Cheap flights from San Antonio to London from £234
This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 6/10. Fares are subject to change and may not be available on all flights or dates of travel.
SAT — LON
10 Oct — 17 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 10 September 2026.
Fri 13/1110:13 -
1 stop17h 47m
Wed 9/1209:45 -
1 stop16h 27m
Deal found 7/9£517
Fri 13/1110:13 -
1 stop17h 47m
Sun 6/1212:35 -
1 stop37h 37m
Deal found 7/9£522
Mon 5/1010:05 -
1 stop17h 55m
Tue 20/1014:00 -
1 stop25h 08m
Deal found 8/9£533
Tue 17/1117:47 -
1 stop12h 23m
Mon 23/1118:45 -
2 stops19h 49m
Deal found 9/9£538
Tue 6/1008:50 -
1 stop15h 45m
Tue 20/1017:40 -
1 stop34h 33m
Deal found 10/9£545
Mon 5/1005:30 -
1 stop24h 05m
Tue 20/1017:40 -
1 stop34h 33m
Deal found 10/9£546
Tue 6/1008:50 -
1 stop21h 00m
Tue 20/1019:30 -
2 stops32h 43m
Deal found 10/9£547
Tue 6/1012:46 -
1 stop11h 34m
Tue 13/1015:15 -
1 stop14h 43m
Deal found 8/9£548
Tue 22/908:50 -
1 stop15h 45m
Fri 2/1014:10 -
2 stops32h 21m
Deal found 10/9£548
Wed 30/1207:00 -
1 stop17h 25m
Thu 14/106:30 -
2 stops21h 02m
Deal found 10/9£550
Mon 5/1009:48 -
3 stops18h 12m
Tue 20/1019:30 -
2 stops32h 43m
Deal found 10/9£552
Mon 5/1016:00 -
2 stops15h 05m
Tue 20/1009:55 -
2 stops19h 12m
Deal found 10/9£553
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 10 September 2026.
Mon 5/1016:00 -
2 stops15h 05m
Tue 20/1009:55 -
2 stops19h 12m
Deal found 10/9£553
Tue 22/918:07 -
1 stop12h 58m
Fri 2/1011:15 -
1 stop16h 04m
Deal found 9/9£555
Mon 19/1012:30 -
1 stop15h 30m
Sun 25/1010:50 -
1 stop18h 43m
Deal found 9/9£592
Mon 5/1012:10 -
1 stop12h 45m
Mon 26/1011:05 -
2 stops41h 30m
Deal found 5/9£663
Wed 11/1112:24 -
2 stops14h 51m
Wed 9/1209:50 -
2 stops17h 17m
Deal found 5/9£739
Thu 1/1008:50 -
2 stops28h 45m
Mon 5/1008:30 -
2 stops19h 43m
Deal found 5/9£795
Tue 10/1111:45 -
2 stops40h 10m
Tue 8/1217:20 -
2 stops35h 38m
Deal found 7/9£979
Mon 26/1016:29 -
1 stop14h 11m
Tue 10/1110:50 -
1 stop14h 58m
Deal found 10/9£555
Sun 25/1010:48 -
1 stop17h 12m
Sun 1/1110:50 -
1 stop14h 58m
Deal found 9/9£592
Mon 5/1010:59 -
2 stops16h 41m
Tue 20/1010:35 -
2 stops18h 32m
Deal found 10/9£564
Sun 25/1010:48 -
1 stop14h 37m
Sun 1/1106:30 -
2 stops19h 18m
Deal found 9/9£587
Thu 1/1008:50 -
2 stops22h 05m
Mon 5/1008:40 -
2 stops19h 33m
Deal found 5/9£807
Tue 27/1014:20 -
2 stops22h 20m
Wed 4/1109:50 -
2 stops17h 36m
Deal found 6/9£834
Wed 30/1211:09 -
2 stops14h 46m
Wed 13/108:40 -
2 stops18h 52m
Deal found 6/9£648
Sun 8/1105:15 -
2 stops23h 40m
