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$251+ Cheap flights from Great Falls to Baltimore (GTF - BWI)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 4/2. Fares are subject to change and may not be available on all flights or dates of travel.
GTF — BWI
Jan 17 — Jan 241
Sat 1/17
Sat 1/24
1 adult, Economy
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Cheap flight deals from Great Falls to Baltimore

Cheapest flights from Great Falls to Baltimore
Explore the most affordable flight options available from Great Falls to Baltimore. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 18, 2025.

This United Airlines deal was found by Cheapflights users on 12/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/266:15 amGTF - BWI
1 stop6h 44mUnited Airlines
Sat 1/38:15 amBWI - GTF
1 stop7h 24mUnited Airlines
Deal found 12/15$974
This United Airlines deal was found by Cheapflights users on 12/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/276:15 amGTF - BWI
2 stops8h 43mUnited Airlines
Sat 1/38:15 amBWI - GTF
1 stop7h 24mUnited Airlines
Deal found 12/15$980
This Delta deal was found by Cheapflights users on 12/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/265:30 amGTF - BWI
2 stops10h 18mDelta
Sat 1/37:00 amBWI - GTF
1 stop7h 31mDelta
Deal found 12/17$1,054
This United Airlines deal was found by Cheapflights users on 12/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/232:35 pmGTF - BWI
2 stops24h 23mUnited Airlines
Sun 12/284:05 pmBWI - GTF
1 stop8h 41mUnited Airlines
Deal found 12/17$1,185
This Delta deal was found by Cheapflights users on 12/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/311:11 pmGTF - BWI
2 stops8h 21mDelta
Sun 1/47:00 amBWI - GTF
1 stop7h 31mDelta
Deal found 12/15$1,194
This United Airlines deal was found by Cheapflights users on 12/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/316:15 amGTF - BWI
1 stop10h 34mUnited Airlines
Sun 1/48:15 amBWI - GTF
1 stop7h 24mUnited Airlines
Deal found 12/15$1,207

Find flight deals from Great Falls to Baltimore

Discover tips and strategies to find the most affordable flight options for your journey from Great Falls (GTF) to Baltimore (BWI). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated December 18, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$402
(Alaska Airlines)

One-way from

$251
(Delta)

Popular in

November

Cheapest in

April

Average price

$781
Provider with most accurate pricing for Great Falls-Baltimore/Washington flight deals.
Search Deals
Provider most trusted by Cheapflights users for Great Falls-Baltimore/Washington flights.
Search Deals
From Great Falls to Baltimore/Washington
Search Deals
One-way flight from Great Falls to Baltimore/Washington
Search Deals
Highest demand for flights based on searches. 29% potential increase in price ($255 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 7% potential price decrease ($43 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

Cheapflights 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, Cheapflights users made 2,558,603 searches. Data last updated December 18, 2025.
Use the filters below to find and compare flights from Great Falls to Baltimore that are best for you.

