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

United Airlines, Delta, and Aer Lingus 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 64% 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 September 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.

$332 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.

7:54 pm - 6:35 pmSAT San Antonio-EDI Edinburgh Turnhouse

16h 41m2 stops Dallas/Fort Worth London Heathrow

11:25 am - 9:36 pmEDI Edinburgh Turnhouse-SAT San Antonio

16h 11m1 stop Philadelphia

$710American Airlines

Mon, Oct 12 - Wed, Oct 21

6:00 pm - 4:05 pmSAT San Antonio-EDI Edinburgh Turnhouse

16h 05m2 stops Charlotte Douglas London Heathrow

11:25 am - 9:36 pmEDI Edinburgh Turnhouse-SAT San Antonio

16h 11m1 stop Philadelphia

$710American Airlines

Wed, Oct 14 - Wed, Oct 21

2:55 pm - 5:15 pmSAT San Antonio-MAN Manchester

20h 20m2 stops Dallas/Fort Worth Helsinki-Vantaa

6:00 pm - 7:22 pmMAN Manchester-SAT San Antonio

31h 22m2 stops Helsinki-Vantaa Dallas/Fort Worth

$714Finnair

Tue, Nov 3 - Tue, Nov 10

11:50 am - 7:45 amSAT San Antonio-LHR London Heathrow

13h 55m1 stop Detroit Metropolitan Wayne County

10:55 am - 11:35 pmLHR London Heathrow-SAT San Antonio

18h 40m1 stop Los Angeles

$717Virgin Atlantic

Sun, Dec 6 - Tue, Dec 22

4:28 pm - 12:50 pmSAT San Antonio-LHR London Heathrow

14h 22m1 stop Dallas/Fort Worth

8:25 am - 9:08 pmLHR London Heathrow-SAT San Antonio

18h 43m2 stops Madrid Barajas Dallas/Fort Worth

$719Iberia

Tue, Oct 13 - Tue, Nov 3

7:00 am - 10:35 amSAT San Antonio-EDI Edinburgh Turnhouse

21h 35m1 stop Washington, D.C. Dulles Intl

11:30 am - 10:50 pmEDI Edinburgh Turnhouse-SAT San Antonio

17h 20m1 stop Chicago O'Hare Intl

$720United Airlines

Wed, Oct 14 - Wed, Oct 21

6:00 am - 8:05 amSAT San Antonio-EDI Edinburgh Turnhouse

20h 05m1 stop Newark

12:30 pm - 8:38 pmEDI Edinburgh Turnhouse-SAT San Antonio

14h 08m1 stop Washington, D.C. Dulles Intl

$720United Airlines

Mon, Oct 12 - Wed, Oct 21

12:46 pm - 6:20 amSAT San Antonio-LHR London Heathrow

11h 34m1 stop Dallas/Fort Worth

7:30 am - 10:56 pmLHR London Heathrow-SAT San Antonio

21h 26m2 stops Madrid Barajas Dallas/Fort Worth

$727British Airways

Mon, Oct 19 - Fri, Dec 11

3:00 pm - 9:05 amSAT San Antonio-LHR London Heathrow

12h 05m1 stop Dallas/Fort Worth

7:30 am - 12:04 amLHR London Heathrow-SAT San Antonio

22h 34m2 stops Madrid Barajas Dallas/Fort Worth

$727British Airways

Sun, Oct 18 - Fri, Dec 11

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

19h 05m1 stop Minneapolis St Paul

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

16h 55m2 stops Amsterdam Schiphol Atlanta Hartsfield-Jackson

$743Virgin Atlantic

Wed, Nov 4 - Wed, Nov 18

Cheap last minute flights

Enter your travel dates to find the best prices.

