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$225+ Cheap flights from LaGuardia, NY (LGA) to Great Falls (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 9/9. Fares are subject to change and may not be available on all flights or dates of travel.
LGA — GTF
Aug 25 — Sep 11
Mon 8/25
Mon 9/1
1 adult, Economy
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Cheap flight deals from LaGuardia to Great Falls

Discover tips and strategies to find the most affordable flight options for your journey from LaGuardia (LGA) to Great Falls (GTF). 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 August 20, 2025.

Round-trip from

$355
(Mytrip)

One-way from

$225
(United Airlines)

Popular in

December

Cheapest in

January

Average price

$544
From New York LaGuardia to Great Falls
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One-way flight from New York LaGuardia to Great Falls
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Highest demand for flights based on searches. 7% potential increase in price ($46 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($23 potential savings vs. average RT price).
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Average for round-trip flights in August 2025
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Find flight deals from LaGuardia to Great Falls

Cheapest flights from LaGuardia to Great Falls
Explore the most affordable flight options available from LaGuardia to Great Falls. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 20, 2025.

This Mytrip deal was found by Cheapflights users on 8/20. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/46:30 pmLGA - GTF
3 stops29h 01mMultiple Airlines
Mon 9/84:55 pmGTF - LGA
2 stops15h 05mMultiple Airlines
Deal found 8/20$355
This Mytrip deal was found by Cheapflights users on 8/18. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/28:49 amLGA - GTF
3 stops38h 48mMultiple Airlines
Thu 10/91:05 pmGTF - LGA
3 stops31h 24mMultiple Airlines
Deal found 8/18$448
This United Airlines deal was found by Cheapflights users on 8/18. 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 9/193:25 pmLGA - GTF
1 stop8h 03mUnited Airlines
Tue 9/237:00 amGTF - LGA
2 stops10h 17mUnited Airlines
Deal found 8/18$466
This United Airlines deal was found by Cheapflights users on 8/19. 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.
Mon 9/227:00 amLGA - GTF
1 stop16h 28mUnited Airlines
Tue 9/302:31 pmGTF - LGA
1 stop6h 51mUnited Airlines
Deal found 8/19$513
This United Airlines deal was found by Cheapflights users on 8/18. 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 9/23:25 pmLGA - GTF
1 stop8h 03mUnited Airlines
Sat 9/67:00 amGTF - LGA
1 stop6h 42mUnited Airlines
Deal found 8/18$514
This United Airlines deal was found by Cheapflights users on 8/20. 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.
Thu 9/46:41 pmLGA - GTF
1 stop28h 47mUnited Airlines
Mon 9/87:00 amGTF - LGA
1 stop14h 24mUnited Airlines
Deal found 8/20$530
This Delta deal was found by Cheapflights users on 8/19. 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 8/293:15 pmLGA - GTF
1 stop7h 19mDelta
Wed 9/36:00 amGTF - LGA
1 stop9h 15mDelta
Deal found 8/19$553

Cheapflights Fare Finder

 
Customize your flight search to find flights from LaGuardia to Great Falls 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 August 20, 2025.
Use the filters below to find and compare flights from New York LaGuardia Airport to Great Falls that are best for you.

Fly from

LaGuardia

Fly to

Great Falls

Route

Depart

Return

Price

New YorkGreat Falls

LGA - GTF

LGAGTF

New York LaGuardia

Thu 9/4

6:30 pm-9:31 pm

3 stops29h 01m

Great Falls

Mon 9/8

4:55 pm-10:00 am

2 stops15h 05m

$355

New YorkGreat Falls

LGA - GTF

LGAGTF

New York LaGuardia

Thu 10/2

8:49 am-9:37 pm

3 stops38h 48m

Great Falls

Thu 10/9

1:05 pm-10:29 pm

3 stops31h 24m

$448

New YorkGreat Falls

LGA - GTF

LGAGTF

New York LaGuardia

Fri 9/19

3:25 pm-9:28 pm

1 stop8h 03m

Great Falls

Tue 9/23

7:00 am-7:17 pm

2 stops10h 17m

$466

New YorkGreat Falls

LGA - GTF

LGAGTF

New York LaGuardia

Mon 9/22

7:00 am-9:28 pm

1 stop16h 28m

Great Falls

Tue 9/30

2:31 pm-11:22 pm

1 stop6h 51m

$513

New YorkGreat Falls

LGA - GTF

LGAGTF

New York LaGuardia

Tue 9/2

3:25 pm-9:28 pm

1 stop8h 03m

Great Falls

Sat 9/6

7:00 am-3:42 pm

1 stop6h 42m

$514

New YorkGreat Falls

LGA - GTF

LGAGTF

New York LaGuardia

Thu 9/4

11:20 am-9:28 pm

2 stops12h 08m

Great Falls

Mon 9/8

2:35 pm-11:24 pm

1 stop6h 49m

$524

New YorkGreat Falls

LGA - GTF

LGAGTF

New York LaGuardia

Thu 9/4

10:30 am-8:34 pm

2 stops12h 04m

Great Falls

Mon 9/8

6:06 pm-9:46 am

2 stops13h 40m

$529

New YorkGreat Falls

LGA - GTF

LGAGTF

New York LaGuardia

Tue 9/9

3:25 pm-9:28 pm

1 stop8h 03m

$225

New YorkGreat Falls

LGA - GTF

LGAGTF

New York LaGuardia

Fri 8/29

3:25 pm-9:28 pm

1 stop8h 03m

$378

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/18

Best time to book a flight from LaGuardia to Great Falls

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

Related info for your journey

Find useful and relevant information for your journey from LaGuardia to Great Falls. 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 into for flights to Great Falls from New York LaGuardia?

    Great Falls (GTF), located 3.5 mi from the city center, is the airport you fly into when you book flights from New York LaGuardia to Great Falls. 0 airlines have flights to Great Falls from New York LaGuardia on a regular basis. Booking flights from New York LaGuardia to Great Falls should not be difficult; the airport handles an average of 0 inbound flights from New York LaGuardia per day.

  • How long is the flight from New York LaGuardia Airport to Great Falls?

    A quick flight from New York LaGuardia Airport to Great Falls can take about 8h 03m. United Airlines provides one of the quickest options available for as low as $466. The distance between New York LaGuardia Airport and Great Falls is about 1895 mi.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from LaGuardia 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.

  • What is the cheapest month to book a flight from New York LaGuardia Airport to Great Falls?

    Currently, January is the cheapest month in which you can book a flight from New York LaGuardia Airport to Great Falls (average of $367). Flying from New York LaGuardia Airport to Great Falls in July is currently the most expensive (average of $574). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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