Where can I fly from to get the cheapest fares to Rosario?

Based on fares booked in the past 5 days, the cheapest flights to Rosario are from: • London, from £953 return

How do I know if a flight to Rosario is a good deal?

A good deal on a flight to Rosario is around £1,181 return. This fare is in the lowest 25% of return flight prices searched on KAYAK, averaged across the cities most often searched as origins by KAYAK users.

Which airlines should I consider for flights to Rosario?

LATAM Airlines is the most popular airline for KAYAK users flying to Rosario and has the best on-time record at the destination's main airport.

What are the most popular airlines flying to Rosario?

LATAM Airlines is the only airline flying to Rosario on KAYAK.

£953 CHEAP FLIGHTS to Rosario in 2026/27

Save 25% or more on flights. Compare deals from all over the web.

Never overpay with our price tracking tools.

Filter searches by price, airline and more to find your best flights.

Cheapest return flight

£953

Typical prices: £1,181-£1,443

LATAM Airlines

Sat 3/3Sun 1/4

LHR - ROS • 2 stops

Top airlines

LATAM Airlines

Best reviews • 7.4 score

Airline reviews

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We hope you enjoy your trip to Rosario!

Flight Deals

Cheap Flights to Rosario

Discover the best prices for you by selecting your travel dates on KAYAK.