11:36 am - 7:10 amSAT San Antonio-LHR London Heathrow

13h 34m1 stop Detroit Metropolitan Wayne County

10:45 am - 11:07 pmLHR London Heathrow-SAT San Antonio

18h 22m1 stop Detroit Metropolitan Wayne County

$739KLM

Sun, Sep 27 - Tue, Oct 13

7:00 am - 6:30 amSAT San Antonio-LHR London Heathrow

17h 30m2 stops Washington, D.C. Dulles Intl Montreal Pierre Elliott Trudeau Intl

8:25 pm - 10:13 pmLHR London Heathrow-SAT San Antonio

31h 48m2 stops Munich Franz Josef Strauss Toronto Pearson Intl

$744Multiple Airlines

Sun, Sep 27 - Tue, Oct 13

7:00 am - 6:30 amSAT San Antonio-LHR London Heathrow

17h 30m2 stops Washington, D.C. Dulles Intl Montreal Pierre Elliott Trudeau Intl

5:40 pm - 10:13 pmLHR London Heathrow-SAT San Antonio

34h 33m1 stop Toronto Pearson Intl

$747Multiple Airlines

Sun, Sep 27 - Tue, Oct 13

7:35 am - 7:55 amSAT San Antonio-LHR London Heathrow

18h 20m1 stop Houston George Bush Intcntl

6:50 am - 10:50 pmLHR London Heathrow-SAT San Antonio

22h 00m2 stops Brussels Bruxelles-National Chicago O'Hare Intl

$792United Airlines

Fri, Sep 25 - Wed, Sep 30

11:47 am - 11:35 amSAT San Antonio-LHR London Heathrow

17h 48m1 stop Houston George Bush Intcntl

12:05 pm - 9:13 pmLHR London Heathrow-SAT San Antonio

15h 08m1 stop Toronto Pearson Intl

$801United Airlines

Fri, Sep 25 - Wed, Sep 30

12:15 pm - 6:55 amSAT San Antonio-LHR London Heathrow

12h 40m1 stop Charlotte Douglas

2:45 pm - 9:59 pmLHR London Heathrow-SAT San Antonio

13h 14m1 stop Dallas/Fort Worth

$817British Airways

Fri, Sep 25 - Fri, Oct 2

8:00 am - 7:05 amSAT San Antonio-EDI Edinburgh Turnhouse

17h 05m2 stops Atlanta Hartsfield-Jackson Boston Logan Intl

11:20 am - 12:08 amEDI Edinburgh Turnhouse-SAT San Antonio

18h 48m2 stops Boston Logan Intl Atlanta Hartsfield-Jackson

$1,026Virgin Atlantic

Wed, Sep 23 - Wed, Sep 30

2:30 pm - 1:05 pmSAT San Antonio-LHR London Heathrow

16h 35m1 stop Minneapolis St Paul

6:30 am - 5:10 pmLHR London Heathrow-SAT San Antonio

16h 40m2 stops Amsterdam Schiphol Minneapolis St Paul

$1,027Delta

Wed, Sep 23 - Wed, Sep 30

1:55 pm - 12:05 pmSAT San Antonio-LHR London Heathrow

16h 10m2 stops Atlanta Hartsfield-Jackson New York John F Kennedy Intl

6:30 am - 5:10 pmLHR London Heathrow-SAT San Antonio

16h 40m2 stops Amsterdam Schiphol Minneapolis St Paul

$1,032Delta

Wed, Sep 23 - Wed, Sep 30

4:27 pm - 10:20 pmSAT San Antonio-EDI Edinburgh Turnhouse

23h 53m2 stops Dallas/Fort Worth London Heathrow

7:10 am - 11:58 pmEDI Edinburgh Turnhouse-SAT San Antonio

22h 48m2 stops London Heathrow Chicago O'Hare Intl

$1,180British Airways

Sat, Sep 26 - Sun, Oct 11

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Virgin Atlantic flights from San Antonio to United Kingdom

