Cheap flights from London to Asuncion from £426

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 12/3. Fares are subject to change and may not be available on all flights or dates of travel.
LON — ASU
18 Dec — 25 Dec1
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 18 November 2025.

Sun 30/1108:00LGW - ASU
2 stops26h 30mMultiple Airlines
Tue 2/1213:55ASU - LGW
1 stop23h 30mMultiple Airlines
Deal found 16/11£1,077
Sun 30/1110:00LGW - ASU
1 stop24h 30mAir Europa
Tue 2/1213:55ASU - LGW
1 stop23h 30mAir Europa
Deal found 15/11£1,092
Thu 4/1221:40LHR - ASU
1 stop34h 35mAvianca
Thu 18/1208:20ASU - LHR
1 stop27h 15mAvianca
Deal found 15/11£1,102
Thu 4/1209:55LHR - ASU
3 stops27h 15mMultiple Airlines
Thu 18/1208:20ASU - LHR
1 stop27h 15mMultiple Airlines
Deal found 15/11£1,118
Sun 30/1112:25LHR - ASU
3 stops22h 05mMultiple Airlines
Tue 2/1208:20ASU - LHR
1 stop27h 15mMultiple Airlines
Deal found 15/11£1,204
Thu 4/1206:30LGW - ASU
3 stops30h 40mMultiple Airlines
Thu 18/1208:20ASU - LGW
2 stops34h 40mMultiple Airlines
Deal found 15/11£1,204
Thu 4/1219:05LCY - ASU
2 stops44h 20mMultiple Airlines
Wed 17/1203:10ASU - LCY
2 stops34h 00mMultiple Airlines
Deal found 15/11£1,528
Thu 4/1207:45LCY - ASU
2 stops24h 45mKLM
Thu 18/1206:33ASU - LCY
2 stops31h 47mKLM
Deal found 15/11£1,712
Sat 13/1208:40LCY - ASU
2 stops53h 50mKLM
Sat 20/1206:33ASU - LCY
2 stops47h 17mKLM
Deal found 15/11£1,800
Tue 30/1216:40LCY - ASU
3 stops33h 50mMultiple Airlines
Tue 6/112:20ASU - LCY
2 stops24h 50mMultiple Airlines
Deal found 15/11£1,848
Sat 13/1212:20LCY - ASU
2 stops48h 50mMultiple Airlines
Sat 20/1213:20ASU - LCY
2 stops23h 50mMultiple Airlines
Deal found 15/11£1,862
Sun 30/1117:40LCY - ASU
2 stops19h 30mMultiple Airlines
Tue 2/1212:20ASU - LCY
2 stops21h 35mMultiple Airlines
Deal found 17/11£1,889

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 18 November 2025.

Round-trip from

£774

One-way from

£426

Popular in

December

Cheapest in

March

Average price

£795
SWISS
  • SWISS
  • 18/3-22/3
  • 4 total stops
  • 54h 25m total
  • London to Asuncion
12/3
  • 12/3
  • 3 total stops
  • 48h 50m total
  • London to Asuncion
Highest demand for flights based on searches. 5% potential increase in price (£39 potential increase over avg. return price).
Cheapest flight prices on average. 2% potential price decrease (£21 potential savings vs. average return price).
Average for round-trip flights in November 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 18 November 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

