Cheap flights from Montana to Washington, D.C. from $125

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 2/27. 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
0 bags

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Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
4:20 pm - 6:00 am
BZN
-
BWI
11h 40m
1 stop
United Airlines Logo
8:00 am - 1:34 pm
BWI
-
BZN
7h 34m
1 stop
$249United Airlines
Wed, Apr 22 - Wed, Apr 29
Southwest Logo
3:20 pm - 11:50 pm
BZN
-
BWI
6h 30m
1 stop
Southwest Logo
3:55 pm - 10:05 pm
BWI
-
BZN
8h 10m
1 stop
$274Southwest
Wed, Apr 15 - Mon, Apr 20
Delta Logo
1:45 pm - 11:26 pm
BZN
-
BWI
7h 41m
1 stop
Delta Logo
3:00 pm - 8:11 pm
BWI
-
BZN
7h 11m
1 stop
$277Delta
Sun, Apr 19 - Sat, May 2
Delta Logo
7:18 am - 11:26 pm
BZN
-
BWI
14h 08m
2 stops
Delta Logo
6:08 am - 12:34 pm
BWI
-
BZN
8h 26m
1 stop
$282Delta
Tue, Apr 21 - Wed, Apr 29
United Airlines Logo
2:43 pm - 11:12 pm
BZN
-
BWI
6h 29m
1 stop
United Airlines Logo
4:03 pm - 9:22 pm
BWI
-
BZN
7h 19m
1 stop
$287United Airlines
Wed, Mar 18 - Tue, Mar 24
Alaska Airlines Logo
7:00 am - 5:46 pm
BZN
-
BWI
8h 46m
1 stop
Alaska Airlines Logo
6:46 pm - 10:53 am
BWI
-
BZN
18h 07m
1 stop
$288Alaska Airlines
Tue, Feb 24 - Fri, Feb 27
Delta Logo
5:20 am - 6:04 pm
BZN
-
BWI
10h 44m
2 stops
Delta Logo
6:08 am - 12:34 pm
BWI
-
BZN
8h 26m
1 stop
$293Delta
Thu, Apr 9 - Mon, Apr 13
Delta Logo
7:18 am - 9:11 am
BZN
-
BWI
23h 53m
2 stops
Delta Logo
6:08 am - 12:34 pm
BWI
-
BZN
8h 26m
1 stop
$295Delta
Wed, Apr 22 - Sun, Apr 26
Delta Logo
3:30 pm - 12:28 am
MSO
-
BWI
6h 58m
1 stop
Delta Logo
1:00 pm - 11:47 pm
BWI
-
MSO
12h 47m
2 stops
$298Delta
Wed, May 13 - Thu, Sep 3
Alaska Airlines Logo
4:36 pm - 5:46 pm
HLN
-
BWI
23h 10m
1 stop
Alaska Airlines Logo
6:46 pm - 3:59 pm
BWI
-
HLN
23h 13m
1 stop
$334Alaska Airlines
Fri, Feb 20 - Fri, Feb 27

United Airlines flights from Montana to Baltimore

Our best United Airlines deals on Montana to Baltimore flight tickets
United Airlines
Apr 22
BZN4:20 pmBozeman Gallatin Field
11h 40m
1 stop
BWI6:00 amBaltimore/Washington
Apr 29
BWI8:00 amBaltimore/Washington
7h 34m
1 stop
BZN1:34 pmBozeman Gallatin Field
$249
United Airlines
Mar 18
BZN2:43 pmBozeman Gallatin Field
6h 29m
1 stop
BWI11:12 pmBaltimore/Washington
Mar 24
BWI4:03 pmBaltimore/Washington
7h 19m
1 stop
BZN9:22 pmBozeman Gallatin Field
$287
United Airlines
Mar 17
MSO2:35 pmMissoula Johnson-Bell Field
6h 37m
1 stop
BWI11:12 pmBaltimore/Washington
Mar 19
BWI4:03 pmBaltimore/Washington
7h 54m
1 stop
MSO9:57 pmMissoula Johnson-Bell Field
$318

