Cheap flights from London Heathrow Airport to San Antonio from £388
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 16/12. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — SAT
14 Dec — 21 Dec1
Return
1 adult
Economy
Return
1 adult, Economy, 0 bags
Cheapflights Tip: The best prices from London Heathrow to San Antonio are usually found in March or January, booked 54 days in advance, depart on a Saturday or Wednesday and return on a Monday
Cheap flight deals from Heathrow to San Antonio
Discover tips and strategies to find the most affordable flight options for your journey from Heathrow (LHR) to San Antonio (SAT). 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 14 November 2025.
Explore the most affordable flight options available from Heathrow to San Antonio. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 14 November 2025.
Fri 5/1220:25LHR - SAT
2 stops28h 34mMultiple Airlines
Mon 8/1205:40SAT - LHR
1 stop23h 15mMultiple Airlines
Deal found 12/11£597
Fri 5/1206:40LHR - SAT
2 stops23h 09mScandinavian Airlines
Mon 8/1214:48SAT - LHR
2 stops19h 12mScandinavian Airlines
Deal found 12/11£663
Sun 14/1217:20LHR - SAT
2 stops24h 22mMultiple Airlines
Sun 4/114:01SAT - LHR
1 stop20h 49mMultiple Airlines
Deal found 13/11£724
Mon 1/1214:50LHR - SAT
3 stops33h 42mMultiple Airlines
Thu 4/1215:10SAT - LHR
3 stops34h 00mMultiple Airlines
Deal found 13/11£747
Tue 18/1120:35LHR - SAT
2 stops51h 20mMultiple Airlines
Tue 25/1106:30SAT - LHR
2 stops22h 20mMultiple Airlines
Deal found 13/11£756
Sat 13/1214:50LHR - SAT
2 stops32h 01mMultiple Airlines
Tue 6/106:35SAT - LHR
1 stop22h 20mMultiple Airlines
Deal found 13/11£796
Mon 8/1206:30LHR - SAT
2 stops22h 47mVirgin Atlantic
Tue 23/1218:22SAT - LHR
1 stop32h 38mVirgin Atlantic
Deal found 13/11£798
Thu 4/1212:15LHR - SAT
2 stops17h 05mMultiple Airlines
Thu 11/1206:00SAT - LHR
2 stops22h 50mMultiple Airlines
Deal found 13/11£811
Best flights from Heathrow to San Antonio
Discover carefully curated flight deals from Heathrow to San Antonio that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 14 November 2025.
Thu 29/107:05LHR - SAT
3 stops23h 36mScandinavian Airlines
Mon 2/213:40SAT - LHR
2 stops26h 00mScandinavian Airlines
Deal found 13/11£628
Sun 8/210:50LHR - SAT
1 stop19h 02mMultiple Airlines
Sat 14/215:02SAT - LHR
2 stops36h 18mMultiple Airlines
Deal found 12/11£733
Mon 12/109:30LHR - SAT
2 stops17h 51mLufthansa
Mon 19/114:06SAT - LHR
2 stops15h 09mLufthansa
Deal found 12/11£794
Mon 13/410:55LHR - SAT
1 stop17h 26mVirgin Atlantic
Mon 4/518:20SAT - LHR
1 stop13h 10mVirgin Atlantic
Deal found 11/11£804
Thu 5/306:40LHR - SAT
2 stops21h 50mScandinavian Airlines
Mon 9/316:25SAT - LHR
2 stops18h 35mScandinavian Airlines
Deal found 11/11£637
Fri 5/1206:40LHR - SAT
2 stops23h 09mScandinavian Airlines
Mon 8/1214:48SAT - LHR
2 stops19h 12mScandinavian Airlines
Deal found 12/11£663
Sun 8/220:25LHR - SAT
2 stops27h 00mMultiple Airlines
Thu 12/215:08SAT - LHR
1 stop11h 07mMultiple Airlines
Deal found 12/11£764
Mon 12/113:25LHR - SAT
3 stops26h 46mMultiple Airlines
Mon 19/119:37SAT - LHR
3 stops29h 33mMultiple Airlines
Deal found 12/11£775
Sun 8/220:25LHR - SAT
2 stops27h 00mMultiple Airlines
Fri 13/215:08SAT - LHR
2 stops36h 07mMultiple Airlines
Deal found 12/11£779
Mon 13/407:05LHR - SAT
3 stops22h 13mScandinavian Airlines
Mon 4/516:10SAT - LHR
2 stops20h 20mScandinavian Airlines
Deal found 13/11£796
Last-minute flights from Heathrow to San Antonio
Discover last-minute flight deals from Heathrow to San Antonio. Data last updated 14 November 2025 and is based on user searches.
