What’s the top stopover airport for flights from San Antonio to London Heathrow Airport?

Houston (IAH) – chosen by Cheapflights users on 38% of one-stop itineraries from San Antonio to London Heathrow Airport on Cheapflights.

What’s the fastest stopover option from San Antonio to London Heathrow Airport?

Flights via Houston (IAH) have the shortest average one-way travel time for one-stop routes: 11h 24m.

What’s the cheapest stopover airport for flights from San Antonio to London Heathrow Airport?

Atlanta (ATL) is the most affordable one-stop option, with an average return flight price of £398.

Which airport typically offers the quickest stopover for flights from San Antonio to London Heathrow Airport?

Flights via Atlanta (ATL) offer the fastest connection on this route, with an average stopover time of 1h 52m.

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

A quick flight from San Antonio to London Heathrow Airport can take about 16h 35m. Delta provides one of the quickest options available for as low as £444. The distance from San Antonio to London Heathrow Airport is about 4967 mi.

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

To fly one-way, consider booking your trip with Scandinavian Airlines, which is currently one of the cheapest options available, starting at £257. United Airlines flights start at £308 while deals on Air Canada start at £310 one-way.

In terms of precipitation, rainfall in London Heathrow Airport ranges from 40.0 - 70.0 inches per month. January is typically the wettest month, when rainfall can reach 70.0 mm. July is typically the driest time to visit London Heathrow Airport when rainfall is around 40.0 mm.

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 17.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 4.0 C).

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

San Antonio (SAT), located 7.6 mi from the city center, is the airport you fly out of when you book flights from San Antonio to London Heathrow. 0 airlines have flights from San Antonio to London Heathrow on a regular basis. Booking flights from San Antonio to London Heathrow should not be difficult; the airport handles an average of 0 outbound flights to London Heathrow per day.

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 holiday 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.

£257+ Cheap Flights from San Antonio to London Heathrow Airport

Q: How much does it cost for a return flight 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 £585 and £1,045 in November. The cheapest return flight price found within the last 3 days was £444 on Delta (19 Nov-3 Dec).

Cheapflights Tip: The best prices from San Antonio to London Heathrow are usually found in October or August, booked 74 days in advance, depart on a Monday or Tuesday and return on a Saturday

Cheap flight deals from San Antonio to Heathrow

Round-trip from	£444
One-way from	£257
Popular in	December
Cheapest in	October
Average price	£471

Delta
19/11-3/12
3 total stops
30h 53m total
San Antonio to London

Search Deals

Scandinavian Airlines
23/4
2 total stops
23h 30m total
San Antonio to London

Search Deals

Highest demand for flights based on searches. 8% potential increase in price (£51 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 5% potential price decrease (£30 potential savings vs. average return price).

Search Deals

Average for round-trip flights in October 2025

Search Deals

Find flight deals from San Antonio to Heathrow

Enter your travel dates to find the best prices.

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 28 October 2025.

Tue 4/1112:23SAT - LHR

1 stop13h 27mKLM

Thu 20/1113:00LHR - SAT

1 stop15h 57mKLM

Deal found 27/10£442

Wed 19/1112:10SAT - LHR

1 stop12h 45mDelta

Wed 3/1209:00LHR - SAT

2 stops18h 03mDelta

Deal found 27/10£444

Wed 19/1106:32SAT - LHR

1 stop18h 33mDelta

Thu 27/1106:30LHR - SAT

2 stops22h 06mDelta

Deal found 26/10£445

Tue 28/1010:54SAT - LHR

2 stops15h 11mDelta

Tue 4/1111:30LHR - SAT

2 stops17h 12mDelta

Deal found 27/10£447

Wed 26/1114:39SAT - LHR

2 stops15h 01mDelta

Thu 4/1206:30LHR - SAT

2 stops16h 47mDelta

Deal found 27/10£448

Wed 19/1115:00SAT - LHR

2 stops13h 50mVirgin Atlantic

Thu 27/1111:05LHR - SAT

2 stops17h 31mVirgin Atlantic

Deal found 26/10£453

Wed 19/1112:21SAT - LHR

1 stop11h 59mUnited Airlines

Thu 27/1113:25LHR - SAT

2 stops39h 51mUnited Airlines

Deal found 26/10£470

Sun 26/1016:40SAT - LHR

2 stops23h 10mLufthansa

Wed 5/1108:45LHR - SAT

2 stops20h 31mLufthansa

Deal found 26/10£472

Wed 29/1011:35SAT - LHR

1 stop16h 10mDelta

Mon 3/1111:30LHR - SAT

2 stops18h 50mDelta

Deal found 26/10£482

Wed 29/1010:54SAT - LHR

1 stop14h 31mDelta

Sun 2/1105:30LHR - SAT

2 stops19h 58mDelta

Deal found 26/10£482

Best flights from San Antonio to Heathrow
Discover carefully curated flight deals from San Antonio to Heathrow that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 28 October 2025.

