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

Virgin Atlantic, American Airlines, and United Airlines 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 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.

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 April 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.

$290 Cheap Flights from San Antonio to the United Kingdom in 2026

1 adult

0 bags

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.

7:51 pm - 10:00 am

SAT

LGW

32h 09m

2 stops

2:00 pm - 4:14 pm

LGW

SAT

32h 14m

1 stop

$766Multiple Airlines

Mon, Jul 20 - Tue, Sep 1

7:51 pm - 10:00 am

SAT

LGW

32h 09m

2 stops

2:00 pm - 4:14 pm

LGW

SAT

32h 14m

1 stop

$775Multiple Airlines

Mon, Jul 20 - Wed, Sep 2

6:00 am - 8:05 am

SAT

EDI

20h 05m

1 stop

9:00 am - 12:11 pm

EDI

SAT

33h 11m

2 stops

$857United Airlines

Wed, Aug 12 - Wed, Aug 26

6:00 am - 8:05 am

SAT

EDI

20h 05m

1 stop

9:00 am - 12:11 pm

EDI

SAT

33h 11m

2 stops

$858United Airlines

Wed, Aug 12 - Wed, Aug 26

1:12 pm - 8:35 am

SAT

LHR

14h 23m

1 stop

7:35 am - 7:41 pm

LHR

SAT

18h 06m

2 stops

$871Iberia

Tue, Oct 27 - Wed, Nov 4

2:45 pm - 8:15 am

SAT

LHR

12h 30m

1 stop

7:35 am - 7:41 pm

LHR

SAT

18h 06m

2 stops

$872Iberia

Tue, Oct 27 - Wed, Nov 4

12:10 pm - 8:50 am

SAT

LHR

14h 40m

1 stop

6:30 am - 5:09 pm

LHR

SAT

16h 39m

2 stops

$874Delta

Wed, Sep 9 - Tue, Sep 22

10:45 am - 6:20 am

SAT

LHR

14h 35m

2 stops

8:40 am - 8:22 pm

LHR

SAT

17h 42m

2 stops

$878Delta

Tue, Oct 27 - Wed, Nov 4

12:39 pm - 3:15 pm

SAT

LCY

20h 36m

2 stops

7:15 pm - 7:59 pm

LCY

SAT

30h 44m

2 stops

$1,207British Airways

Tue, Oct 13 - Sun, Oct 18

12:39 pm - 1:40 pm

SAT

LCY

19h 01m

2 stops

8:10 am - 5:44 pm

LCY

SAT

39h 34m

2 stops

$1,234British Airways

Thu, Aug 20 - Tue, Sep 15

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Delta flights from San Antonio to United Kingdom