Delta flights from Montana to Baltimore

Our best Delta deals on Montana to Baltimore flight tickets
Delta
Apr 19
BZN1:45 pmBozeman Gallatin Field
7h 41m
1 stop
BWI11:26 pmBaltimore/Washington
May 2
BWI3:00 pmBaltimore/Washington
7h 11m
1 stop
BZN8:11 pmBozeman Gallatin Field
$277
Delta
Apr 21
BZN7:18 amBozeman Gallatin Field
14h 08m
2 stops
BWI11:26 pmBaltimore/Washington
Apr 29
BWI6:08 amBaltimore/Washington
8h 26m
1 stop
BZN12:34 pmBozeman Gallatin Field
$282
Delta
Apr 9
BZN5:20 amBozeman Gallatin Field
10h 44m
2 stops
BWI6:04 pmBaltimore/Washington
Apr 13
BWI6:08 amBaltimore/Washington
8h 26m
1 stop
BZN12:34 pmBozeman Gallatin Field
$293

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 February 9, 2026.
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

Wed 4/22

4:20 pm-6:00 am

1 stop11h 40m

Baltimore/Washington

Wed 4/29

8:00 am-1:34 pm

1 stop7h 34m

$249

BozemanBaltimore

BZN - BWI

BZNBWI

Bozeman Gallatin Field

Wed 4/15

3:20 pm-11:50 pm

1 stop6h 30m

Baltimore/Washington

Mon 4/20

3:55 pm-10:05 pm

1 stop8h 10m

$274

BozemanBaltimore

BZN - BWI

BZNBWI

Bozeman Gallatin Field

Sun 4/19

1:45 pm-11:26 pm

1 stop7h 41m

Baltimore/Washington

Sat 5/2

3:00 pm-8:11 pm

1 stop7h 11m

$277

BozemanBaltimore

BZN - BWI

BZNBWI

Bozeman Gallatin Field

Tue 4/21

7:18 am-11:26 pm

2 stops14h 08m

Baltimore/Washington

Wed 4/29

6:08 am-12:34 pm

1 stop8h 26m

$282

BozemanBaltimore

BZN - BWI

BZNBWI

Bozeman Gallatin Field

Wed 3/18

2:43 pm-11:12 pm

1 stop6h 29m

Baltimore/Washington

Tue 3/24

4:03 pm-9:22 pm

1 stop7h 19m

$287

BozemanBaltimore

BZN - BWI

BZNBWI

Bozeman Gallatin Field

Tue 2/24

7:00 am-5:46 pm

1 stop8h 46m

Baltimore/Washington

Fri 2/27

6:46 pm-10:53 am

1 stop18h 07m

$288

BozemanBaltimore

BZN - BWI

BZNBWI

Bozeman Gallatin Field

Thu 4/9

5:20 am-6:04 pm

2 stops10h 44m

Baltimore/Washington

Mon 4/13

6:08 am-12:34 pm

1 stop8h 26m

$293

BozemanBaltimore

BZN - BWI

BZNBWI

Bozeman Gallatin Field

Wed 4/22

7:18 am-9:11 am

2 stops23h 53m

Baltimore/Washington

Sun 4/26

6:08 am-12:34 pm

1 stop8h 26m

$295

MissoulaBaltimore

MSO - BWI

MSOBWI

Missoula Johnson-Bell Field

Wed 5/13

3:30 pm-12:28 am

1 stop6h 58m

Baltimore/Washington

Thu 9/3

1:00 pm-11:47 pm

2 stops12h 47m

$298

HelenaBaltimore

HLN - BWI

HLNBWI

Helena

Fri 2/20

4:36 pm-5:46 pm

1 stop23h 10m

Baltimore/Washington

Fri 2/27

6:46 pm-3:59 pm

1 stop23h 13m

$334

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.

Can stopping save me money on Montana to Baltimore flights?

You could potentially save up to 47% 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

Fastest flight time

6h 07m

Direct flights

None
The fastest flight from Montana to Baltimore takes 6h 07m
There are no direct flights from Montana to Baltimore. There are no popular flight routes from Montana to Baltimore.
  • 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
United AirlinesPriceFrom $210Free CancellationRating
7.4
9,259 reviews
Search United Airlines flights
DeltaPriceFrom $229Free CancellationRating
7.9
8,174 reviews
Search Delta flights
SouthwestPriceFrom $254Free CancellationRating
8.0
4,282 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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1 adult
Wed 3/11
Wed 3/18

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