London

$252+ Cheap flights from San Antonio (SAT) to London (LON)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 7/9. Fares are subject to change and may not be available on all flights or dates of travel.
SAT — LON
jun. 17 — jun. 241
We work with more than 300 partners to bring you better travel deals

Find cheap flights from San Antonio to London with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

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

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

Cheap flight deals from San Antonio to London

Discover tips and strategies to find the most affordable flight options for your journey from San Antonio (SAT) to London (LON). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated junio 12, 2025.

Round-trip from

$625
(Cheapflightsfares)

One-way from

$252
(Mytrip)

Popular in

January

Cheapest in

February

Average price

$1,207
From San Antonio to London (LON)
One-way flight from San Antonio to London (LON)
Highest demand for flights based on searches. 13% potential increase in price ($151 potential increase over avg. RT price).
Cheapest flight prices on average. 3% potential price decrease ($36 potential savings vs. average RT price).
Average for round-trip flights in June 2025

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 junio 12, 2025.

This Norse deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Norse is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 9/135:20 amSAT - LGW
1 stop22h 40mMultiple Airlines
vie. 9/192:00 pmLGW - SAT
1 stop15h 25mMultiple Airlines
Deal found 6/10$640
This Orbitz deal was found by Cheapflights users on 6/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 10/136:43 pmSAT - LHR
1 stop13h 42mBritish Airways
lun. 10/208:00 pmLHR - SAT
2 stops30h 02mBritish Airways
Deal found 6/12$640
This Cheapflightsfares deal was found by Cheapflights users on 6/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 9/156:29 pmSAT - LHR
1 stop11h 46mIberia
mié. 10/152:25 pmLHR - SAT
1 stop15h 32mIberia
Deal found 6/12$675
This AirNGo deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure AirNGo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 7/64:27 pmSAT - LHR
1 stop15h 03mVirgin Atlantic
mar. 7/221:05 pmLHR - SAT
1 stop17h 09mVirgin Atlantic
Deal found 6/11$693
This United Airlines deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 7/67:30 amSAT - LHR
1 stop18h 10mUnited Airlines
mar. 7/229:30 amLHR - SAT
2 stops20h 29mUnited Airlines
Deal found 6/10$699
This Scandinavian Airlines deal was found by Cheapflights users on 6/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 9/3012:15 pmSAT - LHR
2 stops21h 45mScandinavian Airlines
vie. 10/1710:20 amLHR - SAT
2 stops19h 01mScandinavian Airlines
Deal found 6/12$701
This KLM deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 7/136:20 pmSAT - LHR
1 stop13h 10mKLM
mar. 7/2911:45 amLHR - SAT
1 stop16h 33mKLM
Deal found 6/10$704
This American Airlines deal was found by Cheapflights users on 6/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 9/2711:25 amSAT - LGW
2 stops17h 15mAmerican Airlines
sáb. 10/412:20 pmLGW - SAT
2 stops17h 35mAmerican Airlines
Deal found 6/12$714
This Delta deal was found by Cheapflights users on 6/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 7/812:24 pmSAT - LHR
2 stops14h 51mDelta
vie. 8/16:30 amLHR - SAT
2 stops16h 42mDelta
Deal found 6/12$727
This Air Canada deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 9/27:15 amSAT - LHR
2 stops20h 20mAir Canada
mar. 9/168:30 amLHR - SAT
2 stops32h 07mAir Canada
Deal found 6/10$734
This Lufthansa deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 9/111:45 amSAT - LHR
2 stops20h 55mLufthansa
mar. 9/166:30 amLHR - SAT
2 stops20h 03mLufthansa
Deal found 6/10$763
This Cheapflightsfares deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 9/155:15 pmSAT - LCY
2 stops17h 10mLufthansa
mié. 10/157:10 pmLCY - SAT
2 stops32h 19mLufthansa
Deal found 6/11$802

Cheapflights Fare Finder

Customize your flight search to find flights from San Antonio to London that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated junio 12, 2025.
Use the filters below to find and compare flights from San Antonio to London that are best for you.

