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 65% 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.

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

Delta, United Airlines, and KLM are the most popular carriers operating from San Antonio to 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 March 2026, there are 6 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.

$257 Cheap Flights from San Antonio to the United Kingdom in 2026

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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.

1:22 pm - 10:00 am

SAT

LGW

14h 38m

1 stop

2:00 pm - 12:27 pm

LGW

SAT

28h 27m

1 stop

$614Multiple Airlines

Mon, Mar 30 - Thu, Apr 9

12:15 pm - 9:20 am

SAT

LHR

39h 05m

2 stops

6:40 am - 11:18 pm

LHR

SAT

22h 38m

2 stops

$649Scandinavian Airlines

Fri, Sep 4 - Mon, Sep 7

2:15 pm - 10:55 am

SAT

LHR

14h 40m

1 stop

12:55 pm - 7:46 pm

LHR

SAT

12h 51m

1 stop

$698British Airways

Wed, Aug 12 - Wed, Aug 19

6:40 am - 9:00 am

SAT

LHR

20h 20m

1 stop

9:30 am - 8:45 pm

LHR

SAT

17h 15m

2 stops

$735United Airlines

Sun, Aug 23 - Thu, Aug 27

6:49 am - 10:25 am

SAT

MAN

21h 36m

2 stops

6:05 am - 8:40 pm

MAN

SAT

20h 35m

2 stops

$757United Airlines

Wed, Apr 1 - Wed, Apr 8

6:14 pm - 3:40 pm

SAT

EDI

15h 26m

2 stops

10:30 am - 8:58 pm

EDI

SAT

16h 28m

2 stops

$766American Airlines

Tue, Apr 21 - Tue, Apr 28

6:14 pm - 3:40 pm

SAT

EDI

15h 26m

2 stops

10:30 am - 8:58 pm

EDI

SAT

16h 28m

2 stops

$771American Airlines

Tue, Apr 21 - Tue, Apr 28

6:20 am - 9:30 am

SAT

BHX

21h 10m

2 stops

9:20 am - 9:30 pm

BHX

SAT

18h 10m

2 stops

$797Delta

Wed, Apr 22 - Wed, Apr 29

3:11 pm - 5:30 pm

SAT

GLA

20h 19m

2 stops

9:40 am - 10:52 pm

GLA

SAT

19h 12m

2 stops

$846British Airways

Thu, Apr 23 - Thu, Apr 30

2:00 pm - 8:50 am

SAT

LCY

36h 50m

2 stops

8:25 am - 12:15 am

LCY

SAT

21h 50m

2 stops

$869Delta

Sat, Aug 29 - Sat, Sep 5

Iberia flights from San Antonio to United Kingdom

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

Iberia

Apr 20

SAT1:19 pmSan Antonio

12h 21m

1 stop

LHR7:40 amLondon Heathrow

Apr 26

LHR8:55 amLondon Heathrow

16h 49m

1 stop

SAT7:44 pmSan Antonio

$743

Iberia

Jul 22

SAT5:40 pmSan Antonio

17h 35m

2 stops

LHR5:15 pmLondon Heathrow

Aug 21

LHR12:55 pmLondon Heathrow

13h 38m

1 stop

SAT8:33 pmSan Antonio

$760

Iberia

Apr 20

SAT4:28 pmSan Antonio

13h 42m

1 stop

LHR12:10 pmLondon Heathrow

Apr 27

LHR8:00 pmLondon Heathrow

32h 52m

2 stops

SAT10:52 pmSan Antonio

$788

Scandinavian Airlines flights from San Antonio to United Kingdom

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

Scandinavian Airlines

Sep 4

SAT12:15 pmSan Antonio

39h 05m

2 stops

LHR9:20 amLondon Heathrow

Sep 7

LHR6:40 amLondon Heathrow

22h 38m

2 stops

SAT11:18 pmSan Antonio

$649

Scandinavian Airlines

Aug 19

SAT12:10 pmSan Antonio

24h 40m

3 stops

LHR6:50 pmLondon Heathrow

Aug 31

LHR6:40 amLondon Heathrow

22h 38m

2 stops

SAT11:18 pmSan Antonio

$729

Scandinavian Airlines

Aug 21

SAT2:10 pmSan Antonio

37h 10m

2 stops

LHR9:20 amLondon Heathrow

Aug 29

LHR6:40 amLondon Heathrow

