What is the cheapest airline that flies from San Antonio to London?

Delta, Aer Lingus, and United Airlines are the most popular carriers operating from San Antonio to London

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 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.

£208 Cheap Flights from San Antonio to London in 2026

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

Prices are currently low for flights on this route. Typical prices usually range from £1,202 to £874. The lowest price recently found on this route was £563.

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Find the cheapest flights from San Antonio to London

Round-trip

One-way

Last minute

Cheap return flights

Enter your travel dates to find the best prices.

14:01 - 12:00

SAT

LHR

15h 59m

1 stop

09:30 - 21:07

LHR

SAT

17h 37m

2 stops

£563United Airlines

Sun, 6 Dec - Tue, 8 Dec

07:00 - 21:20

SAT

LHR

32h 20m

1 stop

17:30 - 21:07

LHR

SAT

33h 37m

2 stops

£567United Airlines

Sat, 7 Nov - Mon, 9 Nov

16:20 - 20:35

SAT

LHR

22h 15m

2 stops

09:30 - 21:07

LHR

SAT

17h 37m

2 stops

£621United Airlines

Sun, 6 Dec - Tue, 8 Dec

16:10 - 17:40

SAT

LHR

19h 30m

2 stops

06:40 - 00:28

LHR

SAT

23h 48m

3 stops

£628Scandinavian Airlines

Sat, 7 Nov - Mon, 9 Nov

16:10 - 21:20

SAT

LHR

23h 10m

3 stops

06:40 - 22:27

LHR

SAT

21h 47m

3 stops

£633Scandinavian Airlines

Sat, 7 Nov - Mon, 9 Nov

12:55 - 08:15

SAT

LHR

13h 20m

1 stop

19:40 - 08:24

LHR

SAT

18h 44m

2 stops

£648Iberia

Tue, 17 Nov - Mon, 23 Nov

18:15 - 11:40

SAT

LHR

12h 25m

1 stop

08:40 - 21:32

LHR

SAT

18h 52m

2 stops

£649Delta

Mon, 26 Oct - Tue, 10 Nov

14:00 - 07:05

SAT

LHR

12h 05m

1 stop

11:45 - 00:28

LHR

SAT

18h 43m

2 stops

£650Delta

Tue, 27 Oct - Wed, 4 Nov

09:51 - 10:00

SAT

LGW

18h 09m

1 stop

14:00 - 18:56

LGW

SAT

34h 56m

2 stops

£664Multiple Airlines

Mon, 24 Aug - Sat, 29 Aug

09:51 - 10:00

SAT

LGW

18h 09m

1 stop

14:00 - 20:11

LGW

SAT

36h 11m

2 stops

£665Multiple Airlines

Mon, 3 Aug - Wed, 19 Aug

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Air Canada flights from San Antonio to London

