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Cheap flights from Montana to Washington, D.C. from $124

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Montana to Washington, D.C. departing on 2/18. 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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Cheap round-trip flights

Enter your travel dates to find the best prices.
Alaska Airlines Logo
7:00 am - 6:16 pmBZN-BWI
9h 16m1 stop
Alaska Airlines Logo
7:00 am - 2:04 pmBWI-BZN
9h 04m1 stop
$248Alaska Airlines
Find Deal
Thu, Dec 4 - Fri, Dec 5
American Airlines Logo
1:42 pm - 11:59 pmBZN-BWI
8h 17m1 stop
American Airlines Logo
6:17 am - 1:19 pmBWI-BZN
9h 02m1 stop
$249American Airlines
Find Deal
Tue, Jan 27 - Mon, Feb 2
Southwest Logo
7:40 am - 5:40 pmBZN-BWI
8h 00m2 stops
Southwest Logo
7:30 am - 2:45 pmBWI-BZN
9h 15m1 stop
$254Southwest
Find Deal
Thu, Feb 5 - Mon, Feb 9
Delta Logo
2:17 pm - 12:21 amBZN-BWI
8h 04m1 stop
Delta Logo
7:06 pm - 11:37 pmBWI-BZN
6h 31m1 stop
$277Delta
Find Deal
Wed, Dec 3 - Fri, Dec 5
Delta Logo
2:17 pm - 12:21 amBZN-BWI
8h 04m1 stop
Delta Logo
5:36 pm - 12:18 amBWI-BZN
8h 42m2 stops
$282Delta
Find Deal
Wed, Dec 3 - Tue, Dec 9
Southwest Logo
10:45 am - 10:50 pmBZN-BWI
10h 05m1 stop
Southwest Logo
3:45 pm - 8:35 pmBWI-BZN
6h 50m1 stop
$284Southwest
Find Deal
Tue, Dec 2 - Sat, Dec 6
Delta Logo
11:45 am - 12:22 amBZN-BWI
10h 37m2 stops
Delta Logo
5:36 pm - 12:18 amBWI-BZN
8h 42m2 stops
$287Delta
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Wed, Dec 3 - Tue, Dec 9
United Airlines Logo
6:30 am - 3:11 pmBZN-BWI
6h 41m1 stop
United Airlines Logo
10:20 am - 9:39 pmBWI-BZN
13h 19m2 stops
$289United Airlines
Find Deal
Tue, Dec 2 - Sat, Dec 6
Alaska Airlines Logo
7:52 pm - 5:46 pmFCA-BWI
19h 54m1 stop
Alaska Airlines Logo
6:46 pm - 12:12 pmBWI-FCA
19h 26m1 stop
$296Alaska Airlines
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Wed, Feb 18 - Fri, Feb 27
United Airlines Logo
6:15 am - 3:11 pmFCA-BWI
6h 56m1 stop
United Airlines Logo
9:55 am - 4:01 pmBWI-FCA
8h 06m1 stop
$387United Airlines
Find Deal
Mon, Dec 15 - Mon, Jan 5

United Airlines flights from Montana to Baltimore

Our best United Airlines deals on Montana to Baltimore flight tickets
United Airlines
Dec 2
BZN6:30 amBozeman Gallatin Field
6h 41m
1 stop
BWI3:11 pmBaltimore/Washington
Dec 6
BWI10:20 amBaltimore/Washington
13h 19m
2 stops
BZN9:39 pmBozeman Gallatin Field
$289
Find similar
United Airlines
Dec 15
FCA6:15 amKalispell Glacier Park
6h 56m
1 stop
BWI3:11 pmBaltimore/Washington
Jan 5
BWI9:55 amBaltimore/Washington
8h 06m
1 stop
FCA4:01 pmKalispell Glacier Park
$387
Find similar
United Airlines
Dec 15
FCA6:15 amKalispell Glacier Park
6h 56m
1 stop
BWI3:11 pmBaltimore/Washington
Jan 5
BWI6:15 amBaltimore/Washington
11h 46m
2 stops
FCA4:01 pmKalispell Glacier Park
$392
Find similar

American Airlines flights from Montana to Baltimore

Our best American Airlines deals on Montana to Baltimore flight tickets
American Airlines
Jan 27
BZN1:42 pmBozeman Gallatin Field
8h 17m
1 stop
BWI11:59 pmBaltimore/Washington
Feb 2
BWI6:17 amBaltimore/Washington
9h 02m
1 stop
BZN1:19 pmBozeman Gallatin Field
$249
Find similar
American Airlines
Jan 20
MSO1:21 pmMissoula Johnson-Bell Field
8h 38m
1 stop
BWI11:59 pmBaltimore/Washington
Jan 22
BWI6:00 amBaltimore/Washington
8h 50m
1 stop
MSO12:50 pmMissoula Johnson-Bell Field
$421
Find similar
American Airlines
Jan 14
MSO1:21 pmMissoula Johnson-Bell Field
8h 38m
1 stop
BWI11:59 pmBaltimore/Washington
Jan 18
BWI6:17 amBaltimore/Washington
16h 28m
1 stop
MSO8:45 pmMissoula Johnson-Bell Field
$448
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Montana 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 November 13, 2025.
Use the filters below to find and compare flights from Montana to Baltimore that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

