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$249+ 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 10/28. Fares are subject to change and may not be available on all flights or dates of travel.
HLN — BWI
Oct 11 — Oct 181
Sat 10/11
Sat 10/18
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 September 11, 2025.

Round-trip from

$494
(Delta)

One-way from

$249
(United Airlines)

Popular in

June

Cheapest in

April

Average price

$514
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 September 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 September 11, 2025.

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.
Sat 11/221:06 pmHLN - BWI
2 stops9h 22mDelta
Wed 11/267:15 amBWI - HLN
1 stop7h 11mDelta
Deal found 9/11$522
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 11/66:13 pmHLN - BWI
1 stop10h 05mAlaska Airlines
Sun 11/97:38 amBWI - HLN
1 stop11h 58mAlaska Airlines
Deal found 9/10$526
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 9/272:00 pmHLN - BWI
1 stop7h 18mUnited Airlines
Sat 10/48:16 amBWI - HLN
1 stop7h 51mUnited Airlines
Deal found 9/11$562
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 11/222:22 pmHLN - BWI
1 stop6h 35mUnited Airlines
Wed 11/268:15 amBWI - HLN
1 stop7h 12mUnited Airlines
Deal found 9/11$605
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.
Thu 11/62:22 pmHLN - BWI
1 stop22h 48mUnited Airlines
Sun 11/95:12 pmBWI - HLN
2 stops30h 10mUnited Airlines
Deal found 9/10$608
This United Airlines deal was found by Cheapflights users on 9/9. 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.
Wed 11/262:22 pmHLN - BWI
1 stop6h 35mUnited Airlines
Fri 11/288:15 amBWI - HLN
1 stop7h 12mUnited Airlines
Deal found 9/9$647
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.
Tue 11/252:22 pmHLN - BWI
1 stop6h 35mUnited Airlines
Fri 11/288:15 amBWI - HLN
1 stop7h 12mUnited Airlines
Deal found 9/11$707
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.
Sat 9/271:00 pmHLN - BWI
2 stops9h 28mDelta
Sat 10/412:23 pmBWI - HLN
2 stops11h 51mDelta
Deal found 9/11$711

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 September 11, 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 3/6

12:50 pm-11:42 pm

1 stop8h 52m

Baltimore/Washington

Tue 3/10

7:10 am-12:27 pm

1 stop7h 17m

$494

HelenaBaltimore

HLN - BWI

HLNBWI

Helena

Sat 11/22

1:06 pm-12:28 am

2 stops9h 22m

Baltimore/Washington

Wed 11/26

7:15 am-12:26 pm

1 stop7h 11m

$522

HelenaBaltimore

HLN - BWI

HLNBWI

Helena

Sat 9/27

2:00 pm-11:18 pm

1 stop7h 18m

Baltimore/Washington

Sat 10/4

6:29 am-4:40 pm

2 stops12h 11m

$567

HelenaBaltimore

HLN - BWI

HLNBWI

Helena

Sat 11/22

2:22 pm-10:57 pm

1 stop6h 35m

Baltimore/Washington

Wed 11/26

8:15 am-1:27 pm

1 stop7h 12m

$605

HelenaBaltimore

HLN - BWI

HLNBWI

Helena

Thu 11/6

2:22 pm-3:10 pm

1 stop22h 48m

Baltimore/Washington

Sun 11/9

5:12 pm-9:22 pm

2 stops30h 10m

$608

HelenaBaltimore

HLN - BWI

HLNBWI

Helena

Wed 11/26

2:22 pm-10:57 pm

1 stop6h 35m

Baltimore/Washington

Fri 11/28

8:15 am-1:27 pm

1 stop7h 12m

$647

HelenaBaltimore

HLN - BWI

HLNBWI

Helena

Tue 11/25

2:22 pm-10:57 pm

1 stop6h 35m

Baltimore/Washington

Fri 11/28

8:15 am-1:27 pm

1 stop7h 12m

$707

HelenaBaltimore

HLN - BWI

HLNBWI

Helena

Tue 10/28

2:22 pm-10:57 pm

1 stop6h 35m

$249

HelenaBaltimore

HLN - BWI

HLNBWI

Helena

Sun 1/4

2:26 pm-11:16 pm

1 stop6h 50m

$267

HelenaBaltimore

HLN - BWI

HLNBWI

Helena

Sun 1/4

6:32 pm-5:44 am

1 stop9h 12m

$268

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/9

Showing 1-10 of 14 results
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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 September 11, 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.

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.

  • How long is the flight from Helena to Baltimore?

    A quick flight from Helena to Baltimore can take about 8h 52m. Delta provides one of the quickest options available for as low as $494. The distance between Helena and Baltimore is about 1842 mi.

  • 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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