How do I get Price Alerts for flights from Helena to South America?

Price Alerts will notify you by email when the price for flights to South America from Helena decreases. To activate this, select your desired travel dates and search for offers. While browsing through offers you’ll see the Price Alert widget toggle. Click it to turn on notifications.

How can I save money on flights from Helena to South America with momondo?

With “Price Forecast”, learn how soon you should book your flight in advance. Down to the day of week and time of day, our information can inform you on the ideal time to book to save on your travel. Our “Price Calendar” shows you at a quick glance when to book your travel for lower rates. By setting “Price Alerts” you can monitor changes in price and target the ideal time to book. Search for your trip destination by budget amount via our “Explore” feature. Whether you’re looking for ideas for your next travel adventure or cost-cutting tips, our “Discover” content is a great place to start.

How does momondo find its flight prices?

We show prices from over 700+ competitors with a single click. With options from airlines and OTAs from across our 30 international markets, we are able to show you a diverse range of deals to create your adventure.

When did momondo last update prices for flights from Helena Airport to South America?

Prices for flights from Helena Airport to South America were last updated today.

How old do you have to be to fly from Helena Airport to South America?

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Helena Airport to South America.

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

The travel and health documents you'll need for your trip to South America may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at South America. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

$774 Cheap Flights from Helena to South America in 2026

Find the cheapest flights from Helena to South America

Round-trip

Cheap round-trip flights

Enter your travel dates to find the best prices.

6:15 am - 8:00 am

HLN

EZE

22h 45m

2 stops

9:00 pm - 9:30 pm

EZE

HLN

27h 30m

2 stops

$1,582United Airlines

Wed, Aug 19 - Wed, Aug 26

6:15 am - 8:00 am

HLN

EZE

22h 45m

2 stops

9:00 pm - 9:30 pm

EZE

HLN

27h 30m

2 stops

$1,622United Airlines

Wed, Aug 19 - Fri, Aug 28

6:15 am - 8:00 am

HLN

EZE

22h 45m

2 stops

9:00 pm - 1:45 pm

EZE

HLN

19h 45m

2 stops

$1,647United Airlines

Sat, Aug 15 - Thu, Aug 27

6:15 am - 8:00 am

HLN

EZE

22h 45m

2 stops

9:00 pm - 1:45 pm

EZE

HLN

19h 45m

2 stops

$1,662United Airlines

Fri, Aug 21 - Fri, Aug 28

2:35 pm - 8:00 am

HLN

EZE

38h 25m

2 stops

9:00 pm - 1:45 pm

EZE

HLN

19h 45m

2 stops

$1,671United Airlines

Mon, Aug 17 - Tue, Aug 25

6:15 am - 8:00 am

HLN

EZE

22h 45m

2 stops

9:00 pm - 1:45 pm

EZE

HLN

19h 45m

2 stops

$1,687United Airlines

Sat, Aug 15 - Fri, Aug 28

Save money when you book flights with momondo

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

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

Trusted and free

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

Price Alerts

Not ready to book? to track prices.