22h 38m

2 stops

SAT11:18 pmSan Antonio

$737

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 - LGW

SATLGW

San Antonio

Mon 3/30

1:22 pm-10:00 am

1 stop14h 38m

London Gatwick

Thu 4/9

2:00 pm-12:27 pm

1 stop28h 27m

$614

San AntonioLondon

SAT - LHR

SATLHR

San Antonio

Fri 9/4

12:15 pm-9:20 am

2 stops39h 05m

London Heathrow

Mon 9/7

6:40 am-11:18 pm

2 stops22h 38m

$649

Quickest round-trip

San AntonioLondon

SAT - LHR

SATLHR

San Antonio

Wed 8/12

2:15 pm-10:55 am

1 stop14h 40m

London Heathrow

Wed 8/19

12:55 pm-7:46 pm

1 stop12h 51m

$698

San AntonioLondon

SAT - LHR

SATLHR

San Antonio

Sun 8/23

6:40 am-9:00 am

1 stop20h 20m

London Heathrow

Thu 8/27

9:30 am-8:45 pm

2 stops17h 15m

$735

San AntonioManchester

SAT - MAN

SATMAN

San Antonio

Wed 4/1

6:49 am-10:25 am

2 stops21h 36m

Manchester

Wed 4/8

6:05 am-8:40 pm

2 stops20h 35m

$757

San AntonioEdinburgh

SAT - EDI

SATEDI

San Antonio

Tue 4/21

6:14 pm-3:40 pm

2 stops15h 26m

Edinburgh Turnhouse

Tue 4/28

10:30 am-8:58 pm

2 stops16h 28m

$766

San AntonioEdinburgh

SAT - EDI

SATEDI

San Antonio

Tue 4/21

6:14 pm-3:40 pm

2 stops15h 26m

Edinburgh Turnhouse

Tue 4/28

10:30 am-8:58 pm

2 stops16h 28m

$771

San AntonioBirmingham

SAT - BHX

SATBHX

San Antonio

Wed 4/22

6:20 am-9:30 am

2 stops21h 10m

Birmingham

Wed 4/29

9:20 am-9:30 pm

2 stops18h 10m

$797

San AntonioGlasgow

SAT - GLA

SATGLA

San Antonio

Thu 4/23

3:11 pm-5:30 pm

2 stops20h 19m

Glasgow Intl

Thu 4/30

9:40 am-10:52 pm

2 stops19h 12m

$846

San AntonioLondon

SAT - LCY

SATLCY

San Antonio

Sat 8/29

2:00 pm-8:50 am

2 stops36h 50m

London City

Sat 9/5

8:25 am-12:15 am

2 stops21h 50m

$869

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 $637. If you aren’t able to travel to United Kingdom during the month of February, then flying in September is also cheap. Prices for this month can be found on momondo for an average of $701.

How far in advance should I book a flight to 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 $861 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 $629 on momondo.

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

You could potentially save up to 42% 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	12h 39m
Direct flights	None

The fastest flight from San Antonio to United Kingdom takes 12h 39m

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

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 March 2026, there are 6 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 $530	Free Cancellation	Rating 7.9 8,271 reviews	Search Delta flights
United Airlines	PriceFrom $531	Free Cancellation	Rating 7.4 9,409 reviews	Search United Airlines flights
American Airlines	PriceFrom $532	Free Cancellation	Rating 7.1 11,403 reviews	Search American Airlines flights
British Airways	PriceFrom $555	Free Cancellation	Rating 6.7 7,780 reviews	Search British Airways flights
Virgin Atlantic	PriceFrom $600	Free Cancellation	Rating 7.5 680 reviews	Search Virgin Atlantic flights
Iberia	PriceFrom $668	Free Cancellation	Rating 7.0 3,132 reviews	Search Iberia 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.