What is the cheapest airline that flies from San Antonio to United Kingdom?

Delta, United Airlines, and Lufthansa are the most popular carriers operating from San Antonio to United Kingdom

What airlines fly to United Kingdom?

British Airways, American Airlines and United Airlines are the top three most popular airlines that fly to United Kingdom from San Antonio according to our data. British Airways is the first choice among our users, with 66% of people opting to fly with this airline when traveling to United Kingdom. Keep in mind that there are 9 different airlines that fly to United Kingdom on a routine basis, so you have a few additional options to choose from.

When did momondo last update prices for flights from San Antonio Airport to United Kingdom?

Prices for flights from San Antonio Airport to United Kingdom refresh daily.

How many operators does momondo search for flights from San Antonio Airport to United Kingdom?

As of November 2026, there are 5 operators available to choose from for flights from San Antonio Airport to United Kingdom.

How old do you have to be to fly from San Antonio Airport to United Kingdom?

The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from San Antonio Airport to United Kingdom.

What documentation or ID do you need to fly to United Kingdom?

The travel and health documents required for your trip to United Kingdom can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at United Kingdom. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

$327 Cheap Flights from San Antonio to the United Kingdom in 2026/27

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from San Antonio to the United Kingdom

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

7:00 pm - 5:15 pmSAT San Antonio-BHX Birmingham

40h 15m2 stops Houston George Bush Intcntl Frankfurt am Main

5:50 am - 5:33 pmBHX Birmingham-SAT San Antonio

41h 43m3 stops Frankfurt am Main San Francisco Houston George Bush Intcntl

$796United Airlines

Sun, Mar 28 - Wed, Mar 31

5:55 pm - 5:15 pmSAT San Antonio-BHX Birmingham

41h 20m2 stops Houston George Bush Intcntl Frankfurt am Main

5:50 am - 8:10 pmBHX Birmingham-SAT San Antonio

20h 20m2 stops Frankfurt am Main Washington, D.C. Dulles Intl

$796United Airlines

Sun, Mar 28 - Wed, Mar 31

11:35 am - 9:25 amSAT San Antonio-LHR London Heathrow

15h 50m1 stop Dallas/Fort Worth

11:30 am - 10:52 pmLHR London Heathrow-SAT San Antonio

17h 22m2 stops Madrid Barajas Dallas/Fort Worth

$856Iberia

Wed, May 5 - Wed, May 12

1:28 pm - 2:45 pmSAT San Antonio-EDI Edinburgh Turnhouse

19h 17m2 stops Chicago O'Hare Intl London Heathrow

12:40 pm - 12:01 amEDI Edinburgh Turnhouse-SAT San Antonio

17h 21m2 stops London Heathrow Chicago O'Hare Intl

$861British Airways

Mon, May 10 - Thu, May 20

6:35 am - 7:10 amSAT San Antonio-LHR London Heathrow

18h 35m2 stops Chicago O'Hare Intl Montreal Pierre Elliott Trudeau Intl

7:40 am - 9:13 pmLHR London Heathrow-SAT San Antonio

18h 33m2 stops Munich Franz Josef Strauss Denver Intl

$865Multiple Airlines

Wed, Mar 3 - Thu, Mar 25

2:32 pm - 10:25 amSAT San Antonio-LHR London Heathrow

13h 53m1 stop Chicago O'Hare Intl

8:20 am - 6:26 pmLHR London Heathrow-SAT San Antonio

15h 06m1 stop Dallas/Fort Worth

$892British Airways

Wed, Mar 3 - Thu, Mar 25

12:45 pm - 7:30 amSAT San Antonio-LHR London Heathrow

12h 45m1 stop Boston Logan Intl

8:40 am - 9:32 pmLHR London Heathrow-SAT San Antonio

18h 52m2 stops Amsterdam Schiphol Minneapolis St Paul

