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

According to our current data, Scandinavian Airlines (£509), British Airways (£554), and Iberia (£558) offers the cheapest pricing from San Antonio to London. These flights start at 28% 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 Aer Lingus. According to our data, you can fly for as low as £419. Users have also found prices from £437 and £452 on Delta and Iberia, 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.

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 £710 on average during February, but can be found for as low as £465.

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.

£235+ Flights from San Antonio to London - Compare & Save Big

Cheapflights Tip: The best prices from San Antonio to London are usually found in February or November, booked 70 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	£509
One-way from	£235
Popular in	January
Cheapest in	February
Average price	£583

Scandinavian Airlines
15/9-15/10
4 total stops
40h 46m total
San Antonio to London

Search Deals

1/8
2 total stops
15h 51m total
San Antonio to London

Search Deals

Highest demand for flights based on searches. 12% potential increase in price (£73 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 3% potential price decrease (£18 potential savings vs. average return price).

Search Deals

Average for round-trip flights in April 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 30 April 2025.

Mon 15/912:15SAT - LHR

2 stops21h 45mScandinavian Airlines

Wed 15/1010:20LHR - SAT

2 stops19h 01mScandinavian Airlines

Deal found 29/4£509

Wed 19/1114:00SAT - LHR

1 stop16h 15mDelta

Wed 3/1211:30LHR - SAT

2 stops18h 55mDelta

Deal found 29/4£521

Tue 13/507:05SAT - LGW

3 stops25h 35mMultiple Airlines

Tue 20/519:50LGW - SAT

3 stops46h 42mMultiple Airlines

Deal found 29/4£525

Wed 19/1118:40SAT - LHR

1 stop11h 35mAmerican Airlines

Wed 3/1208:20LHR - SAT

1 stop13h 29mAmerican Airlines

Deal found 29/4£528

Tue 13/507:05SAT - LHR

3 stops31h 15mMultiple Airlines

Tue 20/521:25LHR - SAT

3 stops31h 26mMultiple Airlines

Deal found 29/4£564

Tue 26/813:25SAT - LHR

1 stop11h 55mIberia

Sat 13/908:20LHR - SAT

1 stop16h 33mIberia

Deal found 29/4£565

Tue 9/916:22SAT - LHR

1 stop13h 13mUnited Airlines

Tue 23/913:40LHR - SAT

1 stop13h 37mUnited Airlines

Deal found 29/4£588

Sun 19/1017:30SAT - LHR

1 stop11h 20mBritish Airways

Sun 26/1014:55LHR - SAT

1 stop12h 56mBritish Airways

Deal found 29/4£600

Fri 12/910:45SAT - LHR

1 stop14h 00mKLM

Wed 24/912:45LHR - SAT

1 stop14h 44mKLM

Deal found 29/4£618

Fri 29/814:15SAT - LHR

1 stop12h 45mFinnair

Mon 8/916:10LHR - SAT

2 stops31h 32mFinnair

Deal found 29/4£626

Mon 12/518:06SAT - LHR

1 stop13h 04mVirgin Atlantic

Tue 19/809:20LHR - SAT

1 stop13h 47mVirgin Atlantic

Deal found 29/4£679

Fri 5/920:32SAT - LCY

2 stops40h 38mBritish Airways

Mon 15/919:00LCY - SAT

2 stops27h 40mBritish Airways

Deal found 30/4£682

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 30 April 2025.

