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Cheap flights from Montana to Washington, D.C. from $162

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 12/20. 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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Find the cheapest flights from Montana to Washington, D.C.

Cheap round-trip flights

Multiple Airlines Logo
2:22 pm - 7:23 amBZN-BWI
15h 01m1 stop
Multiple Airlines Logo
8:26 pm - 1:32 pmBWI-BZN
43h 06m2 stops
$295Multiple Airlines
Find Deal
jue., nov. 6 - mar., nov. 11
Delta Logo
3:01 pm - 6:00 amBZN-BWI
12h 59m2 stops
Delta Logo
7:05 am - 1:19 pmBWI-BZN
8h 14m1 stop
$318Delta
Find Deal
sáb., nov. 1 - sáb., nov. 8
Alaska Airlines Logo
8:00 am - 6:16 pmBZN-BWI
8h 16m1 stop
Alaska Airlines Logo
7:38 am - 2:08 pmBWI-BZN
8h 30m1 stop
$322Alaska Airlines
Find Deal
mar., nov. 4 - mar., nov. 11
United Airlines Logo
2:28 pm - 11:18 pmBZN-BWI
6h 50m1 stop
United Airlines Logo
6:15 am - 11:43 amBWI-BZN
7h 28m1 stop
$323United Airlines
Find Deal
vie., oct. 24 - vie., oct. 31
United Airlines Logo
1:45 pm - 11:18 pmCOD-BWI
7h 33m1 stop
United Airlines Logo
4:21 pm - 10:26 pmBWI-COD
8h 05m1 stop
$328United Airlines
Find Deal
mar., oct. 7 - sáb., oct. 11
Hawaiian Airlines Logo
6:29 am - 6:16 pmMSO-BWI
9h 47m1 stop
Hawaiian Airlines Logo
7:00 am - 3:32 pmBWI-MSO
10h 32m1 stop
$338Hawaiian Airlines
Find Deal
sáb., dic. 6 - mié., dic. 10
American Airlines Logo
1:52 pm - 11:02 pmBZN-BWI
7h 10m1 stop
American Airlines Logo
5:04 am - 1:01 pmBWI-BZN
9h 57m2 stops
$347American Airlines
Find Deal
mié., nov. 19 - vie., nov. 21
Alaska Airlines Logo
6:29 am - 6:16 pmMSO-BWI
9h 47m1 stop
Alaska Airlines Logo
7:00 am - 3:32 pmBWI-MSO
10h 32m1 stop
$349Alaska Airlines
Find Deal
lun., dic. 8 - mié., dic. 10
American Airlines Logo
1:52 pm - 10:54 pmBZN-BWI
7h 02m1 stop
American Airlines Logo
6:02 am - 1:01 pmBWI-BZN
8h 59m1 stop
$372American Airlines
Find Deal
jue., nov. 6 - dom., nov. 9
Hawaiian Airlines Logo
6:29 am - 6:16 pmMSO-BWI
9h 47m1 stop
Hawaiian Airlines Logo
7:00 am - 3:32 pmBWI-MSO
10h 32m1 stop
$402Hawaiian Airlines
Find Deal
sáb., dic. 6 - mié., dic. 10

Hawaiian Airlines flights from Montana to Baltimore

Our best Hawaiian Airlines deals on Montana to Baltimore flight tickets
Hawaiian Airlines
Dec 6
MSO6:29 amMissoula Johnson-Bell Field
9h 47m
1 stop
BWI6:16 pmBaltimore/Washington
Dec 10
BWI7:00 amBaltimore/Washington
10h 32m
1 stop
MSO3:32 pmMissoula Johnson-Bell Field
$338
Find similar
Hawaiian Airlines
Dec 6
MSO6:29 amMissoula Johnson-Bell Field
9h 47m
1 stop
BWI6:16 pmBaltimore/Washington
Dec 10
BWI7:00 amBaltimore/Washington
10h 32m
1 stop
MSO3:32 pmMissoula Johnson-Bell Field
$402
Find similar

