Cheap flights from San Antonio to London from £169
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/8. Fares are subject to change and may not be available on all flights or dates of travel.
SAT — LON
23 Jul — 30 Jul1
Return
1 adult
Economy
Cheapflights Tip: The best prices from San Antonio to London are usually found in February or April, booked 81 days in advance, depart on a Wednesday or Monday and return on a Wednesday
Cheap 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 18 July 2025.
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 18 July 2025.
Mon 11/817:20SAT - LHR
1 stop12h 25mUnited Airlines
Tue 26/808:30LHR - SAT
1 stop20h 29mUnited Airlines
Deal found 17/7£363
Tue 19/807:15SAT - LHR
2 stops17h 15mAir Canada
Wed 3/909:30LHR - SAT
2 stops19h 28mAir Canada
Deal found 15/7£363
Mon 11/810:45SAT - LGW
2 stops17h 15mVirgin Atlantic
Tue 26/812:00LGW - SAT
2 stops17h 57mVirgin Atlantic
Deal found 17/7£368
Tue 26/806:40SAT - LGW
2 stops21h 20mDelta
Tue 2/912:00LGW - SAT
1 stop28h 38mDelta
Deal found 17/7£372
Mon 8/917:16SAT - LHR
1 stop13h 29mBritish Airways
Tue 16/908:20LHR - SAT
1 stop15h 27mBritish Airways
Deal found 17/7£380
Tue 26/818:45SAT - LHR
1 stop13h 40mIberia
Tue 2/918:45LHR - SAT
2 stops32h 06mIberia
Deal found 17/7£388
Tue 5/812:24SAT - LHR
1 stop12h 51mDelta
Fri 22/811:30LHR - SAT
2 stops16h 52mDelta
Deal found 17/7£389
Sun 21/920:37SAT - LGW
1 stop30h 53mMultiple Airlines
Sat 27/914:00LGW - SAT
1 stop31h 55mMultiple Airlines
Deal found 16/7£398
Thu 14/811:33SAT - LHR
1 stop12h 52mVirgin Atlantic
Thu 21/813:05LHR - SAT
1 stop15h 23mVirgin Atlantic
Deal found 16/7£409
Sat 27/907:02SAT - LGW
2 stops19h 08mBritish Airways
Sat 4/1012:20LGW - SAT
2 stops15h 53mBritish Airways
Deal found 16/7£457
Tue 26/813:44SAT - LCY
2 stops20h 41mLufthansa
Wed 3/908:45LCY - SAT
2 stops17h 48mLufthansa
Deal found 17/7£484
Mon 4/810:45SAT - LGW
2 stops17h 15mKLM
Fri 15/812:00LGW - SAT
2 stops27h 40mKLM
Deal found 16/7£510
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 18 July 2025.
Mon 11/817:20SAT - LHR
1 stop12h 25mUnited Airlines
Tue 26/808:30LHR - SAT
1 stop20h 29mUnited Airlines
Deal found 17/7£363
Tue 19/807:15SAT - LHR
2 stops17h 15mAir Canada
Wed 3/909:30LHR - SAT
2 stops19h 28mAir Canada
Deal found 15/7£363
Mon 11/810:45SAT - LGW
2 stops17h 15mVirgin Atlantic
Tue 26/812:00LGW - SAT
2 stops17h 57mVirgin Atlantic
Deal found 17/7£368
Tue 26/806:40SAT - LGW
2 stops21h 20mDelta
Tue 2/912:00LGW - SAT
1 stop28h 38mDelta
Deal found 17/7£372
Mon 8/917:16SAT - LHR
1 stop13h 29mBritish Airways
Tue 16/908:20LHR - SAT
1 stop15h 27mBritish Airways
Deal found 17/7£380
Tue 26/818:45SAT - LHR
1 stop13h 40mIberia
Tue 2/918:45LHR - SAT
2 stops32h 06mIberia
Deal found 17/7£388
Sun 21/920:37SAT - LGW
1 stop30h 53mMultiple Airlines
Sat 27/914:00LGW - SAT
1 stop31h 55mMultiple Airlines
Deal found 16/7£398
Tue 26/813:44SAT - LCY
2 stops20h 41mLufthansa
Wed 3/908:45LCY - SAT
2 stops17h 48mLufthansa
Deal found 17/7£484
Mon 4/810:45SAT - LGW
2 stops17h 15mKLM
Fri 15/812:00LGW - SAT
2 stops27h 40mKLM
Deal found 16/7£510
Tue 5/812:24SAT - LHR
1 stop12h 51mDelta
Fri 22/811:30LHR - SAT
2 stops16h 52mDelta
Deal found 17/7£389
Thu 14/811:33SAT - LHR
1 stop12h 52mVirgin Atlantic
Thu 21/813:05LHR - SAT
1 stop15h 23mVirgin Atlantic
Deal found 16/7£409
Sat 27/907:02SAT - LGW
2 stops19h 08mBritish Airways
Sat 4/1012:20LGW - SAT
2 stops15h 53mBritish Airways
Deal found 16/7£457
Last-minute flights from San Antonio to London
Discover last-minute flight deals from San Antonio to London. Data last updated 18 July 2025 and is based on user searches.
