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.

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

Flights via Dallas (DFW) offer the fastest connection on this route, with an average stopover time of 1h 39m.

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 £391.

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

Dallas (DFW) – chosen by Cheapflights users on 62% of one-stop itineraries from San Antonio to London Heathrow Airport on Cheapflights.

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 14h 06m. United Airlines provides one of the quickest options available for as low as £375. The distance from San Antonio to London Heathrow Airport is about 4967 mi. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

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

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

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 is the cheapest day to fly round-trip from San Antonio to London Heathrow Airport?

Thursday flights are generally found to be more expensive for flights from San Antonio to London Heathrow Airport. This shouldn’t discourage you from searching, as you can still find great deals by being flexible with your options. Use our search form to find deals on tickets to London Heathrow Airport.

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

Flights from San Antonio to London Heathrow Airport lean towards being more expensive in January. Prices are generally better when you fly from San Antonio to London Heathrow Airport in August, with the cheapest ticket starting at £368.

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.

£204+ Cheap Flights from San Antonio to London Heathrow Airport

Cheapflights Tip: The best prices from San Antonio to London Heathrow are usually found in October or August, booked 37 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	£375
One-way from	£204
Popular in	December
Cheapest in	October
Average price	£597

United Airlines
9/12-17/12
3 total stops
53h 35m total
San Antonio to London

Search Deals

27/10
3 total stops
46h 50m total
San Antonio to London

Search Deals

Highest demand for flights based on searches. 7% potential increase in price (£41 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 5% potential price decrease (£26 potential savings vs. average return price).

Search Deals

Average for round-trip flights in September 2025

Search Deals

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 12 September 2025.

Tue 9/1213:34SAT - LHR

1 stop14h 06mUnited Airlines

Wed 17/1213:25LHR - SAT

2 stops39h 29mUnited Airlines

Deal found 11/9£375

Mon 13/1009:47SAT - LHR

1 stop15h 53mUnited Airlines

Tue 28/1011:10LHR - SAT

2 stops30h 15mUnited Airlines

Deal found 11/9£381

Sun 26/1008:00SAT - LHR

1 stop20h 00mDelta

Wed 5/1111:30LHR - SAT

2 stops18h 50mDelta

Deal found 11/9£386

Mon 13/1018:39SAT - LHR

1 stop13h 46mIberia

Tue 28/1008:20LHR - SAT

1 stop18h 05mIberia

Deal found 11/9£389

Tue 30/911:26SAT - LHR

2 stops17h 34mDelta

Tue 7/1011:30LHR - SAT

2 stops18h 50mDelta

Deal found 12/9£389

Wed 1/1011:26SAT - LHR

2 stops15h 24mDelta

Wed 8/1011:30LHR - SAT

2 stops18h 50mDelta

Deal found 11/9£390

Sun 26/1018:24SAT - LHR

1 stop12h 11mBritish Airways

Wed 5/1108:20LHR - SAT

1 stop13h 16mBritish Airways

Deal found 11/9£392

Wed 8/1014:25SAT - LHR

1 stop11h 15mUnited Airlines

Fri 17/1010:00LHR - SAT

1 stop17h 29mUnited Airlines

Deal found 11/9£392

Mon 1/1214:14SAT - LHR

1 stop11h 16mUnited Airlines

Mon 8/1213:50LHR - SAT

2 stops51h 21mUnited Airlines

Deal found 11/9£393

Sun 26/1017:13SAT - LHR

2 stops21h 22mLufthansa

Wed 5/1106:35LHR - SAT

2 stops21h 14mLufthansa

Deal found 11/9£395

Wed 8/1006:00SAT - LHR

2 stops18h 30mAir Canada

Fri 17/1008:30LHR - SAT

2 stops30h 08mAir Canada

Deal found 11/9£398

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 12 September 2025.

Tue 9/1213:34SAT - LHR

1 stop14h 06mUnited Airlines

Wed 17/1213:25LHR - SAT

2 stops39h 29mUnited Airlines

Deal found 11/9£375

Sun 26/1008:00SAT - LHR

1 stop20h 00mDelta

Wed 5/1111:30LHR - SAT

2 stops18h 50mDelta

Deal found 11/9£386

Sun 26/1014:26SAT - LHR

1 stop11h 54mMultiple Airlines

Sun 2/1108:20LHR - SAT

1 stop13h 17mMultiple Airlines

Deal found 11/9£429

Wed 19/1111:50SAT - LHR

2 stops14h 15mDelta

Wed 3/1211:30LHR - SAT

2 stops19h 03mDelta

Deal found 11/9£389

Wed 8/1005:30SAT - LHR

1 stop20h 10mUnited Airlines

Wed 15/1009:30LHR - SAT

2 stops19h 05mUnited Airlines

Deal found 11/9£392

Thu 30/1007:05SAT - LHR

1 stop17h 50mUnited Airlines

Thu 13/1113:25LHR - SAT

2 stops39h 51mUnited Airlines

Deal found 12/9£412

Fri 10/1012:50SAT - LHR

1 stop12h 25mUnited Airlines

Thu 16/1009:30LHR - SAT

2 stops29h 08mUnited Airlines

Deal found 12/9£429

Mon 27/1016:30SAT - LHR

1 stop12h 10mUnited Airlines

Mon 3/1112:05LHR - SAT

1 stop15h 15mUnited Airlines

Deal found 12/9£429

Fri 7/1107:40SAT - LHR

1 stop17h 50mUnited Airlines

Tue 11/1113:35LHR - SAT

1 stop15h 41mUnited Airlines

Deal found 11/9£429

Last-minute flights from San Antonio to Heathrow
Discover last-minute flight deals from San Antonio to Heathrow. Data last updated 12 September 2025 and is based on user searches.

