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Cheap flights from the United Kingdom to Asuncion from £340

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 19/9. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — ASU
31 Aug — 7 Sep1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from United Kingdom to Asuncion

Enter your travel dates to find the best prices.

Cheapest flights from United Kingdom to Asuncion
Explore the most affordable flight options available from United Kingdom to Asuncion. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 1 August 2026.

Mon 23/1106:35
LHR
-
ASU
2 stops31h 00m
Lufthansa
Fri 27/1113:15
ASU
-
LHR
2 stops23h 35m
Lufthansa
Deal found 30/7£693
Fri 11/922:05
LHR
-
ASU
1 stop34h 35m
Avianca
Fri 18/908:25
ASU
-
LHR
1 stop27h 10m
Avianca
Deal found 27/7£747
Mon 23/1118:40
LGW
-
ASU
2 stops18h 55m
SWISS
Fri 27/1113:15
ASU
-
LGW
2 stops25h 35m
SWISS
Deal found 30/7£796
Wed 28/1019:30
LHR
-
ASU
2 stops56h 30m
Lufthansa
Wed 25/1119:00
ASU
-
LHR
2 stops19h 05m
Lufthansa
Deal found 30/7£815
Mon 23/1109:00
LHR
-
ASU
3 stops28h 35m
SWISS
Fri 27/1113:15
ASU
-
LHR
2 stops20h 45m
SWISS
Deal found 30/7£821
Sat 5/908:30
LHR
-
ASU
2 stops30h 45m
Multiple Airlines
Sun 31/113:15
ASU
-
LHR
2 stops24h 05m
Multiple Airlines
Deal found 28/7£824
Tue 8/1220:15
LHR
-
ASU
2 stops41h 20m
Lufthansa
Fri 11/1219:00
ASU
-
LHR
2 stops19h 05m
Lufthansa
Deal found 27/7£839
Wed 28/1016:25
LGW
-
ASU
2 stops34h 20m
Multiple Airlines
Wed 25/1119:00
ASU
-
LGW
2 stops21h 05m
Multiple Airlines
Deal found 30/7£839
Tue 6/1018:05
MAN
-
ASU
2 stops20h 30m
Multiple Airlines
Fri 23/1013:10
ASU
-
MAN
2 stops20h 10m
Multiple Airlines
Deal found 29/7£850
Sat 5/919:30
LHR
-
ASU
2 stops43h 00m
Lufthansa
Sun 31/113:15
ASU
-
LHR
2 stops23h 35m
Lufthansa
Deal found 30/7£857
Tue 15/921:20
LHR
-
ASU
1 stop17h 10m
LATAM Airlines
Mon 21/902:55
ASU
-
LHR
1 stop32h 10m
LATAM Airlines
Deal found 1/8£859
Fri 18/917:25
LGW
-
ASU
1 stop18h 55m
Air Europa
Wed 23/912:50
ASU
-
LGW
1 stop23h 35m
Air Europa
Deal found 28/7£870

Find flight deals from United Kingdom to Asuncion

Keep the following information in mind while searching for United Kingdom to Asuncion flight deals. Data was last updated 1 August 2026.

Round-trip from

£693

One-way from

£340

Popular in

December

Cheapest in

November

Average price

£1,168
Lufthansa
  • Lufthansa
  • 23/11-27/11
  • 4 total stops
  • 54h 35m total
  • United Kingdom to Asuncion
Search Deals
19/9
  • 19/9
  • 2 total stops
  • 25h 45m total
  • United Kingdom to Asuncion
Search Deals
Highest demand for flights based on searches. 0% potential increase in price (£2 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (£21 potential savings vs. average return price).
Search Deals
Average for round-trip flights in August 2026
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from United Kingdom 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 1 August 2026.
Use the filters below to find and compare flights from the United Kingdom to Asuncion that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

