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Cheap flights from Asuncion to London Heathrow Airport from £345

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 1/11. Fares are subject to change and may not be available on all flights or dates of travel.
ASU — LHR
10 Sep — 17 Sep1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Asuncion to Heathrow

Enter your travel dates to find the best prices.

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 11 August 2026.

Mon 30/1112:50 -
2 stops29h 35m
Sat 27/206:20 -
2 stops20h 35m
Deal found 6/8£721
Wed 11/1113:20 -
2 stops24h 15m
Wed 18/1106:20 -
2 stops33h 10m
Deal found 5/8£764
Wed 21/1017:05 -
2 stops19h 30m
Wed 28/1008:55 -
2 stops41h 50m
Deal found 5/8£778
Tue 1/1213:20 -
2 stops26h 00m
Tue 8/1206:20 -
2 stops20h 25m
Deal found 8/8£780
Tue 10/1119:00 -
1 stop16h 05m
Tue 24/1121:40 -
1 stop34h 35m
Deal found 10/8£797
Sat 14/1119:00 -
1 stop16h 05m
Wed 25/1121:40 -
1 stop35h 15m
Deal found 9/8£798
Wed 21/1008:25 -
1 stop27h 10m
Wed 28/1021:40 -
1 stop35h 15m
Deal found 9/8£809
Sat 14/1111:25 -
2 stops22h 25m
Wed 25/1107:40 -
2 stops29h 55m
Deal found 9/8£813

Find flight deals from Asuncion to Heathrow

Discover tips and strategies to find the most affordable flight options for your journey from Asuncion (ASU) to Heathrow (LHR). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 11 August 2026.

Round-trip from

£721

One-way from

£345

Popular in

October

Cheapest in

February

Average price

£951
GOL
  • GOL
  • 30/11-27/2
  • 4 total stops
  • 50h 10m total
  • Asuncion to London
Search Deals
LATAM Airlines
  • LATAM Airlines
  • 1/11
  • 1 total stop
  • 16h 05m total
  • Asuncion to London
Search Deals
Highest demand for flights based on searches. 4% potential increase in price (£35 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (£17 potential savings vs. average return price).
Search Deals
Average for round-trip flights in August 2026
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Asuncion to Heathrow that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 11 August 2026.
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
Fastest return journey

AsuncionLondon

ASU Asuncion Silvio Pettirossi - LHR London Heathrow

ASULHR

Asuncion Silvio Pettirossi

Tue 22/9

11:30-15:05

1 stop23h 35m

London Heathrow

Tue 13/10

21:20-10:35

1 stop17h 15m

£1,043

AsuncionLondon

ASU Asuncion Silvio Pettirossi - LHR London Heathrow

ASULHR

Asuncion Silvio Pettirossi

Thu 17/9

06:33-05:55

2 stops43h 22m

London Heathrow

Fri 25/9

12:15-05:31

2 stops45h 16m

£1,049

AsuncionLondon

ASU Asuncion Silvio Pettirossi - LHR London Heathrow

ASULHR

Asuncion Silvio Pettirossi

Wed 9/9

06:33-06:55

2 stops44h 22m

London Heathrow

Wed 16/9

10:25-05:31

2 stops23h 06m

£1,049

AsuncionLondon

ASU Asuncion Silvio Pettirossi - LHR London Heathrow

ASULHR

Asuncion Silvio Pettirossi

Sat 19/9

06:33-12:25

2 stops25h 52m

London Heathrow

Sat 26/9

10:25-05:31

2 stops23h 06m

£1,049

AsuncionLondon

ASU Asuncion Silvio Pettirossi - LHR London Heathrow

ASULHR

Asuncion Silvio Pettirossi

Sat 7/11

11:25-21:25

3 stops31h 00m

London Heathrow

Sat 14/11

19:30-10:35

3 stops42h 05m

£1,061

AsuncionLondon

ASU Asuncion Silvio Pettirossi - LHR London Heathrow

ASULHR

Asuncion Silvio Pettirossi

Sat 26/9

06:33-12:25

2 stops25h 52m

London Heathrow

Sat 3/10

18:00-05:31

2 stops39h 31m

£1,069

AsuncionLondon

ASU Asuncion Silvio Pettirossi - LHR London Heathrow

ASULHR

Asuncion Silvio Pettirossi

Sat 19/9

06:33-06:45

2 stops44h 12m

London Heathrow

Thu 24/9

16:40-00:18

2 stops35h 38m

£1,069

AsuncionLondon

ASU Asuncion Silvio Pettirossi - LHR London Heathrow

ASULHR

Asuncion Silvio Pettirossi

Tue 1/12

13:20-14:15

2 stops45h 55m

London Heathrow

Sun 14/2

17:55-05:34

3 stops38h 39m

£1,102

AsuncionLondon

ASU Asuncion Silvio Pettirossi - LHR London Heathrow

ASULHR

Asuncion Silvio Pettirossi

Sun 29/11

03:56-21:05

2 stops38h 09m

London Heathrow

Sat 27/2

15:20-02:55

3 stops38h 35m

£1,143
Cheapest one-way
Fastest single journey

AsuncionLondon

ASU Asuncion Silvio Pettirossi - LHR London Heathrow

ASULHR

Asuncion Silvio Pettirossi

Sat 12/12

11:25-15:20

2 stops24h 55m

£424

Flights are sorted by cheapest return flights first.

Deals found on 10/8

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

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.
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 £780). Flying from Asuncion to London Heathrow Airport in October is currently the most expensive (average of £1,298). 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

Find useful and relevant information for your journey from Asuncion to Heathrow. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • 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 LATAM Airlines and United Airlines fly from Asuncion to London Heathrow Airport in about 23h 35m. The time it takes to get you to your destination can typically vary by up to 19h 47m. 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 £780). Flying from Asuncion to London Heathrow Airport in October is currently the most expensive (average of £1,298). 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.

See more FAQs

Travelling to a place near London Heathrow Airport?

Book flights to London Heathrow Airport if you plan to visit one of these locations
Hounslow
Milton Keynes
Luton
Gatwick
Wembley
Ilford
Slough
Hayes
Croydon
Colchester
Brentford
Eastbourne
Northampton
Watford
Southend-on-Sea
Swindon
Enfield
Kingston upon Thames
Southall
Poole

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Alternative routes for Asuncion to Heathrow

See prices for flight routes from nearby airports that may be better suited for you.
Asuncion to Gatwick flights
Asuncion to Stansted flights

Fly with Cheapflights

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How does Cheapflights help users find flights from Asuncion to Heathrow?

Cheapflights makes it easy to find Asuncion to Heathrow flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

Why should you use Cheapflights to find cheap flight tickets from Asuncion to Heathrow?

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from Asuncion to Heathrow.

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

Need flexible booking options for your flight to Heathrow from Asuncion? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

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

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Heathrow from Asuncion today and book when prices fit your budget.

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