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$359+ Cheap flights from LaGuardia, NY (LGA) to Great Falls (GTF)

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 3/9. Fares are subject to change and may not be available on all flights or dates of travel.
LGA — GTF
Mar 7 — Mar 141
Sat 3/7
Sat 3/14
1 adult, Economy
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Cheap 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 February 5, 2026.

This Delta deal was found by Cheapflights users on 2/4. 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.
Mon 3/98:15 am
LGA
-
GTF
2 stops11h 27m
Delta
Thu 3/126:22 pm
GTF
-
LGA
2 stops12h 18m
Delta
Deal found 2/4$359
This Delta deal was found by Cheapflights users on 2/2. 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.
Sat 4/1812:35 pm
LGA
-
GTF
2 stops11h 54m
Delta
Sat 4/255:30 am
GTF
-
LGA
2 stops11h 35m
Delta
Deal found 2/2$368
This United Airlines deal was found by Cheapflights users on 2/2. 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 4/167:10 am
LGA
-
GTF
1 stop8h 21m
United Airlines
Sat 4/252:30 pm
GTF
-
LGA
1 stop6h 52m
United Airlines
Deal found 2/2$383
This Delta deal was found by Cheapflights users on 2/2. 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.
Thu 4/168:06 am
LGA
-
GTF
2 stops11h 34m
Delta
Sat 4/255:30 am
GTF
-
LGA
2 stops11h 35m
Delta
Deal found 2/2$384
This United Airlines deal was found by Cheapflights users on 2/4. 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 3/93:10 pm
LGA
-
GTF
1 stop8h 01m
United Airlines
Thu 3/122:30 pm
GTF
-
LGA
1 stop6h 55m
United Airlines
Deal found 2/4$403
This United Airlines deal was found by Cheapflights users on 2/4. 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 2/203:25 pm
LGA
-
GTF
1 stop8h 08m
United Airlines
Tue 2/242:25 pm
GTF
-
LGA
1 stop7h 05m
United Airlines
Deal found 2/4$438
This United Airlines deal was found by Cheapflights users on 2/2. 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 4/177:10 am
LGA
-
GTF
1 stop8h 21m
United Airlines
Sat 4/252:30 pm
GTF
-
LGA
1 stop6h 52m
United Airlines
Deal found 2/2$488
This United Airlines deal was found by Cheapflights users on 2/2. 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 4/186:10 am
LGA
-
GTF
3 stops17h 07m
United Airlines
Sat 4/256:15 am
GTF
-
LGA
2 stops11h 03m
United Airlines
Deal found 2/2$489

Find 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 February 5, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$348
(United Airlines)

Popular in

January

Cheapest in

June

Average price

$690
Provider with most accurate pricing for New York LaGuardia-Great Falls flight deals.
Search Deals
Provider most trusted by Cheapflights users for New York LaGuardia-Great Falls flights.
Search Deals
From New York LaGuardia to Great Falls
Search Deals
Highest demand for flights based on searches. 21% potential increase in price ($179 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 7% potential price decrease ($46 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 2026
Search Deals

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 February 5, 2026.
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

Mon 3/9

8:15 am-5:42 pm

2 stops11h 27m

Great Falls

Thu 3/12

6:22 pm-8:40 am

2 stops12h 18m

$359

New YorkGreat Falls

LGA - GTF

LGAGTF

New York LaGuardia

Thu 4/16

8:06 am-5:40 pm

2 stops11h 34m

Great Falls

Sat 4/25

5:30 am-7:05 pm

2 stops11h 35m

$384

New YorkGreat Falls

LGA - GTF

LGAGTF

New York LaGuardia

Fri 4/17

10:15 am-9:17 pm

2 stops13h 02m

Great Falls

Sat 4/25

2:30 pm-11:22 pm

1 stop6h 52m

$389

New YorkGreat Falls

LGA - GTF

LGAGTF

New York LaGuardia

Sat 4/18

10:15 am-9:17 pm

2 stops13h 02m

Great Falls

Sat 4/25

2:30 pm-11:22 pm

1 stop6h 52m

$389

New YorkGreat Falls

LGA - GTF

LGAGTF

New York LaGuardia

Thu 4/16

11:20 am-9:17 pm

2 stops11h 57m

Great Falls

Sat 4/25

2:30 pm-11:22 pm

1 stop6h 52m

$389

New YorkGreat Falls

LGA - GTF

LGAGTF

New York LaGuardia

Mon 3/9

3:10 pm-9:11 pm

1 stop8h 01m

Great Falls

Thu 3/12

2:30 pm-11:25 pm

1 stop6h 55m

$403

New YorkGreat Falls

LGA - GTF

LGAGTF

New York LaGuardia

Fri 2/20

3:25 pm-9:33 pm

1 stop8h 08m

Great Falls

Tue 2/24

2:25 pm-11:30 pm

1 stop7h 05m

$438

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/4

  • Most accurate provider: When it comes to deals on New York LaGuardia Airport-Great Falls flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on New York LaGuardia Airport-Great Falls flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from New York LaGuardia Airport-Great Falls flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on New York LaGuardia Airport-Great Falls flights, Cheapflights users trust FlightHub the most. FlightHub 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 New York LaGuardia Airport-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 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 08m. United Airlines provides one of the quickest options available for as low as $348. The distance between New York LaGuardia Airport and Great Falls is about 1895 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • 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.

See more FAQs

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