Cheap flights from London Heathrow Airport to San Antonio from £487
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 24/4. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — SAT
30 Nov — 7 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 31 October 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 31 October 2025.
Wed 3/1212:15LHR - SAT
3 stops30h 45mMultiple Airlines
Wed 10/1207:00SAT - LHR
3 stops21h 50mMultiple Airlines
Deal found 28/10£633
Sat 6/1211:10LHR - SAT
2 stops33h 05mMultiple Airlines
Sat 13/1215:10SAT - LHR
2 stops33h 20mMultiple Airlines
Deal found 29/10£652
Sat 22/1106:40LHR - SAT
2 stops23h 28mScandinavian Airlines
Sat 6/1214:00SAT - LHR
2 stops22h 30mScandinavian Airlines
Deal found 29/10£668
Tue 2/1220:00LHR - SAT
2 stops28h 32mMultiple Airlines
Wed 10/1207:00SAT - LHR
3 stops30h 30mMultiple Airlines
Deal found 29/10£731
Sun 14/1210:50LHR - SAT
1 stop33h 25mMultiple Airlines
Sun 21/1212:45SAT - LHR
2 stops36h 05mMultiple Airlines
Deal found 30/10£780
Wed 19/1113:25LHR - SAT
3 stops35h 07mMultiple Airlines
Sun 23/1120:33SAT - LHR
3 stops28h 37mMultiple Airlines
Deal found 29/10£782
Tue 2/1210:20LHR - SAT
2 stops37h 43mFinnair
Wed 10/1212:55SAT - LHR
1 stop16h 45mFinnair
Deal found 29/10£795
Mon 8/1214:50LHR - SAT
3 stops34h 09mMultiple Airlines
Tue 23/1214:39SAT - LHR
3 stops34h 31mMultiple Airlines
Deal found 29/10£798
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 31 October 2025.
Fri 23/106:40LHR - SAT
2 stops21h 50mScandinavian Airlines
Fri 13/216:10SAT - LHR
2 stops41h 50mScandinavian Airlines
Deal found 30/10£594
Wed 3/1214:30LHR - SAT
2 stops28h 30mMultiple Airlines
Wed 10/1207:00SAT - LHR
3 stops21h 50mMultiple Airlines
Deal found 28/10£754
Tue 2/1210:20LHR - SAT
2 stops37h 43mFinnair
Wed 10/1212:55SAT - LHR
1 stop16h 45mFinnair
Deal found 29/10£795
Mon 13/409:30LHR - SAT
2 stops16h 06mLufthansa
Mon 4/510:00SAT - LHR
2 stops15h 15mLufthansa
Deal found 29/10£796
Wed 3/1209:30LHR - SAT
2 stops18h 02mUnited Airlines
Wed 10/1211:18SAT - LHR
1 stop13h 02mUnited Airlines
Deal found 28/10£802
Thu 5/306:40LHR - SAT
2 stops22h 37mScandinavian Airlines
Mon 9/316:25SAT - LHR
2 stops18h 35mScandinavian Airlines
Deal found 30/10£637
Sat 22/1106:40LHR - SAT
2 stops23h 28mScandinavian Airlines
Sat 6/1214:00SAT - LHR
2 stops22h 30mScandinavian Airlines
Deal found 29/10£668
Sun 14/1215:50LHR - SAT
2 stops28h 25mMultiple Airlines
Sun 21/1212:45SAT - LHR
2 stops36h 05mMultiple Airlines
Deal found 30/10£754
Sat 7/208:40LHR - SAT
2 stops19h 47mMultiple Airlines
Sat 14/206:00SAT - LHR
1 stop18h 45mMultiple Airlines
Deal found 30/10£755
Last-minute flights from Heathrow to San Antonio
Discover last-minute flight deals from Heathrow to San Antonio. Data last updated 31 October 2025 and is based on user searches.
Fri 14/1112:05LHR - SAT
1 stop13h 32mUnited Airlines
Fri 21/1117:13SAT - LHR
1 stop30h 42mUnited Airlines
Deal found 30/10£957
Wed 19/1113:25LHR - SAT
3 stops35h 07mMultiple Airlines
Sun 23/1120:33SAT - LHR
3 stops28h 37mMultiple Airlines
Deal found 29/10£782
Wed 19/1107:40LHR - SAT
2 stops18h 35mLufthansa
Sun 23/1114:14SAT - LHR
1 stop11h 16mLufthansa
Deal found 29/10£846
Wed 19/1107:30LHR - SAT
2 stops18h 45mUnited Airlines
Sun 23/1108:30SAT - LHR
2 stops15h 25mUnited Airlines
Deal found 29/10£848
Wed 19/1114:10LHR - SAT
1 stop13h 47mBritish Airways
Sun 23/1112:55SAT - LHR
1 stop11h 55mBritish Airways
Deal found 29/10£870
Sat 22/1106:40LHR - SAT
2 stops23h 28mScandinavian Airlines
Sat 6/1214:00SAT - LHR
2 stops22h 30mScandinavian Airlines
Deal found 29/10£668
Sat 22/1110:20LHR - SAT
2 stops38h 26mFinnair
Sat 6/1212:55SAT - LHR
1 stop11h 55mFinnair
Deal found 29/10£870
Sat 22/1112:05LHR - SAT
1 stop15h 15mLufthansa
Sat 6/1214:22SAT - LHR
1 stop11h 08mLufthansa
Deal found 29/10£878
Sat 22/1115:00LHR - SAT
1 stop14h 50mBritish Airways
Sat 6/1215:00SAT - LHR
1 stop13h 00mBritish Airways
Deal found 30/10£880
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 31 October 2025.
