How long is the flight from Great Falls to Delaware?

Airlines like Delta and United Airlines fly from Great Falls to Delaware in about 6h 38m. The time it takes to get you to your destination can typically vary by up to 1h 28m. Great Falls and Delaware are separated by a distance of 1860 mi. Both multi-stop and nonstop flights can be found to your destination and back.

In terms of precipitation, rainfall in Delaware ranges from 2.9 - 4.3 inches per month. July is typically the wettest month, when rainfall can reach 4.3 in. February is typically the driest time to visit Delaware when rainfall is around 2.9 in.

If weather is an important factor for your trip to Delaware, 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 77.0 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 32.0 F).

What is the cheapest month to fly from Great Falls to Delaware?

April can be a great time to fly to Delaware from Great Falls with a flight ticket averaging about $782. Cheapflights users have found deals in the month of April for as cheap as $475. The most expensive prices can be found in the month of October.

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

When flying from Great Falls to Delaware, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

What airport do you fly from for flights from Great Falls to Delaware?

For a flight from Great Falls to Delaware, you will be flying from Great Falls. Great Falls (GTF) is just 3.5 mi from the center of the city.

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

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

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

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

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

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

$486+ Flights from Great Falls to Delaware

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Cheap flight deals from Great Falls to Delaware

Round-trip from	$486 (Delta)
Popular in	October
Cheapest in	April
Average price	$585

From Great Falls to Delaware

Search Deals

Highest demand for flights based on searches. 24% potential increase in price ($258 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 13% potential price decrease ($91 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in September 2025

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Find flight deals from Great Falls to Delaware

Cheapest flights from Great Falls to Delaware
Explore the most affordable flight options available from Great Falls to Delaware. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 15, 2025.

Thu 10/92:31 pmGTF - PHL

1 stop6h 38mUnited Airlines

Sat 10/113:45 pmPHL - GTF

1 stop7h 26mUnited Airlines

Deal found 9/14

$522

Wed 10/87:00 amGTF - PHL

1 stop14h 09mUnited Airlines

Sat 10/118:05 amPHL - GTF

1 stop7h 21mUnited Airlines

Deal found 9/14

$535

Thu 10/92:31 pmGTF - PHL

1 stop6h 38mUnited Airlines

Mon 10/133:45 pmPHL - GTF

1 stop7h 26mUnited Airlines

Deal found 9/14

$581

Wed 10/87:00 amGTF - PHL

1 stop14h 09mUnited Airlines

Mon 10/133:45 pmPHL - GTF

1 stop7h 26mUnited Airlines

Deal found 9/14

$594

Wed 10/87:00 amGTF - PHL

1 stop14h 09mUnited Airlines

Sun 10/128:00 amPHL - GTF

1 stop7h 26mUnited Airlines

Deal found 9/14

$668

Best flights from Great Falls to Delaware
Discover carefully curated flight deals from Great Falls to Delaware that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 15, 2025.

Tue 3/101:10 pmGTF - PHL

1 stop8h 06mDelta

Wed 3/117:00 amPHL - GTF

1 stop7h 32mDelta

Deal found 9/13

$486

Thu 10/92:31 pmGTF - PHL

1 stop6h 38mUnited Airlines

Sat 10/113:45 pmPHL - GTF

1 stop7h 26mUnited Airlines

Deal found 9/14

$522

Thu 10/92:31 pmGTF - PHL

1 stop6h 38mUnited Airlines

Mon 10/133:45 pmPHL - GTF

1 stop7h 26mUnited Airlines

Deal found 9/14

$581

Wed 10/87:00 amGTF - PHL

2 stops15h 45mUnited Airlines

Sat 10/1110:32 amPHL - GTF

2 stops12h 39mUnited Airlines

Deal found 9/14

$600

Wed 10/87:00 amGTF - PHL

2 stops15h 45mUnited Airlines

Mon 10/133:45 pmPHL - GTF

1 stop7h 26mUnited Airlines

Deal found 9/14

$654

Last-minute flights from Great Falls to Delaware
Discover last-minute flight deals from Great Falls to Delaware. Data last updated September 15, 2025 and is based on user searches.

Wed 10/87:00 amGTF - PHL

1 stop14h 09mUnited Airlines

Sat 10/118:05 amPHL - GTF

1 stop7h 21mUnited Airlines

Deal found 9/14

$535

Wed 10/87:00 amGTF - PHL

1 stop14h 09mUnited Airlines

Mon 10/133:45 pmPHL - GTF

1 stop7h 26mUnited Airlines

Deal found 9/14

$594

Wed 10/87:00 amGTF - PHL

1 stop14h 09mUnited Airlines

Sun 10/128:00 amPHL - GTF

1 stop7h 26mUnited Airlines

Deal found 9/14

$668

Thu 10/92:31 pmGTF - PHL

1 stop6h 38mUnited Airlines

Sat 10/113:45 pmPHL - GTF

1 stop7h 26mUnited Airlines

Deal found 9/14

$522

Thu 10/92:31 pmGTF - PHL

1 stop6h 38mUnited Airlines

Mon 10/133:45 pmPHL - GTF

1 stop7h 26mUnited Airlines

Deal found 9/14

$581

One-way flights from Great Falls to Delaware
Search for one-way flight options from Great Falls to Delaware. Find affordable one-way fares based on user searches. Data last updated September 15, 2025.

