Latest deals
Insights
When to book
FAQs
Reviews
Price Alerts

Cheap flights from Great Falls to Washington, D.C. from $243

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 5/26. 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

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Find the cheapest flights from Great Falls to Washington, D.C.

Cheap round-trip flights

Enter your travel dates to find the best prices.
Alaska Airlines Logo
5:59 pm - 6:14 pm
GTF
-
BWI
22h 15m1 stop
Alaska Airlines Logo
7:14 pm - 5:19 pm
BWI
-
GTF
24h 05m1 stop
$491Alaska Airlines
Mon, Jan 26 - Mon, Feb 2
Delta Logo
1:15 pm - 11:44 pm
GTF
-
BWI
8h 29m1 stop
Delta Logo
7:00 am - 12:32 pm
BWI
-
GTF
7h 32m1 stop
$494Delta
Wed, Jan 14 - Wed, Jan 21
United Airlines Logo
6:10 am - 3:04 pm
GTF
-
BWI
6h 54m1 stop
United Airlines Logo
10:05 am - 9:53 pm
BWI
-
GTF
13h 48m2 stops
$500United Airlines
Wed, Jan 14 - Wed, Jan 21
Delta Logo
1:12 pm - 11:44 pm
GTF
-
BWI
8h 32m1 stop
Delta Logo
7:00 am - 12:32 pm
BWI
-
GTF
7h 32m1 stop
$502Delta
Thu, Jan 22 - Mon, Jan 26
Delta Logo
1:12 pm - 11:44 pm
GTF
-
BWI
8h 32m1 stop
Delta Logo
8:45 am - 5:30 pm
BWI
-
GTF
10h 45m2 stops
$508Delta
Thu, Jan 22 - Mon, Jan 26
Delta Logo
6:10 pm - 9:23 am
GTF
-
BWI
13h 13m2 stops
Delta Logo
8:45 am - 5:30 pm
BWI
-
GTF
10h 45m2 stops
$513Delta
Thu, Jan 22 - Mon, Jan 26
Delta Logo
6:22 pm - 5:51 am
GTF
-
BWI
9h 29m1 stop
Delta Logo
6:00 am - 5:40 pm
BWI
-
GTF
13h 40m2 stops
$553Delta
Wed, Apr 8 - Mon, Apr 13
Delta Logo
6:22 pm - 9:39 am
GTF
-
BWI
13h 17m2 stops
Delta Logo
6:00 am - 5:40 pm
BWI
-
GTF
13h 40m2 stops
$558Delta
Wed, Apr 8 - Mon, Apr 13
United Airlines Logo
2:25 pm - 11:25 pm
GTF
-
BWI
7h 00m1 stop
United Airlines Logo
5:20 pm - 9:11 pm
BWI
-
GTF
29h 51m2 stops
$570United Airlines
Tue, Mar 3 - Wed, Mar 4
United Airlines Logo
2:25 pm - 11:25 pm
GTF
-
BWI
7h 00m1 stop
United Airlines Logo
4:09 pm - 9:33 pm
BWI
-
GTF
7h 24m1 stop
$576United Airlines
Tue, Mar 3 - Wed, Mar 4

Delta flights from Great Falls to Baltimore

Our best Delta deals on Great Falls to Baltimore flight tickets
Delta
Jan 14
GTF1:15 pmGreat Falls
8h 29m
1 stop
BWI11:44 pmBaltimore/Washington
Jan 21
BWI7:00 amBaltimore/Washington
7h 32m
1 stop
GTF12:32 pmGreat Falls
$494
Find similar
Delta
Jan 22
GTF1:12 pmGreat Falls
8h 32m
1 stop
BWI11:44 pmBaltimore/Washington
Jan 26
BWI7:00 amBaltimore/Washington
7h 32m
1 stop
GTF12:32 pmGreat Falls
$502
Find similar
Delta
Jan 22
GTF1:12 pmGreat Falls
8h 32m
1 stop
BWI11:44 pmBaltimore/Washington
Jan 26
BWI8:45 amBaltimore/Washington
10h 45m
2 stops
GTF5:30 pmGreat Falls
$508
Find similar

