Cheap flights from San Antonio to London from £248
This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 31/1. Fares are subject to change and may not be available on all flights or dates of travel.
SAT — LON
21 Oct — 28 Oct1
Return
1 adult
Economy
Return
1 adult, Economy, 0 bags
Cheap flight deals from San Antonio to London
Enter your travel dates to find the best prices.
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Cheapest flights from San Antonio to London
Explore the most affordable flight options available from San Antonio to London. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 21 September 2026.
Tue 13/1016:28 -
1 stop14h 22m
Tue 3/1108:25 -
2 stops18h 43m
Deal found 20/9£537
Wed 30/1215:00 -
1 stop11h 15m
Wed 13/107:35 -
2 stops18h 11m
Deal found 16/9£538
Tue 17/1109:22 -
1 stop15h 28m
Mon 23/1119:40 -
2 stops18h 54m
Deal found 20/9£543
Wed 30/1215:00 -
1 stop11h 15m
Thu 14/107:30 -
2 stops21h 29m
Deal found 16/9£543
Mon 26/1014:20 -
1 stop12h 20m
Tue 10/1113:00 -
2 stops40h 38m
Deal found 19/9£546
Mon 2/1112:45 -
1 stop15h 15m
Mon 9/1111:00 -
1 stop18h 55m
Deal found 18/9£549
Tue 1/1206:45 -
2 stops18h 25m
Tue 8/1213:00 -
2 stops39h 57m
Deal found 17/9£549
Mon 5/1005:30 -
1 stop24h 05m
Thu 15/1017:40 -
1 stop34h 33m
Deal found 16/9£552
Wed 14/1012:50 -
2 stops17h 00m
Wed 21/1006:00 -
2 stops22h 13m
Deal found 16/9£552
Wed 30/1209:23 -
1 stop16h 52m
Wed 13/114:55 -
2 stops36h 05m
Deal found 18/9£553
Tue 27/1010:48 -
1 stop17h 12m
Wed 4/1106:30 -
2 stops21h 50m
Deal found 20/9£554
Wed 4/1106:35 -
2 stops28h 00m
Wed 11/1107:45 -
2 stops20h 21m
Deal found 20/9£586
Best flights from San Antonio to London
Discover carefully curated flight deals from San Antonio to London that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 21 September 2026.
Wed 30/1207:00 -
1 stop17h 25m
Wed 13/106:30 -
2 stops16h 48m
Deal found 19/9£556
Tue 13/1013:20 -
1 stop13h 30m
Tue 3/1108:55 -
1 stop14h 19m
Deal found 20/9£561
Wed 7/1007:35 -
1 stop18h 10m
Thu 15/1017:40 -
1 stop34h 33m
Deal found 16/9£561
Mon 5/1017:30 -
2 stops18h 25m
Mon 12/1018:30 -
2 stops58h 20m
Deal found 18/9£786
Tue 1/1211:47 -
2 stops40h 08m
Sun 6/1210:55 -
2 stops58h 53m
Deal found 20/9£964
Sat 13/319:00 -
2 stops21h 35m
Sat 27/305:55 -
2 stops21h 53m
Deal found 19/9£1,048
Wed 30/1207:00 -
1 stop17h 25m
Thu 14/106:30 -
2 stops21h 02m
Deal found 20/9£556
Sun 8/1117:34 -
1 stop12h 26m
Sat 14/1111:05 -
2 stops42h 33m
Deal found 16/9£603
Tue 27/1010:48 -
2 stops15h 57m
Wed 4/1111:30 -
2 stops17h 56m
Deal found 19/9£558
Wed 21/1012:30 -
1 stop15h 30m
Thu 5/1110:45 -
1 stop19h 45m
Deal found 18/9£561
Fri 16/1006:35 -
1 stop18h 10m
Mon 26/1013:00 -
2 stops31h 13m
Deal found 16/9£622
Wed 21/1018:24 -
1 stop12h 41m
Wed 4/1109:50 -
1 stop17h 20m
Deal found 18/9£561
Wed 30/1218:30 -
2 stops16h 05m
