How long does it take to fly to Buenos Aires?

On average, it takes 20h 49m 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.

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.

$532 Cheap Flights from Montana to Buenos Aires in 2026

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Find the cheapest flights from Montana to Buenos Aires

Round-trip

One-way

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4:32 pm - 12:51 am

BZN

EZE

29h 19m

2 stops

5:25 am - 9:39 am

EZE

BZN

31h 14m

2 stops

$1,299Copa Airlines

Thu, Aug 13 - Fri, Aug 21

4:32 pm - 12:51 am

BZN

EZE

29h 19m

2 stops

5:25 am - 9:39 am

EZE

BZN

31h 14m

2 stops

$1,336Copa Airlines

Thu, Aug 13 - Sat, Aug 22

10:00 am - 8:00 am

BTM

EZE

19h 00m

2 stops

9:00 pm - 10:27 pm

EZE

BTM

28h 27m

2 stops

$1,381United Airlines

Thu, Sep 10 - Mon, Sep 14

7:00 am - 8:00 am

BZN

EZE

22h 00m

2 stops

9:00 pm - 9:07 pm

EZE

BZN

27h 07m

2 stops

$1,381United Airlines

Thu, Sep 10 - Mon, Sep 14

7:00 am - 8:00 am

BIL

EZE

22h 00m

2 stops

9:00 pm - 9:00 pm

EZE

BIL

27h 00m

2 stops

$1,381United Airlines

Thu, Sep 17 - Mon, Sep 21

10:30 am - 8:00 am

BZN

EZE

18h 30m

2 stops

9:00 pm - 1:24 pm

EZE

BZN

19h 24m

2 stops

$1,452Avianca

Tue, Aug 11 - Thu, Aug 20

12:55 pm - 9:45 am

HLN

EZE

17h 50m

2 stops

8:10 pm - 10:30 pm

EZE

HLN

29h 20m

2 stops

$1,481Delta

Tue, Aug 11 - Thu, Aug 20

2:17 pm - 9:45 am

BZN

EZE

16h 28m

1 stop

8:10 pm - 12:04 am

EZE

BZN

30h 54m

2 stops

$1,481Delta

Thu, Aug 13 - Thu, Aug 20

10:30 am - 8:00 am

BZN

EZE

18h 30m

2 stops

9:00 pm - 1:24 pm

EZE

BZN

19h 24m

2 stops

$1,489Multiple Airlines

Tue, Aug 11 - Sat, Aug 22

6:15 am - 8:00 am

GTF

EZE

22h 45m

2 stops

9:00 pm - 9:12 pm

EZE

GTF

27h 12m

2 stops

$1,530Multiple Airlines

Tue, Aug 4 - Tue, Aug 11

Copa Airlines flights from Montana to Buenos Aires

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

Copa Airlines

Aug 13

BZN4:32 pmBozeman Gallatin Field

29h 19m

2 stops

EZE12:51 amBuenos Aires Ministro Pistarini

Aug 21

EZE5:25 amBuenos Aires Ministro Pistarini

31h 14m

2 stops

BZN9:39 amBozeman Gallatin Field

$1,299

Copa Airlines

Aug 13

BZN4:32 pmBozeman Gallatin Field

29h 19m

2 stops

EZE12:51 amBuenos Aires Ministro Pistarini

Aug 22

EZE5:25 amBuenos Aires Ministro Pistarini

31h 14m

2 stops

BZN9:39 amBozeman Gallatin Field

$1,336

Delta flights from Montana to Buenos Aires

Our best Delta deals on Montana to Buenos Aires flight tickets

Delta

Aug 11

HLN12:55 pmHelena

17h 50m

2 stops

EZE9:45 amBuenos Aires Ministro Pistarini

Aug 20

EZE8:10 pmBuenos Aires Ministro Pistarini

29h 20m

2 stops

HLN10:30 pmHelena

$1,481

Delta

Aug 13

BZN2:17 pmBozeman Gallatin Field

16h 28m

1 stop

EZE9:45 amBuenos Aires Ministro Pistarini

Aug 23

EZE8:10 pmBuenos Aires Ministro Pistarini

19h 57m

1 stop

BZN1:07 pmBozeman Gallatin Field

$1,517

Delta

Aug 13

BZN2:17 pmBozeman Gallatin Field

16h 28m

1 stop

EZE9:45 amBuenos Aires Ministro Pistarini

Aug 22

EZE8:10 pmBuenos Aires Ministro Pistarini

19h 57m

1 stop

BZN1:07 pmBozeman Gallatin Field

$1,592

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

BozemanBuenos Aires

BZN - EZE

BZNEZE

Bozeman Gallatin Field

Thu 8/13

4:32 pm-12:51 am

2 stops29h 19m

Buenos Aires Ministro Pistarini

Fri 8/21

5:25 am-9:39 am

