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

According to our current data, Virgin Atlantic (£459), British Airways (£465), and United Airlines (£466) offers the cheapest pricing from San Antonio to London. These flights start at 34% lower than the current average price 3 months from now.

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

For one-way options, check prices for United Airlines. According to our data, you can fly for as low as £297. Users have also found prices from £302 and £336 on Air Canada and Lufthansa, respectively.

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

Travellers seeking maximum savings on their San Antonio to London flight should consider departing on Friday at midday 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.

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

The most popular flight routes from San Antonio to London are San Antonio - London Heathrow, San Antonio - London Gatwick and San Antonio - London City.

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

Flights from San Antonio to London are found to be more expensive on Friday. 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.

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

To save on the cost of your flight from San Antonio to London, book at least 33 days before your planned departure. Booking around this time can save you about 17% on the cost of this flight compared to booking a flight leaving this week. We have found prices from £541 if you need a flight within two weeks. For flights within the next 72 hours, you can find tickets from as low as £751.

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

Due to multiple factors, expect to potentially pay more when booking in January. For low rates, February can be a great choice for travel to London. Flights to London from San Antonio in February are about £703 on average during February, but can be found for as low as £463.

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 1 airline. 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 holiday 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.

£157+ Flights from San Antonio to London

Cheapflights Tip: The best prices from San Antonio to London are usually found in February or November, booked 81 days in advance, depart on a Wednesday or Monday and return on a Wednesday

Cheap flight deals from San Antonio to London

Round-trip from	£401
One-way from	£157
Popular in	January
Cheapest in	February
Average price	£897

7/10-15/10
2 total stops
41h 15m total
San Antonio to London

Search Deals

13/7
1 total stop
20h 45m total
San Antonio to London

Search Deals

Highest demand for flights based on searches. 13% potential increase in price (£84 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 3% potential price decrease (£20 potential savings vs. average return price).

Search Deals

Average for round-trip flights in June 2025

Search Deals

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 22 June 2025.

Tue 7/1005:20SAT - LGW

1 stop22h 40mMultiple Airlines

Wed 15/1010:55LGW - SAT

1 stop18h 35mMultiple Airlines

Deal found 22/6£401

Tue 16/906:00SAT - LHR

3 stops30h 50mMultiple Airlines

Thu 25/919:50LHR - SAT

2 stops33h 40mMultiple Airlines

Deal found 21/6£410

Mon 11/810:45SAT - LGW

2 stops17h 15mVirgin Atlantic

Wed 27/812:00LGW - SAT

1 stop28h 38mVirgin Atlantic

Deal found 22/6£459

Mon 25/817:10SAT - LHR

1 stop13h 35mBritish Airways

Tue 2/915:10LHR - SAT

1 stop13h 49mBritish Airways

Deal found 19/6£465

Wed 19/1113:23SAT - LHR

1 stop14h 17mUnited Airlines

Wed 3/1213:25LHR - SAT

2 stops29h 05mUnited Airlines

Deal found 21/6£466

Mon 11/807:00SAT - LHR

2 stops17h 30mAir Canada

Wed 27/814:05LHR - SAT

2 stops27h 56mAir Canada

Deal found 22/6£468

Wed 1/1012:10SAT - LHR

1 stop17h 15mDelta

Wed 8/1006:15LHR - SAT

2 stops20h 04mDelta

Deal found 21/6£477

Fri 12/918:49SAT - LHR

1 stop13h 36mIberia

Wed 24/911:30LHR - SAT

2 stops17h 30mIberia

Deal found 20/6£504

Mon 15/917:50SAT - LHR

1 stop13h 20mKLM

Wed 15/1013:05LHR - SAT

1 stop17h 00mKLM

Deal found 20/6£505

Sun 20/712:24SAT - LHR

1 stop12h 51mVirgin Atlantic

Tue 29/710:55LHR - SAT

2 stops17h 23mVirgin Atlantic

Deal found 20/6£509

Tue 7/1017:04SAT - LCY

2 stops17h 21mLufthansa

Wed 15/1008:45LCY - SAT

2 stops18h 10mLufthansa

Deal found 21/6£511

Mon 4/812:55SAT - LHR

1 stop13h 25mLufthansa

Mon 11/808:30LHR - SAT

1 stop14h 08mLufthansa

Deal found 20/6£514

Best flights from San Antonio to London
Discover carefully curated flight deals from San Antonio to London that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 22 June 2025.

