HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Helena

$239+ Cheap flights from Baltimore to Helena (BWI - 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 8/5. Fares are subject to change and may not be available on all flights or dates of travel.
BWI — HLN
Apr 20 — Apr 271
Sun 4/20
Sun 4/27
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Baltimore 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 Baltimore to Helena

Discover tips and strategies to find the most affordable flight options for your journey from Baltimore (BWI) to Helena (HLN). 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 April 15, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$564
(Delta)

One-way from

$241
(Delta)

Popular in

December

Cheapest in

February

Average price

$409
Provider with most accurate pricing for Baltimore/Washington-Helena flight deals.
Search Deals
Provider most trusted by Cheapflights users for Baltimore/Washington-Helena flights.
Search Deals
From Baltimore/Washington to Helena
Search Deals
One-way flight from Baltimore/Washington to Helena
Search Deals
Highest demand for flights based on searches. 1% potential increase in price ($9 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($37 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in April 2025
Search Deals

Find flight deals from Baltimore to Helena

Cheapest flights from Baltimore to Helena
Explore the most affordable flight options available from Baltimore to Helena. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 15, 2025.

This Alaska Airlines deal was found by Cheapflights users on 4/15. 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.
Thu 9/47:17 pmBWI - HLN
1 stop22h 17mAlaska Airlines
Mon 9/84:11 pmHLN - BWI
1 stop12h 20mAlaska Airlines
Deal found 4/15$492
This United Airlines deal was found by Cheapflights users on 4/14. 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.
Tue 8/128:10 amBWI - HLN
1 stop15h 05mUnited Airlines
Fri 8/225:20 pmHLN - BWI
1 stop10h 05mUnited Airlines
Deal found 4/14$537
This Delta deal was found by Cheapflights users on 4/14. 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.
Wed 8/137:20 amBWI - HLN
1 stop7h 15mDelta
Sun 8/171:03 pmHLN - BWI
1 stop15h 03mDelta
Deal found 4/14$561
This United deal was found by Cheapflights users on 4/15. 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.
Thu 6/56:40 amBWI - HLN
2 stops12h 15mMultiple Airlines
Sun 6/84:11 pmHLN - BWI
1 stop12h 18mMultiple Airlines
Deal found 4/15$881

Cheapflights Fare Finder

Customize your flight search to find flights from Baltimore 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 April 15, 2025.
Use the filters below to find and compare flights from Baltimore to Helena that are best for you.

Fly from

Baltimore

Fly to

Helena

Route

Depart

Return

Price

BaltimoreHelena

BWI - HLN

BWIHLN

Baltimore/Washington

Thu 9/4

7:17 pm-3:34 pm

1 stop22h 17m

Helena

Mon 9/8

4:11 pm-6:31 am

1 stop12h 20m

$492

BaltimoreHelena

BWI - HLN

BWIHLN

Baltimore/Washington

Tue 8/12

8:10 am-9:15 pm

1 stop15h 05m

Helena

Thu 8/21

2:04 pm-5:25 am

1 stop13h 21m

$537

BaltimoreHelena

BWI - HLN

BWIHLN

Baltimore/Washington

Wed 8/13

7:20 am-12:35 pm

1 stop7h 15m

Helena

Sun 8/17

1:03 pm-6:06 am

1 stop15h 03m

$561

BaltimoreHelena

BWI - HLN

BWIHLN

Baltimore/Washington

Thu 6/5

6:40 am-4:55 pm

2 stops12h 15m

Helena

Sun 6/8

4:11 pm-6:29 am

1 stop12h 18m

$881

BaltimoreHelena

BWI - HLN

BWIHLN

Baltimore/Washington

Tue 8/5

7:20 am-12:35 pm

1 stop7h 15m

$239

BaltimoreHelena

BWI - HLN

BWIHLN

Baltimore/Washington

Mon 6/16

7:10 pm-3:31 pm

1 stop22h 21m

$288

BaltimoreHelena

BWI - HLN

BWIHLN

Baltimore/Washington

Wed 8/6

10:59 am-9:15 pm

2 stops12h 16m

$380

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/15

Compare providers for flights from Baltimore to Helena

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Baltimore to Helena in April.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*2 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Baltimore-Helena flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Baltimore-Helena flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Baltimore-Helena flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Baltimore-Helena flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Baltimore-Helena flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Baltimore to Helena

Have a flexible travel schedule? Discover the best time to fly to Helena from Baltimore 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 Baltimore to Helena

What is the cheapest month to book a flight from Baltimore to Helena?

