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Cheap flights from San Antonio to the United Kingdom from £243

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 the United Kingdom departing on 16/2. 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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0 bags

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Find the cheapest flights from San Antonio to the United Kingdom

Cheap return flights

Air Canada Logo
06:45 - 06:30SAT-LHR
17h 45m2 stops
Air Canada Logo
14:05 - 15:33LHR-SAT
31h 28m2 stops
£375Air Canada
Find Deal
Sun, 5 Oct - Tue, 21 Oct
Air Canada Logo
19:38 - 06:30SAT-LHR
28h 52m2 stops
Air Canada Logo
14:05 - 15:33LHR-SAT
31h 28m2 stops
£379Air Canada
Find Deal
Sat, 11 Oct - Tue, 21 Oct
Iberia Logo
15:00 - 08:35SAT-LHR
11h 35m1 stop
Iberia Logo
14:10 - 21:49LHR-SAT
13h 39m1 stop
£383Iberia
Find Deal
Tue, 4 Nov - Thu, 20 Nov
Delta Logo
11:35 - 12:05SAT-LHR
18h 30m1 stop
Delta Logo
09:00 - 22:42LHR-SAT
19h 42m2 stops
£386Delta
Find Deal
Wed, 1 Oct - Wed, 8 Oct
United Airlines Logo
14:14 - 11:05SAT-LHR
14h 51m2 stops
United Airlines Logo
12:00 - 22:56LHR-SAT
16h 56m2 stops
£388United Airlines
Find Deal
Tue, 4 Nov - Thu, 20 Nov
Delta Logo
11:26 - 08:50SAT-LHR
15h 24m2 stops
Delta Logo
11:30 - 00:20LHR-SAT
18h 50m2 stops
£389Delta
Find Deal
Wed, 1 Oct - Wed, 8 Oct
United Airlines Logo
07:16 - 07:40SAT-LHR
18h 24m1 stop
United Airlines Logo
14:10 - 22:55LHR-SAT
14h 45m1 stop
£390United Airlines
Find Deal
Tue, 30 Sep - Tue, 7 Oct
Virgin Atlantic Logo
12:23 - 08:05SAT-LHR
13h 42m2 stops
Virgin Atlantic Logo
11:45 - 22:42LHR-SAT
15h 57m2 stops
£391Virgin Atlantic
Find Deal
Tue, 21 Oct - Thu, 30 Oct
Iberia Logo
14:36 - 14:05SAT-LCY
17h 29m2 stops
Iberia Logo
07:50 - 20:00LCY-SAT
18h 10m2 stops
£405Iberia
Find Deal
Wed, 11 Feb - Wed, 18 Feb
Virgin Atlantic Logo
18:21 - 21:15SAT-BHX
21h 54m2 stops
Virgin Atlantic Logo
10:25 - 00:20BHX-SAT
19h 55m2 stops
£471Virgin Atlantic
Find Deal
Tue, 28 Oct - Tue, 4 Nov

Virgin Atlantic flights from San Antonio to United Kingdom

Our best Virgin Atlantic deals on San Antonio to United Kingdom flight tickets
Virgin Atlantic
21 Oct
SAT12:23San Antonio
13h 42m
2 stops
LHR08:05London Heathrow
30 Oct
LHR11:45London Heathrow
15h 57m
2 stops
SAT22:42San Antonio
£391
Find similar
Virgin Atlantic
28 Oct
SAT18:21San Antonio
21h 54m
2 stops
BHX21:15Birmingham
4 Nov
BHX10:25Birmingham
19h 55m
2 stops
SAT00:20San Antonio
£471
Find similar
Virgin Atlantic
14 Oct
SAT10:55San Antonio
15h 40m
1 stop
MAN08:35Manchester
28 Oct
MAN13:00Manchester
26h 51m
1 stop
SAT10:51San Antonio
£495
Find similar