BozemanBaltimore

BZN - BWI

BZNBWI

Bozeman Gallatin Field

Thu 12/4

7:00 am-6:16 pm

1 stop9h 16m

Baltimore/Washington

Fri 12/5

7:00 am-2:04 pm

1 stop9h 04m

$248

BozemanBaltimore

BZN - BWI

BZNBWI

Bozeman Gallatin Field

Tue 1/27

1:42 pm-11:59 pm

1 stop8h 17m

Baltimore/Washington

Mon 2/2

6:17 am-1:19 pm

1 stop9h 02m

$249

BozemanBaltimore

BZN - BWI

BZNBWI

Bozeman Gallatin Field

Thu 2/5

7:40 am-5:40 pm

2 stops8h 00m

Baltimore/Washington

Mon 2/9

7:30 am-2:45 pm

1 stop9h 15m

$254

BozemanBaltimore

BZN - BWI

BZNBWI

Bozeman Gallatin Field

Wed 12/3

2:17 pm-12:21 am

1 stop8h 04m

Baltimore/Washington

Fri 12/5

7:06 pm-11:37 pm

1 stop6h 31m

$277

BozemanBaltimore

BZN - BWI

BZNBWI

Bozeman Gallatin Field

Wed 12/3

2:17 pm-12:21 am

1 stop8h 04m

Baltimore/Washington

Tue 12/9

5:36 pm-12:18 am

2 stops8h 42m

$282

BozemanBaltimore

BZN - BWI

BZNBWI

Bozeman Gallatin Field

Tue 12/2

10:45 am-10:50 pm

1 stop10h 05m

Baltimore/Washington

Sat 12/6

3:45 pm-8:35 pm

1 stop6h 50m

$284

BozemanBaltimore

BZN - BWI

BZNBWI

Bozeman Gallatin Field

Wed 12/3

11:45 am-12:22 am

2 stops10h 37m

Baltimore/Washington

Tue 12/9

5:36 pm-12:18 am

2 stops8h 42m

$287

BozemanBaltimore

BZN - BWI

BZNBWI

Bozeman Gallatin Field

Tue 12/2

6:30 am-3:11 pm

1 stop6h 41m

Baltimore/Washington

Sat 12/6

10:20 am-9:39 pm

2 stops13h 19m

$289

KalispellBaltimore

FCA - BWI

FCABWI

Kalispell Glacier Park

Wed 2/18

7:52 pm-5:46 pm

1 stop19h 54m

Baltimore/Washington

Fri 2/27

6:46 pm-12:12 pm

1 stop19h 26m

$296

KalispellBaltimore

FCA - BWI

FCABWI

Kalispell Glacier Park

Mon 12/15

6:15 am-3:11 pm

1 stop6h 56m

Baltimore/Washington

Mon 1/5

9:55 am-4:01 pm

1 stop8h 06m

$387

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 Montana 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

What is the cheapest month to fly to Baltimore?

If you’re not able to fly to Baltimore in August, then November is your next best option. Flight prices from Montana to Baltimore during November average around $355.

What is the cheapest day to depart on your flight to Baltimore?

The cheapest day to depart from Montana to Baltimore is on a Saturday. Travelers who choose to depart for Baltimore on a Saturday will often find tickets for as low as $355. If your travel schedule is flexible, try to avoid departing on a Monday because tickets tend to average around $543. These prices are subject to change though, so be sure to set up a Price Alert for flights to Baltimore.

What is the cheapest time of day to depart on your flight to Baltimore?

Flying to Baltimore from Montana in the evening is the least expensive time of day to depart. momondo users have found prices as low as $358 when looking at flights departing in the evening. Flights in the morning are often more expensive with an average ticket price of $493.

Can stopping save me money on Montana to Baltimore flights?

You could potentially save up to 45% on your flight if you consider stops on a Montana to Baltimore flight.

Cheap Montana to Baltimore flight deals and tips

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

Direct flights

None
There are no direct flights from Montana to Baltimore. There are no popular flight routes from Montana to Baltimore.
Search flight deals

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

    Prices for flights from Montana to Baltimore/Washington Airport refresh daily.

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

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

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Montana to Baltimore/Washington Airport.

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

    The required travel and health documents for your Baltimore/Washington Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Baltimore/Washington Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Best airlines flying from Montana to Baltimore

Compare and see reviews for airlines that fly from Montana to Baltimore with momondo
Airline
Rating
Free Cancellation
Price
DeltaPriceFrom $203Free CancellationRating
7.9
8,007 reviews
Search Delta flights
United AirlinesPriceFrom $210Free CancellationRating
7.4
9,015 reviews
Search United Airlines flights
SouthwestPriceFrom $327Free CancellationRating
8.0
4,236 reviews
Search Southwest flights

Why use momondo?

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

Finding the right flight to Baltimore from Montana is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Baltimore quick and easy, saving you time and money.

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

All flight searches from Montana to Baltimore on momondo can be filtered to show those which offer flexible booking policies.

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

momondo helps you find the best flight between Montana and Baltimore by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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

Yes. momondo can track prices for Montana 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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