Tue 7/1005:20SAT - LGW

1 stop22h 40mMultiple Airlines

Wed 15/1010:55LGW - SAT

1 stop18h 35mMultiple Airlines

Deal found 22/6£401

Mon 11/810:45SAT - LGW

2 stops17h 15mVirgin Atlantic

Wed 27/812:00LGW - SAT

1 stop28h 38mVirgin Atlantic

Deal found 22/6£459

Mon 25/817:10SAT - LHR

1 stop13h 35mBritish Airways

Tue 2/915:10LHR - SAT

1 stop13h 49mBritish Airways

Deal found 19/6£465

Wed 19/1113:23SAT - LHR

1 stop14h 17mUnited Airlines

Wed 3/1213:25LHR - SAT

2 stops29h 05mUnited Airlines

Deal found 21/6£466

Mon 11/807:00SAT - LHR

2 stops17h 30mAir Canada

Wed 27/814:05LHR - SAT

2 stops27h 56mAir Canada

Deal found 22/6£468

Wed 1/1012:10SAT - LHR

1 stop17h 15mDelta

Wed 8/1006:15LHR - SAT

2 stops20h 04mDelta

Deal found 21/6£477

Fri 12/918:49SAT - LHR

1 stop13h 36mIberia

Wed 24/911:30LHR - SAT

2 stops17h 30mIberia

Deal found 20/6£504

Mon 15/917:50SAT - LHR

1 stop13h 20mKLM

Wed 15/1013:05LHR - SAT

1 stop17h 00mKLM

Deal found 20/6£505

Tue 7/1017:04SAT - LCY

2 stops17h 21mLufthansa

Wed 15/1008:45LCY - SAT

2 stops18h 10mLufthansa

Deal found 21/6£511

Sat 27/910:12SAT - LGW

2 stops15h 58mAmerican Airlines

Sat 4/1012:20LGW - SAT

2 stops16h 40mAmerican Airlines

Deal found 20/6£530

Wed 1/1016:10SAT - LHR

2 stops19h 30mScandinavian Airlines

Wed 8/1007:05LHR - SAT

3 stops23h 00mScandinavian Airlines

Deal found 20/6£550

Tue 16/906:00SAT - LHR

3 stops30h 50mMultiple Airlines

Thu 25/919:50LHR - SAT

2 stops33h 40mMultiple Airlines

Deal found 21/6£410

Last-minute flights from San Antonio to London
Discover last-minute flight deals from San Antonio to London. Data last updated 22 June 2025 and is based on user searches.

