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Cheap flights from London Heathrow Airport to Asuncion from £400

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from London Heathrow Airport to Asuncion departing on 15/10. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from London Heathrow Airport to Asuncion (LHR-ASU)

Cheap return flights

Avianca Logo
22:05 - 04:40LHR-ASU
34h 35m1 stop
Avianca Logo
08:10 - 15:35ASU-LHR
27h 25m1 stop
£675Avianca
Find Deal
Wed, 3 Sep - Wed, 24 Sep
Avianca Logo
21:40 - 05:15LHR-ASU
34h 35m1 stop
Avianca Logo
06:45 - 14:35ASU-LHR
28h 50m1 stop
£750Avianca
Find Deal
Tue, 11 Nov - Tue, 2 Dec
Avianca Logo
21:40 - 05:15LHR-ASU
34h 35m1 stop
Avianca Logo
06:45 - 14:35ASU-LHR
28h 50m1 stop
£780Avianca
Find Deal
Thu, 13 Nov - Tue, 2 Dec
Logo
20:55 - 11:40LHR-ASU
42h 45m2 stops
Logo
06:31 - 13:30ASU-LHR
26h 59m2 stops
£801
Find Deal
Tue, 19 Aug - Sat, 6 Sep
Logo
20:25 - 11:30LHR-ASU
42h 05m2 stops
Logo
12:20 - 13:45ASU-LHR
22h 25m2 stops
£843
Find Deal
Mon, 24 Nov - Tue, 2 Dec
LATAM Airlines Logo
20:15 - 12:25LHR-ASU
19h 10m1 stop
LATAM Airlines Logo
13:20 - 14:05ASU-LHR
21h 45m1 stop
£848LATAM Airlines
Find Deal
Mon, 24 Nov - Tue, 2 Dec
LATAM Airlines Logo
20:15 - 09:55LHR-ASU
16h 40m1 stop
LATAM Airlines Logo
18:30 - 14:05ASU-LHR
16h 35m1 stop
£852LATAM Airlines
Find Deal
Wed, 12 Nov - Thu, 27 Nov
United Airlines Logo
07:45 - 05:25LHR-ASU
25h 40m3 stops
United Airlines Logo
01:45 - 06:55ASU-LHR
25h 10m2 stops
£899United Airlines
Find Deal
Thu, 18 Sep - Wed, 24 Sep
United Airlines Logo
16:40 - 00:05LHR-ASU
35h 25m2 stops
United Airlines Logo
01:45 - 07:40ASU-LHR
49h 55m2 stops
£903United Airlines
Find Deal
Tue, 2 Sep - Mon, 8 Sep
Air France Logo
06:15 - 05:25LHR-ASU
27h 10m2 stops
Air France Logo
06:32 - 16:35ASU-LHR
30h 03m2 stops
£960Air France
Find Deal
Thu, 9 Oct - Tue, 21 Oct

United Airlines flights from London Heathrow Airport to Asuncion

Our best United Airlines deals on London Heathrow Airport to Asuncion flight tickets
United Airlines
18 Sept
LHR07:45London Heathrow
25h 40m
3 stops
ASU05:25Asuncion Silvio Pettirossi
24 Sept
ASU01:45Asuncion Silvio Pettirossi
25h 10m
2 stops
LHR06:55London Heathrow
£899
Find similar
United Airlines
2 Sept
LHR16:40London Heathrow
35h 25m
2 stops
ASU00:05Asuncion Silvio Pettirossi
8 Sept
ASU01:45Asuncion Silvio Pettirossi
49h 55m
2 stops
LHR07:40London Heathrow
£903
Find similar
United Airlines
9 Oct
LHR13:40London Heathrow
38h 21m
2 stops
ASU00:01Asuncion Silvio Pettirossi
20 Oct
ASU01:45Asuncion Silvio Pettirossi
49h 10m
2 stops
LHR06:55London Heathrow
£904
Find similar

Avianca flights from London Heathrow Airport to Asuncion

Our best Avianca deals on London Heathrow Airport to Asuncion flight tickets
Avianca
3 Sept
LHR22:05London Heathrow
34h 35m
1 stop
ASU04:40Asuncion Silvio Pettirossi
24 Sept
ASU08:10Asuncion Silvio Pettirossi
27h 25m
1 stop
LHR15:35London Heathrow
£675
Find similar
Avianca
11 Nov
LHR21:40London Heathrow
34h 35m
1 stop
ASU05:15Asuncion Silvio Pettirossi
2 Dec
ASU06:45Asuncion Silvio Pettirossi
28h 50m
1 stop
LHR14:35London Heathrow
£750
Find similar
Avianca
13 Nov
LHR21:40London Heathrow
34h 35m
1 stop
ASU05:15Asuncion Silvio Pettirossi
2 Dec
ASU06:45Asuncion Silvio Pettirossi
28h 50m
1 stop
LHR14:35London Heathrow
£780
Find similar

momondo Fare Finder

 
Customise your flight search to find flights from London Heathrow Airport to Asuncion 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, momondo users made 279,928 searches. Data last updated 6 August 2025.
Use the filters below to find and compare flights from London Heathrow Airport to Asuncion that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