LondonAsuncion

LGW - ASU

LGWASU

London Gatwick

Mon 23/11

18:40-10:35

2 stops18h 55m

Asuncion Silvio Pettirossi

Fri 27/11

13:15-17:50

2 stops25h 35m

£796

LondonAsuncion

LGW - ASU

LGWASU

London Gatwick

Tue 26/1

18:40-10:35

2 stops18h 55m

Asuncion Silvio Pettirossi

Tue 23/2

11:25-17:50

2 stops27h 25m

£847

LondonAsuncion

LHR - ASU

LHRASU

London Heathrow

Thu 28/1

13:45-10:35

2 stops23h 50m

Asuncion Silvio Pettirossi

Tue 23/2

11:25-17:50

2 stops27h 25m

£847

ManchesterAsuncion

MAN - ASU

MANASU

Manchester

Tue 6/10

18:05-10:35

2 stops20h 30m

Asuncion Silvio Pettirossi

Fri 23/10

13:10-13:20

2 stops20h 10m

£850

LondonAsuncion

LCY - ASU

LCYASU

London City

Tue 26/1

17:45-10:35

2 stops19h 50m

Asuncion Silvio Pettirossi

Tue 23/2

11:25-17:05

2 stops26h 40m

£862

LondonAsuncion

LGW - ASU

LGWASU

London Gatwick

Wed 27/1

18:40-10:35

2 stops18h 55m

Asuncion Silvio Pettirossi

Mon 22/2

13:15-17:50

2 stops25h 35m

£882

LondonAsuncion

LHR - ASU

LHRASU

London Heathrow

Tue 26/1

20:05-10:35

2 stops41h 30m

Asuncion Silvio Pettirossi

Mon 22/2

13:15-16:40

3 stops24h 25m

£907

LondonAsuncion

LHR - ASU

LHRASU

London Heathrow

Tue 15/9

08:40-11:15

2 stops30h 35m

Asuncion Silvio Pettirossi

Tue 22/9

17:05-16:35

2 stops19h 30m

£922

LondonAsuncion

LHR - ASU

LHRASU

London Heathrow

Mon 23/11

06:35-10:35

2 stops31h 00m

Asuncion Silvio Pettirossi

Fri 27/11

13:15-14:05

1 stop21h 50m

£922

LondonAsuncion

LGW - ASU

LGWASU

London Gatwick

Fri 11/9

10:00-08:20

1 stop26h 20m

Asuncion Silvio Pettirossi

Fri 18/9

12:50-09:00

1 stop16h 10m

£925

Flights are sorted by cheapest return flights first.

Deals found on 31/7

Showing 1-10 of 58 resultsSorted by cheapest first
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6

Best time to book a flight from United Kingdom to Asuncion

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

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

Currently, March is the cheapest month in which you can book a flight from United Kingdom to Asuncion (average of £823). Flying from United Kingdom to Asuncion in December is currently the most expensive (average of £1,359). 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 far ahead should I book a flight from United Kingdom to Asuncion?

The best time to book flights from United Kingdom to Asuncion is 27 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

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 1 August 2026.
See what other customers who have flown with Air France,LATAM Airlines, andUnited Airlines from the United Kingdom 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.
Air France
7.5
Good
1,632 reviews
Check prices

Boarding

7.5

Overall

7.5

Food

7.0

Crew

8.2

Entertainment

7.0

Comfort

7.4

Reviews

1 / 20
8.0
Excellent

Carmen,Jul 2026

ATH - JFK

Nothing that can really be fixed, but the only issue is always the space. It is so uncomfortable no matter what you do. Being in the very middle, not being able to easily get up, not being able to recline much, just not comfortable.
Air France
7.5
Good
1,632 reviews
Air France
7.5
Good
1,632 reviews
Check prices

Boarding

7.5

Overall

7.5

Food

7.0

Crew

8.2

Entertainment

7.0

Comfort

7.4

Reviews

1 / 20
8.0
Excellent

Carmen,Jul 2026

ATH - JFK

Nothing that can really be fixed, but the only issue is always the space. It is so uncomfortable no matter what you do. Being in the very middle, not being able to easily get up, not being able to recline much, just not comfortable.
LATAM Airlines
7.4
Good
1,967 reviews
Air France
7.5
Good
1,632 reviews
Check prices