2 stops31h 14m

$1,299

BozemanBuenos Aires

BZN - EZE

BZNEZE

Bozeman Gallatin Field

Thu 8/13

4:32 pm-12:51 am

2 stops29h 19m

Buenos Aires Ministro Pistarini

Sat 8/22

5:25 am-9:39 am

2 stops31h 14m

$1,336

ButteBuenos Aires

BTM - EZE

BTMEZE

Butte Silver Bow Co

Thu 9/10

10:00 am-8:00 am

2 stops19h 00m

Buenos Aires Ministro Pistarini

Mon 9/14

9:00 pm-10:27 pm

2 stops28h 27m

$1,381

BozemanBuenos Aires

BZN - EZE

BZNEZE

Bozeman Gallatin Field

Thu 9/10

7:00 am-8:00 am

2 stops22h 00m

Buenos Aires Ministro Pistarini

Mon 9/14

9:00 pm-9:07 pm

2 stops27h 07m

$1,381

BillingsBuenos Aires

BIL - EZE

BILEZE

Billings Logan Intl

Thu 9/17

7:00 am-8:00 am

2 stops22h 00m

Buenos Aires Ministro Pistarini

Mon 9/21

9:00 pm-9:00 pm

2 stops27h 00m

$1,381

Quickest round-trip

BozemanBuenos Aires

BZN - EZE

BZNEZE

Bozeman Gallatin Field

Tue 8/11

10:30 am-8:00 am

2 stops18h 30m

Buenos Aires Ministro Pistarini

Thu 8/20

9:00 pm-1:24 pm

2 stops19h 24m

$1,452

HelenaBuenos Aires

HLN - EZE

HLNEZE

Helena

Tue 8/11

12:55 pm-9:45 am

2 stops17h 50m

Buenos Aires Ministro Pistarini

Thu 8/20

8:10 pm-10:30 pm

2 stops29h 20m

$1,481

BozemanBuenos Aires

BZN - EZE

BZNEZE

Bozeman Gallatin Field

Thu 8/13

2:17 pm-9:45 am

1 stop16h 28m

Buenos Aires Ministro Pistarini

Thu 8/20

8:10 pm-12:04 am

2 stops30h 54m

$1,481

BozemanBuenos Aires

BZN - EZE

BZNEZE

Bozeman Gallatin Field

Tue 8/11

10:30 am-8:00 am

2 stops18h 30m

Buenos Aires Ministro Pistarini

Sat 8/22

9:00 pm-1:24 pm

2 stops19h 24m

$1,489

Great FallsBuenos Aires

GTF - EZE

GTFEZE

Great Falls

Tue 8/4

6:15 am-8:00 am

2 stops22h 45m

Buenos Aires Ministro Pistarini

Tue 8/11

9:00 pm-9:12 pm

2 stops27h 12m

$1,530

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

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

You could potentially save up to 1% on your flight if you consider stops on a Montana to Buenos Aires flight.

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

Fastest flight time	19h 00m
Direct flights	None

The fastest flight from Montana to Buenos Aires takes 19h 00m

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

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Frequently asked questions about flying 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.

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.

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Fly into one of these airports located in Buenos Aires

Buenos Aires Jorge Newbery Airport

Buenos Aires Ministro Pistarini Airport

Cheap flights from Montana to Buenos Aires from $532

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Montana to Buenos Aires departing on 7/10. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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

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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

Fastest flight time

Direct flights

Frequently asked questions about flying from Montana to Buenos Aires

Why use momondo?

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

Cabin classes currently available on flights to Buenos Aires

List of cabin classes available on flights landing in Buenos Aires. Availability may vary depending on flight origin and airline.

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