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Cheap flights from Asuncion to London Heathrow Airport from £421

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 20/7. Fares are subject to change and may not be available on all flights or dates of travel.
ASU — LHR
11 Jun — 18 Jun1
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 May 2026.

Tue 9/611:25
ASU
-
LHR
2 stops26h 25m
Multiple Airlines
Tue 16/607:30
LHR
-
ASU
2 stops31h 05m
Multiple Airlines
Deal found 11/5£745
Wed 28/1012:05
ASU
-
LHR
2 stops22h 45m
GOL
Wed 18/1106:30
LHR
-
ASU
2 stops31h 45m
GOL
Deal found 9/5£751
Wed 17/602:50
ASU
-
LHR
2 stops39h 20m
Multiple Airlines
Sun 13/906:00
LHR
-
ASU
2 stops32h 35m
Multiple Airlines
Deal found 10/5£760
Tue 4/811:10
ASU
-
LHR
2 stops40h 45m
Multiple Airlines
Tue 25/819:10
LHR
-
ASU
2 stops32h 45m
Multiple Airlines
Deal found 8/5£837
Wed 17/602:50
ASU
-
LHR
3 stops49h 25m
SWISS
Sun 13/920:05
LHR
-
ASU
2 stops42h 30m
SWISS
Deal found 10/5£839
Thu 22/1012:05
ASU
-
LHR
2 stops24h 10m
GOL
Mon 2/1119:20
LHR
-
ASU
2 stops42h 55m
GOL
Deal found 8/5£858
Sun 9/813:15
ASU
-
LHR
2 stops21h 25m
Multiple Airlines
Sun 6/906:00
LHR
-
ASU
2 stops32h 30m
Multiple Airlines
Deal found 12/5£863
Sun 9/813:15
ASU
-
LHR
2 stops26h 05m
SWISS
Sat 5/906:00
LHR
-
ASU
2 stops32h 30m
SWISS
Deal found 12/5£869
Sun 25/1018:30
ASU
-
LHR
1 stop16h 35m
Multiple Airlines
Sun 1/1121:40
LHR
-
ASU
1 stop34h 35m
Multiple Airlines
Deal found 10/5£870
Tue 4/811:10
ASU
-
LHR
2 stops29h 30m
Lufthansa
Tue 25/820:25
LHR
-
ASU
2 stops31h 30m
Lufthansa
Deal found 11/5£873

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 May 2026.

Round-trip from

£745

One-way from

£421

Popular in

October

Cheapest in

November

Average price

£878
Lufthansa
  • Lufthansa
  • 9/6-16/6
  • 4 total stops
  • 57h 30m total
  • Asuncion to London
Search Deals
LATAM Airlines
  • LATAM Airlines
  • 20/7
  • 1 total stop
  • 16h 35m total
  • Asuncion to London
Search Deals
Highest demand for flights based on searches. 4% potential increase in price (£37 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 May 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 12 May 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
Fastest return journey

AsuncionLondon

ASU - LHR

ASULHR

Asuncion Silvio Pettirossi

Sun 25/10

13:15-13:00

2 stops20h 45m

London Heathrow

Sun 1/11

09:00-10:15

3 stops28h 15m

£940

AsuncionLondon

ASU - LHR

ASULHR

Asuncion Silvio Pettirossi

Tue 11/8

11:10-13:00

2 stops21h 50m

London Heathrow

Sun 6/9

08:55-10:30

3 stops29h 35m

£945

AsuncionLondon

ASU - LHR

ASULHR

Asuncion Silvio Pettirossi

Sun 9/8

13:15-16:35

3 stops23h 20m

London Heathrow

Mon 7/9

07:00-10:35

3 stops31h 35m

£971

AsuncionLondon

ASU - LHR

ASULHR

Asuncion Silvio Pettirossi

Sun 2/8

13:15-16:35

3 stops23h 20m

London Heathrow

Sat 15/8

20:05-10:35

2 stops42h 30m

£985

AsuncionLondon

ASU - LHR

ASULHR

Asuncion Silvio Pettirossi

Wed 10/6

02:50-21:30

3 stops38h 40m

London Heathrow

Thu 18/6

18:40-10:35

2 stops19h 55m

£986

AsuncionLondon

ASU - LHR

ASULHR

Asuncion Silvio Pettirossi

Tue 26/5

11:25-21:30

3 stops30h 05m

London Heathrow

Mon 8/6

20:05-10:35

2 stops42h 30m

£1,031

AsuncionLondon

ASU - LHR

ASULHR

Asuncion Silvio Pettirossi

Sun 1/11

13:15-13:00

2 stops20h 45m

London Heathrow

Sun 15/11

07:00-10:15

3 stops30h 15m

£1,042

AsuncionLondon

ASU - LHR

ASULHR

Asuncion Silvio Pettirossi

Sat 31/10

11:10-16:40

3 stops26h 30m

London Heathrow

Sun 8/11

09:00-10:15

3 stops28h 15m

£1,109
Cheapest one-way

AsuncionLondon

ASU - LHR

ASULHR

Asuncion Silvio Pettirossi

Sun 19/7

13:15-15:05

1 stop21h 50m

£498

AsuncionLondon

ASU - LHR

ASULHR

Asuncion Silvio Pettirossi

Tue 21/7

12:50-16:20

1 stop23h 30m

£523

Flights are sorted by cheapest return flights first.

Deals found on 12/5

Showing 1-10 of 15 resultsSorted by cheapest first
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, November is the cheapest month in which you can book a flight from Asuncion to London Heathrow Airport (average of £700). Flying from Asuncion to London Heathrow Airport in October is currently the most expensive (average of £1,504). 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 fly from Asuncion to London Heathrow Airport in about 21h 50m. 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.

  • 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, November is the cheapest month in which you can book a flight from Asuncion to London Heathrow Airport (average of £700). Flying from Asuncion to London Heathrow Airport in October is currently the most expensive (average of £1,504). 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
Hounslow
Croydon
Wembley
Northampton
Luton
Gatwick
Slough
Ilford
Hayes
Brentford
Colchester
Romford
Watford
Kingston upon Thames
Eastbourne
Swindon
Ipswich
Southend-on-Sea
Guildford

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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

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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