How long is the flight from San Antonio to London?

There are many flights that can get you from San Antonio to London in 11h 19m. Fly via Delta or Virgin Atlantic 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), United Airlines ($531), and British Airways ($568) offers the cheapest pricing from San Antonio to London. These flights start at 44% 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 FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on San Antonio-London flight deals on Cheapflights vs. FlightHub >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 FlightHub the most. FlightHub 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.

$249+ Flights from San Antonio to London

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

Airfare is below average for this route at the moment. San Antonio to London flights typically cost between $648 and $874 in December. The cheapest round-trip price found within the last 3 days was $521 on Multiple Airlines (Dec 12-Jan 17).

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Find cheap flights from San Antonio to London with Cheapflights

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

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

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

Cheap flight deals from San Antonio to London

Most accurate provider	FlightHub 3 stars
Most trusted provider	FlightHub 3 stars
Round-trip from	$521 (Kiwi.com)
One-way from	$289 (Mytrip)
Popular in	January
Cheapest in	August
Average price	$798

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. 21% potential increase in price ($256 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 7% potential price decrease ($68 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in October 2025

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Find 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 October 23, 2025.

Fri 12/1212:45 pmSAT - LGW

1 stop15h 15mMultiple Airlines

Sat 1/172:00 pmLGW - SAT

2 stops34h 59mMultiple Airlines

Deal found 10/21

$521

Sun 12/1412:45 pmSAT - LGW

1 stop15h 15mMultiple Airlines

Sat 1/172:00 pmLGW - SAT

2 stops34h 59mMultiple Airlines

Deal found 10/21

$558

Fri 12/1212:45 pmSAT - LGW

1 stop15h 15mMultiple Airlines

Fri 1/162:00 pmLGW - SAT

1 stop14h 27mMultiple Airlines

Deal found 10/21

$574

Mon 11/107:37 pmSAT - LGW

2 stops28h 23mMultiple Airlines

Thu 11/132:00 pmLGW - SAT

1 stop25h 04mMultiple Airlines

Deal found 10/21

$578

Fri 12/1212:45 pmSAT - LGW

1 stop15h 15mMultiple Airlines

Fri 1/92:00 pmLGW - SAT

1 stop14h 27mMultiple Airlines

Deal found 10/21

$590

Tue 11/43:04 pmSAT - LHR

1 stop11h 56mKLM

Thu 11/208:55 amLHR - SAT

1 stop14h 22mKLM

Deal found 10/22

$591

Tue 11/412:23 pmSAT - LHR

1 stop17h 17mDelta

Thu 11/2011:30 amLHR - SAT

2 stops17h 27mDelta

Deal found 10/23

$592

Fri 12/1212:45 pmSAT - LGW

1 stop15h 15mMultiple Airlines

Thu 1/222:00 pmLGW - SAT

2 stops25h 18mMultiple Airlines

Deal found 10/21

$593

Wed 11/1912:10 pmSAT - LHR

1 stop12h 10mDelta

Wed 12/39:00 amLHR - SAT

2 stops18h 03mDelta

Deal found 10/22

$593

Wed 11/1912:10 pmSAT - LHR

1 stop12h 10mDelta

Wed 11/268:40 amLHR - SAT

2 stops20h 17mDelta

Deal found 10/23

$594

Mon 11/177:37 pmSAT - LGW

2 stops28h 23mMultiple Airlines

Thu 11/202:00 pmLGW - SAT

1 stop35h 21mMultiple Airlines

Deal found 10/22

$595

Tue 10/2811:35 amSAT - LHR

2 stops15h 15mDelta

Tue 11/48:55 amLHR - SAT

2 stops19h 47mDelta

Deal found 10/23

$597

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 October 23, 2025.

