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Cheap flights from San Antonio to the United Kingdom from $269

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from San Antonio to the United Kingdom departing on 1/21. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Find the cheapest flights from San Antonio to the United Kingdom

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
6:30 am - 10:00 am
SAT
-
LGW
21h 30m1 stop
Multiple Airlines Logo
2:00 pm - 11:52 pm
LGW
-
SAT
15h 52m1 stop
$507Multiple Airlines
Thu, Jan 22 - Fri, Jan 23
Multiple Airlines Logo
6:30 am - 10:00 am
SAT
-
LGW
21h 30m1 stop
Multiple Airlines Logo
2:00 pm - 11:52 pm
LGW
-
SAT
15h 52m1 stop
$509Multiple Airlines
Fri, Jan 23 - Sat, Jan 24
Multiple Airlines Logo
7:14 pm - 6:00 am
SAT
-
LGW
28h 46m2 stops
Multiple Airlines Logo
2:00 pm - 11:52 pm
LGW
-
SAT
15h 52m1 stop
$516Multiple Airlines
Sun, Jan 11 - Thu, Jan 29
Delta Logo
4:29 pm - 10:30 am
SAT
-
MAN
12h 01m1 stop
Delta Logo
1:30 pm - 10:28 pm
MAN
-
SAT
14h 58m1 stop
$596Delta
Fri, Feb 13 - Tue, Feb 17
Delta Logo
7:45 am - 7:50 am
SAT
-
LHR
18h 05m1 stop
Delta Logo
11:30 am - 12:38 am
LHR
-
SAT
19h 08m2 stops
$598Delta
Wed, Jan 14 - Wed, Jan 21
Iberia Logo
3:07 pm - 2:05 pm
SAT
-
LCY
16h 58m2 stops
Iberia Logo
7:50 am - 8:50 pm
LCY
-
SAT
19h 00m2 stops
$704Iberia
Wed, Jan 21 - Fri, Feb 6
United Airlines Logo
11:43 am - 7:55 am
SAT
-
EDI
14h 12m2 stops
United Airlines Logo
9:25 am - 10:57 pm
EDI
-
SAT
19h 32m2 stops
$747United Airlines
Tue, Jan 20 - Tue, Jan 27
British Airways Logo
5:00 pm - 8:50 am
SAT
-
LCY
33h 50m2 stops
British Airways Logo
7:50 am - 8:50 pm
LCY
-
SAT
19h 00m2 stops
$753British Airways
Thu, Jan 29 - Wed, Feb 4
United Airlines Logo
7:02 am - 10:30 am
SAT
-
EDI
21h 28m2 stops
United Airlines Logo
8:25 am - 11:11 am
EDI
-
SAT
31h 46m2 stops
$785United Airlines
Thu, Mar 5 - Thu, Mar 12
British Airways Logo
8:10 am - 8:50 am
SAT
-
LCY
18h 40m2 stops
British Airways Logo
7:50 am - 8:50 pm
LCY
-
SAT
19h 00m2 stops
$815British Airways
Mon, Jan 12 - Wed, Jan 28

Virgin Atlantic flights from San Antonio to United Kingdom

Our best Virgin Atlantic deals on San Antonio to United Kingdom flight tickets
Virgin Atlantic
Jan 12
SAT7:45 amSan Antonio
18h 05m
2 stops
LHR7:50 amLondon Heathrow
Jan 27
LHR6:30 amLondon Heathrow
19h 55m
2 stops
SAT8:25 pmSan Antonio
$564
Find similar
Virgin Atlantic
Jan 21
SAT4:29 pmSan Antonio
13h 11m
1 stop
LHR11:40 amLondon Heathrow
Feb 6
LHR8:55 amLondon Heathrow
14h 27m
1 stop
SAT5:22 pmSan Antonio
$567
Find similar
Virgin Atlantic
Jan 12
SAT6:22 pmSan Antonio
11h 18m
1 stop
LHR11:40 amLondon Heathrow
Jan 27
LHR6:30 amLondon Heathrow
24h 08m
2 stops
SAT12:38 amSan Antonio
$570
Find similar

KLM flights from San Antonio to United Kingdom

Our best KLM deals on San Antonio to United Kingdom flight tickets
KLM
Dec 9
SAT1:06 pmSan Antonio
12h 44m
1 stop
LHR7:50 amLondon Heathrow
Dec 24
LHR10:45 amLondon Heathrow
16h 41m
1 stop
SAT9:26 pmSan Antonio
$589
Find similar
KLM
Jan 21
SAT12:25 pmSan Antonio
12h 25m
1 stop
LHR6:50 amLondon Heathrow
Feb 6
LHR6:30 amLondon Heathrow
16h 52m
2 stops
SAT5:22 pmSan Antonio
$590
Find similar
KLM
Feb 24
SAT12:20 pmSan Antonio
12h 30m
1 stop
LHR6:50 amLondon Heathrow
Mar 3
LHR10:45 amLondon Heathrow
15h 40m
1 stop
SAT8:25 pmSan Antonio
$597
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from San Antonio to United Kingdom that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated December 4, 2025.
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

