How long is the flight from San Antonio to London?

There are many flights that can get you from San Antonio to London in 13h 11m. Fly via Virgin Atlantic, Delta, or Lufthansa to get the fastest option. The distance from San Antonio to London is about 4967 mi. Both multi-stop and nonstop flights can be found to your destination and back.

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

According to our current data, Delta ($530), American Airlines ($530), and United Airlines ($531) offers the cheapest pricing from San Antonio to London. These flights start at 43% lower than the current average price 3 months from now.

In terms of precipitation, rainfall in London 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 when rainfall is around 1.6 in.

If weather is an important factor for your trip to London, 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 routes from San Antonio to London?

When deciding which route to take from San Antonio to London consider San Antonio - London Heathrow, San Antonio - London Gatwick or San Antonio - London City as they are the most popular.

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

When booking a flight from San Antonio to London, 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 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 flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from San Antonio-London flight searches over the past month and is updated monthly.

Most trusted provider : When it comes to deals on San Antonio-London 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 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?

Most people fly from San Antonio (SAT) if they book a flight from San Antonio to London. On average, San Antonio has 0 outbound flights to London per day from 6 airlines. San Antonio is conveniently located just 7.6 mi from San Antonio’s city center.

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

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

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

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

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

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

$234+ Flights from San Antonio to London

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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

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

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Cheapflights Tip: The best prices from San Antonio to London are usually found in September or August, booked 34 days in advance, depart on a Wednesday or Tuesday and return on a Wednesday

Cheap flight deals from San Antonio to London

Cheapest flights from San Antonio to London
Explore the most affordable flight options available from San Antonio to London. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 23, 2025.

Tue 12/237:30 pmSAT - LHR

1 stop30h 00mUnited Airlines

Mon 1/194:40 pmLHR - SAT

2 stops34h 16mUnited Airlines

Deal found 12/23

$842

Sat 12/272:13 pmSAT - LHR

1 stop14h 02mLufthansa

Thu 1/810:25 amLHR - SAT

1 stop18h 48mLufthansa

Deal found 12/21

$900

Wed 12/244:05 pmSAT - LHR

1 stop12h 10mUnited Airlines

Tue 12/3010:00 amLHR - SAT

1 stop17h 26mUnited Airlines

Deal found 12/22

$901

Tue 12/234:05 pmSAT - LHR

1 stop33h 25mUnited Airlines

Tue 12/3010:00 amLHR - SAT

1 stop17h 26mUnited Airlines

Deal found 12/22

$906

Tue 12/234:05 pmSAT - LHR

1 stop33h 25mLufthansa

Mon 1/1910:25 amLHR - SAT

1 stop14h 44mLufthansa

Deal found 12/23

$907

Wed 12/242:13 pmSAT - LHR

2 stops16h 47mLufthansa

Tue 12/3010:00 amLHR - SAT

1 stop17h 26mLufthansa

Deal found 12/22

$908

Wed 12/242:13 pmSAT - LHR

2 stops16h 47mMultiple Airlines

Tue 12/301:25 pmLHR - SAT

2 stops29h 47mMultiple Airlines

Deal found 12/22

$919

Tue 12/232:13 pmSAT - LHR

2 stops35h 42mLufthansa

Tue 12/3010:00 amLHR - SAT

1 stop17h 26mLufthansa

Deal found 12/22

$923

Fri 12/2612:25 pmSAT - LHR

1 stop16h 25mLufthansa

Sun 12/2812:05 pmLHR - SAT

1 stop15h 21mLufthansa

Deal found 12/22

$956

Thu 12/259:51 amSAT - LHR

1 stop15h 39mUnited Airlines

Tue 12/3010:00 amLHR - SAT

1 stop13h 49mUnited Airlines

Deal found 12/22

$961

Sat 12/2711:28 amSAT - LHR

2 stops14h 27mUnited Airlines

Thu 1/89:10 amLHR - SAT

2 stops16h 31mUnited Airlines

Deal found 12/22

$964

Sat 12/278:19 pmSAT - LCY

2 stops36h 16mBritish Airways

Thu 1/82:45 pmLCY - SAT

2 stops39h 13mBritish Airways

Deal found 12/21

$1,029

Best flights from San Antonio to London
Discover carefully curated flight deals from San Antonio to London that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 23, 2025.

