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$436+ 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 12/30. Fares are subject to change and may not be available on all flights or dates of travel.
TUS — BUE
Dec 20 — Dec 271
Sat 12/20
Sat 12/27
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 November 20, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$1,066
(United Airlines)

One-way from

$436
(Kiwi.com)

Popular in

December

Cheapest in

September

Average price

$1,281
Provider with most accurate pricing for Tucson-Buenos Aires (BUE) flight deals.
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Provider most trusted by Cheapflights users for Tucson-Buenos Aires (BUE) flights.
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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. 14% potential increase in price ($216 potential increase over avg. RT price).
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Cheapest flight prices on average. 5% potential price decrease ($74 potential savings vs. average RT price).
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Average for round-trip flights in November 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 November 20, 2025.

This KAYAK deal was found by Cheapflights users on 11/20. 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.
Mon 12/16:00 amTUS - EZE
2 stops23h 35mLATAM Airlines
Mon 12/1511:55 pmEZE - TUS
1 stop16h 44mLATAM Airlines
Deal found 11/20$1,212
This LATAM Airlines deal was found by Cheapflights users on 11/19. 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 12/11:50 pmTUS - EZE
1 stop15h 10mDelta
Mon 12/1511:55 pmEZE - TUS
1 stop16h 44mDelta
Deal found 11/19$1,216
This United Airlines deal was found by Cheapflights users on 11/20. 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 12/246:40 amTUS - EZE
2 stops22h 40mUnited Airlines
Sun 12/2810:05 pmEZE - TUS
1 stop17h 27mUnited Airlines
Deal found 11/20$1,355
This Delta deal was found by Cheapflights users on 11/18. 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.
Sat 12/66:00 amTUS - EZE
1 stop23h 00mDelta
Wed 12/108:55 pmEZE - TUS
1 stop19h 44mDelta
Deal found 11/18$1,491
This United Airlines deal was found by Cheapflights users on 11/18. 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 12/610:40 amTUS - EZE
2 stops18h 40mUnited Airlines
Wed 12/1011:55 pmEZE - TUS
2 stops22h 10mUnited Airlines
Deal found 11/18$1,495
This LATAM Airlines deal was found by Cheapflights users on 11/19. 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.
Wed 11/266:00 amTUS - EZE
1 stop23h 00mDelta
Wed 12/38:55 pmEZE - TUS
1 stop19h 44mDelta
Deal found 11/19$1,568
This LATAM Airlines deal was found by Cheapflights users on 11/19. 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.
Wed 11/266:00 amTUS - EZE
2 stops20h 05mLATAM Airlines
Tue 12/24:05 amEZE - TUS
2 stops23h 40mLATAM Airlines
Deal found 11/19$1,930
This KAYAK deal was found by Cheapflights users on 11/20. 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 12/241:22 pmTUS - EZE
1 stop15h 38mLATAM Airlines
Sat 12/272:25 amEZE - TUS
2 stops23h 55mLATAM Airlines
Deal found 11/20$2,110
This KAYAK deal was found by Cheapflights users on 11/18. 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 11/221:50 pmTUS - AEP
2 stops22h 10mLATAM Airlines
Mon 11/242:55 pmAEP - TUS
2 stops25h 45mLATAM Airlines
Deal found 11/18$2,126
This LATAM Airlines deal was found by Cheapflights users on 11/19. 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.
Wed 11/261:50 pmTUS - AEP
2 stops22h 10mLATAM Airlines
Wed 12/33:40 pmAEP - TUS
2 stops24h 59mLATAM Airlines
Deal found 11/19$2,157
This LATAM Airlines deal was found by Cheapflights users on 11/19. 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 11/301:50 pmTUS - AEP
2 stops23h 10mLATAM Airlines
Wed 12/35:15 pmAEP - TUS
2 stops23h 24mLATAM Airlines
Deal found 11/19$2,358
This LATAM Airlines deal was found by Cheapflights users on 11/20. 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 12/11:50 pmTUS - AEP
2 stops20h 10mMultiple Airlines
Mon 12/153:40 pmAEP - TUS
2 stops29h 25mMultiple Airlines
Deal found 11/20$2,439

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 November 20, 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 - EZE