Thu 14/108:40 -
2 stops18h 52m
Deal found 20/9£592
Wed 30/1218:30 -
2 stops16h 05m
Wed 13/107:45 -
2 stops19h 07m
Deal found 19/9£592
Tue 1/1211:47 -
2 stops22h 43m
Sun 6/1206:30 -
2 stops22h 29m
Deal found 20/9£966
Wed 21/1013:20 -
1 stop13h 30m
Mon 2/1120:10 -
1 stop22h 08m
Deal found 18/9£598
Thu 17/1205:05 -
2 stops23h 50m
Mon 28/1211:55 -
2 stops17h 20m
Deal found 18/9£1,117
Tue 27/1011:45 -
2 stops41h 10m
Wed 4/1110:55 -
2 stops41h 56m
Deal found 19/9£1,016
Tue 20/1010:48 -
1 stop13h 37m
Mon 2/1110:50 -
1 stop14h 58m
Deal found 18/9£598
Mon 2/1118:03 -
2 stops33h 52m
Mon 9/1110:55 -
2 stops41h 56m
Deal found 18/9£1,017
Tue 27/1011:45 -
2 stops40h 25m
Wed 4/1106:30 -
2 stops22h 21m
Deal found 20/9£1,022
Wed 13/117:55 -
2 stops33h 15m
Sat 23/105:55 -
2 stops22h 55m
Deal found 16/9£1,038
Sat 6/316:00 -
2 stops15h 15m
Fri 12/310:00 -
2 stops18h 27m
Deal found 16/9£717
Sun 18/1017:58 -
2 stops40h 42m
Sun 25/1017:20 -
2 stops34h 31m
Deal found 20/9£1,057
Mon 5/1011:47 -
2 stops22h 53m
Thu 15/1017:35 -
2 stops28h 18m
Deal found 16/9£1,058
Sun 7/317:55 -
2 stops40h 25m
Tue 16/317:20 -
2 stops34h 28m
Deal found 18/9£1,058
Tue 29/1218:29 -
2 stops16h 06m
Tue 5/110:00 -
2 stops19h 20m
Deal found 16/9£895
Sun 7/317:55 -
2 stops33h 15m
Tue 16/317:25 -
2 stops34h 23m
Deal found 18/9£1,064
Tue 29/1218:29 -
2 stops16h 06m
Wed 6/107:45 -
2 stops19h 07m
Deal found 16/9£895
Mon 5/1011:47 -
2 stops22h 53m
Thu 15/1010:50 -
2 stops35h 03m
Deal found 16/9£1,064
Last-minute flights from San Antonio to London
Discover last-minute flight deals from San Antonio to London. Data last updated 21 September 2026 and is based on user searches.
Sun 27/907:00 -
2 stops17h 30m
Tue 13/1020:25 -
2 stops31h 48m
Deal found 18/9£555
Sun 27/918:10 -
2 stops17h 10m
Tue 13/1010:00 -
2 stops17h 48m
Deal found 16/9£627
Mon 5/1005:30 -
1 stop24h 05m
Thu 15/1017:40 -
1 stop34h 33m
Deal found 16/9£552
Wed 7/1007:35 -
1 stop18h 10m
Thu 15/1006:50 -
2 stops22h 00m
Deal found 16/9£555
Tue 13/1016:28 -
1 stop14h 22m
Tue 3/1108:25 -
2 stops18h 43m
Deal found 20/9£537
Tue 13/1013:41 -
2 stops14h 39m
Tue 3/1111:30 -
2 stops17h 56m
Deal found 20/9£558
Wed 14/1012:50 -
2 stops17h 00m
Wed 21/1006:00 -
2 stops22h 13m
Deal found 16/9£552
Wed 14/1005:30 -
1 stop19h 45m
Wed 21/1011:45 -
2 stops18h 48m
Deal found 16/9£556
Sat 17/1020:21 -
2 stops31h 39m
Sun 1/1112:35 -
1 stop26h 43m
Deal found 18/9£618
Mon 26/1014:20 -
1 stop12h 20m
Tue 10/1113:00 -
2 stops40h 38m
Deal found 19/9£546
Tue 27/1012:46 -
1 stop16h 14m
Wed 4/1119:05 -
2 stops19h 24m
Deal found 16/9£543
Tue 27/1010:48 -
1 stop17h 12m
Wed 4/1106:30 -
2 stops21h 50m
Deal found 20/9£554
One-way flights from San Antonio to London
Search for one-way flight options from San Antonio to London. Find affordable one-way fares based on user searches. Data last updated 21 September 2026.