Fly from

San Antonio

Fly to

London

Route

Depart

Return

Price

San AntonioLondon

SAT - LGW

SATLGW

San Antonio

sáb. 9/13

5:20 am-10:00 am

1 stop22h 40m

London Gatwick

vie. 9/19

2:00 pm-11:25 pm

1 stop15h 25m

$640

San AntonioLondon

SAT - LHR

SATLHR

San Antonio

mar. 8/12

3:00 pm-10:30 am

1 stop13h 30m

London Heathrow

sáb. 8/23

4:25 pm-10:59 pm

1 stop12h 34m

$673

San AntonioLondon

SAT - LHR

SATLHR

San Antonio

dom. 7/6

4:27 pm-1:30 pm

1 stop15h 03m

London Heathrow

mar. 7/22

1:05 pm-12:14 am

1 stop17h 09m

$693

San AntonioLondon

SAT - LHR

SATLHR

San Antonio

dom. 7/6

7:30 am-7:40 am

1 stop18h 10m

London Heathrow

mar. 7/22

9:30 am-11:59 pm

2 stops20h 29m

$699

San AntonioLondon

SAT - LHR

SATLHR

San Antonio

dom. 7/13

6:20 pm-1:30 pm

1 stop13h 10m

London Heathrow

mar. 7/29

11:45 am-10:18 pm

1 stop16h 33m

$704

San AntonioLondon

SAT - LHR

SATLHR

San Antonio

dom. 8/31

1:08 pm-12:15 pm

1 stop17h 07m

London Heathrow

mié. 9/17

6:30 am-11:00 pm

2 stops22h 30m

$708

San AntonioLondon

SAT - LGW

SATLGW

San Antonio

sáb. 9/27

11:25 am-10:40 am

2 stops17h 15m

London Gatwick

sáb. 10/4

12:20 pm-11:55 pm

2 stops17h 35m

$714

San AntonioLondon

SAT - LHR

SATLHR

San Antonio

mar. 7/8

12:24 pm-9:15 am

2 stops14h 51m

London Heathrow

vie. 8/1

6:30 am-5:12 pm

2 stops16h 42m

$727

San AntonioLondon

SAT - LHR

SATLHR

San Antonio

mar. 9/2

6:48 am-9:35 am

2 stops20h 47m

London Heathrow

mié. 9/17

2:05 pm-4:18 pm

2 stops32h 13m

$728

San AntonioLondon

SAT - LHR

SATLHR

San Antonio

mié. 9/3

11:33 am-4:00 pm

2 stops22h 27m

London Heathrow

mié. 9/17

7:05 am-12:05 am

3 stops23h 00m

$741

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/12

Showing 1-10 of 41 results
1
2
3
...
5

Best time to book a flight from San Antonio to London

Have a flexible travel schedule? Discover the best time to fly to London from San Antonio with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from San Antonio to London

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

Use this chart to determine the optimal time to book a round-trip flight from San Antonio to London. Price data was last updated on June 9, 2025.

Booking 81 days in advance of your planned departure date is, on average, the best time to get cheap flights from San Antonio to London. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

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

Currently, November is the cheapest month in which you can book a flight from San Antonio to London (average of $661). Flying from San Antonio to London in June is currently the most expensive (average of $1,108). 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?

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 junio 12, 2025.

A simple way to save on the total cost of your ticket is to fly from San Antonio to London in the evening. If you’re flexible enough to do this you can expect to save up to 16% on your trip compared to booking a flight in the morning.

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

Use this chart to determine the cheapest time to fly round-trip from San Antonio to London. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their San Antonio to London flight should consider departing on Wednesday afternoons when fares are most often at their lowest. Sunday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

Rainfall in London by month

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

In terms of precipitation, rainfall in London ranges from 1.6 - 2.8 inches per month. January is typically the wettest month, when rainfall can reach 2.8 in. July is typically the driest time to visit London when rainfall is around 1.6 in.

Temperature in London by month

Plan your trip to London by taking into account the average temperature totals 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 62.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 39.2 F).

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 junio 12, 2025.
Read through reviews of airlines operating flights from San Antonio to London, such as Delta, KLM and Air France. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
8.0
Very good

Overall

8.0

Entertainment

7.9

Food

7.3

Boarding

8.2

Comfort

7.9

Crew

8.5

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!
8.0
Very good
8.0
Very good

Overall

8.0

Entertainment

7.9

Food

7.3

Boarding

8.2

Comfort

7.9

Crew

8.5

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!
8.0
Very good

Overall

8.0

Entertainment

7.9

Food

7.3

Boarding

8.2

Comfort

7.9

Crew

8.5

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!
8.0
Very good

Overall

8.0

Entertainment

7.9

Food

7.3

Boarding

8.2

Comfort

7.9

Crew

8.5

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!
8.0
Very good

Overall

8.0

Entertainment

7.9

Food

7.3

Boarding

8.2

Comfort

7.9

Crew

8.5

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!
8.0
Very good

Overall

8.0

Entertainment

7.9

Food

7.3

Boarding

8.2

Comfort

7.9

Crew

8.5

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

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?

    Most people fly from San Antonio (SAT) if they book a flight from San Antonio to London. On average, San Antonio has 0 outbound flights to London per day from 6 airlines. San Antonio is conveniently located just 7.6 mi from San Antonio’s city center.

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

    According to our current data, British Airways ($625), United Airlines ($629), and Air Canada ($635) 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 Air Canada. According to our data, you can fly for as low as $406. Users have also found prices from $410 and $454 on United Airlines and Scandinavian Airlines, respectively.

  • 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?

    Yes. In addition to deals on San Antonio to London flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from San Antonio to London?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from San Antonio to London.

  • Can I find deals for business class flights from San Antonio to London?

    Yes. Cheapflights offers flight deals from San Antonio to London by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

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

    Currently, November is the cheapest month in which you can book a flight from San Antonio to London (average of $661). Flying from San Antonio to London in June is currently the most expensive (average of $1,108). 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

Traveling to a place near San Antonio?

Book flights to San Antonio if you plan to visit one of these locations
Hayes
Hounslow
Thornton Heath
Luton
Canterbury
Harrow
Dover
Gatwick
Orpington
Watford
Croydon
Folkestone
Borehamwood
Sutton
Aylesbury
Chelmsford
Brentwood
Chichester
Wembley
Arundel

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for San Antonio to London

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

Top 6 airlines flying from San Antonio to London

Discover the top 6 airlines that operate flights from San Antonio to London. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated junio 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$615Average$904FlexibilityNo cancel feeOn-time71%
Virgin AtlanticCheapest$645Average$1,152FlexibilityNo cancel feeOn-time72%
DeltaCheapest$649Average$1,086FlexibilityNo cancel feeOn-timeN/A
IberiaCheapest$672Average$910FlexibilityNo cancel feeOn-time77%
United AirlinesCheapest$692Average$910FlexibilityNo cancel feeOn-time69%
British AirwaysCheapest$702Average$915FlexibilityNo cancel feeOn-time70%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.