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Cheap flights from Montana to Washington, D.C. from $103

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 4/29. 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

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

Cheap round-trip flights

Enter your travel dates to find the best prices.
Southwest Logo
2:55 pm - 5:20 am
BZN
-
BWI
12h 25m
1 stop
Southwest Logo
1:30 pm - 9:40 pm
BWI
-
BZN
10h 10m
2 stops
$255Southwest
Sat, Apr 25 - Sat, May 2
Southwest Logo
4:20 pm - 12:25 am
BZN
-
BWI
6h 05m
1 stop
Southwest Logo
7:45 am - 2:15 pm
BWI
-
BZN
8h 30m
1 stop
$264Southwest
Fri, Apr 24 - Sat, Apr 25
Delta Logo
11:59 am - 11:25 pm
BZN
-
BWI
9h 26m
1 stop
Delta Logo
3:00 pm - 8:11 pm
BWI
-
BZN
7h 11m
1 stop
$277Delta
Sat, Apr 25 - Sat, May 2
Delta Logo
6:34 pm - 6:00 am
BZN
-
BWI
9h 26m
1 stop
Delta Logo
6:08 am - 12:34 pm
BWI
-
BZN
8h 26m
1 stop
$318Delta
Sun, Apr 19 - Mon, Apr 27
American Airlines Logo
1:51 pm - 11:09 pm
BIL
-
BWI
7h 18m
1 stop
American Airlines Logo
4:11 pm - 10:43 pm
BWI
-
BIL
8h 32m
1 stop
$350American Airlines
Thu, Apr 16 - Thu, Apr 23
United Airlines Logo
12:35 pm - 9:26 pm
FCA
-
BWI
6h 51m
1 stop
United Airlines Logo
6:10 am - 11:29 am
BWI
-
FCA
7h 19m
1 stop
$359United Airlines
Fri, May 22 - Mon, May 25
United Airlines Logo
2:30 pm - 11:24 pm
GTF
-
BWI
6h 54m
1 stop
United Airlines Logo
8:00 am - 1:31 pm
BWI
-
GTF
7h 31m
1 stop
$383United Airlines
Wed, Apr 15 - Tue, Apr 21
Alaska Airlines Logo
7:00 am - 6:16 pm
BIL
-
BWI
9h 16m
1 stop
Alaska Airlines Logo
7:16 pm - 12:07 pm
BWI
-
BIL
18h 51m
1 stop
$384Alaska Airlines
Fri, Apr 24 - Fri, May 1
Alaska Airlines Logo
6:22 pm - 5:44 am
HLN
-
BWI
9h 22m
1 stop
Alaska Airlines Logo
7:04 am - 5:45 pm
BWI
-
HLN
12h 41m
1 stop
$384Alaska Airlines
Thu, May 7 - Tue, May 12
American Airlines Logo
12:25 pm - 11:44 pm
FCA
-
BWI
9h 19m
1 stop
American Airlines Logo
6:00 am - 12:35 pm
BWI
-
FCA
8h 35m
1 stop
$444American Airlines
Thu, Jun 4 - Mon, Jun 8

Alaska Airlines flights from Montana to Baltimore

Our best Alaska Airlines deals on Montana to Baltimore flight tickets
Alaska Airlines
Apr 27
BZN11:23 amBozeman Gallatin Field
16h 21m
1 stop
BWI5:44 amBaltimore/Washington
Apr 30
BWI7:04 amBaltimore/Washington
9h 51m
1 stop
BZN2:55 pmBozeman Gallatin Field
$329
Alaska Airlines
Apr 27
BZN11:23 amBozeman Gallatin Field
16h 21m
1 stop
BWI5:44 amBaltimore/Washington
Apr 30
BWI7:04 amBaltimore/Washington
18h 54m
1 stop
BZN11:58 pmBozeman Gallatin Field
$337
Alaska Airlines
May 7
HLN6:22 pmHelena
9h 22m
1 stop
BWI5:44 amBaltimore/Washington
May 12
BWI7:04 amBaltimore/Washington
12h 41m
1 stop
HLN5:45 pmHelena
$384