Our best Air Canada deals on San Antonio to London flight tickets

Air Canada

6 Dec

SAT06:40San Antonio

18h 30m

2 stops

LHR07:10London Heathrow

8 Dec

LHR13:00London Heathrow

29h 10m

2 stops

SAT12:10San Antonio

£659

Air Canada

30 Sept

SAT12:10San Antonio

14h 25m

2 stops

LHR08:35London Heathrow

29 Oct

LHR13:00London Heathrow

31h 33m

2 stops

SAT15:33San Antonio

£667

Air Canada

28 Sept

SAT05:30San Antonio

22h 30m

2 stops

LHR10:00London Heathrow

4 Nov

LHR13:00London Heathrow

25h 48m

2 stops

SAT08:48San Antonio

£669

Lufthansa flights from San Antonio to London

Our best Lufthansa deals on San Antonio to London flight tickets

Lufthansa

27 Oct

SAT14:15San Antonio

17h 35m

2 stops

LHR12:50London Heathrow

4 Nov

LHR06:30London Heathrow

20h 43m

2 stops

SAT21:13San Antonio

£660

Lufthansa

23 Sept

SAT13:45San Antonio

21h 55m

2 stops

LHR17:40London Heathrow

5 Oct

LHR18:30London Heathrow

33h 01m

2 stops

SAT21:31San Antonio

£675

Lufthansa

23 Sept

SAT13:45San Antonio

21h 55m

2 stops

LHR17:40London Heathrow

5 Oct

LHR18:30London Heathrow

33h 01m

2 stops

SAT21:31San Antonio

£675

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

San AntonioLondon

SAT - LHR

SATLHR

San Antonio

Sun 6/12

14:01-12:00

1 stop15h 59m

London Heathrow

Tue 8/12

09:30-21:07

2 stops17h 37m

£563

San AntonioLondon

SAT - LHR

SATLHR

San Antonio

Sat 7/11

07:00-21:20

1 stop32h 20m

London Heathrow

Mon 9/11

17:30-21:07

2 stops33h 37m

£567

San AntonioLondon

SAT - LHR

SATLHR

San Antonio

Sun 6/12

16:20-20:35

2 stops22h 15m

London Heathrow

Tue 8/12

09:30-21:07

2 stops17h 37m

£621

San AntonioLondon

SAT - LHR

SATLHR

San Antonio

Sat 7/11

16:10-17:40

2 stops19h 30m

London Heathrow

Mon 9/11

06:40-00:28

3 stops23h 48m

£628

San AntonioLondon

SAT - LHR

SATLHR

San Antonio

Sat 7/11

16:10-21:20

3 stops23h 10m

London Heathrow

Mon 9/11

06:40-22:27

3 stops21h 47m

£633

San AntonioLondon

SAT - LHR

SATLHR

San Antonio

Tue 17/11

12:55-08:15

1 stop13h 20m

London Heathrow

Mon 23/11

19:40-08:24

2 stops18h 44m

£648

San AntonioLondon

SAT - LHR

SATLHR

San Antonio

Mon 26/10

18:15-11:40

1 stop12h 25m

London Heathrow

Tue 10/11

08:40-21:32

2 stops18h 52m

£649

Fastest return journey

San AntonioLondon

SAT - LHR

SATLHR

San Antonio

Tue 27/10

14:00-07:05

1 stop12h 05m

London Heathrow

Wed 4/11

11:45-00:28

2 stops18h 43m

£650

San AntonioLondon

SAT - LGW

SATLGW

San Antonio

Mon 24/8

09:51-10:00

1 stop18h 09m

London Gatwick

Sat 29/8

14:00-18:56

2 stops34h 56m

£664

San AntonioLondon

SAT - LGW

SATLGW

San Antonio

Mon 3/8

09:51-10:00

1 stop18h 09m

London Gatwick

Wed 19/8

14:00-20:11

2 stops36h 11m

£665

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

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

Prices

Airlines

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 August. Flight prices, which tend to average around £353, are often lower during this time because this is during the off-season. The month of October is another great option to travel to London, with average flight prices from San Antonio averaging around £359.

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

You are more likely to see cheaper flights to London from San Antonio when booking weeks ahead of your departure date. In general, you can expect to find flights to London for around £663 when searching weeks before you fly. 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 £476 on momondo.

Can stopping save me money on San Antonio to London flights?

You could potentially save up to 42% on your flight if you consider stops on a San Antonio to London flight.

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

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

Fastest flight time	12h 12m
Direct flights	None

The fastest flight from San Antonio to London takes 12h 12m

There are no direct flights from San Antonio to London. There are no popular flight routes from San Antonio to London.

Search flight deals

Frequently asked questions about flying from San Antonio to London

How far is San Antonio to London by plane?
There are 4985.7 mi between San Antonio and London. Typically, this will take 12h 12m 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 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.

Eastbourne

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Milton Keynes

Gatwick

Luton

Slough

Southend-on-Sea

Maidstone

Ipswich

Ilford

Canterbury

Folkestone

Guildford

Hayes

Bedford

Chichester

Dover

Harlow

Chelmsford

Colchester

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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Cheap flights from San Antonio to London from £208

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 14/7. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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Air Canada flights from San Antonio to London

Our best Air Canada deals on San Antonio to London flight tickets

Lufthansa flights from San Antonio to London

Our best Lufthansa deals on San Antonio to London flight tickets

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See travel insights to London from

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

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

What is the cheapest month to fly to London?

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

Can stopping save me money on San Antonio to London flights?

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

What is the cheapest airline that flies from San Antonio to London?

When to book flights from San Antonio to London

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

Fastest flight time

Direct flights

Frequently asked questions about flying from San Antonio to London

Travelling to a place near London?

Why use momondo?

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.

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

Fly your favourite airline to London

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