Cheap flights from San Diego to Buenos Aires from $261
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from San Diego to Buenos Aires departing on 10/6. 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 San Diego 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 San Diego and Buenos Aires?
What is the cheapest month to fly to Buenos Aires?
The cheapest month to fly to Buenos Aires from San Diego is in October. Flight prices, which tend to average around $1,096, 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 San Diego during November instead. Flights to Buenos Aires in November, while not as cheap as those in October, still average around $1,106.
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 San Diego is on a Wednesday. momondo users have found tickets for Wednesday departures for as low as $1,209. However, this price may fluctuate depending on the airline, the season, and holidays. Be sure to avoid booking your departure on a Friday as prices are generally higher than usual. According to our data, the average ticket price to Buenos Aires on Friday is $1,393.
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 San Diego to Buenos Aires during this time can be as low as $1,054. Try not to purchase tickets in the evening because they tend to be around $1,361. 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 San Diego when booking 23 weeks ahead of your departure date. In general, you can expect to find flights to Buenos Aires for around $1,271 when searching 23 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Buenos Aires from San Diego for as low as $1,059 on momondo.
Can stopping save me money on San Diego to Buenos Aires flights?
You could potentially save up to 8% on your flight if you consider stops on a San Diego to Buenos Aires flight.
How have San Diego to Buenos Aires flight prices changed over time?
What is the cheapest airline that flies from San Diego to Buenos Aires?
Copa Airlines, Air Canada, and Delta are the most popular carriers operating from San Diego to Buenos Aires
What airlines fly to Buenos Aires?
United Airlines, American Airlines and Delta are the top three most popular airlines that fly to Buenos Aires from San Diego according to our data. United Airlines is the first choice among our users, with 51% of people opting to fly with this airline when traveling to Buenos Aires. Keep in mind that there are 4 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 San Diego to Buenos Aires
Cheap San Diego to Buenos Aires (SAN to BUE) flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from San Diego to Buenos Aires
How far is San Diego to Buenos Aires by plane?
Buenos Aires is 6008.6 mi away from San Diego. 15h 22m is a normal flight duration for this route.
When did momondo last update prices for flights from San Diego Airport to Buenos Aires?
Prices for flights from San Diego Airport to Buenos Aires are updated daily.
How many operators does momondo search for flights from San Diego Airport to Buenos Aires?
As of June 2025, there are 4 operators available to choose from for flights from San Diego Airport to Buenos Aires.
How old do you have to be to fly from San Diego Airport to Buenos Aires?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from San Diego 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 San Diego to Buenos Aires?
Based on momondo bookings for this flight route, the most popular airline on flight routes from San Diego to Buenos Aires is Delta (38% of total bookings). The next most popular airlines are United Airlines (34%), American Airlines (16%), and LATAM Airlines (7%).
Best airlines flying from San Diego to Buenos Aires
Compare and see reviews for airlines that fly from San Diego to Buenos Aires with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $605 | Free Cancellation | Rating 7.5 1,451 reviews | |||
| PriceFrom $1,023 | Free Cancellation | Rating 7.2 10,000 reviews | |||
| PriceFrom $1,024 | Free Cancellation | Rating 7.4 8,790 reviews | |||
| PriceFrom $1,063 | Free Cancellation | Rating 8.0 7,946 reviews |
Why use momondo?
Why should I use momondo to find a flight deal from San Diego 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 San Diego.
Can I find flights from San Diego to Buenos Aires with flexible booking policies on momondo?
Flights from San Diego to Buenos Aires 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 San Diego 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 San Diego.
I’m not ready to book a flight from San Diego to Buenos Aires right now. Can momondo alert me if prices change?
Of course. momondo tracks the price of San Diego to Buenos Aires flights. All you need is a valid email address and we will do the rest; it is that quick and easy.