Mon 15/912:15SAT - LHR

2 stops21h 45mScandinavian Airlines

Wed 15/1010:20LHR - SAT

2 stops19h 01mScandinavian Airlines

Deal found 29/4£509

Tue 13/507:05SAT - LGW

3 stops25h 35mMultiple Airlines

Tue 20/519:50LGW - SAT

3 stops46h 42mMultiple Airlines

Deal found 29/4£525

Mon 15/917:30SAT - LHR

1 stop13h 00mBritish Airways

Wed 15/1015:30LHR - SAT

1 stop14h 27mBritish Airways

Deal found 30/4£554

Fri 5/917:30SAT - LHR

1 stop14h 55mIberia

Mon 15/920:00LHR - SAT

2 stops33h 00mIberia

Deal found 30/4£558

Tue 12/814:00SAT - LHR

1 stop17h 10mDelta

Sat 23/811:30LHR - SAT

2 stops18h 44mDelta

Deal found 29/4£559

Tue 26/814:15SAT - LHR

1 stop18h 10mFinnair

Sat 13/908:20LHR - SAT

1 stop15h 22mFinnair

Deal found 30/4£565

Sat 27/912:27SAT - LGW

2 stops14h 08mAmerican Airlines

Sat 4/1010:40LGW - SAT

2 stops18h 29mAmerican Airlines

Deal found 29/4£574

Tue 26/814:25SAT - LHR

1 stop11h 15mUnited Airlines

Sat 13/909:30LHR - SAT

2 stops17h 47mUnited Airlines

Deal found 30/4£586

Fri 12/910:45SAT - LHR

1 stop14h 00mKLM

Wed 24/912:45LHR - SAT

1 stop14h 44mKLM

Deal found 29/4£618

Mon 12/518:06SAT - LHR

1 stop13h 04mVirgin Atlantic

Tue 19/809:20LHR - SAT

1 stop13h 47mVirgin Atlantic

Deal found 29/4£679

Mon 15/912:00SAT - LCY

2 stops24h 35mLufthansa

Wed 15/1008:45LCY - SAT

2 stops18h 11mLufthansa

Deal found 29/4£682

Sat 5/706:40SAT - LHR

2 stops32h 20mAir Canada

Thu 17/708:30LHR - SAT

2 stops34h 46mAir Canada

Deal found 29/4£814

Last-minute flights from San Antonio to London
Discover last-minute flight deals from San Antonio to London. Data last updated 30 April 2025 and is based on user searches.

Wed 30/418:06SAT - LHR

1 stop11h 29mUnited Airlines

Wed 7/514:05LHR - SAT

2 stops32h 10mUnited Airlines

Deal found 29/4£701

Wed 30/414:28SAT - LHR

1 stop12h 32mFinnair

Wed 7/508:20LHR - SAT

1 stop19h 43mFinnair

Deal found 29/4£718

Wed 30/412:35SAT - LCY

2 stops21h 55mBritish Airways

Wed 7/517:05LCY - SAT

2 stops29h 58mBritish Airways

Deal found 29/4£740

Mon 5/518:34SAT - LHR

1 stop11h 41mIberia

Tue 13/516:25LHR - SAT

1 stop13h 33mIberia

Deal found 30/4£658

Mon 5/512:19SAT - LHR

1 stop13h 21mUnited Airlines

Tue 13/514:05LHR - SAT

2 stops28h 07mUnited Airlines

Deal found 29/4£701

Mon 5/514:08SAT - LHR

2 stops15h 42mAir Canada

Tue 13/514:05LHR - SAT

2 stops36h 29mAir Canada

Deal found 29/4£705

Tue 6/510:09SAT - LGW

3 stops22h 31mMultiple Airlines

Tue 13/510:00LGW - SAT

2 stops25h 04mMultiple Airlines

Deal found 29/4£574

Tue 6/512:13SAT - LHR

1 stop13h 02mDelta

Tue 13/506:15LHR - SAT

2 stops17h 05mDelta

Deal found 29/4£652

Tue 6/518:31SAT - LHR

3 stops33h 49mMultiple Airlines

Tue 13/512:00LHR - SAT

3 stops23h 04mMultiple Airlines

Deal found 29/4£676

Tue 6/519:34SAT - LCY

2 stops38h 56mBritish Airways

Tue 13/519:00LCY - SAT

2 stops28h 03mBritish Airways

Deal found 29/4£744

Tue 6/516:40SAT - STN

3 stops25h 10mMultiple Airlines

Tue 13/508:15STN - SAT

3 stops35h 03mMultiple Airlines

Deal found 29/4£755

Thu 8/515:15SAT - LHR

2 stops16h 10mAer Lingus

Tue 13/513:25LHR - SAT

2 stops16h 25mAer Lingus

Deal found 29/4£699

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 30 April 2025.

