The cheapest times to fly from SLA to LHR are

  • January 22nd to April 29th
  • May 21st to June 10th
  • October 1st to December 23rd (except the weeks of October 8th, October 15th, and December 10th)

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 SLA to LHR is mid to late November. Prices can be as high as $3945 for Thursday flights during late July, or as low as $1045 for Tuesday flights around mid to late November.


When to Fly to London

Flying from Salta (SLA) to London (LHR) will usually cost between $1153 to $1926 per person if booking more than four weeks in advance. On average the very cheapest time to fly is mid to late November with an average ticket price of $1120. Due to high demand the most expensive time to fly is late July, with an average price of $2289. Planning your trip to low-cost times can easily save you $1168 on economy flights and even more on first-class flights. Generally, any price below $1425 can be considered a good price for a round-trip SLA to LHR flight.

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

SLA to LHR Flight Prices

Compared to other flights, the SLA to LHR flight is slightly more expensive than the average and costs less than the average flight leaving from Salta. 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 fly to LHR, and Monday the cheapest day to fly back into SLA. Thursdays are the most expensive days to fly out or take a return trip. Selecting flights on the least expensive days could save you up to $187 (12%) 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 $1390. Return trip prices are from the LHR to SLA 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 SLA to LHR can generally find a 1-layover flight. Because there is not usually a direct flight option the real-world direct flight time of 12 hour 49 minutes may not be realistic.


Flight Hacking SLA to LHR

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 SLA to LHR — but Champion Traveler does!

Hack #1: Ezeiza (SLA > EZE > LHR)

  • Price for both tickets: $1011
  • Average savings: $415 (29.09%)

See SLA to GIG flights

Hack #2: Rio de Janeiro (SLA > GIG > LHR)

  • Price for both tickets: $1094
  • Average savings: $331 (23.23%)

See SLA to EZE flights

Hack #3: Santiago (SLA > SCL > LHR)

  • Price for both tickets: $1142
  • Average savings: $284 (19.89%)

See SLA to SCL flights


Flight Questions Answered

Still have questions about flying from SLA to LHR? We’ve got answers.

Which airlines fly this route?

You can find 14 major airlines flying this route most often: Aerolineas Argentinas, Aeromexico, Air Europa, Air France, Alitalia, American, BoA, British Airways, Brussels Airlines, Gol, Iberia, KLM, LATAM, Lufthansa, and potentially more during busy seasons.

How far away is it from London Heathrow Airport to Salta Airport?

The distance between the two airports is roughly 6575 miles or 10581 kilometers.

How long does it take to fly from SLA to LHR?

The real-world flight time for a nonstop SLA to LHR flight is about 12 hour 49 minutes.

How many flights go between Salta and London?

It depends on the day of the week and the date, but a typical day might have around 15 available flights from SLA to LHR.


Airport Location Info


Departing Airport

Origination codeSLA
Origination airport nameSalta Airport

Return Airport

Destination codeLHR
Destination airport nameLondon Heathrow Airport
Countrythe United Kingdom


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.