TUSEZE

Tucson

Sat 2/14

1:05 pm-7:20 am

1 stop14h 15m

Buenos Aires Ministro Pistarini

Mon 3/2

10:05 pm-11:48 am

1 stop17h 43m

$1,066

TucsonBuenos Aires

TUS - EZE

TUSEZE

Tucson

Sat 2/14

7:45 am-9:00 am

2 stops21h 15m

Buenos Aires Ministro Pistarini

Mon 3/2

8:55 pm-12:22 pm

1 stop19h 27m

$1,070

TucsonBuenos Aires

TUS - EZE

TUSEZE

Tucson

Mon 12/1

6:00 am-9:35 am

2 stops23h 35m

Buenos Aires Ministro Pistarini

Mon 12/15

11:55 pm-12:39 pm

1 stop16h 44m

$1,212

TucsonBuenos Aires

TUS - EZE

TUSEZE

Tucson

Mon 12/1

1:50 pm-9:00 am

1 stop15h 10m

Buenos Aires Ministro Pistarini

Mon 12/15

11:55 pm-12:39 pm

1 stop16h 44m

$1,216

TucsonBuenos Aires

TUS - EZE

TUSEZE

Tucson

Sat 2/14

1:32 pm-9:00 am

1 stop15h 28m

Buenos Aires Ministro Pistarini

Sun 3/1

4:05 am-12:22 pm

2 stops36h 17m

$1,293

TucsonBuenos Aires

TUS - EZE

TUSEZE

Tucson

Wed 12/24

6:40 am-9:20 am

2 stops22h 40m

Buenos Aires Ministro Pistarini

Sun 12/28

10:05 pm-11:32 am

1 stop17h 27m

$1,355

TucsonBuenos Aires

TUS - EZE

TUSEZE

Tucson

Sat 12/6

7:30 am-6:05 am

2 stops18h 35m

Buenos Aires Ministro Pistarini

Wed 12/10

8:00 am-11:45 pm

2 stops19h 45m

$1,491

TucsonBuenos Aires

TUS - AEP

TUSAEP

Tucson

Sat 3/7

1:32 pm-7:55 am

2 stops38h 23m

Buenos Aires Jorge Newbery

Sat 3/28

3:40 pm-11:24 am

2 stops23h 44m

$1,534

TucsonBuenos Aires

TUS - AEP

TUSAEP

Tucson

Sat 2/14

7:00 am-7:55 am

2 stops20h 55m

Buenos Aires Jorge Newbery

Mon 3/2

5:15 pm-12:22 pm

2 stops23h 07m

$1,828

TucsonBuenos Aires

TUS - AEP

TUSAEP

Tucson

Sun 11/30

1:50 pm-5:00 pm

2 stops23h 10m

Buenos Aires Jorge Newbery

Wed 12/3

5:15 pm-12:39 pm

2 stops23h 24m

$2,358

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/19

Showing 1-10 of 28 results
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Compare providers for flights from Tucson to Buenos Aires

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Tucson to Buenos Aires in November.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
OvagoPrice Accuracy2 starsTrust Score*2 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Tucson-Buenos Aires flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Tucson-Buenos Aires flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Tucson-Buenos Aires flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Tucson-Buenos Aires flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Tucson-Buenos Aires flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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 November 20, 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
9,028 reviews

Entertainment

7.1

Boarding

7.7

Comfort

7.3

Crew

8.1

Overall

7.4

Food

6.6

Reviews

1 / 20
2.0
Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000
United Airlines
7.4
Good
9,028 reviews
United Airlines
7.4
Good
9,028 reviews

Entertainment

7.1

Boarding

7.7

Comfort

7.3

Crew

8.1

Overall

7.4

Food

6.6

Reviews

1 / 20
2.0
Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000
American Airlines
7.2
Good
11,047 reviews
United Airlines
7.4
Good
9,028 reviews

Entertainment

7.1

Boarding

7.7

Comfort

7.3

Crew

8.1

Overall

7.4

Food

6.6

Reviews

1 / 20
2.0
Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000

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 United Airlines, Delta, and LATAM Airlines fly from Tucson to Buenos Aires in about 14h 15m. The time it takes to get you to your destination can typically vary by up to 9h 20m. The distance from Tucson to Buenos Aires is about 5736 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 21% 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.

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 November 20, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$1,023Average$1,395FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$1,023Average$1,210FlexibilityNo cancel feeOn-time69%

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