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 £390.

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.

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.

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 13h 13m. United Airlines provides one of the quickest options available for as low as £391. 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 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.

£258+ 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 £512 and £703 in October. The cheapest return flight price found within the last 3 days was £375 on Air Canada (5 Oct-21 Oct).

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	£375
One-way from	£258
Popular in	June
Cheapest in	October
Average price	£584

Air Canada
7/10-21/10
4 total stops
52h 18m total
San Antonio to London

Search Deals

Scandinavian Airlines
16/2
2 total stops
21h 30m total
San Antonio to London

Search Deals

Highest demand for flights based on searches. 16% potential increase in price (£101 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 4% potential price decrease (£20 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 16 September 2025.

Sun 5/1006:45SAT - LHR

2 stops17h 45mAir Canada

Tue 21/1014:05LHR - SAT

2 stops31h 28mAir Canada

Deal found 15/9£375

Wed 19/1111:40SAT - LHR

2 stops17h 10mUnited Airlines

Wed 3/1213:25LHR - SAT

2 stops31h 43mUnited Airlines

Deal found 15/9£378

Sat 11/1019:38SAT - LHR

2 stops28h 52mAir Canada

Tue 21/1014:05LHR - SAT

2 stops27h 53mAir Canada

Deal found 16/9£379

Sun 5/1006:45SAT - LHR

2 stops17h 45mAir Canada

Fri 24/1016:00LHR - SAT

2 stops29h 25mAir Canada

Deal found 15/9£380

Tue 4/1115:00SAT - LHR

1 stop11h 35mIberia

Thu 20/1114:10LHR - SAT

1 stop13h 39mIberia

Deal found 15/9£382

Sat 11/1019:38SAT - LHR

2 stops28h 52mAir Canada

Fri 24/1016:00LHR - SAT

2 stops29h 25mAir Canada

Deal found 15/9£383

Wed 1/1011:35SAT - LHR

1 stop18h 30mDelta

Wed 8/1009:00LHR - SAT

2 stops19h 42mDelta

Deal found 15/9£386

Tue 7/1012:02SAT - LHR

1 stop13h 13mDelta

Tue 21/1011:30LHR - SAT

2 stops17h 12mDelta

Deal found 16/9£386

Tue 4/1114:14SAT - LHR

2 stops14h 51mUnited Airlines

Thu 20/1112:00LHR - SAT

2 stops16h 56mUnited Airlines

Deal found 15/9£387

Wed 1/1011:11SAT - LHR

1 stop14h 29mBritish Airways

Wed 8/1008:20LHR - SAT

1 stop13h 27mBritish Airways

Deal found 15/9£388

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 16 September 2025.

Mon 12/111:43SAT - LHR

2 stops16h 42mUnited Airlines

Tue 20/106:50LHR - SAT

2 stops20h 06mUnited Airlines

Deal found 15/9£387

Wed 19/1112:10SAT - LHR

1 stop15h 10mDelta

Wed 3/1210:45LHR - SAT

1 stop19h 48mDelta

Deal found 16/9£391

Tue 7/1014:25SAT - LHR

1 stop11h 15mUnited Airlines

Wed 22/1009:30LHR - SAT

2 stops19h 05mUnited Airlines

Deal found 16/9£391

Wed 8/1012:02SAT - LHR

1 stop13h 13mDelta

Tue 21/1011:45LHR - SAT

1 stop16h 57mDelta

Deal found 16/9£391

Mon 6/1017:09SAT - LHR

1 stop12h 36mUnited Airlines

Wed 22/1009:30LHR - SAT

2 stops19h 05mUnited Airlines

Deal found 16/9£391

Sun 5/1010:37SAT - LHR

1 stop14h 08mDelta

Fri 24/1011:45LHR - SAT

1 stop16h 57mDelta

Deal found 16/9£391

Sun 5/1016:21SAT - LHR

1 stop13h 14mUnited Airlines

Tue 21/1009:30LHR - SAT

2 stops19h 05mUnited Airlines

Deal found 16/9£391

Mon 3/1111:35SAT - LHR

1 stop15h 10mDelta

Thu 13/1115:50LHR - SAT

1 stop14h 43mDelta

Deal found 14/9£391

Mon 3/1116:24SAT - LHR

1 stop11h 51mUnited Airlines

Tue 11/1112:05LHR - SAT

1 stop13h 32mUnited Airlines

Deal found 14/9£391

Sat 11/1017:15SAT - LHR

1 stop32h 00mDelta

Thu 23/1015:15LHR - SAT

1 stop13h 52mDelta

Deal found 16/9£395

Thu 6/1109:45SAT - LHR

1 stop18h 30mUnited Airlines

Tue 11/1113:25LHR - SAT

2 stops39h 51mUnited Airlines

Deal found 14/9£411

Fri 26/911:35SAT - LHR

1 stop18h 30mDelta

Wed 8/1009:00LHR - SAT

2 stops19h 42mDelta

Deal found 16/9£422

Last-minute flights from San Antonio to Heathrow
Discover last-minute flight deals from San Antonio to Heathrow. Data last updated 16 September 2025 and is based on user searches.

