How long is the flight from Baltimore to Great Falls?

Alaska Airlines and Delta can get you from Baltimore to Great Falls in just under 7h 24m. Your travel time can differ by up to 16h 41m. There are 1817 mi between Baltimore and Great Falls. 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 Baltimore to Great Falls round-trip?

Cheapflights users have booked flights from Baltimore to Great Falls round-trip from $286.

In terms of precipitation, rainfall in Great Falls ranges from 0.5 - 2.5 inches per month. June is typically the wettest month, when rainfall can reach 2.5 in. January is typically the driest time to visit Great Falls when rainfall is around 0.5 in.

If weather is an important factor for your trip to Great Falls, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 68.0 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 24.8 F).

What is the cheapest time of day to fly from BWI to GTF?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Baltimore to Great Falls as you normally would.

Most accurate provider : When it comes to deals on Baltimore-Great Falls flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Baltimore-Great Falls flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Baltimore-Great Falls flight searches over the past month and is updated monthly.

Most trusted provider : When it comes to deals on Baltimore-Great Falls 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 Baltimore-Great Falls flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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

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

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

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

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

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

$269+ Flights from Baltimore to Great Falls

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1. Tell us where you want to go

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Cheap flight deals from Baltimore to Great Falls

Cheapest flights from Baltimore to Great Falls
Explore the most affordable flight options available from Baltimore to Great Falls. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 12, 2025.

Fri 12/127:00 amBWI - GTF

1 stop13h 55mAlaska Airlines

Sun 12/147:35 pmGTF - BWI

1 stop8h 05mAlaska Airlines

Deal found 12/10

$1,156

Fri 12/1210:20 amBWI - GTF

2 stops13h 12mUnited Airlines

Sun 12/146:15 amGTF - BWI

2 stops9h 10mUnited Airlines

Deal found 12/10

$1,827

Best flights from Baltimore to Great Falls
Discover carefully curated flight deals from Baltimore to Great Falls that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 12, 2025.

Tue 3/247:00 amBWI - GTF

1 stop7h 24mDelta

Wed 3/256:20 pmGTF - BWI

1 stop9h 31mDelta

Deal found 12/10

$486

Sat 2/77:14 pmBWI - GTF

1 stop24h 05mAlaska Airlines

Wed 2/115:59 pmGTF - BWI

1 stop21h 47mAlaska Airlines

Deal found 12/10

$508

Tue 3/247:00 amBWI - GTF

1 stop7h 24mDelta

Thu 3/266:20 pmGTF - BWI

1 stop9h 31mDelta

Deal found 12/10

$506

Mon 3/237:00 amBWI - GTF

1 stop7h 24mDelta

Wed 3/256:20 pmGTF - BWI

1 stop9h 31mDelta

Deal found 12/10

$547

Last-minute flights from Baltimore to Great Falls
Discover last-minute flight deals from Baltimore to Great Falls. Data last updated December 12, 2025 and is based on user searches.

Fri 12/127:00 amBWI - GTF

1 stop13h 55mAlaska Airlines

Sun 12/147:35 pmGTF - BWI

1 stop8h 05mAlaska Airlines

Deal found 12/10

$1,156

Fri 12/1210:20 amBWI - GTF

2 stops13h 12mUnited Airlines

Sun 12/146:15 amGTF - BWI

2 stops9h 10mUnited Airlines

Deal found 12/10

$1,827

One-way flights from Baltimore to Great Falls
Search for one-way flight options from Baltimore to Great Falls. Find affordable one-way fares based on user searches. Data last updated December 12, 2025.

Sat 5/1610:00 amBWI - GTF

2 stops14h 44mDelta

Deal found 12/10

$269

Sat 5/166:17 amBWI - GTF

3 stops17h 00mUnited Airlines

Deal found 12/10

$544

Find flight deals from Baltimore to Great Falls

Most accurate provider	eDreams 3 stars
Most trusted provider	eDreams 3 stars
Round-trip from	$420 (Alaska Airlines)
One-way from	$269 (Delta)
Popular in	January
Cheapest in	August
Average price	$608

Provider with most accurate pricing for Baltimore/Washington-Great Falls flight deals.

Search Deals

Provider most trusted by Cheapflights users for Baltimore/Washington-Great Falls flights.

