How long does it take to fly to Buenos Aires?

On average, it takes 18h 10m to fly from Montana to Buenos Aires if you fly out of Kalispell (the most popular airport in Montana) and into Buenos Aires Ministro Pistarini Airport (the most popular airport in Buenos Aires). If you’re flying out of Bozeman and into Buenos Aires Ministro Pistarini Airport, then the flight time is around 22h 40m.

What is the cheapest airline that flies from Montana to Buenos Aires?

Delta, American Airlines, and Air Canada are the most popular carriers operating from Montana to Buenos Aires

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

Prices for flights from Montana to Buenos Aires refresh daily.

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

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 Montana to Buenos Aires.

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

The required travel and health documents for your Buenos Aires trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Buenos Aires. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$1,235 Cheap Flights from Montana to Buenos Aires in 2025/26

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Find the cheapest flights from Montana to Buenos Aires

Round-trip

One-way

Cheap round-trip flights

2:00 pm - 9:00 amBZN-EZE

15h 00m1 stop

11:55 pm - 1:22 pmEZE-BZN

17h 27m1 stop

$1,235Delta

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Mon, Jan 12 - Thu, Jan 29

5:35 am - 7:20 amHLN-EZE

21h 45m2 stops

8:55 pm - 12:27 pmEZE-HLN

19h 32m2 stops

$1,240Delta

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Mon, Jan 12 - Thu, Jan 29

9:14 am - 9:20 amBTM-EZE

20h 06m2 stops

11:55 pm - 10:45 pmEZE-BTM

26h 50m2 stops

$1,240United Airlines

Find Deal

Mon, Jan 12 - Thu, Jan 29

9:14 am - 7:20 amBTM-EZE

42h 06m2 stops

11:55 pm - 10:45 pmEZE-BTM

26h 50m2 stops

$1,259United Airlines

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Sun, Jan 11 - Thu, Jan 29

12:30 pm - 9:35 amBZN-EZE

17h 05m2 stops

12:15 pm - 1:22 pmEZE-BZN

29h 07m2 stops

$1,260LATAM Airlines

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Sun, Feb 22 - Thu, Mar 5

12:30 pm - 8:50 pmBZN-EZE

28h 20m2 stops

8:00 am - 11:36 amEZE-BZN

31h 36m2 stops

$1,305LATAM Airlines

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Sun, Feb 22 - Fri, Mar 6

4:00 pm - 5:10 amBZN-EZE

33h 10m3 stops

4:55 pm - 11:43 amEZE-BZN

46h 48m2 stops

$1,371Multiple Airlines

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Tue, Nov 11 - Tue, Nov 18

1:43 pm - 8:20 amBZN-EZE

14h 37m1 stop

11:20 pm - 7:15 pmEZE-BZN

23h 55m2 stops

$1,410American Airlines

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Sun, Feb 22 - Fri, Mar 6

12:50 pm - 2:30 pmBZN-EZE

22h 40m2 stops

7:35 am - 11:43 amEZE-BZN

32h 08m2 stops

$1,451Multiple Airlines

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Wed, Oct 22 - Mon, Nov 10

1:45 pm - 8:30 amBZN-EZE

14h 45m1 stop

10:25 pm - 2:32 pmEZE-BZN

20h 07m1 stop

$1,480American Airlines

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Wed, Jan 7 - Wed, Jan 28

LATAM Airlines flights from Montana to Buenos Aires

Our best LATAM Airlines deals on Montana to Buenos Aires flight tickets

LATAM Airlines

Feb 22

BZN12:30 pmBozeman Gallatin Field

17h 05m

2 stops

EZE9:35 amBuenos Aires Ministro Pistarini

Mar 5

EZE12:15 pmBuenos Aires Ministro Pistarini

29h 07m

2 stops

BZN1:22 pmBozeman Gallatin Field

$1,260

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LATAM Airlines

Feb 22

BZN12:30 pmBozeman Gallatin Field

28h 20m

2 stops

EZE8:50 pmBuenos Aires Ministro Pistarini

Mar 6

EZE8:00 amBuenos Aires Ministro Pistarini

31h 36m

2 stops

BZN11:36 amBozeman Gallatin Field

$1,305

Find similar

LATAM Airlines

Jan 11

BZN12:30 pmBozeman Gallatin Field

17h 05m

2 stops

EZE9:35 amBuenos Aires Ministro Pistarini

Jan 31

EZE3:55 pmBuenos Aires Ministro Pistarini

23h 41m

2 stops

BZN11:36 amBozeman Gallatin Field

$1,320

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United Airlines flights from Montana to Buenos Aires

