$723 Cheap Flights from Peoria (PIA) to Buenos Aires (EZE)

View $723 flight on Thu, Dec 25, 2025Opens in a new window

Popular airlines from Peoria, IL (PIA-Greater Peoria Regional) to Ministro Pistarini Intl. Airport (EZE)

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Find available prices by choosing your travel dates.

Cheap Flights from Peoria to Buenos Aires (PIA-EZE)

Prices were available within the past 7 days and start at $723 for one-way flights and $1,030 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Mon, Jun 16 - Mon, Jun 30
PIA
Peoria
EZE
Buenos Aires
$1,030 Roundtrip, found 6 hours ago
$1,030
Roundtrip
found 6 hours ago
Select United flight, departing Mon, Jun 16 from Peoria to Buenos Aires, returning Mon, Jun 30, priced at $1,030 found 6 hours ago
United
Sun, Jun 22 - Mon, Jul 7
PIA
Peoria
EZE
Buenos Aires
$1,046 Roundtrip, found 6 hours ago
$1,046
Roundtrip
found 6 hours ago
Select United flight, departing Sun, Jun 22 from Peoria to Buenos Aires, returning Mon, Jul 7, priced at $1,046 found 6 hours ago
United
Sun, Jun 22 - Thu, Jul 10
PIA
Peoria
EZE
Buenos Aires
$1,062 Roundtrip, found 6 hours ago
$1,062
Roundtrip
found 6 hours ago
Select United flight, departing Sun, Jun 22 from Peoria to Buenos Aires, returning Thu, Jul 10, priced at $1,062 found 6 hours ago
United
Mon, Jun 16 - Fri, Jun 27
PIA
Peoria
EZE
Buenos Aires
$1,070 Roundtrip, found 6 hours ago
$1,070
Roundtrip
found 6 hours ago
Select United flight, departing Mon, Jun 16 from Peoria to Buenos Aires, returning Fri, Jun 27, priced at $1,070 found 6 hours ago
United
Sun, Jun 22 - Sun, Jul 6
PIA
Peoria
EZE
Buenos Aires
$1,086 Roundtrip, found 6 hours ago
$1,086
Roundtrip
found 6 hours ago
Select United flight, departing Sun, Jun 22 from Peoria to Buenos Aires, returning Sun, Jul 6, priced at $1,086 found 6 hours ago
United
Mon, Jun 16 - Sat, Jun 28
PIA
Peoria
EZE
Buenos Aires
$1,086 Roundtrip, found 6 hours ago
$1,086
Roundtrip
found 6 hours ago
Select United flight, departing Mon, Jun 16 from Peoria to Buenos Aires, returning Sat, Jun 28, priced at $1,086 found 6 hours ago
United
Fri, Jun 20 - Thu, Jul 10
PIA
Peoria
EZE
Buenos Aires
$1,102 Roundtrip, found 6 hours ago
$1,102
Roundtrip
found 6 hours ago
Select United flight, departing Fri, Jun 20 from Peoria to Buenos Aires, returning Thu, Jul 10, priced at $1,102 found 6 hours ago
United
Thu, Jun 5 - Wed, Jun 25
PIA
Peoria
EZE
Buenos Aires
$1,105 Roundtrip, found 6 hours ago
$1,105
Roundtrip
found 6 hours ago
Select United flight, departing Thu, Jun 5 from Peoria to Buenos Aires, returning Wed, Jun 25, priced at $1,105 found 6 hours ago
American Airlines
Tue, Jun 10 - Tue, Jun 17
PIA
Peoria
EZE
Buenos Aires
$1,180 Roundtrip, found 9 hours ago
$1,180
Roundtrip
found 9 hours ago
Select American Airlines flight, departing Tue, Jun 10 from Peoria to Buenos Aires, returning Tue, Jun 17, priced at $1,180 found 9 hours ago
Copa
Tue, Jun 10 - Tue, Jun 17
PIA
Peoria
EZE
Buenos Aires
$1,442 Roundtrip, found 9 hours ago
$1,442
Roundtrip
found 9 hours ago
Select Copa flight, departing Tue, Jun 10 from Peoria to Buenos Aires, returning Tue, Jun 17, priced at $1,442 found 9 hours ago
Flights from Peoria (PIA) to Buenos Aires (EZE)
Origin airport
Greater Peoria Regional
Destination airport
Ministro Pistarini Intl.
Airlines serving
American Airlines, Copa, United
Roundtrip price
$1,029
Distance
5578 mi