Search Deals

From Baltimore/Washington to Great Falls

Search Deals

One-way flight from Baltimore/Washington to Great Falls

Search Deals

Highest demand for flights based on searches. 10% potential increase in price ($72 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 5% potential price decrease ($34 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in December 2025

Search Deals

Cheapflights Fare Finder

Use the filters below to find and compare flights from Baltimore to Great Falls that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

BaltimoreGreat Falls

BWI - GTF

BWIGTF

Baltimore/Washington

Tue 3/24

7:00 am-12:24 pm

1 stop7h 24m

Great Falls

Wed 3/25

6:20 pm-5:51 am

1 stop9h 31m

$486

BaltimoreGreat Falls

BWI - GTF

BWIGTF

Baltimore/Washington

Tue 3/24

7:00 am-12:24 pm

1 stop7h 24m

Great Falls

Thu 3/26

6:20 pm-5:51 am

1 stop9h 31m

$506

BaltimoreGreat Falls

BWI - GTF

BWIGTF

Baltimore/Washington

Sat 2/7

7:14 pm-5:19 pm

1 stop24h 05m

Great Falls

Wed 2/11

5:59 pm-5:46 pm

1 stop21h 47m

$508

BaltimoreGreat Falls

BWI - GTF

BWIGTF

Baltimore/Washington

Mon 3/23

7:00 am-12:24 pm

1 stop7h 24m

Great Falls

Wed 3/25

6:20 pm-5:51 am

1 stop9h 31m

$547

BaltimoreGreat Falls

BWI - GTF

BWIGTF

Baltimore/Washington

Sat 5/16

10:00 am-10:44 pm

2 stops14h 44m

$269

BaltimoreGreat Falls

BWI - GTF

BWIGTF

Baltimore/Washington

Sat 5/16

6:17 am-9:17 pm

3 stops17h 00m

$544

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/10

Compare providers for flights from Baltimore to Great Falls

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Baltimore to Great Falls in December.

Provider	Price Accuracy	Trust Score*
Expedia	Price Accuracy2 stars	Trust Score*3 stars
eDreams	Price Accuracy3 stars	Trust Score*3 stars
FlightHub	Price Accuracy3 stars	Trust Score*1 star

*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 Baltimore-Great Falls flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Baltimore-Great Falls flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Baltimore-Great Falls flight searches over the past month and is updated monthly.
Most trusted provider: When it comes to deals on Baltimore-Great Falls 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 Baltimore-Great Falls 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 Baltimore to Great Falls

Have a flexible travel schedule? Discover the best time to fly to Great Falls from Baltimore 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 Great Falls

Read reviews from past customers who have flown United Airlines from Baltimore to Great Falls. 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

9,095 reviews

Reviews

1 / 20

10.0

Excellent

Sunderesh,Dec 2025

AUS - EWR

Smooth flight from Austin to Newark. The crew was friendly.

United Airlines

7.4

Good

9,095 reviews

United Airlines

7.4

Good

9,095 reviews

Reviews

1 / 20

10.0

Excellent

Sunderesh,Dec 2025

AUS - EWR

Smooth flight from Austin to Newark. The crew was friendly.

Related info for your journey

How long is the flight from Baltimore to Great Falls?
Alaska Airlines and Delta can get you from Baltimore to Great Falls in just under 7h 24m. Your travel time can differ by up to 16h 41m. There are 1817 mi between Baltimore and Great Falls. 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 Baltimore to Great Falls round-trip?
Cheapflights users have booked flights from Baltimore to Great Falls round-trip from $286.
Can I find deals for flights from Baltimore to Great Falls that include hotel bookings?
Yes. In addition to deals on Baltimore to Great Falls flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Baltimore to Great Falls?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Baltimore to Great Falls.
Can I find deals for business class flights from Baltimore to Great Falls?
Yes. Cheapflights offers flight deals from Baltimore to Great Falls 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

Shelby

Browse thousands of different options on Cheapflights for your next trip

Alternative routes for Baltimore to Great Falls

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Top airline flying from Baltimore to Great Falls

Airline	Cheapest	Average	Flexibility	On-time
United Airlines	Cheapest$494	Average$597	FlexibilityNo cancel fee	On-time69%

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$269+ Cheap flights from Baltimore to Great Falls (BWI - GTF)

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 5/16. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Baltimore to Great Falls with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from Baltimore to Great Falls

Cheapest flights from Baltimore to Great FallsExplore the most affordable flight options available from Baltimore to Great Falls. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 12, 2025.

Explore the most affordable flight options available from Baltimore to Great Falls. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 12, 2025.

Find flight deals from Baltimore to Great Falls

Most accurate provider

Most trusted provider

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Cheapflights Fare Finder

Use the filters below to find and compare flights from Baltimore to Great Falls that are best for you.

Compare providers for flights from Baltimore to Great Falls

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 Baltimore to Great Falls in December.

Best time to book a flight from Baltimore to Great Falls

Have a flexible travel schedule? Discover the best time to fly to Great Falls from Baltimore with our price prediction graph.

Reviews of airlines servicing Great Falls

Read reviews from past customers who have flown United Airlines from Baltimore to Great Falls. 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.

Related info for your journey

Find useful and relevant information for your journey from Baltimore to Great Falls. 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 Baltimore to Great Falls?

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

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

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

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

Traveling to a place near Great Falls?

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Baltimore to Great Falls

See prices for flight routes from nearby airports that may be better suited for you.

Top airline flying from Baltimore to Great Falls

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Book with Flexibility

Travel Smart

Cheapest flights from Baltimore to Great Falls
Explore the most affordable flight options available from Baltimore to Great Falls. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 12, 2025.