Sun 11/26:09 pmGTF - PHL

1 stop9h 41mDelta

Deal found 9/14

$561

Sun 11/25:20 amGTF - PHL

2 stops15h 55mUnited Airlines

Deal found 9/14

$962

Cheapflights Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

Great FallsPhiladelphia

GTF - PHL

GTFPHL

Great Falls

Tue 3/10

1:10 pm-11:16 pm

1 stop8h 06m

Philadelphia

Wed 3/11

7:00 am-12:32 pm

1 stop7h 32m

$486

Great FallsPhiladelphia

GTF - PHL

GTFPHL

Great Falls

Thu 10/9

2:31 pm-11:09 pm

1 stop6h 38m

Philadelphia

Sat 10/11

3:45 pm-9:11 pm

1 stop7h 26m

$522

Great FallsPhiladelphia

GTF - PHL

GTFPHL

Great Falls

Thu 10/9

2:31 pm-11:09 pm

1 stop6h 38m

Philadelphia

Mon 10/13

3:45 pm-9:11 pm

1 stop7h 26m

$581

Great FallsPhiladelphia

GTF - PHL

GTFPHL

Great Falls

Wed 10/8

7:00 am-12:45 am

2 stops15h 45m

Philadelphia

Sat 10/11

10:32 am-9:11 pm

2 stops12h 39m

$600

Great FallsPhiladelphia

GTF - PHL

GTFPHL

Great Falls

Wed 10/8

7:00 am-12:45 am

2 stops15h 45m

Philadelphia

Mon 10/13

3:45 pm-9:11 pm

1 stop7h 26m

$654

Great FallsPhiladelphia

GTF - PHL

GTFPHL

Great Falls

Sun 11/2

6:09 pm-5:50 am

1 stop9h 41m

$561

Great FallsPhiladelphia

GTF - PHL

GTFPHL

Great Falls

Sun 11/2

5:20 am-11:15 pm

2 stops15h 55m

$962

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/14

Best time to book a flight from Great Falls to Delaware

Have a flexible travel schedule? Discover the best time to fly to Delaware 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.

Cheapflights Insights

Everything you need to know about your flight from Great Falls to Delaware

No data available for this route at this time. Please check back soon.

Related info for your journey

What airport do you fly from for flights from Great Falls to Delaware?
For a flight from Great Falls to Delaware, you will be flying from Great Falls. Great Falls (GTF) is just 3.5 mi from the center of the city.
How long is the flight from Great Falls to Delaware?
Airlines like Delta and United Airlines fly from Great Falls to Delaware in about 6h 38m. The time it takes to get you to your destination can typically vary by up to 1h 28m. Great Falls and Delaware are separated by a distance of 1860 mi. Both multi-stop and nonstop flights can be found to your destination and back.
Can I find deals for flights from Great Falls to Delaware that include hotel bookings?
Yes. In addition to deals on Great Falls to Delaware flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Great Falls to Delaware?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Great Falls to Delaware.
Can I find deals for business class flights from Great Falls to Delaware?
Yes. Cheapflights offers flight deals from Great Falls to Delaware 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

Browse thousands of different options on Cheapflights for your next trip

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$486+ Cheap flights from Great Falls (GTF) to Delaware

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 3/10. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Great Falls to Delaware with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from Great Falls to Delaware

Keep the following information in mind while searching for Great Falls to Delaware flight deals. Data was last updated September 15, 2025.

Round-trip from

Popular in

Cheapest in

Average price

Find flight deals from Great Falls to Delaware

Cheapest flights from Great Falls to DelawareExplore the most affordable flight options available from Great Falls to Delaware. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 15, 2025.

Explore the most affordable flight options available from Great Falls to Delaware. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 15, 2025.

Cheapflights Fare Finder

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

Best time to book a flight from Great Falls to Delaware

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

Cheapflights Insights

Everything you need to know about your flight from Great Falls to Delaware

Related info for your journey

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

What airport do you fly from for flights from Great Falls to Delaware?

How long is the flight from Great Falls to Delaware?

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

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

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

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 Great Falls to Delaware

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Cheapest flights from Great Falls to Delaware
Explore the most affordable flight options available from Great Falls to Delaware. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 15, 2025.