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$299+ 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 10/20. Fares are subject to change and may not be available on all flights or dates of travel.
SAT — LHR
oct. 17 — oct. 241
vie. 10/17
vie. 10/24
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 septiembre 17, 2025.

Round-trip from

$509
(Air Canada)

One-way from

$299
(Kiwi.com)

Popular in

January

Cheapest in

August

Average price

$739
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. 19% potential increase in price ($234 potential increase over avg. RT price).
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Cheapest flight prices on average. 7% potential price decrease ($69 potential savings vs. average RT price).
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Average for round-trip flights in September 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 septiembre 17, 2025.

This Air Canada deal was found by Cheapflights users on 9/15. 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.
dom. 10/56:45 amSAT - LHR
2 stops17h 45mAir Canada
mar. 10/212:05 pmLHR - SAT
2 stops31h 28mAir Canada
Deal found 9/15$509
This United Airlines deal was found by Cheapflights users on 9/17. 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.
mié. 11/197:07 amSAT - LHR
1 stop17h 33mUnited Airlines
mié. 12/31:25 pmLHR - SAT
2 stops31h 43mUnited Airlines
Deal found 9/17$510
This United Airlines deal was found by Cheapflights users on 9/16. 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.
jue. 9/255:56 pmSAT - LHR
1 stop31h 44mUnited Airlines
dom. 9/286:50 amLHR - SAT
2 stops19h 15mUnited Airlines
Deal found 9/16$513
This Air Canada deal was found by Cheapflights users on 9/16. 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.
sáb. 10/117:38 pmSAT - LHR
2 stops28h 52mAir Canada
mar. 10/212:05 pmLHR - SAT
2 stops27h 53mAir Canada
Deal found 9/16$515
This Air Canada deal was found by Cheapflights users on 9/15. 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.
dom. 10/56:45 amSAT - LHR
2 stops17h 45mAir Canada
vie. 10/244:00 pmLHR - SAT
2 stops29h 25mAir Canada
Deal found 9/15$516
This eDestinos deal was found by Cheapflights users on 9/15. 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 eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 11/43:00 pmSAT - LHR
1 stop11h 35mIberia
jue. 11/202:10 pmLHR - SAT
1 stop13h 39mIberia
Deal found 9/15$519
This Air Canada deal was found by Cheapflights users on 9/15. 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.
sáb. 10/117:38 pmSAT - LHR
2 stops28h 52mAir Canada
vie. 10/244:00 pmLHR - SAT
2 stops29h 25mAir Canada
Deal found 9/15$521
This Delta deal was found by Cheapflights users on 9/15. 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. 10/111:35 amSAT - LHR
1 stop18h 30mDelta
mié. 10/89:00 amLHR - SAT
2 stops19h 42mDelta
Deal found 9/15$524
This Delta deal was found by Cheapflights users on 9/16. 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. 10/712:02 pmSAT - LHR
1 stop13h 13mDelta
mar. 10/2111:30 amLHR - SAT
2 stops17h 12mDelta
Deal found 9/16$525
This United Airlines deal was found by Cheapflights users on 9/15. 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.
mar. 11/42:14 pmSAT - LHR
2 stops14h 51mUnited Airlines
jue. 11/2012:00 pmLHR - SAT
2 stops16h 56mUnited Airlines
Deal found 9/15$526
This Cheapflightsfares deal was found by Cheapflights users on 9/15. 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. 10/86:40 pmSAT - LHR
1 stop13h 45mIberia
mié. 10/2210:30 amLHR - SAT
1 stop15h 13mIberia
Deal found 9/15$527
This Cheapflightsfares deal was found by Cheapflights users on 9/15. 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.
mar. 11/42:14 pmSAT - LCY
2 stops20h 26mLufthansa
jue. 11/209:40 amLCY - SAT
2 stops18h 47mLufthansa
Deal found 9/15$605

