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$450+ 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
ene. 11 — ene. 181
dom. 1/11
dom. 1/18
1 adult, Economy
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Cheap flight deals from Tucson to Buenos Aires

Best flights from Tucson to Buenos Aires
Discover carefully curated flight deals from Tucson to Buenos Aires that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated diciembre 12, 2025.

This United Airlines deal was found by Cheapflights users on 12/10. 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.
dom. 2/15:35 pmTUS - EZE
2 stops35h 45mUnited Airlines
dom. 2/1511:55 pmEZE - TUS
2 stops25h 46mUnited Airlines
Deal found 12/10$1,070
This LATAM Airlines deal was found by Cheapflights users on 12/11. 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 LATAM Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 4/912:43 pmTUS - EZE
1 stop17h 02mLATAM Airlines
lun. 4/137:35 amEZE - TUS
3 stops32h 17mLATAM Airlines
Deal found 12/11$1,105
This United Airlines deal was found by Cheapflights users on 12/11. 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.
dom. 2/15:35 pmTUS - EZE
2 stops35h 45mUnited Airlines
sáb. 2/710:05 pmEZE - TUS
1 stop17h 48mUnited Airlines
Deal found 12/11$1,146
This United Airlines deal was found by Cheapflights users on 12/9. 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.
jue. 4/96:30 amTUS - EZE
1 stop21h 30mUnited Airlines
lun. 4/139:00 pmEZE - TUS
1 stop28h 10mUnited Airlines
Deal found 12/9$1,163
This KAYAK deal was found by Cheapflights users on 12/10. 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.
dom. 2/11:42 pmTUS - AEP
2 stops22h 18mLATAM Airlines
dom. 2/155:15 pmAEP - TUS
2 stops23h 09mLATAM Airlines
Deal found 12/10$1,280
This LATAM Airlines deal was found by Cheapflights users on 12/9. 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.
jue. 4/96:25 amTUS - AEP
2 stops24h 05mLATAM Airlines
lun. 4/138:40 amAEP - TUS
2 stops31h 12mLATAM Airlines
Deal found 12/9$1,364
This oojo deal was found by Cheapflights users on 12/11. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 2/16:51 pmTUS - AEP
3 stops36h 54mMultiple Airlines
sáb. 2/75:15 pmAEP - TUS
2 stops23h 05mMultiple Airlines
Deal found 12/11$10,955

Find 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 diciembre 12, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$1,070
(United Airlines)

One-way from

$450
(Kiwi.com)

Popular in

December

Cheapest in

September

Average price

$2,098
Provider with most accurate pricing for Tucson-Buenos Aires (BUE) flight deals.
Search Deals
Provider most trusted by Cheapflights users for Tucson-Buenos Aires (BUE) flights.
Search Deals
From Tucson to Buenos Aires (BUE)
Search Deals
One-way flight from Tucson to Buenos Aires (BUE)
Search Deals
Highest demand for flights based on searches. 16% potential increase in price ($258 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 6% potential price decrease ($84 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

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 diciembre 12, 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

dom. 2/1

5:35 pm-9:20 am

2 stops35h 45m

Buenos Aires Ministro Pistarini

dom. 2/15

11:55 pm-9:41 pm

2 stops25h 46m

$1,070

TucsonBuenos Aires

TUS - EZE

TUSEZE

Tucson

jue. 4/9

12:43 pm-9:45 am

1 stop17h 02m

Buenos Aires Ministro Pistarini

lun. 4/13

7:35 am-11:52 am

3 stops32h 17m

$1,105

TucsonBuenos Aires

TUS - EZE

TUSEZE

Tucson

dom. 2/1

5:35 pm-9:20 am

2 stops35h 45m

Buenos Aires Ministro Pistarini

sáb. 2/7

10:05 pm-11:53 am

1 stop17h 48m

$1,146

TucsonBuenos Aires

TUS - EZE

TUSEZE

Tucson

jue. 4/9

6:30 am-8:00 am

1 stop21h 30m

Buenos Aires Ministro Pistarini

lun. 4/13

9:00 pm-9:10 pm

1 stop28h 10m

$1,163

TucsonBuenos Aires

TUS - AEP

TUSAEP

Tucson

dom. 2/1

1:42 pm-4:00 pm

2 stops22h 18m

Buenos Aires Jorge Newbery

dom. 2/15

5:15 pm-12:24 pm

2 stops23h 09m

$1,280

TucsonBuenos Aires

TUS - AEP

TUSAEP

Tucson

jue. 4/9

6:25 am-10:30 am

2 stops24h 05m

Buenos Aires Jorge Newbery

lun. 4/13

8:40 am-11:52 am

2 stops31h 12m

$1,364

TucsonBuenos Aires

TUS - AEP

TUSAEP

Tucson

dom. 2/1

6:51 pm-11:45 am

3 stops36h 54m

Buenos Aires Jorge Newbery

sáb. 2/7

5:15 pm-12:20 pm

2 stops23h 05m

$10,955

TucsonBuenos Aires

TUS - AEP

TUSAEP

Tucson

mar. 12/30

7:20 pm-11:00 pm

3 stops47h 40m

$450

TucsonBuenos Aires

TUS - AEP

TUSAEP

Tucson

dom. 12/28

7:43 pm-2:00 pm

3 stops38h 17m

$519

TucsonBuenos Aires

TUS - EZE

TUSEZE

Tucson

dom. 12/28

7:43 pm-9:15 am

3 stops33h 32m

$519

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/11

Showing 1-10 of 22 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 December.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
OvagoPrice Accuracy2 starsTrust Score*2 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star

*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 diciembre 12, 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
9,095 reviews

Crew

8.1

Food

6.6

Comfort

7.3

Entertainment

7.1

Boarding

7.7

Overall

7.4

Reviews

1 / 20
10.0
Excellent

Sunderesh,Dec 2025

AUS - EWR

Smooth flight from Austin to Newark. The crew was friendly.
United Airlines
7.4
Good
9,095 reviews
United Airlines
7.4
Good
9,095 reviews

Crew

8.1

Food

6.6

Comfort

7.3

Entertainment

7.1

Boarding

7.7

Overall

7.4

Reviews

1 / 20
10.0
Excellent

Sunderesh,Dec 2025

AUS - EWR

Smooth flight from Austin to Newark. The crew was friendly.
American Airlines
7.2
Good
11,050 reviews
United Airlines
7.4
Good
9,095 reviews

Crew

8.1

Food

6.6

Comfort

7.3

Entertainment

7.1

Boarding

7.7

Overall

7.4

Reviews

1 / 20
10.0
Excellent

Sunderesh,Dec 2025

AUS - EWR

Smooth flight from Austin to Newark. The crew was friendly.

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 and LATAM Airlines fly from Tucson to Buenos Aires in about 17h 02m. The time it takes to get you to your destination can typically vary by up to 18h 43m. 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?

    United 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 American Airlines. Users have found that United Airlines is 23% 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

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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 diciembre 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$1,023Average$1,270FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$1,133Average$1,415FlexibilityNo cancel feeOn-time71%

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