Cheap flights from California to Buenos Aires from $245
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from California to Buenos Aires departing on 5/17. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
Discover deals from 900+ travel sites with momondo.
Save money when you book flights with momondo
Big names and deals
Big names and deals
Search 100s of travel sites to compare prices.Filter for what you want
Filter for what you want
Free Wi-Fi? Stopover? Instantly customize your results.Trusted and free
Trusted and free
We’re completely free to use - no hidden charges or fees.Price Alerts
Price Alerts
Not ready to book? to track prices.Find the cheapest flights from California to Buenos Aires
Cheap round-trip flights
Cheap one-way flights
Cheap last minute flights
Copa Airlines flights from California to Buenos Aires
Our best Copa Airlines deals on California to Buenos Aires flight tickets
American Airlines flights from California to Buenos Aires
Our best American Airlines deals on California to Buenos Aires flight tickets
See travel insights to Buenos Aires from
How to get the cheapest flight ticket from California 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 California is in September. Flight prices, which tend to average around $826, 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 California during May instead. Flights to Buenos Aires in May, while not as cheap as those in September, still average around $847.
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 California 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 California 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 California when booking 26 weeks ahead of your departure date. In general, you can expect to find flights to Buenos Aires for around $995 when searching 26 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Buenos Aires from California for as low as $853 on momondo.
What is the cheapest airline that flies from California to Buenos Aires?
Copa Airlines, Avianca, and United Airlines are the most popular carriers operating from California to Buenos Aires
What airlines fly to Buenos Aires?
United Airlines, American Airlines and LATAM Airlines are the top three most popular airlines that fly to Buenos Aires from California according to our data. United Airlines is the first choice among our users, with 30% 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.
Cheap California to Buenos Aires flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from California to Buenos Aires
When did momondo last update prices for flights from California to Buenos Aires?
Prices for flights from California to Buenos Aires are updated daily.
How many operators does momondo search for flights from California to Buenos Aires?
The number of operators available for flights from California to Buenos Aires is 7 as of April 2025.
How old do you have to be to fly from California 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 California to Buenos Aires.
What documentation or ID do you need to fly to Buenos Aires?
The travel and health documents you'll need for your trip to Buenos Aires may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Buenos Aires. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.
Best airlines flying from California to Buenos Aires
Compare and see reviews for airlines that fly from California to Buenos Aires with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $561 | Free Cancellation | Rating 7.5 1,411 reviews | |||
| PriceFrom $574 | Free Cancellation | Rating 7.2 10,000 reviews | |||
| PriceFrom $655 | Free Cancellation | Rating 6.7 2,317 reviews | |||
| PriceFrom $658 | Free Cancellation | Rating 7.5 1,767 reviews | |||
| PriceFrom $665 | Free Cancellation | Rating 8.0 7,920 reviews | |||
| PriceFrom $675 | Free Cancellation | Rating 7.4 8,685 reviews | |||
| PriceFrom $1,023 | Free Cancellation | Rating 7.5 1,698 reviews |
Why use momondo?
Why should I use momondo to find a flight deal from California to Buenos Aires?
momondo collates all your flight options in one place and lets you filter them to find the perfect flight from California to Buenos Aires. momondo saves you time and could save you money on your trip.
Can I find flights from California to Buenos Aires with flexible booking policies on momondo?
Yes. All flights to Buenos Aires from California on momondo can be compared and filtered by various policies on offer, including flexible booking.
How can momondo help me find flights from California to Buenos Aires?
momondo provides multiple filters to help you find the best flight to Buenos Aires from California. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.
I’m not ready to book a flight from California to Buenos Aires right now. Can momondo alert me if prices change?
Yes. momondo can track prices for California to Buenos Aires flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.