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

Delta, Air Canada, 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 Delta 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 June 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.

$279 Cheap Flights from San Antonio to the United Kingdom in 2026

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.

2:01 pm - 12:00 pm

SAT

LHR

15h 59m

1 stop

9:30 am - 9:07 pm

LHR

SAT

17h 37m

2 stops

$755United Airlines

Sun, Dec 6 - Tue, Dec 8

7:00 am - 9:20 pm

SAT

LHR

32h 20m

1 stop

5:30 pm - 9:07 pm

LHR

SAT

33h 37m

2 stops

$760United Airlines

Sat, Nov 7 - Mon, Nov 9

7:00 pm - 5:00 pm

SAT

MAN

40h 00m

2 stops

11:30 am - 9:07 pm

MAN

SAT

39h 37m

2 stops

$775United Airlines

Mon, Nov 2 - Thu, Nov 5

4:20 pm - 8:35 pm

SAT

LHR

22h 15m

2 stops

9:30 am - 9:07 pm

LHR

SAT

17h 37m

2 stops

$833United Airlines

Sun, Dec 6 - Tue, Dec 8

6:15 pm - 11:40 am

SAT

LHR

12h 25m

1 stop

8:40 am - 9:32 pm

LHR

SAT

18h 52m

2 stops

$871Delta

Mon, Oct 26 - Tue, Nov 10

2:00 pm - 7:05 am

SAT

LHR

12h 05m

1 stop

11:45 am - 12:28 am

LHR

SAT

18h 43m

2 stops

$872Delta

Tue, Oct 27 - Wed, Nov 4

5:54 pm - 3:30 pm

SAT

MAN

15h 36m

2 stops

6:55 am - 7:37 pm

MAN

SAT

18h 42m

2 stops

$958American Airlines

Wed, Aug 19 - Thu, Sep 3

7:28 am - 3:30 pm

SAT

MAN

26h 02m

2 stops

8:15 pm - 12:48 am

MAN

SAT

34h 33m

2 stops

$969British Airways

Wed, Aug 19 - Mon, Aug 31

10:46 am - 7:15 am

SAT

MAN

14h 29m

1 stop

1:00 pm - 12:16 am

MAN

SAT

17h 16m

1 stop

$1,003Virgin Atlantic

Wed, Sep 2 - Fri, Sep 18

1:32 pm - 1:15 pm

SAT

GLA

17h 43m

2 stops

7:30 pm - 9:15 pm

GLA

SAT

31h 45m

2 stops

$1,017British Airways

Tue, Jul 28 - Tue, Aug 4

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Lufthansa flights from San Antonio to United Kingdom

