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$1,470+ Cheap flights from Helena (HLN) to Buenos Aires (BUE)

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 12/8. Fares are subject to change and may not be available on all flights or dates of travel.
HLN — BUE
Oct 11 — Oct 181
Sat 10/11
Sat 10/18
1 adult, Economy
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Cheap flight deals from Helena to Buenos Aires

Discover tips and strategies to find the most affordable flight options for your journey from Helena (HLN) to Buenos Aires (BUE). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated September 11, 2025.

Round-trip from

$1,470
(Delta)
From Helena to Buenos Aires (BUE)
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Cheapest flights from Helena to Buenos Aires
Explore the most affordable flight options available from Helena to Buenos Aires. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 11, 2025.

This Delta deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/85:30 amHLN - EZE
2 stops24h 45mDelta
Fri 12/128:55 pmEZE - HLN
2 stops29h 35mDelta
Deal found 9/10$1,470

Cheapflights Fare Finder

 
Customize your flight search to find flights from Helena to Buenos Aires 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, Cheapflights users made 2,558,603 searches. Data last updated September 11, 2025.
Use the filters below to find and compare flights from Helena to Buenos Aires that are best for you.

Fly from

Helena

Fly to

Buenos Aires

Route

Depart

Return

Price

HelenaBuenos Aires

HLN - EZE

HLNEZE

Helena

Mon 12/8

5:30 am-10:15 am

2 stops24h 45m

Buenos Aires Ministro Pistarini

Fri 12/12

8:00 am-10:30 pm

2 stops18h 30m

$1,470

HelenaBuenos Aires

HLN - EZE

HLNEZE

Helena

Sun 10/26

5:45 am-9:00 am

2 stops24h 15m

Buenos Aires Ministro Pistarini

Sun 11/2

8:55 pm-10:16 pm

2 stops29h 21m

$1,470

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/8

Best time to book a flight from Helena to Buenos Aires

Have a flexible travel schedule? Discover the best time to fly to Buenos Aires 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 Buenos Aires
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Related info for your journey

Find useful and relevant information for your journey from Helena to Buenos Aires. 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 Buenos Aires?

    If you book a flight to Buenos Aires from Helena, you will be flying from Helena, which is the city’s only airport. Helena (HLN) is located 2.7 mi from the center of Helena. There are 0 flights from Helena to Buenos Aires per day from 0 different airlines.

  • How long is the flight from Helena to Buenos Aires?

    Departing from Helena to Buenos Aires will take you 24h 45m. Helena and Buenos Aires are separated by a distance of 6527 mi.

  • Can I find deals for flights from Helena to Buenos Aires that include hotel bookings?

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

  • How can I find direct flights from Helena to Buenos Aires?

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

  • Can I find deals for business class flights from Helena to Buenos Aires?

    Yes. Cheapflights offers flight deals from Helena to Buenos Aires 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 Buenos Aires?

    Currently, April is the cheapest month in which you can book a flight from Helena to Buenos Aires (average of $795). Flying from Helena to Buenos Aires in December is currently the most expensive (average of $1,260). 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.

See more FAQs

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