How long is the flight from Helena to South America?

There are many flights that can get you from Helena to South America in 28h 42m. Fly via Delta or United Airlines to get the fastest option. The distance from Helena to South America is about 4586 mi. Both multi-stop and nonstop flights can be found to your destination and back.

What is the cheapest month to book a flight from Helena to South America?

Currently, May is the cheapest month in which you can book a flight from Helena to South America (average of $359). Flying from Helena to South America in December is currently the most expensive (average of $664). 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.

In terms of precipitation, rainfall in South America ranges from 0.8 - 9.4 inches per month. January is typically the wettest month, when rainfall can reach 9.4 in. July is typically the driest time to visit South America when rainfall is around 0.8 in.

If weather is an important factor for your trip to South America, use this chart to help with planning. For those seeking warmer temperatures, January is the ideal time of year to visit, when temperatures reach an average of 73.4 F. Travelers looking to avoid the cold should look outside of June, when temperatures are typically at their lowest (around 62.6 F).

What are the most popular routes from Helena to South America?

Most travelers choose Helena - Buenos Aires Ministro Pistarini, Helena - Lima J Chavez Intl or Helena - Bogotá El Dorado when deciding on the best route from Helena to South America.

What is the cheapest time of day to fly from HLN to SA?

When flying from Helena to South America, 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 Helena to South America?

Helena (HLN) is the airport you will fly out of if you book a flight from Helena to South America. It is only a 2.7 mi journey to Helena (HLN) from Helena’s city center.

Can I find deals for flights from Helena to South America that include hotel bookings?

Yes. In addition to deals on Helena to South America flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from Helena to South America?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Helena to South America.

Can I find deals for business class flights from Helena to South America?

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

$571+ Cheap Flights from Helena to South America

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Cheap flight deals from Helena to South America

Round-trip from	$1,147 (Delta)
One-way from	$571 (Kiwi.com)

From Helena to South America

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One-way flight from Helena to South America

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Find flight deals from Helena to South America

Cheapest flights from Helena to South America
Explore the most affordable flight options available from Helena to South America. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 16, 2025.

Sat 10/41:00 pmHLN - LIM

2 stops56h 10mDelta

Wed 10/812:00 pmLIM - HLN

2 stops25h 20mDelta

Deal found 9/13

$1,147

Sat 10/45:18 pmHLN - LIM

2 stops28h 42mUnited Airlines

Tue 10/712:40 amLIM - HLN

2 stops17h 00mUnited Airlines

Deal found 9/13

$1,149

Mon 12/81:06 pmHLN - EZE

2 stops36h 59mDelta

Fri 12/128:00 amEZE - HLN

2 stops18h 30mDelta

Deal found 9/15

$1,465

Tue 10/142:44 pmHLN - EZE

2 stops38h 16mUnited Airlines

Tue 10/219:00 pmEZE - HLN

2 stops27h 00mUnited Airlines

Deal found 9/14

$1,542

Best flights from Helena to South America
Discover carefully curated flight deals from Helena to South America that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 16, 2025.

Sat 10/41:00 pmHLN - LIM

2 stops56h 10mDelta

Wed 10/812:00 pmLIM - HLN

2 stops25h 20mDelta

Deal found 9/13

$1,147

Sat 10/45:18 pmHLN - LIM

2 stops28h 42mUnited Airlines

Tue 10/712:40 amLIM - HLN

2 stops17h 00mUnited Airlines

Deal found 9/13

$1,149

Mon 12/81:06 pmHLN - EZE

2 stops36h 59mDelta

Fri 12/128:00 amEZE - HLN

2 stops18h 30mDelta

Deal found 9/15

$1,465

Tue 10/142:44 pmHLN - EZE

2 stops38h 16mUnited Airlines

Tue 10/219:00 pmEZE - HLN

2 stops27h 00mUnited Airlines

Deal found 9/14

$1,542

Last-minute flights from Helena to South America
Discover last-minute flight deals from Helena to South America. Data last updated September 16, 2025 and is based on user searches.

Sat 10/41:00 pmHLN - LIM

2 stops56h 10mDelta

Wed 10/812:00 pmLIM - HLN

2 stops25h 20mDelta

Deal found 9/13

$1,147

Sat 10/45:18 pmHLN - LIM

2 stops28h 42mUnited Airlines

Tue 10/712:40 amLIM - HLN

2 stops17h 00mUnited Airlines

Deal found 9/13

$1,149

Tue 10/142:44 pmHLN - EZE

2 stops38h 16mUnited Airlines

Tue 10/219:00 pmEZE - HLN

2 stops27h 00mUnited Airlines

Deal found 9/14

$1,542

One-way flights from Helena to South America
Search for one-way flight options from Helena to South America. Find affordable one-way fares based on user searches. Data last updated September 16, 2025.

