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Cheap flights from the United Kingdom to Asuncion from £618

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 28/2. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — ASU
7 Dec — 14 Dec1
1 adult
1 adult, Economy, 0 bags

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 7 November 2025.

Mon 17/1111:35LHR - ASU
2 stops39h 36mUnited Airlines
Thu 27/1106:33ASU - LHR
2 stops49h 17mUnited Airlines
Deal found 6/11£907
Mon 17/1107:55LHR - ASU
2 stops43h 16mUnited Airlines
Wed 26/1106:33ASU - LHR
2 stops45h 07mUnited Airlines
Deal found 6/11£911
Thu 20/1121:40LHR - ASU
1 stop34h 35mAvianca
Thu 4/1208:20ASU - LHR
1 stop27h 15mAvianca
Deal found 6/11£968
Mon 17/1117:25LGW - ASU
1 stop17h 05mAir Europa
Mon 24/1113:50ASU - LGW
1 stop16h 10mAir Europa
Deal found 5/11£1,000
Sun 16/1110:40LGW - ASU
3 stops23h 50mMultiple Airlines
Mon 24/1113:50ASU - LGW
3 stops41h 00mMultiple Airlines
Deal found 5/11£1,033
Sun 16/1112:25LHR - ASU
3 stops22h 05mMultiple Airlines
Mon 24/1113:50ASU - LHR
3 stops24h 40mMultiple Airlines
Deal found 5/11£1,036
Thu 20/1121:40LHR - ASU
1 stop34h 35mMultiple Airlines
Wed 3/1203:10ASU - LHR
1 stop31h 55mMultiple Airlines
Deal found 6/11£1,036
Tue 11/1113:30LHR - ASU
2 stops25h 55mMultiple Airlines
Wed 26/1102:45ASU - LHR
1 stop32h 20mMultiple Airlines
Deal found 5/11£1,050
Tue 11/1121:40LHR - ASU
1 stop34h 35mAvianca
Thu 27/1108:20ASU - LHR
1 stop27h 15mAvianca
Deal found 6/11£1,073
Tue 11/1113:00LGW - ASU
2 stops43h 15mMultiple Airlines
Wed 26/1113:55ASU - LGW
1 stop16h 05mMultiple Airlines
Deal found 6/11£1,076
Mon 17/1117:25LGW - ASU
1 stop17h 05mAir Europa
Thu 27/1113:50ASU - LGW
1 stop16h 10mAir Europa
Deal found 6/11£1,085
Tue 11/1117:25LGW - ASU
1 stop17h 05mAir Europa
Wed 26/1113:55ASU - LGW
1 stop23h 30mAir Europa
Deal found 6/11£1,088

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 7 November 2025.

Round-trip from

£784

One-way from

£618

Popular in

December

Cheapest in

March

Average price

£799
Avianca
  • Avianca
  • 15/3-21/3
  • 2 total stops
  • 61h 50m total
  • United Kingdom to Asuncion
Search Deals
LATAM Airlines
  • LATAM Airlines
  • 28/2
  • 2 total stops
  • 28h 00m total
  • United Kingdom to Asuncion
Search Deals
Highest demand for flights based on searches. 5% potential increase in price (£40 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 November 2025
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 7 November 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

