How long is the flight from Asuncion to London Heathrow Airport?

Airlines like SWISS, Turkish Airlines, and LATAM Airlines fly from Asuncion to London Heathrow Airport in about 20h 45m. The time it takes to get you to your destination can typically vary by up to 23h 30m. The distance from Asuncion to London Heathrow Airport is about 6322 mi. This flight may include one or multiple stops.

In terms of precipitation, rainfall in London Heathrow Airport ranges from 40.0 - 70.0 inches per month. January is typically the wettest month, when rainfall can reach 70.0 mm. July is typically the driest time to visit London Heathrow Airport when rainfall is around 40.0 mm.

If weather is an important factor for your trip to London Heathrow Airport, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 17.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 4.0 C).

What is the cheapest time of day to fly from ASU to LHR?

When flying from Asuncion to London Heathrow Airport, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

What airport do you fly from for flights from Asuncion to London Heathrow?

Located just 7.8 mi from the city center, Asuncion Silvio Pettirossi is the airport most travelers will use when flying to London Heathrow from Asuncion. Booking flights from Silvio Pettirossi (ASU) to London Heathrow should be relatively easy as there are 0 daily outbound flights to London Heathrow from 0 different airlines.

Can I find deals for flights from Asuncion to Heathrow that include hotel bookings?

Yes. In addition to deals on Asuncion to Heathrow flights, Cheapflights offers holiday packages that include both flights and hotel.

How can I find direct flights from Asuncion to Heathrow?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Asuncion to Heathrow.

Can I find deals for business class flights from Asuncion to Heathrow?

Yes. Cheapflights offers flight deals from Asuncion to Heathrow by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

£356+ Cheap Flights from Asuncion to London Heathrow Airport

Cheap flight deals from Asuncion to Heathrow

Enter your travel dates to find the best prices.

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Cheapest flights from Asuncion to Heathrow
Explore the most affordable flight options available from Asuncion to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 22 September 2026.

Mon 30/1113:20 -

2 stops21h 30m

Sat 27/206:20 -

2 stops33h 05m

Deal found 18/9£747

Tue 1/1213:20 -

2 stops21h 25m

Tue 8/1219:20 -

2 stops44h 10m

Deal found 20/9£761

Mon 23/1113:20 -

2 stops25h 10m

Sun 29/1112:25 -

2 stops27h 05m

Deal found 19/9£777

Tue 1/1213:20 -

2 stops29h 15m

Sun 14/212:25 -

2 stops25h 10m

Deal found 19/9£791

Tue 10/1104:55 -

2 stops29h 55m

Wed 18/1106:20 -

2 stops31h 35m

Deal found 19/9£796

Mon 2/1113:20 -

2 stops21h 30m

Mon 9/1108:55 -

2 stops41h 50m

Deal found 18/9£824

Thu 5/1111:45 -

2 stops23h 00m

Thu 12/1106:20 -

2 stops20h 25m

Deal found 21/9£824

Tue 27/1013:20 -

2 stops29h 15m

Wed 11/1108:15 -

2 stops29h 40m

Deal found 20/9£830

Sat 14/1113:15 -

2 stops21h 30m

Sat 28/1106:30 -

2 stops32h 55m

Deal found 21/9£833

Find flight deals from Asuncion to Heathrow

Round-trip from	£747
One-way from	£356
Popular in	October
Cheapest in	February
Average price	£1,222

GOL
30/11-27/2
4 total stops
54h 35m total
Asuncion to London

Search Deals

10/12-31/12
3 total stops
53h 20m total
Asuncion to London

Search Deals

Highest demand for flights based on searches. 6% potential increase in price (£59 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 1% potential price decrease (£16 potential savings vs. average return price).

