Latest deals
Insights
FAQs
Reviews
Price Alerts

Cheap flights from Great Falls to South America from $829

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Great Falls to South America departing on 3/9. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Find the cheapest flights from Great Falls to South America

Cheap round-trip flights

Delta Logo
5:30 am - 8:10 amGTF-LIM
25h 40m2 stops
Delta Logo
12:15 pm - 12:32 pmLIM-GTF
25h 17m2 stops
$829Delta
Find Deal
Mon, Mar 9 - Wed, Mar 18
United Airlines Logo
7:00 am - 11:40 pmGTF-LIM
39h 40m2 stops
United Airlines Logo
1:30 am - 1:29 pmLIM-GTF
36h 59m2 stops
$846United Airlines
Find Deal
Mon, Mar 9 - Tue, Mar 17
United Airlines Logo
7:00 am - 11:00 pmGTF-LIM
15h 00m2 stops
United Airlines Logo
12:40 am - 9:11 pmLIM-GTF
21h 31m2 stops
$1,132United Airlines
Find Deal
Sat, Oct 4 - Tue, Oct 7
Delta Logo
6:11 pm - 9:40 pmGTF-LIM
26h 29m2 stops
Delta Logo
12:00 pm - 12:28 pmLIM-GTF
25h 28m2 stops
$1,147Delta
Find Deal
Sat, Oct 4 - Wed, Oct 8
Delta Logo
6:11 pm - 9:10 pmGTF-LIM
49h 59m2 stops
Delta Logo
12:15 am - 5:29 pmLIM-GTF
42h 14m2 stops
$1,150Delta
Find Deal
Sat, Oct 4 - Tue, Oct 7
Delta Logo
6:10 pm - 2:00 pmGTF-CUZ
17h 50m2 stops
Delta Logo
9:50 pm - 10:30 pmCUZ-GTF
26h 40m2 stops
$1,401Delta
Find Deal
Fri, Dec 5 - Tue, Dec 9
Delta Logo
5:30 am - 9:00 amGTF-EZE
23h 30m2 stops
Delta Logo
4:05 am - 10:30 pmEZE-GTF
22h 25m2 stops
$1,470Delta
Find Deal
Thu, Dec 4 - Sun, Dec 7
Delta Logo
6:10 pm - 1:50 pmGTF-CUZ
17h 40m2 stops
Delta Logo
8:15 pm - 10:30 pmCUZ-GTF
28h 15m2 stops
$1,556Delta
Find Deal
Fri, Dec 5 - Tue, Dec 9
United Airlines Logo
2:35 pm - 11:55 pmGTF-LIM
31h 20m2 stops
United Airlines Logo
11:55 pm - 10:46 pmLIM-GTF
24h 51m2 stops
$1,828United Airlines
Find Deal
Fri, Dec 26 - Sun, Jan 4
Logo
7:21 pm - 8:40 pmGTF-LIM
23h 19m2 stops
Logo
12:50 am - 6:41 pmLIM-GTF
19h 51m2 stops
$2,967
Find Deal
Fri, Dec 26 - Sat, Jan 3

United Airlines flights from Great Falls to South America

Our best United Airlines deals on Great Falls to South America flight tickets
United Airlines
Mar 9
GTF7:00 amGreat Falls
39h 40m
2 stops
LIM11:40 pmLima J Chavez Intl
Mar 17
LIM1:30 amLima J Chavez Intl
36h 59m
2 stops
GTF1:29 pmGreat Falls
$846
Find similar
United Airlines
Oct 4
GTF7:00 amGreat Falls
15h 00m
2 stops
LIM11:00 pmLima J Chavez Intl
Oct 7
LIM12:40 amLima J Chavez Intl
21h 31m
2 stops
GTF9:11 pmGreat Falls
$1,132
Find similar
United Airlines
Dec 26
GTF2:35 pmGreat Falls
31h 20m
2 stops
LIM11:55 pmLima J Chavez Intl
Jan 4
LIM11:55 pmLima J Chavez Intl
24h 51m
2 stops
GTF10:46 pmGreat Falls
$1,828
Find similar

Delta flights from Great Falls to South America

Our best Delta deals on Great Falls to South America flight tickets
Delta
Mar 9
GTF5:30 amGreat Falls
25h 40m
2 stops
LIM8:10 amLima J Chavez Intl
Mar 18
LIM12:15 pmLima J Chavez Intl
25h 17m
2 stops
GTF12:32 pmGreat Falls
$829
Find similar
Delta
Oct 4
GTF6:11 pmGreat Falls
26h 29m
2 stops
LIM9:40 pmLima J Chavez Intl
Oct 8
LIM12:00 pmLima J Chavez Intl
25h 28m
2 stops
GTF12:28 pmGreat Falls
$1,147
Find similar
Delta
Oct 4
GTF6:11 pmGreat Falls
49h 59m
2 stops
LIM9:10 pmLima J Chavez Intl
Oct 7
LIM12:15 amLima J Chavez Intl
42h 14m
2 stops
GTF5:29 pmGreat Falls
$1,150
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Great Falls to South America 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, momondo users made 832,500 searches. Data last updated September 10, 2025.
Use the filters below to find and compare flights from Great Falls to South America that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Great FallsLima