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

Delta

Sep 9

SAT12:10 pmSan Antonio

14h 40m

1 stop

LHR8:50 amLondon Heathrow

Sep 22

LHR6:30 amLondon Heathrow

16h 39m

2 stops

SAT5:09 pmSan Antonio

$874

Delta

Oct 27

SAT10:45 amSan Antonio

14h 35m

2 stops

LHR6:20 amLondon Heathrow

Nov 4

LHR8:40 amLondon Heathrow

17h 42m

2 stops

SAT8:22 pmSan Antonio

$878

Delta

Sep 9

SAT12:15 pmSan Antonio

16h 05m

2 stops

LHR10:20 amLondon Heathrow

Sep 22

LHR8:40 amLondon Heathrow

17h 30m

2 stops

SAT8:10 pmSan Antonio

$879

Lufthansa flights from San Antonio to United Kingdom

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

Lufthansa

Aug 19

SAT5:24 pmSan Antonio

21h 16m

2 stops

LHR8:40 pmLondon Heathrow

Aug 31

LHR8:25 pmLondon Heathrow

30h 20m

2 stops

SAT8:45 pmSan Antonio

$889

Lufthansa

Aug 4

SAT11:43 amSan Antonio

18h 57m

2 stops

LHR12:40 pmLondon Heathrow

Aug 18

LHR7:30 pmLondon Heathrow

31h 46m

2 stops

SAT9:16 pmSan Antonio

$909

Lufthansa

Oct 2

SAT7:00 amSan Antonio

21h 40m

2 stops

LHR10:40 amLondon Heathrow

Oct 14

LHR9:00 amLondon Heathrow

20h 08m

2 stops

SAT11:08 pmSan Antonio

$926

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 7/20

7:51 pm-10:00 am

2 stops32h 09m

London Gatwick

Tue 9/1

2:00 pm-4:14 pm

1 stop32h 14m

$766

San AntonioLondon

SAT - LGW

SATLGW

San Antonio

Mon 7/20

7:51 pm-10:00 am

2 stops32h 09m

London Gatwick

Wed 9/2

2:00 pm-4:14 pm

1 stop32h 14m

$775

San AntonioEdinburgh

SAT - EDI

SATEDI

San Antonio

Wed 8/12

6:00 am-8:05 am

1 stop20h 05m

Edinburgh Turnhouse

Wed 8/26

9:00 am-12:11 pm

2 stops33h 11m

$857

San AntonioEdinburgh

SAT - EDI

SATEDI

San Antonio

Wed 8/12

6:00 am-8:05 am

1 stop20h 05m

Edinburgh Turnhouse

Wed 8/26

9:00 am-12:11 pm

2 stops33h 11m

$858

San AntonioLondon

SAT - LHR

SATLHR

San Antonio

Tue 10/27

1:12 pm-8:35 am

1 stop14h 23m

London Heathrow

Wed 11/4

7:35 am-7:41 pm

2 stops18h 06m

$871

Quickest round-trip

San AntonioLondon

SAT - LHR

SATLHR

San Antonio

Tue 10/27

2:45 pm-8:15 am

1 stop12h 30m

London Heathrow

Wed 11/4

7:35 am-7:41 pm

2 stops18h 06m

$872

San AntonioLondon

SAT - LHR

SATLHR

San Antonio

Wed 9/9

12:10 pm-8:50 am

1 stop14h 40m

London Heathrow

Tue 9/22

6:30 am-5:09 pm

2 stops16h 39m

$874

San AntonioLondon

SAT - LHR

SATLHR

San Antonio

Tue 10/27

10:45 am-6:20 am

2 stops14h 35m

London Heathrow

Wed 11/4

8:40 am-8:22 pm

2 stops17h 42m

$878

San AntonioLondon

SAT - LCY

SATLCY

San Antonio

Tue 10/13

12:39 pm-3:15 pm

2 stops20h 36m

London City

Sun 10/18

7:15 pm-7:59 pm

2 stops30h 44m

$1,207

San AntonioLondon

SAT - LCY

SATLCY

San Antonio

Thu 8/20

12:39 pm-1:40 pm

2 stops19h 01m

London City

Tue 9/15

8:10 am-5:44 pm

2 stops39h 34m

$1,234

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 $887 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 $608 on momondo.

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

You could potentially save up to 19% 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 45m
Direct flights	None

The fastest flight from San Antonio to United Kingdom takes 11h 45m

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 April 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
United Airlines	PriceFrom $529	Free Cancellation	Rating 7.4 9,677 reviews	Search United Airlines flights
Delta	PriceFrom $530	Free Cancellation	Rating 7.9 8,466 reviews	Search Delta flights
American Airlines	PriceFrom $530	Free Cancellation	Rating 7.1 11,682 reviews	Search American Airlines flights
British Airways	PriceFrom $555	Free Cancellation	Rating 6.7 7,937 reviews	Search British Airways flights
Virgin Atlantic	PriceFrom $600	Free Cancellation	Rating 7.4 688 reviews	Search Virgin Atlantic flights
Iberia	PriceFrom $611	Free Cancellation	Rating 7.0 3,204 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.