Wed 23/713:25SAT - LHR
1 stop11h 55mBritish Airways
Tue 12/808:20LHR - SAT
1 stop13h 19mBritish Airways
Deal found 16/7£458
Wed 23/705:04SAT - LGW
2 stops23h 36mAmerican Airlines
Thu 14/815:05LGW - SAT
2 stops32h 33mAmerican Airlines
Deal found 16/7£584
Wed 23/718:28SAT - LGW
2 stops43h 27mIberia
Wed 13/811:35LGW - SAT
2 stops38h 58mIberia
Deal found 16/7£587
Thu 24/707:30SAT - LHR
2 stops16h 25mUnited Airlines
Tue 12/808:30LHR - SAT
2 stops17h 57mUnited Airlines
Deal found 16/7£583
Thu 24/718:20SAT - LGW
2 stops33h 40mKLM
Wed 13/812:00LGW - SAT
2 stops17h 57mKLM
Deal found 16/7£683
Sat 26/717:49SAT - LGW
2 stops34h 11mDelta
Wed 13/812:00LGW - SAT
2 stops27h 40mDelta
Deal found 16/7£435
Sun 27/719:35SAT - LHR
1 stop11h 10mIberia
Tue 12/816:25LHR - SAT
1 stop12h 34mIberia
Deal found 18/7£394
Sun 27/711:36SAT - LHR
1 stop13h 39mDelta
Tue 12/811:30LHR - SAT
2 stops18h 27mDelta
Deal found 18/7£457
Sun 27/714:11SAT - LGW
1 stop38h 44mMultiple Airlines
Fri 15/810:55LGW - SAT
1 stop38h 28mMultiple Airlines
Deal found 16/7£607
Sun 27/705:30SAT - LHR
2 stops19h 05mAir Canada
Tue 12/809:30LHR - SAT
2 stops37h 30mAir Canada
Deal found 18/7£702
Mon 28/711:36SAT - LHR
1 stop12h 49mVirgin Atlantic
Tue 12/809:40LHR - SAT
2 stops16h 47mVirgin Atlantic
Deal found 16/7£466
Mon 28/711:36SAT - LGW
1 stop16h 24mVirgin Atlantic
Tue 12/812:00LGW - SAT
1 stop28h 38mVirgin Atlantic
Deal found 16/7£645
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 18 July 2025.
Sat 9/811:13SAT - LGW
1 stop17h 42mMultiple Airlines
Deal found 17/7£169
Sat 9/811:13SAT - LHR
2 stops24h 32mMultiple Airlines
Deal found 17/7£217
Mon 11/814:11SAT - STN
3 stops42h 09mMultiple Airlines
Deal found 18/7£242
Sun 10/805:15SAT - LHR
2 stops22h 45mAir Canada
Deal found 18/7£273
Sat 9/811:13SAT - SEN
2 stops41h 37mMultiple Airlines
Deal found 17/7£280
Sun 10/812:55SAT - LHR
1 stop16h 50mUnited Airlines
Deal found 18/7£293
Mon 11/814:11SAT - LCY
3 stops35h 44mMultiple Airlines
Deal found 18/7£299
Mon 20/1012:22SAT - LHR
1 stop12h 03mBritish Airways
Deal found 16/7£300
Mon 18/810:35SAT - LGW
2 stops17h 25mVirgin Atlantic
Deal found 18/7£312
Tue 30/912:15SAT - LHR
1 stop12h 30mKLM
Deal found 15/7£312
Sat 8/1115:20SAT - LHR
1 stop33h 30mIberia
Deal found 16/7£322
Fri 7/1112:15SAT - LHR
1 stop13h 35mVirgin Atlantic
Deal found 16/7£328
Cheapflights Fare Finder
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 858,174 searches. Data last updated 18 July 2025.
