The cheapest times to fly from REL to SFO are

  • January 22nd to June 10th (except the weeks of March 26th and April 2nd)
  • October 22nd to November 11th

based on data collected exclusively by Champion Traveler across tens of millions of flights. Among all the dates above, the very cheapest time to fly from REL to SFO is late April. Prices can be as high as $3058 for Friday flights during early January, or as low as $1026 for Tuesday flights around late April.


When to Fly to San Francisco

Flying from Trelew (REL) to San Francisco, CA (SFO) will usually cost between $1026 to $2273 per person if booking more than four weeks in advance. On average the very cheapest time to fly is late April with an average ticket price of $1124. Due to high demand the most expensive time to fly is early January, with an average price of $2581. Planning your trip to low-cost times can easily save you $1457 on economy flights and even more on first-class flights. Generally, any price below $1392 can be considered a good price for a round-trip REL to SFO flight.

See below for a graph of average weekly prices for the REL to SFO route. All prices are for round-trip tickets in USD.

REL to SFO Flight Prices

Compared to other flights, the REL to SFO flight is slightly more expensive than the average and costs more than the average flight leaving from Trelew. The average price per mile (for a direct flight) is $0.13, which is far below average.


Flight Prices by Day of the Week

Tuesday is usually the cheapest day to depart and return on this flight. Fridays are the most expensive days to fly to San Francisco, and Saturdays are the most expensive days to return to Trelew. Selecting flights on the least expensive days could save you up to $290 (17%) on this flight.

Departing prices are for round-trip flights returning on the day of departure. For example, a flight departing on Tuesday and returning a week later will cost an average of $1306. Return trip prices are from the SFO to REL flight, and often highlight the quality of our data in showing the same trend.

Departing Prices by Day

Departure Day Prices

Return Trip Prices by Day

Return Day Prices


Nonstop Flights and Layovers

Travelers looking to fly from REL to SFO can generally find a 2-layover flight. Because there is not usually a direct flight option the real-world direct flight time of 12 hour 55 minutes may not be realistic.


Flight Hacking REL to SFO

Flight hacking is when you book two tickets instead of a layover, sometimes with different airlines. You will need to either bring only a carry-on bag (highly recommended) or leave yourself plenty of time to go through security again. Flight hacking is completely allowed, but airlines don’t always tell you the cheapest way to get from REL to SFO — but Champion Traveler does!

Hack #1: Buenos Aires (REL > AEP > SFO)

  • Price for both tickets: $1099
  • Average savings: $294 (21.08%)

See REL to COR flights

Hack #2: Cordoba (REL > COR > SFO)

  • Price for both tickets: $1265
  • Average savings: $127 (9.12%)

See REL to AEP flights


Flight Questions Answered

Still have questions about flying from REL to SFO? We’ve got answers.

Which airlines fly this route?

You can find 6 major airlines flying this route most often: Aerolineas Argentinas, American, COPA, Delta, LATAM, United, and potentially more during busy seasons.

How far away is it from San Francisco International Airport to Almirante Zar Airport?

The distance between the two airports is roughly 6631 miles or 10672 kilometers.

How long does it take to fly from REL to SFO?

The real-world flight time for a nonstop REL to SFO flight is about 12 hour 55 minutes.

How many flights go between Trelew and San Francisco, CA?

It depends on the day of the week and the date, but a typical day might have around 14 available flights from REL to SFO.


Airport Location Info


Departing Airport

Origination code REL
Origination airport name Almirante Zar Airport
City Trelew
Country Argentina
Latitude -43.2
Longitude -65.3

Return Airport

Destination code SFO
Destination airport name San Francisco International Airport
City San Francisco, CA
Country the United States
Latitude 37.6
Longitude -122.4


Other Resources

Please note that while we’ve worked hard to analyzed tens of millions of flights to get you this data, we do not calculate current live prices or guarantee pricing. Please see our partners using the links above for current offers.