Scandinavian Airlines flights from San Antonio to United Kingdom

Our best Scandinavian Airlines deals on San Antonio to United Kingdom flight tickets
Scandinavian Airlines
14 Jan
SAT16:10San Antonio
41h 50m
2 stops
LHR16:00London Heathrow
17 Jan
LHR06:40London Heathrow
22h 53m
2 stops
SAT23:33San Antonio
£399
Find similar
Scandinavian Airlines
15 Jan
SAT10:45San Antonio
23h 15m
2 stops
LHR16:00London Heathrow
19 Jan
LHR10:20London Heathrow
18h 57m
2 stops
SAT23:17San Antonio
£445
Find similar
Scandinavian Airlines
11 Feb
SAT16:10San Antonio
23h 30m
2 stops
LHR21:40London Heathrow
18 Feb
LHR07:05London Heathrow
22h 12m
3 stops
SAT23:17San Antonio
£448
Find similar

momondo Fare Finder

 
Customise your flight search to find flights from San Antonio to United Kingdom that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 279,928 searches. Data last updated 15 September 2025.
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

San AntonioLondon

SAT - LHR

SATLHR

San Antonio

Sun 5/10

06:45-06:30

2 stops17h 45m

London Heathrow

Tue 21/10

14:05-15:33

2 stops31h 28m

£375

San AntonioLondon

SAT - LHR

SATLHR

San Antonio

Sat 11/10

19:38-06:30

2 stops28h 52m

London Heathrow

Tue 21/10

14:05-15:33

2 stops31h 28m

£379

San AntonioLondon

SAT - LHR

SATLHR

San Antonio

Tue 4/11

15:00-08:35

1 stop11h 35m

London Heathrow

Thu 20/11

14:10-21:49

1 stop13h 39m

£383

San AntonioLondon

SAT - LHR

SATLHR

San Antonio

Wed 1/10

11:35-12:05

1 stop18h 30m

London Heathrow

Wed 8/10

09:00-22:42

2 stops19h 42m

£386

San AntonioLondon

SAT - LHR

SATLHR

San Antonio

Tue 4/11

14:14-11:05

2 stops14h 51m

London Heathrow

Thu 20/11

12:00-22:56

2 stops16h 56m

£388

San AntonioLondon

SAT - LHR

SATLHR

San Antonio

Wed 1/10

11:26-08:50

2 stops15h 24m

London Heathrow

Wed 8/10

11:30-00:20

2 stops18h 50m

£389

San AntonioLondon

SAT - LHR

SATLHR

San Antonio

Tue 30/9

07:16-07:40

1 stop18h 24m

London Heathrow

Tue 7/10

14:10-22:55

1 stop14h 45m

£390

San AntonioLondon

SAT - LHR

SATLHR

San Antonio

Tue 21/10

12:23-08:05

2 stops13h 42m

London Heathrow

Thu 30/10

11:45-22:42

2 stops15h 57m

£391

San AntonioLondon

SAT - LCY

SATLCY

San Antonio

Wed 11/2

14:36-14:05

2 stops17h 29m

London City

Wed 18/2

07:50-20:00

2 stops18h 10m

£405

San AntonioBirmingham

SAT - BHX

SATBHX

San Antonio

Tue 28/10

18:21-21:15

2 stops21h 54m

Birmingham

Tue 4/11

10:25-00:20

2 stops19h 55m

£471

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to the United Kingdom from

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

What is the cheapest month to fly to United Kingdom?

The cheapest month to fly to United Kingdom from San Antonio is in August. Flight prices, which tend to average around £534, 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 August, then departing from San Antonio during the month September is also very affordable. Most momondo users find prices during this month for around £545.

What is the cheapest day to depart on your flight to United Kingdom?

The cheapest day to depart from San Antonio to United Kingdom is on a Thursday. Travellers who choose to depart for United Kingdom on a Thursday will often find tickets for as low as £557. 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 United Kingdom for around £631.

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

The cheapest time of day to fly to United Kingdom is in the afternoon when flights can be purchased for as low as £563. Try not to purchase tickets at midday because they tend to be around £592. Of course, these prices can vary depending on the time of year and what airport you fly to.

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 £703 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 £551 on momondo.

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

You could potentially save up to 11% 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

Direct flights

None
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 many operators does momondo search for flights from San Antonio Airport to United Kingdom?

  • 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.

Best airlines flying from San Antonio to United Kingdom

Compare and see reviews for airlines that fly from San Antonio to United Kingdom with momondo
Airline
Rating
Free Cancellation
Price
Virgin AtlanticPriceFrom £500Free CancellationRating
7.4
664 reviews
Search Virgin Atlantic flights

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.

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