Sat 11/86:13 pmHLN - EZE

3 stops44h 30mMultiple Airlines

Deal found 9/15

$571

Sat 11/86:40 amHLN - EZE

2 stops20h 40mUnited Airlines

Deal found 9/15

$688

Cheapflights Fare Finder

Use the filters below to find and compare flights from Helena to South America that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

HelenaLima

HLN - LIM

HLNLIM

Helena

Sat 10/4

1:00 pm-10:10 pm

2 stops56h 10m

Lima J Chavez Intl

Wed 10/8

12:00 pm-12:20 pm

2 stops25h 20m

$1,147

HelenaLima

HLN - LIM

HLNLIM

Helena

Sat 10/4

5:18 pm-11:00 pm

2 stops28h 42m

Lima J Chavez Intl

Tue 10/7

12:40 am-4:40 pm

2 stops17h 00m

$1,149

HelenaBuenos Aires

HLN - EZE

HLNEZE

Helena

Mon 12/8

1:06 pm-6:05 am

2 stops36h 59m

Buenos Aires Ministro Pistarini

Fri 12/12

8:00 am-10:30 pm

2 stops18h 30m

$1,465

HelenaBuenos Aires

HLN - EZE

HLNEZE

Helena

Tue 10/14

2:44 pm-8:00 am

2 stops38h 16m

Buenos Aires Ministro Pistarini

Tue 10/21

9:00 pm-9:00 pm

2 stops27h 00m

$1,542

HelenaBuenos Aires

HLN - EZE

HLNEZE

Helena

Sat 11/8

6:13 pm-6:43 pm

3 stops44h 30m

$571

HelenaBuenos Aires

HLN - EZE

HLNEZE

Helena

Sat 11/8

6:40 am-7:20 am

2 stops20h 40m

$688

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/15

Best time to book a flight from Helena to South America

Have a flexible travel schedule? Discover the best time to fly to South America from Helena 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 Helena to South America

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 Helena to South America?
Helena (HLN) is the airport you will fly out of if you book a flight from Helena to South America. It is only a 2.7 mi journey to Helena (HLN) from Helena’s city center.
How long is the flight from Helena to South America?
There are many flights that can get you from Helena to South America in 28h 42m. Fly via Delta or United Airlines to get the fastest option. The distance from Helena to South America is about 4586 mi. Both multi-stop and nonstop flights can be found to your destination and back.
What are the most popular routes from Helena to South America?
Most travelers choose Helena - Buenos Aires Ministro Pistarini, Helena - Lima J Chavez Intl or Helena - Bogotá El Dorado when deciding on the best route from Helena to South America.
Can I find deals for flights from Helena to South America that include hotel bookings?
Yes. In addition to deals on Helena to South America flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Helena to South America?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Helena to South America.
Can I find deals for business class flights from Helena to South America?
Yes. Cheapflights offers flight deals from Helena to South America 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 Helena to South America?
Currently, May is the cheapest month in which you can book a flight from Helena to South America (average of $359). Flying from Helena to South America in December is currently the most expensive (average of $664). 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.

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$571+ Cheap flights from Helena (HLN) to South America

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 11/8. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Helena to South America with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from Helena to South America

Keep the following information in mind while searching for Helena to South America flight deals. Data was last updated September 16, 2025.

Round-trip from

One-way from

Find flight deals from Helena to South America

Cheapest flights from Helena to South AmericaExplore the most affordable flight options available from Helena to South America. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 16, 2025.

Explore the most affordable flight options available from Helena to South America. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 16, 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Helena to South America that are best for you.

Best time to book a flight from Helena to South America

Have a flexible travel schedule? Discover the best time to fly to South America from Helena with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from Helena to South America

Related info for your journey

Find useful and relevant information for your journey from Helena to South America. 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 Helena to South America?

How long is the flight from Helena to South America?

What are the most popular routes from Helena to South America?

Can I find deals for flights from Helena to South America that include hotel bookings?

How can I find direct flights from Helena to South America?

Can I find deals for business class flights from Helena to South America?

What is the cheapest month to book a flight from Helena to South America?

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 Helena to South America

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

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Travel Smart

Cheapest flights from Helena to South America
Explore the most affordable flight options available from Helena to South America. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 16, 2025.