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$308+ 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 6/23. Fares are subject to change and may not be available on all flights or dates of travel.
HLN — BWI
Apr 9 — Apr 161
Thu 4/9
Thu 4/16
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 March 10, 2026.

This Alaska Airlines deal was found by Cheapflights users on 3/9. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/76:22 pm
HLN
-
BWI
1 stop9h 22m
Alaska Airlines
Tue 5/127:35 pm
BWI
-
HLN
1 stop22h 31m
Alaska Airlines
Deal found 3/9$329
This Alaska Airlines deal was found by Cheapflights users on 3/9. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/216:22 pm
HLN
-
BWI
1 stop9h 22m
Alaska Airlines
Thu 4/237:04 am
BWI
-
HLN
1 stop12h 41m
Alaska Airlines
Deal found 3/9$349
This United Airlines deal was found by Cheapflights users on 3/5. 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 5/92:30 pm
HLN
-
BWI
1 stop6h 57m
United Airlines
Tue 5/128:22 am
BWI
-
HLN
1 stop7h 16m
United Airlines
Deal found 3/5$351
This United Airlines deal was found by Cheapflights users on 3/6. 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 4/186:15 am
HLN
-
BWI
2 stops13h 09m
United Airlines
Fri 4/244:18 pm
BWI
-
HLN
1 stop7h 15m
United Airlines
Deal found 3/6$359
This Expedia deal was found by Cheapflights users on 3/9. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/216:22 pm
HLN
-
BWI
1 stop9h 22m
Alaska Airlines
Fri 4/247:04 am
BWI
-
HLN
1 stop12h 41m
Alaska Airlines
Deal found 3/9$374
This United Airlines deal was found by Cheapflights users on 3/6. 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 4/186:15 am
HLN
-
BWI
2 stops13h 09m
United Airlines
Sat 4/2511:08 am
BWI
-
HLN
2 stops12h 25m
United Airlines
Deal found 3/6$389
This United Airlines deal was found by Cheapflights users on 3/5. 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 10/312:30 pm
HLN
-
BWI
1 stop6h 30m
United Airlines
Wed 11/44:10 pm
BWI
-
HLN
1 stop6h 49m
United Airlines
Deal found 3/5$419
This United Airlines deal was found by Cheapflights users on 3/9. 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 4/252:25 pm
HLN
-
BWI
1 stop6h 59m
United Airlines
Wed 4/298:00 am
BWI
-
HLN
1 stop7h 39m
United Airlines
Deal found 3/9$439

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 March 10, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$329
(United Airlines)

One-way from

$308
(Expedia)
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.
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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 March 10, 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

HelenaBaltimore

HLN - BWI

HLNBWI

Helena

Thu 5/7

6:22 pm-5:44 am

1 stop9h 22m

Baltimore/Washington

Tue 5/12

7:35 pm-4:06 pm

1 stop22h 31m

$329

HelenaBaltimore

HLN - BWI

HLNBWI

Helena

Sat 5/9

6:15 am-9:02 pm

2 stops12h 47m

Baltimore/Washington

Tue 5/12

8:22 am-1:38 pm

1 stop7h 16m

$379
Quickest round-trip

HelenaBaltimore

HLN - BWI

HLNBWI

Helena

Sat 4/25

6:15 am-3:11 pm

1 stop6h 56m

Baltimore/Washington

Wed 4/29

8:00 am-1:39 pm

1 stop7h 39m

$419

HelenaBaltimore

HLN - BWI

HLNBWI

Helena

Thu 5/14

4:43 pm-6:28 am

1 stop11h 45m

Baltimore/Washington

Mon 5/18

4:17 pm-4:06 pm

2 stops25h 49m

$526
Cheapest one-way

HelenaBaltimore

HLN - BWI

HLNBWI

Helena

Tue 8/11

5:26 pm-6:30 am

1 stop11h 04m

$313

HelenaBaltimore

HLN - BWI

HLNBWI

Helena

Fri 4/10

2:25 pm-11:24 pm

1 stop6h 59m

$374
Quickest one-way

HelenaBaltimore

HLN - BWI

HLNBWI

Helena

Thu 4/9

6:15 am-3:11 pm

1 stop6h 56m

$374

HelenaBaltimore

HLN - BWI

HLNBWI

Helena

Tue 8/11

12:50 pm-12:16 am

2 stops9h 26m

$395

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/7

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.

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, April is the cheapest month in which you can book a flight from Helena to Baltimore (average of $158). Flying from Helena to Baltimore in July is currently the most expensive (average of $302). 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.

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 57m. Alaska Airlines provides one of the quickest options available for as low as $351. The distance between Helena and Baltimore is about 1842 mi. This flight may include one or multiple stops.

  • 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, April is the cheapest month in which you can book a flight from Helena to Baltimore (average of $158). Flying from Helena to Baltimore in July is currently the most expensive (average of $302). 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.

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