Wed 2/44:29 pmSAT - LHR

1 stop13h 11mVirgin Atlantic

Wed 2/116:30 amLHR - SAT

2 stops16h 52mVirgin Atlantic

Deal found 12/23

$629

Sun 1/1812:55 pmSAT - LHR

1 stop14h 25mDelta

Sun 1/258:40 amLHR - SAT

2 stops18h 54mDelta

Deal found 12/21

$629

Mon 1/1210:35 amSAT - LGW

3 stops28h 00mMultiple Airlines

Fri 1/232:00 pmLGW - SAT

1 stop15h 52mMultiple Airlines

Deal found 12/22

$642

Wed 3/185:50 pmSAT - LCY

2 stops18h 50mLufthansa

Wed 3/259:50 amLCY - SAT

2 stops18h 07mLufthansa

Deal found 12/21

$711

Wed 2/43:07 pmSAT - LCY

2 stops16h 58mIberia

Wed 2/117:15 pmLCY - SAT

2 stops19h 06mIberia

Deal found 12/21

$737

Thu 1/157:00 amSAT - LGW

2 stops18h 30mAmerican Airlines

Thu 1/2211:20 amLGW - SAT

2 stops18h 38mAmerican Airlines

Deal found 12/22

$831

Mon 1/128:10 amSAT - LCY

2 stops18h 40mBritish Airways

Wed 1/217:50 amLCY - SAT

2 stops17h 33mBritish Airways

Deal found 12/22

$933

Thu 2/512:55 pmSAT - LHR

1 stop12h 00mVirgin Atlantic

Thu 2/126:30 amLHR - SAT

2 stops16h 52mVirgin Atlantic

Deal found 12/21

$629

Wed 1/216:30 amSAT - LHR

1 stop17h 55mDelta

Wed 1/2810:00 amLHR - SAT

2 stops18h 55mDelta

Deal found 12/22

$629

Wed 3/1811:53 amSAT - STN

2 stops23h 27mTurkish Airlines

Wed 3/2510:50 amSTN - SAT

2 stops41h 25mTurkish Airlines

Deal found 12/22

$1,278

Wed 1/146:30 amSAT - LGW

3 stops22h 25mMultiple Airlines

Fri 1/232:00 pmLGW - SAT

1 stop15h 52mMultiple Airlines

Deal found 12/22

$655

Wed 2/116:30 amSAT - LHR

1 stop18h 35mDelta

Wed 2/1811:45 amLHR - SAT

2 stops18h 50mDelta

Deal found 12/21

$629

Wed 1/2112:55 pmSAT - LHR

1 stop13h 10mVirgin Atlantic

Wed 1/286:30 amLHR - SAT

2 stops16h 52mVirgin Atlantic

Deal found 12/22

$629

Wed 2/114:04 pmSAT - LCY

2 stops19h 36mLufthansa

Wed 2/189:50 amLCY - SAT

2 stops17h 25mLufthansa

Deal found 12/21

$711

Wed 1/213:07 pmSAT - LCY

2 stops16h 58mIberia

Wed 1/287:15 pmLCY - SAT

2 stops19h 05mIberia

Deal found 12/22

$737

Thu 2/510:45 amSAT - LHR

2 stops16h 00mDelta

Mon 2/98:40 amLHR - SAT

2 stops17h 45mDelta

Deal found 12/22

$634

