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

For as low as $625, Delta can have you in London Heathrow Airport from San Antonio in 10h 45m. There are 4967 mi between San Antonio and London Heathrow Airport. This flight may include one or multiple stops.

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

Cheapflights users have booked flights from San Antonio to London Heathrow Airport round-trip from $530. Other airlines that can offer you cheap pricing are United Airlines, from $531, and British Airways, from $566. Delta is 45% cheaper than the average price of flights available within the next 90 days to this destination.

In terms of precipitation, rainfall in London Heathrow Airport ranges from 1.6 - 2.8 inches per month. January is typically the wettest month, when rainfall can reach 2.8 in. July is typically the driest time to visit London Heathrow Airport when rainfall is around 1.6 in.

If weather is an important factor for your trip to London Heathrow Airport, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 62.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 39.2 F).

What are the most popular airlines that fly from San Antonio to London Heathrow Airport?

When booking a flight from San Antonio to London Heathrow Airport, you may want to consider flying on British Airways, United Airlines or American Airlines as they are the most popular for this route.

Most accurate provider : When it comes to deals on San Antonio-London Heathrow Airport flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on San Antonio-London Heathrow Airport flight deals on Cheapflights vs. eDreams >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 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 San Antonio-London Heathrow Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

What airport do you fly from for flights from San Antonio to London Heathrow?

Located just 7.6 mi from the city center, San Antonio is the airport most travelers will use when flying to London Heathrow from San Antonio. Booking flights from San Antonio (SAT) to London Heathrow should be relatively easy as there are 0 daily outbound flights to London Heathrow from 6 different airlines.

Can I find deals for flights from San Antonio to Heathrow that include hotel bookings?

Yes. In addition to deals on San Antonio to Heathrow flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from San Antonio to Heathrow?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from San Antonio to Heathrow.

Can I find deals for business class flights from San Antonio to Heathrow?

Yes. Cheapflights offers flight deals from San Antonio to Heathrow by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

$218+ Flights from San Antonio to London Heathrow Airport

Q: How much does it cost to fly round-trip from San Antonio to London Heathrow Airport?

Airfare is below average for this route at the moment. San Antonio to London Heathrow Airport flights typically cost between $920 and $1,727 in April. The cheapest round-trip price found within the last 3 days was $612 on Scandinavian Airlines (Apr 14-May 12).

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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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Cheapflights Tip: The best prices from San Antonio to London Heathrow are usually found in October or August, booked 75 days in advance, depart on a Thursday or Sunday and return on a Monday

Find flight deals from San Antonio to Heathrow

Cheapest flights from San Antonio to Heathrow
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 November 24, 2025.

