Cheap Flights from Asuncion (ASU) to London (LHR)

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Compare Asuncion to London Heathrow flight deals

Find the cheapest month or even day of the year to fly to London Heathrow

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Flight deals from Asuncion to London Heathrow

Looking for a cheap last-minute deal or the best return flight from Asuncion to London Heathrow? Find the lowest prices on one-way and return tickets right here.

Find the cheapest month to fly from Asuncion to London Heathrow

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Asuncion to London Heathrow flights are currently cheapest in December.

Asuncion to London Heathrow: Alternative routes

Compare routes from Asuncion to London below. You may find an airport to fly into that's cheaper, faster, or easier than London Heathrow.

Asuncion to London: Flight information

The things to know before you go.
Cheapest flight found$1,553
Cheapest month to flyJuly

Finding cheap flights from Asuncion to London Heathrow: Frequently asked questions

The best price we found for a return flight from Asuncion to London Heathrow is $1,553. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
Currently, there are no airlines that fly direct from Asuncion to London Heathrow. But we found flights with one or more stops from $1,553.
As of May 2025, there are no flights flying from Asuncion to London Heathrow.
The cheapest month to fly from Asuncion to London Heathrow is usually May 2025.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Asuncion Airport to London Heathrow Airport on Wednesday, 23 July 2025.
No airlines currently offer direct flights between Asuncion Airport and London Heathrow Airport. Most routes have one or more stops.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to London Heathrow but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to London is around 40 days in advance, so don’t leave your flight to the last minute.
Currently, LATAM Airlines offers the cheapest flight tickets to London Heathrow.

Travelling from Silvio Pettirossi International Airport (ASU) to London Heathrow Airport (LHR): what you need to know

  • London's timezone is UTC+0, which makes London three hours ahead of Asuncion.

  • For a stress-free journey, turn up at the airport two hours ahead of international flights and an hour before domestic departures. This ensures you have enough time to catch your ASU to LHR flight.

  • You can expect longer queues in popular months such as July. Arriving up to four hours in advance for international flights and two hours for a domestic departure is a good idea.

  • If you'd love to check out another city along the way, look for a flight with a stopover. To see all your options for tickets from Silvio Pettirossi International Airport to London Heathrow Airport, deselect 'Direct flights only.' Adolfo Suarez Madrid-Barajas Airport is a well-known stop between ASU and LHR.

How to find the cheapest flights from Silvio Pettirossi International Airport (ASU) to London Heathrow Airport (LHR)

  • Right now, $850 is the lowest price we've seen for a one-way Silvio Pettirossi International Airport to London Heathrow Airport flight. The best price for a return plane ticket is $1,553. Bear in mind that fares can change due to demand at the time of booking.

  • Don't leave everything to the last minute. You're more likely to find cheap tickets from ASU to LHR if you book in advance. Airlines often offer some excellent early bird rates.

  • The 'Whole month' search tool shows you the cheapest flights from Silvio Pettirossi International Airport to London Heathrow Airport throughout the month. It's an easy way to find a bargain if your travel plans are flexible.

  • Stay on top of deals for cheap flights from ASU to LHR by setting up a Price Alert. You'll receive an email or push notification on the app when fares go down.

  • Tailor your flights with filters. Select your departure and arrival times, airlines and total journey duration. You can also sort results by 'Best,' 'Cheapest' or 'Fastest' flights from Silvio Pettirossi International Airport to London Heathrow Airport.

Handy information about Silvio Pettirossi International Airport (ASU)

  • Silvio Pettirossi International Airport gets high marks for its on-time performance. 87.64% of flights that depart ASU reach their destination on time.

  • Silvio Pettirossi International Airport is about 10 kilometres from central Asuncion. If you're driving, catching a cab or ride-sharing from the centre, it'll take 15 minutes or so to arrive, depending on the traffic.

  • Get your break off to a hassle-free start by staying near ASU. Whether you're boarding an early flight from Silvio Pettirossi International Airport to London Heathrow Airport or just don't like being rushed, these stays are ideal:

Arriving at London Heathrow Airport (LHR)

Getting from London Heathrow Airport (LHR) to central London

  • From London Heathrow Airport, London is approximately 31 kilometres away. It takes around 55 minutes to get to the centre driving.

  • Getting there by public transport takes roughly 1 hour.

When to fly to London Heathrow Airport (LHR)

  • The quietest month for a flight from Silvio Pettirossi International Airport to London Heathrow Airport is February, while July is the most popular. Pick the best time to visit London based on whether you prefer a faster pace or a more relaxed vibe.

  • Book your flight from Silvio Pettirossi International Airport to London Heathrow Airport for July if you'd like to explore London during its warmest month. You can expect temperatures of between 11ºC (52ºF) and 26ºC (79ºF).

  • Search for cheap tickets from ASU to LHR in January if you'd rather travel during cooler conditions. Temperatures are at their lowest around then, ranging between 0ºC (32ºF) and 9ºC (48ºF) on average.

Explore more of United Kingdom

  • You've visited London, now it's time to explore other parts of United Kingdom. Travel about 161 kilometres north-west to Birmingham to tick off its must-visit sights. From Cadbury World to The Library of Birmingham and National Sea Life Centre, there's plenty to keep you busy.

  • If you're eager to discover another side of United Kingdom, consider Bristol, roughly 177 kilometres west of London. Clifton Suspension Bridge, Cabot Tower and Brandon Hill Nature Park are among the biggest draws.

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.