What airlines fly to Baltimore?

United Airlines, Delta and American Airlines are the top three most popular airlines that fly to Baltimore from Helena according to our data. United Airlines is the first choice among our users, with 61% of people opting to fly with this airline when traveling to Baltimore. Keep in mind that there are 5 different airlines that fly to Baltimore on a routine basis, so you have a few additional options to choose from.

What is the cheapest airline that flies from Helena to Baltimore/Washington?

Delta, United Airlines, and Alaska Airlines are the most popular carriers operating from Helena to Baltimore/Washington

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?

As of November 2026, there is 1 operator available to choose from 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.

$225 Cheap Flights from Helena to Baltimore in 2026/27

Discover deals from 900+ travel sites with momondo.

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

Round-trip

One-way

Cheap round-trip flights

Enter your travel dates to find the best prices.

2:35 pm - 10:59 pmHLN Helena-BWI Baltimore/Washington

6h 24m1 stop Denver Intl

4:22 pm - 9:26 pmBWI Baltimore/Washington-HLN Helena

7h 04m1 stop Denver Intl

$424United Airlines

Thu, Dec 3 - Mon, Dec 7

2:23 pm - 11:08 pmHLN Helena-BWI Baltimore/Washington

6h 45m1 stop Denver Intl

4:19 pm - 9:31 pmBWI Baltimore/Washington-HLN Helena

7h 12m1 stop Denver Intl

$469United Airlines

Fri, Nov 13 - Tue, Nov 17

2:23 pm - 11:08 pmHLN Helena-BWI Baltimore/Washington

6h 45m1 stop Denver Intl

8:23 am - 1:40 pmBWI Baltimore/Washington-HLN Helena

7h 17m1 stop Denver Intl

$469United Airlines

Fri, Nov 13 - Sat, Nov 14

1:07 pm - 12:58 amHLN Helena-BWI Baltimore/Washington

9h 51m2 stops Salt Lake City Atlanta Hartsfield-Jackson

7:15 am - 12:27 pmBWI Baltimore/Washington-HLN Helena

7h 12m1 stop Salt Lake City

$474Delta

Fri, Nov 13 - Tue, Nov 17

2:23 pm - 11:08 pmHLN Helena-BWI Baltimore/Washington

6h 45m1 stop Denver Intl

6:10 am - 1:40 pmBWI Baltimore/Washington-HLN Helena

9h 30m2 stops Chicago O'Hare Intl Denver Intl

$474United Airlines

Fri, Nov 13 - Sat, Nov 14

1:07 pm - 12:58 amHLN Helena-BWI Baltimore/Washington

9h 51m2 stops Salt Lake City Atlanta Hartsfield-Jackson

3:05 pm - 10:32 pmBWI Baltimore/Washington-HLN Helena

9h 27m2 stops Minneapolis St Paul Salt Lake City

$479Delta

Fri, Nov 13 - Sat, Nov 14

1:07 pm - 12:58 amHLN Helena-BWI Baltimore/Washington

9h 51m2 stops Salt Lake City Atlanta Hartsfield-Jackson

2:00 pm - 10:26 pmBWI Baltimore/Washington-HLN Helena

10h 26m2 stops Atlanta Hartsfield-Jackson Salt Lake City

$479Delta

Fri, Nov 13 - Tue, Nov 17

6:15 am - 3:04 pmHLN Helena-BWI Baltimore/Washington

6h 49m1 stop Denver Intl

8:15 am - 1:40 pmBWI Baltimore/Washington-HLN Helena

7h 25m1 stop Denver Intl

$519United Airlines

Sat, Jan 23 - Tue, Jan 26

6:15 am - 3:04 pmHLN Helena-BWI Baltimore/Washington

6h 49m1 stop Denver Intl

10:35 am - 9:32 pmBWI Baltimore/Washington-HLN Helena

12h 57m2 stops Chicago O'Hare Intl Denver Intl

$524United Airlines

Sat, Jan 23 - Tue, Jan 26

4:53 pm - 5:40 amHLN Helena-BWI Baltimore/Washington

10h 47m1 stop Seattle/Tacoma Intl

6:39 pm - 4:12 pmBWI Baltimore/Washington-HLN Helena

23h 33m1 stop Seattle/Tacoma Intl

$966Alaska Airlines

Fri, Nov 20 - Mon, Nov 30

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United Airlines flights from Helena to Baltimore

