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Cheap flights from Helena to Washington, D.C. from $245

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 7/1. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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

Cheap round-trip flights

Enter your travel dates to find the best prices.
Delta Logo
1:10 pm - 11:44 pm
HLN
-
BWI
8h 34m
1 stop
Delta Logo
7:01 am - 12:21 pm
BWI
-
HLN
7h 20m
1 stop
$309Delta
Thu, Mar 5 - Mon, Mar 9
Delta Logo
1:10 pm - 11:44 pm
HLN
-
BWI
8h 34m
1 stop
Delta Logo
5:40 am - 12:21 pm
BWI
-
HLN
8h 41m
2 stops
$314Delta
Thu, Mar 5 - Tue, Mar 10
Delta Logo
1:10 pm - 11:44 pm
HLN
-
BWI
8h 34m
1 stop
Delta Logo
7:01 am - 12:21 pm
BWI
-
HLN
7h 20m
1 stop
$319Delta
Thu, Mar 5 - Wed, Mar 11
Delta Logo
1:10 pm - 12:35 am
HLN
-
BWI
9h 25m
2 stops
Delta Logo
7:01 am - 12:21 pm
BWI
-
HLN
7h 20m
1 stop
$324Delta
Wed, Mar 4 - Wed, Mar 11
Delta Logo
1:10 pm - 11:44 pm
HLN
-
BWI
8h 34m
1 stop
Delta Logo
7:01 am - 12:21 pm
BWI
-
HLN
7h 20m
1 stop
$334Delta
Sat, Feb 28 - Tue, Mar 10
Delta Logo
1:10 pm - 11:44 pm
HLN
-
BWI
8h 34m
1 stop
Delta Logo
5:40 am - 12:21 pm
BWI
-
HLN
8h 41m
2 stops
$339Delta
Sat, Feb 28 - Tue, Mar 10
Delta Logo
1:10 pm - 11:44 pm
HLN
-
BWI
8h 34m
1 stop
Delta Logo
7:01 am - 12:21 pm
BWI
-
HLN
7h 20m
1 stop
$344Delta
Sat, Feb 28 - Mon, Mar 9
Delta Logo
1:10 pm - 11:44 pm
HLN
-
BWI
8h 34m
1 stop
Delta Logo
5:40 am - 12:21 pm
BWI
-
HLN
8h 41m
2 stops
$349Delta
Thu, Mar 5 - Tue, Mar 10
Delta Logo
1:10 pm - 12:35 am
HLN
-
BWI
9h 25m
2 stops
Delta Logo
5:40 am - 12:21 pm
BWI
-
HLN
8h 41m
2 stops
$354Delta
Wed, Mar 4 - Tue, Mar 10
Delta Logo
1:10 pm - 11:44 pm
HLN
-
BWI
8h 34m
1 stop
Delta Logo
7:01 am - 12:21 pm
BWI
-
HLN
7h 20m
1 stop
$359Delta
Sat, Feb 28 - Wed, Mar 11

Delta flights from Helena to Baltimore

Our best Delta deals on Helena to Baltimore flight tickets
Delta
Mar 5
HLN1:10 pmHelena
8h 34m
1 stop
BWI11:44 pmBaltimore/Washington
Mar 10
BWI7:01 amBaltimore/Washington
7h 20m
1 stop
HLN12:21 pmHelena
$309
Delta
Mar 5
HLN1:10 pmHelena
8h 34m
1 stop
BWI11:44 pmBaltimore/Washington
Mar 10
BWI5:40 amBaltimore/Washington
8h 41m
2 stops
HLN12:21 pmHelena
$314
Delta
Mar 5
HLN1:10 pmHelena
8h 34m
1 stop
BWI11:44 pmBaltimore/Washington
Mar 9
BWI7:01 amBaltimore/Washington
7h 20m
1 stop
HLN12:21 pmHelena
$319

