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Helena

$251+ 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 11/21. Fares are subject to change and may not be available on all flights or dates of travel.
BWI — HLN
Oct 11 — Oct 181
Sat 10/11
Sat 10/18
1 adult, Economy
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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 September 11, 2025.

Round-trip from

$441
(Alaska Airlines)

One-way from

$251
(Alaska Airlines)

Popular in

December

Cheapest in

February

Average price

$1,002
From Baltimore/Washington to Helena
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One-way flight from Baltimore/Washington to Helena
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Highest demand for flights based on searches. 1% potential increase in price ($10 potential increase over avg. RT price).
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Cheapest flight prices on average. 6% potential price decrease ($40 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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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 September 11, 2025.

This Alaska Airlines deal was found by Cheapflights users on 9/11. 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.
Fri 10/177:51 amBWI - HLN
1 stop11h 50mAlaska Airlines
Tue 10/216:18 pmHLN - BWI
1 stop9h 54mAlaska Airlines
Deal found 9/11$441
This United Airlines deal was found by Cheapflights users on 9/11. 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.
Sat 10/44:21 pmBWI - HLN
1 stop7h 53mUnited Airlines
Tue 10/72:44 pmHLN - BWI
1 stop6h 34mUnited Airlines
Deal found 9/11$447
This United Airlines deal was found by Cheapflights users on 9/11. 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.
Sat 10/410:10 amBWI - HLN
1 stop8h 30mUnited Airlines
Mon 10/65:18 pmHLN - BWI
1 stop28h 00mUnited Airlines
Deal found 9/11$490
This United Airlines deal was found by Cheapflights users on 9/10. 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.
Sun 10/58:32 amBWI - HLN
1 stop7h 37mUnited Airlines
Wed 10/82:44 pmHLN - BWI
1 stop6h 34mUnited Airlines
Deal found 9/10$503
This Delta deal was found by Cheapflights users on 9/11. 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 10/177:15 amBWI - HLN
1 stop7h 05mDelta
Tue 10/211:00 pmHLN - BWI
2 stops9h 41mDelta
Deal found 9/11$510
This Alaska Airlines deal was found by Cheapflights users on 9/10. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/167:51 amBWI - HLN
1 stop11h 50mAlaska Airlines
Sun 10/196:18 pmHLN - BWI
1 stop20h 54mAlaska Airlines
Deal found 9/10$607
This United Airlines deal was found by Cheapflights users on 9/11. 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.
Fri 9/264:21 pmBWI - HLN
1 stop22h 53mUnited Airlines
Tue 9/305:18 pmHLN - BWI
1 stop28h 00mUnited Airlines
Deal found 9/11$631

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 September 11, 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

Fri 10/17

7:51 am-5:41 pm

1 stop11h 50m

Helena

Tue 10/21

6:18 pm-6:12 am

1 stop9h 54m

$441

BaltimoreHelena

BWI - HLN

BWIHLN

Baltimore/Washington

Sat 10/4

4:21 pm-10:14 pm

1 stop7h 53m

Helena

Tue 10/7

2:44 pm-11:18 pm

1 stop6h 34m

$447

BaltimoreHelena

BWI - HLN

BWIHLN

Baltimore/Washington

Sat 10/4

10:10 am-4:40 pm

1 stop8h 30m

Helena

Mon 10/6

5:18 pm-11:18 pm

1 stop28h 00m

$490

BaltimoreHelena

BWI - HLN

BWIHLN

Baltimore/Washington

Sun 10/5

8:32 am-2:09 pm

1 stop7h 37m

Helena

Wed 10/8

2:44 pm-11:18 pm

1 stop6h 34m

$503

BaltimoreHelena

BWI - HLN

BWIHLN

Baltimore/Washington

Fri 10/17

7:15 am-12:20 pm

1 stop7h 05m

Helena

Tue 10/21

1:00 pm-12:41 am

2 stops9h 41m

$510

BaltimoreHelena

BWI - HLN

BWIHLN

Baltimore/Washington

Thu 10/16

7:51 am-5:41 pm

1 stop11h 50m

Helena

Sun 10/19

6:18 pm-5:12 pm

1 stop20h 54m

$607

BaltimoreHelena

BWI - HLN

BWIHLN

Baltimore/Washington

Fri 9/26

4:21 pm-1:14 pm

1 stop22h 53m

Helena

Tue 9/30

5:18 pm-11:18 pm

1 stop28h 00m

$631

BaltimoreHelena

BWI - HLN

BWIHLN

Baltimore/Washington

Thu 9/25

10:10 am-9:00 pm

1 stop12h 50m

Helena

Mon 9/29

2:44 pm-11:18 pm

1 stop6h 34m

$753

BaltimoreHelena

BWI - HLN

BWIHLN

Baltimore/Washington

Fri 11/21

7:00 am-6:52 pm

1 stop13h 52m

$251

BaltimoreHelena

BWI - HLN

BWIHLN

Baltimore/Washington

Sat 12/20

4:05 pm-9:31 pm

1 stop7h 26m

$312

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/10

Showing 1-10 of 17 results
1
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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 May is currently the most expensive (average of $517). 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.

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 September 11, 2025.
See what other customers who have flown with United Airlines from Baltimore to Helena have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
8,937 reviews

Crew

8.1

Overall

7.4

Entertainment

7.1

Comfort

7.3

Food

6.6

Boarding

7.7

Reviews

1 / 20
2.0
Mediocre

Deb,Jan 2025

MKE - ORD

It was terrible! So much to say, but in a nutshell we used vouchers from United because our last trip with them was awful with many mishaps and errors made. Unfortunately, this trip was even worse!
United Airlines
7.4
Good
8,937 reviews
United Airlines
7.4
Good
8,937 reviews

Crew

8.1

Overall

7.4

Entertainment

7.1

Comfort

7.3

Food

6.6

Boarding

7.7

Reviews

1 / 20
2.0
Mediocre

Deb,Jan 2025

MKE - ORD

It was terrible! So much to say, but in a nutshell we used vouchers from United because our last trip with them was awful with many mishaps and errors made. Unfortunately, this trip was even worse!

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.

  • How long is the flight from Baltimore to Helena?

    Alaska Airlines, United Airlines, and Delta can get you from Baltimore to Helena in just under 7h 05m. Your travel time can differ by up to 4h 45m. Airlines will cover a distance of 1842 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What is the cheapest airline to fly from Baltimore to Helena round-trip?

    Currently priced at $412, United Airlines will fly you from Baltimore to Helena and back. In addition to United Airlines, many other airlines offer competitively priced options for your trip. Users have found that United Airlines is 37% 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 Alaska Airlines, with whom users have recently found tickets for as low as $251. However, be on the lookout for offers from United Airlines and Hawaiian 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 May is currently the most expensive (average of $517). 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 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 September 11, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$412Average$799FlexibilityNo cancel feeOn-time69%

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