Search Deals

Average for round-trip flights in September 2026

Search Deals

Cheapflights Fare Finder

Use the filters below to find and compare flights from Asuncion to London Heathrow Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

AsuncionLondon

ASU Asuncion Silvio Pettirossi - LHR London Heathrow

ASULHR

Asuncion Silvio Pettirossi

Thu 10/12

11:45-12:40

2 stops45h 55m

London Heathrow

Wed 31/12

00:00-19:00

Nonstop0h 00m

£381

AsuncionLondon

ASU Asuncion Silvio Pettirossi - LHR London Heathrow

ASULHR

Asuncion Silvio Pettirossi

Thu 22/10

11:25-15:05

2 stops47h 40m

London Heathrow

Wed 31/12

00:00-19:00

Nonstop0h 00m

£478

AsuncionLondon

ASU Asuncion Silvio Pettirossi - LHR London Heathrow

ASULHR

Asuncion Silvio Pettirossi

Fri 30/10

11:30-14:05

2 stops23h 35m

London Heathrow

Wed 31/12

00:00-19:00

Nonstop0h 00m

£516

AsuncionLondon

ASU Asuncion Silvio Pettirossi - LHR London Heathrow

ASULHR

Asuncion Silvio Pettirossi

Fri 30/10

13:50-07:40

3 stops38h 50m

London Heathrow

Wed 31/12

00:00-19:00

Nonstop0h 00m

£522

AsuncionLondon

ASU Asuncion Silvio Pettirossi - LHR London Heathrow

ASULHR

Asuncion Silvio Pettirossi

Mon 28/9

06:33-12:25

2 stops25h 52m

London Heathrow

Wed 31/12

00:00-19:00

Nonstop0h 00m

£569

AsuncionLondon

ASU Asuncion Silvio Pettirossi - LHR London Heathrow

ASULHR

Asuncion Silvio Pettirossi

Sun 27/9

13:15-15:05

1 stop21h 50m

London Heathrow

Wed 31/12

00:00-19:00

Nonstop0h 00m

£697

AsuncionLondon

ASU Asuncion Silvio Pettirossi - LHR London Heathrow

ASULHR

Asuncion Silvio Pettirossi

Wed 30/12

13:20-16:20

2 stops48h 00m

London Heathrow

Wed 31/12

00:00-19:00

Nonstop0h 00m

£704

AsuncionLondon

ASU Asuncion Silvio Pettirossi - LHR London Heathrow

ASULHR

Asuncion Silvio Pettirossi

Thu 11/2

19:00-20:05

3 stops22h 05m

London Heathrow

Wed 31/12

00:00-19:00

Nonstop0h 00m

£725

Fastest return journey

AsuncionLondon

ASU Asuncion Silvio Pettirossi - LHR London Heathrow

ASULHR

Asuncion Silvio Pettirossi

Thu 11/2

19:00-14:05

1 stop16h 05m

London Heathrow

Wed 31/12

00:00-19:00

Nonstop0h 00m

£736

AsuncionLondon

ASU Asuncion Silvio Pettirossi - LHR London Heathrow

ASULHR

Asuncion Silvio Pettirossi

Mon 2/11

13:15-21:25

3 stops29h 10m

London Heathrow

Mon 9/11

07:00-10:35

3 stops30h 35m

£925

Flights are sorted by cheapest return flights first.

Deals found on 18/9

Showing 1-10 of 19 resultsSorted by cheapest first

Best time to book a flight from Asuncion to Heathrow

Have a flexible travel schedule? Discover the best time to fly to Heathrow from Asuncion with our price prediction graph.

ASU-LHR

Estimated return price

Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Asuncion to London Heathrow Airport

What is the cheapest month to book a flight from Asuncion to London Heathrow Airport?

