$324+ Cheap flights from San Antonio (SAT) to Heathrow (LHR)
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 11/30. Fares are subject to change and may not be available on all flights or dates of travel.
SAT — LHR
Oct 2 — Oct 91
Round-trip
1 adult, Economy
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Find cheap flights from San Antonio to Heathrow with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
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Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from San Antonio to Heathrow
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Best
Last-minute
One-way
Cheapest flights from San Antonio to HeathrowExplore the most affordable flight options available from San Antonio to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 2, 2026.
Explore the most affordable flight options available from San Antonio to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 2, 2026.
This United Airlines deal was found by Cheapflights users on 9/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/71:35 pm -
1 stop14h 05m
Wed 12/99:30 am -
2 stops17h 37m
Deal found 9/1![United Airlines logo]()
$830
This lol.travel deal was found by Cheapflights users on 8/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure lol.travel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/282:03 pm -
1 stop16h 47m
Tue 10/138:55 am -
1 stop14h 51m
Deal found 8/31![Finnair logo]()
$840
This Expedia deal was found by Cheapflights users on 8/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/69:44 am -
2 stops15h 26m
Fri 12/117:40 am -
2 stops21h 12m
Deal found 8/29![Multiple Airlines logo]()
$852
This Iberia deal was found by Cheapflights users on 8/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/303:00 pm -
1 stop13h 00m
Wed 1/137:35 am -
2 stops18h 11m
Deal found 8/31![Iberia logo]()
$872
This Iberia deal was found by Cheapflights users on 8/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/3012:46 pm -
1 stop13h 29m
Thu 1/147:30 am -
2 stops19h 30m
Deal found 8/28![Iberia logo]()
$873
This Expedia deal was found by Cheapflights users on 8/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/286:10 pm -
1 stop13h 05m
Tue 10/1311:45 am -
2 stops18h 48m
Deal found 8/31![KLM logo]()
$874
This Delta deal was found by Cheapflights users on 8/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/610:54 am -
1 stop16h 06m
Fri 12/118:40 am -
2 stops18h 51m
Deal found 8/29![Delta logo]()
$875
This Delta deal was found by Cheapflights users on 9/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/307:00 am -
2 stops18h 05m
Wed 1/1310:00 am -
2 stops19h 20m
Deal found 9/1![Delta logo]()
$878
This Iberia deal was found by Cheapflights users on 9/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/1711:22 am -
1 stop16h 38m
Mon 11/237:40 pm -
2 stops18h 54m
Deal found 9/1![Iberia logo]()
$882
Best flights from San Antonio to HeathrowDiscover carefully curated flight deals from San Antonio to Heathrow that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 2, 2026.
Discover carefully curated flight deals from San Antonio to Heathrow that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 2, 2026.
This United Airlines deal was found by Cheapflights users on 9/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/71:35 pm -
1 stop14h 05m
Wed 12/99:30 am -
2 stops17h 37m
Deal found 9/1![United Airlines logo]()
$830
This Delta deal was found by Cheapflights users on 9/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/307:00 am -
2 stops18h 05m
Wed 1/1310:00 am -
2 stops19h 20m
Deal found 9/1![Delta logo]()
$878
This Delta deal was found by Cheapflights users on 9/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/307:00 am -
1 stop17h 25m
Thu 1/1412:40 pm -
1 stop14h 12m
Deal found 9/1![Delta logo]()
$903
This United Airlines deal was found by Cheapflights users on 8/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/41:17 pm -
1 stop14h 23m
Sun 10/117:25 am -
2 stops22h 33m
Deal found 8/28![United Airlines logo]()
$938
This Delta deal was found by Cheapflights users on 9/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/16:07 pm -
1 stop12h 58m
Thu 10/1511:45 am -
2 stops18h 48m
Deal found 9/1![Delta logo]()
$937
This United Airlines deal was found by Cheapflights users on 8/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/11:17 pm -
1 stop14h 23m
Mon 10/195:55 pm -
2 stops28h 36m
Deal found 8/30![United Airlines logo]()
$950
This United Airlines deal was found by Cheapflights users on 8/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/24:10 pm -
1 stop12h 05m
Sun 1/101:00 pm -
2 stops39h 59m
Deal found 8/30![United Airlines logo]()
$986
Last-minute flights from San Antonio to HeathrowDiscover last-minute flight deals from San Antonio to Heathrow. Data last updated September 2, 2026 and is based on user searches.
