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$442+ 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 8/22. Fares are subject to change and may not be available on all flights or dates of travel.
HLN — BWI
Aug 29 — Sep 51
Sat 8/29
Sat 9/5
1 adult, Economy
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Cheap 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 30, 2026.

This United Airlines deal was found by Cheapflights users on 7/27. 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 10/316:28 am
HLN
-
BWI
1 stop6h 45m
United Airlines
Wed 11/44:19 pm
BWI
-
HLN
1 stop7h 12m
United Airlines
Deal found 7/27$459
This Delta deal was found by Cheapflights users on 7/26. 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 8/255:40 am
HLN
-
BWI
2 stops13h 47m
Delta
Tue 9/17:39 am
BWI
-
HLN
1 stop6h 36m
Delta
Deal found 7/26$503
This Alaska Airlines deal was found by Cheapflights users on 7/26. 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 8/255:11 pm
HLN
-
BWI
1 stop11h 19m
Alaska Airlines
Tue 9/17:50 am
BWI
-
HLN
1 stop10h 44m
Alaska Airlines
Deal found 7/26$513
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.
Fri 8/146:15 am
HLN
-
BWI
1 stop6h 57m
United Airlines
Tue 8/184:18 pm
BWI
-
HLN
1 stop7h 12m
United Airlines
Deal found 7/29$544

Find 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 30, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$459
(United Airlines)

One-way from

$442
(Alaska Airlines)
Provider with most accurate pricing for Helena-Baltimore/Washington flight deals.
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Provider most trusted by Cheapflights users for Helena-Baltimore/Washington flights.
Search Deals
From Helena to Baltimore/Washington
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One-way flight from Helena to Baltimore/Washington
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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 30, 2026.
Use the filters below to find and compare flights from Helena to Baltimore that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

HelenaBaltimore

HLN - BWI

HLNBWI

Helena

Sat 10/31

6:28 am-3:13 pm

1 stop6h 45m

Baltimore/Washington

Wed 11/4

4:19 pm-9:31 pm

1 stop7h 12m

$459

HelenaBaltimore

HLN - BWI

HLNBWI

Helena

Tue 8/25

5:40 am-9:27 pm

2 stops13h 47m

Baltimore/Washington

Tue 9/1

7:39 am-12:15 pm

1 stop6h 36m

$503
Cheapest one-way

HelenaBaltimore

HLN - BWI

HLNBWI

Helena

Sat 8/22

5:32 pm-3:40 pm

2 stops20h 08m

$442
Quickest one-way

HelenaBaltimore

HLN - BWI

HLNBWI

Helena

Sat 8/22

6:15 am-3:16 pm

1 stop7h 01m

$450

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/28

Sorted by cheapest first
  • Most accurate provider: When it comes to deals on Helena-Baltimore flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Helena-Baltimore flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Helena-Baltimore flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Helena-Baltimore flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Helena-Baltimore flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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.

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 30, 2026.
Get a feel of what it's like to fly with 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.
United Airlines
7.4
Good
10,052 reviews

Boarding

7.7

Comfort

7.3

Food

6.6

Entertainment

7.1

Crew

8.1

Overall

7.4

Reviews

1 / 20
6.0
Good

ROHIT,Jun 2026

IND - EWR

It should not be delayed by 2 hours. I missed the important event due to this
United Airlines
7.4
Good
10,052 reviews
United Airlines
7.4
Good
10,052 reviews

Boarding

7.7

Comfort

7.3

Food

6.6

Entertainment

7.1

Crew

8.1

Overall

7.4

Reviews

1 / 20
6.0
Good

ROHIT,Jun 2026

IND - EWR

It should not be delayed by 2 hours. I missed the important event due to this

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 6h 45m. United Airlines provides one of the quickest options available for as low as $459. The distance between Helena and Baltimore is about 1842 mi.

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

    Our cheapest airline available from Helena to Baltimore is United Airlines. Our recent data shows that you can find tickets from as low as $348 on this airline.

  • 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.

See more FAQs

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Top airline flying from Helena to Baltimore

Discover the top airline that operate flights from Helena to Baltimore. 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 30, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$348Average$744FlexibilityNo cancel feeOn-time69%

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