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$248+ Cheap flights from San Antonio (SAT) to the United Kingdom

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 12/15. Fares are subject to change and may not be available on all flights or dates of travel.
SAT — LHR
ago. 25 — sep. 11
lun. 8/25
lun. 9/1
1 adult, Economy
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Cheap flight deals from San Antonio to United Kingdom

Keep the following information in mind while searching for San Antonio to United Kingdom flight deals. Data was last updated agosto 20, 2025.

Round-trip from

$511
(Expedia)

One-way from

$248
(Norse)

Popular in

January

Cheapest in

August

Average price

$724
From San Antonio to United Kingdom
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One-way flight from San Antonio to United Kingdom
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Highest demand for flights based on searches. 18% potential increase in price ($212 potential increase over avg. RT price).
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Cheapest flight prices on average. 6% potential price decrease ($56 potential savings vs. average RT price).
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Average for round-trip flights in August 2025
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Find flight deals from San Antonio to United Kingdom

Cheapest flights from San Antonio to United Kingdom
Explore the most affordable flight options available from San Antonio to United Kingdom. Find the lowest fares from popular airlines and budget airlines, with prices last updated on agosto 20, 2025.

This Expedia deal was found by Cheapflights users on 8/19. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 9/1012:44 pmSAT - LHR
1 stop14h 16mIberia
mié. 9/2411:30 amLHR - SAT
2 stops17h 30mIberia
Deal found 8/19$511
This Expedia deal was found by Cheapflights users on 8/20. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 9/106:49 pmSAT - LHR
1 stop13h 36mIberia
mar. 9/168:00 pmLHR - SAT
2 stops33h 00mIberia
Deal found 8/20$521
This Delta deal was found by Cheapflights users on 8/20. 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.
dom. 8/314:31 pmSAT - LHR
1 stop32h 44mDelta
mar. 9/169:20 amLHR - SAT
1 stop16h 56mDelta
Deal found 8/20$522
This Iberia deal was found by Cheapflights users on 8/20. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 11/43:00 pmSAT - LHR
1 stop11h 15mIberia
jue. 11/202:10 pmLHR - SAT
1 stop13h 47mIberia
Deal found 8/20$523
This Gurufare deal was found by Cheapflights users on 8/19. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 9/301:44 pmSAT - LHR
1 stop17h 01mFinnair
mié. 10/158:20 amLHR - SAT
1 stop15h 25mFinnair
Deal found 8/19$524
This Booking.com deal was found by Cheapflights users on 8/18. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 9/105:16 pmSAT - LHR
1 stop13h 29mBritish Airways
mié. 11/192:10 pmLHR - SAT
1 stop13h 47mBritish Airways
Deal found 8/18$525
This Ovago deal was found by Cheapflights users on 8/19. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 9/301:00 pmSAT - LHR
1 stop11h 50mBritish Airways
mar. 10/78:20 amLHR - SAT
1 stop13h 27mBritish Airways
Deal found 8/19$526
This Gurufare deal was found by Cheapflights users on 8/19. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 10/266:39 pmSAT - LHR
1 stop12h 01mBritish Airways
mié. 11/510:15 amLHR - SAT
1 stop13h 47mBritish Airways
Deal found 8/19$527
This Delta deal was found by Cheapflights users on 8/20. 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.
mié. 10/111:26 amSAT - LHR
2 stops15h 24mDelta
mié. 10/89:00 amLHR - SAT
2 stops19h 42mDelta
Deal found 8/20$529
This Cheapflightsfares deal was found by Cheapflights users on 8/20. 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.
mié. 10/11:00 pmSAT - LHR
1 stop11h 50mBritish Airways
mié. 10/812:00 pmLHR - SAT
1 stop13h 43mBritish Airways
Deal found 8/20$531
This Finnair deal was found by Cheapflights users on 8/20. 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 9/101:44 pmSAT - LHR
1 stop17h 01mFinnair
mar. 9/168:20 amLHR - SAT
1 stop15h 27mFinnair
Deal found 8/20$532
This American Airlines deal was found by Cheapflights users on 8/18. 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.
mié. 9/105:16 pmSAT - LHR
1 stop13h 29mAmerican Airlines
mié. 11/192:10 pmLHR - SAT
1 stop13h 47mAmerican Airlines
Deal found 8/18$534

Cheapflights Fare Finder

 
Customize your flight search to find flights from San Antonio to United Kingdom 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 agosto 20, 2025.
Use the filters below to find and compare flights from San Antonio to the United Kingdom that are best for you.

