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

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Compare San Antonio International to London flight deals

Find the cheapest month or even day of the year to fly to London

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Flight deals from San Antonio International to London

Looking for a cheap last-minute deal or the best return flight from San Antonio International to London? Find the lowest prices on one-way and return tickets right here.
London.$1,045 per passenger.Departing Tue, 5 Aug, returning Wed, 20 Aug.Return flight with Iberia.Outbound indirect flight with Iberia, departs from San Antonio International on Tue, 5 Aug, arriving in London Heathrow.Inbound indirect flight with Iberia, departs from London Gatwick on Wed, 20 Aug, arriving in San Antonio International.Price includes taxes and charges.From $1,045, select.
London.$1,048 per passenger.Departing Tue, 10 Feb, returning Tue, 17 Feb.Return flight with Iberia.Outbound indirect flight with Iberia, departs from San Antonio International on Tue, 10 Feb, arriving in London Heathrow.Inbound indirect flight with Iberia, departs from London Heathrow on Tue, 17 Feb, arriving in San Antonio International.Price includes taxes and charges.From $1,048, select.
London.$1,068 per passenger.Departing Tue, 2 Sep, returning Tue, 16 Sep.Return flight with United.Outbound indirect flight with United, departs from San Antonio International on Tue, 2 Sep, arriving in London Heathrow.Inbound indirect flight with United, departs from London Heathrow on Tue, 16 Sep, arriving in San Antonio International.Price includes taxes and charges.From $1,068, select.
London.$1,070 per passenger.Departing Wed, 21 Jan, returning Wed, 28 Jan.Return flight with United.Outbound indirect flight with United, departs from San Antonio International on Wed, 21 Jan, arriving in London Heathrow.Inbound indirect flight with United, departs from London Heathrow on Wed, 28 Jan, arriving in San Antonio International.Price includes taxes and charges.From $1,070, select.
London.$1,070 per passenger.Departing Wed, 8 Oct, returning Wed, 15 Oct.Return flight with United.Outbound indirect flight with United, departs from San Antonio International on Wed, 8 Oct, arriving in London Heathrow.Inbound indirect flight with United, departs from London Heathrow on Wed, 15 Oct, arriving in San Antonio International.Price includes taxes and charges.From $1,070, select.
London.$1,073 per passenger.Departing Tue, 4 Nov, returning Tue, 11 Nov.Return flight with United.Outbound indirect flight with United, departs from San Antonio International on Tue, 4 Nov, arriving in London Heathrow.Inbound indirect flight with United, departs from London Heathrow on Tue, 11 Nov, arriving in San Antonio International.Price includes taxes and charges.From $1,073, select.
London.$1,073 per passenger.Departing Wed, 24 Sep, returning Wed, 1 Oct.Return flight with United.Outbound indirect flight with United, departs from San Antonio International on Wed, 24 Sep, arriving in London Heathrow.Inbound indirect flight with United, departs from London Heathrow on Wed, 1 Oct, arriving in San Antonio International.Price includes taxes and charges.From $1,073, select.
London.$1,075 per passenger.Departing Mon, 29 Dec, returning Thu, 15 Jan.Return flight with Delta.Outbound indirect flight with Delta, departs from San Antonio International on Mon, 29 Dec, arriving in London Heathrow.Inbound indirect flight with Delta, departs from London Heathrow on Thu, 15 Jan, arriving in San Antonio International.Price includes taxes and charges.From $1,075, select.

Find the cheapest month to fly from San Antonio International to London

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like San Antonio International to London flights are currently cheapest in August.
May
from $1,358
Jun
from $1,145
Jul
from $1,494
Aug
from $1,045
Sep
from $1,068
Oct
from $1,070
Nov
from $1,073
Dec
from $1,084
Jan
from $1,070
Feb
from $1,048
Mar
Find prices
Apr
Find prices

Alternative San Antonio International to London routes

Looking for the cheapest, fastest or easiest route from San Antonio International to London? You could fly into the following airports instead.

San Antonio to London: Flight information

The things to know before you go.
Cheapest flight found$1,045
Cheapest month to flyAugust

Finding cheap flights from San Antonio International to London: Frequently asked questions

There are 6 airports in London: London City, London Heathrow, London Gatwick, London Luton, London Stansted, and London Southend.
The best price we found for a return flight from San Antonio International to London is $1,045. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
Currently, there are no airlines that fly direct from San Antonio International to London. But we found flights with one or more stops from $1,045.
As of May 2025, there are no flights flying from San Antonio International to London.
The cheapest month to fly from San Antonio International to London is usually May 2025.
If you're flying from San Antonio International Airport, the cheapest airport near London is London Heathrow – which is 22.9 km away from the centre of London. We've found flights into this airport from $1,045.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from San Antonio International Airport to London on Tuesday, 5 August 2025.
No airlines currently offer direct flights between San Antonio International Airport and London. Most routes have one or more stops.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to London but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to London is around 40 days in advance, so don’t leave your flight to the last minute.
In May, the average temperature is usually around 12°C. August is typically the warmest month in London, when it usually averages around 22°C. You can expect the least rain in March. The coldest month is January, with temperatures averaging 1°C. The rainiest month is October.
Currently, Iberia offers the cheapest flight tickets to London.

Flying from San Antonio International Airport (SAT) to London: what you need to know

  • The timezone in London is UTC+0. The city is five hours ahead of San Antonio, where San Antonio International Airport is located.

  • To avoid missing your SAT to London flight, leave plenty of time for things like baggage drop and finding your gate. Arriving two hours before international departures and an hour before domestic flights is the general rule.

