Cheap flights from Buenos Aires to London from $818 AEP, EZE → LCY, LGW, LHR, LTN, SEN, STN
Jorge Newbery Airport (AEP), Ministro Pistarini Airport (EZE) → London City Airport (LCY), London Gatwick Airport (LGW), London Heathrow Airport (LHR), London Luton Airport (LTN), London Southend Airport (SEN), Stansted Airport (STN)
The cheapest return found recently is $1,428 with ITA Airways, 26 Jun 2027 – 5 Aug 2027, found 2 days ago. The cheapest one-way found recently is $818 with LATAM Airlines Group, 23 Nov, found 2 days ago.
- Cheapest one-way found recently
- $818, found 2 days ago
- Cheapest return found recently
- $1,428, 26 Jun 2027 to 5 Aug 2027
- Usual return price
- $1,514 to $1,624
- Cheapest month to fly
- June 2027, return fares from $1,428 found in the last 7 days
- Airlines with nonstop flights
- British Airways
Return
The cheapest return fare on each of 4 departure dates is usually $1,514 to $1,624.
Cheapest return found recently
$1,428
26 Jun 2027 – 5 Aug 2027 · ITA Airways
Ministro Pistarini Airport (EZE) → London Heathrow Airport (LHR)
Leaves 12:50 a.m. · Return leaves 8:05 p.m. · 71 h 35 min of travel, both ways together
out 1 stop, back 1 stop
found 2 days ago
Cheapest nonstop return
$2,619
18 Jul 2027 – 1 Aug 2027 · British Airways
Ministro Pistarini Airport (EZE) → London Heathrow Airport (LHR)
Leaves 3:10 p.m. · Return leaves 9:25 a.m. · 27 h 20 min of travel, both ways together
out nonstop, back nonstop
found 3 days ago
Found recently, and the cheapest we hold
$1,428 26 Jun 2027 – 5 Aug 2027found 2 days agoSee prices for these dates
It is also the cheapest return we hold, of any age.
What have prices looked like?
Over 47 days, 24 Sept to 11 Nov, the cheapest return we saw each day was $1,008 to $1,530.
Those were the prices on those days, not today's.
Is this a good return price?
Compared with the cheapest return fare on each of 4 departure dates from 13 Dec to 18 Jul 2027, found by travelers' searches in the last 7 days (economy, the price the seller showed on Aviasales). The usual range is the middle half of those prices.
Could nearby dates be cheaper?
We hold no other 40-night return fares leaving within 3 days of 26 Jun 2027 to compare.
Every date we hold
113 fares on 4 departure dates
See the chart as a table
| Dates | From | Airline | Airports | Stops | Found | |
|---|---|---|---|---|---|---|
| 13 Dec – 27 Dec | $1,542 | avianca airlines | Jorge Newbery Airport (AEP) → London Heathrow Airport (LHR) | out 1 stop, back 1 stop | found 6 days ago | See prices for these dates |
| 21 Dec – 30 Dec | $1,623 | avianca airlines | Jorge Newbery Airport (AEP) → London Gatwick Airport (LGW) | out 2 stops, back 2 stops | found 5 days ago | See prices for these dates |
| 26 Jun 2027 – 5 Aug 2027 | $1,428 | ITA Airways | Ministro Pistarini Airport (EZE) → London Heathrow Airport (LHR) | out 1 stop, back 1 stop | found 2 days ago | See prices for these dates |
| 18 Jul 2027 – 2 Aug 2027 | $1,628 | Aerolineas Argentinas | Jorge Newbery Airport (AEP) → London Heathrow Airport (LHR) | out 2 stops, back 2 stops | found 3 days ago | See prices for these dates |
Which month looks cheapest?
June 2027 is the cheapest month — from $1,428.
Airlines on the cheapest dates: avianca airlines, ITA Airways, Aerolineas Argentinas.
One-way
Not enough comparable prices yet for a usual one-way price.
Cheapest one-way found recently
$818
23 Nov · LATAM Airlines Group
Jorge Newbery Airport (AEP) → London Heathrow Airport (LHR)
Leaves 6:20 p.m. · 16 h 45 min trip
stops unknown
found 2 days ago
Cheapest nonstop one-way
None seen yet.