Fly from

Great Falls

Fly to

Baltimore

Route

Depart

Return

Price

Great FallsBaltimore

GTF - BWI

GTFBWI

Great Falls

Sat 1/31

5:59 pm-6:14 pm

1 stop22h 15m

Baltimore/Washington

Wed 2/4

7:14 pm-5:19 pm

1 stop24h 05m

$402

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

$486

Great FallsBaltimore

GTF - BWI

GTFBWI

Great Falls

Sat 1/10

5:59 pm-6:14 pm

1 stop22h 15m

Baltimore/Washington

Sat 1/17

7:14 pm-5:19 pm

1 stop24h 05m

$513

Great FallsBaltimore

GTF - BWI

GTFBWI

Great Falls

Wed 6/10

6:20 pm-6:03 am

1 stop9h 43m

Baltimore/Washington

Tue 6/16

7:10 am-12:23 pm

1 stop7h 13m

$547

Great FallsBaltimore

GTF - BWI

GTFBWI

Great Falls

Fri 6/12

6:20 pm-6:03 am

1 stop9h 43m

Baltimore/Washington

Tue 6/16

7:10 am-12:23 pm

1 stop7h 13m

$555

Great FallsBaltimore

GTF - BWI

GTFBWI

Great Falls

Thu 6/11

6:20 pm-6:03 am

1 stop9h 43m

Baltimore/Washington

Sun 6/14

7:10 am-12:23 pm

1 stop7h 13m

$555

Great FallsBaltimore

GTF - BWI

GTFBWI

Great Falls

Thu 4/9

6:20 pm-5:51 am

1 stop9h 31m

Baltimore/Washington

Mon 4/13

7:10 am-12:23 pm

1 stop7h 13m

$555

Great FallsBaltimore

GTF - BWI

GTFBWI

Great Falls

Sat 1/31

6:10 am-9:21 pm

2 stops13h 11m

Baltimore/Washington

Wed 2/4

4:10 pm-9:53 pm

1 stop7h 43m

$570

Great FallsBaltimore

GTF - BWI

GTFBWI

Great Falls

Sun 1/11

1:15 pm-11:44 pm

1 stop8h 29m

$251

Great FallsBaltimore

GTF - BWI

GTFBWI

Great Falls

Thu 4/2

6:20 pm-5:51 am

1 stop9h 31m

$251

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/16

Showing 1-10 of 13 results
1
2

Compare providers for flights from Great Falls to Baltimore

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Great Falls to Baltimore in December.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Great Falls-Baltimore flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Great Falls-Baltimore flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Great Falls-Baltimore flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Great Falls-Baltimore flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Great Falls-Baltimore flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Great Falls to Baltimore

Have a flexible travel schedule? Discover the best time to fly to Baltimore from Great Falls with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Reviews of airlines servicing Baltimore

Get insights into the airlines that provide service to Baltimore. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Baltimore. Reviews last updated December 18, 2025.
Read reviews from past customers who have flown United Airlines from Great Falls to Baltimore. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
9,091 reviews

Crew

8.1

Boarding

7.7

Food

6.6

Overall

7.4

Entertainment

7.1

Comfort

7.3

Reviews

1 / 20
4.0
Okay

Kevin,Dec 2025

BOS - EWR

Seems like every United flight has a delay and it’s always someone else’s fault. Step up and take some accountability
United Airlines
7.4
Good
9,091 reviews
United Airlines
7.4
Good
9,091 reviews

Crew

8.1

Boarding

7.7

Food

6.6

Overall

7.4

Entertainment

7.1

Comfort

7.3

Reviews

1 / 20
4.0
Okay

Kevin,Dec 2025

BOS - EWR

Seems like every United flight has a delay and it’s always someone else’s fault. Step up and take some accountability

Related info for your journey

Find useful and relevant information for your journey from Great Falls to Baltimore. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Great Falls to Baltimore?

    Alaska Airlines and Delta can get you from Great Falls to Baltimore in just under 8h 29m. Your travel time can differ by up to 13h 46m. Great Falls and Baltimore are separated by a distance of 1817 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What is the cheapest airline to fly from Great Falls to Baltimore round-trip?

    Cheapflights users have booked flights from Great Falls to Baltimore round-trip from $398. Users have found that United Airlines is 33% cheaper than the other options available to this destination.

  • Can I find deals for flights from Great Falls to Baltimore that include hotel bookings?

    Yes. In addition to deals on Great Falls to Baltimore flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Great Falls to Baltimore?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Great Falls to Baltimore.

  • Can I find deals for business class flights from Great Falls to Baltimore?

    Yes. Cheapflights offers flight deals from Great Falls to Baltimore by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

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Alternative routes for Great Falls to Baltimore

See prices for flight routes from nearby airports that may be better suited for you.
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Top airline flying from Great Falls to Baltimore

Discover the top airline that operate flights from Great Falls to Baltimore. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated December 18, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$455Average$669FlexibilityNo cancel feeOn-time69%

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