Fri 1/812:09SAT - LGW

2 stops15h 51mMultiple Airlines

Deal found 28/4£235

Sun 15/613:56SAT - STN

3 stops42h 04mMultiple Airlines

Deal found 28/4£272

Sun 15/613:56SAT - LCY

3 stops46h 34mMultiple Airlines

Deal found 28/4£330

Sun 15/622:57SAT - LHR

3 stops32h 08mMultiple Airlines

Deal found 28/4£361

Thu 8/515:15SAT - LHR

2 stops16h 10mAer Lingus

Deal found 29/4£419

Thu 8/511:59SAT - LHR

1 stop14h 51mDelta

Deal found 29/4£437

Thu 8/507:00SAT - SEN

3 stops33h 25mMultiple Airlines

Deal found 29/4£441

Thu 8/512:20SAT - LHR

1 stop16h 30mIberia

Deal found 29/4£452

Fri 1/805:25SAT - LGW

3 stops22h 00mWestJet

Deal found 28/4£488

Thu 8/514:25SAT - LHR

3 stops34h 30mUnited Airlines

Deal found 29/4£489

Fri 1/807:30SAT - LHR

3 stops17h 00mAir Canada

Deal found 28/4£496

Thu 8/511:30SAT - LCY

2 stops13h 45mDelta

Deal found 29/4£497

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

Mon 15/9

12:15-16:00

2 stops21h 45m

London Heathrow

Wed 15/10

10:20-23:21

2 stops19h 01m

£509

San AntonioLondon

SAT - LGW

SATLGW

San Antonio

Tue 13/5

07:05-14:40

3 stops25h 35m

London Gatwick

Tue 20/5

19:50-12:32

3 stops46h 42m

£525

San AntonioLondon

SAT - LHR

SATLHR

San Antonio

Mon 15/9

17:30-12:30

1 stop13h 00m

London Heathrow

Wed 15/10

15:30-23:57

1 stop14h 27m

£554

San AntonioLondon

SAT - LHR

SATLHR

San Antonio

Fri 5/9

17:30-14:25

1 stop14h 55m

London Heathrow

Mon 15/9

20:00-23:00

2 stops33h 00m

£558

San AntonioLondon

SAT - LHR

SATLHR

San Antonio

Tue 12/8

14:00-13:10

1 stop17h 10m

London Heathrow

Sat 23/8

11:30-00:14

2 stops18h 44m

£559

San AntonioLondon

SAT - LHR

SATLHR

San Antonio

Tue 13/5

07:05-20:20

3 stops31h 15m

London Heathrow

Tue 20/5

21:25-22:51

3 stops31h 26m

£564

San AntonioLondon

SAT - LHR

SATLHR

San Antonio

Tue 26/8

14:15-14:25

1 stop18h 10m

London Heathrow

Sat 13/9

08:20-17:42

1 stop15h 22m

£565

San AntonioLondon

SAT - LGW

SATLGW

San Antonio

Sat 27/9

12:27-08:35

2 stops14h 08m

London Gatwick

Sat 4/10

10:40-23:09

2 stops18h 29m

£574

San AntonioLondon

SAT - LHR

SATLHR

San Antonio

Tue 26/8

14:25-07:40

1 stop11h 15m

London Heathrow

Sat 13/9

09:30-21:17

2 stops17h 47m

£586

San AntonioLondon

SAT - LHR

SATLHR

San Antonio

Fri 12/9

10:45-06:45

1 stop14h 00m

London Heathrow

Wed 24/9

12:45-21:29

1 stop14h 44m

£618

Flights are sorted by cheapest return flights first.

Deals found on 28/4

Showing 1-10 of 46 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 70 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 Finnair 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

7,934 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Delta

8.0

Very Good

7,934 reviews

Delta

8.0

Very Good

7,934 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

KLM

7.8

Good

1,334 reviews

Delta

8.0

Very Good

7,934 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Finnair

7.6

Good

1,275 reviews

Delta

8.0

Very Good

7,934 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

United Airlines

7.4

Good

8,696 reviews

Delta

8.0

Very Good

7,934 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Virgin Atlantic

7.4

Good

642 reviews

Delta

8.0

Very Good

7,934 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

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, Scandinavian Airlines (£509), British Airways (£554), and Iberia (£558) offers the cheapest pricing from San Antonio to London. These flights start at 28% 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 Aer Lingus. According to our data, you can fly for as low as £419. Users have also found prices from £437 and £452 on Delta and Iberia, 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

Milton Keynes

Gatwick

Luton

Slough

Croydon

Eastbourne

Southend-on-Sea

Ilford

Crawley

Hayes

Ipswich

Watford

Wembley

Folkestone

Maidstone

Winchester

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£578	Average£920	FlexibilityNo cancel fee	On-time70%	Search British Airways flights

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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 £235

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 1/8. 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 70 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 30 April 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 30 April 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 25 April 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 30 April 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 30 April 2025.

See what other customers who have flown with Delta, KLM and Finnair 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

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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 30 April 2025.