Search flight deals

United Airlines flights from Helena to South America

Our best United Airlines deals on Helena to South America flight tickets

United Airlines

Aug 19

HLN6:15 amHelena

22h 45m

2 stops

EZE8:00 amBuenos Aires Ministro Pistarini

Aug 26

EZE9:00 pmBuenos Aires Ministro Pistarini

27h 30m

2 stops

HLN9:30 pmHelena

$1,582

United Airlines

Aug 19

HLN6:15 amHelena

22h 45m

2 stops

EZE8:00 amBuenos Aires Ministro Pistarini

Aug 28

EZE9:00 pmBuenos Aires Ministro Pistarini

27h 30m

2 stops

HLN9:30 pmHelena

$1,622

United Airlines

Aug 15

HLN6:15 amHelena

22h 45m

2 stops

EZE8:00 amBuenos Aires Ministro Pistarini

Aug 27

EZE9:00 pmBuenos Aires Ministro Pistarini

19h 45m

2 stops

HLN1:45 pmHelena

$1,647

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

HelenaBuenos Aires

HLN - EZE

HLNEZE

Helena

Wed 8/19

6:15 am-8:00 am

2 stops22h 45m

Buenos Aires Ministro Pistarini

Wed 8/26

9:00 pm-9:30 pm

2 stops27h 30m

$1,582

HelenaBuenos Aires

HLN - EZE

HLNEZE

Helena

Wed 8/19

6:15 am-8:00 am

2 stops22h 45m

Buenos Aires Ministro Pistarini

Fri 8/28

9:00 pm-9:30 pm

2 stops27h 30m

$1,622

Quickest round-trip

HelenaBuenos Aires

HLN - EZE

HLNEZE

Helena

Sat 8/15

6:15 am-8:00 am

2 stops22h 45m

Buenos Aires Ministro Pistarini

Thu 8/27

9:00 pm-1:45 pm

2 stops19h 45m

$1,647

HelenaBuenos Aires

HLN - EZE

HLNEZE

Helena

Fri 8/21

6:15 am-8:00 am

2 stops22h 45m

Buenos Aires Ministro Pistarini

Fri 8/28

9:00 pm-1:45 pm

2 stops19h 45m

$1,662

HelenaBuenos Aires

HLN - EZE

HLNEZE

Helena

Mon 8/17

2:35 pm-8:00 am

2 stops38h 25m

Buenos Aires Ministro Pistarini

Tue 8/25

9:00 pm-1:45 pm

2 stops19h 45m

$1,671

HelenaBuenos Aires

HLN - EZE

HLNEZE

Helena

Sat 8/15

6:15 am-8:00 am

2 stops22h 45m

Buenos Aires Ministro Pistarini

Fri 8/28

9:00 pm-1:45 pm

2 stops19h 45m

$1,687

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

Cheap Helena to South America flight deals and tips

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

Fastest flight time	12h 40m
Direct flights	None

The fastest flight from Helena to South America takes 12h 40m

There are no direct flights from Helena to South America. There are no popular flight routes from Helena to South America.

Search flight deals

Frequently asked questions about flying from Helena to South America

When did momondo last update prices for flights from Helena Airport to South America?
Prices for flights from Helena Airport to South America were last updated today.
How old do you have to be to fly from Helena Airport to South America?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Helena Airport to South America.
What documentation or ID do you need to fly to South America?
The travel and health documents you'll need for your trip to South America may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at South America. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Frequently asked questions about flying from Helena to South America

How do I get Price Alerts for flights from Helena to South America?
Price Alerts will notify you by email when the price for flights to South America from Helena decreases. To activate this, select your desired travel dates and search for offers. While browsing through offers you’ll see the Price Alert widget toggle. Click it to turn on notifications.
How can I save money on flights from Helena to South America with momondo?
With “Price Forecast”, learn how soon you should book your flight in advance. Down to the day of week and time of day, our information can inform you on the ideal time to book to save on your travel. Our “Price Calendar” shows you at a quick glance when to book your travel for lower rates. By setting “Price Alerts” you can monitor changes in price and target the ideal time to book. Search for your trip destination by budget amount via our “Explore” feature. Whether you’re looking for ideas for your next travel adventure or cost-cutting tips, our “Discover” content is a great place to start.
How does momondo find its flight prices?
We show prices from over 700+ competitors with a single click. With options from airlines and OTAs from across our 30 international markets, we are able to show you a diverse range of deals to create your adventure.

Why use momondo?

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

It is quick and easy to find Helena to South America flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to South America that suits you.

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

Flights from Helena to South America with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

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

Once you have performed a search for Helena to South America flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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

Of course. momondo tracks the price of Helena to South America flights. All you need is a valid email address and we will do the rest; it is that quick and easy.