Cheap flights from the United States to Buenos Aires from $243
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from the United States to Buenos Aires departing on 8/21. 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 United States to Buenos Aires
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 Buenos Aires?
The cheapest month to fly to Buenos Aires from United States is in October. Flight prices, which tend to average around $957, are often lower during this time because this is during the off-season. If you aren’t able to travel during the month of October, then book flights to Buenos Aires from United States during November instead. Flights to Buenos Aires in November, while not as cheap as those in October, still average around $959.
What is the cheapest day to depart on your flight to Buenos Aires?
On average, the least expensive day to fly to Buenos Aires from United States is on a Tuesday. momondo users have found tickets for Tuesday departures for as low as $1,032. However, this price may fluctuate depending on the airline, the season, and holidays. Be sure to avoid booking your departure on a Saturday as prices are generally higher than usual. According to our data, the average ticket price to Buenos Aires on Saturday is $1,188.
What is the cheapest time of day to depart on your flight to Buenos Aires?
Our most recent data shows that the best time of day to fly to Buenos Aires is in the afternoon. Flights from United States to Buenos Aires during this time can be as low as $887. Try not to purchase tickets at noon because they tend to be around $1,476. Of course, these prices can vary depending on the time of year and what airport you fly to.
What is the cheapest United States to Buenos Aires flight route?
Fly from Miami to Buenos Aires Ministro Pistarini for the best United States - Buenos Aires flight prices
How far in advance should I book a flight to Buenos Aires?
You are more likely to see cheaper flights to Buenos Aires from United States when booking 24 weeks ahead of your departure date. In general, you can expect to find flights to Buenos Aires for around $1,107 when searching 24 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Buenos Aires from United States for as low as $999 on momondo.
What cabin class options are available on United States to Buenos Aires flights?
There are 4 cabin classes available to choose from on United States to Buenos Aires flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.
What is the cheapest airline that flies from United States to Buenos Aires?
Arajet, Avianca, and Delta are the most popular carriers operating from United States to Buenos Aires
What airlines fly to Buenos Aires?
Aerolineas Argentinas, American Airlines and LATAM Airlines are the top three most popular airlines that fly to Buenos Aires from United States according to our data. Aerolineas Argentinas is the first choice among our users, with 43% of people opting to fly with this airline when traveling to Buenos Aires. Keep in mind that there are 12 different airlines that fly to Buenos Aires on a routine basis, so you have a few additional options to choose from.
How many flights depart from United States to Buenos Aires on average per day?
As of June 2025, there are 9 flights per day flying from United States to Buenos Aires. The most common time of day flights depart is 10:00PM, with 74% of flights taking off in the evening.
How many flights depart from United States to Buenos Aires on average per week?
As of June 2025, 63 flights take off from United States and land in Buenos Aires each week. The most common flight departure day for this route is Mon, with 14% of weekly flights taking off on this day.
Cheap United States to Buenos Aires flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from United States to Buenos Aires
Best Price Found | $243 |
|---|---|
Fastest flight time | 9h 05m |
Direct flights | Every day |
Airports in Buenos Aires | 2 airports |
When did momondo last update prices for flights from United States to Buenos Aires?
Prices for flights from United States to Buenos Aires refresh daily.
How many operators does momondo search for flights from United States to Buenos Aires?
The number of operators available for flights from United States to Buenos Aires is 12 as of June 2025.
How old do you have to be to fly from United States to Buenos Aires?
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 United States to Buenos Aires.
What documentation or ID do you need to fly to Buenos Aires?
The required travel and health documents for your Buenos Aires 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. We recommend that you seek guidance from your airline or a reliable third party such as IATA.
What is the most popular plane model from United States to Buenos Aires?
Based on momondo bookings for flights between United States and Buenos Aires, the leading plane model is Airbus A330, making up 58.58% of the total bookings. Other popular models include Boeing 787-8 Dreamliner with 23.79%, Boeing 777-300ER with 9.39%, and Boeing 777-200/200ER with 4.22%.
Best airlines flying from United States to Buenos Aires
Compare and see reviews for airlines that fly from United States to Buenos Aires with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $237 | Free Cancellation | Rating 7.2 10,000 reviews | |||
| PriceFrom $448 | Free Cancellation | Rating 7.3 26 reviews | |||
| PriceFrom $450 | Free Cancellation | Rating 7.5 1,452 reviews | |||
| PriceFrom $513 | Free Cancellation | Rating 6.7 2,346 reviews | |||
| PriceFrom $518 | Free Cancellation | Rating 7.5 1,785 reviews | |||
| PriceFrom $519 | Free Cancellation | Rating 7.3 1,073 reviews | |||
| PriceFrom $663 | Free Cancellation | Rating 7.4 8,801 reviews | |||
| PriceFrom $663 | Free Cancellation | Rating 8.1 875 reviews | |||
| PriceFrom $672 | Free Cancellation | Rating 6.7 135 reviews | |||
| PriceFrom $762 | Free Cancellation | Rating 8.0 7,963 reviews |
Why use momondo?
Why should I use momondo to find a flight deal from United States to Buenos Aires?
To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Buenos Aires from United States.
Can I find flights from United States to Buenos Aires with flexible booking policies on momondo?
All flight searches from United States to Buenos Aires on momondo can be filtered to show those which offer flexible booking policies.
How can momondo help me find flights from United States to Buenos Aires?
Once all potential United States to Buenos Aires flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.
I’m not ready to book a flight from United States to Buenos Aires right now. Can momondo alert me if prices change?
If you are simply researching potential flights to Buenos Aires, momondo offers a useful price alert feature which will track prices for flights to Buenos Aires from United States and alert you when they change.