Boarding

7.5

Overall

7.5

Food

7.0

Crew

8.2

Entertainment

7.0

Comfort

7.4

Reviews

1 / 20
8.0
Excellent

Carmen,Jul 2026

ATH - JFK

Nothing that can really be fixed, but the only issue is always the space. It is so uncomfortable no matter what you do. Being in the very middle, not being able to easily get up, not being able to recline much, just not comfortable.
United Airlines
7.4
Good
10,062 reviews
Air France
7.5
Good
1,632 reviews
Check prices

Boarding

7.5

Overall

7.5

Food

7.0

Crew

8.2

Entertainment

7.0

Comfort

7.4

Reviews

1 / 20
8.0
Excellent

Carmen,Jul 2026

ATH - JFK

Nothing that can really be fixed, but the only issue is always the space. It is so uncomfortable no matter what you do. Being in the very middle, not being able to easily get up, not being able to recline much, just not comfortable.
Air Europa
7.0
Good
631 reviews
Air France
7.5
Good
1,632 reviews
Check prices

Boarding

7.5

Overall

7.5

Food

7.0

Crew

8.2

Entertainment

7.0

Comfort

7.4

Reviews

1 / 20
8.0
Excellent

Carmen,Jul 2026

ATH - JFK

Nothing that can really be fixed, but the only issue is always the space. It is so uncomfortable no matter what you do. Being in the very middle, not being able to easily get up, not being able to recline much, just not comfortable.

Related info for your journey

Find useful and relevant information for your journey from United Kingdom 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 United Kingdom?

    Asuncion Silvio Pettirossi (ASU) is the airport you will fly into if you book a flight from United Kingdom to Asuncion. It is only a 7.8 mi journey from Silvio Pettirossi (ASU) to Asuncion’s city center.

  • How long is the flight from United Kingdom to Asuncion?

    SWISS, Air Europa, and LATAM Airlines can get you from United Kingdom to Asuncion in just under 18h 55m. Your travel time can differ by up to 7h 25m. United Kingdom and Asuncion are separated by a distance of 6317 mi. Both multi-stop and direct flights can be found to your destination and back.

  • What are the most popular routes from United Kingdom to Asuncion?

    The most popular route from United Kingdom to Asuncion is London Heathrow - Asuncion Silvio Pettirossi. You may also consider London Gatwick - Asuncion Silvio Pettirossi or London City - Asuncion Silvio Pettirossi.

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

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

  • How can I find direct flights from United Kingdom to Asuncion?

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

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

    Yes. Cheapflights offers flight deals from United Kingdom 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 United Kingdom to Asuncion?

    Currently, March is the cheapest month in which you can book a flight from United Kingdom to Asuncion (average of £823). Flying from United Kingdom to Asuncion in December is currently the most expensive (average of £1,359). 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

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for United Kingdom to Asuncion

See prices for flight routes from nearby airports that may be better suited for you.
Heathrow to Asuncion flights
Gatwick to Asuncion flights
London City to Asuncion flights
Manchester to Asuncion flights
Madrid to Asuncion flights
Barcelona-El Prat to Asuncion flights

Top 2 airlines flying from United Kingdom to Asuncion

Discover the top 2 airlines that operate flights from United Kingdom 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 1 August 2026.
AirlineCheapestAverageFlexibilityOn-time
Air EuropaCheapest£745Average£1,178FlexibilityNo cancel feeOn-time83%
Search Air Europa flights
LATAM AirlinesCheapest£806Average£1,087FlexibilityNo 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 United Kingdom to Asuncion?

Cheapflights helps you search for flights from United Kingdom to Asuncion 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 United Kingdom to Asuncion?

Cheapflights simply makes it quick and affordable to book flights from United Kingdom to Asuncion by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

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

Yes! Cheapflights helps users easily find flights from United Kingdom to Asuncion with no change fees.

Can Cheapflights notify me if prices for flights from United Kingdom to Asuncion become cheaper?

Not ready to book yet? You can track prices for flights from United Kingdom to Asuncion on Cheapflights with our Price Alert feature and get notified when better prices are available.

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