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Cheap flights from San Antonio to London Heathrow Airport from £320

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 London Heathrow Airport departing on 26/2. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from San Antonio to London

Cheap return flights

These are some of the best return flight deals from San Antonio to London that have been recently found on momondo from popular airlines, departing in the coming months.

Cheap one-way flights

Flying one-way? These are some of the best deals recently discovered on momondo for flights from San Antonio to London.

Cheap last-minute flights

Planning a quick getaway from San Antonio to London? These are the last-minute flight deals available now.

Cheap direct flights

If you prefer a non-stop journey, check out our latest direct flight deals to London, so you can enjoy a seamless trip without stopovers.

Cheap bus & train deals from San Antonio to London

Find recent return train or bus tickets from San Antonio to London.

All return flight deals from San Antonio to London

The cheapest plane tickets from San Antonio to London found on KAYAK recently.
07:00 - 16:00SAT-LHR
27h 00m2 stops
19:30 - 23:41LHR-SAT
33h 11m2 stops
£547Scandinavian Airlines
Find Deal
Tue, 4 Mar - Tue, 11 Mar
07:00 - 16:00SAT-LHR
27h 00m2 stops
19:30 - 21:49LHR-SAT
32h 19m2 stops
£548Scandinavian Airlines
Find Deal
Tue, 4 Feb - Tue, 4 Mar
11:03 - 10:35SAT-LHR
17h 32m1 stop
16:10 - 00:27LHR-SAT
14h 17m1 stop
£563Virgin Atlantic
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Tue, 4 Feb - Tue, 4 Mar
12:39 - 07:20SAT-LHR
13h 41m1 stop
14:10 - 23:02LHR-SAT
13h 52m1 stop
£577British Airways
Find Deal
Tue, 18 Mar - Thu, 27 Mar
20:35 - 14:25SAT-LHR
11h 50m1 stop
14:55 - 21:46LHR-SAT
12h 51m1 stop
£579British Airways
Find Deal
Wed, 30 Apr - Wed, 7 May
06:20 - 07:05SAT-LHR
18h 45m1 stop
12:20 - 22:44LHR-SAT
15h 24m1 stop
£582Virgin Atlantic
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Tue, 4 Mar - Tue, 11 Mar
16:16 - 07:40SAT-LHR
33h 24m1 stop
10:15 - 13:04LHR-SAT
32h 49m2 stops
£589United Airlines
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Sat, 5 Apr - Fri, 18 Apr
14:31 - 07:30SAT-LHR
10h 59m1 stop
07:40 - 20:34LHR-SAT
17h 54m2 stops
£590United Airlines
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Tue, 4 Mar - Tue, 11 Mar
07:00 - 06:50SAT-LHR
18h 50m2 stops
11:45 - 00:37LHR-SAT
17h 52m2 stops
£595Delta
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Tue, 18 Mar - Thu, 27 Mar
13:45 - 07:15SAT-LHR
11h 30m1 stop
11:30 - 23:14LHR-SAT
17h 44m2 stops
£597Delta
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Wed, 30 Apr - Wed, 7 May
07:00 - 17:40SAT-LHR
28h 40m2 stops
£320Scandinavian Airlines
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Wed, 26 Feb
07:00 - 16:00SAT-LHR
27h 00m2 stops
£356Scandinavian Airlines
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Thu, 30 Jan
18:31 - 06:20SAT-LHR
29h 49m1 stop
£378Virgin Atlantic
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Sat, 22 Feb
17:13 - 12:05SAT-LHR
12h 52m1 stop
£379British Airways
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Wed, 26 Feb
18:31 - 07:55SAT-LHR
31h 24m1 stop
£386Virgin Atlantic
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Sat, 8 Mar
18:57 - 08:30SAT-LHR
31h 33m2 stops
£390United Airlines
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Sat, 22 Feb
05:20 - 12:45SAT-LHR
25h 25m3 stops
Tue, 13 May
05:20 - 09:40SAT-LHR
22h 20m2 stops
Tue, 20 May
12:26 - 06:20SAT-LHR
11h 54m1 stop
£420British Airways
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Thu, 30 Jan
12:19 - 09:20SAT-LHR
15h 01m2 stops
£455United Airlines
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Mon, 19 May
11:03 - 18:30SAT-LHR
25h 27m2 stops
06:40 - 23:44LHR-SAT
23h 04m2 stops
£525Scandinavian Airlines
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Sat, 25 Jan - Mon, 27 Jan
07:00 - 16:00SAT-LHR
27h 00m2 stops
06:40 - 00:27LHR-SAT
23h 47m2 stops
£678Scandinavian Airlines
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Fri, 24 Jan - Mon, 27 Jan
07:00 - 16:00SAT-LHR
27h 00m2 stops
19:30 - 23:44LHR-SAT
34h 14m2 stops
£681Scandinavian Airlines
Find Deal
Fri, 24 Jan - Mon, 27 Jan
07:00 - 19:30SAT-LHR
30h 30m3 stops
12:15 - 15:12LHR-SAT
32h 57m3 stops
Fri, 24 Jan - Mon, 27 Jan
05:45 - 10:50SAT-LHR
23h 05m3 stops
18:30 - 23:14LHR-SAT
34h 44m3 stops
Sat, 25 Jan - Mon, 27 Jan
05:45 - 14:25SAT-LHR
26h 40m3 stops
18:30 - 23:14LHR-SAT
34h 44m3 stops
Fri, 24 Jan - Mon, 27 Jan
13:50 - 15:35SAT-LHR
19h 45m2 stops
07:50 - 23:51LHR-SAT
22h 01m2 stops
£1,057Aer Lingus
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Mon, 27 Jan - Thu, 30 Jan
12:25 - 08:25SAT-LHR
14h 00m1 stop
11:10 - 11:17LHR-SAT
54h 07m2 stops
£1,429United Airlines
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Fri, 24 Jan - Mon, 27 Jan
14:36 - 08:15SAT-LHR
11h 39m1 stop
09:25 - 16:50LHR-SAT
13h 25m1 stop
£1,457British Airways
Find Deal
Fri, 24 Jan - Mon, 27 Jan
18:52 - 16:15SAT-LHR
15h 23m2 stops
08:20 - 22:14LHR-SAT
19h 54m1 stop
£1,879British Airways
Find Deal
Sat, 25 Jan - Mon, 27 Jan

