£373 Cheap Flights from Sao Luis (SLZ) to London (LHR)

View £373 flight on Sat, 5 Dec 2026Opens in a new window

Flight 1

Popular airlines from Sao Luis (SLZ-Marechal Cunha Machado Intl.) to Heathrow Airport (LHR)

  • Be in the know

    Get alerts if flight prices drop or rise*

  • Book smarter

    Save up to 25% on select hotels after you book a flight*

  • Earn twice

    Earn your airline miles on top of our rewards
    Sign in

Cheap Flights from Sao Luis (SLZ) to London (LHR)

Prices were available within the past 7 days and start at £373 for one-way flights and £817 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

GOL Linhas Aereas S.A.
Thu, 12 Nov - Thu, 8 Apr
SLZ
São Luís
LHR
London
£817 Return, found 14 hours ago
£817
Return
found 14 hours ago
Select GOL Linhas Aereas S.A. flight, departing Thu, 12 Nov from São Luís to London, returning Thu, 8 Apr, priced at £817 found 14 hours ago
Swiss International Air Lines
Thu, 12 Nov - Thu, 8 Apr
SLZ
São Luís
LHR
London
£817 Return, found 14 hours ago
£817
Return
found 14 hours ago
Select Swiss International Air Lines flight, departing Thu, 12 Nov from São Luís to London, returning Thu, 8 Apr, priced at £817 found 14 hours ago
LATAM Airlines Group
Thu, 12 Nov - Thu, 8 Apr
SLZ
São Luís
LHR
London
£822 Return, found 14 hours ago
£822
Return
found 14 hours ago
Select LATAM Airlines Group flight, departing Thu, 12 Nov from São Luís to London, returning Thu, 8 Apr, priced at £822 found 14 hours ago
GOL Linhas Aereas S.A.
Thu, 12 Nov - Thu, 8 Apr
SLZ
São Luís
LHR
London
£846 Return, found 14 hours ago
£846
Return
found 14 hours ago
Select GOL Linhas Aereas S.A. flight, departing Thu, 12 Nov from São Luís to London, returning Thu, 8 Apr, priced at £846 found 14 hours ago
Swiss International Air Lines
Thu, 12 Nov - Thu, 8 Apr
SLZ
São Luís
LHR
London
£846 Return, found 14 hours ago
£846
Return
found 14 hours ago
Select Swiss International Air Lines flight, departing Thu, 12 Nov from São Luís to London, returning Thu, 8 Apr, priced at £846 found 14 hours ago
LATAM Airlines Group
Thu, 12 Nov - Thu, 8 Apr
SLZ
São Luís
LHR
London
£851 Return, found 14 hours ago
£851
Return
found 14 hours ago
Select LATAM Airlines Group flight, departing Thu, 12 Nov from São Luís to London, returning Thu, 8 Apr, priced at £851 found 14 hours ago
GOL Linhas Aereas S.A.
Mon, 15 Jun - Wed, 2 Dec
SLZ
São Luís
LHR
London
£878 Return, found 4 days ago
£878
Return
found 4 days ago
Select GOL Linhas Aereas S.A. flight, departing Mon, 15 Jun from São Luís to London, returning Wed, 2 Dec, priced at £878 found 4 days ago
GOL Linhas Aereas S.A.
Mon, 15 Jun - Wed, 2 Dec
SLZ
São Luís
LHR
London
£880 Return, found 4 days ago
£880
Return
found 4 days ago
Select GOL Linhas Aereas S.A. flight, departing Mon, 15 Jun from São Luís to London, returning Wed, 2 Dec, priced at £880 found 4 days ago
Air France
Mon, 15 Jun - Wed, 2 Dec
SLZ
São Luís
LHR
London
£886 Return, found 4 days ago
£886
Return
found 4 days ago
Select Air France flight, departing Mon, 15 Jun from São Luís to London, returning Wed, 2 Dec, priced at £886 found 4 days ago
Azul
Wed, 15 Jul - Thu, 3 Dec
SLZ
São Luís
LHR
London
£921 Return, found 3 days ago
£921
Return
found 3 days ago
Select Azul flight, departing Wed, 15 Jul from São Luís to London, returning Thu, 3 Dec, priced at £921 found 3 days ago