Mon 2/3

20:15-12:25

1 stop19h 10m

Asuncion Silvio Pettirossi

Mon 16/3

18:30-14:05

1 stop16h 35m

£820

LondonAsuncion

LHR - ASU

LHRASU

London Heathrow

Sat 14/3

20:15-12:25

1 stop19h 10m

Asuncion Silvio Pettirossi

Mon 23/3

08:25-22:10

2 stops34h 45m

£893

LondonAsuncion

LHR - ASU

LHRASU

London Heathrow

Mon 16/3

17:25-12:25

2 stops22h 00m

Asuncion Silvio Pettirossi

Sun 22/3

13:20-14:20

2 stops22h 00m

£904

LondonAsuncion

LCY - ASU

LCYASU

London City

Mon 9/3

16:45-23:30

2 stops33h 45m

Asuncion Silvio Pettirossi

Mon 23/3

18:30-16:10

2 stops42h 40m

£906

LondonAsuncion

LHR - ASU

LHRASU

London Heathrow

Mon 17/11

12:05-05:30

2 stops44h 25m

Asuncion Silvio Pettirossi

Mon 24/11

06:33-05:55

2 stops44h 22m

£907

LondonAsuncion

LHR - ASU

LHRASU

London Heathrow

Mon 17/11

11:35-00:11

2 stops39h 36m

Asuncion Silvio Pettirossi

Thu 27/11

06:33-10:50

2 stops49h 17m

£907

LondonAsuncion

LHR - ASU

LHRASU

London Heathrow

Fri 20/3

17:25-12:25

2 stops22h 00m

Asuncion Silvio Pettirossi

Sun 5/4

18:55-09:40

2 stops58h 45m

£910

LondonAsuncion

LHR - ASU

LHRASU

London Heathrow

Mon 17/11

07:55-00:11

2 stops43h 16m

Asuncion Silvio Pettirossi

Wed 26/11

06:33-06:40

2 stops45h 07m

£911

LondonAsuncion

LCY - ASU

LCYASU

London City

Wed 21/1

10:00-05:37

2 stops22h 37m

Asuncion Silvio Pettirossi

Sun 1/2

12:20-07:15

2 stops39h 55m

£913

LondonAsuncion

LHR - ASU

LHRASU

London Heathrow

Thu 19/3

20:15-10:10

1 stop16h 55m

Asuncion Silvio Pettirossi

Mon 23/3

18:30-18:15

2 stops20h 45m

£919

Flights are sorted by cheapest return flights first.

Deals found on 5/11

Showing 1-10 of 49 results
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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 £638). Flying from United Kingdom to Asuncion in July is currently the most expensive (average of £1,196). 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 7 November 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.
KLM
7.7
Good
1,405 reviews
Check prices

Overall

7.7

Comfort

7.7

Boarding

7.8

Crew

8.4

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.
KLM
7.7
Good
1,405 reviews
KLM
7.7
Good
1,405 reviews
Check prices

Overall

7.7

Comfort

7.7

Boarding

7.8

Crew

8.4

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.
LATAM Airlines
7.5
Good
1,872 reviews
KLM
7.7
Good
1,405 reviews
Check prices

Overall

7.7

Comfort

7.7

Boarding

7.8

Crew

8.4

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.
United Airlines
7.4
Good
9,007 reviews
KLM
7.7
Good
1,405 reviews
Check prices

Overall

7.7

Comfort

7.7

Boarding

7.8

Crew

8.4

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.
Air Europa
7.0
Good
569 reviews
KLM
7.7
Good
1,405 reviews
Check prices

Overall

7.7

Comfort

7.7

Boarding

7.8

Crew

8.4

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?

    LATAM Airlines, United Airlines, and KLM can get you from United Kingdom to Asuncion in just under 19h 10m. Your travel time can differ by up to 25h 15m. United Kingdom and Asuncion are separated by a distance of 6322 mi. Both multi-stop and direct flights can be found to your destination and back.

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

    One-way options have recently been found by users for as low as £618 on LATAM Airlines. Other airlines that offer cheap prices include United Airlines from £640 and KLM from £1,107 one-way.

  • 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 £638). Flying from United Kingdom to Asuncion in July is currently the most expensive (average of £1,196). 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 United Kingdom to Asuncion

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

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 7 November 2025.
AirlineCheapestAverageFlexibilityOn-time
LATAM AirlinesCheapest£795Average£1,061FlexibilityNo cancel feeOn-time81%
Search LATAM Airlines flights

Fly with Cheapflights

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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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