Fly from

San Antonio

Fly to

United Kingdom

Route

Depart

Return

Price

San AntonioLondon

SAT - LHR

SATLHR

San Antonio

mié. 9/10

12:44 pm-9:00 am

1 stop14h 16m

London Heathrow

mié. 9/24

11:30 am-11:00 pm

2 stops17h 30m

$511

San AntonioLondon

SAT - LHR

SATLHR

San Antonio

mié. 9/10

6:49 pm-2:25 pm

1 stop13h 36m

London Heathrow

mar. 9/16

8:00 pm-11:00 pm

2 stops33h 00m

$521

San AntonioLondon

SAT - LHR

SATLHR

San Antonio

dom. 8/31

4:31 pm-7:15 am

1 stop32h 44m

London Heathrow

mar. 9/16

9:20 am-8:16 pm

1 stop16h 56m

$522

San AntonioLondon

SAT - LHR

SATLHR

San Antonio

mié. 9/10

12:44 pm-9:00 am

1 stop14h 16m

London Heathrow

mié. 10/1

6:45 pm-8:51 pm

2 stops32h 06m

$522

San AntonioLondon

SAT - LHR

SATLHR

San Antonio

sáb. 9/6

6:49 pm-9:00 am

1 stop32h 11m

London Heathrow

mié. 10/1

11:30 am-7:45 pm

2 stops38h 15m

$522

San AntonioLondon

SAT - LHR

SATLHR

San Antonio

lun. 9/8

1:44 pm-9:00 am

1 stop13h 16m

London Heathrow

mié. 10/1

8:00 pm-7:45 pm

2 stops29h 45m

$522

San AntonioLondon

SAT - LHR

SATLHR

San Antonio

dom. 9/7

5:18 pm-2:25 pm

1 stop15h 07m

London Heathrow

mié. 10/1

11:30 am-8:51 pm

2 stops39h 21m

$522

San AntonioLondon

SAT - LHR

SATLHR

San Antonio

mar. 9/9

12:44 pm-9:00 am

1 stop14h 16m

London Heathrow

mié. 10/1

3:50 pm-7:45 pm

2 stops33h 55m

$522

San AntonioLondon

SAT - LHR

SATLHR

San Antonio

mié. 1/14

2:36 pm-8:15 am

1 stop11h 39m

London Heathrow

mar. 1/20

8:20 am-5:50 pm

1 stop15h 30m

$524

San AntonioLondon

SAT - LHR

SATLHR

San Antonio

mié. 10/1

11:35 am-8:50 am

1 stop15h 15m

London Heathrow

mié. 10/8

11:30 am-10:42 pm

2 stops17h 12m

$524

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/20

Showing 1-10 of 60 results
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Best time to book a flight from San Antonio to United Kingdom

Have a flexible travel schedule? Discover the best time to fly to United Kingdom 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 the United Kingdom

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

Currently, November is the cheapest month in which you can book a flight from San Antonio to United Kingdom (average of $661). Flying from San Antonio to United Kingdom in June is currently the most expensive (average of $1,097). 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 GB?

Find hourly flight availability from San Antonio to United Kingdom. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated agosto 20, 2025.

When flying from San Antonio to United Kingdom, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Reviews of airlines servicing United Kingdom

Get insights into the airlines that provide service to United Kingdom. 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 United Kingdom. Reviews last updated agosto 20, 2025.
Peruse reviews from past customers who have flown with Delta, United Airlines, and American Airlines from San Antonio to the United Kingdom to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,982 reviews

Crew

8.5

Comfort

7.9

Entertainment

7.9

Overall

8.0

Food

7.3

Boarding

8.2

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
7,982 reviews
Delta
8.0
Very good
7,982 reviews

Crew

8.5

Comfort

7.9

Entertainment

7.9

Overall

8.0

Food

7.3

Boarding

8.2

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
8,928 reviews
Delta
8.0
Very good
7,982 reviews

Crew

8.5

Comfort

7.9

Entertainment

7.9

Overall

8.0

Food

7.3

Boarding

8.2

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!
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,982 reviews

Crew

8.5

Comfort

7.9

Entertainment

7.9

Overall

8.0

Food

7.3

Boarding

8.2

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!
Iberia
7.0
Good
2,883 reviews
Delta
8.0
Very good
7,982 reviews

Crew

8.5

Comfort

7.9

Entertainment

7.9

Overall

8.0

Food

7.3

Boarding

8.2

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!
British Airways
6.7
Okay
7,289 reviews
Delta
8.0
Very good
7,982 reviews

Crew

8.5

Comfort

7.9

Entertainment

7.9

Overall

8.0

Food

7.3

Boarding

8.2

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 United Kingdom. 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 United Kingdom?

    If you book a flight to United Kingdom from San Antonio, you will be flying from San Antonio, which is the city’s only airport. San Antonio (SAT) is located 7.6 mi from the center of San Antonio.

  • How long is the flight from San Antonio to United Kingdom?

    Airlines like Iberia, American Airlines, and United Airlines fly from San Antonio to United Kingdom in about 13h 20m. The time it takes to get you to your destination can typically vary by up to 3h 15m. Airlines will cover a distance of 4735 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What are the cheapest airlines to fly from San Antonio to United Kingdom one-way?

    One-way options have recently been found by users for as low as $440 on British Airways. Other airlines that offer cheap prices include American Airlines from $464 and KLM from $468 one-way.

  • What are the most popular routes from San Antonio to United Kingdom?

    Most travelers choose San Antonio - London Heathrow, San Antonio - London Gatwick or San Antonio - Edinburgh Turnhouse when deciding on the best route from San Antonio to United Kingdom.

  • Can I find deals for flights from San Antonio to United Kingdom that include hotel bookings?

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

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

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

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

    Yes. Cheapflights offers flight deals from San Antonio to United Kingdom 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 United Kingdom?

    Currently, November is the cheapest month in which you can book a flight from San Antonio to United Kingdom (average of $661). Flying from San Antonio to United Kingdom in June is currently the most expensive (average of $1,097). 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

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Top 7 airlines flying from San Antonio to United Kingdom

Discover the top 7 airlines that operate flights from San Antonio to United Kingdom. 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 agosto 20, 2025.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest$555Average$846FlexibilityNo cancel feeOn-time70%
American AirlinesCheapest$611Average$1,079FlexibilityNo cancel feeOn-time71%
DeltaCheapest$649Average$1,071FlexibilityNo cancel feeOn-timeN/A
IberiaCheapest$672Average$988FlexibilityNo cancel feeOn-time77%
Virgin AtlanticCheapest$688Average$1,123FlexibilityNo cancel feeOn-time72%
United AirlinesCheapest$698Average$1,007FlexibilityNo cancel feeOn-time69%
LufthansaCheapest$921Average$980FlexibilityNo cancel feeOn-time76%

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