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Cheap flights from Rosario to London from £1,485

This is the cheapest return flight price found by a momondo user in the last 72 hours by searching for a flight from Rosario to London departing on 11/5. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags
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Cheap return flights

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LATAM Airlines Logo
12:10 - 15:05ROS-LHR
22h 55m1 stop
LATAM Airlines Logo
18:45 - 11:10LHR-ROS
20h 25m2 stops
£1,485LATAM Airlines
Find Deal
Mon, 11 May - Fri, 29 May
LATAM Airlines Logo
12:10 - 18:15ROS-LHR
26h 05m2 stops
LATAM Airlines Logo
18:45 - 11:10LHR-ROS
20h 25m2 stops
£1,494LATAM Airlines
Find Deal
Mon, 11 May - Fri, 29 May
LATAM Airlines Logo
12:10 - 15:05ROS-LHR
22h 55m1 stop
LATAM Airlines Logo
21:20 - 11:10LHR-ROS
17h 50m1 stop
£1,499LATAM Airlines
Find Deal
Mon, 11 May - Fri, 29 May
LATAM Airlines Logo
12:10 - 14:40ROS-LHR
22h 30m2 stops
LATAM Airlines Logo
18:45 - 11:10LHR-ROS
20h 25m2 stops
£1,507LATAM Airlines
Find Deal
Fri, 15 May - Fri, 29 May
LATAM Airlines Logo
12:10 - 15:05ROS-LHR
22h 55m1 stop
LATAM Airlines Logo
06:40 - 11:10LHR-ROS
32h 30m2 stops
£1,508LATAM Airlines
Find Deal
Mon, 11 May - Thu, 28 May
LATAM Airlines Logo
12:10 - 18:55ROS-LHR
26h 45m2 stops
LATAM Airlines Logo
21:20 - 11:10LHR-ROS
17h 50m1 stop
£1,509LATAM Airlines
Find Deal
Mon, 11 May - Sun, 24 May
LATAM Airlines Logo
12:10 - 18:55ROS-LHR
26h 45m2 stops
LATAM Airlines Logo
06:40 - 11:10LHR-ROS
32h 30m2 stops
£1,518LATAM Airlines
Find Deal
Mon, 11 May - Thu, 28 May
LATAM Airlines Logo
12:10 - 14:40ROS-LHR
22h 30m2 stops
LATAM Airlines Logo
21:20 - 11:10LHR-ROS
17h 50m1 stop
£1,522LATAM Airlines
Find Deal
Fri, 15 May - Thu, 28 May
LATAM Airlines Logo
12:10 - 14:40ROS-LHR
22h 30m2 stops
LATAM Airlines Logo
06:40 - 11:10LHR-ROS
32h 30m2 stops
£1,531LATAM Airlines
Find Deal
Fri, 15 May - Thu, 28 May
LATAM Airlines Logo
12:10 - 15:05ROS-LHR
22h 55m1 stop
LATAM Airlines Logo
18:45 - 11:10LHR-ROS
20h 25m2 stops
£1,553LATAM Airlines
Find Deal
Sat, 9 May - Fri, 29 May

LATAM Airlines flights from Rosario to London Heathrow Airport

Our best LATAM Airlines deals on Rosario to London Heathrow Airport flight tickets
LATAM Airlines
11 May
ROS12:10Rosario Fisherton
22h 55m
1 stop
LHR15:05London Heathrow
29 May
LHR18:45London Heathrow
20h 25m
2 stops
ROS11:10Rosario Fisherton
£1,485
Find similar
LATAM Airlines
11 May
ROS12:10Rosario Fisherton
26h 05m
2 stops
LHR18:15London Heathrow
29 May
LHR18:45London Heathrow
20h 25m
2 stops
ROS11:10Rosario Fisherton
£1,494
Find similar
LATAM Airlines
11 May
ROS12:10Rosario Fisherton
22h 55m
1 stop
LHR15:05London Heathrow
29 May
LHR21:20London Heathrow
17h 50m
1 stop
ROS11:10Rosario Fisherton
£1,499
Find similar

KLM flights from Rosario to London Heathrow Airport

Our best KLM deals on Rosario to London Heathrow Airport flight tickets
KLM
25 Apr
ROS02:55Rosario Fisherton
48h 45m
2 stops
LHR07:40London Heathrow
29 Apr
LHR11:45London Heathrow
42h 20m
2 stops
ROS02:05Rosario Fisherton
£2,203
Find similar
KLM
25 Apr
ROS02:55Rosario Fisherton
48h 45m
2 stops
LHR07:40London Heathrow
29 Apr
LHR11:45London Heathrow
42h 20m
2 stops
ROS02:05Rosario Fisherton
£2,203
Find similar
KLM
30 Jan
ROS04:10Rosario Fisherton
32h 55m
2 stops
LHR16:05London Heathrow
6 Mar
LHR06:30London Heathrow
22h 45m
2 stops
ROS02:15Rosario Fisherton
£2,234
Find similar

momondo Fare Finder

 
Customise your flight search to find flights from Rosario to London Heathrow Airport 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, momondo users made 279,928 searches. Data last updated 2 December 2025.
Use the filters below to find and compare flights from Rosario to London Heathrow Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

