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

Delta, Virgin Atlantic, and United Airlines are the most popular carriers operating from San Antonio to United Kingdom

When did momondo last update prices for flights from San Antonio Airport to United Kingdom?

Prices for flights from San Antonio Airport to United Kingdom refresh daily.

How old do you have to be to fly from San Antonio Airport to United Kingdom?

The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from San Antonio Airport to United Kingdom.

What documentation or ID do you need to fly to United Kingdom?

The travel and health documents you'll need for your trip to United Kingdom may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at United Kingdom. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

£150 Cheap Flights from San Antonio to the United Kingdom in 2026

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Find the cheapest flights from San Antonio to the United Kingdom

Round-trip

One-way

Last minute

Cheap return flights

Enter your travel dates to find the best prices.

13:22 - 10:00

SAT

LGW

14h 38m

1 stop

14:00 - 13:17

LGW

SAT

29h 17m

1 stop

£486Multiple Airlines

Thu, 2 Apr - Wed, 29 Apr

14:10 - 09:20

SAT

LHR

37h 10m

2 stops

06:40 - 23:18

LHR

SAT

22h 38m

2 stops

£507Scandinavian Airlines

Fri, 4 Sep - Mon, 7 Sep

17:24 - 17:40

SAT

LHR

18h 16m

2 stops

19:30 - 21:16

LHR

SAT

31h 46m

2 stops

£552Lufthansa

Wed, 12 Aug - Wed, 19 Aug

13:19 - 07:40

SAT

LHR

12h 21m

1 stop

08:55 - 19:44

LHR

SAT

16h 49m

1 stop

£560Iberia

Mon, 20 Apr - Sun, 26 Apr

17:35 - 14:25

SAT

LHR

14h 50m

1 stop

14:25 - 23:40

LHR

SAT

15h 15m

1 stop

£563British Airways

Wed, 22 Jul - Fri, 21 Aug

14:10 - 07:50

SAT

LHR

11h 40m

1 stop

14:25 - 23:40

LHR

SAT

15h 15m

1 stop

£566American Airlines

Wed, 22 Jul - Fri, 21 Aug

19:08 - 14:25

SAT

LHR

13h 17m

1 stop

14:25 - 21:17

LHR

SAT

12h 52m

1 stop

£567Iberia

Tue, 28 Jul - Tue, 13 Oct

17:18 - 16:40

SAT

LHR

17h 22m

2 stops

06:30 - 23:08

LHR

SAT

22h 38m

2 stops

£572Lufthansa

Mon, 27 Jul - Tue, 20 Oct

15:11 - 15:30

SAT

MAN

18h 19m

2 stops

10:35 - 21:42

MAN

SAT

17h 07m

2 stops

£599American Airlines

Wed, 8 Apr - Fri, 17 Apr

16:28 - 18:45

SAT

GLA

20h 17m

2 stops

09:35 - 23:06

GLA

SAT

19h 31m

2 stops

£714British Airways

Wed, 13 May - Tue, 26 May

Scandinavian Airlines flights from San Antonio to United Kingdom

Our best Scandinavian Airlines deals on San Antonio to United Kingdom flight tickets

Scandinavian Airlines

4 Sept

SAT14:10San Antonio

37h 10m

2 stops

LHR09:20London Heathrow

7 Sept

LHR06:40London Heathrow

22h 38m

2 stops

SAT23:18San Antonio

£507

Scandinavian Airlines

4 Sept

SAT12:15San Antonio

39h 05m

2 stops

LHR09:20London Heathrow

7 Sept

LHR06:40London Heathrow

22h 38m

2 stops

SAT23:18San Antonio

£508

Scandinavian Airlines

21 Aug

SAT14:10San Antonio

37h 10m

2 stops

LHR09:20London Heathrow

29 Aug

LHR06:40London Heathrow

22h 38m

2 stops

SAT23:18San Antonio

£555

Air Canada flights from San Antonio to United Kingdom

Our best Air Canada deals on San Antonio to United Kingdom flight tickets

Air Canada

1 Sept

SAT05:30San Antonio

19h 00m

2 stops

LHR06:30London Heathrow

30 Sept

LHR09:30London Heathrow

37h 00m

2 stops

SAT16:30San Antonio

£591

Air Canada

9 Aug

SAT09:37San Antonio

16h 03m

3 stops

EDI07:40Edinburgh Turnhouse

22 Aug

EDI09:15Edinburgh Turnhouse

19h 23m

3 stops

SAT22:38San Antonio

£637

Air Canada

9 Aug

SAT09:37San Antonio

16h 03m

3 stops

EDI07:40Edinburgh Turnhouse

22 Aug

EDI09:15Edinburgh Turnhouse

18h 01m

3 stops

SAT21:16San Antonio

£638

momondo Fare Finder

Use the filters below to find and compare flights from San Antonio to the United Kingdom that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

