HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Buenos Aires

$621+ 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 14 — Mar 211
Sat 3/14
Sat 3/21
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Tucson to Buenos Aires with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

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 February 12, 2026.

This United Airlines deal was found by Cheapflights users on 2/12. 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 Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/812:00 pm
TUS
-
EZE
1 stop16h 00m
United Airlines
Thu 4/169:00 pm
EZE
-
TUS
2 stops27h 18m
United Airlines
Deal found 2/12$1,038
This KAYAK deal was found by Cheapflights users on 2/11. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/38:00 am
TUS
-
EZE
2 stops21h 40m
LATAM Airlines
Tue 11/103:55 am
EZE
-
TUS
2 stops23h 01m
LATAM Airlines
Deal found 2/11$1,043
This LATAM Airlines deal was found by Cheapflights users on 2/12. 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.
Wed 4/812:40 pm
TUS
-
AEP
2 stops25h 50m
LATAM Airlines
Wed 4/158:05 pm
AEP
-
TUS
2 stops29h 26m
LATAM Airlines
Deal found 2/12$1,047
This United Airlines deal was found by Cheapflights users on 2/9. 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.
Tue 11/311:50 am
TUS
-
EZE
1 stop17h 30m
United Airlines
Wed 11/1110:05 pm
EZE
-
TUS
1 stop17h 23m
United Airlines
Deal found 2/9$1,047
This United Airlines deal was found by Cheapflights users on 2/12. 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 Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/86:00 am
TUS
-
EZE
2 stops22h 00m
United Airlines
Fri 4/179:00 pm
EZE
-
TUS
2 stops27h 18m
United Airlines
Deal found 2/12$1,078
This LATAM Airlines deal was found by Cheapflights users on 2/12. 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.
Wed 4/83:24 pm
TUS
-
AEP
2 stops23h 06m
LATAM Airlines
Thu 4/165:05 pm
AEP
-
TUS
2 stops22h 34m
LATAM Airlines
Deal found 2/12$1,087
This KAYAK deal was found by Cheapflights users on 2/12. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/101:40 pm
TUS
-
AEP
2 stops24h 50m
LATAM Airlines
Mon 12/288:05 pm
AEP
-
TUS
2 stops30h 51m
LATAM Airlines
Deal found 2/12$1,089
This KAYAK deal was found by Cheapflights users on 2/9. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/101:40 pm
TUS
-
EZE
2 stops21h 05m
LATAM Airlines
Mon 12/287:45 am
EZE
-
TUS
2 stops19h 11m
LATAM Airlines
Deal found 2/9$1,089
This Delta deal was found by Cheapflights users on 2/12. 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.
Wed 4/86:25 am
TUS
-
EZE
2 stops22h 10m
Delta
Sat 4/181:20 pm
EZE
-
TUS
2 stops31h 36m
Delta
Deal found 2/12$1,091
This United Airlines deal was found by Cheapflights users on 2/12. 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 Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/106:30 am
TUS
-
EZE
1 stop21h 30m
United Airlines
Fri 4/179:00 pm
EZE
-
TUS
2 stops22h 44m
United Airlines
Deal found 2/12$1,118
This United Airlines deal was found by Cheapflights users on 2/12. 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 Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/87:15 am
TUS
-
EZE
2 stops20h 45m
United Airlines
Sun 4/199:00 pm
EZE
-
TUS
2 stops24h 14m
United Airlines
Deal found 2/12$1,126
This United Airlines deal was found by Cheapflights users on 2/12. 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 Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/99:38 am
TUS
-
EZE
2 stops18h 22m
United Airlines
Wed 4/159:00 pm
EZE
-
TUS
1 stop28h 22m
United Airlines
Deal found 2/12$1,134

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 February 12, 2026.

Most accurate provider

Ovago
2 stars

Most trusted provider

Ovago
3 stars

Round-trip from

$1,047
(United Airlines)

One-way from

$623
(BusinessClass)

Popular in

December

Cheapest in

September
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. 8% potential increase in price ($125 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($30 potential savings vs. average RT price).
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 February 12, 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

Thu 4/9

7:15 am-8:00 am

2 stops20h 45m

Buenos Aires Ministro Pistarini

Thu 4/16

9:00 pm-8:18 pm

2 stops27h 18m

$1,038

TucsonBuenos Aires

TUS - EZE

TUSEZE

Tucson

Wed 4/8

6:25 am-8:35 am

2 stops22h 10m

Buenos Aires Ministro Pistarini

Wed 4/15

1:20 pm-11:39 am

2 stops26h 19m

$1,038

TucsonBuenos Aires

TUS - EZE

TUSEZE

Tucson

Wed 4/8

12:00 pm-8:00 am

1 stop16h 00m

Buenos Aires Ministro Pistarini

Thu 4/16

9:00 pm-9:22 pm

1 stop28h 22m

$1,038

TucsonBuenos Aires

TUS - EZE

TUSEZE

Tucson

Wed 4/8

12:00 pm-8:00 am

1 stop16h 00m

Buenos Aires Ministro Pistarini

Wed 4/15

9:00 pm-9:22 pm

1 stop28h 22m

$1,038

TucsonBuenos Aires

TUS - AEP

TUSAEP

Tucson

Wed 4/8

12:40 pm-6:30 pm

2 stops25h 50m

Buenos Aires Jorge Newbery

Wed 4/15

8:05 pm-9:31 pm

2 stops29h 26m

$1,047

TucsonBuenos Aires

TUS - EZE

TUSEZE

Tucson

Thu 4/9

7:15 am-8:00 am

2 stops20h 45m

Buenos Aires Ministro Pistarini

Fri 4/17

9:00 pm-8:18 pm

2 stops27h 18m

$1,078

TucsonBuenos Aires

TUS - EZE

TUSEZE

Tucson

Wed 4/8

6:00 am-8:00 am

2 stops22h 00m

Buenos Aires Ministro Pistarini

Fri 4/17

9:00 pm-8:18 pm

2 stops27h 18m

$1,078

TucsonBuenos Aires

TUS - EZE

TUSEZE

Tucson

Wed 4/8

12:00 pm-8:00 am

1 stop16h 00m

Buenos Aires Ministro Pistarini

Sun 4/19

9:00 pm-9:22 pm

1 stop28h 22m

$1,078

TucsonBuenos Aires

TUS - EZE

TUSEZE

Tucson

Thu 4/9

6:30 am-8:00 am

1 stop21h 30m

Buenos Aires Ministro Pistarini

Sun 4/19

9:00 pm-9:22 pm

1 stop28h 22m

$1,078

TucsonBuenos Aires

TUS - AEP

TUSAEP

Tucson

Thu 4/9

6:25 am-5:00 pm

2 stops30h 35m

Buenos Aires Jorge Newbery

Thu 4/16

5:05 pm-11:39 am

2 stops22h 34m

$1,087

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/12

Showing 1-10 of 18 results
1
2

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 February.
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 February 12, 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
9,283 reviews

Crew

8.1

Comfort

7.3

Overall

7.4

Entertainment

7.1

Food

6.6

Boarding

7.7

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
9,283 reviews
United Airlines
7.4
Good
9,283 reviews

Crew

8.1

Comfort

7.3

Overall

7.4

Entertainment

7.1

Food

6.6

Boarding

7.7

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 15h 25m. The time it takes to get you to your destination can typically vary by up to 23h 26m. 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 13% 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 February 12, 2026.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$1,133Average$1,412FlexibilityNo cancel feeOn-time71%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.