Cheap Flights from San Francisco to Buenos Aires from $455

Frequently Asked Questions

• What are the cheapest flights from San Francisco to Buenos Aires (SFO-BUE)?

  Based on Trip.com data, Delta Air Lines offers one-way fares as low as $455 on Cheapest nonstop routes (e.g. SFO to EZE on Sun, Sep 27), while Copa Airlines offers Cheapest nonstop round-trips from $1,023 departing on Tue, Nov 10 and returning on Tue, Nov 17.

• Which airlines offer direct flights from San Francisco to Buenos Aires?

  At the moment, you can catch a nonstop flight from San Francisco to Buenos Aires with the following airlines, including: Hawaiian Airlines Selected airlines are based on historical data collected from flight bookings users made on Trip.com within the last 90 days.

• When is the best time to book flights from San Francisco to Buenos Aires?

  By analyzing data from all airlines on the Trip.com flight calendar, it looks like the best time to book a flight from San Francisco to Buenos Aires is around 40 days (6 weeks) in advance, and the best time to fly is usually on Tuesday, Wednesday, and Saturday. Tuesday typically offers the cheapest flights for departure, while Saturday offers the best return deals.

• How can I find the best deals on flights from San Francisco to Buenos Aires?

  To find best deals on flights from San Francisco to Buenos Aires, you can use various tools on Trip.com:
  · Be flexible with your travel dates to get the cheapest flight deal. Now the cheapest flight deal is on Sun, Sep 27, with one-way flights priced at just $455.
  · Compare airlines strategically. Budget carriers often provide the lowest base fares, while we found the most affordable airline currently operating on this route is Delta Air Lines.
  · Set up price alerts to easily monitor ticket prices without having to check every day.
  · Check Trip.com flight deals and promo codes frequently.
  · Avoid peak season unless you book very early. It seems the peak season for Buenos Aires travel is around July.
  · Get exclusive promo codes for Trip.com app users.

• When are flight tickets from San Francisco (SFO) to Buenos Aires (BUE) the cheapest?

  The cheapest months to fly from San Francisco to Buenos Aires is November, when demand for travel is lower.

• Which upcoming date is cheapest to fly from San Francisco to Buenos Aires on?

  After crunching the numbers on our September flight calendar, it's currently cheapest to fly from San Francisco to Buenos Aires on September 20, 2026 with United Airlines, with prices starting at $1,013.

• Which airports can I fly into Buenos Aires from San Francisco?

  You can arrive at any of the following airports in Buenos Aires: Ezeiza International Airport (EZE), and Jorge Newbery Airport (AEP). Flights from San Francisco International Airport to Ezeiza International Airport (SFO-EZE) are by far the most popular option for this route.

• Is there any time difference between San Francisco and Buenos Aires?

  The time difference between Buenos Aires and San Francisco is 5h.

• How do I change or cancel my ticket from San Francisco to Buenos Aires?

  Tickets can only be changed or canceled if permitted by airline policy. To submit a change or cancellation request, go to the flight bookings page, select the option to change or cancel your booking, choose the relevant passengers and segment, and submit a request. Please note that additional charges may apply according to the airline ticket policy. However, if the flight has been rescheduled and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For more details about change and cancellation policies, please check the customer support pages.

• What is the average cost of a one-way flight from San Francisco to Buenos Aires?

  Based on Trip.com data for flights departing in the next 30 days, the average one-way fare from San Francisco to Buenos Aires is $755. Fares vary by travel date, airline and availability.

• How do I book flights from San Francisco to Buenos Aires on Trip.com?

  Enter San Francisco and Buenos Aires, choose your travel dates and passengers, then compare flights by price, duration and baggage. Select a fare, review the change and cancellation rules, enter traveler details and complete payment to receive your confirmation.