Flight Routes from London to Buenos Aires

Compare cheap outbound and return flights from London (LON) to Buenos Aires (BUE) and find the best offer from numerous airlines and travel agencies.

Trip type
Cheapest roundtrip flight
from€756
Fastest flight
non-stop flights
2x / week
Flight distance
11,141 km
Time difference
Airports in London
  1. Heathrow
  2. Gatwick
  3. Stansted
  4. Luton
  5. City
  6. Southend
Airports in Buenos Aires
  1. Ezeiza International Airport
  2. Jorge Newbery
Most popular airlines
  1. British Airways

Cheap flight offers from London to Buenos Aires

sorted by price and recency
  1. –
    Wizz Air UK
    –
    LON–BUE
    2 stopovers
    Avianca
    –
    BUE–LON
    2 stopovers
    €756
  2. –
    Avianca
    –
    LON–BUE
    1 stopover
    Avianca
    –
    BUE–LON
    1 stopover
    €821
  3. –
    Avianca
    –
    LON–BUE
    1 stopover
    Avianca
    –
    BUE–LON
    1 stopover
    €872
  4. –
    Emirates Airline
    –
    LON–BUE
    1 stopover
    Emirates Airline
    –
    BUE–LON
    1 stopover
    €1,662
  5. –
    Lufthansa
    –
    LON–BUE
    1 stopover
    Lufthansa
    –
    BUE–LON
    1 stopover
    €1,514
  6. –
    TAP Air Portugal
    –
    LON–BUE
    2 stopovers
    TAP Air Portugal
    –
    BUE–LON
    2 stopovers
    €1,099

Flight schedule from London (LON) to Buenos Aires (BUE)

Select a travel date in the flight schedule for the route from London (LON) to Buenos Aires (BUE) and compare affordable flight deals.

offers
Active filtersnone
Matching outbound flightsLON–BUE · 2 of 2
fromto
dep.arr.
durationstopovers
  1. 9 – 15 November 2026
  2. 16 – 22 November 2026
  3. 23 – 29 November 2026
    1. LHREZE
      1 stopover
      1. Italia Trasporto Aereo
    2. LHREZE
      non-stop
      1. British Airways

      Tips and tricks to help you find cheap flights from London to Buenos Aires

      Favourite airline: Air Europa
      63 % of travellers choose to book flights on this route with Air Europa, ITA and KLM.
      Air Europa
      32 %
      ITA
      19 %
      KLM
      12 %
      Cheapest weekday: Tuesday
      The cheapest flights on this route are operated on Tuesday.
      Favourite connection: via Madrid
      The most popular flights on this route are via Madrid and are booked by 38 % of all travellers.
      Route
      bookings
      1 stopover Madrid Barajas
      18h 15min, from £940
      38 %
      1 stopover Rome Fiumicino Leonardo da Vinci
      38h 45min, from £893
      15 %
      1 stopover Amsterdam Schiphol
      36h 25min, from £756
      11 %

      Important flight information

      Frequently Asked Questions (FAQ)

      How long is the flight from London to Buenos Aires?
      A direct flight from London to Buenos Aires typically takes around 13 hours. If you choose a connecting flight, you should allow more time. Typical one-stop journeys take around 24 hours 20 minutes. For the quickest journey, a direct flight is usually the most comfortable choice.
      Are there direct flights from London to Buenos Aires?
      Yes, there are direct flights from London to Buenos Aires, although not necessarily every day. On average, around 2 to 3 flights per week are available. If you have flexibility with your travel dates, you will find it easier to secure a suitable direct connection.
      Which airlines fly from London to Buenos Aires?
      Direct flights from London to Buenos Aires are operated by, among others, British Airways. There are also connecting flights with one stop, for example with United Airlines (via Houston - George Bush) and ITA (via Rome Fiumicino). If a short travel time matters to you, a direct flight is usually the most convenient option. Connecting flights often give you more choice of departure times and airlines.
      On which days are there direct flights from London to Buenos Aires?
      Direct flights from London to Buenos Aires operate daily. The schedule may vary by season, so it is worth comparing several travel dates. If your preferred day has no direct service, nearby departure days or short connecting flights may be a good alternative.
      How many flights are there per day from London to Buenos Aires?
      On the route from London to Buenos Aires there is less than one flight per day on average. The exact number can vary by day of the week and season. If you have flexibility with your travel dates, it is worth comparing several departure days.
      How many flights per week are there from London to Buenos Aires?
      On the route from London to Buenos Aires there are only a few flights per week. It is therefore especially worthwhile to be flexible with your travel dates so you can more easily find a suitable departure day.
      When does the first flight from London to Buenos Aires depart?
      The earliest direct flight from London to Buenos Aires usually departs at 19:25. The exact departure time may vary by day of the week and airline. Early flights are particularly useful if you want to make the most of your arrival day in Buenos Aires.
      When does the last flight from London to Buenos Aires depart?
      The last direct flight from London to Buenos Aires usually departs at 19:25. Late flights can be convenient if you want to travel after work or in the evening. Do check whether it is a direct flight, as a connecting service could push the arrival time significantly later.
      Which airline is most commonly chosen for flights from London to Buenos Aires?
      For flights from London to Buenos Aires, offers from British Airways, American Airlines and ITA are chosen most frequently. This reflects which airlines have been particularly popular with users on this route over the past year. Whether an airline suits you also depends on price, flight times, baggage and possible stopovers.
      In which months do idealo users most frequently search for flights from London to Buenos Aires?
      Flights from London to Buenos Aires are most frequently searched for travel in July, November and December. If you are planning to fly in one of these months, it may be worth comparing offers early. Outside the most popular months, you may find more choice or cheaper connections.
      Which departure days are most popular for flights from London to Buenos Aires?
      For flights from London to Buenos Aires, departures on Sunday, Thursday and Saturday are particularly in demand. Demand can be higher on popular travel days, so it is worth checking alternative departure days. You may find more suitable flight times or cheaper offers.
      How long is the typical stay on trips from London to Buenos Aires?
      For trips from London to Buenos Aires, stays of 35, 14 and 17 days are most commonly searched. These trip lengths are particularly popular with idealo users on this route.

      Discover more flights around London and Buenos Aires

      Departure airport Airport London (LCY, LGW, LHR, LTN, STN, SEN) (LON)
      Arrival airport Airport Buenos Aires - all Airports (EZE, AEP) (BUE)
      Destination country Flights to Argentina
      Departure airport - Destination country London (LCY, LGW, LHR, LTN, STN, SEN) - Argentina