  • Longer lines at check-in and security are more likely if you're travelling during high season, so allow some extra breathing space. A good rule of thumb for peak periods? Get there up to four hours ahead for international flights and two hours for domestic departures.

  • Stopovers are the ideal opportunity to break up your trip and perhaps even tick a new city off your list. When browsing for flight tickets from SAT to London, deselect the 'Direct flights only' box to see where you can visit along the way. Here are some options to consider:

    • Hartsfield-Jackson Atlanta International Airport (ATL)

    • Dallas/Fort Worth International Airport (DFW)

    • Frankfurt Airport (FRA)

  • Located around 13 kilometres from the centre of San Antonio, SAT can be reached in about 20 minutes by car. Travelling on public transport will take roughly 1 hour 30 minutes.

  • Want a hassle-free start to your trip? Stay near SAT. Whether you're taking an early flight from San Antonio International Airport to London or just don't want to be rushed, these hotels have you covered:

  • San Antonio International Airport scores high marks for its on-time performance. 83.17% of flights that take off from SAT reach their destination without delay.

  • SAT's address is 9800 Airport Boulevard.

How to find the cheapest flights from San Antonio International Airport (SAT) to London

  • $349 is currently the best price for a one-way San Antonio International Airport to London flight. A return flight ticket starts from $1,045. These fares can change based on demand and availability.

  • Booking early is often the key to locking in a cheap flight from SAT to London. Prices tend to rise as demand increases, so the closer your departure date, the more you'll likely pay.

  • The 'Whole month' search tool will show you the cheapest tickets from San Antonio International Airport to London across the month. It's an easy way to find a bargain if your travel plans are flexible.

  • Save time looking for cheap flights from SAT to London by setting up a Price Alert. You'll get an email or push notification on the app when a new low fare is offered.

  • Choose your preferred departure and arrival times, number of stops and airlines with our filters. Then, sort the results for your flight from San Antonio International Airport to London by 'Cheapest,' 'Fastest' or 'Best.'

Airports in London

London Heathrow Airport (LHR)

  • London Heathrow Airport (LHR) to the centre of London takes around 55 minutes by car. The centre is roughly 31 kilometres away.

  • It takes around 1 hour if you're travelling by public transport.

  • If you're coming in on a late flight from San Antonio International Airport to London, nothing beats the convenience of staying close to the terminal. Grab your suitcases from the carousel and then be showered and sleeping not long after at one of these hotels near LHR:

  • Pick up a London Heathrow Airport rental car and discover London and beyond with your own set of wheels. Surprice, U-Save and Green Motion are leading providers to choose from here.

  • To secure the lowest price, reserve your ride from London Heathrow Airport about one week ahead of your flight from SAT to London.

London Gatwick Airport (LGW)

  • The centre of London is about 80 kilometres from London Gatwick Airport (LGW). After your flight from San Antonio International Airport to London has touched down and you've made your way to arrivals, expect a drive of around 1 hour 20 minutes.

  • You can expect the trip to take roughly 30 minutes on public transport.

  • You'll find some comfortable places to rest your head close to LGW. Tuck yourself in and get cosy after your SAT to London flight at one of these well-located options:

  • The fastest way to reach your destination is with a London Gatwick Airport rental car. Collect a set of wheels from Green Motion, U-Save or Drivalia and make a speedy getaway.

  • Avoid paying more than you need to. Booking your ride three weeks ahead of your arrival at LGW can land you a better rate.

Stansted Airport (STN)

  • Hop off your flight from San Antonio International Airport to London and head for your hotel or jump right into exploring. The centre of London is around 64 kilometres from Stansted Airport (STN) and usually takes 1 hour to drive there.

  • Public transport can take you there in about 1 hour 25 minutes.

  • Stay at a hotel close to STN and get from baggage claim to your bed in a snap. Whether you're coming in on a late SAT to London flight or just want to keep your travel plans simple, these stays will have you settling in quickly:

  • Start your journey without stressing over how to get to your destination with a Stansted Airport rental car. Book your wheels with reliable companies here like Green Motion, Drivalia and Europcar.

  • Plan ahead and get the perks. Book your ride from STN four weeks before your flight from San Antonio International Airport to London to access the best deals.

Best time to go to London

  • Carefully consider your trip dates before booking your flight from San Antonio International Airport to London. The city comes alive in peak season, but hotel prices are usually higher and top attractions can be busy. Plan your trip to London in the low season if you like a quieter vibe.

  • Lock in a San Antonio International Airport to London flight ticket with a departure in July to visit the city during its warmest month. Expect temperatures to range from 11ºC (52ºF) to 26ºC (79ºF).

  • Search for cheap tickets from SAT to London in January if you'd rather travel during cooler conditions. Temperatures are at their lowest then, ranging between 0ºC (32ºF) and 9ºC (48ºF) on average.

More about London

  • When it comes to looking for somewhere to rest your head, you'll find the best places to stay in London right here. Explore these hotels as soon as you've locked in your flight from San Antonio International Airport to London:

  • All great adventures should include a little sightseeing. The British Museum, Big Ben and Buckingham Palace are must-do's during your London adventure.

Explore more of United Kingdom

  • You've done London, now it's time to discover more of United Kingdom. Travel around 161 kilometres north-west to Birmingham to check off its leading attractions. From Cadbury World to The Library of Birmingham and National Sea Life Centre, you'll have a full itinerary ahead.

  • Bristol is another must-experience destination in United Kingdom and is around 177 kilometres west of London. No journey is complete without dropping by Clifton Suspension Bridge, Cabot Tower and Brandon Hill Nature Park.

Plan the rest of your trip from San Antonio to London

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.