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$664+ 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 3/3. Fares are subject to change and may not be available on all flights or dates of travel.
TUS — BUE
Mar 2 — Mar 91
Mon 3/2
Mon 3/9
1 adult, Economy
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Cheap 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 January 31, 2026.

This KAYAK deal was found by Cheapflights users on 1/30. 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 4/136:30 am
TUS
-
EZE
1 stop21h 30m
Multiple Airlines
Tue 4/289:00 pm
EZE
-
TUS
1 stop17h 57m
Multiple Airlines
Deal found 1/30$1,023
This United Airlines deal was found by Cheapflights users on 1/30. 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 4/1612:00 pm
TUS
-
EZE
1 stop16h 00m
United Airlines
Tue 4/289:00 pm
EZE
-
TUS
1 stop17h 57m
United Airlines
Deal found 1/30$1,047
This United Airlines deal was found by Cheapflights users on 1/30. 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.
Mon 4/1312:00 pm
TUS
-
EZE
1 stop16h 00m
United Airlines
Wed 4/299:00 pm
EZE
-
TUS
1 stop28h 21m
United Airlines
Deal found 1/30$1,057
This KAYAK deal was found by Cheapflights users on 1/30. 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.
Thu 4/1612:49 pm
TUS
-
EZE
1 stop16h 56m
LATAM Airlines
Mon 4/278:10 pm
EZE
-
TUS
1 stop19h 29m
LATAM Airlines
Deal found 1/30$1,059
This United Airlines deal was found by Cheapflights users on 1/30. 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.
Mon 4/136:00 am
TUS
-
EZE
2 stops22h 00m
United Airlines
Thu 4/309:00 pm
EZE
-
TUS
1 stop28h 21m
United Airlines
Deal found 1/30$1,062
This LATAM Airlines deal was found by Cheapflights users on 1/30. 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 4/1312:49 pm
TUS
-
EZE
1 stop16h 56m
LATAM Airlines
Mon 4/278:10 pm
EZE
-
TUS
1 stop19h 29m
LATAM Airlines
Deal found 1/30$1,067
This United Airlines deal was found by Cheapflights users on 1/30. 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 4/121:29 pm
TUS
-
EZE
2 stops38h 31m
United Airlines
Mon 4/279:00 pm
EZE
-
TUS
2 stops19h 27m
United Airlines
Deal found 1/30$1,069
This United Airlines deal was found by Cheapflights users on 1/30. 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 4/121:29 pm
TUS
-
EZE
2 stops38h 31m
United Airlines
Wed 4/299:00 pm
EZE
-
TUS
2 stops39h 59m
United Airlines
Deal found 1/30$1,078
This United Airlines deal was found by Cheapflights users on 1/30. 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 4/126:00 am
TUS
-
EZE
2 stops46h 00m
United Airlines
Thu 4/309:00 pm
EZE
-
TUS
1 stop28h 21m
United Airlines
Deal found 1/30$1,080
This KAYAK deal was found by Cheapflights users on 1/30. 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.
Sun 4/123:24 pm
TUS
-
EZE
2 stops37h 11m
LATAM Airlines
Mon 4/278:10 pm
EZE
-
TUS
1 stop19h 29m
LATAM Airlines
Deal found 1/30$1,085
This SmartFares deal was found by Cheapflights users on 1/30. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/146:00 am
TUS
-
AEP
2 stops21h 40m
LATAM Airlines
Tue 4/283:45 pm
AEP
-
TUS
2 stops23h 54m
LATAM Airlines
Deal found 1/30$1,119
This LATAM Airlines deal was found by Cheapflights users on 1/30. 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 10/287:00 am
TUS
-
AEP
2 stops20h 40m
LATAM Airlines
Sun 11/18:05 pm
AEP
-
TUS
2 stops30h 51m
LATAM Airlines
Deal found 1/30$1,143

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 January 31, 2026.