Fri 27/619:30SAT - LHR

3 stops35h 30mMultiple Airlines

Tue 1/719:30LHR - SAT

3 stops33h 39mMultiple Airlines

Deal found 20/6£732

Fri 27/618:17SAT - LHR

1 stop12h 28mIberia

Wed 6/816:25LHR - SAT

1 stop12h 34mIberia

Deal found 20/6£935

Fri 27/612:20SAT - LHR

2 stops14h 35mDelta

Wed 6/809:20LHR - SAT

2 stops18h 58mDelta

Deal found 20/6£948

Fri 27/617:56SAT - LHR

1 stop11h 39mUnited Airlines

Sat 9/808:30LHR - SAT

2 stops21h 29mUnited Airlines

Deal found 20/6£989

Fri 27/616:00SAT - LHR

2 stops35h 20mScandinavian Airlines

Wed 6/818:40LHR - SAT

2 stops33h 37mScandinavian Airlines

Deal found 21/6£1,110

Fri 27/619:30SAT - STN

3 stops33h 10mMultiple Airlines

Tue 1/706:50STN - SAT

3 stops28h 10mMultiple Airlines

Deal found 21/6£1,209

Fri 27/611:25SAT - LCY

2 stops13h 50mDelta

Sat 9/807:45LCY - SAT

2 stops16h 24mDelta

Deal found 20/6£1,257

Fri 27/617:56SAT - LHR

2 stops22h 29mTurkish Airlines

Tue 1/722:25LHR - SAT

2 stops30h 34mTurkish Airlines

Deal found 20/6£1,296

Fri 27/617:20SAT - LCY

2 stops41h 55mLufthansa

Mon 7/719:10LCY - SAT

2 stops31h 17mLufthansa

Deal found 19/6£1,353

Sat 28/617:56SAT - LGW

2 stops33h 39mTurkish Airlines

Sun 6/714:00LGW - SAT

2 stops38h 59mTurkish Airlines

Deal found 21/6£1,219

Tue 1/714:11SAT - LGW

1 stop13h 49mMultiple Airlines

Thu 17/714:00LGW - SAT

2 stops16h 34mMultiple Airlines

Deal found 21/6£730

Tue 1/707:08SAT - LHR

2 stops17h 22mAir Canada

Wed 16/714:05LHR - SAT

2 stops31h 22mAir Canada

Deal found 21/6£1,238

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 22 June 2025.

Sun 13/707:25SAT - LGW

1 stop20h 45mMultiple Airlines

Deal found 21/6£157

Sun 7/914:55SAT - LHR

1 stop13h 40mMultiple Airlines

Deal found 21/6£213

Tue 29/714:11SAT - STN

3 stops39h 19mMultiple Airlines

Deal found 19/6£220

Wed 30/714:11SAT - SEN

2 stops24h 39mMultiple Airlines

Deal found 19/6£265

Mon 28/714:11SAT - LCY

3 stops25h 29mMultiple Airlines

Deal found 19/6£276

Sun 27/714:15SAT - LHR

1 stop15h 20mUnited Airlines

Deal found 19/6£297

Sat 8/1114:01SAT - LHR

2 stops34h 29mAir Canada

Deal found 20/6£302

Mon 28/711:58SAT - LCY

2 stops18h 32mUnited Airlines

Deal found 19/6£323

Sat 20/916:22SAT - LCY

2 stops44h 13mLufthansa

Deal found 21/6£336

Fri 25/718:20SAT - LHR

1 stop13h 10mKLM

Deal found 19/6£348

Sat 20/912:44SAT - LHR

1 stop14h 16mBritish Airways

Deal found 21/6£349

Sun 27/710:40SAT - LCY

2 stops14h 35mDelta

Deal found 19/6£356

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 - LGW

SATLGW

San Antonio

Tue 7/10

05:20-10:00

1 stop22h 40m

London Gatwick

Wed 15/10

10:55-23:30

1 stop18h 35m

£401

San AntonioLondon

SAT - LHR

SATLHR

San Antonio

Tue 16/9

06:00-18:50

3 stops30h 50m

London Heathrow

Thu 25/9

19:50-23:30

2 stops33h 40m

£410

San AntonioLondon

SAT - LGW

SATLGW

San Antonio

Mon 11/8

10:45-10:00

2 stops17h 15m

London Gatwick

Wed 27/8

12:00-10:38

1 stop28h 38m

£459

San AntonioLondon

SAT - LHR

SATLHR

San Antonio

Mon 25/8

17:10-12:45

1 stop13h 35m

London Heathrow

Tue 2/9

15:10-22:59

1 stop13h 49m

£465

San AntonioLondon

SAT - LHR

SATLHR

San Antonio

Wed 19/11

13:23-09:40

1 stop14h 17m

London Heathrow

Wed 3/12

13:25-12:30

2 stops29h 05m

£466

San AntonioLondon

SAT - LHR

SATLHR

San Antonio

Mon 11/8

07:00-06:30

2 stops17h 30m

London Heathrow

Wed 27/8

14:05-12:01

2 stops27h 56m

£468

San AntonioLondon

SAT - LHR

SATLHR

San Antonio

Wed 1/10

12:10-11:25

1 stop17h 15m

London Heathrow

Wed 8/10

06:15-20:19

2 stops20h 04m

£477

San AntonioLondon

SAT - LHR

SATLHR

San Antonio

Fri 12/9

18:49-14:25

1 stop13h 36m

London Heathrow

Wed 24/9

11:30-23:00

2 stops17h 30m

£504

San AntonioLondon

SAT - LHR

SATLHR

San Antonio

Mon 15/9

17:50-13:10

1 stop13h 20m

London Heathrow

Wed 15/10

13:05-00:05

1 stop17h 00m

£505

San AntonioLondon

SAT - LHR

SATLHR

San Antonio

Sun 20/7

12:24-07:15

1 stop12h 51m

London Heathrow

Tue 29/7

10:55-22:18

2 stops17h 23m

£509

Flights are sorted by cheapest return flights first.