Mon 12/297:30 pmSAT - LHR

1 stop30h 00mUnited Airlines

Mon 1/121:50 pmLHR - SAT

2 stops37h 06mUnited Airlines

Deal found 11/22

$701

Wed 11/2612:21 pmSAT - LHR

1 stop16h 44mLufthansa

Thu 12/49:30 amLHR - SAT

2 stops18h 02mLufthansa

Deal found 11/23

$765

Mon 12/297:30 pmSAT - LHR

2 stops29h 00mMultiple Airlines

Mon 1/127:30 pmLHR - SAT

2 stops31h 26mMultiple Airlines

Deal found 11/22

$768

Mon 12/294:05 pmSAT - LHR

1 stop33h 25mLufthansa

Mon 1/1210:25 amLHR - SAT

1 stop14h 44mLufthansa

Deal found 11/22

$773

Mon 12/81:06 pmSAT - LHR

1 stop12h 44mDelta

Tue 12/2310:45 amLHR - SAT

1 stop16h 48mDelta

Deal found 11/22

$806

Fri 11/285:13 pmSAT - LHR

1 stop12h 02mLufthansa

Fri 12/56:30 amLHR - SAT

2 stops21h 02mLufthansa

Deal found 11/23

$812

Wed 12/1012:10 pmSAT - LHR

1 stop16h 05mDelta

Wed 12/174:00 pmLHR - SAT

1 stop27h 17mDelta

Deal found 11/22

$813

Fri 11/2812:49 pmSAT - LHR

2 stops49h 46mMultiple Airlines

Fri 12/121:35 pmLHR - SAT

1 stop15h 24mMultiple Airlines

Deal found 11/24

$814

Thu 12/111:06 pmSAT - LHR

1 stop11h 19mDelta

Thu 12/256:30 amLHR - SAT

2 stops21h 23mDelta

Deal found 11/22

$818

Sun 12/76:22 pmSAT - LHR

1 stop11h 18mMultiple Airlines

Sun 12/148:55 amLHR - SAT

1 stop14h 22mMultiple Airlines

Deal found 11/23

$826

Thu 12/119:55 amSAT - LHR

2 stops15h 15mMultiple Airlines

Thu 12/256:50 amLHR - SAT

2 stops19h 34mMultiple Airlines

Deal found 11/22

$828

Best flights from San Antonio to Heathrow
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 November 24, 2025.

Fri 1/301:40 pmSAT - LHR

1 stop10h 45mDelta

Tue 2/311:45 amLHR - SAT

2 stops18h 53mDelta

Deal found 11/22

$625

Mon 1/1211:12 amSAT - LHR

2 stops24h 28mScandinavian Airlines

Mon 1/266:40 amLHR - SAT

2 stops23h 58mScandinavian Airlines

Deal found 11/23

$627

Wed 2/111:40 pmSAT - LHR

1 stop12h 10mKLM

Sun 2/223:50 pmLHR - SAT

1 stop14h 46mKLM

Deal found 11/22

$652

Mon 1/125:20 amSAT - LHR

1 stop19h 05mDelta

Mon 1/268:40 amLHR - SAT

2 stops17h 45mDelta

Deal found 11/23

$625

Wed 1/712:25 pmSAT - LHR

1 stop12h 25mKLM

Wed 1/141:00 pmLHR - SAT

1 stop15h 55mKLM

Deal found 11/23

$652

Mon 1/1212:25 pmSAT - LHR

1 stop12h 25mKLM

Mon 1/2612:30 pmLHR - SAT

1 stop15h 58mKLM

Deal found 11/23

$652

Thu 1/157:45 amSAT - LHR

2 stops16h 35mDelta

Mon 1/1911:05 amLHR - SAT

2 stops19h 33mDelta

Deal found 11/23

$657

Thu 1/1512:25 pmSAT - LHR

1 stop12h 25mKLM

Mon 1/1911:05 amLHR - SAT

1 stop16h 29mKLM

Deal found 11/23

$652

Thu 1/2912:25 pmSAT - LHR

1 stop12h 25mKLM

Mon 2/21:00 pmLHR - SAT

1 stop15h 55mKLM

Deal found 11/23

$652

Last-minute flights from San Antonio to Heathrow
Discover last-minute flight deals from San Antonio to Heathrow. Data last updated November 24, 2025 and is based on user searches.