Mon 2/96:00 amSAT - LGW

1 stop22h 00mMultiple Airlines

Fri 2/202:00 pmLGW - SAT

1 stop30h 07mMultiple Airlines

Deal found 10/22

$543

Wed 11/266:32 amSAT - LHR

1 stop18h 33mDelta

Thu 12/411:30 amLHR - SAT

2 stops17h 47mDelta

Deal found 10/23

$593

Wed 12/31:06 pmSAT - LHR

1 stop11h 19mVirgin Atlantic

Wed 12/1011:30 amLHR - SAT

2 stops17h 27mVirgin Atlantic

Deal found 10/22

$593

Mon 12/84:52 pmSAT - LHR

1 stop12h 48mKLM

Wed 12/1712:30 pmLHR - SAT

1 stop14h 33mKLM

Deal found 10/21

$601

Wed 2/113:07 pmSAT - LCY

2 stops16h 58mIberia

Wed 2/187:15 pmLCY - SAT

2 stops19h 12mIberia

Deal found 10/22

$755

Mon 2/96:00 amSAT - LGW

1 stop22h 00mMultiple Airlines

Thu 2/192:00 pmLGW - SAT

2 stops49h 18mMultiple Airlines

Deal found 10/22

$564

Wed 12/311:51 amSAT - LHR

2 stops16h 24mDelta

Wed 12/1011:30 amLHR - SAT

2 stops19h 04mDelta

Deal found 10/22

$597

Tue 2/104:25 pmSAT - LHR

1 stop13h 15mKLM

Tue 2/178:55 amLHR - SAT

1 stop14h 27mKLM

Deal found 10/21

$609

Sat 12/1312:45 pmSAT - LGW

1 stop15h 20mMultiple Airlines

Thu 1/222:00 pmLGW - SAT

2 stops25h 18mMultiple Airlines

Deal found 10/21

$593

Wed 11/1912:10 pmSAT - LHR

1 stop12h 10mDelta

Wed 12/312:30 pmLHR - SAT

1 stop18h 04mDelta

Deal found 10/23

$600

Thu 4/97:00 pmSAT - STN

2 stops33h 15mTurkish Airlines

Thu 5/75:45 pmSTN - SAT

2 stops27h 48mTurkish Airlines

Deal found 10/22

$1,356

Mon 11/177:37 pmSAT - LGW

2 stops28h 23mMultiple Airlines

Thu 11/202:00 pmLGW - SAT

1 stop35h 21mMultiple Airlines

Deal found 10/22

$595

Mon 2/92:10 pmSAT - LHR

1 stop15h 30mDelta

Wed 2/188:55 amLHR - SAT

2 stops20h 38mDelta

Deal found 10/21

$601

Wed 2/115:20 amSAT - LHR

1 stop21h 25mDelta

Tue 2/176:30 amLHR - SAT

2 stops19h 57mDelta

Deal found 10/21

$602

Mon 12/1512:45 pmSAT - LGW

1 stop15h 15mMultiple Airlines

Thu 1/82:00 pmLGW - SAT

1 stop14h 27mMultiple Airlines

Deal found 10/21

$605

Mon 2/94:10 pmSAT - LHR

1 stop18h 40mDelta

Tue 2/176:30 amLHR - SAT

2 stops19h 57mDelta

Deal found 10/21

$602

Sat 12/612:45 pmSAT - LGW

1 stop15h 20mMultiple Airlines

Sat 12/137:35 pmLGW - SAT

2 stops47h 25mMultiple Airlines

Deal found 10/22

$610

Tue 2/1012:30 pmSAT - LHR

1 stop13h 20mDelta

Wed 2/1812:30 pmLHR - SAT

1 stop13h 57mDelta

Deal found 10/21

$609

Sat 12/1312:45 pmSAT - LGW

1 stop15h 20mMultiple Airlines

Sat 1/102:00 pmLGW - SAT

1 stop14h 27mMultiple Airlines

Deal found 10/21

$611

Fri 12/1212:45 pmSAT - LGW

1 stop15h 15mMultiple Airlines

Sat 1/102:00 pmLGW - SAT

1 stop14h 27mMultiple Airlines

Deal found 10/21

$611

Thu 1/87:34 pmSAT - LGW

1 stop32h 26mMultiple Airlines

Sat 1/172:00 pmLGW - SAT

2 stops34h 59mMultiple Airlines

Deal found 10/23

$622

Wed 4/112:24 pmSAT - STN

2 stops22h 26mTurkish Airlines

Wed 4/85:45 pmSTN - SAT

2 stops34h 48mTurkish Airlines

Deal found 10/22

