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Cheap flights from San Antonio to the United Kingdom from £184

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 21/10. 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

Iberia Logo
18:40 - 10:50SAT-LHR
34h 10m1 stop
Iberia Logo
11:25 - 08:24LHR-SAT
26h 59m2 stops
£379Iberia
Find Deal
Sat, 18 Oct - Wed, 12 Nov
Iberia Logo
18:49 - 14:25SAT-LHR
13h 36m1 stop
Iberia Logo
11:30 - 23:00LHR-SAT
17h 30m2 stops
£380Iberia
Find Deal
Wed, 10 Sep - Wed, 24 Sep
KLM Logo
10:45 - 06:45SAT-LHR
14h 00m1 stop
KLM Logo
15:15 - 23:59LHR-SAT
14h 44m1 stop
£388KLM
Find Deal
Sun, 7 Sep - Fri, 26 Sep
Delta Logo
06:25 - 07:05SAT-LHR
18h 40m1 stop
Delta Logo
06:20 - 17:16LHR-SAT
16h 56m2 stops
£389Delta
Find Deal
Tue, 4 Nov - Thu, 20 Nov
Delta Logo
11:35 - 08:50SAT-LHR
15h 15m1 stop
Delta Logo
09:00 - 22:42LHR-SAT
19h 42m2 stops
£390Delta
Find Deal
Wed, 1 Oct - Wed, 8 Oct
British Airways Logo
12:44 - 06:25SAT-LHR
11h 41m1 stop
British Airways Logo
08:20 - 15:47LHR-SAT
13h 27m1 stop
£391British Airways
Find Deal
Tue, 30 Sep - Wed, 15 Oct
KLM Logo
10:45 - 06:45SAT-LHR
14h 00m1 stop
KLM Logo
13:05 - 23:59LHR-SAT
16h 54m1 stop
£396KLM
Find Deal
Wed, 10 Sep - Wed, 24 Sep
Virgin Atlantic Logo
14:33 - 13:30SAT-LHR
16h 57m1 stop
Virgin Atlantic Logo
09:00 - 23:46LHR-SAT
20h 46m2 stops
£420Virgin Atlantic
Find Deal
Mon, 6 Oct - Mon, 13 Oct
British Airways Logo
13:32 - 07:20SAT-LHR
11h 48m1 stop
British Airways Logo
15:10 - 23:43LHR-SAT
14h 33m1 stop
£424British Airways
Find Deal
Mon, 6 Oct - Mon, 13 Oct
Virgin Atlantic Logo
11:34 - 08:05SAT-LHR
14h 31m2 stops
Virgin Atlantic Logo
12:45 - 23:57LHR-SAT
17h 12m2 stops
£436Virgin Atlantic
Find Deal
Fri, 5 Sep - Wed, 10 Sep

British Airways flights from San Antonio to United Kingdom

Our best British Airways deals on San Antonio to United Kingdom flight tickets
British Airways
30 Sept
SAT12:44San Antonio
11h 41m
1 stop
LHR06:25London Heathrow
15 Oct
LHR08:20London Heathrow
13h 27m
1 stop
SAT15:47San Antonio
£391
Find similar
British Airways
6 Oct
SAT13:32San Antonio
11h 48m
1 stop
LHR07:20London Heathrow
13 Oct
LHR15:10London Heathrow
14h 33m
1 stop
SAT23:43San Antonio
£424
Find similar
British Airways
2 Sept
SAT12:20San Antonio
20h 05m
1 stop
LHR14:25London Heathrow
8 Sept
LHR12:15London Heathrow
17h 27m
1 stop
SAT23:42San Antonio
£429
Find similar

Iberia flights from San Antonio to United Kingdom

Our best Iberia deals on San Antonio to United Kingdom flight tickets
Iberia
18 Oct
SAT18:40San Antonio
34h 10m
1 stop
LHR10:50London Heathrow
12 Nov
LHR11:25London Heathrow
26h 59m
2 stops
SAT08:24San Antonio
£379
Find similar
Iberia
10 Sept
SAT18:49San Antonio
13h 36m
1 stop
LHR14:25London Heathrow
24 Sept
LHR11:30London Heathrow
17h 30m
2 stops
SAT23:00San Antonio
£380
Find similar
Iberia
7 Sept
SAT12:44San Antonio
14h 16m
1 stop
LHR09:00London Heathrow
25 Sept
LHR12:00London Heathrow
13h 45m
1 stop
SAT19:45San Antonio
£385
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 22 August 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

Sat 18/10

18:40-10:50

1 stop34h 10m

London Heathrow

Wed 12/11

11:25-08:24

2 stops26h 59m

£379

San AntonioLondon

SAT - LHR

SATLHR

San Antonio

Wed 10/9

18:49-14:25

1 stop13h 36m

London Heathrow

Wed 24/9

11:30-23:00

2 stops17h 30m

£380

San AntonioLondon

SAT - LHR

SATLHR

San Antonio

Sun 7/9

10:45-06:45

1 stop14h 00m

London Heathrow

Fri 26/9

15:15-23:59

1 stop14h 44m

£388

San AntonioLondon

SAT - LHR

SATLHR

San Antonio

Tue 4/11

06:25-07:05

1 stop18h 40m

London Heathrow

Thu 20/11

06:20-17:16

2 stops16h 56m

£389

San AntonioLondon

SAT - LHR

SATLHR

San Antonio

Wed 1/10

11:35-08:50

1 stop15h 15m

London Heathrow

Wed 8/10

09:00-22:42

2 stops19h 42m

£390

San AntonioLondon

SAT - LHR

SATLHR

San Antonio

Tue 30/9

12:44-06:25

1 stop11h 41m

London Heathrow

Wed 15/10

08:20-15:47

1 stop13h 27m

£391

San AntonioLondon

SAT - LHR

SATLHR

San Antonio

Wed 10/9

10:45-06:45

1 stop14h 00m

London Heathrow

Wed 24/9

13:05-23:59

1 stop16h 54m

£396

San AntonioLondon

SAT - LHR

SATLHR

San Antonio

Mon 6/10

14:33-13:30

1 stop16h 57m

London Heathrow

Mon 13/10

09:00-23:46

2 stops20h 46m

£420

San AntonioLondon

SAT - LHR

SATLHR

San Antonio

Mon 6/10

13:32-07:20

1 stop11h 48m

London Heathrow

Mon 13/10

15:10-23:43

1 stop14h 33m

£424

San AntonioLondon

SAT - LHR

SATLHR

San Antonio

Fri 5/9

11:34-08:05

2 stops14h 31m

London Heathrow

Wed 10/9

12:45-23:57

2 stops17h 12m

£436

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 £539, 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 February is also very affordable. Most momondo users find prices during this month for around £553.

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 £562. 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 £637.

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 £568. Try not to purchase tickets at midday because they tend to be around £597. 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 £730 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 £574 on momondo.

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

You could potentially save up to 14% 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 £504Free CancellationRating
7.4
658 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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