$897Delta

Wed, Apr 7 - Wed, Apr 14

4:40 pm - 6:25 amSAT San Antonio-LHR London Heathrow

31h 45m1 stop Atlanta Hartsfield-Jackson

8:10 pm - 11:51 amLHR London Heathrow-SAT San Antonio

20h 41m1 stop New York John F Kennedy Intl

$916Virgin Atlantic

Sat, Mar 6 - Sun, Mar 14

4:40 pm - 6:25 amSAT San Antonio-LHR London Heathrow

31h 45m1 stop Atlanta Hartsfield-Jackson

8:55 am - 10:27 pmLHR London Heathrow-SAT San Antonio

18h 32m1 stop Atlanta Hartsfield-Jackson

$926Virgin Atlantic

Sat, Mar 6 - Mon, Mar 15

6:00 am - 7:05 amSAT San Antonio-LHR London Heathrow

19h 05m1 stop Minneapolis St Paul

10:00 am - 12:45 amLHR London Heathrow-SAT San Antonio

20h 45m2 stops Amsterdam Schiphol Atlanta Hartsfield-Jackson

$927Delta

Wed, Dec 30 - Wed, Jan 13

Cheap last minute flights

Enter your travel dates to find the best prices.

7:20 am - 11:50 amSAT San Antonio-LHR London Heathrow

22h 30m2 stops San Francisco Vancouver Intl

6:50 am - 11:34 pmLHR London Heathrow-SAT San Antonio

22h 44m2 stops Brussels Bruxelles-National Chicago O'Hare Intl

$969United Airlines

Wed, Nov 18 - Tue, Nov 24

11:22 am - 8:15 amSAT San Antonio-LHR London Heathrow

14h 53m1 stop Dallas/Fort Worth

7:30 am - 9:14 pmLHR London Heathrow-SAT San Antonio

19h 44m2 stops Madrid Barajas Dallas/Fort Worth

$969Iberia

Tue, Nov 17 - Tue, Nov 24

11:22 am - 8:15 amSAT San Antonio-LHR London Heathrow

14h 53m1 stop Dallas/Fort Worth

7:30 am - 9:14 pmLHR London Heathrow-SAT San Antonio

19h 44m2 stops Madrid Barajas Dallas/Fort Worth

$970Iberia

Tue, Nov 17 - Tue, Nov 24

11:45 am - 7:45 amSAT San Antonio-LHR London Heathrow

14h 00m1 stop Detroit Metropolitan Wayne County

11:45 am - 10:54 pmLHR London Heathrow-SAT San Antonio

17h 09m2 stops Amsterdam Schiphol Detroit Metropolitan Wayne County

$973Delta

Wed, Nov 18 - Tue, Nov 24

11:45 am - 9:00 amSAT San Antonio-LHR London Heathrow

15h 15m2 stops Detroit Metropolitan Wayne County Atlanta Hartsfield-Jackson

6:30 am - 5:25 pmLHR London Heathrow-SAT San Antonio

16h 55m2 stops Amsterdam Schiphol Atlanta Hartsfield-Jackson

$977Virgin Atlantic

Tue, Nov 17 - Tue, Nov 24

12:57 pm - 10:30 amSAT San Antonio-LHR London Heathrow

15h 33m2 stops New York John F Kennedy Intl Paris Charles de Gaulle

8:40 am - 9:26 pmLHR London Heathrow-SAT San Antonio

18h 46m2 stops Amsterdam Schiphol Minneapolis St Paul

$978Delta

Tue, Nov 17 - Tue, Nov 24

2:55 pm - 8:15 amSAT San Antonio-LHR London Heathrow

11h 20m1 stop Dallas/Fort Worth

1:50 pm - 9:14 pmLHR London Heathrow-SAT San Antonio

13h 24m1 stop Dallas/Fort Worth

$997British Airways

Tue, Nov 17 - Tue, Nov 24

12:24 pm - 6:40 amSAT San Antonio-LHR London Heathrow

12h 16m1 stop Washington, D.C. Dulles Intl

10:00 am - 9:26 pmLHR London Heathrow-SAT San Antonio

17h 26m1 stop Houston George Bush Intcntl

$1,003United Airlines

Wed, Nov 18 - Tue, Nov 24

7:15 am - 8:35 amSAT San Antonio-LHR London Heathrow

19h 20m1 stop Chicago O'Hare Intl

6:10 pm - 6:11 pmLHR London Heathrow-SAT San Antonio

30h 01m2 stops Helsinki-Vantaa Dallas/Fort Worth

$1,024British Airways

Wed, Nov 18 - Sun, Jan 10

7:20 am - 11:50 amSAT San Antonio-LHR London Heathrow

22h 30m2 stops San Francisco Vancouver Intl

9:30 am - 8:45 pmLHR London Heathrow-SAT San Antonio

41h 15m2 stops Frankfurt am Main Denver Intl

$1,052United Airlines

Wed, Nov 18 - Sun, Jan 10

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United Airlines flights from San Antonio to United Kingdom

