Cheap flights from London to Asuncion from £420

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 3/2. Fares are subject to change and may not be available on all flights or dates of travel.
LON — ASU
1 Jan — 8 Jan1
1 adult
1 adult, Economy, 0 bags

Cheapflights Tip: The best prices from London to Asuncion Silvio Pettirossi are usually found in March or November, booked 25 days in advance, depart on a Wednesday or Friday and return on a Thursday

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Cheapest flights from London to Asuncion
Explore the most affordable flight options available from London to Asuncion. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 2 December 2025.

Tue 2/1217:25LGW - ASU
1 stop17h 05mAir Europa
Fri 5/1213:50ASU - LGW
1 stop23h 35mAir Europa
Deal found 30/11£1,147
Tue 2/1217:25LGW - ASU
2 stops22h 00mMultiple Airlines
Fri 5/1213:50ASU - LGW
1 stop23h 35mMultiple Airlines
Deal found 30/11£1,240
Tue 2/1208:15LHR - ASU
3 stops31h 10mMultiple Airlines
Fri 5/1211:05ASU - LHR
3 stops28h 50mMultiple Airlines
Deal found 30/11£1,342
Tue 2/1220:15LHR - ASU
1 stop30h 15mLATAM Airlines
Fri 5/1211:05ASU - LHR
2 stops24h 00mLATAM Airlines
Deal found 30/11£1,514
Sat 20/1210:00LGW - ASU
1 stop24h 30mAir Europa
Sat 27/1213:50ASU - LGW
1 stop16h 10mAir Europa
Deal found 30/11£1,912
Sun 28/1210:00LGW - ASU
1 stop24h 30mAir Europa
Sun 11/113:50ASU - LGW
1 stop16h 10mAir Europa
Deal found 30/11£2,559
Sat 20/1220:15LHR - ASU
1 stop19h 10mLATAM Airlines
Sat 27/1213:20ASU - LHR
1 stop21h 45mLATAM Airlines
Deal found 30/11£2,584
Sat 20/1210:00LCY - ASU
2 stops28h 30mKLM
Sat 27/1206:33ASU - LCY
2 stops34h 02mKLM
Deal found 30/11£2,596
Sat 20/1206:20LHR - ASU
2 stops32h 10mMultiple Airlines
Sat 27/1206:33ASU - LHR
2 stops33h 42mMultiple Airlines
Deal found 30/11£2,792
Sat 20/1217:25LGW - ASU
2 stops21h 05mMultiple Airlines
Sat 27/1206:33ASU - LGW
2 stops37h 02mMultiple Airlines
Deal found 30/11£2,887
Sun 28/1219:05LHR - ASU
2 stops38h 10mLATAM Airlines
Sun 11/113:20ASU - LHR
2 stops22h 35mLATAM Airlines
Deal found 30/11£3,105
Sun 28/1219:40LGW - ASU
2 stops37h 35mMultiple Airlines
Sun 11/118:30ASU - LGW
2 stops21h 30mMultiple Airlines
Deal found 30/11£3,126

Cheap flight deals from London to Asuncion

Discover tips and strategies to find the most affordable flight options for your journey from London (LON) to Asuncion (ASU). 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 2 December 2025.

Round-trip from

£708

One-way from

£420

Popular in

December

Cheapest in

March

Average price

£1,266
27/4-9/5
  • 27/4-9/5
  • 4 total stops
  • 55h 20m total
  • London to Asuncion
3/2
  • 3/2
  • 2 total stops
  • 42h 20m total
  • London to Asuncion
Highest demand for flights based on searches. 4% potential increase in price (£38 potential increase over avg. return price).
Cheapest flight prices on average. 2% potential price decrease (£20 potential savings vs. average return price).
Average for round-trip flights in December 2025

Cheapflights Fare Finder

 
Customise your flight search to find flights from London 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, Cheapflights users made 858,174 searches. Data last updated 2 December 2025.
Use the filters below to find and compare flights from London to Asuncion that are best for you.