LondonAsuncion

LHR - ASU

LHRASU

London Heathrow

Wed 3/9

22:05-04:40

1 stop34h 35m

Asuncion Silvio Pettirossi

Wed 24/9

08:10-15:35

1 stop27h 25m

£675

LondonAsuncion

LHR - ASU

LHRASU

London Heathrow

Tue 11/11

21:40-05:15

1 stop34h 35m

Asuncion Silvio Pettirossi

Tue 2/12

06:45-14:35

1 stop28h 50m

£750

LondonAsuncion

LHR - ASU

LHRASU

London Heathrow

Thu 13/11

21:40-05:15

1 stop34h 35m

Asuncion Silvio Pettirossi

Tue 2/12

06:45-14:35

1 stop28h 50m

£780

LondonAsuncion

LHR - ASU

LHRASU

London Heathrow

Tue 19/8

20:55-11:40

2 stops42h 45m

Asuncion Silvio Pettirossi

Sat 6/9

06:31-13:30

2 stops26h 59m

£801

LondonAsuncion

LHR - ASU

LHRASU

London Heathrow

Mon 24/11

20:25-11:30

2 stops42h 05m

Asuncion Silvio Pettirossi

Tue 2/12

12:20-13:45

2 stops22h 25m

£843

LondonAsuncion

LHR - ASU

LHRASU

London Heathrow

Mon 24/11

20:15-12:25

1 stop19h 10m

Asuncion Silvio Pettirossi

Tue 2/12

13:20-14:05

1 stop21h 45m

£848

LondonAsuncion

LHR - ASU

LHRASU

London Heathrow

Wed 12/11

20:15-09:55

1 stop16h 40m

Asuncion Silvio Pettirossi

Thu 27/11

18:30-14:05

1 stop16h 35m

£852

LondonAsuncion

LHR - ASU

LHRASU

London Heathrow

Thu 18/9

07:45-05:25

3 stops25h 40m

Asuncion Silvio Pettirossi

Wed 24/9

01:45-06:55

2 stops25h 10m

£899

LondonAsuncion

LHR - ASU

LHRASU

London Heathrow

Tue 2/9

16:40-00:05

2 stops35h 25m

Asuncion Silvio Pettirossi

Mon 8/9

01:45-07:40

2 stops49h 55m

£903

LondonAsuncion

LHR - ASU

LHRASU

London Heathrow

Thu 9/10

06:15-05:25

2 stops27h 10m

Asuncion Silvio Pettirossi

Tue 21/10

06:32-16:35

2 stops30h 03m

£960

Flights are sorted by cheapest return flights first.

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

See travel insights to Asuncion from

How to get the cheapest flight ticket from London Heathrow Airport to Asuncion

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Asuncion?

In general, March is the cheapest month to fly from London Heathrow Airport to Asuncion. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around £817. If you aren’t able to travel during the month of March, then book flights to Asuncion from London Heathrow Airport during September instead. Flights to Asuncion in September, while not as cheap as those in March, still average around £856.

What is the cheapest day to depart on your flight to Asuncion?

Our data shows that Wednesday is the least expensive day to fly to Asuncion. Tickets to fly out on this day can be as low as £845. Flights from London Heathrow Airport to Asuncion on a Sunday will generally be more expensive and average around £1,041. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

What is the cheapest time of day to depart on your flight to Asuncion?

According to our data, the cheapest time of day to fly to Asuncion is in the afternoon. momondo users have found flights departing from London Heathrow Airport to Asuncion in the afternoon for as low as £871. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Flights to Asuncion are more costly in the evening, with an average ticket price of £958. Departure times in the evening fall within the peak daily travel times, which is why tickets can be more expensive.

When to book flights from London Heathrow Airport to Asuncion

Are you open to changing your travel dates? Check out the ideal times to fly from London Heathrow Airport to Asuncion according to our flight data. Find out which month and days have the cheapest flights.
Estimated return price

Cheap London Heathrow Airport to Asuncion (LHR to ASU) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from London Heathrow Airport to Asuncion

Best price found

£400

Fastest flight time

16h 40m

Direct flights

None

Airports in Asuncion

1 airport
The best one-way flight to Asuncion from London Heathrow Airport in the past 72 hours is £400. The best return flight deal from London Heathrow Airport to Asuncion found on momondo in the last 72 hours is £675.
The fastest flight from London Heathrow Airport to Asuncion takes 16h 40m
There are no direct flights from London Heathrow Airport to Asuncion. Popular non-direct route for this connection is London Heathrow Airport - Asuncion Silvio Pettirossi Airport.
There is 1 airport near Asuncion: Asuncion Silvio Pettirossi (ASU)
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  • How far is London Heathrow to Asuncion Silvio Pettirossi by plane?

    There are 6328.1 mi between London Heathrow and Asuncion Silvio Pettirossi. In terms of flight time, this usually takes a little over 16h 40m.

  • When did momondo last update prices for flights from London Heathrow Airport to Asuncion Silvio Pettirossi Airport?

    Prices for flights from London Heathrow Airport to Asuncion Silvio Pettirossi Airport refresh daily.

  • How many operators does momondo search for flights from London Heathrow Airport to Asuncion Silvio Pettirossi Airport?

  • How old do you have to be to fly from London Heathrow Airport to Asuncion Silvio Pettirossi Airport?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from London Heathrow Airport to Asuncion Silvio Pettirossi Airport.

  • What documentation or ID do you need to fly to Asuncion Silvio Pettirossi Airport?

    The travel and health documents you'll need for your trip to Asuncion Silvio Pettirossi Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Asuncion Silvio Pettirossi Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • What is the most popular airline from London Heathrow Airport to Asuncion?

Best airlines flying from London Heathrow Airport to Asuncion

Compare and see reviews for airlines that fly from London Heathrow Airport to Asuncion with momondo
Airline
Rating
Free Cancellation
Price
LATAM AirlinesPriceFrom £817Free CancellationRating
7.5
1,831 reviews
Search LATAM Airlines flights

Why use momondo?

Why should I use momondo to find a flight deal from London to Asuncion?

It is quick and easy to find London to Asuncion flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Asuncion that suits you.

Can I find flights from London to Asuncion with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to Asuncion from London with this policy.

How can momondo help me find flights from London to Asuncion?

Once you have performed a search for London to Asuncion flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight from London to Asuncion right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to Asuncion from London. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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