Frequently asked questions

How do I find cheap flights from Sao Luis (SLZ-Marechal Cunha Machado Intl.) to London (LHR-Heathrow)?
To find a cheap flight from Sao Luis (SLZ-Marechal Cunha Machado Intl.) to London (LHR-Heathrow), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.
What is the best time to fly from Sao Luis (SLZ-Marechal Cunha Machado Intl.) to London (LHR-Heathrow)?
The best time to fly is usually mid-week (Tuesday or Wednesday) and during early morning hours as flights tend to be cheaper, less crowded, and generally more on-time. Avoid major holidays and peak vacation seasons for smoother travel. Combining off-peak days and hours often gives the best combination of cost, comfort, and convenience.
How many flights per day from Sao Luis (SLZ-Marechal Cunha Machado Intl.) to London (LHR-Heathrow)?
There are approximately 12 connecting flights per day from Sao Luis (SLZ-Marechal Cunha Machado Intl.) to London (LHR-Heathrow). Some common connection points include Guarulhos - Governor Andre Franco Montoro Intl. (GRU), Pinto Martins Intl. (FOR), and Congonhas (CGH).
What is the earliest flight from Sao Luis (SLZ-Marechal Cunha Machado Intl.) to London (LHR-Heathrow)?
Sort flights by "Departure (earliest)" on Expedia to find the earliest flight from SLZ to LHR. To compare more early flights, use the "Early Morning" and "Morning" filters in your search.
How long does it take to fly from Sao Luis (SLZ-Marechal Cunha Machado Intl.) to London (LHR-Heathrow)?
Flights from SLZ to LHR with one stop typically take around 23 hours 30 minutes, covering approximately 4,529 miles. Keep in mind that actual flight times can vary due to wind patterns, weather, and air traffic.
Can you fly business or first class from Sao Luis (SLZ-Marechal Cunha Machado Intl.) to London (LHR-Heathrow)?
Select the "Business class" and "First class" filters when looking for SLZ to LHR flights on Expedia. This is the easiest way to compare prices, routes and flight times for your trip.
How do I earn miles on a Sao Luis (SLZ-Marechal Cunha Machado Intl.) to London (LHR-Heathrow) flight with Expedia?
It's easy to earn miles on a Sao Luis (SLZ-Marechal Cunha Machado Intl.) to London (LHR-Heathrow) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia.*Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.
Is it cheaper to buy a plane ticket from Sao Luis (SLZ-Marechal Cunha Machado Intl.) to London (LHR-Heathrow) at the last minute?
Typically, booking a last minute flight from Sao Luis (SLZ-Marechal Cunha Machado Intl.) to London (LHR-Heathrow) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a Sao Luis (SLZ-Marechal Cunha Machado Intl.) to London (LHR-Heathrow) flight and hotel package?
Securing a Sao Luis (SLZ-Marechal Cunha Machado Intl.) to London (LHR-Heathrow) flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Sao Luis (SLZ-Marechal Cunha Machado Intl.) to London (LHR-Heathrow)?
If you booked your Sao Luis (SLZ-Marechal Cunha Machado Intl.) to London (LHR-Heathrow) 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 have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.

Travel information

Origin airport
Marechal Cunha Machado Intl.
Destination airport
Heathrow
Airlines serving
Air France, GOL Linhas Aereas S.A., LATAM Airlines Group, Swiss International Air Lines, TAP Portugal, Turkish Airlines
Return price
£816
Distance
7245 km

Book with confidence

Compare flights from Sao Luis to London easily and book with confidence

For travelling on business or for pleasure, Expedia makes it easy to book your flights from Sao Luis to London. Operating between them flights per day, 20 airlines cover the route. And fly direct, getting you to Heathrow in just hours. If you have a preferred carrier, use our advanced search tool to find the right flight from Marechal Cunha Machado Intl. to Heathrow.  

To make things even better, in the advanced search, you can also choose to fly economy, premium economy, business or first class, select your maximum number of stops, and pick your preferred departure and arrival time. You can also opt for refundable and direct flights. 

Grab a great deal on your flight from Marechal Cunha Machado Intl. (SLZ) to Heathrow (LHR)

The easiest way to view the best deals on flights from Sao Luis to London today is to enter your travel dates and hit search. From here, you can sort your results by price to see the cheapest flights first. Right now, return flights from Marechal Cunha Machado Intl. to Heathrow start at just £817 and range up to £921.  

To find an even better deal, try  

  • being flexible on your dates – midweek flights can be cheaper
  • looking for other airports near Sao Luis and London
  • booking your flight during November, the cheapest month on this route
  • varying your flight times – early morning and late at night are sometimes cheaper 

Why you should book your Sao Luis to London flight with Expedia!

We cater for all flight types, cabin classes and airlines. So whether you’re booking flights from Marechal Cunha Machado Intl. to Heathrow for a budget break or a business trip with a bit of pleasure thrown in, we make it easy to secure the seat that’s right for you.  

Thanks to our supersized inventory that offers great choice all in one place, you know you’ll get a great deal with Expedia. Especially if you bundle your flight together with your hotel, you will unlock amazing savings. For added peace of mind, you can choose flexible bookings or filter to find refundable options, so you won’t pay a fee to change your flight.  

Compare flights from Sao Luis to London easily and book with confidence

Explore a world of travel with Expedia

*Available to Expedia members.