LCY - ASU

LCYASU

London City

Wed 18/3

09:50-10:55

2 stops28h 05m

Asuncion Silvio Pettirossi

Sun 22/3

13:20-18:40

2 stops26h 20m

£774

LondonAsuncion

LGW - ASU

LGWASU

London Gatwick

Wed 18/3

18:40-10:10

2 stops18h 30m

Asuncion Silvio Pettirossi

Sun 22/3

13:20-17:50

2 stops25h 30m

£785

LondonAsuncion

LCY - ASU

LCYASU

London City

Wed 18/3

09:20-10:10

2 stops27h 50m

Asuncion Silvio Pettirossi

Sun 22/3

13:20-18:40

2 stops26h 20m

£806

LondonAsuncion

LCY - ASU

LCYASU

London City

Thu 12/3

13:30-10:10

2 stops23h 40m

Asuncion Silvio Pettirossi

Wed 18/3

03:10-08:00

2 stops49h 50m

£811

LondonAsuncion

LHR - ASU

LHRASU

London Heathrow

Thu 12/3

07:00-10:10

3 stops30h 10m

Asuncion Silvio Pettirossi

Wed 18/3

03:10-13:00

2 stops30h 50m

£814

LondonAsuncion

LHR - ASU

LHRASU

London Heathrow

Mon 2/3

15:55-10:10

2 stops45h 15m

Asuncion Silvio Pettirossi

Mon 16/3

18:30-14:05

1 stop16h 35m

£841

LondonAsuncion

LGW - ASU

LGWASU

London Gatwick

Thu 12/3

11:45-10:10

2 stops25h 25m

Asuncion Silvio Pettirossi

Wed 18/3

03:10-13:50

2 stops31h 40m

£845

LondonAsuncion

LHR - ASU

LHRASU

London Heathrow

Thu 12/3

21:40-05:15

1 stop34h 35m

Asuncion Silvio Pettirossi

Thu 19/3

08:20-11:00

2 stops23h 40m

£850

LondonAsuncion

LCY - ASU

LCYASU

London City

Thu 12/3

19:10-10:10

2 stops18h 00m

Asuncion Silvio Pettirossi

Thu 19/3

11:45-09:20

2 stops18h 35m

£851

LondonAsuncion

LHR - ASU

LHRASU

London Heathrow

Wed 4/3

20:15-10:10

1 stop16h 55m

Asuncion Silvio Pettirossi

Sun 8/3

13:20-14:05

1 stop21h 45m

£868

Flights are sorted by cheapest return flights first.

Deals found on 16/11

Showing 1-10 of 44 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 14 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 £634). Flying from London to Asuncion in July is currently the most expensive (average of £1,190). 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’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 58% 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 £777.

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 01m.

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 18 November 2025.
See what other customers who have flown with KLM, LATAM Airlines, andUnited Airlines 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.

Food

7.3

Overall

7.7

Crew

8.4

Entertainment

7.1

Boarding

7.8

Comfort

7.7

Reviews

1 / 20
2.0
Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.

Food

7.3

Overall

7.7

Crew

8.4

Entertainment

7.1

Boarding

7.8

Comfort

7.7

Reviews

1 / 20
2.0
Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.

Food

7.3

Overall

7.7

Crew

8.4

Entertainment

7.1

Boarding

7.8

Comfort

7.7

Reviews

1 / 20
2.0
Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.

Food

7.3

Overall

7.7

Crew

8.4

Entertainment

7.1

Boarding

7.8

Comfort

7.7

Reviews

1 / 20
2.0
Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.

Food

7.3

Overall

7.7

Crew

8.4

Entertainment

7.1

Boarding

7.8

Comfort

7.7

Reviews

1 / 20
2.0
Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.

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 1 airline has 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 17h 05m. The distance from London to Asuncion is about 6317 mi. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

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

    Our cheapest airline available from London to Asuncion is LATAM Airlines. Our recent data shows that you can find tickets from as low as £791 on this airline. This flight start at 19% lower than the current average price 3 months from now.

  • What are the cheapest airlines to fly from London to Asuncion one-way?

    One-way options have recently been found by users for as low as £500 on LATAM Airlines. Other airlines that offer cheap prices include SWISS from £518 and KLM from £546 one-way.

  • 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 £634). Flying from London to Asuncion in July is currently the most expensive (average of £1,190). 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 airline flying from London to Asuncion

Discover the top airline 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 18 November 2025.
AirlineCheapestAverageFlexibilityOn-time
LATAM AirlinesCheapest£791Average£1,056FlexibilityNo cancel feeOn-time81%
Search LATAM Airlines flights

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

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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.

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