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

According to our current data, Virgin Atlantic (£452), British Airways (£460), and Iberia (£463) offers the cheapest pricing from San Antonio to London. These flights start at 35% 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 Virgin Atlantic. According to our data, you can fly for as low as £287. Users have also found prices from £294 and £308 on United Airlines and Delta, 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 £536 if you need a flight within two weeks. For flights within the next 72 hours, you can find tickets from as low as £745.

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 £699 on average during February, but can be found for as low as £459.

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.

£184+ 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	£448
One-way from	£184
Popular in	January
Cheapest in	February
Average price	£889

5/9-10/9
2 total stops
51h 15m total
San Antonio to London

Search Deals

9/7
2 total stops
29h 08m total
San Antonio to London

Search Deals

Highest demand for flights based on searches. 13% potential increase in price (£83 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 15 June 2025.

Fri 5/920:10SAT - LGW

1 stop32h 40mMultiple Airlines

Wed 10/910:55LGW - SAT

1 stop18h 35mMultiple Airlines

Deal found 14/6£448

Mon 4/811:36SAT - LGW

1 stop16h 24mVirgin Atlantic

Wed 20/812:00LGW - SAT

1 stop28h 38mVirgin Atlantic

Deal found 13/6£452

Tue 19/818:45SAT - LHR

1 stop12h 00mBritish Airways

Wed 1/1008:20LHR - SAT

1 stop13h 11mBritish Airways

Deal found 13/6£460

Sat 20/918:49SAT - LHR

1 stop34h 01mIberia

Wed 8/1006:30LHR - SAT

2 stops18h 57mIberia

Deal found 13/6£463

Tue 19/806:30SAT - LHR

2 stops21h 30mAir Canada

Tue 30/914:05LHR - SAT

2 stops31h 53mAir Canada

Deal found 13/6£463

Wed 10/914:25SAT - LHR

1 stop11h 15mUnited Airlines

Tue 30/914:05LHR - SAT

2 stops27h 32mUnited Airlines

Deal found 14/6£464

Mon 4/811:36SAT - LHR

1 stop13h 39mDelta

Wed 20/811:30LHR - SAT

2 stops18h 22mDelta

Deal found 13/6£474

Tue 19/818:11SAT - LHR

1 stop13h 19mKLM

Tue 30/912:25LHR - SAT

1 stop15h 04mKLM

Deal found 13/6£480

Mon 4/811:58SAT - LHR

2 stops15h 42mLufthansa

Wed 20/809:30LHR - SAT

2 stops17h 16mLufthansa

Deal found 13/6£488

Tue 2/911:33SAT - LGW

1 stop16h 27mDelta

Mon 8/912:00LGW - SAT

2 stops17h 57mDelta

Deal found 12/6£489

Tue 22/710:40SAT - LHR

2 stops14h 05mVirgin Atlantic

Tue 29/709:40LHR - SAT

2 stops17h 45mVirgin Atlantic

Deal found 14/6£506

Wed 15/1017:04SAT - LCY

2 stops19h 31mLufthansa

Wed 22/1008:45LCY - SAT

2 stops17h 20mLufthansa

Deal found 14/6£519

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 15 June 2025.

