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Cheap flights from London Heathrow Airport to San Luis Potosí, Mexico from £815

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 16/4. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — SLP
16 Mar — 23 Mar1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Heathrow to San Luis Potosí

Enter your travel dates to find the best prices.

Cheapest flights from Heathrow to San Luis Potosí
Explore the most affordable flight options available from Heathrow to San Luis Potosí. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 14 February 2026.

Thu 16/422:30
LHR
-
SLP
1 stop19h 50m
Aeromexico
Thu 14/512:15
SLP
-
LHR
1 stop20h 45m
Aeromexico
Deal found 10/2£815
Sat 19/910:00
LHR
-
SLP
1 stop16h 12m
United Airlines
Wed 23/911:51
SLP
-
LHR
2 stops36h 04m
United Airlines
Deal found 9/2£875
Thu 16/409:30
LHR
-
SLP
2 stops32h 19m
United Airlines
Thu 14/511:45
SLP
-
LHR
1 stop16h 50m
United Airlines
Deal found 11/2£881

Find flight deals from Heathrow to San Luis Potosí

Discover tips and strategies to find the most affordable flight options for your journey from Heathrow (LHR) to San Luis Potosí (SLP). 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 February 2026.

Round-trip from

£815
Aeromexico
  • Aeromexico
  • 16/4-14/5
  • 2 total stops
  • 40h 35m total
  • London to San Luis Potosí
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Heathrow to San Luis Potosí 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 February 2026.
Use the filters below to find and compare flights from London Heathrow Airport to San Luis Potosí that are best for you.

Fly from

Heathrow

Fly to

San Luis Potosí

Route

Depart

Return

Price

LondonSan Luis Potosí

LHR - SLP

LHRSLP

London Heathrow

Thu 16/4

22:30-11:20

1 stop19h 50m

San Luis Potosi

Thu 14/5

12:15-16:00

1 stop20h 45m

£815

LondonSan Luis Potosí

LHR - SLP

LHRSLP

London Heathrow

Thu 16/4

08:00-19:12

2 stops18h 12m

San Luis Potosi

Thu 14/5

11:45-11:35

1 stop16h 50m

£880

LondonSan Luis Potosí

LHR - SLP

LHRSLP

London Heathrow

Thu 16/4

22:30-15:25

1 stop23h 55m

San Luis Potosi

Fri 15/5

12:05-16:00

1 stop20h 55m

£889

Flights are sorted by cheapest return flights first.

Deals found on 10/2

Best time to book a flight from Heathrow to San Luis Potosí

Have a flexible travel schedule? Discover the best time to fly to San Luis Potosí from Heathrow 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 London Heathrow Airport to San Luis Potosí

What’s the top stopover airport for flights from London Heathrow Airport to San Luis Potosí?

Share of one-stop return flights from London Heathrow Airport to San Luis Potosí chosen by Cheapflights users in the past 12 months, using the same stopover each way.

Houston (IAH) – chosen by Cheapflights users on 80% of one-stop itineraries from London Heathrow Airport to San Luis Potosí on Cheapflights.

What’s the cheapest stopover airport for flights from London Heathrow Airport to San Luis Potosí?

Average return fare for one-stop flights from London Heathrow Airport to San Luis Potosí, chosen by Cheapflights users in the past 12 months, with the same stopover each way.

Mexico City (MEX) is the most affordable one-stop option, with an average return flight price of £642.

What’s the fastest stopover option from London Heathrow Airport to San Luis Potosí?

Shortest average travel time for one-stop one-way flights from London Heathrow Airport to San Luis Potosí, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by stopover airport.

Flights via Houston (IAH) have the shortest average one-way travel time for one-stop routes: 15h 23m.

Which airport typically offers the quickest stopover for flights from London Heathrow Airport to San Luis Potosí?

Average stopover duration for one-stop one-way flights from London Heathrow Airport to San Luis Potosí, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.