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

Lufthansa

Oct 27

SAT2:15 pmSan Antonio

17h 35m

2 stops

LHR12:50 pmLondon Heathrow

Nov 4

LHR6:30 amLondon Heathrow

20h 43m

2 stops

SAT9:13 pmSan Antonio

$886

Lufthansa

Sep 23

SAT1:45 pmSan Antonio

21h 55m

2 stops

LHR5:40 pmLondon Heathrow

Oct 5

LHR6:30 pmLondon Heathrow

33h 01m

2 stops

SAT9:31 pmSan Antonio

$905

Lufthansa

Sep 23

SAT1:45 pmSan Antonio

21h 55m

2 stops

LHR5:40 pmLondon Heathrow

Oct 5

LHR6:30 pmLondon Heathrow

33h 01m

2 stops

SAT9:31 pmSan Antonio

$906

British Airways flights from San Antonio to United Kingdom

Our best British Airways deals on San Antonio to United Kingdom flight tickets

British Airways

Oct 26

SAT11:03 amSan Antonio

14h 47m

1 stop

LHR6:50 amLondon Heathrow

Nov 10

LHR6:05 amLondon Heathrow

22h 50m

2 stops

SAT10:55 pmSan Antonio

$890

British Airways

Oct 27

SAT12:39 pmSan Antonio

13h 11m

1 stop

LHR6:50 amLondon Heathrow

Nov 4

LHR1:50 pmLondon Heathrow

16h 00m

1 stop

SAT11:50 pmSan Antonio

$892

British Airways

Oct 26

SAT10:12 amSan Antonio

18h 03m

1 stop

LHR9:15 amLondon Heathrow

Nov 10

LHR11:55 amLondon Heathrow

13h 46m

1 stop

SAT7:41 pmSan Antonio

$894

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 AntonioLondon

SAT - LHR

SATLHR

San Antonio

Sun 12/6

2:01 pm-12:00 pm

1 stop15h 59m

London Heathrow

Tue 12/8

9:30 am-9:07 pm

2 stops17h 37m

$755

San AntonioLondon

SAT - LHR

SATLHR

San Antonio

Sat 11/7

7:00 am-9:20 pm

1 stop32h 20m

London Heathrow

Mon 11/9

5:30 pm-9:07 pm

2 stops33h 37m

$760

San AntonioManchester

SAT - MAN

SATMAN

San Antonio

Mon 11/2

7:00 pm-5:00 pm

2 stops40h 00m

Manchester

Thu 11/5

11:30 am-9:07 pm

2 stops39h 37m

$775

San AntonioLondon

SAT - LHR

SATLHR

San Antonio

Sun 12/6

4:20 pm-8:35 pm

2 stops22h 15m

London Heathrow

Tue 12/8

9:30 am-9:07 pm

2 stops17h 37m

$833

San AntonioLondon

SAT - LHR

SATLHR

San Antonio

Mon 10/26

6:15 pm-11:40 am

1 stop12h 25m

London Heathrow

Tue 11/10

8:40 am-9:32 pm

2 stops18h 52m

$871

Quickest round-trip

San AntonioLondon

SAT - LHR

SATLHR

San Antonio

Tue 10/27

2:00 pm-7:05 am

1 stop12h 05m

London Heathrow

Wed 11/4

11:45 am-12:28 am

2 stops18h 43m

$872

San AntonioManchester

SAT - MAN

SATMAN

San Antonio

Wed 8/19

5:54 pm-3:30 pm

2 stops15h 36m

Manchester

Thu 9/3

6:55 am-7:37 pm

2 stops18h 42m

$958

San AntonioManchester

SAT - MAN

SATMAN

San Antonio

Wed 8/19

7:28 am-3:30 pm

2 stops26h 02m

Manchester

Mon 8/31

8:15 pm-12:48 am

2 stops34h 33m

$969

San AntonioManchester

SAT - MAN

SATMAN

San Antonio

Wed 9/2

10:46 am-7:15 am

1 stop14h 29m

Manchester

Fri 9/18

1:00 pm-12:16 am

1 stop17h 16m

$1,003

San AntonioGlasgow

SAT - GLA

SATGLA

San Antonio

Tue 7/28

1:32 pm-1:15 pm

2 stops17h 43m

Glasgow Intl

Tue 8/4

7:30 pm-9:15 pm

2 stops31h 45m

$1,017

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, August 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 $474. If you aren’t able to travel to United Kingdom during the month of August, then flying in October is also cheap. Prices for this month can be found on momondo for an average of $482.

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 $890 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 $639 on momondo.

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

You could potentially save up to 1% 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

Fastest flight time	11h 29m
Direct flights	None

The fastest flight from San Antonio to United Kingdom takes 11h 29m

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 June 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
United Airlines	PriceFrom $529	Free Cancellation	Rating 7.4 9,841 reviews	Search United Airlines flights
Delta	PriceFrom $530	Free Cancellation	Rating 7.9 8,403 reviews	Search Delta flights
American Airlines	PriceFrom $530	Free Cancellation	Rating 7.1 11,662 reviews	Search American Airlines flights
British Airways	PriceFrom $555	Free Cancellation	Rating 6.7 8,051 reviews	Search British Airways flights
Virgin Atlantic	PriceFrom $600	Free Cancellation	Rating 7.5 690 reviews	Search Virgin Atlantic 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.