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

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

How long does it take to fly to Buenos Aires?

On average, it takes 14h 50m to fly from Montana to Buenos Aires if you fly out of Bozeman (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 Billings and into Buenos Aires Ministro Pistarini Airport, then the flight time is around 20h 55m.

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.

$688 Cheap Flights from Montana to Buenos Aires in 2025/26

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Find the cheapest flights from Montana to Buenos Aires

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Cheap round-trip flights

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6:15 am - 9:00 amBIL-EZE

23h 45m2 stops

8:55 pm - 10:50 pmEZE-BIL

28h 55m2 stops

$1,210Delta

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Wed, Mar 18 - Wed, Mar 25

6:20 am - 7:20 amBZN-EZE

21h 00m2 stops

9:05 pm - 10:06 pmEZE-BZN

28h 01m2 stops

$1,290United Airlines

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Wed, Mar 4 - Wed, Mar 11

2:03 pm - 8:30 amBIL-EZE

15h 27m1 stop

10:25 pm - 11:57 amEZE-BIL

16h 32m1 stop

$1,306American Airlines

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Wed, Mar 18 - Wed, Mar 25

7:52 am - 10:15 amBIL-EZE

23h 23m2 stops

10:25 pm - 8:50 pmEZE-BIL

25h 25m1 stop

$1,310American Airlines

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Wed, Mar 18 - Wed, Mar 25

1:47 pm - 8:25 amBZN-EZE

14h 38m1 stop

10:25 pm - 2:36 pmEZE-BZN

19h 11m1 stop

$1,336American Airlines

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Wed, Mar 4 - Wed, Mar 11

1:47 pm - 8:25 amBZN-EZE

14h 38m1 stop

9:50 pm - 7:15 pmEZE-BZN

24h 25m2 stops

$1,340American Airlines

Find Deal

Wed, Mar 4 - Wed, Mar 11

12:36 pm - 9:00 amBZN-EZE

16h 24m1 stop

8:10 pm - 1:06 pmEZE-BZN

19h 56m1 stop

$1,436Delta

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Fri, Jan 2 - Tue, Aug 4

1:11 pm - 6:05 amHLN-EZE

36h 54m2 stops

8:10 pm - 10:34 pmEZE-HLN

29h 24m2 stops

$1,440Delta

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Fri, Jan 2 - Tue, Aug 4

1:15 pm - 1:45 pmBZN-EZE

68h 30m3 stops

7:43 pm - 11:59 amEZE-BZN

20h 16m2 stops

$1,502Multiple Airlines

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Tue, Dec 9 - Tue, Dec 16

10:45 am - 3:10 pmBIL-EZE

25h 25m3 stops

4:45 pm - 1:13 pmEZE-BIL

23h 28m3 stops

$1,597Multiple Airlines

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Thu, Mar 19 - Wed, Mar 25

Delta flights from Montana to Buenos Aires

Our best Delta deals on Montana to Buenos Aires flight tickets

Delta

Mar 18

BIL6:15 amBillings Logan Intl

23h 45m

2 stops

EZE9:00 amBuenos Aires Ministro Pistarini

Mar 25

EZE8:55 pmBuenos Aires Ministro Pistarini

28h 55m

2 stops

BIL10:50 pmBillings Logan Intl

$1,210

Find similar

Delta

Jan 2

BZN12:36 pmBozeman Gallatin Field

16h 24m

1 stop

EZE9:00 amBuenos Aires Ministro Pistarini

Aug 4

EZE8:10 pmBuenos Aires Ministro Pistarini

19h 56m

1 stop

BZN1:06 pmBozeman Gallatin Field

$1,436

Find similar

Delta

Jan 2

HLN1:11 pmHelena

36h 54m

2 stops

EZE6:05 amBuenos Aires Ministro Pistarini

Aug 4

EZE8:10 pmBuenos Aires Ministro Pistarini

29h 24m

2 stops

HLN10:34 pmHelena

$1,440

Find similar

American Airlines flights from Montana to Buenos Aires

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

American Airlines

Mar 18