Return

One-way

All Flight Deals

Recent return flight deals to Rosario

Wed, 3 Mar - Thu, 1 Apr

17:25 - 11:15LHR London Heathrow-ROS Rosario Fisherton

20h 50m2 stops Madrid Barajas Sao Paulo Guarulhos Intl

12:30 - 15:05ROS Rosario Fisherton-LHR London Heathrow

22h 35m1 stop Sao Paulo Guarulhos Intl

£953LATAM Airlines

Tue, 3 Nov - Tue, 10 Nov

13:40 - 11:15LHR London Heathrow-ROS Rosario Fisherton

48h 35m2 stops Lisbon Humberto Delgado Sao Paulo Guarulhos Intl

12:30 - 14:05ROS Rosario Fisherton-LHR London Heathrow

22h 35m1 stop Sao Paulo Guarulhos Intl

£958Multiple Airlines

Wed, 3 Mar - Sun, 4 Apr

17:25 - 11:15LHR London Heathrow-ROS Rosario Fisherton

20h 50m2 stops Madrid Barajas Sao Paulo Guarulhos Intl

12:30 - 15:05ROS Rosario Fisherton-LHR London Heathrow

22h 35m1 stop Sao Paulo Guarulhos Intl

£959LATAM Airlines

Wed, 3 Mar - Fri, 2 Apr

19:40 - 11:15LHR London Heathrow-ROS Rosario Fisherton

18h 35m2 stops Madrid Barajas Sao Paulo Guarulhos Intl

12:30 - 15:05ROS Rosario Fisherton-LHR London Heathrow

22h 35m1 stop Sao Paulo Guarulhos Intl

£959LATAM Airlines

Mon, 8 Mar - Fri, 2 Apr

18:45 - 11:15LHR London Heathrow-ROS Rosario Fisherton

19h 30m2 stops Madrid Barajas Sao Paulo Guarulhos Intl

12:30 - 15:05ROS Rosario Fisherton-LHR London Heathrow

22h 35m1 stop Sao Paulo Guarulhos Intl

£959LATAM Airlines

Mon, 8 Mar - Sun, 4 Apr

18:45 - 11:15LHR London Heathrow-ROS Rosario Fisherton

19h 30m2 stops Madrid Barajas Sao Paulo Guarulhos Intl

12:30 - 15:05ROS Rosario Fisherton-LHR London Heathrow

22h 35m1 stop Sao Paulo Guarulhos Intl

£959LATAM Airlines

Tue, 2 Mar - Fri, 2 Apr

06:05 - 06:30LHR London Heathrow-ROS Rosario Fisherton

27h 25m2 stops Madrid Barajas Lima J Chavez Intl

12:30 - 15:05ROS Rosario Fisherton-LHR London Heathrow

22h 35m1 stop Sao Paulo Guarulhos Intl

£959LATAM Airlines

Tue, 2 Mar - Sun, 4 Apr

06:05 - 06:30LHR London Heathrow-ROS Rosario Fisherton

27h 25m2 stops Madrid Barajas Lima J Chavez Intl

12:30 - 15:05ROS Rosario Fisherton-LHR London Heathrow

22h 35m1 stop Sao Paulo Guarulhos Intl

£959LATAM Airlines

Wed, 3 Mar - Sun, 4 Apr

17:25 - 11:15LHR London Heathrow-ROS Rosario Fisherton

20h 50m2 stops Madrid Barajas Sao Paulo Guarulhos Intl

12:30 - 15:05ROS Rosario Fisherton-LHR London Heathrow

22h 35m1 stop Sao Paulo Guarulhos Intl

£961LATAM Airlines

Thu, 4 Mar - Sun, 4 Apr

06:15 - 11:15LHR London Heathrow-ROS Rosario Fisherton

32h 00m2 stops Madrid Barajas Sao Paulo Guarulhos Intl

12:30 - 15:05ROS Rosario Fisherton-LHR London Heathrow

22h 35m1 stop Sao Paulo Guarulhos Intl

£967LATAM Airlines

All return flight deals to Rosario

Wed, 3 Mar - Thu, 1 Apr

17:25 - 11:15LHR London Heathrow-ROS Rosario Fisherton

20h 50m2 stops Madrid Barajas Sao Paulo Guarulhos Intl

12:30 - 15:05ROS Rosario Fisherton-LHR London Heathrow

22h 35m1 stop Sao Paulo Guarulhos Intl

£953LATAM Airlines

Tue, 3 Nov - Tue, 10 Nov

13:40 - 11:15LHR London Heathrow-ROS Rosario Fisherton

48h 35m2 stops Lisbon Humberto Delgado Sao Paulo Guarulhos Intl

12:30 - 14:05ROS Rosario Fisherton-LHR London Heathrow

22h 35m1 stop Sao Paulo Guarulhos Intl

£958Multiple Airlines

Wed, 3 Mar - Sun, 4 Apr

17:25 - 11:15LHR London Heathrow-ROS Rosario Fisherton

20h 50m2 stops Madrid Barajas Sao Paulo Guarulhos Intl

12:30 - 15:05ROS Rosario Fisherton-LHR London Heathrow

22h 35m1 stop Sao Paulo Guarulhos Intl

£959LATAM Airlines

Wed, 3 Mar - Fri, 2 Apr

19:40 - 11:15LHR London Heathrow-ROS Rosario Fisherton

18h 35m2 stops Madrid Barajas Sao Paulo Guarulhos Intl

12:30 - 15:05ROS Rosario Fisherton-LHR London Heathrow

22h 35m1 stop Sao Paulo Guarulhos Intl

£959LATAM Airlines

Mon, 8 Mar - Fri, 2 Apr

18:45 - 11:15LHR London Heathrow-ROS Rosario Fisherton

19h 30m2 stops Madrid Barajas Sao Paulo Guarulhos Intl

12:30 - 15:05ROS Rosario Fisherton-LHR London Heathrow

22h 35m1 stop Sao Paulo Guarulhos Intl

£959LATAM Airlines

Mon, 8 Mar - Sun, 4 Apr

18:45 - 11:15LHR London Heathrow-ROS Rosario Fisherton

19h 30m2 stops Madrid Barajas Sao Paulo Guarulhos Intl