Flights via Houston (IAH) offer the fastest connection on this route, with an average stopover time of 1h 59m.

Reviews of airlines servicing San Luis Potosí

Get insights into the airlines that provide service to San Luis Potosí. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to San Luis Potosí. Reviews last updated 14 February 2026.
Check out reviews from past customers who have flown with United Airlines from London Heathrow Airport to San Luis Potosí to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
9,289 reviews
Check prices

Comfort

7.3

Food

6.6

Boarding

7.7

Crew

8.1

Entertainment

7.1

Overall

7.4

Reviews

1 / 20
10.0
Excellent

Tim,Sept 2025

LHR - IAD

The premium economy seats were very comfortable and the attention and service by the flight attendants was superb.
United Airlines
7.4
Good
9,289 reviews
United Airlines
7.4
Good
9,289 reviews
Check prices

Comfort

7.3

Food

6.6

Boarding

7.7

Crew

8.1

Entertainment

7.1

Overall

7.4

Reviews

1 / 20
10.0
Excellent

Tim,Sept 2025

LHR - IAD

The premium economy seats were very comfortable and the attention and service by the flight attendants was superb.

Related info for your journey

Find useful and relevant information for your journey from Heathrow to San Luis Potosí. 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 into for flights to San Luis Potosí from London Heathrow?

    San Luis Potosi (SLP), located 7.8 mi from the city center, is the airport you fly into when you book flights from London Heathrow to San Luis Potosí. 1 airline have flights to San Luis Potosi from London Heathrow on a regular basis. Booking flights from London Heathrow to San Luis Potosi should not be difficult; the airport handles an average of 0 inbound flights from London Heathrow per day.

  • How long is the flight from London Heathrow Airport to San Luis Potosí?

    Aeromexico and United Airlines can get you from London Heathrow Airport to San Luis Potosí in just under 18h 12m. Your travel time can differ by up to 1h 38m. The distance between London Heathrow Airport and San Luis Potosí is about 5452 mi. Both multi-stop and direct flights can be found to your destination and back.

  • What is the cheapest airline to fly from London Heathrow Airport to San Luis Potosí round-trip?

    According to our current data, United Airlines (£630), offers the cheapest pricing from London Heathrow Airport to San Luis Potosí.

  • Can I find deals for flights from Heathrow to San Luis Potosí that include hotel bookings?

    Yes. In addition to deals on Heathrow to San Luis Potosí flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Heathrow to San Luis Potosí?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Heathrow to San Luis Potosí.

  • Can I find deals for business class flights from Heathrow to San Luis Potosí?

    Yes. Cheapflights offers flight deals from Heathrow to San Luis Potosí 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Complete your trip

Complete your trip to San Luis Potosí by adding a car hire and/or hotel booking to your travel itinerary.
San Luis Potosi Airport car hire
Aguascalients Airport car hire

Top airline flying from Heathrow to San Luis Potosí

Discover the top airline that operate flights from Heathrow to San Luis Potosí. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 14 February 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest£630Average£882FlexibilityNo cancel feeOn-time69%
Search United Airlines flights

Fly with Cheapflights

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How does Cheapflights help users find flights from Heathrow to San Luis Potosí?

When you search for this flight from Heathrow to San Luis Potosí, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

Why should you use Cheapflights to find cheap flight tickets from Heathrow to San Luis Potosí?

Millions of users choose and trust Cheapflights to book the best flight deals from Heathrow to San Luis Potosí for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

Can Cheapflights find flights from Heathrow to San Luis Potosí with no change fees?

Yes! Cheapflights helps users easily find flights from Heathrow to San Luis Potosí with no change fees.

Can Cheapflights notify me if prices for flights from Heathrow to San Luis Potosí become cheaper?

Not ready to book yet? You can track prices for flights from Heathrow to San Luis Potosí on Cheapflights with our Price Alert feature and get notified when better prices are available.

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