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 £942 return

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

A good deal on a flight to Rosario is around £1,196 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 is the cheapest flight to Rosario?

London Stansted Airport to Rosario is the cheapest route at £942 return, found in the past 5 days on KAYAK. London Heathrow Airport to Rosario is the most popular connection with return deals from £965.

How much is a flight to Rosario?

A return flight to Rosario costs £1,274 on average, based on data over the past 12 months on KAYAK. Return fares from London average £1,461.

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

Night flights to Rosario are the cheapest at £1,196 return on average. Evening flights are the most expensive at £1,718.

What is a good deal for flights to Rosario?

Flights under £1,196 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 £1,196.

What are the most popular airlines flying to Rosario?

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

£965 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

£942

Typical prices: £1,196-£1,461

Multiple Airlines

Fri 9/11Fri 16/11

STN - ROS • 1 stop

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

Mon, 9 Nov - Mon, 16 Nov

20:40 - 22:10STN London Stansted-ROS Rosario Fisherton

28h 30m1 stop Madrid Barajas

20:05 - 14:40ROS Rosario Fisherton-STN London Stansted

39h 35m2 stops Buenos Aires Ministro Pistarini Barcelona-El Prat

£942Multiple Airlines

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

£965LATAM 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

£972LATAM Airlines

Thu, 4 Mar - Thu, 1 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

£981LATAM Airlines

Wed, 3 Mar - Thu, 1 Apr

20:15 - 11:15LHR London Heathrow-ROS Rosario Fisherton

18h 00m1 stop Sao Paulo Guarulhos Intl

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

22h 35m1 stop Sao Paulo Guarulhos Intl

£981LATAM 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 - 18:55ROS Rosario Fisherton-LHR London Heathrow

26h 25m2 stops Sao Paulo Guarulhos Intl Madrid Barajas

£984LATAM Airlines

Thu, 4 Mar - Sun, 4 Apr

20:15 - 11:15LHR London Heathrow-ROS Rosario Fisherton

18h 00m1 stop Sao Paulo Guarulhos Intl

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

22h 35m1 stop Sao Paulo Guarulhos Intl

£989LATAM Airlines

Mon, 1 Mar - Fri, 2 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

£991LATAM Airlines

Thu, 5 Nov - Thu, 12 Nov

18:25 - 11:15STN London Stansted-ROS Rosario Fisherton

43h 50m2 stops Lisbon Humberto Delgado Sao Paulo Guarulhos Intl

20:55 - 21:50ROS Rosario Fisherton-STN London Stansted

21h 55m1 stop Madrid Barajas

£992Multiple Airlines

Thu, 4 Mar - Thu, 1 Apr

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

32h 00m2 stops Madrid Barajas Sao Paulo Guarulhos Intl

12:30 - 14:55ROS Rosario Fisherton-LHR London Heathrow

22h 25m2 stops Sao Paulo Guarulhos Intl Madrid Barajas

£992LATAM Airlines

All return flight deals to Rosario

Mon, 9 Nov - Mon, 16 Nov

20:40 - 22:10STN London Stansted-ROS Rosario Fisherton

28h 30m1 stop Madrid Barajas

20:05 - 14:40ROS Rosario Fisherton-STN London Stansted

39h 35m2 stops Buenos Aires Ministro Pistarini Barcelona-El Prat

£942Multiple Airlines

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

£965LATAM 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

£972LATAM Airlines

Thu, 4 Mar - Thu, 1 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

£981LATAM Airlines

Wed, 3 Mar - Thu, 1 Apr

20:15 - 11:15LHR London Heathrow-ROS Rosario Fisherton

18h 00m1 stop Sao Paulo Guarulhos Intl

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

22h 35m1 stop Sao Paulo Guarulhos Intl

£981LATAM 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 - 18:55ROS Rosario Fisherton-LHR London Heathrow

26h 25m2 stops Sao Paulo Guarulhos Intl Madrid Barajas

£984LATAM Airlines

Thu, 4 Mar - Sun, 4 Apr

20:15 - 11:15LHR London Heathrow-ROS Rosario Fisherton

18h 00m1 stop Sao Paulo Guarulhos Intl

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

22h 35m1 stop Sao Paulo Guarulhos Intl

£989LATAM Airlines

Mon, 1 Mar - Fri, 2 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

£991LATAM Airlines

Thu, 4 Mar - Thu, 1 Apr

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

32h 00m2 stops Madrid Barajas Sao Paulo Guarulhos Intl

12:30 - 14:55ROS Rosario Fisherton-LHR London Heathrow

22h 25m2 stops Sao Paulo Guarulhos Intl Madrid Barajas

£992LATAM Airlines

Thu, 5 Nov - Thu, 12 Nov

18:25 - 11:15STN London Stansted-ROS Rosario Fisherton

43h 50m2 stops Lisbon Humberto Delgado Sao Paulo Guarulhos Intl

20:55 - 21:50ROS Rosario Fisherton-STN London Stansted

21h 55m1 stop Madrid Barajas

£992Multiple 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 Stansted Airport to Rosario is the cheapest route at £942 return, found in the past 5 days on KAYAK. London Heathrow Airport to Rosario is the most popular connection with return deals from £965.
How much is a flight to Rosario? Average and cheapest price for all return flights to Rosario from each origin found by users searching on KAYAK in the last 12 months.: A return flight to Rosario costs £1,274 on average, based on data over the past 12 months on KAYAK. Return fares from London average £1,461.
What is the cheapest time of day to fly to Rosario? Average price for all return flights depending on time of departure, seen by users on KAYAK in the last 12 months.: Night flights to Rosario are the cheapest at £1,196 return on average. Evening flights are the most expensive at £1,718.
What is a good deal for flights to Rosario?: Flights under £1,196 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 £1,196.

Find deals

Cheapest flight	£942

Flights from London Stansted 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 £1,196 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 £942 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 £1,196 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 £522 per return. Evening flights to Rosario average £1,196 compared to £1,718 for afternoon flights. See the time-of-day chart above for the full breakdown.