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$359+ Cheap flights from Phoenix 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 11/8. Fares are subject to change and may not be available on all flights or dates of travel.
PHX — BUE
oct. 19 — oct. 261
dom. 10/19
dom. 10/26
1 adult, Economy
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Cheap flight deals from Phoenix to Buenos Aires

Discover tips and strategies to find the most affordable flight options for your journey from Phoenix (PH1) 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 septiembre 19, 2025.

Round-trip from

$1,030
(Trip.com)

One-way from

$359
(Kiwi.com)

Popular in

August

Cheapest in

November

Average price

$1,449
From Phoenix to Buenos Aires (BUE)
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One-way flight from Phoenix to Buenos Aires (BUE)
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Highest demand for flights based on searches. 4% potential increase in price ($75 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($20 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Find flight deals from Phoenix to Buenos Aires

Cheapest flights from Phoenix to Buenos Aires
Explore the most affordable flight options available from Phoenix to Buenos Aires. Find the lowest fares from popular airlines and budget airlines, with prices last updated on septiembre 19, 2025.

This Copa Airlines deal was found by Cheapflights users on 9/17. 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.
sáb. 11/85:48 pmPHX - EZE
2 stops27h 05mCopa Airlines
vie. 11/2112:08 amEZE - PHX
2 stops26h 32mCopa Airlines
Deal found 9/17$1,054
This Copa Airlines deal was found by Cheapflights users on 9/18. 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 Copa Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 11/145:34 pmPHX - EZE
2 stops24h 57mCopa Airlines
dom. 11/233:57 amEZE - PHX
2 stops21h 47mCopa Airlines
Deal found 9/18$1,074
This Copa Airlines deal was found by Cheapflights users on 9/18. 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 Copa Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 10/257:46 pmPHX - EZE
2 stops25h 04mCopa Airlines
dom. 11/165:16 amEZE - PHX
2 stops21h 24mCopa Airlines
Deal found 9/18$1,083
This Mytrip deal was found by Cheapflights users on 9/17. 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.
vie. 10/3110:58 amPHX - EZE
3 stops23h 57mMultiple Airlines
vie. 11/72:40 amEZE - PHX
3 stops35h 22mMultiple Airlines
Deal found 9/17$1,086
This Copa Airlines deal was found by Cheapflights users on 9/19. 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 Copa Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 10/217:46 pmPHX - EZE
2 stops28h 33mCopa Airlines
sáb. 10/252:32 pmEZE - PHX
2 stops34h 12mCopa Airlines
Deal found 9/19$1,089
This Air Canada deal was found by Cheapflights users on 9/18. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 10/267:00 amPHX - EZE
2 stops28h 10mAir Canada
lun. 11/104:45 pmEZE - PHX
2 stops33h 45mAir Canada
Deal found 9/18$1,092
This Air Canada deal was found by Cheapflights users on 9/18. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 10/267:00 amPHX - EZE
2 stops28h 10mAir Canada
dom. 11/94:45 pmEZE - PHX
3 stops52h 52mAir Canada
Deal found 9/18$1,123
This Mytrip deal was found by Cheapflights users on 9/18. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 12/111:45 pmPHX - EZE
3 stops33h 40mMultiple Airlines
jue. 12/185:10 amEZE - PHX
3 stops46h 37mMultiple Airlines
Deal found 9/18$1,124
This Copa Airlines deal was found by Cheapflights users on 9/18. 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 Copa Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 11/154:32 pmPHX - EZE
2 stops25h 59mCopa Airlines
lun. 11/243:57 amEZE - PHX
2 stops21h 47mCopa Airlines
Deal found 9/18$1,139
This Mytrip deal was found by Cheapflights users on 9/18. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 11/163:57 pmPHX - AEP
3 stops35h 33mMultiple Airlines
mar. 11/255:10 pmAEP - PHX
3 stops34h 35mMultiple Airlines
Deal found 9/18$1,146
This Mytrip deal was found by Cheapflights users on 9/17. 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.
vie. 10/3110:58 amPHX - AEP
3 stops25h 02mMultiple Airlines
sáb. 11/87:00 amAEP - PHX
3 stops33h 09mMultiple Airlines
Deal found 9/17$1,151
This Mytrip deal was found by Cheapflights users on 9/18. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 11/311:58 amPHX - EZE
3 stops35h 47mMultiple Airlines
dom. 11/161:40 amEZE - PHX
3 stops34h 21mMultiple Airlines
Deal found 9/18$1,155

Cheapflights Fare Finder

 
Customize your flight search to find flights from Phoenix 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 septiembre 19, 2025.
Use the filters below to find and compare flights from Phoenix to Buenos Aires that are best for you.

