Find flights
When to book
Airlines
FAQs

Cheap flights from Asuncion to London from £351

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 — LON
26 Mar — 2 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 24 February 2026.

Wed 4/303:10
ASU
-
LHR
2 stops37h 05m
SWISS
Thu 19/317:10
LHR
-
ASU
2 stops20h 15m
SWISS
Deal found 22/2£638
Wed 18/303:10
ASU
-
LHR
2 stops30h 50m
SWISS
Tue 14/418:40
LHR
-
ASU
2 stops19h 30m
SWISS
Deal found 22/2£651
Wed 12/802:55
ASU
-
LHR
2 stops33h 30m
SWISS
Sat 29/817:15
LHR
-
ASU
2 stops21h 00m
SWISS
Deal found 20/2£682
Wed 18/303:10
ASU
-
LCY
2 stops30h 45m
SWISS
Tue 14/418:05
LCY
-
ASU
2 stops20h 05m
SWISS
Deal found 22/2£685
Tue 10/311:45
ASU
-
LHR
2 stops23h 00m
GOL
Tue 24/306:30
LHR
-
ASU
2 stops32h 00m
GOL
Deal found 22/2£705
Wed 4/303:10
ASU
-
LCY
2 stops30h 45m
SWISS
Thu 19/319:10
LCY
-
ASU
2 stops18h 15m
SWISS
Deal found 22/2£709
Wed 12/802:55
ASU
-
LGW
2 stops34h 55m
SWISS
Sat 29/809:25
LGW
-
ASU
2 stops28h 50m
SWISS
Deal found 20/2£711
Tue 10/312:20
ASU
-
LHR
2 stops25h 30m
Multiple Airlines
Tue 24/312:05
LHR
-
ASU
2 stops25h 25m
Multiple Airlines
Deal found 21/2£718
Tue 10/303:10
ASU
-
LHR
2 stops34h 10m
Multiple Airlines
Wed 18/318:40
LHR
-
ASU
2 stops18h 50m
Multiple Airlines
Deal found 21/2£726
Mon 9/312:20
ASU
-
LHR
2 stops25h 00m
Multiple Airlines
Mon 23/318:40
LHR
-
ASU
2 stops20h 45m
Multiple Airlines
Deal found 22/2£733
Mon 1/612:05
ASU
-
LHR
2 stops26h 30m
GOL
Fri 12/619:45
LHR
-
ASU
2 stops43h 30m
GOL
Deal found 20/2£740
Thu 9/412:50
ASU
-
STN
1 stop22h 10m
Multiple Airlines
Thu 16/414:45
STN
-
ASU
1 stop19h 40m
Multiple Airlines
Deal found 23/2£745

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 24 February 2026.

Round-trip from

£651

One-way from

£351

Popular in

June

Cheapest in

February

Average price

£758
SWISS
  • SWISS
  • 18/3-14/4
  • 4 total stops
  • 50h 20m total
  • Asuncion to London
Search Deals
Avianca
  • Avianca
  • 13/5
  • 1 total stop
  • 27h 10m total
  • Asuncion to London
Search Deals
Highest demand for flights based on searches. 9% potential increase in price (£74 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 February 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 24 February 2026.
Use the filters below to find and compare flights from Asuncion to London that are best for you.