Delta flights from Montana to Baltimore

Our best Delta deals on Montana to Baltimore flight tickets
Delta
Apr 25
BZN11:59 amBozeman Gallatin Field
9h 26m
1 stop
BWI11:25 pmBaltimore/Washington
May 2
BWI3:00 pmBaltimore/Washington
7h 11m
1 stop
BZN8:11 pmBozeman Gallatin Field
$277
Delta
Apr 19
BZN6:34 pmBozeman Gallatin Field
9h 26m
1 stop
BWI6:00 amBaltimore/Washington
Apr 27
BWI6:08 amBaltimore/Washington
8h 26m
1 stop
BZN12:34 pmBozeman Gallatin Field
$318
Delta
Jun 9
BZN7:30 pmBozeman Gallatin Field
8h 20m
1 stop
BWI5:50 amBaltimore/Washington
Jun 15
BWI6:08 amBaltimore/Washington
10h 40m
2 stops
BZN2:48 pmBozeman Gallatin Field
$323

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 March 29, 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

Cheapest round-trip

BozemanBaltimore

BZN - BWI

BZNBWI

Bozeman Gallatin Field

Sat 4/25

2:55 pm-5:20 am

1 stop12h 25m

Baltimore/Washington

Sat 5/2

1:30 pm-9:40 pm

2 stops10h 10m

$255

BozemanBaltimore

BZN - BWI

BZNBWI

Bozeman Gallatin Field

Fri 4/24

4:20 pm-12:25 am

1 stop6h 05m

Baltimore/Washington

Sat 4/25

7:45 am-2:15 pm

1 stop8h 30m

$264

BozemanBaltimore

BZN - BWI

BZNBWI

Bozeman Gallatin Field

Sat 4/25

11:59 am-11:25 pm

1 stop9h 26m

Baltimore/Washington

Sat 5/2

3:00 pm-8:11 pm

1 stop7h 11m

$277

BozemanBaltimore

BZN - BWI

BZNBWI

Bozeman Gallatin Field

Sun 4/19

6:34 pm-6:00 am

1 stop9h 26m

Baltimore/Washington

Mon 4/27

6:08 am-12:34 pm

1 stop8h 26m

$318

BillingsBaltimore

BIL - BWI

BILBWI

Billings Logan Intl

Thu 4/16

1:51 pm-11:09 pm

1 stop7h 18m

Baltimore/Washington

Thu 4/23

4:11 pm-10:43 pm

1 stop8h 32m

$350
Quickest round-trip

KalispellBaltimore

FCA - BWI

FCABWI

Kalispell Glacier Park

Fri 5/22

12:35 pm-9:26 pm

1 stop6h 51m

Baltimore/Washington

Mon 5/25

6:10 am-11:29 am

1 stop7h 19m

$359

Great FallsBaltimore

GTF - BWI

GTFBWI

Great Falls

Wed 4/15

2:30 pm-11:24 pm

1 stop6h 54m

Baltimore/Washington

Tue 4/21

8:00 am-1:31 pm

1 stop7h 31m

$383

BillingsBaltimore

BIL - BWI

BILBWI

Billings Logan Intl

Fri 4/24

7:00 am-6:16 pm

1 stop9h 16m

Baltimore/Washington

Fri 5/1

7:16 pm-12:07 pm

1 stop18h 51m

$384

HelenaBaltimore

HLN - BWI

HLNBWI

Helena

Thu 5/7

6:22 pm-5:44 am

1 stop9h 22m

Baltimore/Washington

Tue 5/12

7:04 am-5:45 pm

1 stop12h 41m

$384

KalispellBaltimore

FCA - BWI

FCABWI

Kalispell Glacier Park

Thu 6/4

12:25 pm-11:44 pm

1 stop9h 19m

Baltimore/Washington

Mon 6/8

6:00 am-12:35 pm

1 stop8h 35m

$444

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 March, then August is your next best option. Flight prices from Montana to Baltimore during August average around $346.

Can stopping save me money on Montana to Baltimore flights?

You could potentially save up to 50% 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

5h 20m

Direct flights

None
The fastest flight from Montana to Baltimore takes 5h 20m
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
United AirlinesPriceFrom $248Free CancellationRating
7.4
9,510 reviews
Search United Airlines flights
SouthwestPriceFrom $254Free CancellationRating
8.0
4,331 reviews
Search Southwest flights
DeltaPriceFrom $276Free CancellationRating
7.9
8,359 reviews
Search Delta 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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