Cheap flights from Buenos Aires to Illinois from $454
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Buenos Aires to Illinois departing on 9/7. 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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How to get the cheapest flight ticket from Buenos Aires to Illinois
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 cheapest month to fly to Illinois?
The cheapest month to fly to Illinois from Buenos Aires is in October. Flight prices, which tend to average around $1,124, are often lower during this time because this is during the off-season. If you aren’t able to travel to Illinois during the month of October, then flying in June is also cheap. Prices for this month can be found on momondo for an average of $1,161.
What is the cheapest day to depart on your flight to Illinois?
The cheapest day to depart from Buenos Aires to Illinois is on a Wednesday when prices can be found for as low as $1,152. Flights from Buenos Aires to Illinois on a Sunday will generally be more expensive and average around $1,449. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.
What is the cheapest time of day to depart on your flight to Illinois?
Our most recent data shows that the best time of day to fly to Illinois is in the morning. Flights from Buenos Aires to Illinois during this time can be as low as $1,178. Flights in the afternoon are often more expensive with an average ticket price of $1,471.
Can stopping save me money on Buenos Aires to Illinois flights?
You could potentially save up to 2% on your flight if you consider stops on a Buenos Aires to Illinois flight.
What is the cheapest airline that flies from Buenos Aires to Illinois?
Avianca, Air Canada, and American Airlines are the most popular carriers operating from Buenos Aires to Illinois
What airlines fly to Illinois?
American Airlines, United Airlines and Avianca are the top three most popular airlines that fly to Illinois from Buenos Aires according to our data. American Airlines is the first choice among our users, with 42% of people opting to fly with this airline when traveling to Illinois. Keep in mind that there are 5 different airlines that fly to Illinois on a routine basis, so you have a few additional options to choose from.
Cheap Buenos Aires to Illinois flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Buenos Aires to Illinois
When did momondo last update prices for flights from Buenos Aires to Illinois?
Prices for flights from Buenos Aires to Illinois are updated daily.
How many operators does momondo search for flights from Buenos Aires to Illinois?
There are 5 operators available for flights from Buenos Aires to Illinois as of June 2025.
How old do you have to be to fly from Buenos Aires to Illinois?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Buenos Aires to Illinois.
What documentation or ID do you need to fly to Illinois?
The travel and health documents required for your trip to Illinois can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Illinois. We always recommend checking with your airline or a trusted third party such as IATA to get advice.
Best airlines flying from Buenos Aires to Illinois
Compare and see reviews for airlines that fly from Buenos Aires to Illinois with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $882 | Free Cancellation | Rating 6.7 2,346 reviews | |||
| PriceFrom $928 | Free Cancellation | Rating 7.2 10,000 reviews | |||
| PriceFrom $969 | Free Cancellation | Rating 8.0 7,963 reviews | |||
| PriceFrom $1,018 | Free Cancellation | Rating 7.5 1,452 reviews | |||
| PriceFrom $1,084 | Free Cancellation | Rating 7.4 8,801 reviews |
Why use momondo?
Why should I use momondo to find a flight deal from Buenos Aires to Illinois?
momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Buenos Aires to Illinois. Millions of users trust and use momondo every year so you are in good hands.
Can I find flights from Buenos Aires to Illinois with flexible booking policies on momondo?
Flights from Buenos Aires to Illinois with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.
How can momondo help me find flights from Buenos Aires to Illinois?
Once you have performed a search for Buenos Aires to Illinois 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 Buenos Aires to Illinois right now. Can momondo alert me if prices change?
Of course. momondo tracks the price of Buenos Aires to Illinois flights. All you need is a valid email address and we will do the rest; it is that quick and easy.