Most accurate provider

Ovago
2 stars

Most trusted provider

Ovago
3 stars

Round-trip from

$1,023
(KAYAK)

One-way from

$664
(BusinessClass)

Popular in

December

Cheapest in

September

Average price

$1,434
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. 9% potential increase in price ($135 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($31 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2026
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 January 31, 2026.
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

Wed 4/15

7:15 am-8:00 am

2 stops20h 45m

Buenos Aires Ministro Pistarini

Tue 4/28

9:00 pm-10:57 am

1 stop17h 57m

$1,027

TucsonBuenos Aires

TUS - EZE

TUSEZE

Tucson

Thu 4/16

12:00 pm-8:00 am

1 stop16h 00m

Buenos Aires Ministro Pistarini

Tue 4/28

9:00 pm-10:57 am

1 stop17h 57m

$1,047

TucsonBuenos Aires

TUS - EZE

TUSEZE

Tucson

Mon 4/13

9:38 am-8:00 am

2 stops18h 22m

Buenos Aires Ministro Pistarini

Mon 4/27

9:00 pm-8:18 pm

2 stops27h 18m

$1,051

TucsonBuenos Aires

TUS - EZE

TUSEZE

Tucson

Wed 4/15

7:15 am-8:00 am

2 stops20h 45m

Buenos Aires Ministro Pistarini

Mon 4/27

9:00 pm-8:18 pm

2 stops27h 18m

$1,051

TucsonBuenos Aires

TUS - EZE

TUSEZE

Tucson

Tue 4/14

7:15 am-8:00 am

2 stops20h 45m

Buenos Aires Ministro Pistarini

Tue 4/28

9:00 pm-12:27 pm

2 stops19h 27m

$1,051

TucsonBuenos Aires

TUS - EZE

TUSEZE

Tucson

Mon 4/13

6:30 am-8:00 am

1 stop21h 30m

Buenos Aires Ministro Pistarini

Thu 4/30

9:00 pm-9:21 pm

1 stop28h 21m

$1,057

TucsonBuenos Aires

TUS - EZE

TUSEZE

Tucson

Mon 4/13

12:00 pm-8:00 am

1 stop16h 00m

Buenos Aires Ministro Pistarini

Wed 4/29

9:00 pm-9:21 pm

1 stop28h 21m

$1,057

TucsonBuenos Aires

TUS - EZE

TUSEZE

Tucson

Tue 4/14

12:00 pm-8:00 am

1 stop16h 00m

Buenos Aires Ministro Pistarini

Wed 4/29

9:00 pm-9:21 pm

1 stop28h 21m

$1,057

TucsonBuenos Aires

TUS - EZE

TUSEZE

Tucson

Thu 4/16

12:00 pm-8:00 am

1 stop16h 00m

Buenos Aires Ministro Pistarini

Wed 4/29

9:00 pm-9:21 pm

1 stop28h 21m

$1,057

TucsonBuenos Aires

TUS - AEP

TUSAEP

Tucson

Tue 4/14

6:00 am-7:40 am

2 stops21h 40m

Buenos Aires Jorge Newbery

Tue 4/28

3:45 pm-11:39 am

2 stops23h 54m

$1,119

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/31

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 January.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
OvagoPrice Accuracy2 starsTrust Score*3 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 Ovago to be most consistent on Cheapflights vs. Ovago Users can find the same prices on Tucson-Buenos Aires flight deals on Cheapflights vs. Ovago 90-95% 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 Ovago the most. Ovago 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 January 31, 2026.
Get a feel of what it's like to fly with United 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
9,219 reviews

Overall

7.4

Crew

8.1

Boarding

7.7

Food

6.6

Comfort

7.3

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family
United Airlines
7.4
Good
9,219 reviews
United Airlines
7.4
Good
9,219 reviews

Overall

7.4

Crew

8.1

Boarding

7.7

Food

6.6

Comfort

7.3

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family

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 1 airline.

  • 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 16h. The time it takes to get you to your destination can typically vary by up to 5h 40m. The distance from Tucson to Buenos Aires is about 5736 mi. This flight may include one or multiple stops.

  • What is the cheapest airline to fly from Tucson to Buenos Aires round-trip?

    American Airlines, at $1,133, was found to be the cheapest airline from Tucson to Buenos Aires.. Users have found that American Airlines is 12% 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

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Top airline flying from Tucson to Buenos Aires

Discover the top airline 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 January 31, 2026.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$1,133Average$1,412FlexibilityNo cancel feeOn-time71%

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