GTF - LIM

GTFLIM

Great Falls

Mon 3/9

5:30 am-8:10 am

2 stops25h 40m

Lima J Chavez Intl

Wed 3/18

12:15 pm-12:32 pm

2 stops25h 17m

$829

Great FallsLima

GTF - LIM

GTFLIM

Great Falls

Mon 3/9

7:00 am-11:40 pm

2 stops39h 40m

Lima J Chavez Intl

Tue 3/17

1:30 am-1:29 pm

2 stops36h 59m

$846

Great FallsLima

GTF - LIM

GTFLIM

Great Falls

Sat 10/4

7:00 am-11:00 pm

2 stops15h 00m

Lima J Chavez Intl

Tue 10/7

12:40 am-9:11 pm

2 stops21h 31m

$1,132

Great FallsLima

GTF - LIM

GTFLIM

Great Falls

Sat 10/4

6:11 pm-9:40 pm

2 stops26h 29m

Lima J Chavez Intl

Wed 10/8

12:00 pm-12:28 pm

2 stops25h 28m

$1,147

Great FallsLima

GTF - LIM

GTFLIM

Great Falls

Sat 10/4

6:11 pm-9:10 pm

2 stops49h 59m

Lima J Chavez Intl

Tue 10/7

12:15 am-5:29 pm

2 stops42h 14m

$1,150

Great FallsCusco

GTF - CUZ

GTFCUZ

Great Falls

Fri 12/5

6:10 pm-2:00 pm

2 stops17h 50m

Cusco Velazco Astete

Tue 12/9

9:50 pm-10:30 pm

2 stops26h 40m

$1,401

Great FallsBuenos Aires

GTF - EZE

GTFEZE

Great Falls

Thu 12/4

5:30 am-9:00 am

2 stops23h 30m

Buenos Aires Ministro Pistarini

Sun 12/7

4:05 am-10:30 pm

2 stops22h 25m

$1,470

Great FallsCusco

GTF - CUZ

GTFCUZ

Great Falls

Fri 12/5

6:10 pm-1:50 pm

2 stops17h 40m

Cusco Velazco Astete

Tue 12/9

8:15 pm-10:30 pm

2 stops28h 15m

$1,556

Great FallsLima

GTF - LIM

GTFLIM

Great Falls

Fri 12/26

2:35 pm-11:55 pm

2 stops31h 20m

Lima J Chavez Intl

Sun 1/4

11:55 pm-10:46 pm

2 stops24h 51m

$1,828

Great FallsLima

GTF - LIM

GTFLIM

Great Falls

Fri 12/26

7:21 pm-8:40 pm

2 stops23h 19m

Lima J Chavez Intl

Sat 1/3

12:50 am-6:41 pm

2 stops19h 51m

$2,967

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

How to get the cheapest flight ticket from Great Falls to South America

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest day to depart on your flight to South America?

The cheapest day to depart from Great Falls to South America is on a Saturday when prices can be found for as low as $749. When flying out on a Friday, the most expensive travel day of the week, you can expect to see flight prices from Great Falls to South America for around $832.

Cheap Great Falls to South America flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Great Falls to South America

Direct flights

None
There are no direct flights from Great Falls to South America. There are no popular flight routes from Great Falls to South America.
Search flight deals

  • When did momondo last update prices for flights from Great Falls Airport to South America?

    Prices for flights from Great Falls Airport to South America refresh daily.

  • How many operators does momondo search for flights from Great Falls Airport to South America?

  • How old do you have to be to fly from Great Falls Airport to South America?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Great Falls Airport to South America.

  • What documentation or ID do you need to fly to South America?

    The required travel and health documents for your South America trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at South America. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Best airlines flying from Great Falls to South America

Compare and see reviews for airlines that fly from Great Falls to South America with momondo
Airline
Rating
Free Cancellation
Price
DeltaPriceFrom $735Free CancellationRating
7.9
7,963 reviews
Search Delta flights

Why use momondo?

Why should I use momondo to find a flight deal from Great Falls to South America?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Great Falls to South America. momondo saves you time and could save you money on your trip.

Can I find flights from Great Falls to South America with flexible booking policies on momondo?

momondo does allow users to show only those flights to South America from Great Falls which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from Great Falls to South America?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Great Falls to South America.

I’m not ready to book a flight from Great Falls to South America right now. Can momondo alert me if prices change?

Price alerts on flights to South America from Great Falls are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

An easier way to manage your South America trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Fri 10/10
Fri 10/17
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to South America

Popular cities in South America

Popular flights according to clicks in the last 7 days on momondo
Flights to Limafrom $288
Flights to Buenos Airesfrom $543
Flights to Bogotáfrom $178
Flights to Sao Paulofrom $331
Flights to Medellínfrom $168
Flights to Rio de Janeirofrom $387
Flights to Santiagofrom $362
Flights to Cartagenafrom $158
Flights to Quitofrom $303
Flights to Cuscofrom $412
Flights to Califrom $187
Flights to Guayaquilfrom $231