Sun 15/1111:55 -
2 stops19h 00m
Deal found 7/9£859
Wed 30/1216:05 -
2 stops15h 40m
Thu 14/108:40 -
2 stops18h 12m
Deal found 6/9£648
Tue 17/1111:45 -
2 stops46h 35m
Mon 23/1110:55 -
2 stops41h 56m
Deal found 6/9£979
Wed 10/212:10 -
2 stops15h 05m
Tue 16/209:50 -
2 stops17h 23m
Deal found 5/9£868
Wed 30/1211:09 -
2 stops15h 51m
Thu 14/110:00 -
2 stops19h 20m
Deal found 7/9£653
Wed 21/1017:58 -
2 stops33h 57m
Wed 28/1010:05 -
2 stops41h 46m
Deal found 5/9£986
Tue 27/1010:48 -
1 stop17h 12m
Wed 4/1106:30 -
2 stops21h 50m
Deal found 6/9£655
Tue 10/1111:45 -
2 stops46h 45m
Tue 8/1206:30 -
2 stops22h 28m
Deal found 7/9£986
Sun 22/1105:15 -
2 stops23h 40m
Mon 30/1111:55 -
2 stops17h 20m
Deal found 7/9£916
Tue 15/1206:16 -
1 stop19h 34m
Tue 22/1210:00 -
2 stops18h 38m
Deal found 7/9£688
Tue 27/1011:45 -
2 stops29h 50m
Wed 4/1110:05 -
2 stops42h 46m
Deal found 7/9£1,026
Sun 25/1019:15 -
2 stops22h 20m
Sun 1/1117:25 -
2 stops35h 26m
Deal found 9/9£1,026
Thu 10/1218:37 -
2 stops15h 58m
Thu 24/1207:45 -
2 stops21h 07m
Deal found 8/9£703
Fri 30/1017:57 -
2 stops41h 23m
Sat 7/1110:55 -
2 stops41h 56m
Deal found 8/9£1,061
Fri 23/1011:47 -
2 stops47h 33m
Tue 27/1017:20 -
2 stops34h 31m
Deal found 8/9£1,117
Fri 23/1011:47 -
2 stops41h 08m
Sat 31/1010:55 -
2 stops41h 56m
Deal found 5/9£1,119
Last-minute flights from San Antonio to London
Discover last-minute flight deals from San Antonio to London. Data last updated 10 September 2026 and is based on user searches.
Tue 22/908:50 -
1 stop15h 45m
Fri 2/1014:10 -
2 stops32h 21m
Deal found 10/9£548
Tue 22/908:00 -
1 stop17h 15m
Tue 29/909:55 -
2 stops17h 19m
Deal found 8/9£550
Wed 23/913:55 -
1 stop11h 20m
Wed 30/913:25 -
1 stop16h 43m
Deal found 9/9£555
Mon 5/1010:05 -
1 stop17h 55m
Tue 20/1014:00 -
1 stop25h 08m
Deal found 8/9£533
Mon 5/1005:30 -
1 stop24h 05m
Tue 20/1017:40 -
1 stop34h 33m
Deal found 10/9£546
Mon 5/1009:48 -
3 stops18h 12m
Tue 20/1019:30 -
2 stops32h 43m
Deal found 10/9£552
Mon 5/1016:00 -
2 stops15h 05m
Tue 20/1009:55 -
2 stops19h 12m
Deal found 10/9£553
Mon 5/1010:59 -
2 stops16h 41m
Tue 20/1010:35 -
2 stops18h 32m
Deal found 10/9£564
Tue 6/1008:50 -
1 stop15h 45m
Tue 20/1017:40 -
1 stop34h 33m
Deal found 10/9£545
Tue 6/1008:50 -
1 stop21h 00m
Tue 20/1019:30 -
2 stops32h 43m
Deal found 10/9£547
Tue 6/1012:46 -
1 stop11h 34m
Tue 13/1015:15 -
1 stop14h 43m
Deal found 8/9£548
Tue 6/1010:48 -
2 stops14h 22m
Tue 13/1011:30 -
2 stops17h 37m
Deal found 8/9£553
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 10 September 2026.