American Airlines flights from Montana to Baltimore

Our best American Airlines deals on Montana to Baltimore flight tickets
American Airlines
Nov 19
BZN1:52 pmBozeman Gallatin Field
7h 10m
1 stop
BWI11:02 pmBaltimore/Washington
Nov 21
BWI5:04 amBaltimore/Washington
9h 57m
2 stops
BZN1:01 pmBozeman Gallatin Field
$347
Find similar
American Airlines
Nov 6
BZN1:52 pmBozeman Gallatin Field
7h 02m
1 stop
BWI10:54 pmBaltimore/Washington
Nov 9
BWI6:02 amBaltimore/Washington
8h 59m
1 stop
BZN1:01 pmBozeman Gallatin Field
$372
Find similar
American Airlines
Mar 10
BZN1:58 pmBozeman Gallatin Field
5h 30m
1 stop
BWI9:28 pmBaltimore/Washington
Mar 11
BWI6:32 amBaltimore/Washington
10h 04m
1 stop
BZN2:36 pmBozeman Gallatin Field
$413
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 septiembre 24, 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

jue. 11/6

2:22 pm-7:23 am

1 stop15h 01m

Baltimore/Washington

mar. 11/11

8:26 pm-1:32 pm

2 stops43h 06m

$295

BozemanBaltimore

BZN - BWI

BZNBWI

Bozeman Gallatin Field

sáb. 11/1

3:01 pm-6:00 am

2 stops12h 59m

Baltimore/Washington

sáb. 11/8

7:05 am-1:19 pm

1 stop8h 14m

$318

BozemanBaltimore

BZN - BWI

BZNBWI

Bozeman Gallatin Field

mar. 11/4

8:00 am-6:16 pm

1 stop8h 16m

Baltimore/Washington

mar. 11/11

7:38 am-2:08 pm

1 stop8h 30m

$322

BozemanBaltimore

BZN - BWI

BZNBWI

Bozeman Gallatin Field

vie. 10/24

2:28 pm-11:18 pm

1 stop6h 50m

Baltimore/Washington

vie. 10/31

6:15 am-11:43 am

1 stop7h 28m

$323

CodyBaltimore

COD - BWI

CODBWI

Cody E.E. Faust

mar. 10/7

1:45 pm-11:18 pm

1 stop7h 33m

Baltimore/Washington

sáb. 10/11

4:21 pm-10:26 pm

1 stop8h 05m

$328

MissoulaBaltimore

MSO - BWI

MSOBWI

Missoula Johnson-Bell Field

sáb. 12/6

6:29 am-6:16 pm

1 stop9h 47m

Baltimore/Washington

mié. 12/10

7:00 am-3:32 pm

1 stop10h 32m

$338

BozemanBaltimore

BZN - BWI

BZNBWI

Bozeman Gallatin Field

mié. 11/19

1:52 pm-11:02 pm

1 stop7h 10m

Baltimore/Washington

vie. 11/21

5:04 am-1:01 pm

2 stops9h 57m

$347

MissoulaBaltimore

MSO - BWI

MSOBWI

Missoula Johnson-Bell Field

lun. 12/8

6:29 am-6:16 pm

1 stop9h 47m

Baltimore/Washington

mié. 12/10

7:00 am-3:32 pm

1 stop10h 32m

$349

BozemanBaltimore

BZN - BWI

BZNBWI

Bozeman Gallatin Field

jue. 11/6

1:52 pm-10:54 pm

1 stop7h 02m

Baltimore/Washington

dom. 11/9

6:02 am-1:01 pm

1 stop8h 59m

$372

MissoulaBaltimore

MSO - BWI

MSOBWI

Missoula Johnson-Bell Field

sáb. 12/6

6:29 am-6:16 pm

1 stop9h 47m

Baltimore/Washington

mié. 12/10

7:00 am-3:32 pm

1 stop10h 32m

$402

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 September is your next best option. Flight prices from Montana to Baltimore during September average around $366.

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.

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 $198Free CancellationRating
7.9
7,973 reviews
Search Delta flights
United AirlinesPriceFrom $210Free CancellationRating
7.4
8,928 reviews
Search United Airlines flights
SouthwestPriceFrom $348Free CancellationRating
8.0
4,244 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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