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$539+ Cheap flights from Tucson (TUS) 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 1/18. Fares are subject to change and may not be available on all flights or dates of travel.
TUS — BUE
Oct 17 — Oct 241
Fri 10/17
Fri 10/24
1 adult, Economy
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Cheap flight deals from Tucson to Buenos Aires

Discover tips and strategies to find the most affordable flight options for your journey from Tucson (TUS) 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 17, 2025.

Round-trip from

$1,025
(LATAM Airlines)

One-way from

$539
(Kiwi.com)

Popular in

December

Cheapest in

September

Average price

$1,025
From Tucson to Buenos Aires (BUE)
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One-way flight from Tucson to Buenos Aires (BUE)
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Highest demand for flights based on searches. 15% potential increase in price ($249 potential increase over avg. RT price).
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Cheapest flight prices on average. 9% potential price decrease ($111 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Find flight deals from Tucson to Buenos Aires

Cheapest flights from Tucson to Buenos Aires
Explore the most affordable flight options available from Tucson to Buenos Aires. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 17, 2025.

This LATAM Airlines deal was found by Cheapflights users on 9/15. 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.
Mon 12/11:48 pmTUS - AEP
2 stops22h 12mLATAM Airlines
Mon 12/155:15 pmAEP - TUS
2 stops23h 28mLATAM Airlines
Deal found 9/15$1,025
This Delta deal was found by Cheapflights users on 9/15. 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 12/16:00 amTUS - EZE
1 stop23h 00mDelta
Sun 12/144:05 amEZE - TUS
2 stops22h 32mDelta
Deal found 9/15$1,025
This United Airlines deal was found by Cheapflights users on 9/15. 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.
Thu 10/306:00 amTUS - EZE
2 stops20h 20mUnited Airlines
Thu 11/611:55 pmEZE - TUS
1 stop15h 25mUnited Airlines
Deal found 9/15$1,100
This United Airlines deal was found by Cheapflights users on 9/14. 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.
Sat 12/67:35 amTUS - EZE
1 stop19h 45mUnited Airlines
Wed 12/1011:55 pmEZE - TUS
1 stop15h 24mUnited Airlines
Deal found 9/14$1,141
This LATAM Airlines deal was found by Cheapflights users on 9/15. 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.
Thu 10/301:17 pmTUS - AEP
2 stops22h 43mLATAM Airlines
Thu 11/65:15 pmAEP - TUS
2 stops23h 50mLATAM Airlines
Deal found 9/15$1,175
This LATAM Airlines deal was found by Cheapflights users on 9/15. 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.
Thu 10/306:00 amTUS - EZE
2 stops19h 55mLATAM Airlines
Wed 11/54:05 amEZE - TUS
2 stops23h 25mLATAM Airlines
Deal found 9/15$1,175
This American Airlines deal was found by Cheapflights users on 9/15. 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.
Wed 10/85:00 amTUS - EZE
2 stops22h 25mAmerican Airlines
Tue 10/2110:30 pmEZE - TUS
2 stops17h 59mAmerican Airlines
Deal found 9/15$1,200
This KAYAK deal was found by Cheapflights users on 9/15. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/86:00 amTUS - AEP
2 stops30h 05mLATAM Airlines
Tue 10/215:05 pmAEP - TUS
2 stops23h 02mLATAM Airlines
Deal found 9/15$1,215
This Delta deal was found by Cheapflights users on 9/17. 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.
Wed 10/81:17 pmTUS - EZE
1 stop16h 28mDelta
Tue 10/218:10 pmEZE - TUS
1 stop19h 57mDelta
Deal found 9/17$1,215
This United Airlines deal was found by Cheapflights users on 9/15. 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.
Wed 10/84:25 pmTUS - EZE
2 stops35h 35mUnited Airlines
Tue 10/219:00 pmEZE - TUS
1 stop17h 16mUnited Airlines
Deal found 9/15$1,219
This Delta deal was found by Cheapflights users on 9/15. 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 10/301:17 pmTUS - EZE
1 stop15h 43mDelta
Wed 11/54:05 amEZE - TUS
2 stops23h 25mDelta
Deal found 9/15$1,227
This KAYAK deal was found by Cheapflights users on 9/16. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/116:00 amTUS - AEP
2 stops30h 05mLATAM Airlines
Sat 10/255:05 pmAEP - TUS
2 stops23h 02mLATAM Airlines
Deal found 9/16$1,312

Cheapflights Fare Finder

 
Customize your flight search to find flights from Tucson 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 17, 2025.
Use the filters below to find and compare flights from Tucson to Buenos Aires that are best for you.