Fly from

Phoenix

Fly to

Buenos Aires

Route

Depart

Return

Price

PhoenixBuenos Aires

PHX - EZE

PHXEZE

Phoenix Sky Harbor Intl

sáb. 11/8

5:48 pm-12:53 am

2 stops27h 05m

Buenos Aires Ministro Pistarini

vie. 11/21

12:08 am-10:40 pm

2 stops26h 32m

$1,054

PhoenixBuenos Aires

PHX - EZE

PHXEZE

Phoenix Sky Harbor Intl

vie. 11/14

5:34 pm-10:31 pm

2 stops24h 57m

Buenos Aires Ministro Pistarini

dom. 11/23

3:57 am-9:44 pm

2 stops21h 47m

$1,074

PhoenixBuenos Aires

PHX - EZE

PHXEZE

Phoenix Sky Harbor Intl

sáb. 10/25

7:46 pm-7:54 am

2 stops32h 08m

Buenos Aires Ministro Pistarini

dom. 11/16

5:16 am-10:40 pm

2 stops21h 24m

$1,083

PhoenixBuenos Aires

PHX - EZE

PHXEZE

Phoenix Sky Harbor Intl

sáb. 11/15

4:32 pm-10:31 pm

2 stops25h 59m

Buenos Aires Ministro Pistarini

lun. 11/24

3:57 am-9:44 pm

2 stops21h 47m

$1,139

PhoenixBuenos Aires

PHX - AEP

PHXAEP

Phoenix Sky Harbor Intl

dom. 11/16

3:57 pm-7:30 am

3 stops35h 33m

Buenos Aires Jorge Newbery

mar. 11/25

5:10 pm-11:45 pm

3 stops34h 35m

$1,146

PhoenixBuenos Aires

PHX - EZE

PHXEZE

Phoenix Sky Harbor Intl

mié. 3/4

7:05 am-6:05 am

2 stops19h 00m

Buenos Aires Ministro Pistarini

lun. 3/23

8:55 pm-12:40 pm

1 stop19h 45m

$1,155

PhoenixBuenos Aires

PHX - AEP

PHXAEP

Phoenix Sky Harbor Intl

mié. 3/4

2:15 pm-4:00 pm

2 stops21h 45m

Buenos Aires Jorge Newbery

lun. 3/23

5:15 pm-12:40 pm

2 stops23h 25m

$1,155

PhoenixBuenos Aires

PHX - AEP

PHXAEP

Phoenix Sky Harbor Intl

vie. 11/14

7:38 pm-5:40 am

3 stops30h 02m

Buenos Aires Jorge Newbery

mar. 11/25

5:10 pm-11:45 pm

3 stops34h 35m

$1,161

PhoenixBuenos Aires

PHX - EZE

PHXEZE

Phoenix Sky Harbor Intl

mar. 10/21

7:46 pm-10:08 pm

2 stops22h 22m

Buenos Aires Ministro Pistarini

sáb. 10/25

2:32 pm-8:44 pm

2 stops34h 12m

$1,170

PhoenixBuenos Aires

PHX - AEP

PHXAEP

Phoenix Sky Harbor Intl

jue. 12/11

1:45 pm-7:30 am

3 stops37h 45m

Buenos Aires Jorge Newbery

lun. 12/15

3:00 pm-5:37 pm

3 stops30h 37m

$1,179

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/18

Showing 1-10 of 28 results
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Best time to book a flight from Phoenix to Buenos Aires

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

What is the cheapest month to book a flight from Phoenix to Buenos Aires?

Currently, April is the cheapest month in which you can book a flight from Phoenix to Buenos Aires (average of $795). Flying from Phoenix 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 Phoenix 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 septiembre 19, 2025.

It’s optimal to fly from Phoenix 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 septiembre 19, 2025.
Read through reviews of airlines operating flights from Phoenix to Buenos Aires, such as Delta, United Airlines, and American Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,964 reviews

Crew

8.5

Food

7.3

Boarding

8.2

Overall

8.0

Comfort

7.9

Entertainment

7.9

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
7,964 reviews
Delta
8.0
Very good
7,964 reviews

Crew

8.5

Food

7.3

Boarding

8.2

Overall

8.0

Comfort

7.9

Entertainment

7.9

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
8,926 reviews
Delta
8.0
Very good
7,964 reviews

Crew

8.5

Food

7.3

Boarding

8.2

Overall

8.0

Comfort

7.9

Entertainment

7.9

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!
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,964 reviews

Crew

8.5

Food

7.3

Boarding

8.2

Overall

8.0

Comfort

7.9

Entertainment

7.9

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 Phoenix to Buenos Aires. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Phoenix to Buenos Aires?

    For as low as $1,155, Copa Airlines can have you in Buenos Aires from Phoenix in 21h 45m. The distance between Phoenix and Buenos Aires is about 5836 mi. This flight may include one or multiple stops.

  • What are the cheapest airlines flying from Phoenix to Buenos Aires round-trip?

    Cheapflights users have booked flights from Phoenix to Buenos Aires round-trip from $1,155. Other airlines that can offer you cheap pricing are American Airlines, from $1,193, and Delta, from $1,255. United Airlines is 22% cheaper than the average price of flights available within the next 90 days to this destination.

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

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

  • How can I find direct flights from Phoenix to Buenos Aires?

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

  • Can I find deals for business class flights from Phoenix to Buenos Aires?

    Yes. Cheapflights offers flight deals from Phoenix 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 to Buenos Aires?

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

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 3 airlines flying from Phoenix to Buenos Aires

Discover the top 3 airlines that operate flights from Phoenix 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 septiembre 19, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$1,155Average$1,600FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$1,193Average$1,689FlexibilityNo cancel feeOn-time71%
DeltaCheapest$1,255Average$1,815FlexibilityNo cancel feeOn-timeN/A

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