Beginning of main content
Trip Type
Flight 1
Flight 2
Flight 3
Flight 4
Flight 5

Search over 321,000 hotels worldwide and 400 airlines worldwide.

Secure incredible value with Expedia's Price Guarantee.

No Expedia cancellation fee to change or cancel almost any hotel reservation.

Cheap STL to EZE Flights

Prices found within past 7 days. Prices and availability subject to change. Additional terms may apply.

Buenos Aires

$1,304.52

Cheap STL to EZE Flights

Question : Looking for the cheapest flight over the next 30 days?
Answer : Feb 13th has seen bookings (as of Jan 15th) as cheap as $1,485. That comes in 39% below the average price for this route. Saving on flight costs means you'll have more cash in your hand for the trip.

Question : Is price more important than specific travel days for you?
Answer : The lowest-cost day to fly in January is Saturday. Flexibility is paramount when booking travel plans in order to keep travel costs down.

Question : Which airline is giving the best deals for round-trip flights from Lambert-St. Louis International Airport (STL) to Ministro Pistarini Airport (EZE)?
Answer : Flight prices are hitting highs of $6,386 over the next three months when flying to EZE from STL. Check out United Airlines, as they have been booking customers at just $1,124.

Question : When flying into Buenos Aires, is Ministro Pistarini Airport your cheapest option?
Answer : Flying into EZE is not the only way to get to Buenos Aires. Try searching for flights to Jorge Newbery Airport (AEP) as well. Over the next two months, flights from STL to AEP are 23% cheaper than flights from STL to EZE. Only 19 miles away, it’s easily accessible for most.

Question : How long do most people visit Buenos Aires?
Answer : Of course you're not most people, but if you were, you'd stay roughly eight days.

Question : Are you paying the cheapest or highest price for your ticket to Buenos Aires?
Answer : Flight prices change more than the majority of routes from the United States for STL to EZE. They range from $1,124 to $6,386. Prices tend to be lower the further out you book.

St. Louis to Buenos Aires Flights

Sometimes you just need to get out of town or maybe you’re looking for a change of scenery. Regardless of the reason, a flight from St. Louis to Buenos Aires will do just the trick! Go on, plan to see all the famous landmarks and eat your weight in the local cuisine. Your trip is beckoning, so answer the call by packing your suitcase and filling your travel itinerary with exploring Buenos Aires.

Whether you’re flying for business or jet-setting on your personal time, you’ve come to the right place. Here at Expedia.com, we’ll pair you up with STL to EZE flights that won’t make your bank account wince. Ready to temporarily leave behind St. Louis for new horizons? Browse through our cheap airfare, and filter by flight times and dates until you find just what you had in mind. From flights without layovers to ones that arrive early in the morning, you’ll come across plane tickets that suit your travel preferences. You can even bundle your flight to EZE with hotels and car rentals to score even bigger savings.

All set to hit the clouds? Book your travel arrangements with us today and have left-over money to put toward your travel outings and adventures.