Use the filters below to find and compare flights from San Antonio to London that are best for you.
Fly from
San Antonio
Fly to
London
Route
Depart
Return
Price
San AntonioLondon
SAT - LHR
SATLHR
San Antonio
Mon 11/8
17:20-11:45
1 stop12h 25m
London Heathrow
Tue 26/8
08:30-22:59
1 stop20h 29m
£363
San AntonioLondon
SAT - LHR
SATLHR
San Antonio
Tue 19/8
07:15-06:30
2 stops17h 15m
London Heathrow
Wed 3/9
09:30-22:58
2 stops19h 28m
£363
San AntonioLondon
SAT - LGW
SATLGW
San Antonio
Mon 11/8
10:45-10:00
2 stops17h 15m
London Gatwick
Tue 26/8
12:00-23:57
2 stops17h 57m
£368
San AntonioLondon
SAT - LGW
SATLGW
San Antonio
Tue 26/8
06:40-10:00
2 stops21h 20m
London Gatwick
Tue 2/9
12:00-10:38
1 stop28h 38m
£372
San AntonioLondon
SAT - LHR
SATLHR
San Antonio
Mon 8/9
17:16-12:45
1 stop13h 29m
London Heathrow
Tue 16/9
08:20-17:47
1 stop15h 27m
£380
San AntonioLondon
SAT - LHR
SATLHR
San Antonio
Tue 26/8
18:45-14:25
1 stop13h 40m
London Heathrow
Tue 2/9
18:45-20:51
2 stops32h 06m
£388
San AntonioLondon
SAT - LHR
SATLHR
San Antonio
Tue 5/8
12:24-07:15
1 stop12h 51m
London Heathrow
Fri 22/8
11:30-22:22
2 stops16h 52m
£389
San AntonioLondon
SAT - LGW
SATLGW
San Antonio
Sun 21/9
20:37-09:30
1 stop30h 53m
London Gatwick
Sat 27/9
14:00-15:55
1 stop31h 55m
£398
San AntonioLondon
SAT - LHR
SATLHR
San Antonio
Thu 14/8
11:33-06:25
1 stop12h 52m
London Heathrow
Thu 21/8
13:05-22:28
1 stop15h 23m
£409
San AntonioLondon
SAT - LGW
SATLGW
San Antonio
Sat 27/9
07:02-08:10
2 stops19h 08m
London Gatwick
Sat 4/10
12:20-22:13
2 stops15h 53m
£457
Flights are sorted by cheapest return flights first.
Deals found on 17/7
Showing 1-10 of 38 results
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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.
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
How far ahead should I book a flight from San Antonio to London?
Use this chart to determine the optimal time to book a return flight from San Antonio to London. Price data was last updated on 11 July 2025.
The best time to book flights from San Antonio to London is 81 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.
What is the cheapest month to book a flight from San Antonio to London?
Currently, January is the cheapest month in which you can book a flight from San Antonio to London (average of £112). Flying from San Antonio to London in August is currently the most expensive (average of £164). 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.
What is the cheapest time of day to fly from SAT to LON?
Find hourly flight availability from San Antonio to London. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 18 July 2025.
Unlike at midday, when flights are generally more expensive, you can save up to 5% on flights from San Antonio to London by exploring options for tickets in the afternoon.
Reviews of airlines servicing London
Get insights into the airlines that provide service to London. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to London. Reviews last updated 18 July 2025.
Read reviews from past customers who have flown with Delta, KLM, andUnited Airlines
from San Antonio to London. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
This trip was fine even with delay I had plenty of time to get connection 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.
What are the cheapest airlines flying from San Antonio to London round-trip?
According to our current data, United Airlines (£363), Air Canada (£363), and Virgin Atlantic (£368) offers the cheapest pricing from San Antonio to London. These flights start at 48% lower than the current average price 3 months from now.
What are the cheapest airlines to fly from San Antonio to London one-way?
For one-way options, check prices for Air Canada. According to our data, you can fly for as low as £273. Users have also found prices from £293 and £300 on United Airlines and British Airways, respectively.
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 City.
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, January is the cheapest month in which you can book a flight from San Antonio to London (average of £112). Flying from San Antonio to London in August is currently the most expensive (average of £164). 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.
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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