$732 Cheap Flights from London (LHR) to San Luis Potosi (SLP)

View $732 flight on Sun, Sep 21, 2025Opens in a new window

Popular airlines from Heathrow Airport (LHR) to San Luis Potosi Intl. Airport (SLP)

Cheap Flights from London to San Luis Potosi (LHR-SLP)

Prices were available within the past 7 days and start at $732 for one-way flights and $3,407 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Lufthansa
Fri, Dec 19 - Fri, Jan 2
LHR
London
SLP
San Luis Potosi
$3,407 Roundtrip, found 2 days ago
$3,407
Roundtrip
found 2 days ago
Select Lufthansa flight, departing Fri, Dec 19 from London to San Luis Potosi, returning Fri, Jan 2, priced at $3,407 found 2 days ago
Lufthansa
Fri, Dec 19 - Fri, Jan 2
LHR
London
SLP
San Luis Potosi
$3,413 Roundtrip, found 2 days ago
$3,413
Roundtrip
found 2 days ago
Select Lufthansa flight, departing Fri, Dec 19 from London to San Luis Potosi, returning Fri, Jan 2, priced at $3,413 found 2 days ago
Aeromexico
Sat, Dec 20 - Sat, Jan 3
LHR
London
SLP
San Luis Potosi
$3,642 Roundtrip, found 2 days ago
$3,642
Roundtrip
found 2 days ago
Select Aeromexico flight, departing Sat, Dec 20 from London to San Luis Potosi, returning Sat, Jan 3, priced at $3,642 found 2 days ago
Lufthansa
Fri, Dec 19 - Fri, Jan 2
LHR
London
SLP
San Luis Potosi
$4,828 Roundtrip, found 2 days ago
$4,828
Roundtrip
found 2 days ago
Select Lufthansa flight, departing Fri, Dec 19 from London to San Luis Potosi, returning Fri, Jan 2, priced at $4,828 found 2 days ago
Flights from London (LHR) to San Luis Potosi (SLP)
Origin airport
Heathrow
Destination airport
Ponciano Arriaga Intl.
Roundtrip price
$3,406
Distance
5455 mi

London to San Luis Potosi Flights

The cheapest times to fly from London to San Luis Potosi

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 San Luis Potosi are during the month of December. You can find some of the cheapest flights from London to San Luis Potosi with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from London to San Luis Potosi

Sunday is one of the best days to book for cheap flights from London to San Luis Potosi: 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 San Luis Potosi

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 San Luis Potosi in 2025. You can also book with separate airlines for your outbound and return journeys, from $732 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 San Luis Potosi 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 San Luis Potosi 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.

 

Frequently asked questions

How much does a flight from Heathrow Airport (LHR) to Ponciano Arriaga Intl. Airport (SLP) cost?
Grab a cheap one-way flight from $732 or cheap return flight from $3,407 from Heathrow Airport (LHR) to Ponciano Arriaga Intl. Airport (SLP) 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 Ponciano Arriaga Intl. Airport (SLP)?
December is the cheapest month to fly from LHR to SLP. Traveling during an off-peak travel window is often the key to better flight prices.
What is the cheapest airline that flies from Heathrow Airport (LHR) to Ponciano Arriaga Intl. Airport (SLP)?
Expedia's filter tool lets you easily compare airlines, flight times and baggage options all in one place. Select your preferences, then sort by "Price (lowest to highest)" to find the carrier with the cheapest LHR to SLP flight.
How many flights per day from Heathrow Airport (LHR) to Ponciano Arriaga Intl. Airport (SLP)?
Direct flights from Heathrow Airport (LHR) to Ponciano Arriaga Intl. Airport (SLP) aren't available daily, so you'll have to take a flight with a layover. Explore your options with our filter tool. Enter your travel dates and select either "1 Stop" or "2+ Stops."
What day of the week has the most flights from LHR to SLP?
You'll typically find Tuesday the quietest day for flights, while Fridays tend to be the busiest.* However this can vary from season to season and during peak travel times or public holidays.*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 Ponciano Arriaga Intl. Airport (SLP)?
Select a flight from Heathrow Airport (LHR) to Ponciano Arriaga Intl. Airport (SLP) that leaves before 3 PM to reduce the likelihood of delays and cancellations. Later departures 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 Ponciano Arriaga Intl. Airport (SLP) last-minute?
Booking your plane ticket from LHR to SLP shortly before your getaway is usually more expensive. But if you're flexible with your departure times and dates, you could score a cheap last-minute fare.
Is it cheaper to book a LHR to SLP flight and hotel package?
Compared with arranging hotels and flights separately, booking a LHR to SLP flight and hotel package with Expedia could result in significant savings. What's more, having everything in one place will take the stress out of travel planning. Simply pick your flights and select from our wide range of hotels, then personalize your trip with extras like tours, activities and car rentals.
Can I cancel or change the date of my flight from Heathrow Airport (LHR) to Ponciano Arriaga Intl. Airport (SLP)?
In most instances, you're able to reschedule or cancel your LHR to SLP flight. However, additional fees may apply, especially if your booking was made over 24 hours ago. Check your itinerary for the airline's fees and guidelines on flight changes, or if you need more details, go to our Customer Service portal.

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*Available to One Key members.