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Cheap flights from London Heathrow Airport to Asuncion from £507

LHR — ASU
7 Oct — 14 Oct1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Heathrow to Asuncion

Enter your travel dates to find the best prices.

Cheapest flights from Heathrow to Asuncion

Sat 5/918:40 -
2 stops20h 35m
Sun 31/113:15 -
2 stops24h 50m
Deal found 3/9£863
Wed 18/1120:15 -
1 stop17h 20m
Sun 22/1113:15 -
1 stop21h 50m
Deal found 2/9£929
Mon 21/921:20 -
1 stop17h 20m
Mon 15/319:00 -
1 stop16h 05m
Deal found 5/9£934
Tue 13/1021:20 -
1 stop17h 15m
Mon 15/213:15 -
1 stop21h 50m
Deal found 3/9£970

Find flight deals from Heathrow to Asuncion

Round-trip from

£929

One-way from

£507

Popular in

August

Cheapest in

July

Average price

£933
LATAM Airlines
  • LATAM Airlines
  • 18/11-22/11
  • 2 total stops
  • 39h 10m total
  • London to Asuncion
Search Deals
SWISS
  • SWISS
  • 27/2-31/12
  • 2 total stops
  • 41h 30m total
  • London to Asuncion
Search Deals
Highest demand for flights based on searches. 26% potential increase in price (£338 potential increase over avg. return price).
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Cheapest flight prices on average. 21% potential price decrease (£163 potential savings vs. average return price).
Search Deals
Average for round-trip flights in September 2026
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Cheapflights Fare Finder