Wed 4/224:17 pmSAT - LCY

2 stops19h 38mLufthansa

Tue 5/59:15 amLCY - SAT

2 stops19h 38mLufthansa

Deal found 12/21

$726

Wed 4/226:00 amSAT - LGW

1 stop22h 00mMultiple Airlines

Tue 5/52:00 pmLGW - SAT

1 stop14h 29mMultiple Airlines

Deal found 12/21

$735

Wed 4/11:37 pmSAT - LHR

1 stop11h 08mDelta

Wed 4/86:30 amLHR - SAT

2 stops20h 03mDelta

Deal found 12/21

$645

Wed 4/226:00 amSAT - LGW

1 stop22h 00mMultiple Airlines

Sat 5/22:00 pmLGW - SAT

1 stop14h 29mMultiple Airlines

Deal found 12/22

$747

Wed 4/14:17 pmSAT - LCY

2 stops19h 38mLufthansa

Wed 4/89:15 amLCY - SAT

2 stops17h 48mLufthansa

Deal found 12/22

$860

Sun 5/36:00 amSAT - LGW

1 stop22h 00mMultiple Airlines

Sat 5/162:00 pmLGW - SAT

1 stop14h 29mMultiple Airlines

Deal found 12/20

$782

Mon 1/126:30 amSAT - LCY

3 stops28h 35mMultiple Airlines

Tue 1/209:50 amLCY - SAT

3 stops20h 02mMultiple Airlines

Deal found 12/22

$821

Tue 1/136:30 amSAT - LCY

3 stops28h 35mMultiple Airlines

Wed 1/219:50 amLCY - SAT

3 stops20h 02mMultiple Airlines

Deal found 12/22

$825

Mon 1/126:30 amSAT - STN

3 stops33h 35mMultiple Airlines

Wed 1/215:55 amSTN - SAT

3 stops34h 00mMultiple Airlines

Deal found 12/22

$850

Wed 2/46:30 amSAT - LGW

3 stops29h 20mMultiple Airlines

Wed 2/116:40 pmLGW - SAT

3 stops35h 19mMultiple Airlines

Deal found 12/21

$873

Wed 5/206:02 pmSAT - STN

2 stops22h 08mTurkish Airlines

Sun 5/245:45 pmSTN - SAT

2 stops27h 48mTurkish Airlines

Deal found 12/22

$1,747

Tue 1/136:30 amSAT - STN

3 stops33h 55mMultiple Airlines

Wed 1/215:55 amSTN - SAT

3 stops34h 00mMultiple Airlines

Deal found 12/22

$906

Mon 6/112:24 pmSAT - STN

2 stops27h 46mTurkish Airlines

Sun 6/75:45 pmSTN - SAT

2 stops27h 48mTurkish Airlines

Deal found 12/20

$2,102

Wed 3/1811:53 amSAT - STN

2 stops29h 22mMultiple Airlines

Wed 3/256:40 amSTN - SAT

2 stops21h 17mMultiple Airlines

Deal found 12/21

$1,278

Last-minute flights from San Antonio to London
Discover last-minute flight deals from San Antonio to London. Data last updated December 23, 2025 and is based on user searches.