Found recently, and the cheapest we hold
$818 23 Novfound 2 days agoOpen this trip
It is also the cheapest one-way we hold, of any age.
What have prices looked like?
Over 30 days, 24 Sept to 11 Nov, the cheapest one-way we saw each day was $352 to $818.
At $818, the cheapest one-way found recently is at the high end of that range.
Those were the prices on those days, not today's.
Is this a good one-way price?
Not enough comparable prices yet: we hold one-way fares on 1 departure date and need at least 3 to say what is usual.
Could nearby dates be cheaper?
We hold no other one-way fares leaving within 3 days of 23 Nov to compare.
Every date we hold
1 fares on 1 departure dates
See every date as a table
| Dates | From | Airline | Airports | Stops | Found | |
|---|---|---|---|---|---|---|
| 23 Nov | $818 | LATAM Airlines Group | Jorge Newbery Airport (AEP) → London Heathrow Airport (LHR) | stops unknown | found 2 days ago | Open this trip |
Airlines on the cheapest dates: LATAM Airlines Group.
Premium cabin fares from Buenos Aires to London
We hold no premium economy, business or first-class fares for this route: we collect them for the busiest routes, and this one is not among them yet.
Today's prices for 26 Jun 2027 – 5 Aug 2027 in another cabin: Premium economy · Business · First
Today's prices for 23 Nov in another cabin: Premium economy · Business · First
How far ahead were prices cheapest for Buenos Aires to London?
Return
Fares 30 to 59 days before departure were typically 18% lower than 0 to 6 days before departure.
From the cheapest return each day between 24 Sept and 11 Nov (47 days), grouped by how many days ahead the flight left; one adult in economy.
Each range covers different departure dates, so this compares typical fares, not the same trip priced twice.
Prices reflect recent searches — current fares may differ.
See these ranges as a table
| Booked ahead by | Typical fare | Cheapest day | Above the cheapest | Days of prices |
|---|---|---|---|---|
| 0–6 days | $1,482 | $1,216 | +23% | 13 |
| 7–13 days | $1,311 | $1,287 | +8% | 13 |
| 14–29 days | $1,259 | $1,191 | +4% | 24 |
| 30–59 days | $1,210 | $1,008 | Cheapest seen | 32 |
| 60–89 days | $1,244 | $1,114 | +3% | 22 |
| 90–179 days | $1,252 | $1,164 | +4% | 36 |
| 180+ days | $1,316 | $1,093 | +9% | 39 |
One-way
Not enough history yet: in 30 days of one-way prices, 24 Sept to 11 Nov, fewer than 3 booking ranges had prices on 7 days or more.
Live price for these dates
The cheapest return found recently is for 26 Jun 2027 – 5 Aug 2027. A live search on this page shows what those dates cost now, for one adult in economy.
Questions about this trip
How much is a return flight from Buenos Aires to London?
The cheapest return found recently is $1,428 with ITA Airways, 26 Jun 2027 to 5 Aug 2027, found 2 days ago. The cheapest return fare on each of 4 departure dates is usually $1,514 to $1,624.
How much is a one-way flight from Buenos Aires to London?
The cheapest one-way found recently is $818 with LATAM Airlines Group, 23 Nov, found 2 days ago.
What is the cheapest month to fly from Buenos Aires to London?
June 2027 is the cheapest month for a return, from $1,428, 26 Jun 2027 to 5 Aug 2027, found 2 days ago.
How far ahead should I book a flight from Buenos Aires to London?
In 47 days of prices between 24 Sept and 11 Nov, return fares 30 to 59 days before departure were typically 18% lower than 0 to 6 days before departure.
Is there a direct flight from Buenos Aires to London?
Yes, the cheapest nonstop return found recently is $2,619 with British Airways, 18 Jul 2027 to 1 Aug 2027, found 3 days ago.
Which airlines have the cheapest flights from Buenos Aires to London?
Between 13 Dec and 18 Jul 2027, avianca airlines has the cheapest return on 2 of the 4 departure dates we hold, ITA Airways on 1 and Aerolineas Argentinas on 1.
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