Fly from

Asuncion

Fly to

London

Route

Depart

Return

Price

AsuncionLondon

ASU - LGW

ASULGW

Asuncion Silvio Pettirossi

Wed 18/3

13:55-09:00

1 stop16h 05m

London Gatwick

Sun 22/3

10:00-07:30

1 stop24h 30m

£855

AsuncionLondon

ASU - LGW

ASULGW

Asuncion Silvio Pettirossi

Mon 20/4

12:50-09:00

1 stop16h 10m

London Gatwick

Tue 28/4

10:00-06:25

1 stop24h 25m

£859

AsuncionLondon

ASU - LHR

ASULHR

Asuncion Silvio Pettirossi

Thu 21/5

12:05-17:35

2 stops25h 30m

London Heathrow

Sun 31/5

06:15-05:24

2 stops27h 09m

£860

AsuncionLondon

ASU - LHR

ASULHR

Asuncion Silvio Pettirossi

Mon 1/6

18:30-15:05

1 stop16h 35m

London Heathrow

Fri 12/6

21:20-10:15

1 stop16h 55m

£876

AsuncionLondon

ASU - LCY

ASULCY

Asuncion Silvio Pettirossi

Tue 31/3

12:35-17:20

2 stops24h 45m

London City

Tue 14/4

08:25-05:33

2 stops25h 08m

£879

AsuncionLondon

ASU - LHR

ASULHR

Asuncion Silvio Pettirossi

Mon 20/4

11:05-15:05

2 stops24h 00m

London Heathrow

Tue 28/4

18:45-12:15

2 stops21h 30m

£893

AsuncionLondon

ASU - LGW

ASULGW

Asuncion Silvio Pettirossi

Tue 5/5

12:50-16:25

1 stop23h 35m

London Gatwick

Sat 23/5

17:25-06:25

1 stop17h 00m

£898

AsuncionLondon

ASU - LCY

ASULCY

Asuncion Silvio Pettirossi

Mon 9/3

12:20-18:30

3 stops27h 10m

London City

Mon 23/3

16:40-23:30

3 stops33h 50m

£916

AsuncionLondon

ASU - LHR

ASULHR

Asuncion Silvio Pettirossi

Mon 20/4

06:33-07:40

2 stops45h 07m

London Heathrow

Tue 28/4

09:30-05:33

2 stops24h 03m

£917

AsuncionLondon

ASU - LHR

ASULHR

Asuncion Silvio Pettirossi

Wed 5/8

02:55-13:00

2 stops30h 05m

London Heathrow

Wed 19/8

18:40-10:15

2 stops19h 35m

£941

Flights are sorted by cheapest return flights first.

Deals found on 22/2

Showing 1-10 of 55 results
1
2
3
...
6

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 20 February 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, April is the cheapest month in which you can book a flight from Asuncion to London (average of £591). Flying from Asuncion to London in January is currently the most expensive (average of £1,108). 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?

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 24 February 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
7.5
Good
1,918 reviews
Check prices

Crew

8.0

Food

6.7

Overall

7.5

Comfort

7.3

Entertainment

7.0

Boarding

7.5

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
7.5
Good
1,918 reviews
LATAM Airlines
7.5
Good
1,918 reviews
Check prices

Crew

8.0

Food

6.7

Overall

7.5

Comfort

7.3

Entertainment

7.0

Boarding

7.5

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 1 airline has 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 £855, Air Europa can have you in London from Asuncion in 16h 05m. Airlines will cover a distance of 6317 mi. This flight may include one or multiple stops.

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

    Currently priced at £737, LATAM Airlines will fly you from Asuncion to London and back. In addition to LATAM Airlines, many other airlines offer competitively priced options for your trip. LATAM Airlines is priced at 21% lower than the current average price of a flight leaving 3 months from now.

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

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

  • 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, April is the cheapest month in which you can book a flight from Asuncion to London (average of £591). Flying from Asuncion to London in January is currently the most expensive (average of £1,108). 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
Croydon
Wembley
Luton
Gatwick
Slough
Hounslow
Ilford
Hayes
Brentford
Colchester
Watford
Guildford
Kingston upon Thames
Eastbourne
Ipswich
Chelmsford
Bedford
Romford
Folkestone

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

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

Top airline flying from Asuncion to London

Discover the top airline that operate flights from Asuncion to London. 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 24 February 2026.
AirlineCheapestAverageFlexibilityOn-time
LATAM AirlinesCheapest£737Average£1,157FlexibilityNo 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 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.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.