Mon 1/126:30 amSAT - LGW

1 stop21h 30mMultiple Airlines

Fri 1/232:00 pmLGW - SAT

1 stop15h 52mMultiple Airlines

Deal found 12/22

$635

Mon 1/126:30 amSAT - LHR

3 stops20h 45mMultiple Airlines

Tue 1/208:50 amLHR - SAT

3 stops21h 02mMultiple Airlines

Deal found 12/22

$733

Mon 1/1212:15 pmSAT - LHR

1 stop16h 35mLufthansa

Tue 1/2011:10 amLHR - SAT

2 stops18h 03mLufthansa

Deal found 12/22

$744

Wed 1/146:30 amSAT - LGW

3 stops22h 25mMultiple Airlines

Fri 1/232:00 pmLGW - SAT

1 stop15h 52mMultiple Airlines

Deal found 12/22

$655

Wed 1/146:30 amSAT - LGW

3 stops22h 25mMultiple Airlines

Thu 1/222:00 pmLGW - SAT

1 stop15h 52mMultiple Airlines

Deal found 12/22

$681

Wed 1/146:30 amSAT - LHR

3 stops20h 45mMultiple Airlines

Fri 1/238:50 amLHR - SAT

3 stops21h 02mMultiple Airlines

Deal found 12/22

$721

Wed 1/216:30 amSAT - LHR

1 stop17h 55mDelta

Wed 1/2810:00 amLHR - SAT

2 stops18h 55mDelta

Deal found 12/22

$629

Wed 1/2110:45 amSAT - LHR

2 stops15h 20mVirgin Atlantic

Fri 1/306:30 amLHR - SAT

2 stops16h 52mVirgin Atlantic

Deal found 12/22

$634

Wed 1/211:40 pmSAT - LHR

1 stop12h 10mKLM

Fri 1/3012:30 pmLHR - SAT

1 stop13h 55mKLM

Deal found 12/22

$657

Wed 1/216:30 amSAT - LGW

3 stops22h 25mMultiple Airlines

Fri 1/302:00 pmLGW - SAT

1 stop15h 52mMultiple Airlines

Deal found 12/22

$710

Wed 1/213:07 pmSAT - LCY

2 stops16h 58mIberia

Wed 1/287:15 pmLCY - SAT

2 stops19h 05mIberia

Deal found 12/22

$737

Fri 1/2311:43 amSAT - LHR

2 stops14h 42mUnited Airlines

Tue 1/276:35 amLHR - SAT

2 stops20h 09mUnited Airlines

Deal found 12/21

$747

One-way flights from San Antonio to London
Search for one-way flight options from San Antonio to London. Find affordable one-way fares based on user searches. Data last updated December 23, 2025.

Sat 5/96:06 pmSAT - LHR

1 stop30h 49mBritish Airways

Deal found 12/21

$234

Sat 5/912:15 pmSAT - LHR

2 stops16h 00mDelta

Deal found 12/21

$272

Sun 3/18:24 pmSAT - LGW

1 stop31h 36mMultiple Airlines

Deal found 12/21

$277

Sun 3/18:24 pmSAT - STN

3 stops52h 51mMultiple Airlines

Deal found 12/21

$285

Sun 3/18:24 pmSAT - SEN

3 stops41h 21mMultiple Airlines

Deal found 12/21

$290

Sun 3/18:24 pmSAT - LHR

3 stops54h 46mMultiple Airlines

Deal found 12/21

$298

Fri 5/152:39 pmSAT - LHR

1 stop11h 26mMultiple Airlines

Deal found 12/22

$333

Fri 5/156:20 pmSAT - LHR

2 stops14h 15mDelta

Deal found 12/22

$340

Sat 5/910:26 amSAT - LHR

3 stops44h 59mMultiple Airlines

Deal found 12/21

$385

Sun 3/18:24 pmSAT - LCY

3 stops34h 31mMultiple Airlines

Deal found 12/21

$394

Mon 6/151:15 pmSAT - LHR

1 stop11h 35mAmerican Airlines

Deal found 12/21

$438

Sun 3/12:10 pmSAT - LHR

1 stop14h 05mLufthansa

Deal found 12/21

$450

Find flight deals from San Antonio to London

Most accurate provider	eDreams 3 stars
Most trusted provider	eDreams 3 stars
Round-trip from	$629 (Delta)
One-way from	$234 (oojo)
Popular in	January
Cheapest in	September
Average price	$1,064

Provider with most accurate pricing for San Antonio-London (LON) flight deals.

Search Deals

Provider most trusted by Cheapflights users for San Antonio-London (LON) flights.

Search Deals

From San Antonio to London (LON)

Search Deals

One-way flight from San Antonio to London (LON)

Search Deals

Highest demand for flights based on searches. 19% potential increase in price ($231 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 8% potential price decrease ($70 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in December 2025

