 / 10

Service was good. We pre-ordered a snack but never made it to us.

Delta
8.0
Very good
8,885 reviews
Alaska Airlines
8.0
Very good
9,411 reviews

Boarding

8.2

Entertainment

7.1

Overall

8.0

Crew

8.6

Comfort

7.9

Food

7.2

Reviews

1 / 10

Service was good. We pre-ordered a snack but never made it to us.

United Airlines
7.4
Good
9,283 reviews
Alaska Airlines
8.0
Very good
9,411 reviews

Boarding

8.2

Entertainment

7.1

Overall

8.0

Crew

8.6

Comfort

7.9

Food

7.2

Reviews

1 / 10

Service was good. We pre-ordered a snack but never made it to us.

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.?

    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 flights from Helena to Washington, D.C. for under $400 on Cheapflights?

    Yes, there are multiple flights from Helena to Washington, D.C. for under $400. The cheapest flight booked recently is on Delta for just $364, but on average you can expect to pay $456.

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

    According to our current data, Delta ($364), Alaska Airlines ($449), and United Airlines ($474) 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 cheapest airlines to fly from Helena to Washington, D.C. one-way?

    The cheapest airline one-way is Delta, with whom users have recently found tickets for as low as $521. However, be on the lookout for offers from Alaska Airlines and United Airlines, as they are both options that can get you from Helena to Washington, D.C. for a low price.

  • 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 does HLN to BWI mean?

    HLN and BWI are unique codes to identify airports used in the aviation industry. They are defined by IATA (International Air Transport Association) and are commonly called IATA codes. HLN to BWI refers to a flight route from Helena Airport to Baltimore/Washington Airport. This flight route has multiple associated airports, so we think it might be helpful to learn the name and codes of them as well. They are Washington, D.C. Dulles Intl Airport (IAD), Washington, D.C. Reagan-National Airport (DCA).

  • Can I find deals for flights from Helena to Washington, D.C. that include extra baggage allowance?

    The amount of baggage you can bring on your Helena to Washington, D.C. flight depends on the airline and the type of fare you've chosen. After entering your flight details, you'll be able to view the specific baggage policies for each deal in the search results. Keep in mind that certain deals may offer additional baggage allowance.

  • Can I find deals on flights from Helena to Washington, D.C. with specific airlines?

    Yes, Cheapflights allows you to browse and filter Helena to Washington, D.C. flight deals by airline. After entering your origin and destination, use the available filters to view flights offered by airlines.

  • 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.

  • Can I find deals for flights from Helena to Washington, D.C. that allow pets onboard?

    Many airlines flying from Helena to Washington, D.C. offer the option to travel with pets. After selecting a flight deal, you can find more information about the airline's pet policy on their official website or by contacting the airline directly. Please note that additional fees and restrictions may apply.

  • Can I find deals on last-minute flights from Helena to Washington, D.C.?

    Yes, you can often find last-minute deals on Helena to Washington, D.C. flights on Cheapflights. However, these deals can vary and may not always be available. We recommend checking back frequently or signing up for price alerts for the most up-to-date deals.

  • How recently were the Helena to Washington, D.C. flight deals updated?

    The Helena to Washington, D.C. flight deals you see on this page were last updated on 10/22.

  • 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 January is currently the most expensive (average of $272). 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

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

Discover the top 2 airlines that operate flights from Helena to Washington, D.C.. 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 2,499,819 searches. Data last updated October 23, 2024.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$434Average$768FlexibilityNo cancel feeOn-time69%
DeltaCheapest$468Average$837FlexibilityNo cancel feeOn-timeN/A
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