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Cheap flights from Great Falls to Washington, D.C. from $150

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Great Falls to Washington, D.C. departing on 9/29. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from Great Falls to Washington, D.C.

Cheap round-trip flights

Logo
2:52 pm - 7:19 pmGTF-BWI
26h 27m2 stops
Logo
8:25 pm - 10:22 amBWI-GTF
15h 57m1 stop
$352
Find Deal
Wed, Nov 26 - Tue, Dec 2
Logo
2:52 pm - 7:23 amGTF-BWI
14h 31m1 stop
Logo
8:25 pm - 10:22 amBWI-GTF
15h 57m1 stop
$385
Find Deal
Wed, Nov 26 - Tue, Dec 2
Logo
10:56 am - 7:23 amGTF-BWI
18h 27m1 stop
Logo
6:55 pm - 9:40 pmBWI-GTF
28h 45m2 stops
$468
Find Deal
Fri, Nov 21 - Sun, Jan 4
Delta Logo
6:15 pm - 6:07 amGTF-BWI
9h 52m1 stop
Delta Logo
7:10 am - 12:32 pmBWI-GTF
7h 22m1 stop
$504Delta
Find Deal
Mon, Mar 9 - Wed, Mar 11
Delta Logo
6:15 pm - 6:07 amGTF-BWI
9h 52m1 stop
Delta Logo
10:00 am - 10:53 pmBWI-GTF
14h 53m2 stops
$510Delta
Find Deal
Mon, Mar 9 - Wed, Mar 11
Alaska Airlines Logo
6:15 pm - 6:12 amGTF-BWI
9h 57m1 stop
Alaska Airlines Logo
7:51 am - 5:35 pmBWI-GTF
11h 44m1 stop
$529Alaska Airlines
Find Deal
Sun, Oct 12 - Sat, Oct 18
United Airlines Logo
2:31 pm - 11:18 pmGTF-BWI
6h 47m1 stop
United Airlines Logo
4:21 pm - 9:11 pmBWI-GTF
6h 50m1 stop
$560United Airlines
Find Deal
Sat, Sep 27 - Tue, Oct 7
United Airlines Logo
2:31 pm - 11:18 pmGTF-BWI
6h 47m1 stop
United Airlines Logo
10:51 am - 9:11 pmBWI-GTF
12h 20m2 stops
$566United Airlines
Find Deal
Sat, Sep 27 - Tue, Oct 7
Alaska Airlines Logo
7:42 pm - 5:39 amGTF-BWI
7h 57m1 stop
Alaska Airlines Logo
7:16 pm - 6:55 pmBWI-GTF
25h 39m1 stop
$628Alaska Airlines
Find Deal
Wed, Nov 26 - Tue, Dec 2
Hawaiian Airlines Logo
4:29 pm - 5:39 amGTF-BWI
11h 10m1 stop
Hawaiian Airlines Logo
7:00 am - 3:49 pmBWI-GTF
10h 49m1 stop
$892Hawaiian Airlines
Find Deal
Sun, Sep 21 - Tue, Sep 30

Alaska Airlines flights from Great Falls to Baltimore

Our best Alaska Airlines deals on Great Falls to Baltimore flight tickets
Alaska Airlines
Oct 12
GTF6:15 pmGreat Falls
9h 57m
1 stop
BWI6:12 amBaltimore/Washington
Oct 18
BWI7:51 amBaltimore/Washington
11h 44m
1 stop
GTF5:35 pmGreat Falls
$529
Find similar
Alaska Airlines
Nov 26
GTF7:42 pmGreat Falls
7h 57m
1 stop
BWI5:39 amBaltimore/Washington
Dec 2
BWI7:16 pmBaltimore/Washington
25h 39m
1 stop
GTF6:55 pmGreat Falls
$628
Find similar
Alaska Airlines
Sep 27
GTF4:29 pmGreat Falls
11h 10m
1 stop
BWI5:39 amBaltimore/Washington
Oct 7
BWI7:51 amBaltimore/Washington
11h 44m
1 stop
GTF5:35 pmGreat Falls
$632
Find similar

United Airlines flights from Great Falls to Baltimore

Our best United Airlines deals on Great Falls to Baltimore flight tickets
United Airlines
Sep 27
GTF2:31 pmGreat Falls
6h 47m
1 stop
BWI11:18 pmBaltimore/Washington
Oct 7
BWI4:21 pmBaltimore/Washington
6h 50m
1 stop
GTF9:11 pmGreat Falls
$560
Find similar
United Airlines
Sep 27
GTF2:31 pmGreat Falls
6h 47m
1 stop
BWI11:18 pmBaltimore/Washington
Oct 7
BWI10:51 amBaltimore/Washington
12h 20m
2 stops
GTF9:11 pmGreat Falls
$566
Find similar
United Airlines
Oct 16
GTF2:31 pmGreat Falls
6h 47m
1 stop
BWI11:18 pmBaltimore/Washington
Oct 19
BWI8:32 amBaltimore/Washington
6h 54m
1 stop
GTF1:26 pmGreat Falls
$570
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Great Falls 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 September 10, 2025.
Use the filters below to find and compare flights from Great Falls to Baltimore that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Great FallsBaltimore

