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$345+ Cheap flights from Sky Harbor Intl (PHX) 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 9/12. Fares are subject to change and may not be available on all flights or dates of travel.
PHX — BUE
Aug 4 — Aug 111
Mon 8/4
Mon 8/11
1 adult, Economy
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Cheapflights Tip: The best prices from Phoenix Sky Harbor Intl to Buenos Aires are usually found in August or November, booked 56 days in advance, depart on a Tuesday or Wednesday and return on a Wednesday

Cheap flight deals from Sky Harbor Intl to Buenos Aires

Discover tips and strategies to find the most affordable flight options for your journey from Sky Harbor Intl (PHX) 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 July 30, 2025.

Round-trip from

$977
(Mytrip)

One-way from

$345
(Kiwi.com)

Popular in

December

Cheapest in

August

Average price

$1,530
From Phoenix Sky Harbor Intl to Buenos Aires (BUE)
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One-way flight from Phoenix Sky Harbor Intl to Buenos Aires (BUE)
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Highest demand for flights based on searches. 0% potential increase in price ($13 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($19 potential savings vs. average RT price).
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Average for round-trip flights in July 2025
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Find flight deals from Sky Harbor Intl to Buenos Aires

Cheapest flights from Sky Harbor Intl to Buenos Aires
Explore the most affordable flight options available from Sky Harbor Intl to Buenos Aires. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 30, 2025.

This Mytrip deal was found by Cheapflights users on 7/29. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/99:32 amPHX - EZE
3 stops23h 28mMultiple Airlines
Wed 9/173:55 amEZE - PHX
3 stops35h 01mMultiple Airlines
Deal found 7/29$977
This Booking.com deal was found by Cheapflights users on 7/29. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/97:40 amPHX - EZE
2 stops26h 50mAir Canada
Thu 9/184:35 pmEZE - PHX
2 stops30h 44mAir Canada
Deal found 7/29$982
This Mytrip deal was found by Cheapflights users on 7/29. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/98:30 pmPHX - AEP
3 stops33h 10mMultiple Airlines
Thu 9/187:00 amAEP - PHX
3 stops31h 56mMultiple Airlines
Deal found 7/29$1,002
This Copa Airlines deal was found by Cheapflights users on 7/29. 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 Copa Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/94:10 pmPHX - EZE
2 stops28h 45mCopa Airlines
Wed 9/172:14 amEZE - PHX
2 stops23h 47mCopa Airlines
Deal found 7/29$1,038
This Delta deal was found by Cheapflights users on 7/30. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/2911:56 amPHX - EZE
1 stop15h 24mDelta
Mon 3/306:15 amEZE - PHX
2 stops41h 33mDelta
Deal found 7/30$1,155
This KAYAK deal was found by Cheapflights users on 7/28. 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 8/194:10 pmPHX - AEP
2 stops19h 55mLATAM Airlines
Thu 8/2112:55 pmAEP - PHX
2 stops25h 30mLATAM Airlines
Deal found 7/28$1,241
This Gurufare deal was found by Cheapflights users on 7/30. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/317:20 amPHX - EZE
2 stops18h 50mLATAM Airlines
Sun 3/293:55 amEZE - PHX
2 stops23h 21mLATAM Airlines
Deal found 7/30$1,247
This United Airlines deal was found by Cheapflights users on 7/30. 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 12/2911:30 amPHX - EZE
1 stop15h 50mUnited Airlines
Wed 4/19:00 pmEZE - PHX
1 stop15h 16mUnited Airlines
Deal found 7/30$1,255
This Gurufare deal was found by Cheapflights users on 7/29. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/109:02 amPHX - AEP
2 stops23h 58mGOL
Sat 9/133:40 amAEP - PHX
2 stops22h 18mGOL
Deal found 7/29$1,672

Cheapflights Fare Finder

 
Customize your flight search to find flights from Sky Harbor Intl 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 July 30, 2025.
Use the filters below to find and compare flights from Phoenix Sky Harbor Intl Airport to Buenos Aires that are best for you.