BIL2:03 pmBillings Logan Intl

15h 27m

1 stop

EZE8:30 amBuenos Aires Ministro Pistarini

Mar 25

EZE10:25 pmBuenos Aires Ministro Pistarini

16h 32m

1 stop

BIL11:57 amBillings Logan Intl

$1,306

Find similar

American Airlines

Mar 18

BIL7:52 amBillings Logan Intl

23h 23m

2 stops

EZE10:15 amBuenos Aires Ministro Pistarini

Mar 25

EZE10:25 pmBuenos Aires Ministro Pistarini

25h 25m

1 stop

BIL8:50 pmBillings Logan Intl

$1,310

Find similar

American Airlines

Mar 4

BZN1:47 pmBozeman Gallatin Field

14h 38m

1 stop

EZE8:25 amBuenos Aires Ministro Pistarini

Mar 11

EZE10:25 pmBuenos Aires Ministro Pistarini

19h 11m

1 stop

BZN2:36 pmBozeman Gallatin Field

$1,336

Find similar

Fly from

Fly to

Route

Depart

Return

Price

BillingsBuenos Aires

BIL - EZE

BILEZE

Billings Logan Intl

Wed 3/18

6:15 am-9:00 am

2 stops23h 45m

Buenos Aires Ministro Pistarini

Wed 3/25

8:55 pm-10:50 pm

2 stops28h 55m

$1,210

BozemanBuenos Aires

BZN - EZE

BZNEZE

Bozeman Gallatin Field

Wed 3/4

6:20 am-7:20 am

2 stops21h 00m

Buenos Aires Ministro Pistarini

Wed 3/11

9:05 pm-10:06 pm

2 stops28h 01m

$1,290

BillingsBuenos Aires

BIL - EZE

BILEZE

Billings Logan Intl

Wed 3/18

2:03 pm-8:30 am

1 stop15h 27m

Buenos Aires Ministro Pistarini

Wed 3/25

10:25 pm-11:57 am

1 stop16h 32m

$1,306

BillingsBuenos Aires

BIL - EZE

BILEZE

Billings Logan Intl

Wed 3/18

7:52 am-10:15 am

2 stops23h 23m

Buenos Aires Ministro Pistarini

Wed 3/25

10:25 pm-8:50 pm

1 stop25h 25m

$1,310

BozemanBuenos Aires

BZN - EZE

BZNEZE

Bozeman Gallatin Field

Wed 3/4

1:47 pm-8:25 am

1 stop14h 38m

Buenos Aires Ministro Pistarini

Wed 3/11

10:25 pm-2:36 pm

1 stop19h 11m

$1,336

BozemanBuenos Aires

BZN - EZE

BZNEZE

Bozeman Gallatin Field

Wed 3/4

1:47 pm-8:25 am

1 stop14h 38m

Buenos Aires Ministro Pistarini

Wed 3/11

9:50 pm-7:15 pm

2 stops24h 25m

$1,340

BozemanBuenos Aires

BZN - EZE

BZNEZE

Bozeman Gallatin Field

Fri 1/2

12:36 pm-9:00 am

1 stop16h 24m

Buenos Aires Ministro Pistarini

Tue 8/4

8:10 pm-1:06 pm

1 stop19h 56m

$1,436

HelenaBuenos Aires

HLN - EZE

HLNEZE

Helena

Fri 1/2

1:11 pm-6:05 am

2 stops36h 54m

Buenos Aires Ministro Pistarini

Tue 8/4

8:10 pm-10:34 pm

2 stops29h 24m

$1,440

BozemanBuenos Aires

BZN - EZE

BZNEZE

Bozeman Gallatin Field

Tue 12/9

1:15 pm-1:45 pm

3 stops68h 30m

Buenos Aires Ministro Pistarini

Tue 12/16

7:43 pm-11:59 am

2 stops20h 16m

$1,502

BillingsBuenos Aires

BIL - EZE

BILEZE

Billings Logan Intl

Thu 3/19

10:45 am-3:10 pm

3 stops25h 25m

Buenos Aires Ministro Pistarini

Wed 3/25

4:45 pm-1:13 pm

3 stops23h 28m

$1,597

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

Airlines

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 8% 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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Find better results for your trip to Argentina

Cheap flights from Montana to Buenos Aires from $688

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 12/11. 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

Cheap last minute flights

Delta flights from Montana to Buenos Aires

Our best Delta deals on Montana to Buenos Aires flight tickets

American Airlines flights from Montana to Buenos Aires

Our best American 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 8% 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, United Airlines, and American Airlines 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