Our best United Airlines deals on Helena to Baltimore flight tickets

United Airlines

Dec 3

HLN2:35 pmHelena

6h 24m

1 stop

BWI10:59 pmBaltimore/Washington

Dec 7

BWI4:22 pmBaltimore/Washington

7h 04m

1 stop

HLN9:26 pmHelena

$424

United Airlines

Nov 13

HLN2:23 pmHelena

6h 45m

1 stop

BWI11:08 pmBaltimore/Washington

Nov 14

BWI8:23 amBaltimore/Washington

7h 17m

1 stop

HLN1:40 pmHelena

$469

United Airlines

Nov 13

HLN2:23 pmHelena

6h 45m

1 stop

BWI11:08 pmBaltimore/Washington

Nov 14

BWI6:10 amBaltimore/Washington

9h 30m

2 stops

HLN1:40 pmHelena

$474

Delta flights from Helena to Baltimore

Our best Delta deals on Helena to Baltimore flight tickets

Delta

Nov 13

HLN1:07 pmHelena

9h 51m

2 stops

BWI12:58 amBaltimore/Washington

Nov 17

BWI2:00 pmBaltimore/Washington

10h 26m

2 stops

HLN10:26 pmHelena

$479

Delta

Nov 20

HLN7:00 amHelena

9h 24m

2 stops

BWI6:24 pmBaltimore/Washington

Nov 30

BWI10:25 amBaltimore/Washington

14h 01m

2 stops

HLN10:26 pmHelena

$3,585

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Quickest round-trip

HelenaBaltimore

HLN Helena - BWI Baltimore/Washington

HLNBWI

Helena

Thu 12/3

2:35 pm-10:59 pm

1 stop6h 24m

Baltimore/Washington

Mon 12/7

4:22 pm-9:26 pm

1 stop7h 04m

$424

HelenaBaltimore

HLN Helena - BWI Baltimore/Washington

HLNBWI

Helena

Fri 11/13

2:23 pm-11:08 pm

1 stop6h 45m

Baltimore/Washington

Tue 11/17

4:19 pm-9:31 pm

1 stop7h 12m

$469

HelenaBaltimore

HLN Helena - BWI Baltimore/Washington

HLNBWI

Helena

Fri 11/13

2:23 pm-11:08 pm

1 stop6h 45m

Baltimore/Washington

Sat 11/14

8:23 am-1:40 pm

1 stop7h 17m

$469

HelenaBaltimore

HLN Helena - BWI Baltimore/Washington

HLNBWI

Helena

Fri 11/13

1:07 pm-12:58 am

2 stops9h 51m

Baltimore/Washington

Tue 11/17

7:15 am-12:27 pm

1 stop7h 12m

$474

HelenaBaltimore

HLN Helena - BWI Baltimore/Washington

HLNBWI

Helena

Fri 11/13

2:23 pm-11:08 pm

1 stop6h 45m

Baltimore/Washington

Sat 11/14

6:10 am-1:40 pm

2 stops9h 30m

$474

HelenaBaltimore

HLN Helena - BWI Baltimore/Washington

HLNBWI

Helena

Fri 11/13

1:07 pm-12:58 am

2 stops9h 51m

Baltimore/Washington

Sat 11/14

3:05 pm-10:32 pm

2 stops9h 27m

$479

HelenaBaltimore

HLN Helena - BWI Baltimore/Washington

HLNBWI

Helena

Fri 11/13

1:07 pm-12:58 am

2 stops9h 51m

Baltimore/Washington

Tue 11/17

2:00 pm-10:26 pm

2 stops10h 26m

$479

HelenaBaltimore

HLN Helena - BWI Baltimore/Washington

HLNBWI

Helena

Sat 1/23

6:15 am-3:04 pm

1 stop6h 49m

Baltimore/Washington

Tue 1/26

8:15 am-1:40 pm

1 stop7h 25m

$519

HelenaBaltimore

HLN Helena - BWI Baltimore/Washington

HLNBWI

Helena

Sat 1/23

6:15 am-3:04 pm

1 stop6h 49m

Baltimore/Washington

Tue 1/26

10:35 am-9:32 pm

2 stops12h 57m

$524

HelenaBaltimore

HLN Helena - BWI Baltimore/Washington

HLNBWI

Helena

Fri 11/20

4:53 pm-5:40 am

1 stop10h 47m

Baltimore/Washington

Mon 11/30

6:39 pm-4:12 pm

1 stop23h 33m

$966

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

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

Prices

Airlines

Can stopping save me money on Helena to Baltimore flights?

You could potentially save up to 47% 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

Best Price Found	$225
Fastest flight time	6h 24m
Direct flights	None

The best one-way flight to Baltimore from Helena in the past 72 hours is $225. The best round-trip flight deal from Helena to Baltimore found on momondo in the last 72 hours is $424.

The fastest flight from Helena to Baltimore takes 6h 24m

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 24m 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?
As of November 2026, there is 1 operator available to choose from 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?
Based on momondo bookings for flights between Helena and Baltimore, the leading airline is United Airlines, making up 100% of the total bookings.

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 Airlines	PriceFrom $348	Free Cancellation	Rating 7.3 10,463 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.

An easier way to manage your Baltimore trip

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Cheap flights from Helena to Washington, D.C. from $225

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 2/9. 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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United Airlines flights from Helena to Baltimore

Our best United Airlines deals on Helena to Baltimore flight tickets

Delta flights from Helena to Baltimore

Our best Delta deals on Helena to Baltimore flight tickets

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How to get the cheapest flight ticket from Helena to Baltimore

Can stopping save me money on Helena to Baltimore flights?

What is the cheapest airline that flies from Helena to Baltimore/Washington?

What airlines fly to Baltimore?

When to book flights from Helena to Baltimore

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

Best Price Found

Fastest flight time

Direct flights

Frequently asked questions about flying 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

Why use momondo?

An easier way to manage your Baltimore trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to the United States

Airports servicing Maryland

Fly your favorite airline to Washington, D.C.

Airlines are sorted and displayed according to clicks in the past 7 days on momondo

Cabin classes currently available on flights to Washington, D.C.

List of cabin classes available on flights landing in Washington, D.C.. Availability may vary depending on flight origin and airline.

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