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

According to our current data, Scandinavian Airlines (£530), British Airways (£574), and United Airlines (£586) offers the cheapest pricing from San Antonio to London. These flights start at 27% 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 WestJet. According to our data, you can fly for as low as £366. Users have also found prices from £397 and £407 on Aer Lingus and Scandinavian Airlines, 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 35 days before your planned departure. Booking around this time can save you about 7% on the cost of this flight compared to booking a flight leaving this week. We have found prices from £531 if you need a flight within two weeks. For flights within the next 72 hours, you can find tickets from as low as £740.

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 £732 on average during February, but can be found for as low as £481.

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.

£224+ Flights from San Antonio to London

Cheapflights Tip: The best prices from San Antonio to London are usually found in February or April, booked 35 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	£530
One-way from	£224
Popular in	January
Cheapest in	February
Average price	£611

Scandinavian Airlines
15/9-15/10
4 total stops
40h 51m total
San Antonio to London

Search Deals

12/5
1 total stop
31h 29m total
San Antonio to London

Search Deals

Highest demand for flights based on searches. 10% potential increase in price (£69 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 3% potential price decrease (£17 potential savings vs. average return price).

Search Deals

Average for round-trip flights in March 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 29 March 2025.

Mon 15/912:15SAT - LHR

2 stops21h 45mScandinavian Airlines

Wed 15/1010:20LHR - SAT

2 stops19h 06mScandinavian Airlines

Deal found 28/3£530

Mon 12/510:01SAT - LGW

1 stop17h 59mMultiple Airlines

Mon 19/510:00LGW - SAT

2 stops25h 04mMultiple Airlines

Deal found 28/3£554

Mon 12/506:15SAT - LHR

1 stop18h 35mBritish Airways

Tue 19/820:00LHR - SAT

2 stops28h 51mBritish Airways

Deal found 28/3£574

Wed 30/416:16SAT - LHR

1 stop13h 19mUnited Airlines

Wed 7/514:05LHR - SAT

2 stops28h 07mUnited Airlines

Deal found 29/3£586

Sun 27/419:25SAT - STN

3 stops33h 15mMultiple Airlines

Sun 4/508:15STN - SAT

3 stops32h 38mMultiple Airlines

Deal found 28/3£586

Mon 12/518:43SAT - LHR

1 stop13h 42mIberia

Tue 19/820:00LHR - SAT

2 stops32h 56mIberia

Deal found 28/3£589

Mon 12/518:43SAT - LHR

1 stop13h 42mFinnair

Tue 19/808:20LHR - SAT

1 stop15h 24mFinnair

Deal found 28/3£590

Wed 30/410:55SAT - LHR

2 stops16h 00mDelta

Wed 7/509:55LHR - SAT

2 stops16h 31mDelta

Deal found 29/3£596

Wed 23/412:13SAT - LHR

1 stop12h 32mKLM

Tue 29/413:05LHR - SAT

1 stop13h 23mKLM

Deal found 28/3£604

Wed 30/409:35SAT - LHR

3 stops18h 25mMultiple Airlines

Wed 7/509:30LHR - SAT

2 stops17h 04mMultiple Airlines

Deal found 28/3£609

Wed 23/417:20SAT - LHR

2 stops18h 20mLufthansa

Tue 29/406:30LHR - SAT

2 stops22h 29mLufthansa

Deal found 28/3£622

Tue 1/409:04SAT - LHR

2 stops15h 26mAir Canada

Wed 16/409:30LHR - SAT

2 stops17h 04mAir Canada

Deal found 28/3£624

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 29 March 2025.

