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$298+ 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 7/11. Fares are subject to change and may not be available on all flights or dates of travel.
HLN — BWI
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
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 June 12, 2025.

Round-trip from

$516
(Delta)

One-way from

$298
(United Airlines)

Popular in

June

Cheapest in

April

Average price

$1,273
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 June 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 June 12, 2025.

This Delta deal was found by Cheapflights users on 6/10. 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.
Fri 10/315:40 amHLN - BWI
2 stops9h 24mDelta
Sun 11/27:15 amBWI - HLN
1 stop7h 09mDelta
Deal found 6/10$516
This United Airlines deal was found by Cheapflights users on 6/10. 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 10/306:40 amHLN - BWI
1 stop10h 41mUnited Airlines
Sun 11/28:20 amBWI - HLN
1 stop7h 07mUnited Airlines
Deal found 6/10$569

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 June 12, 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

Fri 10/31

5:40 am-5:04 pm

2 stops9h 24m

Baltimore/Washington

Sun 11/2

7:15 am-12:24 pm

1 stop7h 09m

$516

HelenaBaltimore

HLN - BWI

HLNBWI

Helena

Thu 10/30

6:40 am-7:21 pm

1 stop10h 41m

Baltimore/Washington

Sun 11/2

8:20 am-1:27 pm

1 stop7h 07m

$569

HelenaBaltimore

HLN - BWI

HLNBWI

Helena

Fri 7/11

2:34 pm-11:17 pm

1 stop6h 43m

$298

HelenaBaltimore

HLN - BWI

HLNBWI

Helena

Sat 7/12

1:00 pm-12:54 am

2 stops9h 54m

$855

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/11

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 June 12, 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.

Rainfall in Baltimore by month

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

In terms of precipitation, rainfall in Baltimore ranges from 2.9 - 4.1 inches per month. July is typically the wettest month, when rainfall can reach 4.1 in. February is typically the driest time to visit Baltimore when rainfall is around 2.9 in.

Temperature in Baltimore by month

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

If weather is an important factor for your trip to Baltimore, 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 77.0 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 33.8 F).

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 June 12, 2025.
Read through reviews of airlines operating flights from Helena to Baltimore, such as Delta and United Airlines. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,946 reviews

Overall

8.0

Entertainment

7.9

Comfort

7.9

Food

7.3

Boarding

8.2

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,946 reviews
Delta
8.0
Very good
7,946 reviews

Overall

8.0

Entertainment

7.9

Comfort

7.9

Food

7.3

Boarding

8.2

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
United Airlines
7.4
Good
8,790 reviews
Delta
8.0
Very good
7,946 reviews

Overall

8.0

Entertainment

7.9

Comfort

7.9

Food

7.3

Boarding

8.2

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

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 Delta. Our recent data shows that you can find tickets from as low as $516 on this airline. An additional option worth looking into is United Airlines, starting at $569. Delta is 24% cheaper than the average price of flights available within the next 90 days to this destination.

  • 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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