Fri 5/920:10SAT - LGW

1 stop32h 40mMultiple Airlines

Wed 10/910:55LGW - SAT

1 stop18h 35mMultiple Airlines

Deal found 14/6£448

Mon 4/811:36SAT - LGW

1 stop16h 24mVirgin Atlantic

Wed 20/812:00LGW - SAT

1 stop28h 38mVirgin Atlantic

Deal found 13/6£452

Tue 19/818:45SAT - LHR

1 stop12h 00mBritish Airways

Wed 1/1008:20LHR - SAT

1 stop13h 11mBritish Airways

Deal found 13/6£460

Sat 20/918:49SAT - LHR

1 stop34h 01mIberia

Wed 8/1006:30LHR - SAT

2 stops18h 57mIberia

Deal found 13/6£463

Tue 19/806:30SAT - LHR

2 stops21h 30mAir Canada

Tue 30/914:05LHR - SAT

2 stops31h 53mAir Canada

Deal found 13/6£463

Wed 10/914:25SAT - LHR

1 stop11h 15mUnited Airlines

Tue 30/914:05LHR - SAT

2 stops27h 32mUnited Airlines

Deal found 14/6£464

Mon 4/811:36SAT - LHR

1 stop13h 39mDelta

Wed 20/811:30LHR - SAT

2 stops18h 22mDelta

Deal found 13/6£474

Mon 4/811:58SAT - LHR

2 stops15h 42mLufthansa

Wed 20/809:30LHR - SAT

2 stops17h 16mLufthansa

Deal found 13/6£488

Mon 15/918:20SAT - LHR

1 stop13h 10mKLM

Wed 15/1015:15LHR - SAT

1 stop14h 50mKLM

Deal found 13/6£502

Sat 27/911:25SAT - LGW

2 stops15h 10mAmerican Airlines

Sat 4/1012:20LGW - SAT

2 stops16h 40mAmerican Airlines

Deal found 14/6£526

Sat 27/915:00SAT - LHR

2 stops20h 40mScandinavian Airlines

Sat 4/1006:40LHR - SAT

2 stops22h 41mScandinavian Airlines

Deal found 14/6£544

Tue 2/911:33SAT - LGW

1 stop16h 27mDelta

Mon 8/912:00LGW - SAT

2 stops17h 57mDelta

Deal found 12/6£489

Last-minute flights from San Antonio to London
Discover last-minute flight deals from San Antonio to London. Data last updated 15 June 2025 and is based on user searches.

Sun 22/619:24SAT - LHR

1 stop11h 21mMultiple Airlines

Sun 29/608:20LHR - SAT

1 stop13h 08mMultiple Airlines

Deal found 13/6£1,465

Sun 22/614:49SAT - LHR

2 stops19h 11mScandinavian Airlines

Sun 29/610:20LHR - SAT

2 stops19h 29mScandinavian Airlines

Deal found 13/6£1,617

Mon 23/613:24SAT - LHR

1 stop11h 56mIberia

Tue 1/706:10LHR - SAT

2 stops19h 44mIberia

Deal found 13/6£1,228

Mon 23/607:15SAT - LHR

2 stops19h 20mAir Canada

Wed 2/712:40LHR - SAT

2 stops29h 05mAir Canada

Deal found 13/6£1,926

Mon 23/611:56SAT - LHR

1 stop16h 44mLufthansa

Thu 26/612:15LHR - SAT

1 stop14h 12mLufthansa

Deal found 13/6£2,166

Tue 24/614:11SAT - LGW

1 stop13h 49mMultiple Airlines

Tue 8/714:00LGW - SAT

1 stop35h 22mMultiple Airlines

Deal found 14/6£772

Tue 24/607:05SAT - STN

3 stops21h 35mMultiple Airlines

Tue 8/706:50STN - SAT

3 stops41h 46mMultiple Airlines

Deal found 14/6£869

Tue 24/613:24SAT - LCY

2 stops37h 06mAer Lingus

Tue 8/720:30LCY - SAT

2 stops33h 27mAer Lingus

Deal found 14/6£1,063

Tue 24/607:05SAT - LCY

3 stops28h 25mMultiple Airlines

Tue 8/713:05LCY - SAT

3 stops35h 31mMultiple Airlines

Deal found 14/6£1,116

Tue 24/606:00SAT - LHR

2 stops23h 50mUnited Airlines

Tue 8/707:25LHR - SAT

2 stops17h 47mUnited Airlines

Deal found 14/6£1,232

Tue 24/620:18SAT - LHR

1 stop12h 07mBritish Airways

Tue 8/709:15LHR - SAT

1 stop14h 23mBritish Airways

Deal found 14/6£1,245

Wed 25/611:48SAT - LGW

1 stop16h 12mDelta

Sat 28/612:00LGW - SAT

2 stops16h 11mDelta

Deal found 13/6£2,190

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 15 June 2025.

