How long is the flight from Rosario to London Heathrow Airport?

For as low as £2,504, KLM can have you in London Heathrow Airport from Rosario in 32h 55m. There are 6874 mi between Rosario and London Heathrow Airport.

In terms of precipitation, rainfall in London Heathrow Airport ranges from 40.0 - 70.0 inches per month. January is typically the wettest month, when rainfall can reach 70.0 mm. July is typically the driest time to visit London Heathrow Airport when rainfall is around 40.0 mm.

If weather is an important factor for your trip to London Heathrow Airport, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 17.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 4.0 C).

What is the cheapest time of day to fly from ROS to LHR?

When flying from Rosario to London Heathrow Airport, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

What airport do you fly from for flights from Rosario to London Heathrow?

Most people fly from Rosario Fisherton (ROS) if they book a flight from Rosario to London Heathrow. On average, Fisherton has 0 outbound flights to London Heathrow per day from 0 airlines. Rosario Fisherton is conveniently located just 6.6 mi from Rosario’s city center.

Can I find deals for flights from Rosario to Heathrow that include hotel bookings?

Yes. In addition to deals on Rosario to Heathrow flights, Cheapflights offers holiday packages that include both flights and hotel.

How can I find direct flights from Rosario to Heathrow?

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

Can I find deals for business class flights from Rosario to Heathrow?

Yes. Cheapflights offers flight deals from Rosario to Heathrow by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

£525+ Flights from Rosario to London Heathrow Airport

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Best flights from Rosario to Heathrow
Discover carefully curated flight deals from Rosario to Heathrow that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 15 October 2025.

Fri 30/104:10ROS - LHR

2 stops32h 55mKLM

Fri 6/306:30LHR - ROS

2 stops22h 45mKLM

Deal found 14/10£2,504

Cheap flight deals from Rosario to Heathrow

Round-trip from	£2,504
One-way from	£525

KLM
30/1-6/3
4 total stops
55h 40m total
Rosario to London

Search Deals

16/3
3 total stops
26h 00m total
Rosario to London

Search Deals

Cheapflights Fare Finder

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

Fri 30/1

04:10-16:05

2 stops32h 55m

London Heathrow

Fri 6/3

06:30-02:15

2 stops22h 45m

£2,504

RosarioLondon

ROS - LHR

ROSLHR

Rosario Fisherton

Mon 16/3

12:30-17:30

3 stops26h 00m

£525

RosarioLondon

ROS - LHR

ROSLHR

Rosario Fisherton

Sun 15/3

02:45-14:05

1 stop32h 20m

£678

Flights are sorted by cheapest return flights first.

Deals found on 12/10

Best time to book a flight from Rosario to Heathrow

Have a flexible travel schedule? Discover the best time to fly to Heathrow from Rosario 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.

Related info for your journey

What airport do you fly from for flights from Rosario to London Heathrow?
Most people fly from Rosario Fisherton (ROS) if they book a flight from Rosario to London Heathrow. On average, Fisherton has 0 outbound flights to London Heathrow per day from 0 airlines. Rosario Fisherton is conveniently located just 6.6 mi from Rosario’s city center.
How long is the flight from Rosario to London Heathrow Airport?
For as low as £2,504, KLM can have you in London Heathrow Airport from Rosario in 32h 55m. There are 6874 mi between Rosario and London Heathrow Airport.
Can I find deals for flights from Rosario to Heathrow that include hotel bookings?
Yes. In addition to deals on Rosario to Heathrow flights, Cheapflights offers holiday packages that include both flights and hotel.
How can I find direct flights from Rosario to Heathrow?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Rosario to Heathrow.
Can I find deals for business class flights from Rosario to Heathrow?
Yes. Cheapflights offers flight deals from Rosario to Heathrow by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

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Can Cheapflights find flights from Rosario to Heathrow with no change fees?

Cheapflights does show flights with no change fees to all users. To see these options for flights from Rosario to Heathrow, users can toggle the no change fees filter when performing a flight search.

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Cheap flights from Rosario to London Heathrow Airport from £525

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 16/3. Fares are subject to change and may not be available on all flights or dates of travel.

Find flight deals from Rosario to Heathrow

Best flights from Rosario to HeathrowDiscover carefully curated flight deals from Rosario to Heathrow that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 15 October 2025.

Discover carefully curated flight deals from Rosario to Heathrow that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 15 October 2025.

Cheap flight deals from Rosario to Heathrow

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Use the filters below to find and compare flights from Rosario to London Heathrow Airport that are best for you.

Best time to book a flight from Rosario to Heathrow

Have a flexible travel schedule? Discover the best time to fly to Heathrow from Rosario with our price prediction graph.

Related info for your journey

Find useful and relevant information for your journey from Rosario to Heathrow. 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 Rosario to London Heathrow?

How long is the flight from Rosario to London Heathrow Airport?

Can I find deals for flights from Rosario to Heathrow that include hotel bookings?

How can I find direct flights from Rosario to Heathrow?

Can I find deals for business class flights from Rosario to Heathrow?

Travelling to a place near London Heathrow Airport?

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Rosario to Heathrow

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How does Cheapflights help users find flights from Rosario to Heathrow?

Why should you use Cheapflights to find cheap flight tickets from Rosario to Heathrow?

Can Cheapflights find flights from Rosario to Heathrow with no change fees?

Can Cheapflights notify me if prices for flights from Rosario to Heathrow become cheaper?

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Best flights from Rosario to Heathrow
Discover carefully curated flight deals from Rosario to Heathrow that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 15 October 2025.