Wed 1/1011:35SAT - LHR

1 stop18h 30mDelta

Wed 8/1009:00LHR - SAT

2 stops19h 42mDelta

Deal found 15/9£386

Wed 1/1011:11SAT - LHR

1 stop14h 29mBritish Airways

Wed 8/1008:20LHR - SAT

1 stop13h 27mBritish Airways

Deal found 15/9£388

Sun 5/1006:45SAT - LHR

2 stops17h 45mAir Canada

Tue 21/1014:05LHR - SAT

2 stops31h 28mAir Canada

Deal found 15/9£375

Sun 5/1006:45SAT - LHR

2 stops17h 45mAir Canada

Fri 24/1016:00LHR - SAT

2 stops29h 25mAir Canada

Deal found 15/9£380

Sun 5/1014:25SAT - LHR

1 stop11h 15mUnited Airlines

Fri 24/1013:40LHR - SAT

1 stop14h 55mUnited Airlines

Deal found 15/9£391

Tue 7/1012:02SAT - LHR

1 stop13h 13mDelta

Tue 21/1011:30LHR - SAT

2 stops17h 12mDelta

Deal found 16/9£386

Sat 11/1019:38SAT - LHR

2 stops28h 52mAir Canada

Tue 21/1014:05LHR - SAT

2 stops31h 28mAir Canada

Deal found 15/9£378

Sat 11/1019:38SAT - LHR

2 stops28h 52mAir Canada

Fri 24/1016:00LHR - SAT

2 stops29h 25mAir Canada

Deal found 15/9£383

Thu 30/1018:00SAT - LHR

1 stop11h 15mLufthansa

Thu 6/1110:00LHR - SAT

1 stop15h 37mLufthansa

Deal found 15/9£392

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 16 September 2025.

Sat 14/214:10SAT - LHR

2 stops21h 30mScandinavian Airlines

Deal found 14/9£258

Sat 8/1115:04SAT - LHR

2 stops21h 26mScandinavian Airlines

Deal found 14/9£260

Wed 26/1106:00SAT - LHR

3 stops29h 30mMultiple Airlines

Deal found 15/9£267

Thu 12/314:10SAT - LHR

2 stops20h 50mScandinavian Airlines

Deal found 13/9£268

Sat 14/218:44SAT - LHR

3 stops36h 06mMultiple Airlines

Deal found 14/9£270

Sun 15/215:02SAT - LHR

3 stops39h 48mMultiple Airlines

Deal found 14/9£274

Sat 22/1106:30SAT - LHR

2 stops24h 20mMultiple Airlines

Deal found 14/9£299

Mon 16/218:44SAT - LHR

3 stops36h 06mMultiple Airlines

Deal found 14/9£311

Wed 26/1117:13SAT - LHR

1 stop32h 42mUnited Airlines

Deal found 15/9£314

Wed 24/916:49SAT - LHR

1 stop13h 41mBritish Airways

Deal found 15/9£320

Wed 10/1217:20SAT - LHR

2 stops31h 50mAir Canada

Deal found 15/9£323

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

Mon 12/1

11:43-10:25

2 stops16h 42m

London Heathrow

Tue 20/1

06:50-20:56

2 stops20h 06m

£387

San AntonioLondon

SAT - LHR

SATLHR

San Antonio

Wed 19/11

12:10-09:20

1 stop15h 10m

London Heathrow

Wed 3/12

10:45-00:33

1 stop19h 48m

£391

San AntonioLondon

SAT - LHR

SATLHR

San Antonio

Tue 7/10

14:25-07:40

1 stop11h 15m

London Heathrow

Wed 22/10

09:30-22:35

2 stops19h 05m

£391

San AntonioLondon

SAT - LHR

SATLHR

San Antonio

Wed 8/10

12:02-07:15

1 stop13h 13m

London Heathrow

Tue 21/10

11:45-22:42

1 stop16h 57m

£391

San AntonioLondon

SAT - LHR

SATLHR

San Antonio

Mon 6/10

17:09-11:45

1 stop12h 36m

London Heathrow

Wed 22/10

09:30-22:35

2 stops19h 05m

£391

San AntonioLondon

SAT - LHR

SATLHR

San Antonio

Sun 5/10

10:37-06:45

1 stop14h 08m

London Heathrow

Fri 24/10

11:45-22:42

1 stop16h 57m

£391

San AntonioLondon

SAT - LHR

SATLHR

San Antonio

Sun 5/10

16:21-11:35

1 stop13h 14m

London Heathrow

Tue 21/10

09:30-22:35

2 stops19h 05m

£391

San AntonioLondon

SAT - LHR

SATLHR

San Antonio

Mon 3/11

11:35-08:45

1 stop15h 10m

London Heathrow

Thu 13/11

15:50-00:33

1 stop14h 43m

£391

San AntonioLondon

SAT - LHR

SATLHR

San Antonio

Mon 3/11

16:24-10:15

1 stop11h 51m

London Heathrow

Tue 11/11

12:05-19:37

1 stop13h 32m

£391

San AntonioLondon

SAT - LHR

SATLHR

San Antonio

Sat 11/10

17:15-07:15

1 stop32h 00m

London Heathrow

Thu 23/10

15:15-23:07

1 stop13h 52m

£395

Flights are sorted by cheapest return flights first.

Deals found on 14/9

Showing 1-10 of 24 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, 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.

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 13h 13m. United Airlines provides one of the quickest options available for as low as £391. 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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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 £258

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 14/2. 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

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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 16 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 16 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?

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?

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 16 September 2025.