Discover last-minute flight deals from San Antonio to Heathrow. Data last updated September 2, 2026 and is based on user searches.
This Delta deal was found by Cheapflights users on 8/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/2710:59 am -
1 stop20h 16m
Tue 10/136:30 am -
2 stops17h 04m
Deal found 8/30![Delta logo]()
$888
This Air Canada deal was found by Cheapflights users on 8/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/276:35 am -
2 stops17h 55m
Fri 10/92:05 pm -
2 stops32h 26m
Deal found 8/30![Air Canada logo]()
$900
This United Airlines deal was found by Cheapflights users on 8/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/272:25 pm -
1 stop11h 20m
Mon 10/55:55 pm -
2 stops28h 36m
Deal found 8/28![United Airlines logo]()
$901
This United Airlines deal was found by Cheapflights users on 8/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/275:58 pm -
1 stop31h 47m
Tue 10/135:40 pm -
1 stop34h 33m
Deal found 8/30![United Airlines logo]()
$902
This lol.travel deal was found by Cheapflights users on 8/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure lol.travel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/282:03 pm -
1 stop16h 47m
Tue 10/138:55 am -
1 stop14h 51m
Deal found 8/31![Finnair logo]()
$840
This Expedia deal was found by Cheapflights users on 8/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/286:10 pm -
1 stop13h 05m
Tue 10/1311:45 am -
2 stops18h 48m
Deal found 8/31![KLM logo]()
$874
This Air Canada deal was found by Cheapflights users on 8/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/307:35 am -
3 stops16h 55m
Wed 10/77:25 am -
2 stops20h 48m
Deal found 8/30![Multiple Airlines logo]()
$897
This United Airlines deal was found by Cheapflights users on 8/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/49:00 am -
2 stops15h 30m
Thu 10/156:50 am -
2 stops15h 41m
Deal found 8/31![United Airlines logo]()
$891
This Delta deal was found by Cheapflights users on 9/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/1310:48 am -
1 stop18h 32m
Wed 10/216:30 am -
2 stops17h 04m
Deal found 9/1![Delta logo]()
$887
This Justfly.com deal was found by Cheapflights users on 9/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/266:37 am -
2 stops19h 33m
Tue 11/101:00 pm -
2 stops37h 24m
Deal found 9/1![Air Canada logo]()
$899
This Delta deal was found by Cheapflights users on 8/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/2711:36 am -
2 stops16h 24m
Wed 11/411:45 am -
2 stops16h 35m
Deal found 8/31![Delta logo]()
$892
One-way flights from San Antonio to HeathrowSearch for one-way flight options from San Antonio to Heathrow. Find affordable one-way fares based on user searches. Data last updated September 2, 2026.
Search for one-way flight options from San Antonio to Heathrow. Find affordable one-way fares based on user searches. Data last updated September 2, 2026.