Our best United Airlines deals on San Antonio to United Kingdom flight tickets

United Airlines

Mar 28

SAT5:55 pmSan Antonio

41h 20m

2 stops

BHX5:15 pmBirmingham

Mar 31

BHX5:50 amBirmingham

20h 20m

2 stops

SAT8:10 pmSan Antonio

$796

United Airlines

Mar 28

SAT5:00 pmSan Antonio

42h 15m

2 stops

BHX5:15 pmBirmingham

Mar 31

BHX5:50 amBirmingham

32h 58m

2 stops

SAT8:48 amSan Antonio

$801

United Airlines

Mar 28

SAT2:01 pmSan Antonio

37h 29m

2 stops

BHX9:30 amBirmingham

Mar 31

BHX5:50 amBirmingham

21h 17m

2 stops

SAT9:07 pmSan Antonio

$802

Iberia flights from San Antonio to United Kingdom

Our best Iberia deals on San Antonio to United Kingdom flight tickets

Iberia

May 5

SAT11:35 amSan Antonio

15h 50m

1 stop

LHR9:25 amLondon Heathrow

May 12

LHR11:30 amLondon Heathrow

17h 22m

2 stops

SAT10:52 pmSan Antonio

$856

Iberia

May 10

SAT5:45 pmSan Antonio

12h 25m

1 stop

LHR12:10 pmLondon Heathrow

May 17

LHR4:30 pmLondon Heathrow

37h 31m

2 stops

SAT12:01 amSan Antonio

$867

Iberia

Feb 22

SAT12:46 pmSan Antonio

12h 04m

1 stop

LHR6:50 amLondon Heathrow

Mar 1

LHR7:40 pmLondon Heathrow

18h 34m

2 stops

SAT8:14 amSan Antonio

$888

momondo Fare Finder

Use the filters below to find and compare flights from San Antonio to the United Kingdom that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