Our best United Airlines deals on Montana to Buenos Aires flight tickets

United Airlines

Jan 12

BTM9:14 amButte Silver Bow Co

20h 06m

2 stops

EZE9:20 amBuenos Aires Ministro Pistarini

Jan 29

EZE11:55 pmBuenos Aires Ministro Pistarini

26h 50m

2 stops

BTM10:45 pmButte Silver Bow Co

$1,240

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United Airlines

Jan 11

BTM9:14 amButte Silver Bow Co

42h 06m

2 stops

EZE7:20 amBuenos Aires Ministro Pistarini

Jan 29

EZE11:55 pmBuenos Aires Ministro Pistarini

26h 50m

2 stops

BTM10:45 pmButte Silver Bow Co

$1,259

Find similar

United Airlines

Jan 7

BZN4:16 pmBozeman Gallatin Field

37h 04m

2 stops

EZE9:20 amBuenos Aires Ministro Pistarini

Jan 14

EZE11:55 pmBuenos Aires Ministro Pistarini

39h 38m

2 stops

BZN11:33 amBozeman Gallatin Field

$1,262

Find similar

Fly from

Fly to

Route

Depart

Return

Price

BozemanBuenos Aires

BZN - EZE

BZNEZE

Bozeman Gallatin Field

Mon 1/12

2:00 pm-9:00 am

1 stop15h 00m

Buenos Aires Ministro Pistarini

Thu 1/29

11:55 pm-1:22 pm

1 stop17h 27m

$1,235

HelenaBuenos Aires

HLN - EZE

HLNEZE

Helena

Mon 1/12

5:35 am-7:20 am

2 stops21h 45m

Buenos Aires Ministro Pistarini

Thu 1/29

8:55 pm-12:27 pm

2 stops19h 32m

$1,240

ButteBuenos Aires

BTM - EZE

BTMEZE

Butte Silver Bow Co

Mon 1/12

9:14 am-9:20 am

2 stops20h 06m

Buenos Aires Ministro Pistarini

Thu 1/29

11:55 pm-10:45 pm

2 stops26h 50m

$1,240

ButteBuenos Aires

BTM - EZE

BTMEZE

Butte Silver Bow Co

Sun 1/11

9:14 am-7:20 am

2 stops42h 06m

Buenos Aires Ministro Pistarini

Thu 1/29

11:55 pm-10:45 pm

2 stops26h 50m

$1,259

BozemanBuenos Aires

BZN - EZE

BZNEZE

Bozeman Gallatin Field

Sun 2/22

12:30 pm-9:35 am

2 stops17h 05m

Buenos Aires Ministro Pistarini

Thu 3/5

12:15 pm-1:22 pm

2 stops29h 07m

$1,260

BozemanBuenos Aires

BZN - EZE

BZNEZE

Bozeman Gallatin Field

Sun 2/22

12:30 pm-8:50 pm

2 stops28h 20m

Buenos Aires Ministro Pistarini

Fri 3/6

8:00 am-11:36 am

2 stops31h 36m

$1,305

BozemanBuenos Aires

BZN - EZE

BZNEZE

Bozeman Gallatin Field

Tue 11/11

4:00 pm-5:10 am

3 stops33h 10m

Buenos Aires Ministro Pistarini

Tue 11/18

4:55 pm-11:43 am

2 stops46h 48m

$1,371

BozemanBuenos Aires

BZN - EZE

BZNEZE

Bozeman Gallatin Field

Sun 2/22

1:43 pm-8:20 am

1 stop14h 37m

Buenos Aires Ministro Pistarini

Fri 3/6

11:20 pm-7:15 pm

2 stops23h 55m

$1,410

BozemanBuenos Aires

BZN - EZE

BZNEZE

Bozeman Gallatin Field

Wed 10/22

12:50 pm-2:30 pm

2 stops22h 40m

Buenos Aires Ministro Pistarini

Mon 11/10

7:35 am-11:43 am

2 stops32h 08m

$1,451

BozemanBuenos Aires

BZN - EZE

BZNEZE

Bozeman Gallatin Field

Wed 1/7

1:45 pm-8:30 am

1 stop14h 45m

Buenos Aires Ministro Pistarini

Wed 1/28

10:25 pm-2:32 pm

1 stop20h 07m

$1,480

Flights are sorted by cheapest round-trip flights first.

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How to get the cheapest flight ticket from Montana to Buenos Aires

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

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Other information

What is the cheapest day to depart on your flight to Buenos Aires?

On average, the least expensive day to fly to Buenos Aires from Montana is on a Sunday. momondo users have found tickets for Sunday departures for as low as $1,327. However, this price may fluctuate depending on the airline, the season, and holidays. Be sure to avoid booking your departure on a Friday as prices are generally higher than usual. According to our data, the average ticket price to Buenos Aires on Friday is $1,681.

What is the cheapest time of day to depart on your flight to Buenos Aires?

Our most recent data shows that the best time of day to fly to Buenos Aires is in the morning. Flights from Montana to Buenos Aires during this time can be as low as $1,575. Try not to purchase tickets in the afternoon because they tend to be around $1,731. Of course, these prices can vary depending on the time of year and what airport you fly to.

Can stopping save me money on Montana to Buenos Aires flights?

