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Cheap flights from Asuncion to London Heathrow Airport from £460

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 13/5. Fares are subject to change and may not be available on all flights or dates of travel.
ASU — LHR
10 Apr — 17 Apr1
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 March 2026.

Sat 10/1011:10
ASU
-
LHR
2 stops26h 40m
SWISS
Mon 2/1113:45
LHR
-
ASU
2 stops23h 30m
SWISS
Deal found 8/3£678
Sat 14/1112:05
ASU
-
LHR
2 stops25h 30m
GOL
Sat 28/1106:30
LHR
-
ASU
2 stops31h 45m
GOL
Deal found 10/3£723
Mon 2/1112:05
ASU
-
LHR
2 stops22h 45m
GOL
Fri 20/1106:30
LHR
-
ASU
2 stops31h 45m
GOL
Deal found 10/3£737
Wed 25/303:10
ASU
-
LHR
2 stops53h 05m
SWISS
Wed 8/412:10
LHR
-
ASU
2 stops26h 00m
SWISS
Deal found 6/3£738
Sun 1/1113:15
ASU
-
LHR
2 stops24h 05m
SWISS
Mon 30/1118:40
LHR
-
ASU
2 stops18h 35m
SWISS
Deal found 10/3£740
Sat 16/511:10
ASU
-
LHR
2 stops30h 35m
SWISS
Thu 4/618:40
LHR
-
ASU
2 stops19h 35m
SWISS
Deal found 9/3£763
Wed 23/1213:10
ASU
-
LHR
2 stops24h 10m
SWISS
Sat 16/120:05
LHR
-
ASU
2 stops41h 10m
SWISS
Deal found 7/3£772
Tue 2/612:05
ASU
-
LHR
2 stops24h 30m
GOL
Sat 6/608:40
LHR
-
ASU
2 stops30h 35m
GOL
Deal found 7/3£796

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 March 2026.

Round-trip from

£738

One-way from

£460

Popular in

October

Cheapest in

November

Average price

£889
SWISS
  • SWISS
  • 25/3-8/4
  • 4 total stops
  • 79h 05m total
  • Asuncion to London
Search Deals
Avianca
  • Avianca
  • 13/5
  • 1 total stop
  • 27h 10m total
  • Asuncion to London
Search Deals
Highest demand for flights based on searches. 2% potential increase in price (£19 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease (£34 potential savings vs. average return price).
Search Deals
Average for round-trip flights in March 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 March 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

AsuncionLondon

ASU - LHR

ASULHR

Asuncion Silvio Pettirossi

Wed 25/3

03:10-16:40

3 stops34h 30m

London Heathrow

Wed 8/4

18:40-10:10

2 stops19h 30m

£789

AsuncionLondon

ASU - LHR

ASULHR

Asuncion Silvio Pettirossi

Mon 1/6

18:30-10:20

2 stops35h 50m

London Heathrow

Fri 12/6

21:20-10:15

1 stop16h 55m

£966

AsuncionLondon

ASU - LHR

ASULHR

Asuncion Silvio Pettirossi

Tue 7/4

11:10-19:20

2 stops28h 10m

London Heathrow

Tue 14/4

17:15-10:10

2 stops20h 55m

£974

AsuncionLondon

ASU - LHR

ASULHR

Asuncion Silvio Pettirossi

Mon 20/4

06:33-06:45

2 stops44h 12m

London Heathrow

Tue 28/4

18:00-00:05

2 stops34h 05m

£997
Fastest return journey

AsuncionLondon

ASU - LHR

ASULHR

Asuncion Silvio Pettirossi

Sun 12/7

13:15-17:50

2 stops24h 35m

London Heathrow

Thu 23/7

17:15-10:15

2 stops21h 00m

£1,099

AsuncionLondon

ASU - LHR

ASULHR

Asuncion Silvio Pettirossi

Sun 12/7

02:50-13:00

2 stops30h 10m

London Heathrow

Thu 23/7

18:40-10:15

2 stops19h 35m

£1,111

AsuncionLondon

ASU - LHR

ASULHR

Asuncion Silvio Pettirossi

Sat 11/7

11:10-21:30

3 stops30h 20m

London Heathrow

Wed 22/7

20:05-10:15

2 stops42h 10m

£1,209

AsuncionLondon

ASU - LHR

ASULHR

Asuncion Silvio Pettirossi

Sat 11/7

11:10-21:30

3 stops30h 20m

London Heathrow

Thu 23/7

14:25-10:15

3 stops23h 50m

£1,235
Cheapest one-way

AsuncionLondon

ASU - LHR

ASULHR

Asuncion Silvio Pettirossi

Wed 13/5

08:25-15:35

1 stop27h 10m

£460

AsuncionLondon

ASU - LHR

ASULHR

Asuncion Silvio Pettirossi

Wed 22/4

08:25-15:35

1 stop27h 10m

£508

Flights are sorted by cheapest return flights first.

Deals found on 7/3

Showing 1-10 of 17 resultsSorted by cheapest first
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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, August is the cheapest month in which you can book a flight from Asuncion to London Heathrow Airport (average of £662). Flying from Asuncion to London Heathrow Airport in January is currently the most expensive (average of £1,115). 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 Asuncion to London Heathrow Airport?

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 SWISS and United Airlines fly from Asuncion to London Heathrow Airport in about 34h 30m. The time it takes to get you to your destination can typically vary by up to 9h 42m. 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, August is the cheapest month in which you can book a flight from Asuncion to London Heathrow Airport (average of £662). Flying from Asuncion to London Heathrow Airport in January is currently the most expensive (average of £1,115). 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
Milton Keynes
Wembley
Croydon
Northampton
Luton
Hounslow
Slough
Gatwick
Ilford
Hayes
Brentford
Colchester
Guildford
Watford
Kingston upon Thames
Chelmsford
Eastbourne
Ipswich
Swindon
Bedford

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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 Stansted flights
Asuncion to Gatwick 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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