12:30 - 15:05ROS Rosario Fisherton-LHR London Heathrow

22h 35m1 stop Sao Paulo Guarulhos Intl

£959LATAM Airlines

Tue, 2 Mar - Fri, 2 Apr

06:05 - 06:30LHR London Heathrow-ROS Rosario Fisherton

27h 25m2 stops Madrid Barajas Lima J Chavez Intl

12:30 - 15:05ROS Rosario Fisherton-LHR London Heathrow

22h 35m1 stop Sao Paulo Guarulhos Intl

£959LATAM Airlines

Tue, 2 Mar - Sun, 4 Apr

06:05 - 06:30LHR London Heathrow-ROS Rosario Fisherton

27h 25m2 stops Madrid Barajas Lima J Chavez Intl

12:30 - 15:05ROS Rosario Fisherton-LHR London Heathrow

22h 35m1 stop Sao Paulo Guarulhos Intl

£959LATAM Airlines

Wed, 3 Mar - Sun, 4 Apr

17:25 - 11:15LHR London Heathrow-ROS Rosario Fisherton

20h 50m2 stops Madrid Barajas Sao Paulo Guarulhos Intl

12:30 - 15:05ROS Rosario Fisherton-LHR London Heathrow

22h 35m1 stop Sao Paulo Guarulhos Intl

£961LATAM Airlines

Thu, 4 Mar - Sun, 4 Apr

06:15 - 11:15LHR London Heathrow-ROS Rosario Fisherton

32h 00m2 stops Madrid Barajas Sao Paulo Guarulhos Intl

12:30 - 15:05ROS Rosario Fisherton-LHR London Heathrow

22h 35m1 stop Sao Paulo Guarulhos Intl

£967LATAM Airlines

Booking Insights

Price, demand, and travel trends for United Kingdom to Rosario flights

Use KAYAK data on prices, travel dates, airlines, and seasonal trends to compare options and book flights from the United Kingdom to Rosario with more confidence.

Prices

Airlines

What is the cheapest flight to Rosario?

London Heathrow Airport to Rosario is the cheapest route at £953 return, found in the past 5 days on KAYAK. KAYAK data shows this is also the most popular route.

How much is a flight to Rosario?

A return flight to Rosario costs £1,259 on average, based on data over the past 12 months on KAYAK. Return fares from London average £1,443.

What is the cheapest time of day to fly to Rosario?

Night flights to Rosario are the cheapest at £1,182 return on average. Evening flights are the most expensive at £1,697.

What is a good deal for flights to Rosario?

Flights under £1,181 are considered a good deal. 25% of KAYAK users found return flights to Rosario at or below these prices, with the lowest fares from:
•London £1,181.

Find deals

Cheapest flight	£953

Flights from London Heathrow Airport to Rosario

When to book flights to Rosario

Are your dates flexible? Find out the best times to travel to Rosario based on our flight data from the last year. Discover the cheapest month and even day to fly.

Estimated return price

KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or returns with a duration up to 40 days. The information is for flights to Rosario based on your location. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

How do I know if a flight to Rosario is a good deal?
A good deal on a flight to Rosario is around £1,181 return. This fare is in the lowest 25% of return flight prices searched on KAYAK, averaged across the cities most often searched as origins by KAYAK users.
Where can I fly from to get the cheapest fares to Rosario?
Based on fares booked in the past 5 days, the cheapest flights to Rosario are from:
• London, from £953 return
Which airlines should I consider for flights to Rosario?
LATAM Airlines is the most popular airline for KAYAK users flying to Rosario and has the best on-time record at the destination's main airport.

For flights to Rosario, recent KAYAK data shows that stronger deals tend to be around £1,181 return. If you see a fare below that threshold, it's a good deal – book before the price climbs back up.
Before you book:

• Check the route's typical price range so you can spot a deal.
• Confirm baggage fees and seat selection costs on budget carriers.
• Verify whether you need any travel documents beyond an ID.
• Pick a departure airport, since your nearest may not be the cheapest origin.
Shift your departure to evening to save up to £516 per return. Evening flights to Rosario average £1,182 compared to £1,697 for afternoon flights. See the time-of-day chart above for the full breakdown.