Wed 9/719:52SAT - LGW

2 stops29h 08mMultiple Airlines

Deal found 14/6£184

Tue 12/807:00SAT - LHR

2 stops31h 20mMultiple Airlines

Deal found 14/6£251

Wed 9/714:11SAT - SEN

2 stops24h 39mMultiple Airlines

Deal found 14/6£258

Sat 12/711:13SAT - STN

3 stops41h 22mMultiple Airlines

Deal found 13/6£259

Tue 12/812:05SAT - LHR

1 stop13h 10mVirgin Atlantic

Deal found 14/6£287

Mon 4/805:15SAT - LHR

1 stop22h 25mUnited Airlines

Deal found 13/6£294

Mon 4/811:36SAT - LGW

1 stop16h 24mDelta

Deal found 13/6£308

Wed 10/907:15SAT - LHR

3 stops17h 15mAir Canada

Deal found 14/6£313

Tue 12/814:11SAT - LCY

3 stops42h 04mMultiple Airlines

Deal found 14/6£316

Fri 17/1012:15SAT - LHR

2 stops21h 45mScandinavian Airlines

Deal found 14/6£334

Mon 4/811:58SAT - LCY

2 stops22h 27mLufthansa

Deal found 13/6£335

Fri 17/1010:45SAT - LHR

2 stops16h 05mDelta

Deal found 13/6£345

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

Fri 5/9

20:10-10:50

1 stop32h 40m

London Gatwick

Wed 10/9

10:55-23:30

1 stop18h 35m

£448

San AntonioLondon

SAT - LGW

SATLGW

San Antonio

Mon 4/8

11:36-10:00

1 stop16h 24m

London Gatwick

Wed 20/8

12:00-10:38

1 stop28h 38m

£452

San AntonioLondon

SAT - LHR

SATLHR

San Antonio

Tue 19/8

18:45-12:45

1 stop12h 00m

London Heathrow

Wed 1/10

08:20-15:31

1 stop13h 11m

£460

San AntonioLondon

SAT - LHR

SATLHR

San Antonio

Sat 20/9

18:49-10:50

1 stop34h 01m

London Heathrow

Wed 8/10

06:30-19:27

2 stops18h 57m

£463

San AntonioLondon

SAT - LHR

SATLHR

San Antonio

Tue 19/8

06:30-10:00

2 stops21h 30m

London Heathrow

Tue 30/9

14:05-15:58

2 stops31h 53m

£463

San AntonioLondon

SAT - LHR

SATLHR

San Antonio

Wed 10/9

14:25-07:40

1 stop11h 15m

London Heathrow

Tue 30/9

14:05-11:37

2 stops27h 32m

£464

San AntonioLondon

SAT - LHR

SATLHR

San Antonio

Mon 4/8

11:36-07:15

1 stop13h 39m

London Heathrow

Wed 20/8

11:30-23:52

2 stops18h 22m

£474

San AntonioLondon

SAT - LHR

SATLHR

San Antonio

Mon 4/8

11:58-09:40

2 stops15h 42m

London Heathrow

Wed 20/8

09:30-20:46

2 stops17h 16m

£488

San AntonioLondon

SAT - LGW

SATLGW

San Antonio

Tue 2/9

11:33-10:00

1 stop16h 27m

London Gatwick

Mon 8/9

12:00-23:57

2 stops17h 57m

£489

San AntonioLondon

SAT - LHR

SATLHR

San Antonio

Tue 22/7

10:40-06:45

2 stops14h 05m

London Heathrow

Tue 29/7

09:40-21:25

2 stops17h 45m

£506

Flights are sorted by cheapest return flights first.

Deals found on 14/6

Showing 1-10 of 38 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

7,958 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

7,958 reviews

Delta

8.0

Very Good

7,958 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

1,361 reviews

Delta

8.0

Very Good

7,958 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

8,793 reviews

Delta

8.0

Very Good

7,958 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

652 reviews

Delta

8.0

Very Good

7,958 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

3,851 reviews

Delta

8.0

Very Good

7,958 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 (£452), British Airways (£460), and Iberia (£463) offers the cheapest pricing from San Antonio to London. These flights start at 35% 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 Virgin Atlantic. According to our data, you can fly for as low as £287. Users have also found prices from £294 and £308 on United Airlines and Delta, 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

Deal

Hounslow

Croydon

Milton Keynes

Gatwick

Luton

Slough

Wembley

Crawley

Eastbourne

Ilford

Southend-on-Sea

Watford

Hayes

Ipswich

Winchester

Folkestone

Maidstone

Dartford

Guildford

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£571	Average£909	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?

Of course! You can now track prices for flights from San Antonio to London and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.

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Cheap flights from San Antonio to London from £184

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 9/7. 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 15 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 15 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 13 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 15 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 15 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 15 June 2025.