$1,356

Wed 2/1812:40 pmSAT - LCY

2 stops18h 10mMultiple Airlines

Mon 2/237:10 pmLCY - SAT

2 stops31h 43mMultiple Airlines

Deal found 10/22

$663

Tue 11/1812:40 pmSAT - LCY

2 stops18h 15mMultiple Airlines

Tue 11/259:50 amLCY - SAT

2 stops19h 06mMultiple Airlines

Deal found 10/21

$666

Wed 11/192:04 pmSAT - LCY

2 stops20h 36mMultiple Airlines

Wed 11/269:50 amLCY - SAT

2 stops17h 30mMultiple Airlines

Deal found 10/22

$676

Wed 12/34:14 pmSAT - LCY

2 stops18h 26mMultiple Airlines

Wed 12/109:50 amLCY - SAT

2 stops31h 21mMultiple Airlines

Deal found 10/21

$681

Wed 2/1112:15 pmSAT - LCY

2 stops18h 35mMultiple Airlines

Mon 2/166:15 pmLCY - SAT

2 stops32h 41mMultiple Airlines

Deal found 10/21

$693

Wed 3/412:17 pmSAT - LCY

2 stops18h 38mMultiple Airlines

Wed 3/119:50 amLCY - SAT

2 stops17h 43mMultiple Airlines

Deal found 10/23

$723

Fri 11/79:45 amSAT - LCY

3 stops19h 55mMultiple Airlines

Mon 11/106:15 pmLCY - SAT

2 stops32h 00mMultiple Airlines

Deal found 10/22

$735

Thu 2/122:10 pmSAT - LCY

2 stops16h 40mMultiple Airlines

Mon 2/166:15 pmLCY - SAT

2 stops32h 41mMultiple Airlines

Deal found 10/21

$743

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

Tue 10/2811:35 amSAT - LHR

2 stops15h 15mDelta

Tue 11/48:55 amLHR - SAT

2 stops19h 47mDelta

Deal found 10/23

$597

Tue 11/43:04 pmSAT - LHR

1 stop11h 56mKLM

Thu 11/208:55 amLHR - SAT

1 stop14h 22mKLM

Deal found 10/22

$591

Tue 11/412:23 pmSAT - LHR

1 stop17h 17mDelta

Thu 11/2011:30 amLHR - SAT

2 stops17h 27mDelta

Deal found 10/23

$592

Wed 11/52:14 pmSAT - LHR

1 stop14h 01mUnited Airlines

Wed 11/126:35 amLHR - SAT

2 stops19h 40mUnited Airlines

Deal found 10/23

$619

Mon 11/107:37 pmSAT - LGW

2 stops28h 23mMultiple Airlines

Thu 11/132:00 pmLGW - SAT

1 stop25h 04mMultiple Airlines

Deal found 10/21

$578

Mon 11/177:37 pmSAT - LGW

2 stops28h 23mMultiple Airlines

Thu 11/202:00 pmLGW - SAT

1 stop35h 21mMultiple Airlines

Deal found 10/22

$595

Tue 11/185:13 pmSAT - LHR

1 stop12h 02mUnited Airlines

Tue 11/251:25 pmLHR - SAT

2 stops32h 55mUnited Airlines

Deal found 10/21

$628

Tue 11/1812:40 pmSAT - LCY

2 stops18h 15mMultiple Airlines

Tue 11/259:50 amLCY - SAT

2 stops19h 06mMultiple Airlines

Deal found 10/21

$666

Wed 11/1912:10 pmSAT - LHR

1 stop12h 10mDelta

Wed 12/39:00 amLHR - SAT

2 stops18h 03mDelta

Deal found 10/22

$593

Wed 11/1912:10 pmSAT - LHR

1 stop12h 10mDelta

Wed 11/268:40 amLHR - SAT

2 stops20h 17mDelta

Deal found 10/23

$594

Wed 11/192:04 pmSAT - LCY

2 stops20h 36mMultiple Airlines

Wed 11/269:50 amLCY - SAT

2 stops17h 30mMultiple Airlines

Deal found 10/22

$676

Wed 11/265:13 pmSAT - LHR

2 stops16h 37mLufthansa

Thu 12/49:30 amLHR - SAT

2 stops17h 23mLufthansa

Deal found 10/22

$625

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 October 23, 2025.