This Expedia deal was found by Cheapflights users on 9/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/3011:24 am -
1 stop13h 26m
Deal found 9/1![British Airways logo]()
$324
This United Airlines deal was found by Cheapflights users on 9/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/302:20 pm -
2 stops15h 40m
Deal found 9/1![United Airlines logo]()
$332
This Booking.com deal was found by Cheapflights users on 8/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/315:59 pm -
1 stop11h 41m
Deal found 8/29![British Airways logo]()
$375
This American Airlines deal was found by Cheapflights users on 8/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/313:00 pm -
2 stops14h 10m
Deal found 8/29![American Airlines logo]()
$378
This Delta deal was found by Cheapflights users on 8/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/117:38 am -
1 stop18h 12m
Deal found 8/31![Delta logo]()
$382
This Kiwi.com deal was found by Cheapflights users on 9/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/218:56 pm -
2 stops33h 09m
Deal found 9/1![Multiple Airlines logo]()
$417
This Cheapflightsfares deal was found by Cheapflights users on 8/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/137:28 am -
2 stops19h 37m
Deal found 8/31![Aer Lingus logo]()
$425
This FlightHub deal was found by Cheapflights users on 8/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/27:10 am -
2 stops24h 15m
Deal found 8/29![Aer Lingus logo]()
$433
This Kiwi.com deal was found by Cheapflights users on 8/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/184:50 pm -
2 stops38h 00m
Deal found 8/30![Multiple Airlines logo]()
$434
This FlightHub deal was found by Cheapflights users on 8/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/87:28 am -
2 stops30h 52m
Deal found 8/28![Aer Lingus logo]()
$435
This Kiwi.com deal was found by Cheapflights users on 8/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/188:56 pm -
2 stops33h 09m
Deal found 8/29![Multiple Airlines logo]()
$439
This Kiwi.com deal was found by Cheapflights users on 8/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/159:25 am -
3 stops42h 10m
Deal found 8/28![Multiple Airlines logo]()
$440
Find flight deals from San Antonio to Heathrow
Discover tips and strategies to find the most affordable flight options for your journey from San Antonio (SAT) to Heathrow (LHR). 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 September 2, 2026.
Most accurate provider | Ovago 3 stars |
|---|---|
Most trusted provider | Ovago 3 stars |
Round-trip from | $830 (United Airlines) |
One-way from | $324 (Expedia) |
Popular in | June |
Cheapest in | October |
Average price | $1,002 |
Cheapflights Fare Finder
Customize your flight search to find flights from San Antonio to Heathrow 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 September 2, 2026.
Use the filters below to find and compare flights from San Antonio to London Heathrow Airport that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
San AntonioLondon
SAT San Antonio - LHR London Heathrow
SATLHR
San Antonio
Mon 12/7
1:35 pm-9:40 am
1 stop14h 05m
London Heathrow
Wed 12/9
9:30 am-9:07 pm
2 stops17h 37m
$830
San AntonioLondon
SAT San Antonio - LHR London Heathrow
SATLHR
San Antonio
Wed 12/30
7:00 am-7:05 am
2 stops18h 05m
London Heathrow
Wed 1/13
10:00 am-11:20 pm
2 stops19h 20m
$878
Quickest round-trip
San AntonioLondon
SAT San Antonio - LHR London Heathrow
SATLHR
San Antonio
Wed 12/30
7:00 am-6:25 am
1 stop17h 25m
London Heathrow
Thu 1/14
12:40 pm-8:52 pm
1 stop14h 12m
$903
San AntonioLondon
SAT San Antonio - LHR London Heathrow
SATLHR
San Antonio
Thu 10/1
6:07 pm-1:05 pm
1 stop12h 58m
London Heathrow
Thu 10/15
11:45 am-12:33 am
2 stops18h 48m
$937
San AntonioLondon
SAT San Antonio - LHR London Heathrow
SATLHR
San Antonio
Sun 10/4
1:17 pm-9:40 am
1 stop14h 23m
London Heathrow
Sun 10/11
7:25 am-11:58 pm
2 stops22h 33m
$938
San AntonioLondon
SAT San Antonio - LHR London Heathrow
SATLHR
San Antonio
Thu 10/1
1:17 pm-9:40 am
1 stop14h 23m
London Heathrow
Mon 10/19
5:55 pm-4:31 pm
2 stops28h 36m
$950
San AntonioLondon
SAT San Antonio - LHR London Heathrow
SATLHR
San Antonio
Wed 12/2
4:10 pm-10:15 am
1 stop12h 05m
London Heathrow
Sun 1/10
1:00 pm-10:59 pm
2 stops39h 59m
$986
Cheapest one-way
San AntonioLondon
SAT San Antonio - LHR London Heathrow
SATLHR
San Antonio
Fri 12/11
7:38 am-7:45 am
2 stops18h 07m
$382
San AntonioLondon
SAT San Antonio - LHR London Heathrow
SATLHR
San Antonio
Fri 12/11
8:55 am-9:40 am
1 stop18h 45m