United Airlines flights from Great Falls to Baltimore

Our best United Airlines deals on Great Falls to Baltimore flight tickets
United Airlines
Jan 14
GTF6:10 amGreat Falls
6h 54m
1 stop
BWI3:04 pmBaltimore/Washington
Jan 21
BWI10:05 amBaltimore/Washington
13h 48m
2 stops
GTF9:53 pmGreat Falls
$500
Find similar
United Airlines
Mar 3
GTF2:25 pmGreat Falls
7h 00m
1 stop
BWI11:25 pmBaltimore/Washington
Mar 4
BWI5:20 pmBaltimore/Washington
29h 51m
2 stops
GTF9:11 pmGreat Falls
$570
Find similar
United Airlines
Mar 3
GTF2:25 pmGreat Falls
7h 00m
1 stop
BWI11:25 pmBaltimore/Washington
Mar 4
BWI4:09 pmBaltimore/Washington
7h 24m
1 stop
GTF9:33 pmGreat Falls
$576
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 December 22, 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

Mon 1/26

5:59 pm-6:14 pm

1 stop22h 15m

Baltimore/Washington

Mon 2/2

7:14 pm-5:19 pm

1 stop24h 05m

$491

Great FallsBaltimore

GTF - BWI

GTFBWI

Great Falls

Wed 1/14

1:15 pm-11:44 pm

1 stop8h 29m

Baltimore/Washington

Wed 1/21

7:00 am-12:32 pm

1 stop7h 32m

$494

Great FallsBaltimore

GTF - BWI

GTFBWI

Great Falls

Wed 1/14

6:10 am-3:04 pm

1 stop6h 54m

Baltimore/Washington

Wed 1/21

10:05 am-9:53 pm

2 stops13h 48m

$500

Great FallsBaltimore

GTF - BWI

GTFBWI

Great Falls

Thu 1/22

1:12 pm-11:44 pm

1 stop8h 32m

Baltimore/Washington

Mon 1/26

7:00 am-12:32 pm

1 stop7h 32m

$502

Great FallsBaltimore

GTF - BWI

GTFBWI

Great Falls

Thu 1/22

1:12 pm-11:44 pm

1 stop8h 32m

Baltimore/Washington

Mon 1/26

8:45 am-5:30 pm

2 stops10h 45m

$508

Great FallsBaltimore

GTF - BWI

GTFBWI

Great Falls

Thu 1/22

6:10 pm-9:23 am

2 stops13h 13m

Baltimore/Washington

Mon 1/26

8:45 am-5:30 pm

2 stops10h 45m

$513

Great FallsBaltimore

GTF - BWI

GTFBWI

Great Falls

Wed 4/8

6:22 pm-5:51 am

1 stop9h 29m

Baltimore/Washington

Mon 4/13

6:00 am-5:40 pm

2 stops13h 40m

$553

Great FallsBaltimore

GTF - BWI

GTFBWI

Great Falls

Wed 4/8

6:22 pm-9:39 am

2 stops13h 17m

Baltimore/Washington

Mon 4/13

6:00 am-5:40 pm

2 stops13h 40m

$558

Great FallsBaltimore

GTF - BWI

GTFBWI

Great Falls

Tue 3/3

2:25 pm-11:25 pm

1 stop7h 00m

Baltimore/Washington

Wed 3/4

5:20 pm-9:11 pm

2 stops29h 51m

$570

Great FallsBaltimore

GTF - BWI

GTFBWI

Great Falls

Tue 3/3

2:25 pm-11:25 pm

1 stop7h 00m

Baltimore/Washington

Wed 3/4

4:09 pm-9:33 pm

1 stop7h 24m

$576

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 15 resultsSorted by cheapest first
1
2

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

Fastest flight time

7h 00m

Direct flights

None
The fastest flight from Great Falls to Baltimore takes 7h 00m
There are no direct flights from Great Falls to Baltimore. There are no popular flight routes from Great Falls to Baltimore.
Search flight deals

  • 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 7h 00m.

  • 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
United AirlinesPriceFrom $455Free CancellationRating
7.4
9,102 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.

An easier way to manage your Baltimore trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Wed 1/21
Wed 1/28
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to the United States