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Cheap flights from San Antonio to London from £211

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 10/4. 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

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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
10:55 - 14:00LGW-SAT
33h 05m1 stop
Wed, 30 Apr - Wed, 7 May
 Logo
07:00 - 10:55SAT-LGW
21h 55m1 stop
 Logo
10:55 - 10:47LGW-SAT
29h 52m2 stops
Wed, 30 Apr - Wed, 7 May
Air Canada Logo
07:00 - 10:00SAT-LHR
21h 00m2 stops
Air Canada Logo
09:30 - 20:34LHR-SAT
17h 04m2 stops
£466Air Canada
Find Deal
Wed, 30 Apr - Wed, 7 May
Iberia Logo
17:30 - 10:50SAT-LHR
11h 20m1 stop
Iberia Logo
14:25 - 23:29LHR-SAT
15h 04m1 stop
£518Iberia
Find Deal
Mon, 15 Sep - Wed, 15 Oct
Scandinavian Airlines Logo
11:59 - 17:40SAT-LHR
23h 41m2 stops
Scandinavian Airlines Logo
17:00 - 00:14LHR-SAT
37h 14m2 stops
£521Scandinavian Airlines
Find Deal
Mon, 12 May - Tue, 19 Aug
Iberia Logo
18:34 - 12:15SAT-LHR
11h 41m1 stop
Iberia Logo
08:20 - 18:38LHR-SAT
16h 18m1 stop
£524Iberia
Find Deal
Wed, 14 May - Wed, 21 May
Virgin Atlantic Logo
11:25 - 10:00SAT-LGW
16h 35m2 stops
Virgin Atlantic Logo
12:00 - 00:14LGW-SAT
18h 14m2 stops
£524Virgin Atlantic
Find Deal
Mon, 11 Aug - Fri, 22 Aug
Virgin Atlantic Logo
12:10 - 10:00SAT-LGW
15h 50m1 stop
Virgin Atlantic Logo
12:00 - 10:42LGW-SAT
28h 42m1 stop
£525Virgin Atlantic
Find Deal
Mon, 11 Aug - Fri, 22 Aug
Scandinavian Airlines Logo
12:15 - 16:00SAT-LHR
21h 45m2 stops
Scandinavian Airlines Logo
10:20 - 23:21LHR-SAT
19h 01m2 stops
£530Scandinavian Airlines
Find Deal
Mon, 15 Sep - Wed, 15 Oct
Air Canada Logo
07:00 - 11:50SAT-LHR
22h 50m2 stops
Air Canada Logo
14:05 - 15:45LHR-SAT
31h 40m2 stops
£534Air Canada
Find Deal
Wed, 23 Apr - Tue, 29 Apr

United Airlines flights from San Antonio to London

Our best United Airlines deals on San Antonio to London flight tickets
United Airlines
23 Apr
SAT16:52San Antonio
13h 28m
1 stop
LHR12:20London Heathrow
30 Apr
LHR09:30London Heathrow
32h 42m
2 stops
SAT12:12San Antonio
United Airlines
30 Apr
SAT14:11San Antonio
12h 09m
1 stop
LHR08:20London Heathrow
7 May
LHR07:25London Heathrow
19h 09m
2 stops
SAT20:34San Antonio
United Airlines
7 May
SAT14:25San Antonio
15h 20m
2 stops
LHR11:45London Heathrow
14 May
LHR14:05London Heathrow
32h 10m
2 stops
SAT16:15San Antonio

British Airways flights from San Antonio to London

Our best British Airways deals on San Antonio to London flight tickets
British Airways
11 May
SAT15:15San Antonio
13h 15m
1 stop
LHR10:30London Heathrow
14 Aug
LHR06:10London Heathrow
19h 46m
2 stops
SAT19:56San Antonio
British Airways
5 May
SAT15:15San Antonio
11h 55m
1 stop
LHR09:10London Heathrow
13 May
LHR14:25London Heathrow
15h 25m
1 stop
SAT23:50San Antonio
British Airways
10 May
SAT20:34San Antonio
35h 01m
2 stops
LHR13:35London Heathrow
14 Aug
LHR06:10London Heathrow
19h 46m
2 stops
SAT19:56San 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 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 £574, are often lower during this time because this is during the off-season. The month of April is another great option to travel to London, with average flight prices from San Antonio averaging around £581.

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 £661.

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 £620.

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 13 weeks ahead of your departure date. In general, you can expect to find flights to London for around £737 when searching 13 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 £669 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 14% 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

£211

Fastest flight time

11h 20m

Direct flights

None

Airports in London

4 airports
The best one-way flight to London from San Antonio in the past 72 hours is £211. The best return flight deal from San Antonio to London found on momondo in the last 72 hours is £438.
The fastest flight from San Antonio to London takes 11h 20m
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 4 airports near London: London City (LCY), London Heathrow (LHR), London Stansted (STN), London Gatwick (LGW)

  • How far is San Antonio to London by plane?

    There are 4985.7 mi between San Antonio and London. Typically, this will take 11h 20m 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 £599Free CancellationRating
6.6
6,718 reviews
Search British Airways flights

Travelling to a place near London?

Book flights to London if you plan to visit one of these locations
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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.


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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