Latest deals
Insights
When to book
FAQs
Reviews
Price Alerts

Cheap flights from San Antonio to London from £311

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from San Antonio to London departing on 8/5. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

Discover deals from 900+ travel sites with momondo.

Voted winner of Europe's Best Travel App 2023

Save money when you book flights with momondo

Big names, great deals

Big names, great deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customise your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.

Find the cheapest flights from San Antonio to London

Cheap return flights

KAYAK's recommended return flight deals from the most popular airlines that fly from San Antonio to London.
 Logo
07:00 - 10:55SAT-LGW
21h 55m1 stop
 Logo
10:45 - 14:00LGW-SAT
33h 15m1 stop
Sun, 11 May - Sat, 24 May
 Logo
07:00 - 10:55SAT-LGW
21h 55m1 stop
 Logo
10:45 - 05:04LGW-SAT
24h 19m2 stops
Sun, 11 May - Sat, 24 May
Scandinavian Airlines Logo
12:15 - 16:00SAT-LHR
21h 45m2 stops
Scandinavian Airlines Logo
06:40 - 23:21LHR-SAT
22h 41m2 stops
£513Scandinavian Airlines
Find Deal
Mon, 15 Sep - Wed, 15 Oct
Scandinavian Airlines Logo
16:10 - 21:40SAT-LHR
23h 30m2 stops
Scandinavian Airlines Logo
10:20 - 23:21LHR-SAT
19h 01m2 stops
£529Scandinavian Airlines
Find Deal
Tue, 9 Sep - Tue, 16 Sep
Finnair Logo
14:40 - 12:30SAT-LHR
15h 50m1 stop
Finnair Logo
18:10 - 17:42LHR-SAT
29h 32m2 stops
£564Finnair
Find Deal
Sun, 24 Aug - Wed, 3 Sep
British Airways Logo
12:30 - 06:25SAT-LHR
11h 55m1 stop
British Airways Logo
16:25 - 23:37LHR-SAT
13h 12m1 stop
£569British Airways
Find Deal
Sun, 24 Aug - Wed, 3 Sep
Finnair Logo
14:38 - 14:25SAT-LHR
17h 47m1 stop
Finnair Logo
08:20 - 17:42LHR-SAT
15h 22m1 stop
£591Finnair
Find Deal
Tue, 9 Sep - Tue, 16 Sep
British Airways Logo
17:30 - 12:30SAT-LHR
13h 00m1 stop
British Airways Logo
09:15 - 17:38LHR-SAT
14h 23m1 stop
£605British Airways
Find Deal
Tue, 12 Aug - Sat, 23 Aug
Virgin Atlantic Logo
12:10 - 10:00SAT-LGW
15h 50m1 stop
Virgin Atlantic Logo
12:00 - 10:42LGW-SAT
28h 42m1 stop
£640Virgin Atlantic
Find Deal
Thu, 14 Aug - Sun, 24 Aug
Virgin Atlantic Logo
18:06 - 13:10SAT-LHR
13h 04m1 stop
Virgin Atlantic Logo
09:20 - 17:07LHR-SAT
13h 47m1 stop
£678Virgin Atlantic
Find Deal
Mon, 12 May - Tue, 19 Aug

Finnair flights from San Antonio to London

Our best Finnair deals on San Antonio to London flight tickets
Finnair
24 Aug
SAT14:40San Antonio
15h 50m
1 stop
LHR12:30London Heathrow
3 Sept
LHR18:10London Heathrow
29h 32m
2 stops
SAT17:42San Antonio
Finnair
9 Sept
SAT14:38San Antonio
17h 47m
1 stop
LHR14:25London Heathrow
16 Sept
LHR08:20London Heathrow
15h 22m
1 stop
SAT17:42San Antonio
Finnair
14 Aug
SAT18:45San Antonio
11h 45m
1 stop
LHR12:30London Heathrow
24 Aug
LHR16:10London Heathrow
31h 34m
2 stops
SAT17:44San Antonio

British Airways flights from San Antonio to London

Our best British Airways deals on San Antonio to London flight tickets
British Airways
24 Aug
SAT12:30San Antonio
11h 55m
1 stop
LHR06:25London Heathrow
3 Sept
LHR16:25London Heathrow
13h 12m
1 stop
SAT23:37San Antonio
British Airways
12 Aug
SAT17:30San Antonio
13h 00m
1 stop
LHR12:30London Heathrow
23 Aug
LHR09:15London Heathrow
14h 23m
1 stop
SAT17:38San Antonio
British Airways
24 Aug
SAT12:30San Antonio
19h 55m
2 stops
LCY14:25London City
3 Sept
LCY19:05London City
27h 35m
2 stops
SAT16:40San Antonio

See travel insights to London from

How to get the cheapest flight ticket from San Antonio to London

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the typical price of a round-trip flight between San Antonio and London?