RosarioLondon

ROS - LHR

ROSLHR

Rosario Fisherton

Mon 11/5

12:10-15:05

1 stop22h 55m

London Heathrow

Fri 29/5

18:45-11:10

2 stops20h 25m

£1,485

RosarioLondon

ROS - LHR

ROSLHR

Rosario Fisherton

Mon 11/5

12:10-18:15

2 stops26h 05m

London Heathrow

Fri 29/5

18:45-11:10

2 stops20h 25m

£1,494

RosarioLondon

ROS - LHR

ROSLHR

Rosario Fisherton

Mon 11/5

12:10-15:05

1 stop22h 55m

London Heathrow

Fri 29/5

21:20-11:10

1 stop17h 50m

£1,499

RosarioLondon

ROS - LHR

ROSLHR

Rosario Fisherton

Fri 15/5

12:10-14:40

2 stops22h 30m

London Heathrow

Fri 29/5

18:45-11:10

2 stops20h 25m

£1,507

RosarioLondon

ROS - LHR

ROSLHR

Rosario Fisherton

Mon 11/5

12:10-15:05

1 stop22h 55m

London Heathrow

Thu 28/5

06:40-11:10

2 stops32h 30m

£1,508

RosarioLondon

ROS - LHR

ROSLHR

Rosario Fisherton

Mon 11/5

12:10-18:55

2 stops26h 45m

London Heathrow

Sun 24/5

21:20-11:10

1 stop17h 50m

£1,509

RosarioLondon

ROS - LHR

ROSLHR

Rosario Fisherton

Mon 11/5

12:10-18:55

2 stops26h 45m

London Heathrow

Thu 28/5

06:40-11:10

2 stops32h 30m

£1,518

RosarioLondon

ROS - LHR

ROSLHR

Rosario Fisherton

Fri 15/5

12:10-14:40

2 stops22h 30m

London Heathrow

Thu 28/5

21:20-11:10

1 stop17h 50m

£1,522

RosarioLondon

ROS - LHR

ROSLHR

Rosario Fisherton

Fri 15/5

12:10-14:40

2 stops22h 30m

London Heathrow

Thu 28/5

06:40-11:10

2 stops32h 30m

£1,531

RosarioLondon

ROS - LHR

ROSLHR

Rosario Fisherton

Sat 9/5

12:10-15:05

1 stop22h 55m

London Heathrow

Fri 29/5

18:45-11:10

2 stops20h 25m

£1,553

Flights are sorted by cheapest return flights first.

Sorted by cheapest first

When to book flights from Rosario to London Heathrow Airport

Are you open to changing your travel dates? Check out the ideal times to fly from Rosario to London Heathrow Airport according to our flight data. Find out which month and days have the cheapest flights.
Estimated return price

Cheap Rosario to London Heathrow Airport (ROS to LHR) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Rosario to London Heathrow Airport

Fastest flight time

21h 00m

Direct flights

None
The fastest flight from Rosario to London Heathrow Airport takes 21h 00m
There are no direct flights from Rosario to London Heathrow Airport. There are no popular flight routes from Rosario to London Heathrow Airport.
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  • How far is Rosario Fisherton to London Heathrow by plane?

    A flight from Rosario Fisherton to London Heathrow will travel around 6874.4 mi. By plane, this route typically takes 20h 00m.

  • When did momondo last update prices for flights from Rosario Fisherton Airport to London Heathrow Airport?

    Prices for flights from Rosario Fisherton Airport to London Heathrow Airport are updated daily.

  • How old do you have to be to fly from Rosario Fisherton Airport to London Heathrow Airport?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Rosario Fisherton Airport to London Heathrow Airport.

  • What documentation or ID do you need to fly to London Heathrow Airport?

    The required travel and health documents for your London Heathrow Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at London Heathrow Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

  • How do I get Price Alerts for flights from Rosario to London Heathrow Airport?

    Search flight deals from Rosario to London Heathrow Airport. While viewing offers you’ll have the option to create a Price Alert.

  • How can I save money on flights from Rosario to London Heathrow Airport with momondo?

    With “Price Forecast”, learn how soon you should book your flight in advance. Down to the day of week and time of day, our information can inform you on the ideal time to book to save on your travel. Our “Price Calendar” shows you at a quick glance when to book your travel for lower rates. By setting “Price Alerts” you can monitor changes in price and target the ideal time to book. Search for your trip destination by budget amount via our “Explore” feature. Whether you’re looking for ideas for your next travel adventure or cost-cutting tips, our “Discover” content is a great place to start.

  • How does momondo find its flight prices?

    We show prices from over 700+ competitors with a single click. With options from airlines and OTAs from across our 30 international markets, we are able to show you a diverse range of deals to create your adventure.

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Why use momondo?

Why should I use momondo to find a flight deal from Rosario to London?

Finding the right flight to London from Rosario is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to London quick and easy, saving you time and money.

Can I find flights from Rosario to London with flexible booking policies on momondo?

Yes. All flights to London from Rosario on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from Rosario to London?

momondo provides multiple filters to help you find the best flight to London from Rosario. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from Rosario to London right now. Can momondo alert me if prices change?

If you are simply researching potential flights to London, momondo offers a useful price alert feature which will track prices for flights to London from Rosario and alert you when they change.

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