Iberia flights from San Antonio to London Heathrow Airport

Our best Iberia deals on San Antonio to London Heathrow Airport flight tickets
Iberia
1 May
SAT12:35San Antonio
14h 25m
1 stop
LHR09:00London Heathrow
15 May
LHR16:25London Heathrow
13h 11m
1 stop
SAT23:36San Antonio
Iberia
11 Mar
SAT13:52San Antonio
13h 23m
1 stop
LHR08:15London Heathrow
16 Mar
LHR13:50London Heathrow
15h 03m
1 stop
SAT23:53San Antonio
Iberia
20 Apr
SAT16:04San Antonio
14h 06m
1 stop
LHR12:10London Heathrow
3 May
LHR14:25London Heathrow
15h 26m
1 stop
SAT23:51San Antonio

Air France flights from San Antonio to London Heathrow Airport

Our best Air France deals on San Antonio to London Heathrow Airport flight tickets
Air France
11 Mar
SAT13:45San Antonio
16h 25m
2 stops
LHR11:10London Heathrow
16 Mar
LHR10:20London Heathrow
18h 21m
1 stop
SAT23:41San Antonio
Air France
20 Apr
SAT12:15San Antonio
40h 00m
2 stops
LHR10:15London Heathrow
3 May
LHR11:30London Heathrow
19h 03m
2 stops
SAT00:33San Antonio

See travel insights to London from

How to get the cheapest flight ticket from San Antonio to London Heathrow Airport

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 London Heathrow Airport?

