£290 Cheap Flights from San Antonio (SAT) to London (LHR)

Popular airlines from San Antonio International Airport (SAT) to Heathrow Airport (LHR)

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Cheap Flights from San Antonio (SAT) to London (LHR)

Prices were available within the past 7 days and start at £290 for one-way flights and £383 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Virgin Atlantic
Iberia
British Airways
United
Virgin Atlantic
Air France
British Airways
KLM
KLM
KLM

Find the cheapest month to fly from San Antonio (SAT) to London (LHR)

October is typically the cheapest month to fly

From £445 - £1,159 per traveller.

Graph displaying average flight prices per month

Flight from San Antonio to London route information
Origin airport
San Antonio Intl.
Destination airport
Heathrow
Airlines serving
Aer Lingus, Air Canada, Air France, American Airlines, British Airways, Brussels Airlines, Delta, Finnair, Iberia, KLM, Lufthansa, Scandinavian Airlines, United, Virgin Atlantic
Return price
£383
Distance
7953 km

Compare flights from San Antonio to London easily and book with confidence

For travelling on business or for pleasure, Expedia makes it easy to book your flights from San Antonio 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 San Antonio 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 San Antonio Intl. (SAT) to Heathrow (LHR)

The easiest way to view the best deals on flights from San Antonio 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 San Antonio Intl. to Heathrow start at just £383 and range up to £418.  

To find an even better deal, try  

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

Why you should book your San Antonio to London flight with Expedia!

We cater for all flight types, cabin classes and airlines. So whether you’re booking flights from San Antonio 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.  

Frequently asked questions

How much is a flight from San Antonio Airport to Heathrow Airport?
Within the past 7 days on Expedia, for flights departing within the next year, the lowest price quoted for a round-trip flight between SAT and LHR was £383. Cheap fares don't hang around forever, so book yours today. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from San Antonio Airport to Heathrow Airport (LHR)?
Each air carrier has its own set of terms and conditions. If you do decide to cancel, follow the instructions on our Customer Service Portal.
How do I find cheap flights from San Antonio Airport to LHR that have flexible change policies?
Many airlines offer the option to reschedule your flight without a change fee. All you pay is the difference between the original flight and the new flight. When you're searching for San Antonio Airport to LHR flights, you'll see a "no change fees" filter for you to select.
How far is the flight from San Antonio Airport to Heathrow Airport?
The distance is around 8,000 kilometres, so pack your carry-on bag with whatever you need to make your journey comfortable. Not sure what to take on board your San Antonio to Hounslow flight? Earplugs, a sleep mask and a travel pillow are among the essentials.
Which airlines fly direct from SAT to Heathrow Airport?
Flying nonstop between San Antonio Intl. Airport (SAT) and Heathrow Airport isn't possible at present. However, you'll still be able to find a flight to Hounslow with at least one stop.
Are San Antonio Airport to London Heathrow flight tickets cheaper when they're purchased at the last minute?
Last-minute bookings from San Antonio Airport to Heathrow Airport (LHR) can be hit-or-miss. You may be able to find a bargain, but then again, you could miss out altogether! If you'd prefer to play it safe and start your trip planning early, Expedia compares flight deals up to a year in advance. Just remember that not all airlines advertise their prices so far in advance. Our advice? Check back often as updates are made regularly.

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