Deals found on 21/6

Showing 1-10 of 40 results

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 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

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

The best time to book flights from San Antonio to London is 81 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

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

Currently, January is the cheapest month in which you can book a flight from San Antonio to London (average of £112). Flying from San Antonio to London 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 LON?

Unlike at midday, when flights are generally more expensive, you can save up to 5% on flights from San Antonio to London by exploring options for tickets in the afternoon.

Rainfall in London by month

In terms of precipitation, rainfall in London 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 when rainfall is around 40.0 mm.

Temperature in London by month

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 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).

Reviews of airlines servicing London

See what other customers who have flown with Delta, KLM and United Airlines from San Antonio to London have to say. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.

Delta

8.0

Very Good

7,966 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Delta

8.0

Very Good

7,966 reviews

Delta

8.0

Very Good

7,966 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

KLM

7.8

Good

1,367 reviews

Delta

8.0

Very Good

7,966 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

United Airlines

7.4

Good

8,825 reviews

Delta

8.0

Very Good

7,966 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Virgin Atlantic

7.4

Good

653 reviews

Delta

8.0

Very Good

7,966 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Turkish Airlines

7.3

Good

3,867 reviews

Delta

8.0

Very Good

7,966 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

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 1 airline. San Antonio is conveniently located just 7.6 mi from San Antonio’s city center.
What are the cheapest airlines flying from San Antonio to London round-trip?
According to our current data, Virgin Atlantic (£459), British Airways (£465), and United Airlines (£466) offers the cheapest pricing from San Antonio to London. These flights start at 34% lower than the current average price 3 months from now.
What are the cheapest airlines to fly from San Antonio to London one-way?
For one-way options, check prices for United Airlines. According to our data, you can fly for as low as £297. Users have also found prices from £302 and £336 on Air Canada and Lufthansa, respectively.
What are the most popular routes from San Antonio to London?
The most popular flight routes from San Antonio to London are San Antonio - London Heathrow, San Antonio - London Gatwick and San Antonio - London City.
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 holiday 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, January is the cheapest month in which you can book a flight from San Antonio to London (average of £112). Flying from San Antonio to London 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.

See more FAQs

Milton Keynes

Hounslow

Croydon

Deal

Gatwick

Luton

Slough

Wembley

Crawley

Eastbourne

Ilford

Watford

Hayes

Southend-on-Sea

Ipswich

Winchester

Folkestone

Maidstone

Chichester

Southall

Browse thousands of different options on Cheapflights for your next trip

Top airline flying from San Antonio to London

Airline	Cheapest	Average	Flexibility	On-time
British Airways	Cheapest£577	Average£917	FlexibilityNo cancel fee	On-time70%	Search British Airways flights

Fly with Cheapflights

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

900+ travel sites are searched through when a user searches for a flight using Cheapflights. From the search interface, users can use filters to choose airlines, airports, flight times, cabin classes and more to their preference. Book your flight to London from San Antonio today with Cheapflights!

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

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from San Antonio to London.

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

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

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

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Cheap flights from San Antonio to London from £157

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 13/7. 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 are usually found in February or November, booked 81 days in advance, depart on a Wednesday or Monday and return on a Wednesday

Cheap flight deals from San Antonio to London

Round-trip from

One-way from

Popular in

Cheapest in

Average price

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 22 June 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 22 June 2025.

Cheapflights Fare Finder

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

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 return flight from San Antonio to London. Price data was last updated on 20 June 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 22 June 2025.

Rainfall in London by month

Plan your trip to London by taking into account the average rainfall totals by month.

Temperature in London by month

Plan your trip to London by taking into account the average temperature totals by month.

Reviews of airlines servicing London

Get insights into the airlines that provide service to London. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to London. Reviews last updated 22 June 2025.

See what other customers who have flown with Delta, KLM and United Airlines from San Antonio to London have to say. Users can see the overall rating for each airline as well as how each is rated 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.

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

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

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

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?

Travelling to a place near San Antonio?

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for San Antonio to London

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

Top airline flying from San Antonio to London

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

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

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

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

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

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Travel Smart

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 22 June 2025.