United Airlines flights from Helena to Baltimore

Our best United Airlines deals on Helena to Baltimore flight tickets
United Airlines
Feb 24
HLN6:15 amHelena
13h 02m
2 stops
BWI9:17 pmBaltimore/Washington
Mar 10
BWI8:02 amBaltimore/Washington
7h 36m
1 stop
HLN1:38 pmHelena
$384
United Airlines
Feb 24
HLN2:25 pmHelena
7h 00m
1 stop
BWI11:25 pmBaltimore/Washington
Mar 3
BWI10:30 amBaltimore/Washington
12h 46m
2 stops
HLN9:16 pmHelena
$409
United Airlines
Feb 24
HLN6:15 amHelena
13h 02m
2 stops
BWI9:17 pmBaltimore/Washington
Mar 3
BWI10:30 amBaltimore/Washington
12h 46m
2 stops
HLN9:16 pmHelena
$414

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 February 14, 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

HelenaBaltimore

HLN - BWI

HLNBWI

Helena

Thu 3/5

1:10 pm-11:44 pm

1 stop8h 34m

Baltimore/Washington

Mon 3/9

7:01 am-12:21 pm

1 stop7h 20m

$309

HelenaBaltimore

HLN - BWI

HLNBWI

Helena

Thu 3/5

1:10 pm-11:44 pm

1 stop8h 34m

Baltimore/Washington

Tue 3/10

5:40 am-12:21 pm

2 stops8h 41m

$314

HelenaBaltimore

HLN - BWI

HLNBWI

Helena

Thu 3/5

1:10 pm-11:44 pm

1 stop8h 34m

Baltimore/Washington

Wed 3/11

7:01 am-12:21 pm

1 stop7h 20m

$319

HelenaBaltimore

HLN - BWI

HLNBWI

Helena

Wed 3/4

1:10 pm-12:35 am

2 stops9h 25m

Baltimore/Washington

Wed 3/11

7:01 am-12:21 pm

1 stop7h 20m

$324

HelenaBaltimore

HLN - BWI

HLNBWI

Helena

Sat 2/28

1:10 pm-11:44 pm

1 stop8h 34m

Baltimore/Washington

Tue 3/10

7:01 am-12:21 pm

1 stop7h 20m

$334

HelenaBaltimore

HLN - BWI

HLNBWI

Helena

Sat 2/28

1:10 pm-11:44 pm

1 stop8h 34m

Baltimore/Washington

Tue 3/10

5:40 am-12:21 pm

2 stops8h 41m

$339

HelenaBaltimore

HLN - BWI

HLNBWI

Helena

Sat 2/28

1:10 pm-11:44 pm

1 stop8h 34m

Baltimore/Washington

Mon 3/9

7:01 am-12:21 pm

1 stop7h 20m

$344

HelenaBaltimore

HLN - BWI

HLNBWI

Helena

Thu 3/5

1:10 pm-11:44 pm

1 stop8h 34m

Baltimore/Washington

Tue 3/10

5:40 am-12:21 pm

2 stops8h 41m

$349

HelenaBaltimore

HLN - BWI

HLNBWI

Helena

Wed 3/4

1:10 pm-12:35 am

2 stops9h 25m

Baltimore/Washington

Tue 3/10

5:40 am-12:21 pm

2 stops8h 41m

$354

HelenaBaltimore

HLN - BWI

HLNBWI

Helena

Sat 2/28

1:10 pm-11:44 pm

1 stop8h 34m

Baltimore/Washington

Wed 3/11

7:01 am-12:21 pm

1 stop7h 20m

$359

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 16 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 8% 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 42m

Direct flights

None
The fastest flight from Helena to Baltimore takes 6h 42m
There are no direct flights from Helena to Baltimore. There are no popular flight routes from Helena to Baltimore.
Search flight deals

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

    Helena and Baltimore/Washington are 1842.9 mi apart from one another. 6h 42m 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 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.

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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