Wed 11/2612:21 pmSAT - LHR

1 stop16h 44mLufthansa

Thu 12/49:30 amLHR - SAT

2 stops18h 02mLufthansa

Deal found 11/23

$765

Wed 11/262:14 pmSAT - LHR

2 stops15h 01mMultiple Airlines

Thu 12/46:50 amLHR - SAT

2 stops19h 25mMultiple Airlines

Deal found 11/23

$782

Fri 11/285:13 pmSAT - LHR

1 stop12h 02mLufthansa

Fri 12/56:30 amLHR - SAT

2 stops21h 02mLufthansa

Deal found 11/23

$812

Fri 11/2812:49 pmSAT - LHR

2 stops49h 46mMultiple Airlines

Fri 12/121:35 pmLHR - SAT

1 stop15h 24mMultiple Airlines

Deal found 11/24

$814

Sun 12/76:22 pmSAT - LHR

1 stop11h 18mMultiple Airlines

Sun 12/148:55 amLHR - SAT

1 stop14h 22mMultiple Airlines

Deal found 11/23

$826

Mon 12/811:36 amSAT - LHR

1 stop15h 24mDelta

Wed 12/2410:45 amLHR - SAT

1 stop14h 08mDelta

Deal found 11/22

$806

Wed 12/1012:10 pmSAT - LHR

1 stop16h 05mDelta

Wed 12/174:00 pmLHR - SAT

1 stop27h 17mDelta

Deal found 11/22

$813

Thu 12/111:06 pmSAT - LHR

1 stop11h 19mDelta

Thu 12/256:30 amLHR - SAT

2 stops21h 23mDelta

Deal found 11/22

$818

Thu 12/119:55 amSAT - LHR

2 stops15h 15mMultiple Airlines

Thu 12/256:50 amLHR - SAT

2 stops19h 34mMultiple Airlines

Deal found 11/22

$828

Mon 12/297:30 pmSAT - LHR

1 stop30h 00mUnited Airlines

Mon 1/121:50 pmLHR - SAT

2 stops37h 06mUnited Airlines

Deal found 11/22

$701

Mon 12/297:30 pmSAT - LHR

2 stops29h 00mMultiple Airlines

Mon 1/127:30 pmLHR - SAT

2 stops31h 26mMultiple Airlines

Deal found 11/22

$768

Mon 12/294:05 pmSAT - LHR

1 stop33h 25mLufthansa

Mon 1/1210:25 amLHR - SAT

1 stop14h 44mLufthansa

Deal found 11/22

$773

One-way flights from San Antonio to Heathrow
Search for one-way flight options from San Antonio to Heathrow. Find affordable one-way fares based on user searches. Data last updated November 24, 2025.

Tue 4/286:15 pmSAT - LHR

1 stop14h 10mIberia

Deal found 11/22

$218

Tue 4/2812:15 pmSAT - LHR

2 stops16h 00mDelta

Deal found 11/22

$222

Thu 12/43:10 pmSAT - LHR

3 stops34h 00mMultiple Airlines

Deal found 11/23

$280

Wed 12/106:10 pmSAT - LHR

3 stops34h 40mMultiple Airlines

Deal found 11/23

$331

Tue 12/96:10 pmSAT - LHR

3 stops34h 40mMultiple Airlines

Deal found 11/23

$332

Mon 12/81:55 pmSAT - LHR

3 stops38h 55mMultiple Airlines

Deal found 11/23

$339

Sun 2/153:03 pmSAT - LHR

3 stops39h 47mMultiple Airlines

Deal found 11/22

$356

Tue 12/302:39 pmSAT - LHR

3 stops34h 31mMultiple Airlines

Deal found 11/21

$380

Sun 12/145:46 pmSAT - LHR

3 stops33h 29mMultiple Airlines

Deal found 11/23

$415

Thu 12/115:40 amSAT - LHR

3 stops29h 50mMultiple Airlines

Deal found 11/23

$442

Cheap flight deals from San Antonio to Heathrow

Most accurate provider	eDreams 3 stars
Most trusted provider	eDreams 3 stars
Round-trip from	$612 (Scandinavian Airlines)
One-way from	$218 (Cheapflightsfares)
Popular in	December
Cheapest in	October
Average price	$857

Provider with most accurate pricing for San Antonio-London Heathrow flight deals.

Search Deals

Provider most trusted by Cheapflights users for San Antonio-London Heathrow flights.