San AntonioLondon

SAT - LGW

SATLGW

San Antonio

Thu 1/22

6:30 am-10:00 am

1 stop21h 30m

London Gatwick

Fri 1/23

2:00 pm-11:52 pm

1 stop15h 52m

$507

San AntonioLondon

SAT - LGW

SATLGW

San Antonio

Fri 1/23

6:30 am-10:00 am

1 stop21h 30m

London Gatwick

Sat 1/24

2:00 pm-11:52 pm

1 stop15h 52m

$509

San AntonioLondon

SAT - LGW

SATLGW

San Antonio

Sun 1/11

7:14 pm-6:00 am

2 stops28h 46m

London Gatwick

Thu 1/29

2:00 pm-11:52 pm

1 stop15h 52m

$516

San AntonioManchester

SAT - MAN

SATMAN

San Antonio

Fri 2/13

4:29 pm-10:30 am

1 stop12h 01m

Manchester

Tue 2/17

1:30 pm-10:28 pm

1 stop14h 58m

$596

San AntonioLondon

SAT - LHR

SATLHR

San Antonio

Wed 1/14

7:45 am-7:50 am

1 stop18h 05m

London Heathrow

Wed 1/21

11:30 am-12:38 am

2 stops19h 08m

$598

San AntonioLondon

SAT - LCY

SATLCY

San Antonio

Wed 1/21

3:07 pm-2:05 pm

2 stops16h 58m

London City

Fri 2/6

7:50 am-8:50 pm

2 stops19h 00m

$704

San AntonioEdinburgh

SAT - EDI

SATEDI

San Antonio

Tue 1/20

11:43 am-7:55 am

2 stops14h 12m

Edinburgh Turnhouse

Tue 1/27

9:25 am-10:57 pm

2 stops19h 32m

$747

San AntonioLondon

SAT - LCY

SATLCY

San Antonio

Thu 1/29

5:00 pm-8:50 am

2 stops33h 50m

London City

Wed 2/4

7:50 am-8:50 pm

2 stops19h 00m

$753

San AntonioEdinburgh

SAT - EDI

SATEDI

San Antonio

Thu 3/5

7:02 am-10:30 am

2 stops21h 28m

Edinburgh Turnhouse

Thu 3/12

8:25 am-11:11 am

2 stops31h 46m

$785

San AntonioLondon

SAT - LCY

SATLCY

San Antonio

Mon 1/12

8:10 am-8:50 am

2 stops18h 40m

London City

Wed 1/28

7:50 am-8:50 pm

2 stops19h 00m

$815

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to the United Kingdom from

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

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 $724. If you aren’t able to travel to United Kingdom during the month of August, then flying in September is also cheap. Prices for this month can be found on momondo for an average of $735.

What is the cheapest day to depart on your flight to United Kingdom?

The cheapest day to depart from San Antonio to United Kingdom is on a Wednesday when prices can be found for as low as $835. The most expensive day to fly to United Kingdom is Saturday, with ticket prices averaging around $1,031.

What is the cheapest time of day to depart on your flight to United Kingdom?

According to our data, the cheapest time of day to fly to United Kingdom is in the evening. momondo users have found flights departing from San Antonio to United Kingdom in the evening for as low as $861. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Flights to United Kingdom are more costly in the morning, with an average ticket price of $1,021. Departure times in the morning fall within the peak daily travel times, which is why tickets can be more expensive.

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 $975 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 $706 on momondo.

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

You could potentially save up to 24% 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 08m

Direct flights

None
The fastest flight from San Antonio to United Kingdom takes 11h 08m
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?

  • 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
American AirlinesPriceFrom $530Free CancellationRating
7.2
11,045 reviews
Search American Airlines flights
United AirlinesPriceFrom $531Free CancellationRating
7.4
9,066 reviews
Search United Airlines flights
DeltaPriceFrom $531Free CancellationRating
7.9
8,011 reviews
Search Delta flights
British AirwaysPriceFrom $555Free CancellationRating
6.7
7,562 reviews
Search British Airways flights
Virgin AtlanticPriceFrom $600Free CancellationRating
7.5
675 reviews
Search Virgin Atlantic flights
IberiaPriceFrom $668Free CancellationRating
7.0
3,040 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.

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Find better results for your trip to the United Kingdom

Popular cities in the United Kingdom

Popular flights according to clicks in the last 7 days on momondo
Flights to Londonfrom $338
Flights to Manchesterfrom $360
Flights to Edinburghfrom $345
Flights to Birminghamfrom $387
Flights to Glasgowfrom $387
Flights to Newcastle upon Tynefrom $441
Flights to Belfastfrom $441
Flights to Bristolfrom $424
Flights to Invernessfrom $382
Flights to Liverpoolfrom $424
Flights to Aberdeenfrom $504
Flights to Leedsfrom $430