Search Deals

Cheapflights Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

San AntonioLondon

SAT - LHR

SATLHR

San Antonio

Wed 2/4

4:29 pm-11:40 am

1 stop13h 11m

London Heathrow

Wed 2/11

6:30 am-5:22 pm

2 stops16h 52m

$629

San AntonioLondon

SAT - LHR

SATLHR

San Antonio

Sun 1/18

12:55 pm-9:20 am

1 stop14h 25m

London Heathrow

Sun 1/25

8:40 am-9:34 pm

2 stops18h 54m

$629

San AntonioLondon

SAT - LHR

SATLHR

San Antonio

Thu 2/5

12:55 pm-6:55 am

1 stop12h 00m

London Heathrow

Thu 2/12

6:30 am-5:22 pm

2 stops16h 52m

$629

San AntonioLondon

SAT - LHR

SATLHR

San Antonio

Wed 1/21

6:30 am-6:25 am

1 stop17h 55m

London Heathrow

Wed 1/28

10:00 am-10:55 pm

2 stops18h 55m

$629

San AntonioLondon

SAT - LHR

SATLHR

San Antonio

Wed 2/11

6:30 am-7:05 am

1 stop18h 35m

London Heathrow

Wed 2/18

11:45 am-12:35 am

2 stops18h 50m

$629

San AntonioLondon

SAT - LHR

SATLHR

San Antonio

Wed 1/21

12:55 pm-8:05 am

1 stop13h 10m

London Heathrow

Wed 1/28

6:30 am-5:22 pm

2 stops16h 52m

$629

San AntonioLondon

SAT - LHR

SATLHR

San Antonio

Thu 2/5

10:45 am-8:45 am

2 stops16h 00m

London Heathrow

Mon 2/9

8:40 am-8:25 pm

2 stops17h 45m

$634

San AntonioLondon

SAT - LGW

SATLGW

San Antonio

Mon 1/12

10:35 am-8:35 pm

3 stops28h 00m

London Gatwick

Fri 1/23

2:00 pm-11:52 pm

1 stop15h 52m

$642

San AntonioLondon

SAT - LHR

SATLHR

San Antonio

Wed 4/1

1:37 pm-6:45 am

1 stop11h 08m

London Heathrow

Wed 4/8

6:30 am-8:33 pm

2 stops20h 03m

$645

San AntonioLondon

SAT - LGW

SATLGW

San Antonio

Wed 1/14

6:30 am-10:55 am

3 stops22h 25m

London Gatwick

Fri 1/23

2:00 pm-11:52 pm

1 stop15h 52m

$655

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/21

Showing 1-10 of 60 results

...

Compare providers for flights from San Antonio to London

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from San Antonio to London in December.

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
AranGrant	Price Accuracy2 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 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 flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from San Antonio-London flight searches over the past month and is updated monthly.
Most trusted provider: When it comes to deals on San Antonio-London 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 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 London

Have a flexible travel schedule? Discover the best time to fly to London 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

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

Booking 34 days in advance of your planned departure date is, on average, the best time to get cheap flights from San Antonio to London. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

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

Currently, August is the cheapest month in which you can book a flight from San Antonio to London (average of $131). Flying from San Antonio to London in June is currently the most expensive (average of $835). 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 LON?

A simple way to save on the total cost of your ticket is to fly from San Antonio to London in the evening. If you’re flexible enough to do this you can expect to save up to 18% on your trip compared to booking a flight at noon.

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

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

What’s the top layover airport for flights from San Antonio to London?

Dallas (DFW) – chosen by Cheapflights users on 75% of 1-stop itineraries from San Antonio to London on Cheapflights.

What’s the cheapest layover airport for flights from San Antonio to London?

Atlanta (ATL) is the most affordable 1-stop option, with an average round-trip price of $599.

What’s the fastest layover option from San Antonio to London?

Flights via Dallas (DFW) have the shortest average one-way travel time for 1-stop routes: 11h 16m.

Which airport typically offers the quickest layover for flights from San Antonio to London?

Flights via Dallas (DFW) offer the fastest connection on this route, with an average layover time of 1h 15m.

Reviews of airlines servicing London

See what other customers who have flown with Delta, United Airlines, and American Airlines from San Antonio to London have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