GTF - BWI

GTFBWI

Great Falls

Wed 11/26

2:52 pm-7:19 pm

2 stops26h 27m

Baltimore/Washington

Tue 12/2

8:25 pm-10:22 am

1 stop15h 57m

$352

Great FallsBaltimore

GTF - BWI

GTFBWI

Great Falls

Wed 11/26

2:52 pm-7:23 am

1 stop14h 31m

Baltimore/Washington

Tue 12/2

8:25 pm-10:22 am

1 stop15h 57m

$385

Great FallsBaltimore

GTF - BWI

GTFBWI

Great Falls

Fri 11/21

10:56 am-7:23 am

1 stop18h 27m

Baltimore/Washington

Sun 1/4

6:55 pm-9:40 pm

2 stops28h 45m

$468

Great FallsBaltimore

GTF - BWI

GTFBWI

Great Falls

Mon 3/9

6:15 pm-6:07 am

1 stop9h 52m

Baltimore/Washington

Wed 3/11

7:10 am-12:32 pm

1 stop7h 22m

$504

Great FallsBaltimore

GTF - BWI

GTFBWI

Great Falls

Mon 3/9

6:15 pm-6:07 am

1 stop9h 52m

Baltimore/Washington

Wed 3/11

10:00 am-10:53 pm

2 stops14h 53m

$510

Great FallsBaltimore

GTF - BWI

GTFBWI

Great Falls

Sun 10/12

6:15 pm-6:12 am

1 stop9h 57m

Baltimore/Washington

Sat 10/18

7:51 am-5:35 pm

1 stop11h 44m

$529

Great FallsBaltimore

GTF - BWI

GTFBWI

Great Falls

Sat 9/27

2:31 pm-11:18 pm

1 stop6h 47m

Baltimore/Washington

Tue 10/7

4:21 pm-9:11 pm

1 stop6h 50m

$560

Great FallsBaltimore

GTF - BWI

GTFBWI

Great Falls

Sat 9/27

2:31 pm-11:18 pm

1 stop6h 47m

Baltimore/Washington

Tue 10/7

10:51 am-9:11 pm

2 stops12h 20m

$566

Great FallsBaltimore

GTF - BWI

GTFBWI

Great Falls

Wed 11/26

7:42 pm-5:39 am

1 stop7h 57m

Baltimore/Washington

Tue 12/2

7:16 pm-6:55 pm

1 stop25h 39m

$628

Great FallsBaltimore

GTF - BWI

GTFBWI

Great Falls

Sun 9/21

4:29 pm-5:39 am

1 stop11h 10m

Baltimore/Washington

Tue 9/30

7:00 am-3:49 pm

1 stop10h 49m

$892

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 Great Falls 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 day to depart on your flight to Baltimore?

The cheapest day to depart from Great Falls to Baltimore is on a Tuesday. Travelers who choose to depart for Baltimore on a Tuesday will often find tickets for as low as $374. If your travel schedule is flexible, try to avoid departing on a Thursday because tickets tend to average around $604. 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 Great Falls in the afternoon is the least expensive time of day to depart. momondo users have found prices as low as $374 when looking at flights departing in the afternoon. Flights in the morning are often more expensive with an average ticket price of $560.

When to book flights from Great Falls to Baltimore

Are you open to changing your travel dates? Check out the ideal times to fly from Great Falls to Baltimore according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Great Falls to Baltimore (GTF to BWI) flight deals and tips

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

Direct flights

None
There are no direct flights from Great Falls to Baltimore. There are no popular flight routes from Great Falls to Baltimore.
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  • How far is Great Falls to Baltimore/Washington by plane?

    A flight from Great Falls to Baltimore/Washington will travel around 1812.9 mi. A reasonable flight in good conditions will take 6h 27m.

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

    Prices for flights from Great Falls Airport to Baltimore/Washington Airport were last updated today.

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

  • How old do you have to be to fly from Great Falls Airport 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 Great Falls Airport to Baltimore/Washington Airport.

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

    The travel and health documents you'll need for your trip to Baltimore/Washington Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Baltimore/Washington Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • What is the most popular airline from Great Falls to Baltimore?

Best airlines flying from Great Falls to Baltimore

Compare and see reviews for airlines that fly from Great Falls to Baltimore with momondo
Airline
Rating
Free Cancellation
Price
DeltaPriceFrom $295Free CancellationRating
7.9
7,963 reviews
Search Delta flights
United AirlinesPriceFrom $428Free CancellationRating
7.4
8,937 reviews
Search United Airlines flights

Why use momondo?

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

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Great Falls to Baltimore for you.

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

Yes. momondo enables you to select and highlight flights to Baltimore from Great Falls with this policy.

How can momondo help me find flights from Great Falls to Baltimore?

Once all potential Great Falls 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 Great Falls to Baltimore right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to Baltimore from Great Falls. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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