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Cheap flights from Asuncion to London from £419

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 10/6. Fares are subject to change and may not be available on all flights or dates of travel.
ASU — LON
19 Apr — 26 Apr1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Asuncion to London

Enter your travel dates to find the best prices.

Cheapest flights from Asuncion to London
Explore the most affordable flight options available from Asuncion to London. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 20 March 2026.

Wed 27/513:10
ASU
-
LHR
2 stops23h 15m
SWISS
Sun 7/606:00
LHR
-
ASU
2 stops32h 15m
SWISS
Deal found 19/3£664
Tue 26/511:10
ASU
-
LHR
2 stops25h 15m
SWISS
Mon 8/618:40
LHR
-
ASU
2 stops19h 35m
SWISS
Deal found 19/3£680
Tue 26/511:10
ASU
-
LGW
2 stops26h 40m
SWISS
Mon 8/618:35
LGW
-
ASU
2 stops19h 40m
SWISS
Deal found 19/3£685
Wed 27/513:10
ASU
-
LGW
2 stops24h 45m
SWISS
Sun 7/618:35
LGW
-
ASU
2 stops19h 40m
SWISS
Deal found 19/3£693
Tue 26/511:10
ASU
-
LHR
3 stops25h 25m
SWISS
Sat 6/620:05
LHR
-
ASU
2 stops42h 10m
SWISS
Deal found 19/3£703
Tue 26/511:10
ASU
-
LCY
2 stops26h 15m
SWISS
Mon 8/613:10
LCY
-
ASU
2 stops25h 05m
SWISS
Deal found 19/3£704
Tue 26/511:10
ASU
-
LGW
2 stops26h 40m
SWISS
Sun 7/618:35
LGW
-
ASU
2 stops19h 40m
SWISS
Deal found 19/3£715
Tue 26/511:10
ASU
-
LHR
2 stops25h 15m
SWISS
Sun 7/618:40
LHR
-
ASU
2 stops19h 35m
SWISS
Deal found 19/3£716
Wed 27/502:50
ASU
-
LHR
3 stops38h 40m
SWISS
Mon 8/618:40
LHR
-
ASU
2 stops19h 35m
SWISS
Deal found 19/3£733
Wed 27/513:10
ASU
-
LCY
2 stops24h 15m
SWISS
Mon 8/618:00
LCY
-
ASU
2 stops20h 15m
SWISS
Deal found 19/3£735
Wed 27/513:10
ASU
-
LHR
2 stops19h 50m
SWISS
Sat 6/620:05
LHR
-
ASU
2 stops42h 10m
SWISS
Deal found 19/3£738
Wed 10/612:05
ASU
-
LHR
2 stops24h 10m
GOL
Sun 13/919:45
LHR
-
ASU
2 stops43h 30m
GOL
Deal found 17/3£741

Find flight deals from Asuncion to London

Discover tips and strategies to find the most affordable flight options for your journey from Asuncion (ASU) to London (LON). 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 20 March 2026.

Round-trip from

£664

One-way from

£419

Popular in

June

Cheapest in

February

Average price

£772
SWISS
  • SWISS
  • 27/5-7/6
  • 4 total stops
  • 55h 30m total
  • Asuncion to London
Search Deals
Avianca
  • Avianca
  • 10/6
  • 1 total stop
  • 27h 10m total
  • Asuncion to London
Search Deals
Highest demand for flights based on searches. 8% potential increase in price (£62 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (£17 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 London 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 20 March 2026.
Use the filters below to find and compare flights from Asuncion to London that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

