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$483+ 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 10/7. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — SAT
Aug 3 — Aug 101
Sun 8/3
Sun 8/10
1 adult, Economy
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Cheapflights Tip: The best prices from London Heathrow to San Antonio are usually found in November or September, booked 79 days in advance, depart on a Monday or Thursday and return on a Thursday

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 July 29, 2025.

Round-trip from

$812
(Ticket)

One-way from

$483
(Mytrip)

Popular in

August

Cheapest in

November

Average price

$1,239
From London Heathrow to San Antonio
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One-way flight from London Heathrow to San Antonio
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Highest demand for flights based on searches. 12% potential increase in price ($146 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($36 potential savings vs. average RT price).
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Average for round-trip flights in July 2025
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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 July 29, 2025.

This Ticket deal was found by Cheapflights users on 7/27. 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 Ticket is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/176:40 amLHR - SAT
2 stops23h 12mScandinavian Airlines
Mon 9/223:25 pmSAT - LHR
2 stops20h 15mScandinavian Airlines
Deal found 7/27$812
This Mytrip deal was found by Cheapflights users on 7/28. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/41:25 pmLHR - SAT
3 stops31h 46mMultiple Airlines
Sun 11/96:00 amSAT - LHR
3 stops23h 20mMultiple Airlines
Deal found 7/28$832
This lol.travel deal was found by Cheapflights users on 7/27. 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.
Wed 9/101:40 pmLHR - SAT
1 stop15h 08mUnited Airlines
Wed 9/1711:45 amSAT - LHR
1 stop13h 55mUnited Airlines
Deal found 7/27$947
This Netflights deal was found by Cheapflights users on 7/28. 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 Netflights is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/2310:30 amLHR - SAT
1 stop13h 17mBritish Airways
Mon 10/135:27 pmSAT - LHR
1 stop11h 23mBritish Airways
Deal found 7/28$951
This World Air Fares deal was found by Cheapflights users on 7/27. 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 World Air Fares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/710:00 amLHR - SAT
1 stop13h 42mLufthansa
Sun 9/141:20 pmSAT - LHR
1 stop14h 50mLufthansa
Deal found 7/27$959
This Finnair deal was found by Cheapflights users on 7/29. 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/28:20 amLHR - SAT
1 stop15h 21mFinnair
Tue 9/301:44 pmSAT - LHR
1 stop13h 16mFinnair
Deal found 7/29$967

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 July 29, 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

Wed 9/17

6:40 am-11:52 pm

2 stops23h 12m

San Antonio

Mon 9/22

3:25 pm-5:40 pm

2 stops20h 15m

$812

LondonSan Antonio

LHR - SAT

LHRSAT

London Heathrow

Tue 11/4

1:25 pm-3:11 pm

3 stops31h 46m

San Antonio

Sun 11/9

6:00 am-11:20 am

3 stops23h 20m

$832

LondonSan Antonio

LHR - SAT

LHRSAT

London Heathrow

Wed 9/10

1:40 pm-10:48 pm

1 stop15h 08m

San Antonio

Wed 9/17

11:45 am-7:40 am

1 stop13h 55m

$947

LondonSan Antonio

LHR - SAT

LHRSAT

London Heathrow

Tue 9/23

10:30 am-5:47 pm

1 stop13h 17m

San Antonio

Mon 10/13

5:27 pm-10:50 am

1 stop11h 23m

$951

LondonSan Antonio

LHR - SAT

LHRSAT

London Heathrow

Sun 9/7

10:00 am-5:42 pm

1 stop13h 42m

San Antonio

Sun 9/14

1:20 pm-10:10 am

1 stop14h 50m

$959

LondonSan Antonio

LHR - SAT

LHRSAT

London Heathrow

Tue 9/2

8:20 am-5:41 pm

1 stop15h 21m

San Antonio

Tue 9/30

1:44 pm-9:00 am

1 stop13h 16m

$967

LondonSan Antonio

LHR - SAT

LHRSAT

London Heathrow

Tue 10/7

6:00 am-4:55 am

3 stops28h 55m

$483

LondonSan Antonio

LHR - SAT

LHRSAT

London Heathrow

Wed 1/7

11:10 am-11:08 pm

2 stops17h 58m

$829

LondonSan Antonio

LHR - SAT

LHRSAT

London Heathrow

Fri 1/2

9:50 am-11:44 pm

2 stops19h 54m

$900

LondonSan Antonio

LHR - SAT

LHRSAT

London Heathrow

Sat 8/9

6:40 am-12:14 am

2 stops23h 34m

$1,084

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/28

Showing 1-10 of 13 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 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 July 25, 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 79 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, August is the cheapest month in which you can book a flight from London Heathrow Airport to San Antonio (average of $295). Flying from London Heathrow Airport to San Antonio in March is currently the most expensive (average of $376). 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 July 29, 2025.
Get a feel of what it's like to fly with Finnair, Aeromexico, and United Airlines 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.
Finnair
7.6
Good
1,316 reviews

Boarding

7.6

Entertainment

6.9

Comfort

7.5

Crew

8.1

Food

6.7

Overall

7.6

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2025

FRA - DFW

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.
Finnair
7.6
Good
1,316 reviews
Finnair
7.6
Good
1,316 reviews

Boarding

7.6

Entertainment

6.9

Comfort

7.5

Crew

8.1

Food

6.7

Overall

7.6

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2025

FRA - DFW

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.
Aeromexico
7.5
Good
1,720 reviews
Finnair
7.6
Good
1,316 reviews

Boarding

7.6

Entertainment

6.9

Comfort

7.5

Crew

8.1

Food

6.7

Overall

7.6

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2025

FRA - DFW

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.
United Airlines
7.4
Good
8,899 reviews
Finnair
7.6
Good
1,316 reviews

Boarding

7.6

Entertainment

6.9

Comfort

7.5

Crew

8.1

Food

6.7

Overall

7.6

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2025

FRA - DFW

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.
Scandinavian Airlines
7.3
Good
1,449 reviews
Finnair
7.6
Good
1,316 reviews

Boarding

7.6

Entertainment

6.9

Comfort

7.5

Crew

8.1

Food

6.7

Overall

7.6

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2025

FRA - DFW

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.
Aer Lingus
7.1
Good
1,190 reviews
Finnair
7.6
Good
1,316 reviews

Boarding

7.6

Entertainment

6.9

Comfort

7.5

Crew

8.1

Food

6.7

Overall

7.6

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2025

FRA - DFW

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?

    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 0 airlines have 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.

  • What are the cheapest airlines flying from London Heathrow Airport to San Antonio round-trip?

    Our cheapest airline available from London Heathrow Airport to San Antonio is Scandinavian Airlines. Our recent data shows that you can find tickets from as low as $812 on this airline. Additional options worth looking into are United Airlines and British Airways, starting at $947 and $951 round-trip. Scandinavian Airlines is 17% cheaper than the average price of flights available within the next 90 days to this destination.

  • What are the cheapest airlines to fly from London Heathrow Airport to San Antonio one-way?

    $829 is the cheapest one-way deal found within the past few days, from Lufthansa. You may also be able to find cheap deals on Aer Lingus and Scandinavian Airlines, with prices starting from $900 and $1,084, respectively.

  • 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, August is the cheapest month in which you can book a flight from London Heathrow Airport to San Antonio (average of $295). Flying from London Heathrow Airport to San Antonio in March is currently the most expensive (average of $376). 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.

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