Cheap flights from Chicago O'Hare Intl Airport to Buenos Aires from $324
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Chicago O'Hare Intl Airport to Buenos Aires departing on 11/18. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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LATAM Airlines flights from Chicago O'Hare Intl Airport to Buenos Aires Ministro Pistarini Airport
Our best LATAM Airlines deals on Chicago O'Hare Intl Airport to Buenos Aires Ministro Pistarini Airport flight tickets
Avianca flights from Chicago O'Hare Intl Airport to Buenos Aires Ministro Pistarini Airport
Our best Avianca deals on Chicago O'Hare Intl Airport to Buenos Aires Ministro Pistarini Airport flight tickets
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How to get the cheapest flight ticket from Chicago O'Hare Intl Airport to Buenos Aires Ministro Pistarini Airport
Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip
What is the typical price of a round-trip flight between Chicago O'Hare Intl Airport and Buenos Aires Ministro Pistarini Airport?
What is the cheapest month to fly to Buenos Aires Ministro Pistarini Airport?
If you aren’t able to travel during the month of September, then book flights to Buenos Aires Ministro Pistarini Airport from Chicago O'Hare Intl Airport during April instead. Flights to Buenos Aires Ministro Pistarini Airport in April, while not as cheap as those in September, still average around $1,077.
What is the cheapest day to depart on your flight to Buenos Aires Ministro Pistarini Airport?
Our data shows that Sunday is the least expensive day to fly to Buenos Aires Ministro Pistarini Airport. Tickets to fly out on this day can be as low as $1,157. Be sure to avoid booking your departure on a Thursday as prices are generally higher than usual. According to our data, the average ticket price to Buenos Aires Ministro Pistarini Airport on Thursday is $1,291.
What is the cheapest time of day to depart on your flight to Buenos Aires Ministro Pistarini Airport?
According to our data, the cheapest time of day to fly to Buenos Aires Ministro Pistarini Airport is in the evening. momondo users have found flights departing from Chicago O'Hare Intl Airport to Buenos Aires Ministro Pistarini Airport in the evening for as low as $1,098. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. If you have a flexible travel schedule, then try to avoid flying at noon when prices are $1,249 on average. Flights to Buenos Aires Ministro Pistarini Airport from Chicago O'Hare Intl Airport at noon are generally more expensive because this time of day is more convenient for travelers’ schedules.
How far in advance should I book a flight to Buenos Aires Ministro Pistarini Airport?
You are more likely to see cheaper flights to Buenos Aires Ministro Pistarini Airport from Chicago O'Hare Intl Airport when booking 24 weeks ahead of your departure date. In general, you can expect to find flights to Buenos Aires Ministro Pistarini Airport for around $1,204 when searching 24 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Buenos Aires Ministro Pistarini Airport from Chicago O'Hare Intl Airport for as low as $820 on momondo.
What is the cheapest airline that flies from Chicago O'Hare Intl to Buenos Aires Ministro Pistarini?
Arajet, Avianca, and Air Canada are the most popular carriers operating from Chicago O'Hare Intl to Buenos Aires Ministro Pistarini
What airlines fly to Buenos Aires Ministro Pistarini Airport?
United Airlines, American Airlines and Avianca are the top three most popular airlines that fly to Buenos Aires Ministro Pistarini Airport from Chicago O'Hare Intl Airport according to our data. United Airlines is the first choice among our users, with 36% of people opting to fly with this airline when traveling to Buenos Aires Ministro Pistarini Airport. Keep in mind that there are 5 different airlines that fly to Buenos Aires Ministro Pistarini Airport on a routine basis, so you have a few additional options to choose from.
When to book flights from Chicago O'Hare Intl Airport to Buenos Aires Ministro Pistarini Airport
Cheap Chicago O'Hare Intl Airport to Buenos Aires Ministro Pistarini Airport (ORD to EZE) flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Chicago O'Hare Intl Airport to Buenos Aires Ministro Pistarini Airport
How far is Chicago O'Hare Intl to Buenos Aires Ministro Pistarini by plane?
Buenos Aires Ministro Pistarini is 5618.9 mi away from Chicago O'Hare Intl. Typically, this will take 13h 10m by plane in normal conditions.
When did momondo last update prices for flights from Chicago O'Hare Intl Airport to Buenos Aires Ministro Pistarini Airport?
Prices for flights from Chicago O'Hare Intl Airport to Buenos Aires Ministro Pistarini Airport are refreshed on a daily basis.
How many operators does momondo search for flights from Chicago O'Hare Intl Airport to Buenos Aires Ministro Pistarini Airport?
The number of operators available for flights from Chicago O'Hare Intl Airport to Buenos Aires Ministro Pistarini Airport is 5 as of June 2025.
How old do you have to be to fly from Chicago O'Hare Intl Airport to Buenos Aires Ministro Pistarini Airport?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Chicago O'Hare Intl Airport to Buenos Aires Ministro Pistarini Airport.
What documentation or ID do you need to fly to Buenos Aires Ministro Pistarini Airport?
The required travel and health documents for your Buenos Aires Ministro Pistarini Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Buenos Aires Ministro Pistarini Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.
What is the most popular airline from Chicago O'Hare Intl Airport to Buenos Aires Ministro Pistarini Airport?
Based on momondo bookings for flights between Chicago O'Hare Intl Airport and Buenos Aires Ministro Pistarini Airport, the leading airline is United Airlines, making up 31% of the total bookings. Other popular airlines include American Airlines with 29%, Avianca with 15%, and Delta with 13%.
Best airlines flying from Chicago O'Hare Intl Airport to Buenos Aires Ministro Pistarini Airport
Compare and see reviews for airlines that fly from Chicago O'Hare Intl Airport to Buenos Aires Ministro Pistarini Airport with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $722 | Free Cancellation | Rating 7.5 1,451 reviews | |||
| PriceFrom $750 | Free Cancellation | Rating 6.7 2,345 reviews | |||
| PriceFrom $1,023 | Free Cancellation | Rating 8.0 7,950 reviews | |||
| PriceFrom $1,023 | Free Cancellation | Rating 7.2 10,000 reviews | |||
| PriceFrom $1,093 | Free Cancellation | Rating 7.4 8,790 reviews |
Why use momondo?
Why should I use momondo to find a flight deal from Chicago to Buenos Aires?
Finding the right flight to Buenos Aires from Chicago is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Buenos Aires quick and easy, saving you time and money.
Can I find flights from Chicago to Buenos Aires with flexible booking policies on momondo?
Yes. All flights to Buenos Aires from Chicago on momondo can be compared and filtered by various policies on offer, including flexible booking.
How can momondo help me find flights from Chicago to Buenos Aires?
Once you have performed a search for Chicago to Buenos Aires flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.
I’m not ready to book a flight from Chicago to Buenos Aires right now. Can momondo alert me if prices change?
If you are not ready to book a flight from Chicago to Buenos Aires now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Buenos Aires and let you know when they change.