Tue 18/1120:35LHR - SAT
2 stops51h 20mMultiple Airlines
Tue 25/1106:30SAT - LHR
2 stops22h 20mMultiple Airlines
Deal found 13/11£756
Mon 1/1214:50LHR - SAT
3 stops33h 42mMultiple Airlines
Thu 4/1215:10SAT - LHR
3 stops34h 00mMultiple Airlines
Deal found 13/11£747
Thu 4/1212:15LHR - SAT
2 stops17h 05mMultiple Airlines
Thu 11/1206:00SAT - LHR
2 stops22h 50mMultiple Airlines
Deal found 13/11£811
Fri 5/1220:25LHR - SAT
2 stops28h 34mMultiple Airlines
Mon 8/1205:40SAT - LHR
1 stop23h 15mMultiple Airlines
Deal found 12/11£597
Fri 5/1206:40LHR - SAT
2 stops23h 09mScandinavian Airlines
Mon 8/1214:48SAT - LHR
2 stops19h 12mScandinavian Airlines
Deal found 12/11£663
Mon 8/1206:30LHR - SAT
2 stops22h 47mVirgin Atlantic
Tue 23/1218:22SAT - LHR
1 stop32h 38mVirgin Atlantic
Deal found 13/11£798
Sat 13/1214:50LHR - SAT
2 stops32h 01mMultiple Airlines
Wed 31/1206:35SAT - LHR
1 stop22h 20mMultiple Airlines
Deal found 13/11£796
Sun 14/1217:20LHR - SAT
2 stops24h 22mMultiple Airlines
Sun 4/114:01SAT - LHR
1 stop20h 49mMultiple Airlines
Deal found 13/11£724
One-way flights from Heathrow to San Antonio
Search for one-way flight options from Heathrow to San Antonio. Find affordable one-way fares based on user searches. Data last updated 14 November 2025.
Tue 16/1209:55LHR - SAT
3 stops55h 55mMultiple Airlines
Deal found 13/11£388
Sat 10/109:50LHR - SAT
2 stops38h 28mMultiple Airlines
Deal found 13/11£406
Mon 1/1214:50LHR - SAT
3 stops33h 42mMultiple Airlines
Deal found 13/11£416
Mon 15/1206:00LHR - SAT
3 stops23h 26mMultiple Airlines
Deal found 13/11£428
Tue 6/118:00LHR - SAT
2 stops35h 26mMultiple Airlines
Deal found 13/11£442
Tue 25/1114:50LHR - SAT
3 stops52h 27mMultiple Airlines
Deal found 13/11£448
Thu 27/1114:50LHR - SAT
3 stops49h 20mMultiple Airlines
Deal found 13/11£470
Mon 5/120:05LHR - SAT
3 stops45h 45mMultiple Airlines
Deal found 13/11£486
Wed 26/1114:50LHR - SAT
3 stops49h 54mMultiple Airlines
Deal found 13/11£511
Sun 30/1114:50LHR - SAT
2 stops34h 05mMultiple Airlines
Deal found 13/11£512
Cheapflights Fare Finder
Customise your flight search to find flights from Heathrow to San Antonio 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 14 November 2025.
Use the filters below to find and compare flights from London Heathrow Airport to San Antonio that are best for you.
