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Buenos Aires

$688+ Cheap flights from Montana to Buenos Aires (BUE)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 12/21. Fares are subject to change and may not be available on all flights or dates of travel.
BZN — BUE
Dec 14 — Dec 211
Sun 12/14
Sun 12/21
1 adult, Economy
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Find flight deals from Montana to Buenos Aires

Cheapest flights from Montana to Buenos Aires
Explore the most affordable flight options available from Montana to Buenos Aires. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 14, 2025.

This United deal was found by Cheapflights users on 11/12. 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 United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/164:00 pmBZN - EZE
3 stops33h 10mMultiple Airlines
Fri 11/215:55 amEZE - BZN
3 stops37h 35mMultiple Airlines
Deal found 11/12$1,032
This Delta deal was found by Cheapflights users on 11/13. 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.
Thu 12/46:10 pmGTF - EZE
2 stops40h 45mDelta
Sun 12/74:05 amEZE - GTF
2 stops22h 25mDelta
Deal found 11/13$1,466
This Delta deal was found by Cheapflights users on 11/12. 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.
Sun 12/72:36 pmBZN - EZE
2 stops35h 29mDelta
Thu 12/1111:55 pmEZE - BZN
1 stop17h 31mDelta
Deal found 11/12$1,466
This Delta deal was found by Cheapflights users on 11/12. 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.
Tue 12/25:30 amHLN - EZE
2 stops24h 45mDelta
Fri 12/58:55 pmEZE - HLN
2 stops29h 35mDelta
Deal found 11/12$1,470
This Delta deal was found by Cheapflights users on 11/12. 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.
Tue 12/26:06 pmFCA - EZE
2 stops34h 54mDelta
Fri 12/58:55 pmEZE - FCA
2 stops21h 34mDelta
Deal found 11/12$1,470
This Delta deal was found by Cheapflights users on 11/12. 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.
Sun 12/76:25 amBIL - EZE
2 stops20h 55mDelta
Thu 12/1111:55 pmEZE - BIL
2 stops21h 47mDelta
Deal found 11/12$1,470
This United Airlines deal was found by Cheapflights users on 11/11. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/219:44 amBTM - EZE
2 stops41h 36mUnited Airlines
Tue 8/49:00 pmEZE - BTM
2 stops28h 22mUnited Airlines
Deal found 11/11$1,512
This LATAM Airlines deal was found by Cheapflights users on 11/12. 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 LATAM Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/162:35 pmBZN - EZE
1 stop14h 25mDelta
Fri 11/218:55 pmEZE - BZN
1 stop20h 30mDelta
Deal found 11/12$1,704
This American Airlines deal was found by Cheapflights users on 11/12. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/71:46 pmBZN - EZE
1 stop14h 19mAmerican Airlines
Thu 12/1110:30 pmEZE - BZN
1 stop18h 24mAmerican Airlines
Deal found 11/12$1,726

Cheap flight deals from Montana to Buenos Aires

Keep the following information in mind while searching for Montana to Buenos Aires flight deals. Data was last updated November 14, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$1,190
(KAYAK)

One-way from

$688
(United Airlines)
Provider with most accurate pricing for Bozeman Gallatin Field-Buenos Aires (BUE) flight deals.
Search Deals
Provider most trusted by Cheapflights users for Bozeman Gallatin Field-Buenos Aires (BUE) flights.
Search Deals
From Montana to Buenos Aires (BUE)
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One-way flight from Montana to Buenos Aires (BUE)
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Cheapflights Fare Finder

 
Customize your flight search to find flights from Montana 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 November 14, 2025.
Use the filters below to find and compare flights from Montana to Buenos Aires that are best for you.

Fly from

Montana

Fly to

Buenos Aires

Route

Depart

Return

Price

BozemanBuenos Aires

BZN - EZE

BZNEZE

Bozeman Gallatin Field

Wed 4/8

2:00 pm-11:48 am

2 stops18h 48m

Buenos Aires Ministro Pistarini

Tue 4/28

7:45 am-1:10 pm

2 stops32h 25m

$1,190

BozemanBuenos Aires

BZN - EZE

BZNEZE

Bozeman Gallatin Field

Mon 4/6

2:00 pm-9:45 am

1 stop16h 45m

Buenos Aires Ministro Pistarini

Wed 4/29

6:00 pm-1:10 pm

2 stops22h 10m

$1,206

BozemanBuenos Aires

BZN - EZE

BZNEZE

Bozeman Gallatin Field

Mon 4/6

2:00 pm-9:45 am

1 stop16h 45m

Buenos Aires Ministro Pistarini

Tue 4/28

6:00 pm-1:10 pm

2 stops22h 10m

$1,206

BozemanBuenos Aires

BZN - EZE

BZNEZE

Bozeman Gallatin Field

Tue 4/7

2:00 pm-9:45 am

1 stop16h 45m

Buenos Aires Ministro Pistarini

Tue 4/28

7:45 am-1:10 pm

2 stops32h 25m

$1,206

BozemanBuenos Aires

BZN - EZE

BZNEZE

Bozeman Gallatin Field

Tue 4/7

2:00 pm-9:45 am

1 stop16h 45m

Buenos Aires Ministro Pistarini

Thu 4/30

6:00 pm-1:10 pm

2 stops22h 10m

$1,206

BozemanBuenos Aires

BZN - EZE

BZNEZE

Bozeman Gallatin Field

Mon 4/6

2:00 pm-9:45 am

1 stop16h 45m

Buenos Aires Ministro Pistarini

Thu 4/30

6:00 pm-1:10 pm

2 stops22h 10m

$1,206

BozemanBuenos Aires

BZN - EZE

BZNEZE

Bozeman Gallatin Field

Wed 4/8

2:00 pm-9:45 am

1 stop16h 45m

Buenos Aires Ministro Pistarini

Wed 4/29

2:25 am-1:10 pm

2 stops37h 45m

$1,206

HelenaBuenos Aires

HLN - EZE

HLNEZE

Helena

Fri 1/9

5:30 am-9:00 am

2 stops23h 30m

Buenos Aires Ministro Pistarini

Thu 1/29

11:55 pm-10:29 pm

2 stops26h 34m

$1,440

Great FallsBuenos Aires

GTF - EZE

GTFEZE

Great Falls

Thu 12/4

6:10 pm-2:55 pm

2 stops40h 45m

Buenos Aires Ministro Pistarini

Sun 12/7

4:05 am-10:30 pm

2 stops22h 25m

$1,466

HelenaBuenos Aires

HLN - EZE

HLNEZE

Helena

Tue 12/2

5:30 am-10:15 am

2 stops24h 45m

Buenos Aires Ministro Pistarini

Fri 12/5

8:55 pm-10:30 pm

2 stops29h 35m

$1,470

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/13

Showing 1-10 of 31 results
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Best time to book a flight from Montana to Buenos Aires

Have a flexible travel schedule? Discover the best time to fly to Buenos Aires from Montana 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 Montana to Buenos Aires
No data available for this route at this time. Please check back soon.

Related info for your journey

Find useful and relevant information for your journey from Montana to Buenos Aires. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

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

    For as low as $1,206, LATAM Airlines can have you in Buenos Aires from Montana in 16h 45m. Montana and Buenos Aires are separated by a distance of 6458 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What are the most popular routes from Montana to Buenos Aires?

    The most popular route from Montana to Buenos Aires is Bozeman Gallatin Field - Buenos Aires Ministro Pistarini. You may also consider Great Falls - Buenos Aires Ministro Pistarini or Helena - Buenos Aires Ministro Pistarini.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Montana 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.

See more FAQs

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