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Cheap flights from Asuncion to London Heathrow Airport from £354

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
11 Jan — 18 Jan1
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 12 December 2025.

Mon 22/1212:20ASU - LHR
2 stops22h 30mGOL
Sat 10/119:20LHR - ASU
2 stops19h 10mGOL
Deal found 10/12£1,276
Mon 22/1212:20ASU - LHR
2 stops25h 40mKLM
Sat 10/106:30LHR - ASU
2 stops26h 07mKLM
Deal found 11/12£1,314
Mon 22/1218:30ASU - LHR
1 stop16h 35mLATAM Airlines
Sat 10/120:15LHR - ASU
1 stop19h 10mLATAM Airlines
Deal found 10/12£1,356
Sun 14/1213:50ASU - LHR
1 stop22h 05mMultiple Airlines
Tue 16/1215:45LHR - ASU
1 stop18h 45mMultiple Airlines
Deal found 10/12£3,281
Sat 13/1213:20ASU - LHR
2 stops24h 55mMultiple Airlines
Tue 16/1209:15LHR - ASU
1 stop25h 15mMultiple Airlines
Deal found 10/12£3,306

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 12 December 2025.

Round-trip from

£742

One-way from

£354

Popular in

October

Cheapest in

April

Average price

£964
LATAM Airlines
  • LATAM Airlines
  • 8/3-13/3
  • 2 total stops
  • 35h 45m total
  • Asuncion to London
Search Deals
Avianca
  • Avianca
  • 13/5
  • 1 total stop
  • 27h 25m total
  • Asuncion to London
Search Deals
Highest demand for flights based on searches. 7% potential increase in price (£57 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease (£38 potential savings vs. average return price).
Search Deals
Average for round-trip flights in December 2025
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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 12 December 2025.
Use the filters below to find and compare flights from Asuncion to London Heathrow Airport that are best for you.

Fly from

Asuncion

Fly to

Heathrow

Route

Depart

Return

Price

AsuncionLondon

ASU - LHR

ASULHR

Asuncion Silvio Pettirossi

Sun 8/3

18:30-14:05

1 stop16h 35m

London Heathrow

Fri 13/3

20:15-12:25

1 stop19h 10m

£742

AsuncionLondon

ASU - LHR

ASULHR

Asuncion Silvio Pettirossi

Wed 1/4

08:10-20:05

2 stops31h 55m

London Heathrow

Fri 10/4

20:50-04:40

2 stops35h 50m

£782

AsuncionLondon

ASU - LHR

ASULHR

Asuncion Silvio Pettirossi

Mon 23/2

08:25-22:10

2 stops34h 45m

London Heathrow

Sun 8/3

06:15-10:30

2 stops31h 15m

£816

AsuncionLondon

ASU - LHR

ASULHR

Asuncion Silvio Pettirossi

Mon 23/2

12:20-17:00

2 stops25h 40m

London Heathrow

Sun 8/3

19:20-11:30

2 stops19h 10m

£857

AsuncionLondon

ASU - LHR

ASULHR

Asuncion Silvio Pettirossi

Thu 5/2

12:20-13:50

2 stops22h 30m

London Heathrow

Thu 19/2

06:30-11:30

2 stops32h 00m

£875

AsuncionLondon

ASU - LHR

ASULHR

Asuncion Silvio Pettirossi

Sun 1/2

12:20-16:35

2 stops25h 15m

London Heathrow

Mon 9/2

10:00-05:32

2 stops22h 32m

£875

AsuncionLondon

ASU - LHR

ASULHR

Asuncion Silvio Pettirossi

Sun 1/3

18:30-14:05

1 stop16h 35m

London Heathrow

Wed 1/4

21:20-10:15

1 stop16h 55m

£875

AsuncionLondon

ASU - LHR

ASULHR

Asuncion Silvio Pettirossi

Thu 7/5

11:05-15:05

2 stops24h 00m

London Heathrow

Mon 11/5

06:35-23:55

2 stops21h 20m

£910

AsuncionLondon

ASU - LHR

ASULHR

Asuncion Silvio Pettirossi

Fri 20/2

06:42-10:15

2 stops48h 33m

London Heathrow

Fri 27/2

11:35-00:15

2 stops39h 40m

£912

AsuncionLondon

ASU - LHR

ASULHR

Asuncion Silvio Pettirossi

Fri 20/2

18:30-17:30

2 stops20h 00m

London Heathrow

Fri 27/2

20:15-12:25

1 stop19h 10m

£922

Flights are sorted by cheapest return flights first.

Deals found on 10/12

Showing 1-10 of 15 results
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, April is the cheapest month in which you can book a flight from Asuncion to London Heathrow Airport (average of £594). Flying from Asuncion to London Heathrow Airport in October is currently the most expensive (average of £1,063). 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.

What is the cheapest time of day to fly from ASU to LHR?

Find hourly flight availability from Asuncion to Heathrow. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 12 December 2025.

It’s typically best to fly out from Asuncion to London Heathrow Airport in the morning. Doing so could potentially save you 10% on the flight price compared to flying in the evening, which is usually more expensive.

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

Reviews of airlines servicing Heathrow

Get insights into the airlines that provide service to Heathrow. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Heathrow. Reviews last updated 12 December 2025.
Read through reviews of airlines operating flights from Asuncion to London Heathrow Airport, such as LATAM Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
LATAM Airlines
7.5
Good
1,887 reviews
Check prices

Boarding

7.6

Food

6.7

Entertainment

7.0

Crew

8.1

Comfort

7.4

Overall

7.5

Reviews

1 / 20
2.0
Mediocre

Anonymous,Oct 2025

MIA - GRU

Terrible baggage service! Almost lost my connection flight in SP
LATAM Airlines
7.5
Good
1,887 reviews
LATAM Airlines
7.5
Good
1,887 reviews
Check prices

Boarding

7.6

Food

6.7

Entertainment

7.0

Crew

8.1

Comfort

7.4

Overall

7.5

Reviews

1 / 20
2.0
Mediocre

Anonymous,Oct 2025

MIA - GRU

Terrible baggage service! Almost lost my connection flight in SP

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 1 airline.

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

    Airlines like LATAM Airlines fly from Asuncion to London Heathrow Airport in about 16h 35m. The time it takes to get you to your destination can typically vary by up to . The distance from Asuncion to London Heathrow Airport is about 6322 mi.

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

    LATAM Airlines, at £744, was found to be the cheapest airline from Asuncion to London Heathrow Airport.. This flight start at 23% lower than the current average price 3 months from now.

  • 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, April is the cheapest month in which you can book a flight from Asuncion to London Heathrow Airport (average of £594). Flying from Asuncion to London Heathrow Airport in October is currently the most expensive (average of £1,063). 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
Croydon
Slough
Northampton
Hounslow
Luton
Gatwick
Wembley
Ilford
Brentford
Colchester
Watford
Hayes
Crawley
Winchester
Swindon
Deal
Bedford
Romford
Chichester

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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

Top airline flying from Asuncion to Heathrow

Discover the top airline that operate flights from Asuncion to Heathrow. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 12 December 2025.
AirlineCheapestAverageFlexibilityOn-time
LATAM AirlinesCheapest£744Average£1,168FlexibilityNo cancel feeOn-time81%
Search LATAM Airlines flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

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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