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

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Route

Depart

Return

Price

Cheapest return flight

LondonAsuncion

LHR London Heathrow - ASU Asuncion Silvio Pettirossi

LHRASU

London Heathrow

Sat 27/2

21:35-05:55

1 stop35h 20m

Asuncion Silvio Pettirossi

Wed 31/12

00:00-05:00

Nonstop0h 00m

£633

LondonAsuncion

LHR London Heathrow - ASU Asuncion Silvio Pettirossi

LHRASU

London Heathrow

Sat 27/2

17:50-10:35

2 stops43h 45m

Asuncion Silvio Pettirossi

Wed 31/12

00:00-05:00

Nonstop0h 00m

£644
Fastest return journey

LondonAsuncion

LHR London Heathrow - ASU Asuncion Silvio Pettirossi

LHRASU

London Heathrow

Wed 23/9

21:20-10:30

1 stop17h 10m

Asuncion Silvio Pettirossi

Wed 31/12

00:00-05:00

Nonstop0h 00m

£663

LondonAsuncion

LHR London Heathrow - ASU Asuncion Silvio Pettirossi

LHRASU

London Heathrow

Sat 27/2

19:40-07:30

1 stop38h 50m

Asuncion Silvio Pettirossi

Wed 31/12

00:00-05:00

Nonstop0h 00m

£720

LondonAsuncion

LHR London Heathrow - ASU Asuncion Silvio Pettirossi

LHRASU

London Heathrow

Tue 3/11

22:40-05:25

3 stops33h 45m

Asuncion Silvio Pettirossi

Wed 31/12

00:00-05:00

Nonstop0h 00m

£919

LondonAsuncion

LHR London Heathrow - ASU Asuncion Silvio Pettirossi

LHRASU

London Heathrow

Wed 23/9

18:30-05:31

3 stops39h 01m

Asuncion Silvio Pettirossi

Wed 31/12

00:00-05:00

Nonstop0h 00m

£919

LondonAsuncion

LHR London Heathrow - ASU Asuncion Silvio Pettirossi

LHRASU

London Heathrow

Wed 18/11

20:15-10:35

1 stop17h 20m

Asuncion Silvio Pettirossi

Sun 22/11

13:15-14:05

1 stop21h 50m

£931

LondonAsuncion

LHR London Heathrow - ASU Asuncion Silvio Pettirossi

LHRASU

London Heathrow

Tue 8/12

06:25-12:30

2 stops33h 05m

Asuncion Silvio Pettirossi

Mon 11/1

04:01-22:30

2 stops39h 29m

£1,169

LondonAsuncion

LHR London Heathrow - ASU Asuncion Silvio Pettirossi

LHRASU

London Heathrow

Mon 21/9

22:40-05:31

3 stops34h 51m

Asuncion Silvio Pettirossi

Mon 15/3

07:54-22:30

2 stops35h 36m

£1,245

LondonAsuncion

LHR London Heathrow - ASU Asuncion Silvio Pettirossi

LHRASU

London Heathrow

Wed 9/12

22:40-05:32

3 stops33h 52m

Asuncion Silvio Pettirossi

Tue 12/1

04:01-22:30

2 stops39h 29m

£1,275

Flights are sorted by cheapest return flights first.

Deals found on 4/9

Showing 1-10 of 15 resultsSorted by cheapest first
1
2

Best time to book a flight from Heathrow to Asuncion

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

Cheapflights Insights

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

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

Currently, July is the cheapest month in which you can book a flight from London Heathrow Airport to Asuncion (average of £564). Flying from London Heathrow Airport to Asuncion in August is currently the most expensive (average of £3,673). 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.

How much does it cost for a return flight from London Heathrow Airport to Asuncion?

Airfare is typical for this route at the moment.

London Heathrow Airport to Asuncion flights typically cost between £901 and £948 in November.
The cheapest return price found within the last 5 days was £929 on LATAM Airlines (18 Nov–22 Nov).

Reviews of airlines servicing Asuncion

Get a feel of what it's like to fly with LATAM Airlines from London Heathrow Airport to Asuncion by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
LATAM Airlines
7.4
Good
1,988 reviews
Check prices

Food

6.7

Entertainment

7.0

Crew

8.0

Comfort

7.3

Boarding

7.5

Overall

7.4

Reviews

1 / 20
6.0
Good

Juan,Apr 2026

BOG - CLO

Very old aircraft and it was very dirty in the seats and floor
LATAM Airlines
7.4
Good
1,988 reviews
LATAM Airlines
7.4
Good
1,988 reviews
Check prices

Food

6.7

Entertainment

7.0

Crew

8.0

Comfort

7.3

Boarding

7.5

Overall

7.4

Reviews

1 / 20
6.0
Good

Juan,Apr 2026

BOG - CLO

Very old aircraft and it was very dirty in the seats and floor

Related info for your journey

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

    Located just 7.8 mi from the city center, Asuncion Silvio Pettirossi is the airport most travelers will use when flying to Asuncion from London Heathrow. Booking flights from London Heathrow to Silvio Pettirossi (ASU) should be relatively easy as there are 0 daily inbound flights from London Heathrow from 1 airline.

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

    Airlines like LATAM Airlines fly from London Heathrow Airport to Asuncion in about 17h 20m. The time it takes to get you to your destination can typically vary by up to . The distance from London Heathrow Airport to Asuncion is about 6322 mi.

  • What is the cheapest airline to fly from London Heathrow Airport to Asuncion round-trip?

    According to our current data, LATAM Airlines (£804), offers the cheapest pricing from London Heathrow Airport to Asuncion. Users have found that LATAM Airlines is 36% cheaper than the other options available to this destination.

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

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

  • How can I find direct flights from Heathrow to Asuncion?

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

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

    Yes. Cheapflights offers flight deals from Heathrow to Asuncion 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 London Heathrow Airport to Asuncion?

    Currently, July is the cheapest month in which you can book a flight from London Heathrow Airport to Asuncion (average of £564). Flying from London Heathrow Airport to Asuncion in August is currently the most expensive (average of £3,673). 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

Browse thousands of different options on Cheapflights for your next trip

Alternative routes for Heathrow to Asuncion

Gatwick to Asuncion flights
London City to Asuncion flights

Top airline flying from Heathrow to Asuncion

AirlineCheapestAverageFlexibilityOn-time
LATAM AirlinesCheapest£804Average£1,155FlexibilityNo cancel feeOn-time81%
Search LATAM Airlines flights

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

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

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