Cheap Flights from London (LHR) to Posadas (PSS)

Popular airlines from Heathrow Airport (LHR) to Posadas (PSS-Libertador General Jose de San Martin)

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Frequently asked questions

How much does a flight from Heathrow Airport (LHR) to Libertador General Jose de San Martin Airport (PSS) cost?
Lock in a cheap one-way flight or cheap return flight from Heathrow Airport (LHR) to Libertador General Jose de San Martin Airport (PSS) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight offers on this route.
What is the cheapest month to fly from Heathrow Airport (LHR) to Libertador General Jose de San Martin Airport (PSS)?
The cheapest month to fly from LHR to PSS is , when demand is low. Off-peak months are often when you'll find lower airfares between these airports.
What is the cheapest airline that flies from Heathrow Airport (LHR) to Libertador General Jose de San Martin Airport (PSS)?
To find the cheapest airline that'll fly you from LHR to PSS, use Expedia's filter tool. Tailor your search based on what matters most to you, such as preferred carriers and ideal departure window. You can then sort your results by "Price (lowest to highest)" to discover the cheapest flight right away.
How many flights per day from Heathrow Airport (LHR) to Libertador General Jose de San Martin Airport (PSS)?
You'll have to hop on a flight with a layover when traveling from Heathrow Airport (LHR) to Libertador General Jose de San Martin Airport (PSS). Direct flights don't operate daily on this route. However, just filter your search to include one or two stops to find an option that works for you.
What day of the week has the most flights from LHR to PSS?
Friday is generally the busiest day for flights, while Tuesday is often the quietest.* Just remember that flight schedules can vary based on various factors, including the season and airline.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Heathrow Airport (LHR) to Libertador General Jose de San Martin Airport (PSS)?
Choose a flight from Heathrow Airport (LHR) to Libertador General Jose de San Martin Airport (PSS) that takes off before 3 PM to reduce the risk of cancellations and delays. Departures later than this are on average 22% more likely to be canceled.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Heathrow Airport (LHR) to Libertador General Jose de San Martin Airport (PSS) last-minute?
Booking your plane ticket from LHR to PSS right before your journey is generally more expensive. However, if there's some wiggle room with your travel dates and times, you could score a cheap last-minute fare.
Is it cheaper to book a LHR to PSS flight and hotel package?
Compared with arranging hotels and flights separately, booking a LHR to PSS flight and hotel package with Expedia could result in significant savings. What's more, managing everything in one place will take the stress out of travel planning. Just pick your flights and select from our wide range of stays, then tailor your trip with other add-ons like tours and car rentals.
Can I cancel or change the date of my flight from Heathrow Airport (LHR) to Libertador General Jose de San Martin Airport (PSS)?
If you reserved your LHR to PSS flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you purchased, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, visit our Customer Service portal if you'd like more information.

Travel information

Travel information

Origin airport
Heathrow
Destination airport
Libertador General Jose de San Martin
Distance
6403 mi

Book with confidence

Book with confidence

London to Posadas Flights

The cheapest times to fly from London to Posadas

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from London to Posadas are during the month of . You can find some of the cheapest flights from London to Posadas with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from London to Posadas

Sunday is one of the best days to book for cheap flights from London to Posadas: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from London to Posadas

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from London to Posadas in 2025. You can also book with separate airlines for your outbound and return journeys, from one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap London to Posadas flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your London to Posadas airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

London to Posadas Flights

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*Available to One Key members.