Cheap flights from the United Kingdom to Asuncion from £453

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 16/11. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — ASU
21 Nov — 28 Nov1
1 adult
1 adult, Economy

Find 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 22 October 2025.

Thu 27/1109:10MAN - ASU
2 stops29h 20mMultiple Airlines
Sun 7/1212:20ASU - MAN
2 stops21h 00mMultiple Airlines
Deal found 21/10£865
Sat 8/1116:20LHR - ASU
2 stops34h 51mUnited Airlines
Sat 22/1106:33ASU - LHR
2 stops45h 57mUnited Airlines
Deal found 21/10£911
Fri 5/1206:30LHR - ASU
2 stops32h 00mMultiple Airlines
Fri 12/1206:33ASU - LHR
2 stops32h 47mMultiple Airlines
Deal found 21/10£932
Thu 4/1220:15LHR - ASU
2 stops24h 25mLATAM Airlines
Thu 11/1218:30ASU - LHR
1 stop16h 35mLATAM Airlines
Deal found 20/10£942
Fri 5/1215:15LHR - ASU
2 stops48h 10mLATAM Airlines
Thu 11/1203:10ASU - LHR
2 stops37h 25mLATAM Airlines
Deal found 21/10£1,003
Thu 4/1207:00LGW - ASU
2 stops30h 10mMultiple Airlines
Wed 10/1203:10ASU - LGW
2 stops34h 30mMultiple Airlines
Deal found 20/10£1,015
Sat 8/1117:25LGW - ASU
1 stop17h 05mAir Europa
Sat 22/1114:15ASU - LGW
1 stop15h 45mAir Europa
Deal found 20/10£1,016
Mon 17/1117:25LGW - ASU
1 stop17h 05mAir Europa
Thu 27/1114:15ASU - LGW
1 stop23h 10mAir Europa
Deal found 22/10£1,029
Mon 17/1120:05LGW - ASU
2 stops30h 25mMultiple Airlines
Wed 26/1114:15ASU - LGW
1 stop15h 45mMultiple Airlines
Deal found 22/10£1,042
Sun 16/1117:25LGW - ASU
1 stop17h 05mAir Europa
Wed 26/1114:15ASU - LGW
1 stop23h 10mAir Europa
Deal found 22/10£1,046
Mon 17/1116:35LGW - ASU
2 stops33h 55mMultiple Airlines
Thu 27/1102:45ASU - LGW
2 stops32h 05mMultiple Airlines
Deal found 22/10£1,090
Tue 4/1121:40LHR - ASU
1 stop34h 35mMultiple Airlines
Fri 7/1111:05ASU - LHR
2 stops24h 00mMultiple Airlines
Deal found 21/10£1,091

Cheap 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 22 October 2025.

Round-trip from

£628

One-way from

£453

Popular in

December

Cheapest in

March

Average price

£863
Avianca
  • Avianca
  • 5/3-12/3
  • 2 total stops
  • 61h 50m total
  • United Kingdom to Asuncion
16/11
  • 16/11
  • 3 total stops
  • 44h 00m total
  • United Kingdom to Asuncion
Highest demand for flights based on searches. 3% potential increase in price (£23 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 October 2025

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 22 October 2025.
Use the filters below to find and compare flights from the United Kingdom to Asuncion that are best for you.

Fly from

United Kingdom

Fly to

Asuncion

Route

Depart

Return

Price

LondonAsuncion

LHR - ASU

LHRASU

London Heathrow

Tue 24/3

21:40-05:15

1 stop34h 35m

Asuncion Silvio Pettirossi

Wed 1/4

08:10-15:35

1 stop27h 25m

£670

LondonAsuncion

LHR - ASU

LHRASU

London Heathrow

Mon 30/3

22:05-04:40

1 stop34h 35m

Asuncion Silvio Pettirossi

Sun 12/4

08:10-15:35

1 stop27h 25m

£740

LondonAsuncion

LHR - ASU

LHRASU

London Heathrow

Mon 2/3

20:15-12:25

1 stop19h 10m

Asuncion Silvio Pettirossi

Mon 16/3

18:30-14:05

1 stop16h 35m

£832

LondonAsuncion

LHR - ASU

LHRASU

London Heathrow

Mon 9/3

20:15-12:25

1 stop19h 10m

Asuncion Silvio Pettirossi

Mon 23/3

18:30-16:35

2 stops19h 05m

£848

ManchesterAsuncion

MAN - ASU

MANASU

Manchester

Thu 27/11

09:10-11:30

2 stops29h 20m

Asuncion Silvio Pettirossi

Sun 7/12

12:20-12:20

2 stops21h 00m

£865

LondonAsuncion

LGW - ASU

LGWASU

London Gatwick

Thu 5/3

17:25-07:30

1 stop17h 05m

Asuncion Silvio Pettirossi

Thu 12/3

14:15-09:00

1 stop15h 45m

£867

LondonAsuncion

LHR - ASU

LHRASU

London Heathrow

Thu 19/3

11:25-10:10

2 stops25h 45m

Asuncion Silvio Pettirossi

Mon 23/3

18:30-18:50

2 stops21h 20m

£906

LondonAsuncion

LGW - ASU

LGWASU

London Gatwick

Mon 16/3

17:25-07:30

1 stop17h 05m

Asuncion Silvio Pettirossi

Thu 19/3

14:15-09:00

1 stop15h 45m

£909

LondonAsuncion

LHR - ASU

LHRASU

London Heathrow

Sat 8/11

12:05-05:30

2 stops44h 25m

Asuncion Silvio Pettirossi

Sat 22/11

06:33-07:30

2 stops45h 57m

£912

LondonAsuncion

LCY - ASU

LCYASU

London City

Mon 23/3

07:45-11:30

2 stops30h 45m

Asuncion Silvio Pettirossi

Tue 31/3

12:20-17:20

2 stops25h 00m

£976

Flights are sorted by cheapest return flights first.

Deals found on 20/10

Showing 1-10 of 52 results
1
2
3
...
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 £624). Flying from United Kingdom to Asuncion in July is currently the most expensive (average of £1,170). 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 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 22 October 2025.
See what other customers who have flown with KLM, 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.

Comfort

7.6

Crew

8.4

Boarding

7.8

Overall

7.7

Entertainment

7.1

Food

7.3

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.

Comfort

7.6

Crew

8.4

Boarding

7.8

Overall

7.7

Entertainment

7.1

Food

7.3

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.

Comfort

7.6

Crew

8.4

Boarding

7.8

Overall

7.7

Entertainment

7.1

Food

7.3

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.

Comfort

7.6

Crew

8.4

Boarding

7.8

Overall

7.7

Entertainment

7.1

Food

7.3

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.

Comfort

7.6

Crew

8.4

Boarding

7.8

Overall

7.7

Entertainment

7.1

Food

7.3

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 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?

    Avianca, LATAM Airlines, and Air Europa can get you from United Kingdom to Asuncion in just under 17h 05m. Your travel time can differ by up to 17h 30m. 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?

  • 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 £624). Flying from United Kingdom to Asuncion in July is currently the most expensive (average of £1,170). 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

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

Alternative routes for United Kingdom to Asuncion

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

Top airline flying from United Kingdom to Asuncion

Discover the top airline 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 22 October 2025.
AirlineCheapestAverageFlexibilityOn-time
LATAM AirlinesCheapest£811Average£1,022FlexibilityNo 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.

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.