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 septiembre 17, 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

lun. 1/12

11:43 am-10:25 am

2 stops16h 42m

London Heathrow

mar. 1/20

6:50 am-8:56 pm

2 stops20h 06m

$526

San AntonioLondon

SAT - LHR

SATLHR

San Antonio

mié. 2/18

2:10 pm-7:30 am

1 stop11h 20m

London Heathrow

lun. 2/23

1:50 pm-8:53 pm

2 stops37h 03m

$527

San AntonioLondon

SAT - LHR

SATLHR

San Antonio

mié. 10/8

11:35 am-8:50 am

2 stops15h 15m

London Heathrow

mié. 10/22

8:40 am-10:42 pm

2 stops20h 02m

$530

San AntonioLondon

SAT - LHR

SATLHR

San Antonio

mar. 10/7

12:02 pm-7:15 am

1 stop13h 13m

London Heathrow

vie. 10/24

9:55 am-11:46 pm

1 stop19h 51m

$532

San AntonioLondon

SAT - LHR

SATLHR

San Antonio

lun. 10/6

5:09 pm-11:45 am

1 stop12h 36m

London Heathrow

mié. 10/22

9:30 am-10:35 pm

2 stops19h 05m

$532

San AntonioLondon

SAT - LHR

SATLHR

San Antonio

dom. 10/5

10:37 am-6:45 am

1 stop14h 08m

London Heathrow

vie. 10/24

11:45 am-10:42 pm

1 stop16h 57m

$532

San AntonioLondon

SAT - LHR

SATLHR

San Antonio

dom. 10/5

4:21 pm-11:35 am

1 stop13h 14m

London Heathrow

mar. 10/21

9:30 am-10:35 pm

2 stops19h 05m

$532

San AntonioLondon

SAT - LHR

SATLHR

San Antonio

lun. 10/6

4:21 pm-11:35 am

1 stop13h 14m

London Heathrow

jue. 10/23

11:25 am-8:55 pm

1 stop15h 30m

$532

San AntonioLondon

SAT - LCY

SATLCY

San Antonio

mié. 2/11

2:36 pm-2:05 pm

2 stops17h 29m

London City

mié. 2/18

7:15 pm-8:27 am

2 stops19h 12m

$549

San AntonioLondon

SAT - LHR

SATLHR

San Antonio

vie. 10/31

5:30 am-7:30 am

1 stop21h 00m

London Heathrow

vie. 11/7

1:25 pm-11:28 pm

2 stops40h 03m

$559

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/16

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 septiembre 17, 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 septiembre 17, 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
7,961 reviews

Comfort

7.9

Boarding

8.2

Food

7.3

Crew

8.5

Entertainment

7.9

Overall

8.0

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
7,961 reviews
Delta
8.0
Very good
7,961 reviews

Comfort

7.9

Boarding

8.2

Food

7.3

Crew

8.5

Entertainment

7.9

Overall

8.0

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
8,926 reviews
Delta
8.0
Very good
7,961 reviews

Comfort

7.9

Boarding

8.2

Food

7.3

Crew

8.5

Entertainment

7.9

Overall

8.0

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
7,961 reviews

Comfort

7.9

Boarding

8.2

Food

7.3

Crew

8.5

Entertainment

7.9

Overall

8.0

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
2,925 reviews
Delta
8.0
Very good
7,961 reviews

Comfort

7.9

Boarding

8.2

Food

7.3

Crew

8.5

Entertainment

7.9

Overall

8.0

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
7,367 reviews
Delta
8.0
Very good
7,961 reviews

Comfort

7.9

Boarding

8.2

Food

7.3

Crew

8.5

Entertainment

7.9

Overall

8.0

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 United Airlines, Delta, and Iberia fly from San Antonio to United Kingdom in about 15h 15m. The time it takes to get you to your destination can typically vary by up to 2h 14m. Airlines will cover a distance of 4967 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 $350 on Scandinavian Airlines. Other airlines that offer cheap prices include KLM from $453 and American Airlines from $458 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 - London City 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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Alternative routes for San Antonio to United Kingdom

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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 septiembre 17, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$530Average$1,067FlexibilityNo cancel feeOn-timeN/A
British AirwaysCheapest$555Average$853FlexibilityNo cancel feeOn-time70%
American AirlinesCheapest$571Average$1,067FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$580Average$983FlexibilityNo cancel feeOn-time69%
Virgin AtlanticCheapest$645Average$1,079FlexibilityNo cancel feeOn-time72%
IberiaCheapest$672Average$1,070FlexibilityNo cancel feeOn-time77%
LufthansaCheapest$743Average$980FlexibilityNo cancel feeOn-time76%

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