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$251+ Cheap flights from Helena to Baltimore (HLN - BWI)

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 9/3. Fares are subject to change and may not be available on all flights or dates of travel.
HLN — BWI
Aug 3 — Aug 101
Sun 8/3
Sun 8/10
1 adult, Economy
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Cheap flight deals from Helena to Baltimore

Discover tips and strategies to find the most affordable flight options for your journey from Helena (HLN) to Baltimore (BWI). 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 July 29, 2025.

Round-trip from

$534
(Alaska Airlines)

One-way from

$251
(United Airlines)

Popular in

June

Cheapest in

April

Average price

$333
From Helena to Baltimore/Washington
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One-way flight from Helena to Baltimore/Washington
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Highest demand for flights based on searches. 30% potential increase in price ($293 potential increase over avg. RT price).
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Cheapest flight prices on average. 10% potential price decrease ($66 potential savings vs. average RT price).
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Average for round-trip flights in July 2025
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Find flight deals from Helena to Baltimore

Cheapest flights from Helena to Baltimore
Explore the most affordable flight options available from Helena to Baltimore. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 29, 2025.

This United Airlines deal was found by Cheapflights users on 7/29. 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.
Wed 11/122:22 pmHLN - BWI
1 stop6h 35mUnited Airlines
Sat 11/154:12 pmBWI - HLN
1 stop7h 10mUnited Airlines
Deal found 7/29$411
This Delta deal was found by Cheapflights users on 7/29. 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.
Wed 11/125:40 amHLN - BWI
2 stops9h 19mDelta
Sat 11/157:15 amBWI - HLN
1 stop7h 09mDelta
Deal found 7/29$416
This Alaska Airlines deal was found by Cheapflights users on 7/29. 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.
Thu 11/66:13 pmHLN - BWI
1 stop10h 05mAlaska Airlines
Sun 11/97:38 amBWI - HLN
1 stop11h 58mAlaska Airlines
Deal found 7/29$526

Cheapflights Fare Finder

 
Customize your flight search to find flights from Helena to Baltimore 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 July 29, 2025.
Use the filters below to find and compare flights from Helena to Baltimore that are best for you.

Fly from

Helena

Fly to

Baltimore

Route

Depart

Return

Price

HelenaBaltimore

HLN - BWI

HLNBWI

Helena

Wed 9/3

4:02 pm-5:39 am

1 stop11h 37m

Baltimore/Washington

Mon 9/8

7:37 pm-3:21 pm

1 stop21h 44m

$534

HelenaBaltimore

HLN - BWI

HLNBWI

Helena

Wed 9/3

5:50 am-9:15 pm

2 stops13h 25m

Baltimore/Washington

Mon 9/8

7:15 am-12:20 pm

1 stop7h 05m

$545

HelenaBaltimore

HLN - BWI

HLNBWI

Helena

Sun 8/24

5:20 pm-11:17 pm

1 stop27h 57m

Baltimore/Washington

Sun 8/31

10:10 am-9:11 pm

1 stop13h 01m

$620

HelenaBaltimore

HLN - BWI

HLNBWI

Helena

Wed 9/3

2:30 pm-11:17 pm

1 stop6h 47m

$251

HelenaBaltimore

HLN - BWI

HLNBWI

Helena

Wed 9/3

1:00 pm-12:23 am

2 stops9h 23m

$264

HelenaBaltimore

HLN - BWI

HLNBWI

Helena

Wed 9/3

4:02 pm-5:39 am

1 stop11h 37m

$278

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/29

Best time to book a flight from Helena to Baltimore

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

Cheapflights Insights

Everything you need to know about your flight from Helena to Baltimore

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

Currently, August is the cheapest month in which you can book a flight from Helena to Baltimore (average of $241). Flying from Helena to Baltimore 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 BWI?

Find hourly flight availability from Helena to Baltimore. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated July 29, 2025.

It’s typically best to fly out from Helena to Baltimore at noon. Doing so could potentially save you 33% on the flight price compared to flying in the morning, which is usually more expensive.

Reviews of airlines servicing Baltimore

Get insights into the airlines that provide service to Baltimore. 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 Baltimore. Reviews last updated July 29, 2025.
Get a feel of what it's like to fly with Alaska Airlines, Delta, and United Airlines from Helena to Baltimore by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Boarding

8.1

Crew

8.5

Entertainment

7.1

Food

7.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Boarding

8.1

Crew

8.5

Entertainment

7.1

Food

7.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
Delta
8.0
Very good
7,977 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Boarding

8.1

Crew

8.5

Entertainment

7.1

Food

7.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
United Airlines
7.4
Good
8,899 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Boarding

8.1

Crew

8.5

Entertainment

7.1

Food

7.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.

Related info for your journey

Find useful and relevant information for your journey from Helena to Baltimore. 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 Helena to Baltimore round-trip?

    Our cheapest airline available from Helena to Baltimore is Alaska Airlines. Our recent data shows that you can find tickets from as low as $534 on this airline. Additional options worth looking into are Delta and United Airlines, starting at $545 and $620 round-trip. Alaska Airlines is 21% cheaper than the average price of flights available within the next 90 days to this destination.

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

    To fly one-way, consider booking your trip with United Airlines, which is currently one of the cheapest options available, starting at $251. Delta flights start at $264 while deals on Alaska Airlines start at $278 one-way.

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

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

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

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

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

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

    Currently, August is the cheapest month in which you can book a flight from Helena to Baltimore (average of $241). Flying from Helena to Baltimore 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

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