Mon 15/912:15SAT - LHR

2 stops21h 45mScandinavian Airlines

Wed 15/1010:20LHR - SAT

2 stops19h 06mScandinavian Airlines

Deal found 28/3£530

Mon 12/510:01SAT - LGW

1 stop17h 59mMultiple Airlines

Mon 19/510:00LGW - SAT

2 stops25h 04mMultiple Airlines

Deal found 28/3£554

Mon 12/506:15SAT - LHR

1 stop18h 35mBritish Airways

Tue 19/820:00LHR - SAT

2 stops28h 51mBritish Airways

Deal found 28/3£574

Wed 30/416:16SAT - LHR

1 stop13h 19mUnited Airlines

Wed 7/514:05LHR - SAT

2 stops28h 07mUnited Airlines

Deal found 29/3£586

Mon 12/518:43SAT - LHR

1 stop13h 42mIberia

Tue 19/820:00LHR - SAT

2 stops32h 56mIberia

Deal found 28/3£589

Mon 12/518:43SAT - LHR

1 stop13h 42mFinnair

Tue 19/808:20LHR - SAT

1 stop15h 24mFinnair

Deal found 28/3£590

Wed 30/410:55SAT - LHR

2 stops16h 00mDelta

Wed 7/509:55LHR - SAT

2 stops16h 31mDelta

Deal found 29/3£596

Wed 23/412:13SAT - LHR

1 stop12h 32mKLM

Tue 29/413:05LHR - SAT

1 stop13h 23mKLM

Deal found 28/3£604

Wed 23/417:20SAT - LHR

2 stops18h 20mLufthansa

Tue 29/406:30LHR - SAT

2 stops22h 29mLufthansa

Deal found 28/3£622

Fri 25/417:20SAT - LHR

2 stops55h 15mAir Canada

Sun 4/509:30LHR - SAT

2 stops35h 49mAir Canada

Deal found 27/3£635

Mon 12/518:19SAT - LHR

1 stop13h 11mVirgin Atlantic

Mon 19/511:45LHR - SAT

1 stop16h 30mVirgin Atlantic

Deal found 28/3£657

Tue 8/416:04SAT - LHR

2 stops15h 21mAer Lingus

Sat 19/413:25LHR - SAT

2 stops16h 33mAer Lingus

Deal found 28/3£759

Last-minute flights from San Antonio to London
Discover last-minute flight deals from San Antonio to London. Data last updated 29 March 2025 and is based on user searches.

Tue 1/409:04SAT - LHR

2 stops15h 26mAir Canada

Wed 16/409:30LHR - SAT

2 stops17h 04mAir Canada

Deal found 28/3£624

Thu 3/416:27SAT - LHR

1 stop15h 03mDelta

Wed 9/406:30LHR - SAT

2 stops20h 51mDelta

Deal found 28/3£767

Thu 3/414:32SAT - LHR

1 stop14h 18mFinnair

Wed 9/410:30LHR - SAT

1 stop13h 48mFinnair

Deal found 28/3£770

Thu 3/414:11SAT - LHR

2 stops13h 49mAir Canada

Wed 9/412:40LHR - SAT

2 stops16h 19mAir Canada

Deal found 28/3£778

Thu 3/409:35SAT - LHR

3 stops18h 25mMultiple Airlines

Wed 9/409:30LHR - SAT

2 stops17h 04mMultiple Airlines

Deal found 28/3£782

Thu 3/412:23SAT - LHR

3 stops24h 27mScandinavian Airlines

Wed 9/407:05LHR - SAT

3 stops23h 25mScandinavian Airlines

Deal found 28/3£896

Thu 3/416:45SAT - LHR

1 stop11h 55mLufthansa

Mon 14/419:30LHR - SAT

2 stops28h 19mLufthansa

Deal found 28/3£5,466

Fri 4/412:35SAT - LHR

1 stop18h 10mBritish Airways

Tue 15/416:20LHR - SAT

2 stops33h 26mBritish Airways

Deal found 28/3£4,200

Fri 4/406:02SAT - LCY

2 stops23h 18mMultiple Airlines

Tue 15/406:45LCY - SAT

2 stops23h 13mMultiple Airlines

Deal found 28/3£5,803

Sat 5/418:06SAT - LHR

2 stops33h 54mUnited Airlines

Fri 18/414:05LHR - SAT

2 stops31h 36mUnited Airlines

Deal found 28/3£726

Sun 6/416:04SAT - LHR

2 stops15h 21mAer Lingus

Sat 19/412:00LHR - SAT

2 stops17h 58mAer Lingus

Deal found 28/3£759

Tue 8/417:20SAT - LGW

1 stop34h 40mMultiple Airlines

Sat 19/414:00LGW - SAT

2 stops25h 14mMultiple Airlines

Deal found 28/3£679

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 29 March 2025.