Wed 26/1113:05SAT - LHR

1 stop16h 35mDelta

Thu 4/1211:30LHR - SAT

2 stops17h 47mDelta

Deal found 26/10£444

Wed 19/1114:00SAT - LHR

1 stop15h 25mDelta

Wed 3/1206:20LHR - SAT

2 stops17h 00mDelta

Deal found 26/10£444

Wed 19/1106:32SAT - LHR

1 stop18h 33mDelta

Thu 27/1106:30LHR - SAT

2 stops22h 06mDelta

Deal found 26/10£445

Wed 19/1106:32SAT - LHR

1 stop18h 33mDelta

Wed 26/1110:00LHR - SAT

2 stops18h 57mDelta

Deal found 26/10£445

Wed 11/208:00SAT - LHR

1 stop17h 50mDelta

Wed 25/211:30LHR - SAT

2 stops18h 03mDelta

Deal found 27/10£450

Wed 11/212:55SAT - LHR

1 stop13h 10mDelta

Wed 18/206:20LHR - SAT

2 stops20h 07mDelta

Deal found 26/10£450

Last-minute flights from San Antonio to Heathrow
Discover last-minute flight deals from San Antonio to Heathrow. Data last updated 28 October 2025 and is based on user searches.

Tue 4/1112:23SAT - LHR

1 stop13h 27mKLM

Thu 20/1113:00LHR - SAT

1 stop15h 57mKLM

Deal found 27/10£442

Tue 4/1108:00SAT - LHR

1 stop16h 25mDelta

Thu 20/1111:30LHR - SAT

2 stops17h 27mDelta

Deal found 27/10£444

Tue 4/1107:40SAT - LHR

3 stops17h 30mMultiple Airlines

Thu 20/1118:00LHR - SAT

2 stops27h 18mMultiple Airlines

Deal found 27/10£1,061

Tue 4/1114:14SAT - LHR

1 stop11h 16mLufthansa

Tue 18/1110:00LHR - SAT

1 stop13h 47mLufthansa

Deal found 27/10£1,215

Tue 4/1109:45SAT - LHR

2 stops15h 25mMultiple Airlines

Tue 18/1106:50LHR - SAT

2 stops19h 25mMultiple Airlines

Deal found 27/10£1,268

Wed 5/1114:04SAT - LHR

1 stop15h 11mUnited Airlines

Tue 18/1111:10LHR - SAT

2 stops31h 54mUnited Airlines

Deal found 27/10£1,264

Thu 6/1114:33SAT - LHR

1 stop12h 27mKLM

Sun 9/1113:00LHR - SAT

1 stop15h 57mKLM

Deal found 27/10£524

Thu 6/1114:14SAT - LHR

1 stop11h 16mUnited Airlines

Sun 9/1113:25LHR - SAT

2 stops31h 53mUnited Airlines

Deal found 27/10£545

Thu 6/1117:13SAT - LHR

2 stops17h 52mLufthansa

Sun 9/1119:30LHR - SAT

2 stops31h 50mLufthansa

Deal found 27/10£557

Thu 6/1107:40SAT - LHR

3 stops17h 30mMultiple Airlines

Sun 9/1112:00LHR - SAT

2 stops17h 16mMultiple Airlines

Deal found 27/10£1,682

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 28 October 2025.