Fly from

Sky Harbor Intl

Fly to

Buenos Aires

Route

Depart

Return

Price

PhoenixBuenos Aires

PHX - EZE

PHXEZE

Phoenix Sky Harbor Intl

Tue 9/9

9:32 am-1:00 pm

3 stops23h 28m

Buenos Aires Ministro Pistarini

Thu 9/18

7:40 am-10:56 am

3 stops31h 16m

$977

PhoenixBuenos Aires

PHX - EZE

PHXEZE

Phoenix Sky Harbor Intl

Tue 9/9

7:40 am-2:30 pm

2 stops26h 50m

Buenos Aires Ministro Pistarini

Thu 9/18

4:35 pm-7:19 pm

2 stops30h 44m

$982

PhoenixBuenos Aires

PHX - AEP

PHXAEP

Phoenix Sky Harbor Intl

Tue 9/9

8:30 pm-9:40 am

3 stops33h 10m

Buenos Aires Jorge Newbery

Thu 9/18

7:00 am-10:56 am

3 stops31h 56m

$1,002

PhoenixBuenos Aires

PHX - EZE

PHXEZE

Phoenix Sky Harbor Intl

Tue 9/9

4:10 pm-12:55 am

2 stops28h 45m

Buenos Aires Ministro Pistarini

Wed 9/17

2:14 am-10:01 pm

2 stops23h 47m

$1,038

PhoenixBuenos Aires

PHX - AEP

PHXAEP

Phoenix Sky Harbor Intl

Tue 8/19

4:10 pm-4:05 pm

2 stops19h 55m

Buenos Aires Jorge Newbery

Thu 8/21

12:55 pm-10:25 am

2 stops25h 30m

$1,241

PhoenixBuenos Aires

PHX - AEP

PHXAEP

Phoenix Sky Harbor Intl

Wed 9/10

9:02 am-1:00 pm

2 stops23h 58m

Buenos Aires Jorge Newbery

Sat 9/13

3:40 am-9:58 pm

2 stops22h 18m

$1,672

PhoenixBuenos Aires

PHX - EZE

PHXEZE

Phoenix Sky Harbor Intl

Fri 9/12

5:49 pm-10:08 pm

2 stops24h 19m

$345

PhoenixBuenos Aires

PHX - AEP

PHXAEP

Phoenix Sky Harbor Intl

Fri 9/12

12:14 pm-4:40 am

2 stops36h 26m

$424

PhoenixBuenos Aires

PHX - EZE

PHXEZE

Phoenix Sky Harbor Intl

Tue 8/12

7:40 am-2:30 pm

2 stops26h 50m

$539

PhoenixBuenos Aires

PHX - EZE

PHXEZE

Phoenix Sky Harbor Intl

Tue 8/12

7:37 pm-12:55 am

2 stops25h 18m

$540

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/29

Showing 1-10 of 14 results
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Best time to book a flight from Sky Harbor Intl to Buenos Aires

Have a flexible travel schedule? Discover the best time to fly to Buenos Aires from Sky Harbor Intl 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 Phoenix Sky Harbor Intl Airport to Buenos Aires

How far ahead should I book a flight from Phoenix Sky Harbor Intl Airport to Buenos Aires?

Use this chart to determine the optimal time to book a round-trip flight from Sky Harbor Intl to Buenos Aires. Price data was last updated on July 25, 2025.

The price you pay for your flight from Phoenix Sky Harbor Intl Airport to Buenos Aires may vary depending on when you book. For the best chance of a lower fare, look to book 56 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

What is the cheapest month to book a flight from Phoenix Sky Harbor Intl Airport to Buenos Aires?

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

What is the cheapest time of day to fly from PHX to BUE?

Find hourly flight availability from Sky Harbor Intl to Buenos Aires. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated July 30, 2025.

It’s optimal to fly from Phoenix Sky Harbor Intl Airport to Buenos Aires in the morning. By choosing this option you can save up to 16% on the cost of your flight, compared to a flight at noon.

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 July 30, 2025.
Peruse reviews from past customers who have flown with Delta, LATAM Airlines, and Copa Airlines from Phoenix Sky Harbor Intl Airport to Buenos Aires to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,980 reviews

Comfort

7.9

Overall

8.0

Food

7.3

Entertainment

7.9

Boarding

8.2

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,980 reviews
Delta
8.0
Very good
7,980 reviews

Comfort

7.9

Overall

8.0

Food

7.3

Entertainment

7.9

Boarding

8.2

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
LATAM Airlines
7.5
Good
1,822 reviews
Delta
8.0
Very good
7,980 reviews

Comfort

7.9

Overall

8.0

Food

7.3

Entertainment

7.9

Boarding

8.2

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Copa Airlines
7.5
Good
1,493 reviews
Delta
8.0
Very good
7,980 reviews

Comfort

7.9

Overall

8.0

Food

7.3

Entertainment

7.9

Boarding

8.2

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
United Airlines
7.4
Good
8,896 reviews
Delta
8.0
Very good
7,980 reviews

Comfort

7.9

Overall

8.0

Food

7.3

Entertainment

7.9

Boarding

8.2

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
GOL
7.3
Good
1,091 reviews
Delta
8.0
Very good
7,980 reviews

Comfort

7.9

Overall

8.0

Food

7.3

Entertainment

7.9

Boarding

8.2

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Related info for your journey

Find useful and relevant information for your journey from Sky Harbor Intl 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 are the cheapest airlines flying from Phoenix Sky Harbor Intl Airport to Buenos Aires round-trip?

    Cheapflights users have booked flights from Phoenix Sky Harbor Intl Airport to Buenos Aires round-trip from $982. Other airlines that can offer you cheap pricing are Copa Airlines, from $1,038, and LATAM Airlines, from $1,241. Air Canada is 31% cheaper than the average price of flights available within the next 90 days to this destination.

  • What are the cheapest airlines to fly from Phoenix Sky Harbor Intl Airport to Buenos Aires one-way?

    To fly one-way, consider booking your trip with Air Canada, which is currently one of the cheapest options available, starting at $539. Copa Airlines flights start at $540 while deals on United Airlines start at $888 one-way.

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

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

  • How can I find direct flights from Sky Harbor Intl to Buenos Aires?

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

  • Can I find deals for business class flights from Sky Harbor Intl to Buenos Aires?

    Yes. Cheapflights offers flight deals from Sky Harbor Intl 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 Phoenix Sky Harbor Intl Airport to Buenos Aires?

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

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Alternative routes for Sky Harbor Intl to Buenos Aires

See prices for flight routes from nearby airports that may be better suited for you.
Sky Harbor Intl to Ministro Pistarini flights
Sky Harbor Intl to Rosario flights
Sky Harbor Intl to Cordoba flights

Top 3 airlines flying from Sky Harbor Intl to Buenos Aires

Discover the top 3 airlines that operate flights from Sky Harbor Intl 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 July 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$967Average$1,525FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$1,034Average$1,521FlexibilityNo cancel feeOn-time69%
DeltaCheapest$1,255Average$1,715FlexibilityNo cancel feeOn-timeN/A

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