AsuncionLondon

ASU - LHR

ASULHR

Asuncion Silvio Pettirossi

Wed 27/5

13:10-18:30

3 stops25h 20m

London Heathrow

Sun 7/6

08:55-10:15

3 stops29h 20m

£728

AsuncionLondon

ASU - LHR

ASULHR

Asuncion Silvio Pettirossi

Wed 27/5

13:10-16:35

3 stops23h 25m

London Heathrow

Sat 6/6

19:15-10:15

3 stops43h 00m

£734

AsuncionLondon

ASU - LCY

ASULCY

Asuncion Silvio Pettirossi

Wed 27/5

13:10-17:25

2 stops24h 15m

London City

Mon 8/6

18:00-10:15

2 stops20h 15m

£735

AsuncionLondon

ASU - LGW

ASULGW

Asuncion Silvio Pettirossi

Tue 26/5

11:10-17:50

2 stops26h 40m

London Gatwick

Sat 6/6

18:35-10:15

2 stops19h 40m

£747

AsuncionLondon

ASU - LGW

ASULGW

Asuncion Silvio Pettirossi

Wed 27/5

13:10-17:55

2 stops24h 45m

London Gatwick

Sat 6/6

18:35-10:15

2 stops19h 40m

£747

AsuncionLondon

ASU - LHR

ASULHR

Asuncion Silvio Pettirossi

Wed 27/5

02:50-21:30

3 stops38h 40m

London Heathrow

Mon 8/6

08:55-10:15

3 stops29h 20m

£759

AsuncionLondon

ASU - LCY

ASULCY

Asuncion Silvio Pettirossi

Tue 26/5

11:10-18:40

2 stops27h 30m

London City

Sun 7/6

18:00-10:15

2 stops20h 15m

£766

AsuncionLondon

ASU - LHR

ASULHR

Asuncion Silvio Pettirossi

Tue 5/5

11:10-16:35

3 stops25h 25m

London Heathrow

Wed 13/5

20:05-10:15

2 stops42h 10m

£807

AsuncionLondon

ASU - LHR

ASULHR

Asuncion Silvio Pettirossi

Mon 1/6

12:05-16:15

2 stops24h 10m

London Heathrow

Fri 12/6

08:40-11:15

2 stops30h 35m

£890

AsuncionLondon

ASU - LHR

ASULHR

Asuncion Silvio Pettirossi

Wed 19/8

13:10-16:35

3 stops23h 25m

London Heathrow

Wed 26/8

07:00-10:15

3 stops31h 15m

£891

Flights are sorted by cheapest return flights first.

Deals found on 19/3

Showing 1-10 of 60 resultsSorted by cheapest first
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Best time to book a flight from Asuncion to London

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

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

Use this chart to determine the optimal time to book a return flight from Asuncion to London. Price data was last updated on 13 March 2026.

Booking 88 days in advance of your planned departure date is, on average, the best time to get cheap flights from Asuncion to London. 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 Asuncion to London?

Currently, August is the cheapest month in which you can book a flight from Asuncion to London (average of £665). Flying from Asuncion to London in January is currently the most expensive (average of £1,119). 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.

Reviews of airlines servicing London

Get insights into the airlines that provide service to London. 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 London. Reviews last updated 20 March 2026.
Get a feel of what it's like to fly with LATAM Airlines from Asuncion to London by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
LATAM Airlines
7.4
Good
1,915 reviews
Check prices

Crew

8.0

Entertainment

7.0

Comfort

7.3

Boarding

7.5

Food

6.7

Overall

7.4

Reviews

1 / 20
2.0
Mediocre

JC,Jan 2026

FLN - GRU

Plane was late in FLN and missed connection in GRU. No alternative was given to me until 6 hours later and I was delayed by over 12 hours total.
LATAM Airlines
7.4
Good
1,915 reviews
LATAM Airlines
7.4
Good
1,915 reviews
Check prices

Crew

8.0

Entertainment

7.0

Comfort

7.3

Boarding

7.5

Food

6.7

Overall

7.4

Reviews

1 / 20
2.0
Mediocre

JC,Jan 2026

FLN - GRU

Plane was late in FLN and missed connection in GRU. No alternative was given to me until 6 hours later and I was delayed by over 12 hours total.

Related info for your journey

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

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

  • How long is the flight from Asuncion to London?

    For as low as £908, SWISS can have you in London from Asuncion in 20h 35m. Airlines will cover a distance of 6317 mi. This flight may include one or multiple stops.

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

    The most popular flight routes from Asuncion to London are Asuncion Silvio Pettirossi - London City, Asuncion Silvio Pettirossi - London Gatwick and Asuncion Silvio Pettirossi - London Stansted.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Asuncion to London 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?

    Currently, August is the cheapest month in which you can book a flight from Asuncion to London (average of £665). Flying from Asuncion to London in January is currently the most expensive (average of £1,119). 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?

Book flights to London if you plan to visit one of these locations
Milton Keynes
Wembley
Croydon
Luton
Hounslow
Slough
Gatwick
Ilford
Hayes
Brentford
Colchester
Guildford
Watford
Kingston upon Thames
Eastbourne
Romford
Ipswich
Bedford
Chelmsford
Southend-on-Sea

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Asuncion to London

See prices for flight routes from nearby airports that may be better suited for you.
Asuncion to Gatwick flights
Asuncion to Stansted flights
Asuncion to Heathrow 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 London?

Cheapflights helps you search for flights from Asuncion to London via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

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

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 London.

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

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

Of course! You can now track prices for flights from Asuncion to London and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.

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