Fly from
Heathrow
Fly to
San Antonio
Route
Depart
Return
Price
LondonSan Antonio
LHR - SAT
LHRSAT
London Heathrow
Thu 29/1
07:05-00:41
3 stops23h 36m
San Antonio
Mon 2/2
13:40-21:40
2 stops26h 00m
£628
LondonSan Antonio
LHR - SAT
LHRSAT
London Heathrow
Thu 5/3
06:40-22:30
2 stops21h 50m
San Antonio
Mon 9/3
16:25-16:00
2 stops18h 35m
£637
LondonSan Antonio
LHR - SAT
LHRSAT
London Heathrow
Fri 5/12
06:40-23:49
2 stops23h 09m
San Antonio
Mon 8/12
14:48-16:00
2 stops19h 12m
£663
LondonSan Antonio
LHR - SAT
LHRSAT
London Heathrow
Sun 8/2
10:50-23:52
1 stop19h 02m
San Antonio
Sat 14/2
15:02-09:20
2 stops36h 18m
£733
LondonSan Antonio
LHR - SAT
LHRSAT
London Heathrow
Sun 8/2
20:25-17:25
2 stops27h 00m
San Antonio
Thu 12/2
15:08-08:15
1 stop11h 07m
£764
LondonSan Antonio
LHR - SAT
LHRSAT
London Heathrow
Mon 12/1
13:25-10:11
3 stops26h 46m
San Antonio
Mon 19/1
19:37-07:10
3 stops29h 33m
£775
LondonSan Antonio
LHR - SAT
LHRSAT
London Heathrow
Sun 8/2
20:25-17:25
2 stops27h 00m
San Antonio
Fri 13/2
15:08-09:15
2 stops36h 07m
£779
LondonSan Antonio
LHR - SAT
LHRSAT
London Heathrow
Mon 12/1
09:30-21:21
2 stops17h 51m
San Antonio
Mon 19/1
14:06-11:15
2 stops15h 09m
£794
LondonSan Antonio
LHR - SAT
LHRSAT
London Heathrow
Mon 13/4
07:05-23:18
3 stops22h 13m
San Antonio
Mon 4/5
16:10-18:30
2 stops20h 20m
£796
LondonSan Antonio
LHR - SAT
LHRSAT
London Heathrow
Mon 13/4
10:55-22:21
1 stop17h 26m
San Antonio
Mon 4/5
18:20-13:30
1 stop13h 10m
£804
Flights are sorted by cheapest return flights first.
Deals found on 13/11
Showing 1-10 of 22 results
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Best time to book a flight from Heathrow to San Antonio
Have a flexible travel schedule? Discover the best time to fly to San Antonio from Heathrow 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 London Heathrow Airport to San Antonio
Prices
More
How far ahead should I book a flight from London Heathrow Airport to San Antonio?
Use this chart to determine the optimal time to book a return flight from Heathrow to San Antonio. Price data was last updated on 7 November 2025.
To ensure you get the cheapest price possible for a flight from London Heathrow Airport to San Antonio, you should look to book at least 54 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.
What is the cheapest month to book a flight from London Heathrow Airport to San Antonio?
Currently, April is the cheapest month in which you can book a flight from London Heathrow Airport to San Antonio (average of £449). Flying from London Heathrow Airport to San Antonio in July is currently the most expensive (average of £560). 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 LHR to SAT?
Find hourly flight availability from Heathrow to San Antonio. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 14 November 2025.
When flying from London Heathrow Airport to San Antonio, the time of day you fly usually plays a role in the price. Save by searching for a flight at midday, which can drop the price by up to 17% versus a flight in the evening.
What’s the top stopover airport for flights from London Heathrow Airport to San Antonio?
Share of one-stop return flights from London Heathrow Airport to San Antonio chosen by Cheapflights users in the past 12 months, using the same stopover each way.
Dallas (DFW) – chosen by Cheapflights users on 72% of one-stop itineraries from London Heathrow Airport to San Antonio on Cheapflights.
What’s the fastest stopover option from London Heathrow Airport to San Antonio?
Shortest average travel time for one-stop one-way flights from London Heathrow Airport to San Antonio, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by stopover airport.
Flights via Charlotte (CLT) have the shortest average one-way travel time for one-stop routes: 13h 00m.
What’s the fastest stopover option from London Heathrow Airport to San Antonio?
