How do I get Price Alerts for flights from Helena to Buenos Aires?

You can take advantage of momondo’s Price Alerts by first searching for your flights to Helena from Buenos Aires . Flight offers will be shown to you in real-time. From there you can create a Price Alert by using our on-site widget.

How can I save money on flights from Helena to Buenos Aires with momondo?

Plan your trips smart with the “Price Forecast” feature, which uses flight data to help you pick the best days to fly for the lowest fares. Our “Price Calendar” helps you get the most for your money by showing you when it’s most advantageous to fly. Curate your own travel experiences for less with “Explore” . Expert travel hacks to fuel your next adventure are a click away with “Discover” by momondo. Set up our “Price Alerts” to track fare changes and book when prices are at their lowest point.

How does momondo find its flight prices?

momondo shows deals across 700+ competitors all at once. momondo is active in 30 international markets, so you can have access to a wide range of options from airlines and OTAs alike.

When did momondo last update prices for flights from Helena Airport to Buenos Aires?

Prices for flights from Helena Airport to Buenos Aires were last updated today.

How old do you have to be to fly from Helena Airport to Buenos Aires?

The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Helena Airport to Buenos Aires.

What documentation or ID do you need to fly to Buenos Aires?

The travel and health documents required for your trip to Buenos Aires can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Buenos Aires. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

$1,466 Cheap Flights from Helena to Buenos Aires in 2025/26

1 adult

0 bags

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1:06 pm - 6:05 amHLN-EZE

36h 59m2 stops

4:05 am - 10:30 pmEZE-HLN

22h 25m2 stops

$1,466Delta

Find Deal

Mon, Dec 8 - Thu, Dec 11

1:06 pm - 6:05 amHLN-EZE

36h 59m2 stops

11:55 pm - 10:30 pmEZE-HLN

26h 35m2 stops

$1,470Delta

Find Deal

Mon, Dec 8 - Fri, Dec 12

Delta flights from Helena to Buenos Aires

Our best Delta deals on Helena to Buenos Aires flight tickets

Delta

Dec 8

HLN1:06 pmHelena

36h 59m

2 stops

EZE6:05 amBuenos Aires Ministro Pistarini

Dec 11

EZE4:05 amBuenos Aires Ministro Pistarini

22h 25m

2 stops

HLN10:30 pmHelena

$1,466

Find similar

Delta

Dec 8

HLN1:06 pmHelena

36h 59m

2 stops

EZE6:05 amBuenos Aires Ministro Pistarini

Dec 12

EZE11:55 pmBuenos Aires Ministro Pistarini

26h 35m

2 stops

HLN10:30 pmHelena

$1,470

Find similar

Fly from

Fly to

Route

Depart

Return

Price

HelenaBuenos Aires

HLN - EZE

HLNEZE

Helena

Mon 12/8

1:06 pm-6:05 am

2 stops36h 59m

Buenos Aires Ministro Pistarini

Thu 12/11

4:05 am-10:30 pm

2 stops22h 25m

$1,466

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

11:55 pm-10:30 pm

2 stops26h 35m

$1,470

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

When to book flights from Helena to Buenos Aires

Are you open to changing your travel dates? Check out the ideal times to fly from Helena to Buenos Aires according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap Helena to Buenos Aires (HLN to BUE) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Helena to Buenos Aires

Direct flights	None

There are no direct flights from Helena to Buenos Aires. There are no popular flight routes from Helena to Buenos Aires.

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How far is Helena to Buenos Aires by plane?
A flight from Helena to Buenos Aires will travel around 6521.1 mi. Typically, this will take 36h 59m by plane in normal conditions.
When did momondo last update prices for flights from Helena Airport to Buenos Aires?
Prices for flights from Helena Airport to Buenos Aires were last updated today.
How old do you have to be to fly from Helena Airport to Buenos Aires?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Helena Airport to Buenos Aires.
What documentation or ID do you need to fly to Buenos Aires?
The travel and health documents required for your trip to Buenos Aires can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Buenos Aires. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

How do I get Price Alerts for flights from Helena to Buenos Aires?
You can take advantage of momondo’s Price Alerts by first searching for your flights to Helena from Buenos Aires. Flight offers will be shown to you in real-time. From there you can create a Price Alert by using our on-site widget.
How can I save money on flights from Helena to Buenos Aires with momondo?
Plan your trips smart with the “Price Forecast” feature, which uses flight data to help you pick the best days to fly for the lowest fares. Our “Price Calendar” helps you get the most for your money by showing you when it’s most advantageous to fly. Curate your own travel experiences for less with “Explore”. Expert travel hacks to fuel your next adventure are a click away with “Discover” by momondo. Set up our “Price Alerts” to track fare changes and book when prices are at their lowest point.
How does momondo find its flight prices?
momondo shows deals across 700+ competitors all at once. momondo is active in 30 international markets, so you can have access to a wide range of options from airlines and OTAs alike.

Why use momondo?

Why should I use momondo to find a flight deal from Helena to Buenos Aires?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Helena to Buenos Aires. momondo saves you time and could save you money on your trip.

Can I find flights from Helena to Buenos Aires with flexible booking policies on momondo?

Yes. All flights to Buenos Aires from Helena on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from Helena to Buenos Aires?

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 Helena to Buenos Aires.

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

Yes momondo offers price alerts on flights to Buenos Aires from Helena. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.