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Cheap flights from Helena to Washington, D.C. from $289

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Helena to Washington, D.C. departing on 8/22. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Helena to Washington, D.C.

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
2:34 pm - 10:57 pm
HLN
-
BWI
6h 23m
1 stop
United Airlines Logo
4:16 pm - 9:39 pm
BWI
-
HLN
7h 23m
1 stop
$349United Airlines
Mon, Nov 9 - Wed, Nov 18
United Airlines Logo
2:34 pm - 10:57 pm
HLN
-
BWI
6h 23m
1 stop
United Airlines Logo
12:35 pm - 9:39 pm
BWI
-
HLN
11h 04m
2 stops
$354United Airlines
Mon, Nov 9 - Wed, Nov 18
Alaska Airlines Logo
4:48 pm - 5:20 am
HLN
-
BWI
10h 32m
1 stop
Alaska Airlines Logo
6:12 pm - 4:11 pm
BWI
-
HLN
23h 59m
1 stop
$392Alaska Airlines
Fri, Oct 16 - Mon, Oct 26
United Airlines Logo
6:15 am - 9:23 pm
HLN
-
BWI
13h 08m
2 stops
United Airlines Logo
6:10 am - 1:49 pm
BWI
-
HLN
9h 39m
2 stops
$439United Airlines
Mon, Nov 9 - Wed, Nov 18
United Airlines Logo
6:15 am - 3:01 pm
HLN
-
BWI
6h 46m
1 stop
United Airlines Logo
4:16 pm - 9:39 pm
BWI
-
HLN
7h 23m
1 stop
$449United Airlines
Sat, Oct 31 - Wed, Nov 4
United Airlines Logo
6:15 am - 9:23 pm
HLN
-
BWI
13h 08m
2 stops
United Airlines Logo
8:20 am - 1:49 pm
BWI
-
HLN
7h 29m
1 stop
$454United Airlines
Sat, Oct 31 - Wed, Nov 4
United Airlines Logo
6:15 am - 6:49 pm
HLN
-
BWI
10h 34m
2 stops
United Airlines Logo
12:35 pm - 9:39 pm
BWI
-
HLN
11h 04m
2 stops
$459United Airlines
Sat, Oct 31 - Wed, Nov 4
Alaska Airlines Logo
5:26 pm - 5:20 am
HLN
-
BWI
9h 54m
1 stop
Alaska Airlines Logo
6:15 pm - 4:49 pm
BWI
-
HLN
24h 34m
1 stop
$476Alaska Airlines
Mon, Oct 5 - Fri, Oct 9
United Airlines Logo
2:20 pm - 11:10 pm
HLN
-
BWI
6h 50m
1 stop
United Airlines Logo
4:23 pm - 9:20 pm
BWI
-
HLN
6h 57m
1 stop
$547United Airlines
Thu, Aug 6 - Mon, Aug 10
Delta Logo
7:15 am - 8:46 pm
HLN
-
BWI
11h 31m
2 stops
Delta Logo
7:15 am - 12:23 pm
BWI
-
HLN
7h 08m
1 stop
$636Delta
Fri, Oct 16 - Mon, Oct 26

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United Airlines flights from Helena to Baltimore

Our best United Airlines deals on Helena to Baltimore flight tickets
United Airlines
Oct 31
HLN6:15 amHelena
6h 46m
1 stop
BWI3:01 pmBaltimore/Washington
Nov 4
BWI4:16 pmBaltimore/Washington
7h 23m
1 stop
HLN9:39 pmHelena
$449
United Airlines
Oct 31
HLN6:15 amHelena
13h 08m
2 stops
BWI9:23 pmBaltimore/Washington
Nov 4
BWI8:20 amBaltimore/Washington
7h 29m
1 stop
HLN1:49 pmHelena
$454
United Airlines
Oct 31
HLN6:15 amHelena
10h 34m
2 stops
BWI6:49 pmBaltimore/Washington
Nov 4
BWI12:35 pmBaltimore/Washington
11h 04m
2 stops
HLN9:39 pmHelena
$459

Alaska Airlines flights from Helena to Baltimore

Our best Alaska Airlines deals on Helena to Baltimore flight tickets
Alaska Airlines
Oct 5
HLN5:26 pmHelena
9h 54m
1 stop
BWI5:20 amBaltimore/Washington
Oct 9
BWI6:15 pmBaltimore/Washington
24h 34m
1 stop
HLN4:49 pmHelena
$476
Alaska Airlines
Sep 20
HLN5:18 pmHelena
11h 12m
1 stop
BWI6:30 amBaltimore/Washington
Sep 25
BWI7:15 pmBaltimore/Washington
23h 26m
1 stop
HLN4:41 pmHelena
$693
Alaska Airlines
Sep 13
HLN5:18 pmHelena
17h 47m
2 stops
BWI1:05 pmBaltimore/Washington
Sep 17
BWI7:50 amBaltimore/Washington
10h 51m
1 stop
HLN4:41 pmHelena
$886

momondo 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, momondo users made 832,500 searches. Data last updated July 21, 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