You could potentially save up to 6% on your flight if you consider stops on a Montana to Buenos Aires flight.

Cheap Montana to Buenos Aires flight deals and tips

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

Direct flights	None

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

Search flight deals

When did momondo last update prices for flights from Montana to Buenos Aires?
Prices for flights from Montana to Buenos Aires refresh daily.
How old do you have to be to fly from Montana to Buenos Aires?
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 Montana to Buenos Aires.
What documentation or ID do you need to fly to Buenos Aires?
The required travel and health documents for your Buenos Aires trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Buenos Aires. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Why use momondo?

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

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Montana to Buenos Aires. Millions of users trust and use momondo every year so you are in good hands.

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

Flights from Montana to Buenos Aires 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 Montana to Buenos Aires?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Buenos Aires from Montana.

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

If you are simply researching potential flights to Buenos Aires, momondo offers a useful price alert feature which will track prices for flights to Buenos Aires from Montana and alert you when they change.

An easier way to manage your Buenos Aires trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

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Cheap flights from Montana to Buenos Aires from $1,235

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Montana to Buenos Aires departing on 1/12. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

Big names and deals

Big names and deals

Filter for what you want

Filter for what you want

Trusted and free

Trusted and free

Price Alerts

Price Alerts

Find the cheapest flights from Montana to Buenos Aires

Cheap round-trip flights

Cheap one-way flights

LATAM Airlines flights from Montana to Buenos Aires

Our best LATAM Airlines deals on Montana to Buenos Aires flight tickets

United Airlines flights from Montana to Buenos Aires

Our best United Airlines deals on Montana to Buenos Aires flight tickets

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Use the filters below to find and compare flights from Montana to Buenos Aires that are best for you.

See travel insights to Buenos Aires from

How to get the cheapest flight ticket from Montana to Buenos Aires

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest day to depart on your flight to Buenos Aires?

What is the cheapest time of day to depart on your flight to Buenos Aires?

Can stopping save me money on Montana to Buenos Aires flights?

You could potentially save up to 6% on your flight if you consider stops on a Montana to Buenos Aires flight.

What is the cheapest airline that flies from Montana to Buenos Aires?

Delta, American Airlines, and Air Canada are the most popular carriers operating from Montana to Buenos Aires

How long does it take to fly to Buenos Aires?

Cheap Montana to Buenos Aires flight deals and tips

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

Direct flights

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

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

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

Why use momondo?

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

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

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

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

An easier way to manage your Buenos Aires trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to Argentina

Fly into one of these airports located in Buenos Aires

Airports listed have a maximum distance of 17.0 mi from Buenos Aires