Peoria to Buenos Aires Flights

The cheapest times to fly from Peoria to Buenos Aires

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Peoria to Buenos Aires are during the month of June. You can find some of the cheapest flights from Peoria to Buenos Aires with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Peoria to Buenos Aires

Sunday is one of the best days to book for cheap flights from Peoria to Buenos Aires: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Peoria to Buenos Aires

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Peoria to Buenos Aires in 2025. You can also book with separate airlines for your outbound and return journeys, from $723 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Peoria to Buenos Aires flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Peoria to Buenos Aires airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Frequently asked questions

How much does a flight from Greater Peoria Regional Airport (PIA) to Ministro Pistarini Intl. Airport (EZE) cost?
Discover the latest flight deals from PIA to EZE by entering your preferred travel dates and searching on Expedia. Easily compare prices by departure date if you have flexibility with your schedule and use handy filters to explore prices for your preferred journey. As a member of One Key™, our free loyalty program, you can use Price Tracking to watch fares and receive notifications if prices go up or down.
What is the cheapest month to fly from PIA to EZE?
The cheapest flights from PIA to EZE are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
What is the cheapest airline that flies from PIA to EZE?
Use the filter tool on Expedia to compare airlines and find the cheapest carrier that’ll take you from PIA to EZE. Sort your results by “Price (lowest to highest)” to snap up a great deal.
How many flights per day from Greater Peoria Regional Airport (PIA) to Ministro Pistarini Intl. Airport (EZE)?
There aren’t any daily direct flights departing from Greater Peoria Regional Airport (PIA) to Ministro Pistarini Intl. Airport (EZE). But you can opt for flights with layovers. Filter your search results on Expedia to include one or two stops, and you’ll be cruising above the clouds before you know it.
What day of the week has the most flights from PIA to EZE?
Usually you’ll find the widest variety of flight choices on a Friday. Tuesdays tend to be the quietest.* However, this can vary based on the season, carrier and other factors.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Greater Peoria Regional Airport (PIA) to Ministro Pistarini Intl. Airport (EZE)?
Opt for a flight from Greater Peoria Regional Airport (PIA) to Ministro Pistarini Intl. Airport (EZE) that leaves before 3 PM to reduce the risk of cancellations. Departures after this time are on average 22% more likely to be canceled.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG’s global flight data platform.
Is it cheaper to buy a plane ticket from Greater Peoria Regional Airport (PIA) to Ministro Pistarini Intl. Airport (EZE) last-minute?
Waiting until just before your departure to book a flight from PIA to EZE often results in higher prices. While it’s possible to find some last-minute offers, they aren’t always guaranteed. Keep your travel plans flexible for the best chance of scoring a bargain.
Is it cheaper to book a PIA to EZE flight and hotel package?
Opting for a PIA to EZE flight and hotel package tends to be cheaper than booking separately. With Expedia, you can enjoy the convenience of organizing your travels in one place. Pick from our wide range of accommodations and then add car rentals, activities and flights to your booking. Bundle it all together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Greater Peoria Regional Airport (PIA) to Ministro Pistarini Intl. Airport (EZE)?
If you reserved your PIA to EZE flight in the last 24 hours, you may be able to cancel or modify it without fees. Depending on the airline and the fare type you purchased, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, go to our Customer Service portal if you want more information.

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*Available to One Key members.