Currently, February is the cheapest month in which you can book a flight from Baltimore to Helena (average of $353). Flying from Baltimore to Helena in July is currently the most expensive (average of $607). 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 April 15, 2025.
Alaska Airlines
8.0
Very good
9,876 reviews

Overall

8.0

Boarding

8.2

Entertainment

7.1

Crew

8.5

Comfort

7.9

Food

7.1

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
Alaska Airlines
8.0
Very good
9,876 reviews
Alaska Airlines
8.0
Very good
9,876 reviews

Overall

8.0

Boarding

8.2

Entertainment

7.1

Crew

8.5

Comfort

7.9

Food

7.1

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
Delta
8.0
Very good
7,917 reviews
Alaska Airlines
8.0
Very good
9,876 reviews

Overall

8.0

Boarding

8.2

Entertainment

7.1

Crew

8.5

Comfort

7.9

Food

7.1

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
United Airlines
7.4
Good
8,658 reviews
Alaska Airlines
8.0
Very good
9,876 reviews

Overall

8.0

Boarding

8.2

Entertainment

7.1

Crew

8.5

Comfort

7.9

Food

7.1

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >

Related info for your journey

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

  • What are the cheapest airlines flying from Baltimore to Helena round-trip?

    Currently priced at $564, Delta will fly you from Baltimore to Helena and back. In addition to Delta, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Alaska Airlines and United Airlines - these airlines can fly you to your destination from $617 and $683, respectively. Users have found that Delta is 13% cheaper than the other options available to this destination.

  • What are the cheapest airlines to fly from Baltimore to Helena one-way?

    The cheapest airline one-way is Delta, with whom users have recently found tickets for as low as $241. However, be on the lookout for offers from Alaska Airlines and United Airlines, as they are both options that can get you from Baltimore to Helena for a low price.

  • Can I find deals for flights from Baltimore to Helena that include hotel bookings?

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

  • How can I find direct flights from Baltimore to Helena?

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

  • Can I find deals for business class flights from Baltimore to Helena?

    Yes. Cheapflights offers flight deals from Baltimore 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 Baltimore to Helena?

    Currently, February is the cheapest month in which you can book a flight from Baltimore to Helena (average of $353). Flying from Baltimore to Helena in July is currently the most expensive (average of $607). 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 Baltimore to Helena

See prices for flight routes from nearby airports that may be better suited for you.
Dulles Intl to Bozeman flights
Baltimore to Bozeman flights
Reagan-National to Bozeman flights
Philadelphia to Bozeman flights
Dulles Intl to Kalispell flights
Philadelphia to Kalispell flights
Reagan-National to Kalispell flights
Baltimore to Kalispell flights
Dulles Intl to Missoula flights
Baltimore to Missoula flights
Reagan-National to Missoula flights
Dulles Intl to Billings flights
Philadelphia to Missoula flights
Baltimore to Billings flights
Dulles Intl to Great Falls flights
Baltimore to Great Falls flights
Reagan-National to Billings flights
Dulles Intl to Helena flights
Philadelphia to Cody flights
Reagan-National to Great Falls flights
Baltimore to Cody flights
Dulles Intl to Cody flights
Philadelphia to Billings flights
Philadelphia to Great Falls flights
Baltimore to Butte flights
Reagan-National to Helena flights
Reagan-National to Cody flights
Baltimore to West Yellowstone flights
Dulles Intl to West Yellowstone flights
Reagan-National to West Yellowstone flights
Dulles Intl to Butte flights
Philadelphia to Helena flights
Philadelphia to Butte flights
Philadelphia to West Yellowstone flights
Dulles Intl to Sidney flights
Reagan-National to Butte flights

Top airline flying from Baltimore to Helena

Discover the top airline that operate flights from Baltimore 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 April 15, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$412Average$698FlexibilityNo 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.