Cheap flights from Los Angeles to Buenos Aires from $327
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Los Angeles to Buenos Aires departing on 10/20. 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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Avianca flights from Los Angeles to Buenos Aires
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How to get the cheapest flight ticket from Los Angeles 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 typical price of a round-trip flight between Los Angeles and Buenos Aires?
What is the cheapest month to fly to Buenos Aires?
The cheapest month to fly to Buenos Aires from Los Angeles is in September. Flight prices, which tend to average around $843, are often lower during this time because this is during the off-season. If you aren’t able to travel during the month of September, then book flights to Buenos Aires from Los Angeles during October instead. Flights to Buenos Aires in October, while not as cheap as those in September, still average around $857.
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 Los Angeles is on a Monday. momondo users have found tickets for Monday departures for as low as $855. 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 $1,005.
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 Los Angeles to Buenos Aires during this time can be as low as $918. Try not to purchase tickets in the morning because they tend to be around $963. Of course, these prices can vary depending on the time of year and what airport you fly to.
How far in advance should I book a flight to Buenos Aires?
You are more likely to see cheaper flights to Buenos Aires from Los Angeles when booking 20 weeks ahead of your departure date. In general, you can expect to find flights to Buenos Aires for around $983 when searching 20 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Buenos Aires from Los Angeles for as low as $859 on momondo.
What is the cheapest airline that flies from Los Angeles to Buenos Aires?
Copa Airlines, Avianca, and LATAM Airlines are the most popular carriers operating from Los Angeles to Buenos Aires
What airlines fly to Buenos Aires?
LATAM Airlines, United Airlines and American Airlines are the top three most popular airlines that fly to Buenos Aires from Los Angeles according to our data. LATAM Airlines is the first choice among our users, with 32% of people opting to fly with this airline when traveling to Buenos Aires. Keep in mind that there are 7 different airlines that fly to Buenos Aires on a routine basis, so you have a few additional options to choose from.
When to book flights from Los Angeles to Buenos Aires
Cheap Los Angeles to Buenos Aires (LAX to BUE) flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Los Angeles to Buenos Aires
How far is Los Angeles to Buenos Aires by plane?
Los Angeles and Buenos Aires are 6121.1 mi apart from one another. In terms of flight time, this usually takes a little over 14h 25m.
When did momondo last update prices for flights from Los Angeles Airport to Buenos Aires?
Prices for flights from Los Angeles Airport to Buenos Aires are updated daily.
How many operators does momondo search for flights from Los Angeles Airport to Buenos Aires?
As of June 2025, there are 7 operators available to choose from for flights from Los Angeles Airport to Buenos Aires.
How old do you have to be to fly from Los Angeles Airport to Buenos Aires?
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 Los Angeles Airport to Buenos Aires.
What documentation or ID do you need to fly to Buenos Aires?
The travel and health documents required for your trip to Buenos Aires 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 Buenos Aires. We always recommend checking with your airline or a trusted third party such as IATA to get advice.
What is the most popular airline from Los Angeles to Buenos Aires?
Based on momondo bookings for this flight route, the most popular airline on flight routes from Los Angeles to Buenos Aires is LATAM Airlines (47% of total bookings). The next most popular airlines are United Airlines (18%), American Airlines (13%), and Copa Airlines (9%).
Best airlines flying from Los Angeles to Buenos Aires
Compare and see reviews for airlines that fly from Los Angeles to Buenos Aires with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $561 | Free Cancellation | Rating 7.5 1,451 reviews | |||
| PriceFrom $573 | Free Cancellation | Rating 7.2 10,000 reviews | |||
| PriceFrom $655 | Free Cancellation | Rating 6.7 2,345 reviews | |||
| PriceFrom $695 | Free Cancellation | Rating 7.4 8,790 reviews | |||
| PriceFrom $720 | Free Cancellation | Rating 7.5 1,785 reviews | |||
| PriceFrom $770 | Free Cancellation | Rating 8.0 7,950 reviews | |||
| PriceFrom $1,501 | Free Cancellation | Rating 7.5 1,706 reviews |
Why use momondo?
Why should I use momondo to find a flight deal from Los Angeles to Buenos Aires?
We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Los Angeles to Buenos Aires for you.
Can I find flights from Los Angeles to Buenos Aires with flexible booking policies on momondo?
All flight searches from Los Angeles to Buenos Aires on momondo can be filtered to show those which offer flexible booking policies.
How can momondo help me find flights from Los Angeles to Buenos Aires?
Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Buenos Aires from Los Angeles.
I’m not ready to book a flight from Los Angeles 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 Los Angeles and alert you when they change.