San AntonioLondon

SAT - LGW

SATLGW

San Antonio

Thu 2/4

13:22-10:00

1 stop14h 38m

London Gatwick

Wed 29/4

14:00-13:17

1 stop29h 17m

£486

San AntonioLondon

SAT - LHR

SATLHR

San Antonio

Fri 4/9

14:10-09:20

2 stops37h 10m

London Heathrow

Mon 7/9

06:40-23:18

2 stops22h 38m

£507

San AntonioLondon

SAT - LHR

SATLHR

San Antonio

Wed 12/8

17:24-17:40

2 stops18h 16m

London Heathrow

Wed 19/8

19:30-21:16

2 stops31h 46m

£552

San AntonioLondon

SAT - LHR

SATLHR

San Antonio

Mon 20/4

13:19-07:40

1 stop12h 21m

London Heathrow

Sun 26/4

08:55-19:44

1 stop16h 49m

£560

San AntonioLondon

SAT - LHR

SATLHR

San Antonio

Wed 22/7

17:35-14:25

1 stop14h 50m

London Heathrow

Fri 21/8

14:25-23:40

1 stop15h 15m

£563

San AntonioLondon

SAT - LHR

SATLHR

San Antonio

Wed 22/7

14:10-07:50

1 stop11h 40m

London Heathrow

Fri 21/8

14:25-23:40

1 stop15h 15m

£566

Fastest return journey

San AntonioLondon

SAT - LHR

SATLHR

San Antonio

Tue 28/7

19:08-14:25

1 stop13h 17m

London Heathrow

Tue 13/10

14:25-21:17

1 stop12h 52m

£567

San AntonioLondon

SAT - LHR

SATLHR

San Antonio

Mon 27/7

17:18-16:40

2 stops17h 22m

London Heathrow

Tue 20/10

06:30-23:08

2 stops22h 38m

£572

San AntonioManchester

SAT - MAN

SATMAN

San Antonio

Wed 8/4

15:11-15:30

2 stops18h 19m

Manchester

Fri 17/4

10:35-21:42

2 stops17h 07m

£599

San AntonioGlasgow

SAT - GLA

SATGLA

San Antonio

Wed 13/5

16:28-18:45

2 stops20h 17m

Glasgow Intl

Tue 26/5

09:35-23:06

2 stops19h 31m

£714

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 United Kingdom

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 cheapest month to fly to United Kingdom?

The cheapest month to fly to United Kingdom from San Antonio is in February. Flight prices, which tend to average around £480, are often lower during this time because this is during the off-season. If you are unable to visit United Kingdom during the month of February, then departing from San Antonio during the month September is also very affordable. Most momondo users find prices during this month for around £528.

How far in advance should I book a flight to United Kingdom?

You are more likely to see cheaper flights to United Kingdom from San Antonio when booking weeks ahead of your departure date. In general, you can expect to find flights to United Kingdom for around £656 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to United Kingdom from San Antonio for as low as £474 on momondo.

Can stopping save me money on San Antonio to United Kingdom flights?

You could potentially save up to 4% on your flight if you consider stops on a San Antonio to United Kingdom flight.

Cheap San Antonio to United Kingdom flight deals and tips

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

Fastest flight time	12h 45m
Direct flights	None

The fastest flight from San Antonio to United Kingdom takes 12h 45m

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

Search flight deals

When did momondo last update prices for flights from San Antonio Airport to United Kingdom?
Prices for flights from San Antonio Airport to United Kingdom refresh daily.
How old do you have to be to fly from San Antonio Airport to United Kingdom?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from San Antonio Airport to United Kingdom.
What documentation or ID do you need to fly to United Kingdom?
The travel and health documents you'll need for your trip to United Kingdom may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at United Kingdom. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Why use momondo?

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

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from San Antonio to United Kingdom . Millions of users trust and use momondo every year so you are in good hands.

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

momondo does allow users to show only those flights to United Kingdom from San Antonio which offer a flexible booking policy as well as other useful filters and features.

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

momondo provides multiple filters to help you find the best flight to United Kingdom from San Antonio. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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

Yes momondo offers price alerts on flights to United Kingdom from San Antonio. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.