Mon 11/107:37 pmSAT - LHR

3 stops33h 13mMultiple Airlines

Deal found 10/23

$289

Sun 2/84:16 pmSAT - STN

3 stops42h 39mMultiple Airlines

Deal found 10/20

$300

Tue 12/24:54 pmSAT - LHR

3 stops35h 56mMultiple Airlines

Deal found 10/23

$303

Wed 2/116:00 amSAT - LHR

3 stops30h 55mMultiple Airlines

Deal found 10/20

$304

Tue 2/106:00 amSAT - STN

3 stops32h 30mMultiple Airlines

Deal found 10/20

$306

Mon 11/102:46 pmSAT - LHR

2 stops19h 14mScandinavian Airlines

Deal found 10/23

$343

Wed 2/119:50 amSAT - LHR

2 stops15h 20mAir Canada

Deal found 10/20

$388

Sun 2/811:43 amSAT - LHR

2 stops16h 42mUnited Airlines

Deal found 10/20

$395

Mon 11/101:23 pmSAT - LHR

1 stop14h 17mLufthansa

Deal found 10/23

$397

Mon 2/96:00 amSAT - STN

3 stops19h 50mMultiple Airlines

Deal found 10/20

$407

Sat 11/84:24 pmSAT - LHR

1 stop33h 06mUnited Airlines

Deal found 10/22

$410

Sat 11/82:04 pmSAT - LHR

2 stops35h 06mAir Canada

Deal found 10/22

$413

Fly from

Fly to

Route

Depart

Return

Price

San AntonioLondon

SAT - LGW

SATLGW

San Antonio

Mon 2/9

6:00 am-10:00 am

1 stop22h 00m

London Gatwick

Fri 2/20

2:00 pm-2:07 pm

1 stop30h 07m

$543

San AntonioLondon

SAT - LGW

SATLGW

San Antonio

Mon 2/9

6:00 am-10:00 am

1 stop22h 00m

London Gatwick

Thu 2/19

2:00 pm-9:18 am

2 stops49h 18m

$564

San AntonioLondon

SAT - LHR

SATLHR

San Antonio

Wed 11/26

6:32 am-7:05 am

1 stop18h 33m

London Heathrow

Thu 12/4

11:30 am-11:17 pm

2 stops17h 47m

$593

San AntonioLondon

SAT - LHR

SATLHR

San Antonio

Wed 12/3

1:06 pm-6:25 am

1 stop11h 19m

London Heathrow

Wed 12/10

11:30 am-10:57 pm

2 stops17h 27m

$593

San AntonioLondon

SAT - LGW

SATLGW

San Antonio

Sat 12/13

12:45 pm-10:05 am

1 stop15h 20m

London Gatwick

Thu 1/22

2:00 pm-9:18 am

2 stops25h 18m

$593

San AntonioLondon

SAT - LGW

SATLGW

San Antonio

Mon 11/17

7:37 pm-6:00 am

2 stops28h 23m

London Gatwick

Thu 11/20

2:00 pm-7:21 pm

1 stop35h 21m

$595

San AntonioLondon

SAT - LHR

SATLHR

San Antonio

Wed 12/3

11:51 am-10:15 am

2 stops16h 24m

London Heathrow

Wed 12/10

11:30 am-12:34 am

2 stops19h 04m

$597

San AntonioLondon

SAT - LHR

SATLHR

San Antonio

Wed 11/19

12:10 pm-6:20 am

1 stop12h 10m

London Heathrow

Wed 12/3

12:30 pm-12:34 am

1 stop18h 04m

$600

San AntonioLondon

SAT - LHR

SATLHR

San Antonio

Mon 12/8

4:52 pm-11:40 am

1 stop12h 48m

London Heathrow

Wed 12/17

12:30 pm-9:03 pm

1 stop14h 33m

$601

San AntonioLondon

SAT - LHR

SATLHR

San Antonio

Mon 2/9

2:10 pm-11:40 am

1 stop15h 30m

London Heathrow

Wed 2/18

8:55 am-11:33 pm

2 stops20h 38m

$601

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/20

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 October.

Provider	Price Accuracy	Trust Score*
Expedia	Price Accuracy2 stars	Trust Score*3 stars
FlightHub	Price Accuracy3 stars	Trust Score*3 stars
eDreams	Price Accuracy3 stars	Trust Score*3 stars
AranGrant	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 flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on San Antonio-London flight deals on Cheapflights vs. FlightHub >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 FlightHub the most. FlightHub 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 $870). 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.

