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Helena

$226+ 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 9/5. Fares are subject to change and may not be available on all flights or dates of travel.
BWI — HLN
Jul 16 — Jul 231
Wed 7/16
Wed 7/23
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 July 11, 2025.

Round-trip from

$338
(Alaska Airlines)

One-way from

$226
(Alaska Airlines)

Popular in

December

Cheapest in

February

Average price

$761
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. 6% potential increase in price ($40 potential increase over avg. RT price).
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Cheapest flight prices on average. 7% potential price decrease ($44 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 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 July 11, 2025.

This Alaska Airlines deal was found by Cheapflights users on 7/11. 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.
Tue 9/97:00 amBWI - HLN
1 stop10h 21mAlaska Airlines
Tue 9/164:02 pmHLN - BWI
1 stop11h 37mAlaska Airlines
Deal found 7/11$318
This Hawaiian Airlines deal was found by Cheapflights users on 7/10. 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 Hawaiian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/47:51 amBWI - HLN
1 stop11h 50mHawaiian Airlines
Tue 10/76:18 pmHLN - BWI
1 stop9h 54mHawaiian Airlines
Deal found 7/10$384
This Delta deal was found by Cheapflights users on 7/11. 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.
Tue 9/97:15 amBWI - HLN
1 stop7h 05mDelta
Tue 9/165:45 amHLN - BWI
2 stops10h 32mDelta
Deal found 7/11$407
This United Airlines deal was found by Cheapflights users on 7/9. 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 stop6h 39mUnited Airlines
Tue 10/72:44 pmHLN - BWI
1 stop6h 34mUnited Airlines
Deal found 7/9$417

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 July 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

Thu 9/18

7:37 pm-3:21 pm

1 stop21h 44m

Helena

Wed 9/24

4:02 pm-5:39 am

1 stop11h 37m

$338

BaltimoreHelena

BWI - HLN

BWIHLN

Baltimore/Washington

Sat 10/4

4:21 pm-9:00 pm

1 stop6h 39m

Helena

Tue 10/7

2:44 pm-11:18 pm

1 stop6h 34m

$417

BaltimoreHelena

BWI - HLN

BWIHLN

Baltimore/Washington

Sat 10/4

7:51 am-5:41 pm

1 stop11h 50m

Helena

Tue 10/7

6:18 pm-6:12 am

1 stop9h 54m

$443

BaltimoreHelena

BWI - HLN

BWIHLN

Baltimore/Washington

Thu 9/4

7:15 am-12:20 pm

1 stop7h 05m

Helena

Tue 9/16

5:45 am-8:34 pm

2 stops12h 49m

$479

BaltimoreHelena

BWI - HLN

BWIHLN

Baltimore/Washington

Fri 9/5

7:37 pm-3:21 pm

1 stop21h 44m

$226

BaltimoreHelena

BWI - HLN

BWIHLN

Baltimore/Washington

Fri 9/5

6:00 am-12:20 pm

2 stops8h 20m

$256

BaltimoreHelena

BWI - HLN

BWIHLN

Baltimore/Washington

Fri 9/5

6:40 pm-9:11 pm

3 stops28h 31m

$325

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/9

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 $534). 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 July 11, 2025.
See what other customers who have flown with Alaska Airlines, Delta, and Hawaiian 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.
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Overall

8.0

Boarding

8.1

Comfort

7.8

Entertainment

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Overall

8.0

Boarding

8.1

Comfort

7.8

Entertainment

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Delta
8.0
Very good
7,952 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Overall

8.0

Boarding

8.1

Comfort

7.8

Entertainment

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Hawaiian Airlines
7.8
Good
2,561 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Overall

8.0

Boarding

8.1

Comfort

7.8

Entertainment

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
United Airlines
7.4
Good
8,846 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Overall

8.0

Boarding

8.1

Comfort

7.8

Entertainment

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

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 $338, Alaska Airlines will fly you from Baltimore to Helena and back. In addition to Alaska Airlines, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from United Airlines and Hawaiian Airlines - these airlines can fly you to your destination from $417 and $443, respectively. Users have found that Alaska Airlines is 45% 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 $226. However, be on the lookout for offers from Delta 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 $534). 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 July 11, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$412Average$698FlexibilityNo cancel feeOn-time69%

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