Thu 18/920:30SAT - LHR

1 stop27h 55mBritish Airways

Mon 22/915:10LHR - SAT

1 stop12h 37mBritish Airways

Deal found 11/9£469

Thu 18/906:30SAT - LHR

1 stop17h 50mUnited Airlines

Mon 22/909:30LHR - SAT

2 stops32h 31mUnited Airlines

Deal found 11/9£560

Thu 18/919:15SAT - LHR

1 stop34h 20mUnited Airlines

Tue 23/914:05LHR - SAT

2 stops27h 56mUnited Airlines

Deal found 12/9£707

Fri 19/907:10SAT - LHR

1 stop18h 30mUnited Airlines

Tue 23/910:15LHR - SAT

2 stops36h 36mUnited Airlines

Deal found 12/9£412

Fri 19/912:44SAT - LHR

2 stops16h 11mBritish Airways

Tue 23/919:25LHR - SAT

2 stops28h 24mBritish Airways

Deal found 12/9£592

Fri 19/912:00SAT - LHR

2 stops15h 35mMultiple Airlines

Tue 23/912:05LHR - SAT

2 stops16h 53mMultiple Airlines

Deal found 12/9£616

Sun 21/906:48SAT - LHR

2 stops17h 42mAir Canada

Tue 7/1009:30LHR - SAT

2 stops19h 05mAir Canada

Deal found 11/9£451

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 12 September 2025.

Mon 27/1017:45SAT - LHR

3 stops46h 50mMultiple Airlines

Deal found 12/9£204

Fri 10/1019:10SAT - LHR

3 stops40h 35mMultiple Airlines

Deal found 11/9£237

Sat 8/1115:04SAT - LHR

2 stops21h 26mScandinavian Airlines

Deal found 12/9£254

Wed 24/911:11SAT - LHR

1 stop14h 29mBritish Airways

Deal found 12/9£321

Mon 27/1016:37SAT - LHR

1 stop14h 38mBritish Airways

Deal found 12/9£322

Thu 16/1011:45SAT - LHR

2 stops16h 55mUnited Airlines

Deal found 12/9£327

Wed 24/918:49SAT - LHR

1 stop13h 36mIberia

Deal found 11/9£335

Tue 10/305:30SAT - LHR

2 stops20h 40mAir Canada

Deal found 11/9£336

Wed 24/919:15SAT - LHR

2 stops29h 20mAir Canada

Deal found 11/9£336

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

Tue 9/12

13:34-09:40

1 stop14h 06m

London Heathrow

Wed 17/12

13:25-22:54

2 stops39h 29m

£375

San AntonioLondon

SAT - LHR

SATLHR

San Antonio

Sun 26/10

08:00-09:00

1 stop20h 00m

London Heathrow

Wed 5/11

11:30-00:20

2 stops18h 50m

£386

San AntonioLondon

SAT - LHR

SATLHR

San Antonio

Wed 19/11

11:50-08:05

2 stops14h 15m

London Heathrow

Wed 3/12

11:30-00:33

2 stops19h 03m

£389

San AntonioLondon

SAT - LHR

SATLHR

San Antonio

Wed 8/10

05:30-07:40

1 stop20h 10m

London Heathrow

Wed 15/10

09:30-22:35

2 stops19h 05m

£392

San AntonioLondon

SAT - LHR

SATLHR

San Antonio

Thu 30/10

07:05-05:55

1 stop17h 50m

London Heathrow

Thu 13/11

13:25-23:16

2 stops39h 51m

£412

San AntonioLondon

SAT - LHR

SATLHR

San Antonio

Sun 26/10

14:26-07:20

1 stop11h 54m

London Heathrow

Sun 2/11

08:20-15:37

1 stop13h 17m

£429

San AntonioLondon

SAT - LHR

SATLHR

San Antonio

Fri 10/10

12:50-07:15

1 stop12h 25m

London Heathrow

Thu 16/10

09:30-08:38

2 stops29h 08m

£429

San AntonioLondon

SAT - LHR

SATLHR

San Antonio

Mon 27/10

16:30-09:40

1 stop12h 10m

London Heathrow

Mon 3/11

12:05-21:20

1 stop15h 15m

£429

San AntonioLondon

SAT - LHR

SATLHR

San Antonio

Fri 7/11

07:40-07:30

1 stop17h 50m

London Heathrow

Tue 11/11

13:35-23:16

1 stop15h 41m

£429

San AntonioLondon

SAT - LHR

SATLHR

San Antonio

Mon 27/10

17:45-21:35

3 stops46h 50m

£204

Flights are sorted by cheapest return flights first.

Deals found on 12/9

Showing 1-10 of 17 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 37 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, January is the cheapest month in which you can book a flight from San Antonio to London Heathrow Airport (average of £112). Flying from San Antonio to London Heathrow Airport in August is currently the most expensive (average of £164). 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 morning.

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 14h 06m. United Airlines provides one of the quickest options available for as low as £375. The distance from San Antonio to London Heathrow Airport is about 4967 mi. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.
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, January is the cheapest month in which you can book a flight from San Antonio to London Heathrow Airport (average of £112). Flying from San Antonio to London Heathrow Airport in August is currently the most expensive (average of £164). 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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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?

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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 £204

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 27/10. 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 37 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 12 September 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 12 September 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?

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?

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

See prices for flight routes from nearby airports that may be better suited for you.

Fly with Cheapflights

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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 12 September 2025.