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

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

7,981 reviews

Reviews

1 / 20

8.0

Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.

Delta

7.9

Good

7,981 reviews

Delta

7.9

Good

7,981 reviews

Reviews

1 / 20

8.0

Excellent

Matthew,Oct 2025

GSP - ATL

United Airlines

7.4

Good

8,991 reviews

Delta

7.9

Good

7,981 reviews

Reviews

1 / 20

8.0

Excellent

Matthew,Oct 2025

GSP - ATL

American Airlines

7.2

Good

11,028 reviews

Delta

7.9

Good

7,981 reviews

Reviews

1 / 20

8.0

Excellent

Matthew,Oct 2025

GSP - ATL

Iberia

7.0

Good

2,997 reviews

Delta

7.9

Good

7,981 reviews

Reviews

1 / 20

8.0

Excellent

Matthew,Oct 2025

GSP - ATL

British Airways

6.7

Okay

7,467 reviews

Delta

7.9

Good

7,981 reviews

Reviews

1 / 20

8.0

Excellent

Matthew,Oct 2025

GSP - 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 11h 19m. Fly via Delta or Virgin Atlantic 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), United Airlines ($531), and British Airways ($568) offers the cheapest pricing from San Antonio to London. These flights start at 44% 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 $870). 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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Harrow

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Top 6 airlines flying from San Antonio to London

Airline	Cheapest	Average	Flexibility	On-time
Delta	Cheapest$530	Average$1,010	FlexibilityNo cancel fee	On-timeN/A
United Airlines	Cheapest$531	Average$930	FlexibilityNo cancel fee	On-time69%
British Airways	Cheapest$568	Average$912	FlexibilityNo cancel fee	On-time70%
American Airlines	Cheapest$571	Average$832	FlexibilityNo cancel fee	On-time71%
Virgin Atlantic	Cheapest$645	Average$1,077	FlexibilityNo cancel fee	On-time72%
Iberia	Cheapest$668	Average$999	FlexibilityNo cancel fee	On-time77%

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$249+ 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 2/9. 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 August or September, booked 34 days in advance, depart on a Wednesday or Tuesday and return on a Wednesday

Cheap flight deals from San Antonio to London

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Find 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 October 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 October 23, 2025.

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

Compare providers for flights from San Antonio to London

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 October.

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 October 17, 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 October 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.

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

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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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 October 23, 2025.