San AntonioBirmingham

SAT San Antonio - BHX Birmingham

SATBHX

San Antonio

Sun 3/28

7:00 pm-5:15 pm

2 stops40h 15m

Birmingham

Wed 3/31

5:50 am-5:33 pm

3 stops41h 43m

$796

San AntonioBirmingham

SAT San Antonio - BHX Birmingham

SATBHX

San Antonio

Sun 3/28

5:55 pm-5:15 pm

2 stops41h 20m

Birmingham

Wed 3/31

5:50 am-8:10 pm

2 stops20h 20m

$796

San AntonioLondon

SAT San Antonio - LHR London Heathrow

SATLHR

San Antonio

Wed 5/5

11:35 am-9:25 am

1 stop15h 50m

London Heathrow

Wed 5/12

11:30 am-10:52 pm

2 stops17h 22m

$856

San AntonioEdinburgh

SAT San Antonio - EDI Edinburgh Turnhouse

SATEDI

San Antonio

Mon 5/10

1:28 pm-2:45 pm

2 stops19h 17m

Edinburgh Turnhouse

Thu 5/20

12:40 pm-12:01 am

2 stops17h 21m

$861

San AntonioLondon

SAT San Antonio - LHR London Heathrow

SATLHR

San Antonio

Wed 3/3

6:35 am-7:10 am

2 stops18h 35m

London Heathrow

Thu 3/25

7:40 am-9:13 pm

2 stops18h 33m

$865

Quickest round-trip

San AntonioLondon

SAT San Antonio - LHR London Heathrow

SATLHR

San Antonio

Wed 3/3

2:32 pm-10:25 am

1 stop13h 53m

London Heathrow

Thu 3/25

8:20 am-6:26 pm

1 stop15h 06m

$892

San AntonioLondon

SAT San Antonio - LHR London Heathrow

SATLHR

San Antonio

Wed 4/7

12:45 pm-7:30 am

1 stop12h 45m

London Heathrow

Wed 4/14

8:40 am-9:32 pm

2 stops18h 52m

$897

San AntonioLondon

SAT San Antonio - LHR London Heathrow

SATLHR

San Antonio

Sat 3/6

4:40 pm-6:25 am

1 stop31h 45m

London Heathrow

Sun 3/14

8:10 pm-11:51 am

1 stop20h 41m

$916

San AntonioLondon

SAT San Antonio - LHR London Heathrow

SATLHR

San Antonio

Sat 3/6

4:40 pm-6:25 am

1 stop31h 45m

London Heathrow

Mon 3/15

8:55 am-10:27 pm

1 stop18h 32m

$926

San AntonioLondon

SAT San Antonio - LHR London Heathrow

SATLHR

San Antonio

Wed 12/30

6:00 am-7:05 am

1 stop19h 05m

London Heathrow

Wed 1/13

10:00 am-12:45 am

2 stops20h 45m

$927

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from San Antonio to United Kingdom

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

What is the cheapest month to fly to United Kingdom?

In general, February is the cheapest month to fly from San Antonio to United Kingdom. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $672. If you aren’t able to travel to United Kingdom during the month of February, then flying in March is also cheap. Prices for this month can be found on momondo for an average of $869.

How far in advance should I book a flight from San Antonio to the United Kingdom?

You are more likely to see cheaper flights to United Kingdom from San Antonio when booking weeks ahead of your departure date. In general, you can expect to find flights to United Kingdom for around $1,032 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to United Kingdom from San Antonio for as low as $825 on momondo.

Can stopping save me money on San Antonio to United Kingdom flights?

You could potentially save up to 3% on your flight if you consider stops on a San Antonio to United Kingdom flight.

Cheap San Antonio to United Kingdom flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from San Antonio to United Kingdom

Best Price Found	$327
Fastest flight time	11h 20m
Direct flights	None

The best one-way flight to United Kingdom from San Antonio in the past 72 hours is $327. The best round-trip flight deal from San Antonio to United Kingdom found on momondo in the last 72 hours is $796.

The fastest flight from San Antonio to United Kingdom takes 11h 20m

There are no direct flights from San Antonio to United Kingdom. There are no popular flight routes from San Antonio to United Kingdom.

Search flight deals

Frequently asked questions about flying from San Antonio to the United Kingdom

When did momondo last update prices for flights from San Antonio Airport to United Kingdom?
Prices for flights from San Antonio Airport to United Kingdom refresh daily.
How many operators does momondo search for flights from San Antonio Airport to United Kingdom?
As of November 2026, there are 5 operators available to choose from for flights from San Antonio Airport to United Kingdom.
How old do you have to be to fly from San Antonio Airport to United Kingdom?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from San Antonio Airport to United Kingdom.
What documentation or ID do you need to fly to United Kingdom?
The travel and health documents required for your trip to United Kingdom can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at United Kingdom. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Best airlines flying from San Antonio to United Kingdom

Compare and see reviews for airlines that fly from San Antonio to United Kingdom with momondo

Airline	Rating	Free Cancellation	Price
Virgin Atlantic	PriceFrom $527	Free Cancellation	Rating 7.5 698 reviews	Search Virgin Atlantic flights
Delta	PriceFrom $596	Free Cancellation	Rating 7.8 8,719 reviews	Search Delta flights
American Airlines	PriceFrom $652	Free Cancellation	Rating 7.0 12,233 reviews	Search American Airlines flights
United Airlines	PriceFrom $653	Free Cancellation	Rating 7.3 10,493 reviews	Search United Airlines flights
British Airways	PriceFrom $724	Free Cancellation	Rating 6.7 8,283 reviews	Search British Airways flights

Why use momondo?

Why should I use momondo to find a flight deal from San Antonio to United Kingdom?

It is quick and easy to find San Antonio to United Kingdom flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to United Kingdom that suits you.

Can I find flights from San Antonio to United Kingdom with flexible booking policies on momondo?

Flights from San Antonio to United Kingdom with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from San Antonio to United Kingdom?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from San Antonio to United Kingdom.

I’m not ready to book a flight from San Antonio to United Kingdom right now. Can momondo alert me if prices change?

Price alerts on flights to United Kingdom from San Antonio are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.