Thu 23/412:10SAT - LHR

2 stops23h 30mScandinavian Airlines

Deal found 26/10£257

Sat 8/1118:00SAT - LHR

1 stop31h 30mUnited Airlines

Deal found 27/10£308

Sat 8/1114:04SAT - LHR

2 stops35h 06mAir Canada

Deal found 27/10£310

Thu 23/407:00SAT - LHR

3 stops47h 05mMultiple Airlines

Deal found 26/10£377

Thu 23/412:29SAT - LHR

1 stop11h 51mBritish Airways

Deal found 26/10£385

Mon 17/1118:51SAT - LHR

2 stops42h 39mMultiple Airlines

Deal found 26/10£1,128

Mon 17/1112:55SAT - LHR

1 stop15h 05mFinnair

Deal found 26/10£1,520

Fri 16/111:36SAT - LHR

1 stop13h 14mBritish Airways

Deal found 26/10£2,027

Fri 16/114:15SAT - LHR

2 stops19h 35mLufthansa

Deal found 27/10£2,126

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

Wed 26/11

13:05-11:40

1 stop16h 35m

London Heathrow

Thu 4/12

11:30-23:17

2 stops17h 47m

£444

San AntonioLondon

SAT - LHR

SATLHR

San Antonio

Wed 19/11

14:00-11:25

1 stop15h 25m

London Heathrow

Wed 3/12

06:20-17:20

2 stops17h 00m

£444

San AntonioLondon

SAT - LHR

SATLHR

San Antonio

Wed 19/11

06:32-07:05

1 stop18h 33m

London Heathrow

Thu 27/11

06:30-22:36

2 stops22h 06m

£445

San AntonioLondon

SAT - LHR

SATLHR

San Antonio

Wed 19/11

06:32-07:05

1 stop18h 33m

London Heathrow

Wed 26/11

10:00-22:57

2 stops18h 57m

£445

San AntonioLondon

SAT - LHR

SATLHR

San Antonio

Wed 11/2

08:00-07:50

1 stop17h 50m

London Heathrow

Wed 25/2

11:30-23:33

2 stops18h 03m

£450

San AntonioLondon

SAT - LHR

SATLHR

San Antonio

Wed 11/2

12:55-08:05

1 stop13h 10m

London Heathrow

Wed 18/2

06:20-20:27

2 stops20h 07m

£450

San AntonioLondon

SAT - LHR

SATLHR

San Antonio

Thu 23/4

12:10-17:40

2 stops23h 30m

£257

San AntonioLondon

SAT - LHR

SATLHR

San Antonio

Sat 8/11

16:24-07:30

1 stop33h 06m

£308

San AntonioLondon

SAT - LHR

SATLHR

San Antonio

Sat 8/11

14:04-07:10

2 stops35h 06m

£310

San AntonioLondon

SAT - LHR

SATLHR

San Antonio

Thu 23/4

07:00-12:05

3 stops47h 05m

£377

Flights are sorted by cheapest return flights first.

Deals found on 26/10

Showing 1-10 of 14 results

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 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 San Antonio to London Heathrow Airport

Prices

How far ahead should I book a flight from San Antonio to London Heathrow Airport?

The price you pay for your flight from San Antonio to London Heathrow Airport may vary depending on when you book. For the best chance of a lower fare, look to book 74 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

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 £395). Flying from San Antonio to London Heathrow Airport in June is currently the most expensive (average of £652). 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 midday, which can drop the price by up to 10% versus a flight in the evening.

How much does it cost for a return flight from San Antonio to London Heathrow Airport?

Related info for your journey

What airport do you fly from for flights from San Antonio to London Heathrow?
San Antonio (SAT), located 7.6 mi from the city center, is the airport you fly out of when you book flights from San Antonio to London Heathrow. 0 airlines have flights from San Antonio to London Heathrow on a regular basis. Booking flights from San Antonio to London Heathrow should not be difficult; the airport handles an average of 0 outbound flights to London Heathrow per day.
How long is the flight from San Antonio to London Heathrow Airport?
A quick flight from San Antonio to London Heathrow Airport can take about 16h 35m. Delta provides one of the quickest options available for as low as £444. The distance from San Antonio to London Heathrow Airport is about 4967 mi.
What are the cheapest airlines to fly from San Antonio to London Heathrow Airport one-way?
To fly one-way, consider booking your trip with Scandinavian Airlines, which is currently one of the cheapest options available, starting at £257. United Airlines flights start at £308 while deals on Air Canada start at £310 one-way.
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 holiday 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 £395). Flying from San Antonio to London Heathrow Airport in June is currently the most expensive (average of £652). 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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How does Cheapflights help users find flights from San Antonio to Heathrow?

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from San Antonio to Heathrow. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

Why should you use Cheapflights to find cheap flight tickets from San Antonio to Heathrow?

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from San Antonio to Heathrow for you. Better yet — we are completely free to use.

Can Cheapflights find flights from San Antonio to Heathrow with no change fees?

Yes! Cheapflights helps users easily find flights from San Antonio to Heathrow with no change fees.

Can Cheapflights notify me if prices for flights from San Antonio to Heathrow become cheaper?

Yes, Cheapflights offers price alerts on San Antonio to Heathrow flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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Cheap flights from San Antonio to London Heathrow Airport from £257

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 23/4. Fares are subject to change and may not be available on all flights or dates of travel.

Cheapflights Tip: The best prices from San Antonio to London Heathrow are usually found in October or August, booked 74 days in advance, depart on a Monday or Tuesday and return on a Saturday

Cheap flight deals from San Antonio to Heathrow

Round-trip from

One-way from

Popular in

Cheapest in

Average price

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 28 October 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 28 October 2025.

Cheapflights Fare Finder

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

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?

What is the cheapest month to book a flight from San Antonio to London Heathrow Airport?

What is the cheapest time of day to fly from SAT to LHR?

How much does it cost for a return flight from San Antonio to London Heathrow Airport?

What’s the top stopover airport for flights from San Antonio to London Heathrow Airport?

What’s the fastest stopover option from San Antonio to London Heathrow Airport?

What’s the fastest stopover option from San Antonio to London Heathrow Airport?

Which airport typically offers the quickest stopover for flights from San Antonio to London Heathrow Airport?

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.

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

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

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

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

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

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

What is the cheapest month to book a flight from San Antonio to London Heathrow Airport?

Travelling to a place near London Heathrow Airport?

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Alternative routes for San Antonio to Heathrow

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How does Cheapflights help users find flights from San Antonio to Heathrow?

Why should you use Cheapflights to find cheap flight tickets from San Antonio to Heathrow?

Can Cheapflights find flights from San Antonio to Heathrow with no change fees?

Can Cheapflights notify me if prices for flights from San Antonio to Heathrow become cheaper?

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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 28 October 2025.