Mon 12/520:31SAT - LGW

1 stop31h 29mMultiple Airlines

Deal found 28/3£224

Mon 7/421:35SAT - LHR

3 stops32h 20mMultiple Airlines

Deal found 28/3£267

Tue 13/506:45SAT - STN

2 stops42h 55mMultiple Airlines

Deal found 28/3£277

Tue 13/506:45SAT - SEN

3 stops34h 20mMultiple Airlines

Deal found 28/3£303

Tue 13/506:45SAT - LCY

2 stops45h 20mMultiple Airlines

Deal found 28/3£335

Fri 16/516:35SAT - LGW

3 stops34h 50mWestJet

Deal found 28/3£366

Mon 7/416:04SAT - LHR

2 stops15h 21mAer Lingus

Deal found 28/3£397

Fri 16/516:00SAT - LHR

2 stops35h 20mScandinavian Airlines

Deal found 28/3£407

Tue 13/513:46SAT - LHR

1 stop17h 24mVirgin Atlantic

Deal found 28/3£419

Mon 19/509:40SAT - LHR

3 stops18h 20mAir Canada

Deal found 28/3£436

Mon 12/512:08SAT - LHR

1 stop12h 37mAir France

Deal found 28/3£440

Wed 14/511:59SAT - LHR

1 stop13h 16mDelta

Deal found 28/3£443

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

10:20-23:26

2 stops19h 06m

£530

San AntonioLondon

SAT - LGW

SATLGW

San Antonio

Mon 12/5

10:01-10:00

1 stop17h 59m

London Gatwick

Mon 19/5

10:00-05:04

2 stops25h 04m

£554

San AntonioLondon

SAT - LHR

SATLHR

San Antonio

Mon 12/5

06:15-06:50

1 stop18h 35m

London Heathrow

Tue 19/8

20:00-18:51

2 stops28h 51m

£574

San AntonioLondon

SAT - LHR

SATLHR

San Antonio

Wed 30/4

16:16-11:35

1 stop13h 19m

London Heathrow

Wed 7/5

14:05-12:12

2 stops28h 07m

£586

San AntonioLondon

SAT - STN

SATSTN

San Antonio

Sun 27/4

19:25-10:40

3 stops33h 15m

London Stansted

Sun 4/5

08:15-10:53

3 stops32h 38m

£586

San AntonioLondon

SAT - LHR

SATLHR

San Antonio

Mon 12/5

18:43-14:25

1 stop13h 42m

London Heathrow

Tue 19/8

20:00-22:56

2 stops32h 56m

£589

San AntonioLondon

SAT - LHR

SATLHR

San Antonio

Mon 12/5

18:43-14:25

1 stop13h 42m

London Heathrow

Tue 19/8

08:20-17:44

1 stop15h 24m

£590

San AntonioLondon

SAT - LHR

SATLHR

San Antonio

Wed 30/4

10:55-08:55

2 stops16h 00m

London Heathrow

Wed 7/5

09:55-20:26

2 stops16h 31m

£596

San AntonioLondon

SAT - LHR

SATLHR

San Antonio

Wed 23/4

12:13-06:45

1 stop12h 32m

London Heathrow

Tue 29/4

13:05-20:28

1 stop13h 23m

£604

San AntonioLondon

SAT - LHR

SATLHR

San Antonio

Wed 30/4

09:35-10:00

3 stops18h 25m

London Heathrow

Wed 7/5

09:30-20:34

2 stops17h 04m

£609

Flights are sorted by cheapest return flights first.

Deals found on 28/3

Showing 1-10 of 49 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 34 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

7,897 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

7,897 reviews

Delta

8.0

Very Good

7,897 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

1,321 reviews

Delta

8.0

Very Good

7,897 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

1,267 reviews

Delta

8.0

Very Good

7,897 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.

Air France

7.4

Good

1,424 reviews

Delta

8.0

Very Good

7,897 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

8,609 reviews

Delta

8.0

Very Good

7,897 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 (£530), British Airways (£574), and United Airlines (£586) offers the cheapest pricing from San Antonio to London. These flights start at 27% 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 WestJet. According to our data, you can fly for as low as £366. Users have also found prices from £397 and £407 on Aer Lingus and Scandinavian Airlines, 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

Hounslow

Deal

Milton Keynes

Gatwick

Croydon

Luton

Slough

Eastbourne

Wembley

Hayes

Ilford

Crawley

Southend-on-Sea

Winchester

Maidstone

Ipswich

Watford

Southall

Dartford

Folkestone

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£599	Average£998	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 £224

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 12/5. 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 April, booked 35 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 29 March 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 29 March 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 21 March 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 29 March 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 29 March 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 29 March 2025.