Fly from

London

Fly to

Asuncion

Route

Depart

Return

Price

LondonAsuncion

LHR - ASU

LHRASU

London Heathrow

Wed 29/4

22:05-04:40

1 stop34h 35m

Asuncion Silvio Pettirossi

Sun 10/5

08:10-15:35

1 stop27h 25m

£803

LondonAsuncion

LHR - ASU

LHRASU

London Heathrow

Mon 9/3

20:15-12:25

1 stop19h 10m

Asuncion Silvio Pettirossi

Mon 23/3

18:30-14:05

1 stop16h 35m

£819

LondonAsuncion

LHR - ASU

LHRASU

London Heathrow

Mon 2/3

20:15-23:30

1 stop30h 15m

Asuncion Silvio Pettirossi

Mon 16/3

18:30-14:05

1 stop16h 35m

£850

LondonAsuncion

LHR - ASU

LHRASU

London Heathrow

Tue 28/4

18:45-10:15

2 stops19h 30m

Asuncion Silvio Pettirossi

Sun 10/5

13:10-15:05

1 stop21h 55m

£850

LondonAsuncion

LHR - ASU

LHRASU

London Heathrow

Mon 27/4

17:00-10:15

2 stops21h 15m

Asuncion Silvio Pettirossi

Sun 10/5

13:10-15:05

1 stop21h 55m

£850

LondonAsuncion

LHR - ASU

LHRASU

London Heathrow

Wed 4/3

20:15-10:30

1 stop17h 15m

Asuncion Silvio Pettirossi

Sun 8/3

18:30-14:05

1 stop16h 35m

£853

LondonAsuncion

LGW - ASU

LGWASU

London Gatwick

Tue 28/4

10:00-06:25

1 stop24h 25m

Asuncion Silvio Pettirossi

Tue 12/5

12:50-16:25

1 stop23h 35m

£859

LondonAsuncion

LHR - ASU

LHRASU

London Heathrow

Mon 9/3

16:20-05:32

2 stops40h 12m

Asuncion Silvio Pettirossi

Mon 23/3

06:42-06:20

2 stops44h 38m

£861

LondonAsuncion

LHR - ASU

LHRASU

London Heathrow

Mon 2/3

16:20-00:15

2 stops34h 55m

Asuncion Silvio Pettirossi

Mon 16/3

06:42-07:55

2 stops46h 13m

£861

LondonAsuncion

LGW - ASU

LGWASU

London Gatwick

Thu 19/3

17:25-07:30

1 stop17h 05m

Asuncion Silvio Pettirossi

Mon 23/3

13:50-16:25

1 stop23h 35m

£898

Flights are sorted by cheapest return flights first.

Deals found on 1/12

Showing 1-10 of 53 results
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Best time to book a flight from London to Asuncion

Have a flexible travel schedule? Discover the best time to fly to Asuncion from London 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 London to Asuncion

How far ahead should I book a flight from London to Asuncion?

Use this chart to determine the optimal time to book a return flight from London to Asuncion. Price data was last updated on 28 November 2025.

Booking 25 days in advance of your planned departure date is, on average, the best time to get cheap flights from London to Asuncion. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

What is the cheapest month to book a flight from London to Asuncion?

Currently, March is the cheapest month in which you can book a flight from London to Asuncion (average of £631). Flying from London to Asuncion in July is currently the most expensive (average of £1,184). 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 London to Asuncion?

What’s the top stopover airport for flights from London to Asuncion?

Share of one-stop return flights from London to Asuncion chosen by Cheapflights users in the past 12 months, using the same stopover each way.

Madrid (MAD) – chosen by Cheapflights users on 60% of one-stop itineraries from London to Asuncion on Cheapflights.

What’s the cheapest stopover airport for flights from London to Asuncion?

Average return fare for one-stop flights from London to Asuncion, chosen by Cheapflights users in the past 12 months, with the same stopover each way.

Madrid (MAD) is the most affordable one-stop option, with an average return flight price of £773.

What’s the fastest stopover option from London to Asuncion?

Shortest average travel time for one-stop one-way flights from London to Asuncion, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by stopover airport.

Flights via Madrid (MAD) have the shortest average one-way travel time for one-stop routes: 17h 36m.

Which airport typically offers the quickest stopover for flights from London to Asuncion?

Average stopover duration for one-stop one-way flights from London to Asuncion, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.