Sun 31/105:30 -
1 stop20h 10m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 20/9£248
Sun 31/110:45 -
2 stops16h 15m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 20/9£252
Wed 28/1020:20 -
3 stops44h 30m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 19/9£258
Sun 31/110:45 -
2 stops16h 05m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 20/9£261
Thu 31/1206:00 -
1 stop19h 05m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 17/9£277
Thu 31/1211:57 -
1 stop15h 18m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 17/9£278
Thu 31/1211:50 -
2 stops17h 00m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 17/9£281
Wed 28/1020:20 -
3 stops54h 45m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 19/9£282
Thu 31/1216:45 -
2 stops17h 00m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 17/9£289
Wed 28/1020:20 -
3 stops56h 00m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 19/9£294
Wed 18/1120:20 -
3 stops58h 30m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 16/9£296
Thu 31/1211:09 -
2 stops16h 21m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 17/9£298
Find flight deals from San Antonio to London
Discover tips and strategies to find the most affordable flight options for your journey from San Antonio (SAT) to London (LON). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 21 September 2026.
Customise your flight search to find flights from San Antonio to London 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, Cheapflights users made 7,457,451 searches. Data last updated 21 September 2026.
Use the filters below to find and compare flights from San Antonio to London that are best for you.
Fly from
Fly to
Route
Depart
Return
Price
Cheapest return flight
San AntonioLondon
SAT San Antonio - LHR London Heathrow
SATLHR
San Antonio
Sun 31/1
10:00-08:25
2 stops16h 25m
London Heathrow
Wed 31/12
00:00-17:00
Nonstop0h 00m
£248
San AntonioLondon
SAT San Antonio - LGW London Gatwick
SATLGW
San Antonio
Sun 31/1
10:45-09:00
2 stops16h 15m
London Gatwick
Wed 31/12
00:00-17:00
Nonstop0h 00m
£252
San AntonioLondon
SAT San Antonio - LHR London Heathrow
SATLHR
San Antonio
Thu 31/12
11:50-10:50
2 stops17h 00m
London Heathrow
Wed 31/12
00:00-17:00
Nonstop0h 00m
£281
San AntonioLondon
SAT San Antonio - LCY London City
SATLCY
San Antonio
Thu 31/12
11:09-09:30
2 stops16h 21m
London City
Wed 31/12
00:00-17:00
Nonstop0h 00m
£298
San AntonioLondon
SAT San Antonio - LGW London Gatwick
SATLGW
San Antonio
Wed 28/10
20:20-10:55
2 stops33h 35m
London Gatwick
Wed 31/12
00:00-17:00
Nonstop0h 00m
£301
San AntonioLondon
SAT San Antonio - LHR London Heathrow
SATLHR
San Antonio
Wed 28/10
20:20-10:50
2 stops33h 30m
London Heathrow
Wed 31/12
00:00-17:00
Nonstop0h 00m
£301
San AntonioLondon
SAT San Antonio - LHR London Heathrow
SATLHR
San Antonio
Thu 24/12
07:38-10:15
1 stop20h 37m
London Heathrow
Wed 31/12
00:00-17:00
Nonstop0h 00m
£324
San AntonioLondon
SAT San Antonio - LHR London Heathrow
SATLHR
San Antonio
Wed 23/12
12:25-20:35
2 stops26h 10m
London Heathrow
Wed 31/12
00:00-17:00
Nonstop0h 00m
£328
San AntonioLondon
SAT San Antonio - STN London Stansted
SATSTN
San Antonio
Sun 31/1
20:22-21:25
3 stops43h 03m
London Stansted
Wed 31/12
00:00-17:00
Nonstop0h 00m
£349
San AntonioLondon
SAT San Antonio - LCY London City
SATLCY
San Antonio
Wed 28/10
20:20-10:45
3 stops57h 25m
London City
Wed 31/12
00:00-17:00
Nonstop0h 00m
£374
Flights are sorted by cheapest return flights first.
