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San Antonio

$465+ Cheap flights from Heathrow (LHR) to San Antonio (SAT)

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 1/10. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — SAT
Dec 10 — Dec 171
Wed 12/10
Wed 12/17
1 adult, Economy
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Find cheap flights from Heathrow to San Antonio with Cheapflights

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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 Monday or Thursday and return on a Thursday

Find flight deals from Heathrow to San Antonio

Cheapest flights from Heathrow to San Antonio
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 November 10, 2025.

This Flighttix deal was found by Cheapflights users on 11/10. 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 Flighttix is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/56:40 pmLHR - SAT
2 stops35h 29mScandinavian Airlines
Mon 12/82:48 pmSAT - LHR
2 stops20h 52mScandinavian Airlines
Deal found 11/10$831
This Mytrip deal was found by Cheapflights users on 11/8. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/201:40 pmLHR - SAT
3 stops34h 52mMultiple Airlines
Thu 12/43:10 pmSAT - LHR
3 stops34h 00mMultiple Airlines
Deal found 11/8$870
This Trip.com deal was found by Cheapflights users on 11/10. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/510:50 amLHR - SAT
1 stop33h 25mMultiple Airlines
Mon 12/83:10 pmSAT - LHR
2 stops19h 25mMultiple Airlines
Deal found 11/10$898
This Kiwi.com deal was found by Cheapflights users on 11/9. 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.
Thu 12/2511:05 amLHR - SAT
2 stops24h 30mMultiple Airlines
Sun 1/42:01 pmSAT - LHR
1 stop20h 49mMultiple Airlines
Deal found 11/9$952
This Kiwi.com deal was found by Cheapflights users on 11/10. 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.
Thu 12/119:55 amLHR - SAT
2 stops33h 05mMultiple Airlines
Mon 1/52:01 pmSAT - LHR
1 stop18h 39mMultiple Airlines
Deal found 11/10$998
This The Travel House deal was found by Cheapflights users on 11/8. 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 The Travel House is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/226:40 amLHR - SAT
2 stops23h 08mScandinavian Airlines
Sat 12/62:00 pmSAT - LHR
2 stops25h 40mScandinavian Airlines
Deal found 11/8$999
This Mytrip deal was found by Cheapflights users on 11/9. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/241:25 pmLHR - SAT
2 stops28h 25mMultiple Airlines
Wed 12/312:39 pmSAT - LHR
3 stops34h 31mMultiple Airlines
Deal found 11/9$1,056
This Mytrip deal was found by Cheapflights users on 11/9. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/256:00 pmLHR - SAT
2 stops35h 26mMultiple Airlines
Mon 1/52:39 pmSAT - LHR
2 stops35h 51mMultiple Airlines
Deal found 11/9$1,081

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 November 10, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$748
(Mytrip)

One-way from

$465
(Kiwi.com)

Popular in

August

Cheapest in

March

Average price

$1,013
Provider with most accurate pricing for London Heathrow-San Antonio flight deals.
Search Deals
Provider most trusted by Cheapflights users for London Heathrow-San Antonio flights.
Search Deals
From London Heathrow to San Antonio
Search Deals
One-way flight from London Heathrow to San Antonio
Search Deals
Highest demand for flights based on searches. 12% potential increase in price ($153 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($34 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in November 2025
Search Deals

Cheapflights Fare Finder

 
Customize 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 2,558,603 searches. Data last updated November 10, 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 3/5

