£478 Cheap Flights from London (LHR) to Buenos Aires (AEP)

You can find one-way and return flights from LHR to AEP with Expedia. Flight prices vary based on the month and day of the week you want to travel, as well as the airline and how far in advance you book your ticket. Filter your search on Expedia by "Price (lowest to highest)" to see our cheapest fares first, and use the Price Tracking tool to receive alerts when LHR to AEP ticket fares go up or down.

The cheapest months to fly from LHR to AEP are typically during off-peak season when demand is low. Traveling in off-peak or shoulder months is usually a good way to secure cheap tickets, just remember to avoid flying during holidays if you are able to. Use the calendar view in your search to see which months have low fares on this route.

Enter LHR to AEP and your travel dates, then apply the 'Nonstop' filter to see only direct flights.

To find a cheap flight from London (LHR-Heathrow) to Buenos Aires (AEP-Aeroparque Jorge Newbery), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.

The best time to fly is usually mid-week (Tuesday or Wednesday) and during early morning hours as flights tend to be cheaper, less crowded, and generally more on-time. Avoid major holidays and peak vacation seasons for smoother travel. Combining off-peak days and hours often gives the best combination of cost, comfort, and convenience.

There are approximately 50 connecting flights per day from London Heathrow (LHR) to Buenos Aires Aeroparque Jorge Newbery (AEP). Some common connection points include Adolfo Suarez Madrid-Barajas (MAD), Humberto Delgado (LIS), and Guarulhos - Governor Andre Franco Montoro Intl. (GRU).

The earliest flight from London (LHR-Heathrow) to Buenos Aires (AEP-Aeroparque Jorge Newbery) typically departs around 6:00 AM. This service is seasonal, active only in April. You'll find flights operated by airlines such as Air Baltic, Swiss International Air Lines, and LATAM Airlines Group. An early departure like this can help you make the most of your time at your destination. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.

You'll generally find the most flights from London Heathrow (LHR) to Buenos Aires (AEP) on a Wednesday, with around 31 flights available. This gives you a good selection of options for your journey. Major airlines on this route include Iberia, Air France, and British Airways. Flight schedules are consistent throughout the week, so you'll find similar options on other days too.

The most popular departure times for flights from London Heathrow (LHR) to Buenos Aires (AEP) are in the late evening, from 9pm to midnight. Many major carriers, including British Airways, LATAM Airlines Group and Avianca, offer flights during this window. Many travellers prefer this timing because it allows you to maximise your day in London before your flight, and you'll arrive in Buenos Aires ready to start your day.

There are no nonstop flights from London Heathrow (LHR) to Buenos Aires Aeroparque Jorge Newbery (AEP), a journey of approximately 11,108 kilometers. Flights with one stop typically take around 16 hours 18 minutes. If you're looking at flights with two or more stops, the travel time increases to about 21 hours 18 minutes. Keep in mind that these are average times, and your actual flight duration can vary depending on the specific routing, layover times, and even weather conditions.

You can fly business class from London Heathrow (LHR) to Buenos Aires (AEP). Airlines that offer business class service on this route include:

• Avianca

It's easy to earn miles on a London (LHR-Heathrow) to Buenos Aires (AEP-Aeroparque Jorge Newbery) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia.

*Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.

If you're planning to travel to Buenos Aires from Heathrow (LHR), you can fly directly into Aeroparque Jorge Newbery (AEP). Some flights may connect through major hubs like Adolfo Suarez Madrid-Barajas (MAD), Zürich (ZRH), or Frankfurt Intl. (FRA) before reaching Buenos Aires. Compare routes and airports on Expedia to find the best flight options for your travel plans.

Typically, booking a last minute flight from London (LHR-Heathrow) to Buenos Aires (AEP-Aeroparque Jorge Newbery) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.

Securing a London (LHR-Heathrow) to Buenos Aires (AEP-Aeroparque Jorge Newbery) flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.

If you booked your London (LHR-Heathrow) to Buenos Aires (AEP-Aeroparque Jorge Newbery) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.