Fri 24/409:50LHR - SAT
3 stops19h 22mMultiple Airlines
Deal found 30/10£487
Sun 26/409:50LHR - SAT
3 stops19h 22mMultiple Airlines
Deal found 30/10£499
Tue 28/410:20LHR - SAT
2 stops18h 58mScandinavian Airlines
Deal found 30/10£537
Sun 26/419:20LHR - SAT
2 stops31h 36mBritish Airways
Deal found 30/10£559
Mon 20/410:50LHR - SAT
2 stops18h 18mLufthansa
Deal found 30/10£561
Mon 20/413:00LHR - SAT
1 stop13h 56mMultiple Airlines
Deal found 29/10£571
Fri 2/118:00LHR - SAT
2 stops35h 26mMultiple Airlines
Deal found 28/10£592
Fri 24/409:15LHR - SAT
2 stops19h 39mBritish Airways
Deal found 30/10£593
Fri 24/410:05LHR - SAT
1 stop18h 49mFinnair
Deal found 30/10£606
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 31 October 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
Fri 23/1
06:40-22:30
2 stops21h 50m
San Antonio
Fri 13/2
16:10-16:00
2 stops41h 50m
£594
LondonSan Antonio
LHR - SAT
LHRSAT
London Heathrow
Thu 5/3
06:40-23:17
2 stops22h 37m
San Antonio
Mon 9/3
16:25-16:00
2 stops18h 35m
£637
LondonSan Antonio
LHR - SAT
LHRSAT
London Heathrow
Sat 22/11
06:40-00:08
2 stops23h 28m
San Antonio
Sat 6/12
14:00-18:30
2 stops22h 30m
£668
LondonSan Antonio
LHR - SAT
LHRSAT
London Heathrow
Wed 3/12
14:30-13:00
2 stops28h 30m
San Antonio
Wed 10/12
07:00-10:50
3 stops21h 50m
£754
LondonSan Antonio
LHR - SAT
LHRSAT
London Heathrow
Sun 14/12
15:50-14:15
2 stops28h 25m
San Antonio
Sun 21/12
12:45-06:50
2 stops36h 05m
£754
LondonSan Antonio
LHR - SAT
LHRSAT
London Heathrow
Sat 7/2
08:40-22:27
2 stops19h 47m
San Antonio
Sat 14/2
06:00-06:45
1 stop18h 45m
£755
LondonSan Antonio
LHR - SAT
LHRSAT
London Heathrow
Tue 2/12
10:20-18:03
2 stops37h 43m
San Antonio
Wed 10/12
12:55-11:40
1 stop16h 45m
£795
LondonSan Antonio
LHR - SAT
LHRSAT
London Heathrow
Mon 13/4
09:30-19:36
2 stops16h 06m
San Antonio
Mon 4/5
10:00-07:15
2 stops15h 15m
£796
LondonSan Antonio
LHR - SAT
LHRSAT
London Heathrow
Wed 3/12
09:30-21:32
2 stops18h 02m
San Antonio
Wed 10/12
11:18-06:20
1 stop13h 02m
£802
LondonSan Antonio
LHR - SAT
LHRSAT
London Heathrow
Sun 26/4
09:50-23:12
3 stops19h 22m
£499
Flights are sorted by cheapest return flights first.
Deals found on 30/10
Showing 1-10 of 18 results
1
2
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 24 October 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 £448). Flying from London Heathrow Airport to San Antonio in July is currently the most expensive (average of £556). 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 31 October 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 73% 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 31 October 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 £594, Scandinavian Airlines can have you in San Antonio from London Heathrow Airport in 21h 50m. 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 (£544), and Scandinavian Airlines (£591) offers the cheapest pricing from London Heathrow Airport to San Antonio. These flights start at 34% lower than the current average price 3 months from now.
What are the cheapest airlines to fly from London Heathrow Airport to San Antonio one-way?
The cheapest airline one-way is Scandinavian Airlines, with whom users have recently found tickets for as low as £537. However, be on the lookout for offers from British Airways and Lufthansa, as they are both options that can get you from London Heathrow Airport to San Antonio for a low price.
Can I find deals for flights from Heathrow to San Antonio that include hotel bookings?
Yes. In addition to deals on Heathrow to San Antonio flights, Cheapflights offers holiday packages that include both flights and hotel.
How can I find direct flights from Heathrow to San Antonio?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Heathrow to San Antonio.
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 £448). Flying from London Heathrow Airport to San Antonio in July is currently the most expensive (average of £556). 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 31 October 2025.
Explore flights to San Antonio departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on 31 October 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 31 October 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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