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Cheap flights from Rosario to London from £2,251

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 31/1. Fares are subject to change and may not be available on all flights or dates of travel.
ROS — LON
14 Dec — 21 Dec1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Rosario to London

Discover tips and strategies to find the most affordable flight options for your journey from Rosario (ROS) to London (LON). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 14 November 2025.

Round-trip from

£2,251
KLM
  • KLM
  • 31/1-6/3
  • 4 total stops
  • 46h 50m total
  • Rosario to London
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Find flight deals from Rosario to London

Enter your travel dates to find the best prices.

Best flights from Rosario to London
Discover carefully curated flight deals from Rosario to London that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 14 November 2025.

Sat 31/118:20ROS - LHR
2 stops24h 05mMultiple Airlines
Fri 6/306:30LHR - ROS
2 stops22h 45mMultiple Airlines
Deal found 12/11£2,251
Fri 30/104:10ROS - LHR
2 stops32h 55mKLM
Fri 6/306:30LHR - ROS
2 stops22h 45mKLM
Deal found 13/11£2,429
Fri 30/104:10ROS - LCY
2 stops34h 10mKLM
Fri 6/307:45LCY - ROS
2 stops21h 30mKLM
Deal found 12/11£2,448

Cheapflights Fare Finder

 
Customise your flight search to find flights from Rosario to London 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 14 November 2025.
Use the filters below to find and compare flights from Rosario to London that are best for you.

Fly from

Rosario

Fly to

London

Route

Depart

Return

Price

RosarioLondon

ROS - LHR

ROSLHR

Rosario Fisherton

Sat 31/1

18:20-21:25

2 stops24h 05m

London Heathrow

Fri 6/3

06:30-02:15

2 stops22h 45m

£2,251

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

£2,429

RosarioLondon

ROS - LCY

ROSLCY

Rosario Fisherton

Fri 30/1

04:10-17:20

2 stops34h 10m

London City

Fri 6/3

07:45-02:15

2 stops21h 30m

£2,448

Flights are sorted by cheapest return flights first.

Deals found on 12/11

Best time to book a flight from Rosario to London

Have a flexible travel schedule? Discover the best time to fly to London 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.

Cheapflights Insights

Everything you need to know about your flight from Rosario to London
No data available for this route at this time. Please check back soon.

Related info for your journey

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

    If you book a flight to London from Rosario, you will be flying from Fisherton, which is the city’s only airport. Rosario Fisherton (ROS) is located 6.6 mi from the center of Rosario. There are 0 flights from Fisherton to London per day from 0 different airlines.

  • How long is the flight from Rosario to London?

    KLM can get you from Rosario to London in just under 32h 55m. Your travel time can differ by up to . Rosario and London are separated by a distance of 6874 mi.

  • What are the most popular routes from Rosario to London?

    The most popular route from Rosario to London is Rosario Fisherton - London City. You may also consider Rosario Fisherton - London Gatwick or Rosario Fisherton - London Heathrow.

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

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

  • How can I find direct flights from Rosario to London?

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

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

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

See more FAQs

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