Search Deals

From San Antonio to London Heathrow

Search Deals

One-way flight from San Antonio to London Heathrow

Search Deals

Highest demand for flights based on searches. 9% potential increase in price ($108 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 6% potential price decrease ($59 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in November 2025

Search Deals

Cheapflights Fare Finder

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

Price

San AntonioLondon

SAT - LHR

SATLHR

San Antonio

Fri 1/30

1:40 pm-6:25 am

1 stop10h 45m

London Heathrow

Tue 2/3

11:45 am-12:38 am

2 stops18h 53m

$625

San AntonioLondon

SAT - LHR

SATLHR

San Antonio

Mon 1/12

5:20 am-6:25 am

1 stop19h 05m

London Heathrow

Mon 1/26

8:40 am-8:25 pm

2 stops17h 45m

$625

San AntonioLondon

SAT - LHR

SATLHR

San Antonio

Mon 1/12

11:12 am-5:40 pm

2 stops24h 28m

London Heathrow

Mon 1/26

6:40 am-12:38 am

2 stops23h 58m

$627

San AntonioLondon

SAT - LHR

SATLHR

San Antonio

Wed 2/11

1:40 pm-7:50 am

1 stop12h 10m

London Heathrow

Sun 2/22

3:50 pm-12:36 am

1 stop14h 46m

$652

San AntonioLondon

SAT - LHR

SATLHR

San Antonio

Wed 1/7

12:25 pm-6:50 am

1 stop12h 25m

London Heathrow

Wed 1/14

1:00 pm-10:55 pm

1 stop15h 55m

$652

San AntonioLondon

SAT - LHR

SATLHR

San Antonio

Mon 1/12

12:25 pm-6:50 am

1 stop12h 25m

London Heathrow

Mon 1/26

12:30 pm-10:28 pm

1 stop15h 58m

$652

San AntonioLondon

SAT - LHR

SATLHR

San Antonio

Thu 1/15

12:25 pm-6:50 am

1 stop12h 25m

London Heathrow

Mon 1/19

11:05 am-9:34 pm

1 stop16h 29m

$652

San AntonioLondon

SAT - LHR

SATLHR

San Antonio

Thu 1/29

12:25 pm-6:50 am

1 stop12h 25m

London Heathrow

Mon 2/2

1:00 pm-10:55 pm

1 stop15h 55m

$652

San AntonioLondon

SAT - LHR

SATLHR

San Antonio

Thu 1/15

7:45 am-6:20 am

2 stops16h 35m

London Heathrow

Mon 1/19

11:05 am-12:38 am

2 stops19h 33m

$657

San AntonioLondon

SAT - LHR

SATLHR

San Antonio

Thu 12/4

3:10 pm-7:10 am

3 stops34h 00m

$280

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/23

Showing 1-10 of 19 results

Compare providers for flights from San Antonio to Heathrow

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 November.

Provider	Price Accuracy	Trust Score*
Expedia	Price Accuracy2 stars	Trust Score*3 stars
FlightHub	Price Accuracy3 stars	Trust Score*1 star
eDreams	Price Accuracy3 stars	Trust Score*3 stars
Cheapfaremart	Price Accuracy-	Trust Score*1 star
AranGrant	Price Accuracy2 stars	Trust Score*3 stars
Cheapflightsfares	Price Accuracy3 stars	Trust Score*2 stars
oojo	Price Accuracy3 stars	Trust Score*3 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 San Antonio-London Heathrow Airport flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on San Antonio-London Heathrow Airport flight deals on Cheapflights vs. eDreams >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 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 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.

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 74 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, September is the cheapest month in which you can book a flight from San Antonio to London Heathrow Airport (average of $527). Flying from San Antonio to London Heathrow Airport in June is currently the most expensive (average of $842). 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 SAT to LHR?

When flying from San Antonio to London Heathrow Airport, the time of day you fly usually plays a role in the price. Save by searching for a flight at noon, which can drop the price by up to 13% versus a flight in the evening.

What is the cheapest day to fly from San Antonio to London Heathrow Airport?

Travelers seeking maximum savings on their San Antonio to London Heathrow Airport flight should consider departing on Wednesday afternoons when fares are most often at their lowest. Monday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

How much does it cost to fly round-trip from San Antonio to London Heathrow Airport?

Reviews of airlines servicing Heathrow

Peruse reviews from past customers who have flown with Delta, United Airlines, and American Airlines 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.