Tue 6/1015:19 -
2 stops36h 41m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 8/9£234
Wed 24/212:24 -
2 stops14h 01m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 5/9£245
Mon 22/210:45 -
2 stops16h 15m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 5/9£249
Wed 24/207:30 -
3 stops17h 40m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 5/9£254
Mon 22/206:45 -
2 stops20h 05m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 5/9£258
Fri 9/1022:34 -
2 stops53h 26m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 9/9£260
Thu 31/1216:45 -
1 stop12h 55m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 5/9£263
Thu 31/1205:20 -
2 stops19h 50m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 5/9£278
Tue 6/1010:48 -
3 stops28h 32m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 8/9£279
Fri 11/1207:38 -
2 stops18h 07m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 10/9£282
Thu 8/1005:30 -
3 stops35h 50m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 9/9£290
Thu 25/212:10 -
2 stops15h 20m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 5/9£294
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 10 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 10 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
Fastest return journey
San AntonioLondon
SAT San Antonio - LHR London Heathrow
SATLHR
San Antonio
Wed 24/2
16:25-11:40
1 stop13h 15m
London Heathrow
Wed 31/12
00:00-17:00
Nonstop0h 00m
£245
San AntonioLondon
SAT San Antonio - LGW London Gatwick
SATLGW
San Antonio
Tue 23/2
06:30-09:00
2 stops20h 30m
London Gatwick
Wed 31/12
00:00-17:00
Nonstop0h 00m
£249
San AntonioLondon
SAT San Antonio - LGW London Gatwick
SATLGW
San Antonio
Wed 24/2
14:10-15:45
2 stops19h 35m
London Gatwick
Wed 31/12
00:00-17:00
Nonstop0h 00m
£249
San AntonioLondon
SAT San Antonio - LCY London City
SATLCY
San Antonio
Tue 23/2
14:00-16:35
2 stops20h 35m
London City
Wed 31/12
00:00-17:00
Nonstop0h 00m
£258
San AntonioLondon
SAT San Antonio - LCY London City
SATLCY
San Antonio
Wed 24/2
16:00-16:35
2 stops18h 35m
London City
Wed 31/12
00:00-17:00
Nonstop0h 00m
£258
San AntonioLondon
SAT San Antonio - LGW London Gatwick
SATLGW
San Antonio
Fri 9/10
22:34-10:00
2 stops53h 26m
London Gatwick
Wed 31/12
00:00-17:00
Nonstop0h 00m
£260
San AntonioLondon
SAT San Antonio - LGW London Gatwick
SATLGW
San Antonio
Tue 6/10
10:48-07:55
3 stops39h 07m
London Gatwick
Wed 31/12
00:00-17:00
Nonstop0h 00m
£279
San AntonioLondon
SAT San Antonio - LHR London Heathrow
SATLHR
San Antonio
Fri 11/12
08:55-09:40
1 stop18h 45m
London Heathrow
Wed 31/12
00:00-17:00
Nonstop0h 00m
£282
San AntonioLondon
SAT San Antonio - LHR London Heathrow
SATLHR
San Antonio
Fri 26/2
16:25-11:40
1 stop13h 15m
London Heathrow
Wed 31/12
00:00-17:00
Nonstop0h 00m
£282
San AntonioLondon
SAT San Antonio - LHR London Heathrow
SATLHR
San Antonio
Fri 11/12
07:38-07:45
2 stops18h 07m
London Heathrow
Wed 31/12
00:00-17:00
Nonstop0h 00m
£282
Flights are sorted by cheapest return flights first.
Deals found on 8/9
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-LGW
SAT-LHR
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-LGW
SAT-LHR
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 £505). Flying from San Antonio to London in June is currently the most expensive (average of £1,043). 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 £387 and £745 in November.The cheapest return price found within the last 5 days was £517 on Multiple Airlines (13 Nov–9 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 57% 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.
Houston (IAH) is the most affordable one-stop option, with an average return flight price of £372.
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 12h 58m. Fly via Delta, KLM, or Virgin Atlantic 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 £505). Flying from San Antonio to London in June is currently the most expensive (average of £1,043). 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 10 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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