Your next trip, last seen at €366
Lowest observedFrontier Airlines · 3 stops · One wayWhen to fly
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The lowest fare we observed for each month. Open a month to see its days, then pick your outbound and return. A day with no price is one we will search for you.
- Lowest observed
- €366, departing 22 Oct 2026 (Last checked: 2 Oct 2026)One-way fareCheck live prices for this route
- Airlines seen
- Aerolineas Argentinas, Air France, Alaska Airlines, American Airlines, Arajet, Breeze Airways +9 more
- Typical journey time
- 31h 50m
About this route
Explore the fares we observed from San Diego to Buenos Aires. Prices move often, so pick your dates to see the latest options.
- Route distance
- 9,677 km
- Typical journey time
- 31h 50m
- Airlines seen
- Aerolineas Argentinas, Air France, Alaska Airlines, American Airlines, Arajet, Breeze Airways +9 more
- Seen on fares with a connection
- LATAM Airlines, United Airlines, Frontier Airlines, Copa Airlines, JetBlue, Alaska Airlines +6 more
- Alternative airports
- CLD, AEP
Route-level information; individual journeys vary.
We have not observed non-stop service on this route; the fares shown include at least one stop.
A clearer picture of your fare
Airport to city: straight-line distance
- San Diego International Airport (SAN) → San Diego, city gazetteer reference point (32.7153, -117.1573): ≈ 4 km.
- McClellan-Palomar Airport (CLD) → San Diego, city gazetteer reference point (32.7153, -117.1573): ≈ 47 km.
- Aeroparque Jorge Newbery (AEP) → Buenos Aires, city gazetteer reference point (-34.6084, -58.3732): ≈ 7 km.
- Ezeiza International Airport - Ministro Pistarini (EZE) → Buenos Aires, city gazetteer reference point (-34.6084, -58.3732): ≈ 28 km.
Approximate distances calculated from coordinates, not road distances or travel times. These airports serve the city; they are not confirmed endpoints of an offer.
Lowest one-way fare we saw per airline
Cheapest airline from San Diego to Buenos Aires: Frontier Airlines, from €366 (checked 2 Oct 2026).
| Airline | Lowest fare | Priced days |
|---|---|---|
| Frontier Airlines | €366Oct 22, 2026 | 14 |
| Sky Airline | €373Nov 9, 2026 | 3 |
| LATAM Airlines | €395Dec 8, 2026 | 23 |
| JetBlue | €414Dec 29, 2026 | 10 |
| Copa Airlines | €433Nov 2, 2026 | 11 |
| Alaska Airlines | €443Oct 21, 2026 | 5 |
| United Airlines | €567Feb 17, 2027 | 6 |
One-way fares checked in the last 14 days. An airline listed here had a fare on at least 3 departure days. Each figure is the lowest we saw, not a guaranteed fare. Connecting itineraries are included; the date is the departure day of that fare.
Frequently asked
How much is a flight from San Diego to Buenos Aires?
The lowest fare we have observed is €366, found on 2 Oct 2026. Prices move, so read it as a floor rather than a quote.
When is the cheapest month to fly from San Diego to Buenos Aires?
In our observations October 2026 is the cheapest month so far, at €366.
Are there direct flights from San Diego to Buenos Aires?
Our data holds no non-stop flight from San Diego to Buenos Aires. The fares on this page include at least one stop.
Which airlines fly from San Diego to Buenos Aires?
These are the carriers we have seen on the route: Aerolineas Argentinas, Air France, Alaska Airlines, American Airlines, Arajet, Breeze Airways +9 more.
How long does the flight from San Diego to Buenos Aires take?
The average journey time across the 84 fares we observed is 32h 57m, including any stops. Individual departures vary; the fastest observed flight is listed in the route facts above.
How many of the observed San Diego to Buenos Aires fares were non-stop?
None of the 85 fares we observed was non-stop; every one included at least one stop. That describes our observations, not every flight that operates.
Which airline has the lowest fare from San Diego to Buenos Aires?
Cheapest airline from San Diego to Buenos Aires: Frontier Airlines, from €366 (checked 2 Oct 2026).
How observed prices work, what "No data" means and what a fare includes: Read the flight price guide
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Recently observed fares. Prices may change.
Last checked: 9 Oct 2026