6:40 am-12:36 am

2 stops23h 56m

San Antonio

Mon 3/9

4:25 pm-4:00 pm

2 stops18h 35m

$839

LondonSan Antonio

LHR - SAT

LHRSAT

London Heathrow

Fri 12/5

6:40 am-12:34 am

2 stops23h 54m

San Antonio

Mon 12/8

1:06 pm-4:25 pm

3 stops21h 19m

$876

LondonSan Antonio

LHR - SAT

LHRSAT

London Heathrow

Wed 2/4

11:45 am-11:58 pm

1 stop18h 13m

San Antonio

Wed 2/11

1:08 pm-6:50 am

1 stop11h 42m

$952

LondonSan Antonio

LHR - SAT

LHRSAT

London Heathrow

Mon 5/4

11:45 am-9:48 am

2 stops28h 03m

San Antonio

Sat 5/9

5:15 pm-10:45 am

1 stop11h 30m

$1,022

LondonSan Antonio

LHR - SAT

LHRSAT

London Heathrow

Mon 4/13

7:30 pm-11:18 pm

2 stops33h 48m

San Antonio

Mon 5/4

12:10 pm-2:35 pm

2 stops44h 25m

$1,070

LondonSan Antonio

LHR - SAT

LHRSAT

London Heathrow

Mon 4/13

4:25 pm-11:38 pm

1 stop13h 13m

San Antonio

Mon 5/4

6:48 pm-12:10 pm

1 stop11h 22m

$1,078

LondonSan Antonio

LHR - SAT

LHRSAT

London Heathrow

Mon 4/13

9:30 am-11:13 pm

2 stops19h 43m

San Antonio

Mon 5/4

12:10 pm-6:55 am

1 stop12h 45m

$1,079

LondonSan Antonio

LHR - SAT

LHRSAT

London Heathrow

Tue 1/6

1:25 pm-12:24 pm

2 stops28h 59m

San Antonio

Thu 1/15

9:50 am-7:10 am

2 stops15h 20m

$1,084

LondonSan Antonio

LHR - SAT

LHRSAT

London Heathrow

Wed 1/7

8:00 am-7:41 pm

2 stops17h 41m

San Antonio

Thu 1/15

9:50 am-7:30 am

1 stop15h 40m

$1,084

LondonSan Antonio

LHR - SAT

LHRSAT

London Heathrow

Sat 1/10

8:20 am-3:45 pm

1 stop13h 25m

San Antonio

Thu 5/14

8:35 pm-2:25 pm

1 stop11h 50m

$1,092

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/10

Showing 1-10 of 17 results
1
2

Compare providers for flights from Heathrow to San Antonio

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 Heathrow to San Antonio in November.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars
PricelinePrice Accuracy1 starTrust Score*3 stars
AranGrantPrice Accuracy2 starsTrust Score*3 stars
CheapflightsfaresPrice Accuracy3 starsTrust Score*2 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on London Heathrow Airport-San Antonio flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on London Heathrow Airport-San Antonio flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from London Heathrow Airport-San Antonio flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on London Heathrow Airport-San Antonio flights, Cheapflights users trust eDreams the most. eDreams 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 London Heathrow Airport-San Antonio 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 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 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 London Heathrow Airport to San Antonio

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 round-trip flight from Heathrow to San Antonio. Price data was last updated on November 7, 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 $591). Flying from London Heathrow Airport to San Antonio in July is currently the most expensive (average of $737). 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.

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 November 10, 2025.
Get a feel of what it's like to fly with British Airways from London Heathrow Airport to San Antonio by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
British Airways
6.7
Okay
7,510 reviews

Boarding

6.9

Crew

7.6

Food

6.3

Comfort

6.7

Overall

6.7

Entertainment

6.4

Reviews

1 / 20
6.0
Good

Roxanne,Sep 2025

LHR - IAD

Food was mediocre. Couldn't use headphones because no information on how to use. Staff paid so much attention on a family with a baby . They got VIP treatment.
British Airways
6.7
Okay
7,510 reviews
British Airways
6.7
Okay
7,510 reviews

Boarding

6.9

Crew

7.6

Food

6.3

Comfort

6.7

Overall

6.7

Entertainment

6.4

Reviews

1 / 20
6.0
Good

Roxanne,Sep 2025

LHR - IAD

Food was mediocre. Couldn't use headphones because no information on how to use. Staff paid so much attention on a family with a baby . They got VIP treatment.

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?

    San Antonio (SAT) is the airport you will fly into if you book a flight from London Heathrow to San Antonio. You should not have trouble finding flights to San Antonio from London Heathrow; the airport handles an average of 0 inbound flights from London Heathrow per day. You should also have plenty of airline options to choose from since 1 airline has flights to the San Antonio airport from London Heathrow. It is only a 7.6 mi journey from San Antonio (SAT) to San Antonio’s city center.

  • How long is the flight from London Heathrow Airport to San Antonio?

    Departing from London Heathrow Airport to San Antonio will take you 23h 56m. There are 4967 mi between London Heathrow Airport and San Antonio.

  • What is the cheapest airline to fly from London Heathrow Airport to San Antonio round-trip?

    Our cheapest airline available from London Heathrow Airport to San Antonio is British Airways. Our recent data shows that you can find tickets from as low as $1,014 on this airline. British Airways is 3% cheaper than the average price of flights available within the next 90 days to this destination.

  • 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 vacation 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 $591). Flying from London Heathrow Airport to San Antonio in July is currently the most expensive (average of $737). 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.

See more FAQs

Traveling to a place near San Antonio?

Book flights to San Antonio if you plan to visit one of these locations
New Braunfels
Kerrville

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Top airline flying from Heathrow to San Antonio

Discover the top airline 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 2,558,603 searches. Data last updated November 10, 2025.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest$1,014Average$1,430FlexibilityNo cancel feeOn-time70%

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