$382
San AntonioLondon
SAT San Antonio - LHR London Heathrow
SATLHR
San Antonio
Wed 12/23
12:25 pm-8:35 pm
2 stops26h 10m
$440
Showing 1-10 of 13 resultsSorted by cheapest first
Compare providers for flights from San Antonio to Heathrow
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from San Antonio to Heathrow in September.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on San Antonio-London Heathrow Airport flights, users find the pricing of Ovago to be most consistent on Cheapflights vs. Ovago Users can find the same prices on San Antonio-London Heathrow Airport flight deals on Cheapflights vs. Ovago >95% of the time. Price accuracy is based on data collected from San Antonio-London Heathrow Airport flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on San Antonio-London Heathrow Airport flights, Cheapflights users trust Ovago the most. Ovago has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for San Antonio-London Heathrow Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
Best time to book a flight from San Antonio to Heathrow
Have a flexible travel schedule? Discover the best time to fly to Heathrow from San Antonio with our price prediction graph.
SAT-LHR
Estimated round-trip 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 Heathrow Airport
How far ahead should I book a flight from San Antonio to London Heathrow Airport?
To ensure you get the cheapest price possible for a flight from San Antonio to London Heathrow Airport, you should look to book at least 34 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 San Antonio to London Heathrow Airport?
Currently, October is the cheapest month in which you can book a flight from San Antonio to London Heathrow Airport (average of $739). Flying from San Antonio to London Heathrow Airport in June is currently the most expensive (average of $1,286). 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 to fly round-trip from San Antonio to London Heathrow Airport?
Airfare is typical for this route at the moment.
San Antonio to London Heathrow Airport flights typically cost between $730 and $1,163 in December.The cheapest round-trip price found within the last 5 days was $830 on United Airlines (Dec 7-Dec 9).
Reviews of airlines servicing Heathrow
Get insights into the airlines that provide service to Heathrow. 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 Heathrow. Reviews last updated September 2, 2026.
Peruse reviews from past customers who have flown with Delta,United Airlines, andVirgin Atlantic from San Antonio to London Heathrow Airport to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Entertainment
7.8
Overall
7.8
Crew
8.5
Boarding
8.1
Comfort
7.8
Food
7.2
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
LAX - LHR
Entertainment
7.8
Overall
7.8
Crew
8.5
Boarding
8.1
Comfort
7.8
Food
7.2
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
LAX - LHR
Entertainment
7.8
Overall
7.8
Crew
8.5
Boarding
8.1
Comfort
7.8
Food
7.2
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
LAX - LHR
Entertainment
7.8
Overall
7.8
Crew
8.5
Boarding
8.1
Comfort
7.8
Food
7.2
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
LAX - LHR
Entertainment
7.8
Overall
7.8
Crew
8.5
Boarding
8.1
Comfort
7.8
Food
7.2
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
LAX - LHR
Entertainment
7.8
Overall
7.8
Crew
8.5
Boarding
8.1
Comfort
7.8
Food
7.2
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
LAX - LHR
Related info for your journey
Find useful and relevant information for your journey from San Antonio to Heathrow. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Traveling to a place near London Heathrow Airport?
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Explore flights to Heathrow departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on September 2, 2026.
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Top 5 airlines flying from San Antonio to Heathrow
Discover the top 5 airlines that operate flights from San Antonio to Heathrow. 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 7,457,451 searches. Data last updated September 2, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$530 | Average$654 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$531 | Average$975 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$580 | Average$1,095 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$600 | Average$780 | FlexibilityNo cancel fee | On-time72% | |
| Cheapest$610 | Average$972 | FlexibilityNo cancel fee | On-time70% |