Currently, February is the cheapest month in which you can book a flight from Asuncion to London Heathrow Airport (average of £787). Flying from Asuncion to London Heathrow Airport in October is currently the most expensive (average of £1,309). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Related info for your journey

What airport do you fly from for flights from Asuncion to London Heathrow?
Located just 7.8 mi from the city center, Asuncion Silvio Pettirossi is the airport most travelers will use when flying to London Heathrow from Asuncion. Booking flights from Silvio Pettirossi (ASU) to London Heathrow should be relatively easy as there are 0 daily outbound flights to London Heathrow from 0 different airlines.
How long is the flight from Asuncion to London Heathrow Airport?
Airlines like SWISS, Turkish Airlines, and LATAM Airlines fly from Asuncion to London Heathrow Airport in about 20h 45m. The time it takes to get you to your destination can typically vary by up to 23h 30m. The distance from Asuncion to London Heathrow Airport is about 6322 mi. This flight may include one or multiple stops.
Can I find deals for flights from Asuncion to Heathrow that include hotel bookings?
Yes. In addition to deals on Asuncion to Heathrow flights, Cheapflights offers holiday packages that include both flights and hotel.
How can I find direct flights from Asuncion to Heathrow?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Asuncion to Heathrow.
Can I find deals for business class flights from Asuncion to Heathrow?
Yes. Cheapflights offers flight deals from Asuncion to Heathrow by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.
What is the cheapest month to book a flight from Asuncion to London Heathrow Airport?
Currently, February is the cheapest month in which you can book a flight from Asuncion to London Heathrow Airport (average of £787). Flying from Asuncion to London Heathrow Airport in October is currently the most expensive (average of £1,309). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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Can Cheapflights find flights from Asuncion to Heathrow with no change fees?

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Can Cheapflights notify me if prices for flights from Asuncion to Heathrow become cheaper?

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Cheap flights from Asuncion to London Heathrow Airport from £356

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/12. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Asuncion to Heathrow

Cheapest flights from Asuncion to HeathrowExplore the most affordable flight options available from Asuncion to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 22 September 2026.

Explore the most affordable flight options available from Asuncion to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 22 September 2026.

Best flights from Asuncion to HeathrowDiscover carefully curated flight deals from Asuncion to Heathrow that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 22 September 2026.

Discover carefully curated flight deals from Asuncion to Heathrow that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 22 September 2026.

Last-minute flights from Asuncion to HeathrowDiscover last-minute flight deals from Asuncion to Heathrow. Data last updated 22 September 2026 and is based on user searches.

Discover last-minute flight deals from Asuncion to Heathrow. Data last updated 22 September 2026 and is based on user searches.

One-way flights from Asuncion to HeathrowSearch for one-way flight options from Asuncion to Heathrow. Find affordable one-way fares based on user searches. Data last updated 22 September 2026.

Search for one-way flight options from Asuncion to Heathrow. Find affordable one-way fares based on user searches. Data last updated 22 September 2026.

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Use the filters below to find and compare flights from Asuncion to London Heathrow Airport that are best for you.

Best time to book a flight from Asuncion to Heathrow

Have a flexible travel schedule? Discover the best time to fly to Heathrow from Asuncion with our price prediction graph.

Cheapflights Insights

What is the cheapest month to book a flight from Asuncion to London Heathrow Airport?

Related info for your journey

What airport do you fly from for flights from Asuncion to London Heathrow?

How long is the flight from Asuncion to London Heathrow Airport?

Can I find deals for flights from Asuncion to Heathrow that include hotel bookings?

How can I find direct flights from Asuncion to Heathrow?

Can I find deals for business class flights from Asuncion to Heathrow?

What is the cheapest month to book a flight from Asuncion to London Heathrow Airport?

Travelling to a place near London Heathrow Airport?

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Can Cheapflights notify me if prices for flights from Asuncion to Heathrow become cheaper?

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Cheapest flights from Asuncion to Heathrow
Explore the most affordable flight options available from Asuncion to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 22 September 2026.

Best flights from Asuncion to Heathrow
Discover carefully curated flight deals from Asuncion to Heathrow that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 22 September 2026.

Last-minute flights from Asuncion to Heathrow
Discover last-minute flight deals from Asuncion to Heathrow. Data last updated 22 September 2026 and is based on user searches.

One-way flights from Asuncion to Heathrow
Search for one-way flight options from Asuncion to Heathrow. Find affordable one-way fares based on user searches. Data last updated 22 September 2026.