Delta

7.9

Good

8,015 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

8,015 reviews

Delta

7.9

Good

8,015 reviews

Reviews

1 / 20

6.0

Good

Jim,Nov 2025

AVL - ATL

United Airlines

7.4

Good

9,107 reviews

Delta

7.9

Good

8,015 reviews

Reviews

1 / 20

6.0

Good

Jim,Nov 2025

AVL - ATL

American Airlines

7.2

Good

11,051 reviews

Delta

7.9

Good

8,015 reviews

Reviews

1 / 20

6.0

Good

Jim,Nov 2025

AVL - ATL

Iberia

7.0

Good

3,056 reviews

Delta

7.9

Good

8,015 reviews

Reviews

1 / 20

6.0

Good

Jim,Nov 2025

AVL - ATL

British Airways

6.7

Okay

7,607 reviews

Delta

7.9

Good

8,015 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?
Most people fly from San Antonio (SAT) if they book a flight from San Antonio to London. On average, San Antonio has 0 outbound flights to London per day from 6 airlines. San Antonio is conveniently located just 7.6 mi from San Antonio’s city center.
How long is the flight from San Antonio to London?
There are many flights that can get you from San Antonio to London in 13h 11m. Fly via Virgin Atlantic, Delta, or Lufthansa to get the fastest option. The distance from San Antonio to London is about 4967 mi. Both multi-stop and nonstop flights can be found to your destination and back.
What are the cheapest airlines flying from San Antonio to London round-trip?
According to our current data, Delta ($530), American Airlines ($530), and United Airlines ($531) offers the cheapest pricing from San Antonio to London. These flights start at 43% lower than the current average price 3 months from now.
What are the most popular routes from San Antonio to London?
When deciding which route to take from San Antonio to London consider San Antonio - London Heathrow, San Antonio - London Gatwick or San Antonio - London City as they are the most popular.
Can I find deals for flights from San Antonio to London that include hotel bookings?
Yes. In addition to deals on San Antonio to London flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from San Antonio to London?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from San Antonio to London.
Can I find deals for business class flights from San Antonio to London?
Yes. Cheapflights offers flight deals from San Antonio to London 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?
Currently, August is the cheapest month in which you can book a flight from San Antonio to London (average of $131). Flying from San Antonio to London in June is currently the most expensive (average of $835). 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.

See more FAQs

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Southend-on-Sea

Harrow

Eastleigh

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Winchester

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Eastbourne

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Top 6 airlines flying from San Antonio to London

Airline	Cheapest	Average	Flexibility	On-time
Delta	Cheapest$530	Average$703	FlexibilityNo cancel fee	On-timeN/A
American Airlines	Cheapest$530	Average$920	FlexibilityNo cancel fee	On-time71%
United Airlines	Cheapest$531	Average$927	FlexibilityNo cancel fee	On-time69%
British Airways	Cheapest$566	Average$874	FlexibilityNo cancel fee	On-time70%
Virgin Atlantic	Cheapest$600	Average$780	FlexibilityNo cancel fee	On-time72%
Iberia	Cheapest$668	Average$956	FlexibilityNo cancel fee	On-time77%

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$234+ Cheap flights from San Antonio (SAT) to London (LON)

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 5/9. Fares are subject to change and may not be available on all flights or dates of travel.

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Cheapflights Tip: The best prices from San Antonio to London are usually found in September or August, booked 34 days in advance, depart on a Wednesday or Tuesday and return on a Wednesday

Cheap flight deals from San Antonio to London

Cheapest flights from San Antonio to LondonExplore the most affordable flight options available from San Antonio to London. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 23, 2025.

Explore the most affordable flight options available from San Antonio to London. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 23, 2025.

Find flight deals from San Antonio to London

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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 London in December.

Best time to book a flight from San Antonio to London

Have a flexible travel schedule? Discover the best time to fly to London from San Antonio with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from San Antonio to London

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

Use this chart to determine the optimal time to book a round-trip flight from San Antonio to London. Price data was last updated on December 19, 2025.

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

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

Find hourly flight availability from San Antonio to London. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 23, 2025.

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

Use this chart to determine the cheapest time to fly round-trip from San Antonio to London. Price data was last updated on December 16, 2024.

What’s the top layover airport for flights from San Antonio to London?

Share of 1-stop round-trip flights from San Antonio to London chosen by Cheapflights users in the past 12 months, using the same layover each way.

What’s the cheapest layover airport for flights from San Antonio to London?

Average round-trip fare for 1-stop flights from San Antonio to London, chosen by Cheapflights users in the past 12 months, with the same layover each way.

What’s the fastest layover option from San Antonio to London?

Shortest average travel time for 1-stop one-way flights from San Antonio to London, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by layover airport.

Which airport typically offers the quickest layover for flights from San Antonio to London?

Average layover duration for 1-stop one-way flights from San Antonio to London, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.

Reviews of airlines servicing London

See what other customers who have flown with Delta, United Airlines, and American Airlines from San Antonio to London have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Find useful and relevant information for your journey from San Antonio to London. 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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What are the cheapest airlines flying from San Antonio to London round-trip?

What are the most popular routes from San Antonio to London?

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

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

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

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

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Alternative routes for San Antonio to London

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Top 6 airlines flying from San Antonio to London

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Cheapest flights from San Antonio to London
Explore the most affordable flight options available from San Antonio to London. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 23, 2025.