Delta

7.9

Good

7,993 reviews

Reviews

1 / 20

6.0

Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

Delta

7.9

Good

7,993 reviews

Delta

7.9

Good

7,993 reviews

Reviews

1 / 20

6.0

Good

Jim,Nov 2025

AVL - ATL

United Airlines

7.4

Good

9,039 reviews

Delta

7.9

Good

7,993 reviews

Reviews

1 / 20

6.0

Good

Jim,Nov 2025

AVL - ATL

American Airlines

7.2

Good

11,043 reviews

Delta

7.9

Good

7,993 reviews

Reviews

1 / 20

6.0

Good

Jim,Nov 2025

AVL - ATL

Iberia

7.0

Good

3,033 reviews

Delta

7.9

Good

7,993 reviews

Reviews

1 / 20

6.0

Good

Jim,Nov 2025

AVL - ATL

British Airways

6.7

Okay

7,535 reviews

Delta

7.9

Good

7,993 reviews

Reviews

1 / 20

6.0

Good

Jim,Nov 2025

AVL - ATL

Related info for your journey

What airport do you fly from for flights from San Antonio to London Heathrow?
Located just 7.6 mi from the city center, San Antonio is the airport most travelers will use when flying to London Heathrow from San Antonio. Booking flights from San Antonio (SAT) to London Heathrow should be relatively easy as there are 0 daily outbound flights to London Heathrow from 6 different airlines.
How long is the flight from San Antonio to London Heathrow Airport?
For as low as $625, Delta can have you in London Heathrow Airport from San Antonio in 10h 45m. There are 4967 mi between San Antonio and London Heathrow Airport. This flight may include one or multiple stops.
What are the cheapest airlines flying from San Antonio to London Heathrow Airport round-trip?
Cheapflights users have booked flights from San Antonio to London Heathrow Airport round-trip from $530. Other airlines that can offer you cheap pricing are United Airlines, from $531, and British Airways, from $566. Delta is 45% cheaper than the average price of flights available within the next 90 days to this destination.
Can I find deals for flights from San Antonio to Heathrow that include hotel bookings?
Yes. In addition to deals on San Antonio to Heathrow flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from San Antonio to Heathrow?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from San Antonio to Heathrow.
Can I find deals for business class flights from San Antonio to Heathrow?
Yes. Cheapflights offers flight deals from San Antonio to Heathrow 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 San Antonio to London Heathrow Airport?
Currently, September is the cheapest month in which you can book a flight from San Antonio to London Heathrow Airport (average of $527). Flying from San Antonio to London Heathrow Airport in June is currently the most expensive (average of $842). 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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Top 6 airlines flying from San Antonio to Heathrow

Airline	Cheapest	Average	Flexibility	On-time
Delta	Cheapest$530	Average$1,004	FlexibilityNo cancel fee	On-timeN/A
United Airlines	Cheapest$531	Average$924	FlexibilityNo cancel fee	On-time69%
British Airways	Cheapest$566	Average$898	FlexibilityNo cancel fee	On-time70%
American Airlines	Cheapest$571	Average$941	FlexibilityNo cancel fee	On-time71%
Virgin Atlantic	Cheapest$600	Average$988	FlexibilityNo cancel fee	On-time72%
Iberia	Cheapest$668	Average$999	FlexibilityNo cancel fee	On-time77%

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$218+ 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 4/28. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from San Antonio to Heathrow with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheapflights Tip: The best prices from San Antonio to London Heathrow are usually found in October or August, booked 75 days in advance, depart on a Thursday or Sunday and return on a Monday

Find flight deals from San Antonio to Heathrow

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 November 24, 2025.

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 November 24, 2025.

Cheap flight deals from San Antonio to Heathrow

Most accurate provider

Most trusted provider

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Cheapflights Fare Finder

Use the filters below to find and compare flights from San Antonio to London Heathrow Airport that are best for you.

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 November.

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.

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?

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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.

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Alternative routes for San Antonio to Heathrow

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Top 6 airlines flying from San Antonio to Heathrow

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Cheapest flights from San Antonio to Heathrow
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 November 24, 2025.