Our best Virgin Atlantic deals on San Antonio to United Kingdom flight tickets

Virgin Atlantic

Dec 6

SAT11:50 amSan Antonio

13h 55m

1 stop

LHR7:45 amLondon Heathrow

Dec 22

LHR10:55 amLondon Heathrow

18h 40m

1 stop

SAT11:35 pmSan Antonio

$717

Virgin Atlantic

Oct 27

SAT10:48 amSan Antonio

15h 57m

2 stops

LHR7:45 amLondon Heathrow

Nov 3

LHR11:45 amLondon Heathrow

16h 35m

2 stops

SAT10:20 pmSan Antonio

$747

Virgin Atlantic

Oct 13

SAT1:41 pmSan Antonio

14h 39m

2 stops

LHR10:20 amLondon Heathrow

Nov 3

LHR11:30 amLondon Heathrow

17h 56m

2 stops

SAT11:26 pmSan Antonio

$748

Iberia flights from San Antonio to United Kingdom

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

Iberia

Oct 13

SAT4:28 pmSan Antonio

14h 22m

1 stop

LHR12:50 pmLondon Heathrow

Nov 3

LHR8:25 amLondon Heathrow

18h 43m

2 stops

SAT9:08 pmSan Antonio

$719

Iberia

Nov 11

SAT7:15 amSan Antonio

22h 50m

2 stops

LHR12:05 pmLondon Heathrow

Nov 18

LHR7:05 pmLondon Heathrow

19h 26m

2 stops

SAT8:31 amSan Antonio

$728

Iberia

Nov 2

SAT12:45 pmSan Antonio

15h 15m

1 stop

LHR10:00 amLondon Heathrow

Nov 9

LHR11:00 amLondon Heathrow

18h 55m

1 stop

SAT11:55 pmSan Antonio

$735

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 AntonioEdinburgh

SAT San Antonio - EDI Edinburgh Turnhouse

SATEDI

San Antonio

Mon 10/12

7:54 pm-6:35 pm

2 stops16h 41m

Edinburgh Turnhouse

Wed 10/21

11:25 am-9:36 pm

1 stop16h 11m

$710

Quickest round-trip

San AntonioEdinburgh

SAT San Antonio - EDI Edinburgh Turnhouse

SATEDI

San Antonio

Wed 10/14

6:00 pm-4:05 pm

2 stops16h 05m

Edinburgh Turnhouse

Wed 10/21

11:25 am-9:36 pm

1 stop16h 11m

$710

San AntonioManchester

SAT San Antonio - MAN Manchester

SATMAN

San Antonio

Tue 11/3

2:55 pm-5:15 pm

2 stops20h 20m

Manchester

Tue 11/10

6:00 pm-7:22 pm

2 stops31h 22m

$714

San AntonioLondon

SAT San Antonio - LHR London Heathrow

SATLHR

San Antonio

Sun 12/6

11:50 am-7:45 am

1 stop13h 55m

London Heathrow

Tue 12/22

10:55 am-11:35 pm

1 stop18h 40m

$717

San AntonioLondon

SAT San Antonio - LHR London Heathrow

SATLHR

San Antonio

Tue 10/13

4:28 pm-12:50 pm

1 stop14h 22m

London Heathrow

Tue 11/3

8:25 am-9:08 pm

2 stops18h 43m

$719

San AntonioEdinburgh

SAT San Antonio - EDI Edinburgh Turnhouse

SATEDI

San Antonio

Wed 10/14

7:00 am-10:35 am

1 stop21h 35m

Edinburgh Turnhouse

Wed 10/21

11:30 am-10:50 pm

1 stop17h 20m

$720

San AntonioEdinburgh

SAT San Antonio - EDI Edinburgh Turnhouse

SATEDI

San Antonio

Mon 10/12

6:00 am-8:05 am

1 stop20h 05m

Edinburgh Turnhouse

Wed 10/21

12:30 pm-8:38 pm

1 stop14h 08m

$720

San AntonioLondon

SAT San Antonio - LHR London Heathrow

SATLHR

San Antonio

Mon 10/19

12:46 pm-6:20 am

1 stop11h 34m

London Heathrow

Fri 12/11

7:30 am-10:56 pm

2 stops21h 26m

$727

San AntonioLondon

SAT San Antonio - LHR London Heathrow

SATLHR

San Antonio

Sun 10/18

3:00 pm-9:05 am

1 stop12h 05m

London Heathrow

Fri 12/11

7:30 am-12:04 am

2 stops22h 34m

$727

San AntonioLondon

SAT San Antonio - LHR London Heathrow

SATLHR

San Antonio

Wed 11/4

6:00 am-7:05 am

1 stop19h 05m

London Heathrow

Wed 11/18

6:30 am-5:25 pm

2 stops16h 55m

$743

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 $684. If you aren’t able to travel to United Kingdom during the month of February, then flying in January is also cheap. Prices for this month can be found on momondo for an average of $829.

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 $1,020 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 $679 on momondo.

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

You could potentially save up to 27% 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	$332
Fastest flight time	11h 57m
Direct flights	None

The best one-way flight to United Kingdom from San Antonio in the past 72 hours is $332. The best round-trip flight deal from San Antonio to United Kingdom found on momondo in the last 72 hours is $710.

The fastest flight from San Antonio to United Kingdom takes 11h 57m

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 September 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
Delta	PriceFrom $532	Free Cancellation	Rating 7.8 8,595 reviews	Search Delta flights
Virgin Atlantic	PriceFrom $614	Free Cancellation	Rating 7.4 694 reviews	Search Virgin Atlantic flights
American Airlines	PriceFrom $652	Free Cancellation	Rating 7.0 12,082 reviews	Search American Airlines flights
United Airlines	PriceFrom $653	Free Cancellation	Rating 7.4 10,225 reviews	Search United Airlines flights
British Airways	PriceFrom $676	Free Cancellation	Rating 6.7 8,228 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.