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Cheap flights from San Francisco to Buenos Aires

One-way from $471, found by travellers in the last 7 days. Aviasales checks the live price.

Departure
Return
Prices for nearby dates
Fri, Feb 26Any priceSat, Feb 27Any priceSun, Feb 28Any priceMon, Mar 1$471Tue, Mar 2Any priceWed, Mar 3Any priceThu, Mar 4Any priceFri, Mar 5Any price

Cheapest one-way tickets

Recent finds on different dates, for 1 adult. Baggage and fare rules are shown on Aviasales, where the price is checked live.

Cheapest
$471
Frontier Airlines, flight F9 4200Found yesterday, 1 adult
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9:15pmSan FranciscoMon, Mar 1
Travel time 16h 49m, 3 stopsSFOAEP
7:04pmBuenos AiresTue, Mar 2
$485
Frontier Airlines, flight F9 1230Found yesterday, 1 adult
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6:00amSan FranciscoMon, Oct 26
Travel time 16h 47m, 3 stopsSFOAEP
2:47amBuenos AiresTue, Oct 27
$505
United Airlines, flight UA 2168Found 5 days ago, 1 adult
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5:00amSan FranciscoWed, Oct 14
Travel time 13h 40m, 1 stopSFOEZE
10:40pmBuenos AiresWed, Oct 14
$539
LATAM Airlines Group, flight LA 7921Found 6 days ago, 1 adult
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6:00amSan FranciscoThu, Feb 11
Travel time 14h 39m, 1 stopSFOEZE
1:39amBuenos AiresFri, Feb 12
$543
Frontier Airlines, flight F9 1448Found yesterday, 1 adult
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10:14pmSan FranciscoMon, Oct 19
Travel time 17h 21m, 3 stopsSFOEZE
7:35pmBuenos AiresTue, Oct 20

Round trips

The cheapest return tickets found recently, price for the whole trip.

Plan the rest of the trip

  • Mobile data in ArgentinaTravel eSIM from $5, installed before you fly.
    Compare plans
  • Getting from the airportTransfers and car hire in Buenos Aires, booked ahead at a fixed price.
    See options
  • Things to do in Buenos AiresPopular tours from $63 per person.
    See ideas
  • Travel insuranceTravel insurance quotes for Argentina from EKTA; check what each policy covers.
    Get a quote
  • Flight delayed?Delayed or cancelled? See which passenger rights cover this route.
    Check

Price calendar

The lowest one-way fare found for each day over the next 60 days. A dash means no recent fare; you can still pick that day.

October 2026

MoTuWeThFrSaSu1234–5–6–7–8–9–10–11–12–13–14$50515–16–17–18–19$54320–21–22–23$73124$1,21325–26$48527$2,96128–29–30–31–

November 2026

MoTuWeThFrSaSu1–2–3–4–5–6–7–8–9–10–11–12–13–14–15–16–17–18–19–20–21–22–23–24–25–26–27–28–29–30–

December 2026

MoTuWeThFrSaSu1–2–345678910111213141516171819202122232425262728293031
$485 or lessGreen: the cheapest fifth of fares on this route. Lowest in these 60 days: Oct 26, $485.

Lowest fares by month

In the fares found this week, March 2027 has the lowest: from $471 one-way, against $539 in February 2027. Pick a month to see its cheapest date.

$0$200$400$600OctNovDecJanFeb$471MarAprMayJunJulAugSep
Show as a table
MonthCheapest one-wayDateStops
October$485Mon, Oct 263 stops
November—
December—
January 2027—
February 2027$539Thu, Feb 111 stop
March 2027$471Mon, Mar 13 stops
April 2027—
May 2027—
June 2027—
July 2027—
August 2027—
September 2027—

Questions travellers ask

What is the cheapest month to fly from San Francisco to Buenos Aires?

In the fares found this week, March 2027 has the lowest: from $471 one-way, against $539 in February 2027.

Are there direct flights from San Francisco to Buenos Aires?

None of the fares found recently are nonstop. The cheapest options have at least one stop.

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