Nonstop flights from London to Buenos Aires from $1,293 LCY, LGW, LHR, LTN, SEN, STN → AEP, EZE
London City Airport (LCY), London Gatwick Airport (LGW), London Heathrow Airport (LHR), London Luton Airport (LTN), London Southend Airport (SEN), Stansted Airport (STN) → Jorge Newbery Airport (AEP), Ministro Pistarini Airport (EZE)
The cheapest nonstop return found recently is $1,293 with British Airways, 30 Apr 2027 – 7 May 2027, found 2 days ago.
Nonstop return
The cheapest nonstop return fare on each of 9 departure dates is usually $1,980 to $2,536.
Cheapest nonstop return
$1,293
30 Apr 2027 – 7 May 2027 · British Airways
London Heathrow Airport (LHR) → Ministro Pistarini Airport (EZE)
Leaves 7:25 p.m. · Return leaves 4:30 a.m. · 27 h 20 min of travel, both ways together
out nonstop, back nonstop
found 2 days ago
Airlines flying it nonstop on the return fares we hold: British Airways (9 departure dates).
On the 9 trips where we hold both on the same dates, nonstop cost a median $964 (86.2%) more than the cheapest fare with stops. Nonstop was cheaper or the same price on 1 of those 9 trips.
Every nonstop date we hold
Nonstop fares on 9 of the 18 departure dates we hold for this route.
See the chart as a table
| Dates | From | Airline | Airports | Stops | Found | |
|---|---|---|---|---|---|---|
| 17 Nov – 17 Dec | $4,540 | British Airways | London Heathrow Airport (LHR) → Ministro Pistarini Airport (EZE) | out nonstop, back nonstop | found 5 days ago | See prices for these dates |
| 2 Feb 2027 – 1 Mar 2027 | $2,536 | British Airways | London Heathrow Airport (LHR) → Ministro Pistarini Airport (EZE) | out nonstop, back nonstop | found 6 days ago | See prices for these dates |
| 9 Feb 2027 – 3 Mar 2027 | $1,980 | British Airways | London Heathrow Airport (LHR) → Ministro Pistarini Airport (EZE) | out nonstop, back nonstop | found 6 days ago | See prices for these dates |
| 20 Feb 2027 – 9 Mar 2027 | $2,168 | British Airways | London Heathrow Airport (LHR) → Ministro Pistarini Airport (EZE) | out nonstop, back nonstop | found 4 days ago | See prices for these dates |
| 22 Feb 2027 – 8 Mar 2027 | $2,084 | British Airways | London Heathrow Airport (LHR) → Ministro Pistarini Airport (EZE) | out nonstop, back nonstop | found 7 days ago | See prices for these dates |
| 3 Mar 2027 – 22 Mar 2027 | $2,077 | British Airways | London Heathrow Airport (LHR) → Ministro Pistarini Airport (EZE) | out nonstop, back nonstop | found 6 days ago | See prices for these dates |
| 30 Apr 2027 – 7 May 2027 | $1,293 | British Airways | London Heathrow Airport (LHR) → Ministro Pistarini Airport (EZE) | out nonstop, back nonstop | found 2 days ago | See prices for these dates |
| 2 May 2027 – 6 May 2027 | $2,977 | British Airways | London Heathrow Airport (LHR) → Ministro Pistarini Airport (EZE) | out nonstop, back nonstop | found 2 days ago | See prices for these dates |
| 4 Oct 2027 – 12 Oct 2027 | $1,245 | British Airways | London Heathrow Airport (LHR) → Ministro Pistarini Airport (EZE) | out nonstop, back nonstop | found 7 days ago | See prices for these dates |
Nonstop one-way
The cheapest nonstop one-way fare on each of 3 departure dates is usually $1,531 to $2,109.
Cheapest nonstop one-way
$1,475
22 Feb 2027 · British Airways
London Heathrow Airport (LHR) → Ministro Pistarini Airport (EZE)
Leaves 10:00 p.m. · 16 h 45 min trip
nonstop
found 2 days ago
Airlines flying it nonstop on the one-way fares we hold: British Airways (3 departure dates).
On the 3 trips where we hold both on the same dates, nonstop cost a median $891 (152.5%) more than the cheapest fare with stops. Nonstop was cheaper or the same price on 0 of those 3 trips.
Every nonstop date we hold
Nonstop fares on 3 of the 5 departure dates we hold for this route.
See the chart as a table
| Dates | From | Airline | Airports | Stops | Found | |
|---|---|---|---|---|---|---|
| 22 Feb 2027 | $1,475 | British Airways | London Heathrow Airport (LHR) → Ministro Pistarini Airport (EZE) | nonstop | found 2 days ago | Open this trip |
| 8 Oct 2027 | $1,588 | British Airways | London Heathrow Airport (LHR) → Ministro Pistarini Airport (EZE) | nonstop | found 7 days ago | Open this trip |
| 14 Oct 2027 | $2,631 | British Airways | London Heathrow Airport (LHR) → Ministro Pistarini Airport (EZE) | nonstop | found 7 days ago | Open this trip |
Prices are what travelers' searches on Aviasales found in the last 7 days, in US dollars: the price the seller showed on Aviasales; bags may cost extra. Fares change, so check today's price before you book. How our prices work