Flights via Madrid (MAD) offer the fastest connection on this route, with an average stopover time of 3h 02m.

Reviews of airlines servicing Asuncion

Get insights into the airlines that provide service to Asuncion. 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 Asuncion. Reviews last updated 2 December 2025.
See what other customers who have flown with LATAM Airlines, United Airlines, andAir Europa from London to Asuncion have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

Overall

7.5

Food

6.7

Comfort

7.3

Crew

8.0

Entertainment

7.0

Boarding

7.6

Reviews

1 / 20
8.0
Excellent

LUIS JOSE,Oct 2025

LIM - AEP

Smiles because se upgraded to premiums economy. That was similar to LAN economy years ahí!

Overall

7.5

Food

6.7

Comfort

7.3

Crew

8.0

Entertainment

7.0

Boarding

7.6

Reviews

1 / 20
8.0
Excellent

LUIS JOSE,Oct 2025

LIM - AEP

Smiles because se upgraded to premiums economy. That was similar to LAN economy years ahí!

Overall

7.5

Food

6.7

Comfort

7.3

Crew

8.0

Entertainment

7.0

Boarding

7.6

Reviews

1 / 20
8.0
Excellent

LUIS JOSE,Oct 2025

LIM - AEP

Smiles because se upgraded to premiums economy. That was similar to LAN economy years ahí!

Overall

7.5

Food

6.7

Comfort

7.3

Crew

8.0

Entertainment

7.0

Boarding

7.6

Reviews

1 / 20
8.0
Excellent

LUIS JOSE,Oct 2025

LIM - AEP

Smiles because se upgraded to premiums economy. That was similar to LAN economy years ahí!

Related info for your journey

Find useful and relevant information for your journey from London to Asuncion. 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 into for flights to Asuncion from London?

    Asuncion Silvio Pettirossi (ASU) is the airport you will fly into if you book a flight from London to Asuncion. You should not have trouble finding flights to Silvio Pettirossi from London; the airport handles an average of 0 inbound flights from London per day. You should also have plenty of airline options to choose from since 2 airlines have flights to the Asuncion airport from London. It is only a 7.8 mi journey from Silvio Pettirossi (ASU) to Asuncion’s city center.

  • How long is the flight from London to Asuncion?

    Departing from London to Asuncion will take you 19h 10m. The distance from London 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 are the cheapest airlines flying from London to Asuncion round-trip?

    Our cheapest airline available from London to Asuncion is Air Europa. Our recent data shows that you can find tickets from as low as £759 on this airline. An additional option worth looking into is LATAM Airlines, starting at £821. These flights start at 22% lower than the current average price 3 months from now.

  • What are the most popular routes from London to Asuncion?

  • Can I find deals for flights from London to Asuncion that include hotel bookings?

    Yes. In addition to deals on London to Asuncion flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from London to Asuncion?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from London to Asuncion.

  • Can I find deals for business class flights from London to Asuncion?

    Yes. Cheapflights offers flight deals from London 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 to Asuncion?

    Currently, March is the cheapest month in which you can book a flight from London to Asuncion (average of £631). Flying from London to Asuncion in July is currently the most expensive (average of £1,184). 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

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Alternative routes for London to Asuncion

See prices for flight routes from nearby airports that may be better suited for you.

Top 2 airlines flying from London to Asuncion

Discover the top 2 airlines that operate flights from London to Asuncion. 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 2 December 2025.
AirlineCheapestAverageFlexibilityOn-time
Air EuropaCheapest£759Average£863FlexibilityNo cancel feeOn-time83%
Search Air Europa flights
LATAM AirlinesCheapest£821Average£1,027FlexibilityNo cancel feeOn-time81%
Search LATAM Airlines flights

Fly with Cheapflights

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How does Cheapflights help users find flights from London to Asuncion?

Deals for London to Asuncion flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

Why should you use Cheapflights to find cheap flight tickets from London to Asuncion?

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Can Cheapflights find flights from London to Asuncion with no change fees?

Need flexible booking options for your flight to Asuncion from London? 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 London to Asuncion become cheaper?

Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and provide a valid email address to enable Price Alerts. That’s it!

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