Deals found on 20/9
Showing 1-10 of 60 resultsSorted by cheapest first
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Best time to book a flight from San Antonio to London
Have a flexible travel schedule? Discover the best time to fly to London from San Antonio with our price prediction graph.
SAT-LON
SAT-LHR
SAT-LGW
SAT-LCY
SAT-STN
Estimated return price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from San Antonio to London
SAT-LON
SAT-LHR
SAT-LGW
SAT-LCY
SAT-STN
What is the cheapest month to book a flight from San Antonio to London?
Currently, February is the cheapest month in which you can book a flight from San Antonio to London (average of £511). Flying from San Antonio to London in June is currently the most expensive (average of £1,055). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
How much does it cost for a return flight from San Antonio to London?
Airfare is typical for this route at the moment.
San Antonio to London flights typically cost between £494 and £807 in December.The cheapest return price found within the last 5 days was £535 on Virgin Atlantic (6 Dec–22 Dec).
What’s the top stopover airport for flights from San Antonio to London?
Share of one-stop return flights from San Antonio to London chosen by Cheapflights users in the past 12 months, using the same stopover each way.
Houston (IAH) – chosen by Cheapflights users on 50% of one-stop itineraries from San Antonio to London on Cheapflights.
What’s the cheapest stopover airport for flights from San Antonio to London?
Average return fare for one-stop flights from San Antonio to London, chosen by Cheapflights users in the past 12 months, with the same stopover each way.
Atlanta (ATL) is the most affordable one-stop option, with an average return flight price of £469.
What’s the fastest stopover option from San Antonio to London?
Shortest average travel time for one-stop one-way flights from San Antonio to London, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by stopover airport.
Flights via Atlanta (ATL) have the shortest average one-way travel time for one-stop routes: 10h 45m.
Which airport typically offers the quickest stopover for flights from San Antonio to London?
Average stopover duration for one-stop one-way flights from San Antonio to London, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.
Flights via Atlanta (ATL) offer the fastest connection on this route, with an average stopover time of 1h 04m.
How far ahead should I book a flight from San Antonio to London?
The best time to book flights from San Antonio to London is 20 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.
Related info for your journey
Find useful and relevant information for your journey from San Antonio to London. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
What airport do you fly from for flights from San Antonio to London?
Most people fly from San Antonio (SAT) if they book a flight from San Antonio to London. On average, San Antonio has 0 outbound flights to London per day from 0 airlines. San Antonio is conveniently located just 7.6 mi from San Antonio’s city center.
How long is the flight from San Antonio to London?
There are many flights that can get you from San Antonio to London in 17h 25m. Fly via Delta or Turkish Airlines to get the fastest option. San Antonio and London are separated by a distance of 4967 mi. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.
What are the most popular routes from San Antonio to London?
The most popular flight routes from San Antonio to London are San Antonio - London Heathrow, San Antonio - London Gatwick and San Antonio - London Stansted.
Can I find deals for flights from San Antonio to London that include hotel bookings?
Yes. In addition to deals on San Antonio to London flights, Cheapflights offers holiday packages that include both flights and hotel.
How can I find direct flights from San Antonio to London?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from San Antonio to London.
Can I find deals for business class flights from San Antonio to London?
Yes. Cheapflights offers flight deals from San Antonio to London by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.
What is the cheapest month to book a flight from San Antonio to London?
Currently, February is the cheapest month in which you can book a flight from San Antonio to London (average of £511). Flying from San Antonio to London in June is currently the most expensive (average of £1,055). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
Explore flights to London departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on 21 September 2026.
Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.
How does Cheapflights help users find flights from San Antonio to London?
900+ travel sites are searched through when a user searches for a flight using Cheapflights. From the search interface, users can use filters to choose airlines, airports, flight times, cabin classes and more to their preference. Book your flight to London from San Antonio today with Cheapflights!
Why should you use Cheapflights to find cheap flight tickets from San Antonio to London?
It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from San Antonio to London.
Can Cheapflights find flights from San Antonio to London with no change fees?
Yes! Cheapflights helps users easily find flights from San Antonio to London with no change fees.
Can Cheapflights notify me if prices for flights from San Antonio to London become cheaper?
Of course! You can now track prices for flights from San Antonio to London and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.
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