In general, February is the cheapest month to fly from San Antonio to London Heathrow Airport. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around £551. The month of January is another great option to travel to London Heathrow Airport, with average flight prices from San Antonio averaging around £628.

What is the cheapest day to depart on your flight to London Heathrow Airport?

On average, the least expensive day to fly to London Heathrow Airport from San Antonio is on a Monday. momondo users have found tickets for Monday departures for as low as £0. However, this price may fluctuate depending on the airline, the season, and holidays. Be sure to avoid booking your departure on a Friday as prices are generally higher than usual. According to our data, the average ticket price to London Heathrow Airport on Friday is £1,413.

What is the cheapest time of day to depart on your flight to London Heathrow Airport?

According to our data, the cheapest time of day to fly to London Heathrow Airport is in the evening. momondo users have found flights departing from San Antonio to London Heathrow Airport in the evening for as low as £0. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. If you have a flexible travel schedule, then try to avoid flying in the morning when prices are £1,105 on average. Flights to London Heathrow Airport from San Antonio in the morning are generally more expensive because this time of day is more convenient for travellers’ schedules.

How far in advance should I book a flight to London Heathrow Airport?

You are more likely to see cheaper flights to London Heathrow Airport from San Antonio when booking 14 weeks ahead of your departure date. In general, you can expect to find flights to London Heathrow Airport for around £765 when searching 14 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to London Heathrow Airport from San Antonio for as low as £675 on momondo.

How have San Antonio to London Heathrow Airport flight prices changed over time?

As of January 2025, prices for San Antonio to London Heathrow Airport flights are approximately 51% cheaper when compared to flights at the same time last year.

When to book flights from San Antonio to London Heathrow Airport

Are you open to changing your travel dates? Check out the ideal times to fly from San Antonio to London Heathrow Airport according to our flight data. Find out which month and days have the cheapest flights.
Estimated return price

Cheap San Antonio to London Heathrow Airport (SAT to LHR) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from San Antonio to London Heathrow Airport

Best price found

£320

Fastest flight time

10h 59m

Direct flights

None
The best one-way flight to London Heathrow Airport from San Antonio in the past 72 hours is £320. The best return flight deal from San Antonio to London Heathrow Airport found on momondo in the last 72 hours is £547.
The fastest flight from San Antonio to London Heathrow Airport takes 10h 59m
There are no direct flights from San Antonio to London Heathrow Airport. Popular non-direct route for this connection is San Antonio Airport - London Heathrow Airport.

  • How far is San Antonio to London Heathrow by plane?

    A flight from San Antonio to London Heathrow will travel around 4973.6 mi. In terms of flight time, this usually takes a little over 10h 59m.

  • When did momondo last update prices for flights from San Antonio Airport to London Heathrow Airport?

    Prices for flights from San Antonio Airport to London Heathrow Airport refresh daily.

  • How many operators does momondo search for flights from San Antonio Airport to London Heathrow Airport?

  • How old do you have to be to fly from San Antonio Airport to London Heathrow Airport?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from San Antonio Airport to London Heathrow Airport.

  • What documentation or ID do you need to fly to London Heathrow Airport?

    The necessary travel and health documents for your London Heathrow Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

  • What is the most popular airline from San Antonio to London Heathrow Airport?


Best airlines flying from San Antonio to London Heathrow Airport

Compare and see reviews for airlines that fly from San Antonio to London Heathrow Airport with momondo
Airline
Rating
Free Cancellation
Price
British AirwaysPriceFrom £530Free CancellationRating
6.6
6,831 reviews
Search British Airways flights

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Why use momondo?

Why should I use momondo to find a flight deal from San Antonio to London?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from San Antonio to London for you.

Can I find flights from San Antonio to London with flexible booking policies on momondo?

momondo does allow users to show only those flights to London from San Antonio which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from San Antonio to London?

momondo helps you find the best flight between San Antonio and London by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from San Antonio to London right now. Can momondo alert me if prices change?

Price alerts on flights to London 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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