Fly from

Tucson

Fly to

Buenos Aires

Route

Depart

Return

Price

TucsonBuenos Aires

TUS - AEP

TUSAEP

Tucson

Mon 12/1

1:48 pm-4:00 pm

2 stops22h 12m

Buenos Aires Jorge Newbery

Mon 12/15

5:15 pm-12:43 pm

2 stops23h 28m

$1,025

TucsonBuenos Aires

TUS - EZE

TUSEZE

Tucson

Mon 12/1

6:00 am-9:00 am

1 stop23h 00m

Buenos Aires Ministro Pistarini

Sun 12/14

4:05 am-10:37 pm

2 stops22h 32m

$1,025

TucsonBuenos Aires

TUS - EZE

TUSEZE

Tucson

Mon 12/1

6:00 am-6:20 am

2 stops20h 20m

Buenos Aires Ministro Pistarini

Sun 12/14

4:05 am-11:59 pm

2 stops23h 54m

$1,025

TucsonBuenos Aires

TUS - EZE

TUSEZE

Tucson

Thu 10/30

6:00 am-6:20 am

2 stops20h 20m

Buenos Aires Ministro Pistarini

Thu 11/6

11:55 pm-11:20 am

1 stop15h 25m

$1,100

TucsonBuenos Aires

TUS - AEP

TUSAEP

Tucson

Thu 10/30

1:17 pm-4:00 pm

2 stops22h 43m

Buenos Aires Jorge Newbery

Thu 11/6

5:15 pm-1:05 pm

2 stops23h 50m

$1,175

TucsonBuenos Aires

TUS - AEP

TUSAEP

Tucson

Wed 10/8

6:00 am-4:05 pm

2 stops30h 05m

Buenos Aires Jorge Newbery

Tue 10/21

5:05 pm-12:07 pm

2 stops23h 02m

$1,215

TucsonBuenos Aires

TUS - AEP

TUSAEP

Tucson

Sat 10/11

6:00 am-4:05 pm

2 stops30h 05m

Buenos Aires Jorge Newbery

Sat 10/25

5:05 pm-12:07 pm

2 stops23h 02m

$1,312

TucsonBuenos Aires

TUS - AEP

TUSAEP

Tucson

Thu 12/4

6:00 am-4:00 pm

2 stops30h 00m

Buenos Aires Jorge Newbery

Mon 12/8

10:35 am-12:43 pm

2 stops30h 08m

$1,363

TucsonBuenos Aires

TUS - AEP

TUSAEP

Tucson

Mon 10/6

1:17 pm-4:05 pm

2 stops22h 48m

Buenos Aires Jorge Newbery

Sat 10/11

5:05 pm-12:07 pm

2 stops23h 02m

$1,490

TucsonBuenos Aires

TUS - EZE

TUSEZE

Tucson

Sun 1/18

7:36 pm-9:15 am

3 stops33h 39m

$539

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/15

Showing 1-10 of 21 results
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Best time to book a flight from Tucson to Buenos Aires

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

Reviews of airlines servicing Buenos Aires

Get insights into the airlines that provide service to Buenos Aires. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Buenos Aires. Reviews last updated September 17, 2025.
Get a feel of what it's like to fly with United Airlines and American Airlines from Tucson to Buenos Aires by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
8,926 reviews

Boarding

7.7

Overall

7.4

Comfort

7.3

Crew

8.1

Entertainment

7.1

Food

6.6

Reviews

1 / 20
10.0
Excellent

Julia,Sep 2025

BUF - DEN

The staff were amazing, from check in to boarding and on the flight. The range of entertainment options were really good as well.
United Airlines
7.4
Good
8,926 reviews
United Airlines
7.4
Good
8,926 reviews

Boarding

7.7

Overall

7.4

Comfort

7.3

Crew

8.1

Entertainment

7.1

Food

6.6

Reviews

1 / 20
10.0
Excellent

Julia,Sep 2025

BUF - DEN

The staff were amazing, from check in to boarding and on the flight. The range of entertainment options were really good as well.
American Airlines
7.2
Good
10,000 reviews
United Airlines
7.4
Good
8,926 reviews

Boarding

7.7

Overall

7.4

Comfort

7.3

Crew

8.1

Entertainment

7.1

Food

6.6

Reviews

1 / 20
10.0
Excellent

Julia,Sep 2025

BUF - DEN

The staff were amazing, from check in to boarding and on the flight. The range of entertainment options were really good as well.

Related info for your journey

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

    Located just 7.5 mi from the city center, Tucson is the airport most travelers will use when flying to Buenos Aires from Tucson. Booking flights from Tucson (TUS) to Buenos Aires should be relatively easy as there are 0 daily outbound flights to Buenos Aires from 2 different airlines.

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

    Airlines like LATAM Airlines and Delta fly from Tucson to Buenos Aires in about 22h 12m. The time it takes to get you to your destination can typically vary by up to 48m. The distance from Tucson to Buenos Aires is about 5727 mi. This flight may include one or multiple stops.

  • What are the cheapest airlines flying from Tucson to Buenos Aires round-trip?

    American Airlines, at $1,023, was found to be the cheapest airline from Tucson to Buenos Aires. An alternate airline flying to your destination would be United Airlines. Users have found that American Airlines is 22% cheaper than the other options available to this destination.

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

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

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

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

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

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

    Currently, April is the cheapest month in which you can book a flight from Tucson to Buenos Aires (average of $795). Flying from Tucson 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

Browse thousands of different options on Cheapflights for your next trip

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Top 2 airlines flying from Tucson to Buenos Aires

Discover the top 2 airlines that operate flights from Tucson to Buenos Aires. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated September 17, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$1,023Average$1,220FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$1,023Average$1,210FlexibilityNo cancel feeOn-time69%

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