How long is the flight from Helena to South America?

There are many flights that can get you from Helena to South America in 17h 44m. Fly via United Airlines or Delta 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.

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.

$1,064+ Cheap Flights 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 October 23, 2025.

Sat 12/62:30 pmHLN - LIM

2 stops55h 25mUnited Airlines

Wed 12/1011:55 pmLIM - HLN

2 stops23h 27mUnited Airlines

Deal found 10/21

$1,064

Sat 12/61:06 pmHLN - LIM

1 stop17h 44mDelta

Wed 12/1012:05 pmLIM - HLN

1 stop12h 25mDelta

Deal found 10/20

$1,108

Tue 12/25:30 amHLN - EZE

2 stops23h 30mDelta

Thu 12/44:05 amEZE - HLN

2 stops22h 25mDelta

Deal found 10/21

$1,470

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 October 23, 2025.

Sat 12/62:30 pmHLN - LIM

2 stops55h 25mUnited Airlines

Wed 12/1011:55 pmLIM - HLN

2 stops23h 27mUnited Airlines

Deal found 10/21

$1,064

Sat 12/61:06 pmHLN - LIM

1 stop17h 44mDelta

Wed 12/1012:05 pmLIM - HLN

1 stop12h 25mDelta

Deal found 10/20

$1,108

Tue 12/25:30 amHLN - EZE

2 stops23h 30mDelta

Thu 12/44:05 amEZE - HLN

2 stops22h 25mDelta

Deal found 10/20

$1,470

Cheap flight deals from Helena to South America

Round-trip from	$1,064 (United Airlines)

From Helena to South America

Search Deals

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 12/6

2:30 pm-11:55 pm

2 stops55h 25m

Lima J Chavez Intl

Wed 12/10

11:55 pm-9:22 pm

2 stops23h 27m

$1,064

HelenaLima

HLN - LIM

HLNLIM

Helena

Sat 12/6

1:06 pm-8:50 am

1 stop17h 44m

Lima J Chavez Intl

Wed 12/10

12:05 pm-10:30 pm

1 stop12h 25m

$1,108

HelenaBuenos Aires

HLN - EZE

HLNEZE

Helena

Tue 12/2

5:30 am-9:00 am

2 stops23h 30m

Buenos Aires Ministro Pistarini

Thu 12/4

4:05 am-10:30 pm

2 stops22h 25m

$1,470

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/21

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

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

Currently, February is the cheapest month in which you can book a flight from Helena to South America (average of $634). Flying from Helena to South America in October is currently the most expensive (average of $1,112). 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.

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 17h 44m. Fly via United Airlines or Delta 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, February is the cheapest month in which you can book a flight from Helena to South America (average of $634). Flying from Helena to South America in October is currently the most expensive (average of $1,112). 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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$1,064+ Cheap flights from Helena (HLN) to South America

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 12/6. 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

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 October 23, 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 October 23, 2025.

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 October 23, 2025.

Round-trip from

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

What is the cheapest month to book a 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?

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Alternative routes for Helena to South America

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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 October 23, 2025.