What is the cheapest month to fly to London?

The cheapest month to fly to London from San Antonio is in February. Flight prices, which tend to average around £558, are often lower during this time because this is during the off-season. The month of November is another great option to travel to London, with average flight prices from San Antonio averaging around £583.

What is the cheapest day to depart on your flight to London?

Our data shows that Monday is the least expensive day to fly to London. Tickets to fly out on this day can be as low as £0. When flying out on a Saturday, the most expensive travel day of the week, you can expect to see flight prices from San Antonio to London for around £643.

What is the cheapest time of day to depart on your flight to London?

The cheapest time of day to fly to London is in the evening when flights can be purchased for as low as £0. Flights at midday are often more expensive, with an average ticket price of £603.

How far in advance should I book a flight to London?

You are more likely to see cheaper flights to London from San Antonio when booking 20 weeks ahead of your departure date. In general, you can expect to find flights to London for around £714 when searching 20 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to London from San Antonio for as low as £630 on momondo.

How have San Antonio to London flight prices changed over time?

As of April 2025, prices for San Antonio to London flights are approximately 5% cheaper when compared to flights at the same time last year.

When to book flights from San Antonio to London

Are you open to changing your travel dates? Check out the ideal times to fly from San Antonio to London according to our flight data. Find out which month and days have the cheapest flights.
Estimated return price

Cheap San Antonio to London (SAT to LON) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from San Antonio to London

Best price found

£311

Fastest flight time

11h 06m

Direct flights

None

Airports in London

5 airports
The best one-way flight to London from San Antonio in the past 72 hours is £311. The best return flight deal from San Antonio to London found on momondo in the last 72 hours is £452.
The fastest flight from San Antonio to London takes 11h 06m
There are no direct flights from San Antonio to London. Popular non-direct routes for this connection are San Antonio Airport - London Gatwick Airport, San Antonio Airport - London Heathrow Airport and San Antonio Airport - London Stansted Airport.
There are 5 airports near London: London City (LCY), London Heathrow (LHR), London Stansted (STN), London Gatwick (LGW), London Southend (SEN)

  • How far is San Antonio to London by plane?

    There are 4985.7 mi between San Antonio and London. Typically, this will take 11h 06m by plane in normal conditions.

  • When did momondo last update prices for flights from San Antonio Airport to London?

    Prices for flights from San Antonio Airport to London refresh daily.

  • How many operators does momondo search for flights from San Antonio Airport to London?

  • How old do you have to be to fly from San Antonio Airport to London?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from San Antonio Airport to London.

  • What documentation or ID do you need to fly to London?

    The necessary travel and health documents for your London trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

  • What is the most popular airline from San Antonio to London?


Best airlines flying from San Antonio to London

Compare and see reviews for airlines that fly from San Antonio to London with momondo
Airline
Rating
Free Cancellation
Price
British AirwaysPriceFrom £583Free CancellationRating
6.6
6,811 reviews
Search British Airways flights

Travelling to a place near London?

Book flights to London if you plan to visit one of these locations
Eastbourne
Milton Keynes
Luton
Slough
Southend-on-Sea
Gatwick
Maidstone
Ipswich
Canterbury
Margate
Dartford
Ilford
Hounslow
Colchester
Guildford
Worthing
Winchester
Crawley
Chichester
Croydon

Why use momondo?

Why should I use momondo to find a flight deal from San Antonio to London?

It is quick and easy to find San Antonio to London flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to London that suits you.

Can I find flights from San Antonio to London with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to London from San Antonio with this policy.

How can momondo help me find flights from San Antonio to London?

Once all potential San Antonio to London flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from San Antonio to London right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of San Antonio to London flights. All you need is a valid email address and we will do the rest; it is that quick and easy.


An easier way to manage your London trip

We make it super easy to schedule, organise and travel with friends or family. Trips is free – and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
From?
To?
Wed 30/4
Wed 7/5

Find better results for your trip to the United Kingdom

Fly into one of these airports located in London

Airports listed have a maximum distance of 35.6 mi from London