Shortest average travel time for one-stop one-way flights from London Heathrow Airport to San Antonio, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by stopover airport.
Flights via Charlotte (CLT) have the shortest average one-way travel time for one-stop routes: 13h 00m.
Which airport typically offers the quickest stopover for flights from London Heathrow Airport to San Antonio?
Average stopover duration for one-stop one-way flights from London Heathrow Airport to San Antonio, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.
Flights via Charlotte (CLT) offer the fastest connection on this route, with an average stopover time of 1h 00m.
Reviews of airlines servicing San Antonio
Get insights into the airlines that provide service to San Antonio. 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 San Antonio. Reviews last updated 14 November 2025.
See what other customers who have flown with Finnair, Virgin Atlantic, andScandinavian Airlines from London Heathrow Airport to San Antonio have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
I was lucky I had a seet without no one next to me My vegetarian meal was excellent. The service very good. Although there was a lot of turbulences during the flight, the landing was very soft and took away all our apprehension.
I was lucky I had a seet without no one next to me My vegetarian meal was excellent. The service very good. Although there was a lot of turbulences during the flight, the landing was very soft and took away all our apprehension.
I was lucky I had a seet without no one next to me My vegetarian meal was excellent. The service very good. Although there was a lot of turbulences during the flight, the landing was very soft and took away all our apprehension.
I was lucky I had a seet without no one next to me My vegetarian meal was excellent. The service very good. Although there was a lot of turbulences during the flight, the landing was very soft and took away all our apprehension.
I was lucky I had a seet without no one next to me My vegetarian meal was excellent. The service very good. Although there was a lot of turbulences during the flight, the landing was very soft and took away all our apprehension.
I was lucky I had a seet without no one next to me My vegetarian meal was excellent. The service very good. Although there was a lot of turbulences during the flight, the landing was very soft and took away all our apprehension.
Related info for your journey
Find useful and relevant information for your journey from Heathrow to San Antonio. 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 into for flights to San Antonio from London Heathrow?
If you book a flight to San Antonio from London Heathrow, you will be flying to San Antonio, which is the city’s only airport. San Antonio (SAT) is located 7.6 mi from the center of San Antonio. There are 0 flights from London Heathrow to San Antonio per day from 7 different airlines.
How long is the flight from London Heathrow Airport to San Antonio?
For as low as £628, Scandinavian Airlines can have you in San Antonio from London Heathrow Airport in 23h 36m. The distance from London Heathrow Airport to San Antonio is about 4967 mi.
What are the cheapest airlines flying from London Heathrow Airport to San Antonio round-trip?
According to our current data, Finnair (£516), Iberia (£545), and Scandinavian Airlines (£608) offers the cheapest pricing from London Heathrow Airport to San Antonio. These flights start at 35% lower than the current average price 3 months from now.
Can I find deals for business class flights from Heathrow to San Antonio?
Yes. Cheapflights offers flight deals from Heathrow to San Antonio 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 London Heathrow Airport to San Antonio?
Currently, April is the cheapest month in which you can book a flight from London Heathrow Airport to San Antonio (average of £449). Flying from London Heathrow Airport to San Antonio in July is currently the most expensive (average of £560). 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.
Browse through other flights departing from Heathrow. Flights are based on user searches made on Cheapflights and were last updated on 14 November 2025.
Explore flights to San Antonio departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on 14 November 2025.
Top 7 airlines flying from Heathrow to San Antonio
Discover the top 7 airlines that operate flights from Heathrow to San Antonio. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 14 November 2025.
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 Heathrow to San Antonio?
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 San Antonio from Heathrow today with Cheapflights!
Why should you use Cheapflights to find cheap flight tickets from Heathrow to San Antonio?
Cheapflights helps you find that perfect flight to San Antonio from Heathrow by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!
Can Cheapflights find flights from Heathrow to San Antonio with no change fees?
Certainly. Search results for flights to San Antonio from Heathrow shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.
Can Cheapflights notify me if prices for flights from Heathrow to San Antonio become cheaper?
Of course! You can now track prices for flights from Heathrow to San Antonio 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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