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Cheap flights from San Luis Potosí, Mexico to London Heathrow Airport from £696

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 5/2. Fares are subject to change and may not be available on all flights or dates of travel.
SLP — LHR
27 Feb — 6 Mar1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from San Luis Potosí to Heathrow

Enter your travel dates to find the best prices.

Cheapest flights from San Luis Potosí to Heathrow
Explore the most affordable flight options available from San Luis Potosí to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 28 January 2026.

Thu 5/212:49
SLP
-
LHR
1 stop12h 41m
United Airlines
Mon 9/210:00
LHR
-
SLP
1 stop17h 00m
United Airlines
Deal found 26/1£696
Sat 9/511:45
SLP
-
LHR
2 stops36h 10m
United Airlines
Thu 28/506:55
LHR
-
SLP
2 stops19h 17m
United Airlines
Deal found 26/1£729
Sun 10/507:12
SLP
-
LHR
2 stops16h 23m
United Airlines
Wed 27/506:55
LHR
-
SLP
2 stops19h 17m
United Airlines
Deal found 26/1£735
Sat 9/511:45
SLP
-
LHR
2 stops36h 10m
United Airlines
Tue 26/516:40
LHR
-
SLP
2 stops33h 32m
United Airlines
Deal found 26/1£738
Mon 11/507:12
SLP
-
LHR
1 stop17h 28m
United Airlines
Mon 25/514:05
LHR
-
SLP
2 stops60h 07m
United Airlines
Deal found 26/1£740
Sun 10/507:12
SLP
-
LHR
2 stops16h 23m
United Airlines
Tue 26/516:40
LHR
-
SLP
2 stops25h 24m
United Airlines
Deal found 26/1£743
Tue 12/509:40
SLP
-
LHR
2 stops38h 35m
Delta
Wed 27/506:30
LHR
-
SLP
2 stops19h 05m
Delta
Deal found 26/1£763
Mon 11/507:12
SLP
-
LHR
1 stop17h 28m
United Airlines
Sun 24/510:00
LHR
-
SLP
1 stop16h 12m
United Airlines
Deal found 26/1£767
Sun 10/509:40
SLP
-
LHR
2 stops21h 55m
Delta
Thu 28/509:20
LHR
-
SLP
1 stop16h 15m
Delta
Deal found 26/1£768
Fri 8/511:45
SLP
-
LHR
2 stops35h 45m
United Airlines
Wed 27/510:00
LHR
-
SLP
1 stop16h 12m
United Airlines
Deal found 26/1£769
Mon 11/507:12
SLP
-
LHR
2 stops16h 23m
United Airlines
Tue 26/512:15
LHR
-
SLP
2 stops29h 49m
United Airlines
Deal found 26/1£778

Find flight deals from San Luis Potosí to Heathrow

Discover tips and strategies to find the most affordable flight options for your journey from San Luis Potosí (SLP) to Heathrow (LHR). 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 28 January 2026.

Round-trip from

£729

Popular in

July

Cheapest in

November
United Airlines
  • United Airlines
  • 9/5-28/5
  • 4 total stops
  • 55h 27m total
  • San Luis Potosí to London
Search Deals
Highest demand for flights based on searches. 5% potential increase in price (£34 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (£16 potential savings vs. average return price).
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from San Luis Potosí to Heathrow 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 28 January 2026.
Use the filters below to find and compare flights from San Luis Potosí to London Heathrow Airport that are best for you.

Fly from

San Luis Potosí

Fly to

Heathrow

Route

Depart

Return

Price

San Luis PotosíLondon

SLP - LHR

SLPLHR

San Luis Potosi

Mon 11/5

07:12-11:35

1 stop21h 23m

London Heathrow

Wed 27/5

06:55-19:12

2 stops19h 17m

£729

San Luis PotosíLondon

SLP - LHR

SLPLHR

San Luis Potosi

Tue 12/5

07:12-07:40

1 stop17h 28m

London Heathrow

Wed 27/5

06:55-19:12

2 stops19h 17m

£729

San Luis PotosíLondon

SLP - LHR

SLPLHR

San Luis Potosi

Mon 11/5

07:12-07:40

1 stop17h 28m

London Heathrow

Thu 28/5

06:55-19:12

2 stops19h 17m

£729

San Luis PotosíLondon

SLP - LHR

SLPLHR

San Luis Potosi

Sun 10/5

07:12-06:35

2 stops16h 23m

London Heathrow

Wed 27/5

06:55-19:12

2 stops19h 17m

£735

San Luis PotosíLondon

SLP - LHR

SLPLHR

San Luis Potosi

Thu 14/5

07:12-06:35

2 stops16h 23m

London Heathrow

Wed 27/5

06:55-19:12

2 stops19h 17m

£735

San Luis PotosíLondon

SLP - LHR

SLPLHR

San Luis Potosi

Mon 11/5

07:12-07:40

1 stop17h 28m

London Heathrow

Tue 26/5

16:40-19:12

2 stops33h 32m

£738

San Luis PotosíLondon

SLP - LHR

SLPLHR

San Luis Potosi

Tue 12/5

07:12-11:35

1 stop21h 23m

London Heathrow

Tue 26/5

16:40-11:04

2 stops25h 24m

£738

San Luis PotosíLondon

SLP - LHR

SLPLHR

San Luis Potosi

Sat 9/5

11:45-06:55

2 stops36h 10m

London Heathrow

Tue 26/5

16:40-19:12

2 stops33h 32m

£738

San Luis PotosíLondon

SLP - LHR

SLPLHR

San Luis Potosi

Tue 12/5

07:12-07:40

1 stop17h 28m

London Heathrow

Thu 28/5

13:40-11:04

1 stop28h 24m

£738

Flights are sorted by cheapest return flights first.

Deals found on 26/1

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

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

Related info for your journey

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

    If you book a flight to London Heathrow from San Luis Potosí, you will be flying from San Luis Potosi, which is the city’s only airport. San Luis Potosi (SLP) is located 7.8 mi from the center of San Luis Potosí. There are 0 flights from San Luis Potosi to London Heathrow per day from 0 different airlines.

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

    There are many flights that can get you from San Luis Potosí to London Heathrow Airport in 21h 23m. Fly via United Airlines to get the fastest option. Airlines will cover a distance of 5452 mi.

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

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

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

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

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

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

Travelling to a place near London Heathrow Airport?

Book flights to London Heathrow Airport if you plan to visit one of these locations
Milton Keynes
Luton
Croydon
Wembley
Northampton
Gatwick
Slough
Hounslow
Ilford
Brentford
Hayes
Watford
Colchester
Guildford
Swindon
Chelmsford
Bedford
Crawley
Kingston upon Thames
Eastbourne

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

Deals for San Luis Potosí to Heathrow flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

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

Millions of users choose and trust Cheapflights to book the best flight deals from San Luis Potosí to Heathrow 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 San Luis Potosí to Heathrow with no change fees?

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

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

Of course! You can now track prices for flights from San Luis Potosí to Heathrow and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.

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