Mon 11/9

2:34 pm-10:57 pm

1 stop6h 23m

Baltimore/Washington

Wed 11/18

4:16 pm-9:39 pm

1 stop7h 23m

$349

HelenaBaltimore

HLN - BWI

HLNBWI

Helena

Mon 11/9

2:34 pm-10:57 pm

1 stop6h 23m

Baltimore/Washington

Wed 11/18

12:35 pm-9:39 pm

2 stops11h 04m

$354

HelenaBaltimore

HLN - BWI

HLNBWI

Helena

Fri 10/16

4:48 pm-5:20 am

1 stop10h 32m

Baltimore/Washington

Mon 10/26

6:12 pm-4:11 pm

1 stop23h 59m

$392

HelenaBaltimore

HLN - BWI

HLNBWI

Helena

Mon 11/9

6:15 am-9:23 pm

2 stops13h 08m

Baltimore/Washington

Wed 11/18

6:10 am-1:49 pm

2 stops9h 39m

$439

HelenaBaltimore

HLN - BWI

HLNBWI

Helena

Sat 10/31

6:15 am-3:01 pm

1 stop6h 46m

Baltimore/Washington

Wed 11/4

4:16 pm-9:39 pm

1 stop7h 23m

$449

HelenaBaltimore

HLN - BWI

HLNBWI

Helena

Sat 10/31

6:15 am-9:23 pm

2 stops13h 08m

Baltimore/Washington

Wed 11/4

8:20 am-1:49 pm

1 stop7h 29m

$454

HelenaBaltimore

HLN - BWI

HLNBWI

Helena

Sat 10/31

6:15 am-6:49 pm

2 stops10h 34m

Baltimore/Washington

Wed 11/4

12:35 pm-9:39 pm

2 stops11h 04m

$459

HelenaBaltimore

HLN - BWI

HLNBWI

Helena

Mon 10/5

5:26 pm-5:20 am

1 stop9h 54m

Baltimore/Washington

Fri 10/9

6:15 pm-4:49 pm

1 stop24h 34m

$476

HelenaBaltimore

HLN - BWI

HLNBWI

Helena

Thu 8/6

2:20 pm-11:10 pm

1 stop6h 50m

Baltimore/Washington

Mon 8/10

4:23 pm-9:20 pm

1 stop6h 57m

$547

HelenaBaltimore

HLN - BWI

HLNBWI

Helena

Fri 10/16

7:15 am-8:46 pm

2 stops11h 31m

Baltimore/Washington

Mon 10/26

7:15 am-12:23 pm

1 stop7h 08m

$636

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Washington, D.C. from

How to get the cheapest flight ticket from Helena to Baltimore

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Can stopping save me money on Helena to Baltimore flights?

You could potentially save up to 27% on your flight if you consider stops on a Helena to Baltimore flight.

When to book flights from Helena to Baltimore

Are you open to changing your travel dates? Check out the ideal times to fly from Helena to Baltimore according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Helena to Baltimore (HLN to BWI) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Helena to Baltimore

Fastest flight time

6h 46m

Direct flights

None
The fastest flight from Helena to Baltimore takes 6h 46m
There are no direct flights from Helena to Baltimore. There are no popular flight routes from Helena to Baltimore.
Search flight deals

Frequently asked questions about flying from Helena to Baltimore

  • How far is Helena to Baltimore/Washington by plane?

    Helena and Baltimore/Washington are 1842.9 mi apart from one another. 6h 46m is a normal flight duration for this route.

  • When did momondo last update prices for flights from Helena Airport to Baltimore/Washington Airport?

    Prices for flights from Helena Airport to Baltimore/Washington Airport were last updated today.

  • How many operators does momondo search for flights from Helena Airport to Baltimore/Washington Airport?

  • How old do you have to be to fly from Helena Airport to Baltimore/Washington Airport?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Helena Airport to Baltimore/Washington Airport.

  • What documentation or ID do you need to fly to Baltimore/Washington Airport?

    The travel and health documents required for your trip to Baltimore/Washington Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Baltimore/Washington Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

  • What is the most popular airline from Helena to Baltimore?

Best airlines flying from Helena to Baltimore

Compare and see reviews for airlines that fly from Helena to Baltimore with momondo
Airline
Rating
Free Cancellation
Price
United AirlinesPriceFrom $348Free CancellationRating
7.4
10,011 reviews
Search United Airlines flights

Why use momondo?

Why should I use momondo to find a flight deal from Helena to Baltimore?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Baltimore from Helena.

Can I find flights from Helena to Baltimore with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for Helena to Baltimore flights to just show those with flexible booking policies.

How can momondo help me find flights from Helena to Baltimore?

Once all potential Helena to Baltimore flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from Helena to Baltimore right now. Can momondo alert me if prices change?

Yes. momondo can track prices for Helena to Baltimore flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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