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Cheap flights from London Heathrow Airport to Asuncion from £485

LHR — ASU
18 Sep — 25 Sep1
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

Tue 17/1117:50 -
2 stops43h 45m
Sun 22/1119:00 -
2 stops19h 05m
Deal found 17/8£663
Sat 5/918:30 -
2 stops20h 00m
Sun 31/119:00 -
2 stops17h 50m
Deal found 16/8£779
Tue 17/1117:30 -
2 stops20h 05m
Sun 22/1113:15 -
1 stop21h 50m
Deal found 17/8£844
Wed 16/907:25 -
2 stops20h 30m
Wed 23/913:10 -
3 stops25h 20m
Deal found 17/8£864
Sat 5/907:30 -
2 stops31h 45m
Sun 31/113:15 -
2 stops24h 50m
Deal found 15/8£865
Mon 14/907:25 -
2 stops20h 30m
Mon 21/913:10 -
2 stops25h 30m
Deal found 15/8£882
Wed 16/906:55 -
2 stops21h 00m
Wed 23/913:10 -
2 stops25h 30m
Deal found 17/8£883
Wed 16/921:20 -
1 stop17h 10m
Wed 23/918:35 -
1 stop16h 30m
Deal found 17/8£892
Mon 14/921:20 -
1 stop17h 20m
Mon 21/918:35 -
1 stop16h 30m
Deal found 15/8£914

Find flight deals from Heathrow to Asuncion

Round-trip from

£663

One-way from

£485

Popular in

August

Cheapest in

July

Average price

£3,669
Lufthansa
  • Lufthansa
  • 17/11-22/11
  • 4 total stops
  • 62h 50m total
  • London to Asuncion
Search Deals
23/9
  • 23/9
  • 3 total stops
  • 43h 25m total
  • London to Asuncion
Search Deals
Highest demand for flights based on searches. 27% potential increase in price (£347 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 21% potential price decrease (£163 potential savings vs. average return price).
Search Deals
Average for round-trip flights in August 2026
Search Deals

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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Fly to

Route

Depart

Return

Price

Cheapest return flight
Fastest return journey

LondonAsuncion

LHR London Heathrow - ASU Asuncion Silvio Pettirossi

LHRASU

London Heathrow

Sat 5/9

18:30-11:15

2 stops20h 45m

Asuncion Silvio Pettirossi

Sun 31/1

19:00-17:05

2 stops19h 05m

£950

LondonAsuncion

LHR London Heathrow - ASU Asuncion Silvio Pettirossi

LHRASU

London Heathrow

Sat 5/9

21:20-12:15

1 stop18h 55m

Asuncion Silvio Pettirossi

Sat 30/1

02:45-15:20

2 stops33h 35m

£970

LondonAsuncion

LHR London Heathrow - ASU Asuncion Silvio Pettirossi

LHRASU

London Heathrow

Thu 24/9

16:40-00:18

2 stops35h 38m

Asuncion Silvio Pettirossi

Fri 9/10

06:33-09:40

2 stops47h 07m

£1,005

LondonAsuncion

LHR London Heathrow - ASU Asuncion Silvio Pettirossi

LHRASU

London Heathrow

Wed 11/11

18:00-05:25

2 stops38h 25m

Asuncion Silvio Pettirossi

Sun 15/11

06:31-06:40

2 stops45h 09m

£1,090

LondonAsuncion

LHR London Heathrow - ASU Asuncion Silvio Pettirossi

LHRASU

London Heathrow

Thu 8/10

16:40-00:03

2 stops35h 23m

Asuncion Silvio Pettirossi

Sat 17/10

06:33-06:55

2 stops44h 22m

£1,092

LondonAsuncion

LHR London Heathrow - ASU Asuncion Silvio Pettirossi

LHRASU

London Heathrow

Tue 29/9

07:45-05:31

2 stops25h 46m

Asuncion Silvio Pettirossi

Tue 26/1

06:38-08:25

2 stops46h 47m

£1,194

LondonAsuncion

LHR London Heathrow - ASU Asuncion Silvio Pettirossi

LHRASU

London Heathrow

Sun 20/9

20:05-10:40

2 stops42h 35m

Asuncion Silvio Pettirossi

Sat 12/12

11:25-21:25

3 stops31h 00m

£1,263

LondonAsuncion

LHR London Heathrow - ASU Asuncion Silvio Pettirossi

LHRASU

London Heathrow

Mon 14/9

20:05-10:30

2 stops42h 25m

Asuncion Silvio Pettirossi

Mon 21/9

13:10-18:30

3 stops25h 20m

£1,271

LondonAsuncion

LHR London Heathrow - ASU Asuncion Silvio Pettirossi

LHRASU

London Heathrow

Sat 26/9

18:30-05:31

3 stops39h 01m

Asuncion Silvio Pettirossi

Sun 24/1

06:38-22:30

2 stops36h 52m

£1,291

LondonAsuncion

LHR London Heathrow - ASU Asuncion Silvio Pettirossi

LHRASU

London Heathrow

Wed 9/12

16:30-02:53

3 stops37h 23m

Asuncion Silvio Pettirossi

Sun 10/1

06:38-21:05

2 stops35h 27m

£1,311

Flights are sorted by cheapest return flights first.

Deals found on 17/8

Showing 1-10 of 18 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 £3,669). 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.

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
1,989 reviews
Check prices

Food

6.7

Comfort

7.3

Overall

7.4

Crew

8.0

Boarding

7.5

Entertainment

7.0

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
1,989 reviews
LATAM Airlines
7.4
Good
1,989 reviews
Check prices

Food

6.7

Comfort

7.3

Overall

7.4

Crew

8.0

Boarding

7.5

Entertainment

7.0

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, Lufthansa, and United Airlines fly from London Heathrow Airport to Asuncion in about 18h 55m. The time it takes to get you to your destination can typically vary by up to 19h 30m. The distance from London Heathrow Airport to Asuncion is about 6322 mi. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

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

    According to our current data, LATAM Airlines (£803), offers the cheapest pricing from London Heathrow Airport to Asuncion. Users have found that LATAM Airlines is 35% 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 £3,669). 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£803Average£1,153FlexibilityNo cancel feeOn-time81%
Search LATAM Airlines flights

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Yes, we can. To see specific flights from Heathrow to Asuncion with no change fees, users can toggle flexible booking options after using the search form above to find flights.

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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