Are direct flights from San Antonio to London always the best option?

Direct flights offer convenience by reducing travel time and avoiding layovers. However, they are not always the most budget-friendly choice. Flights with one or more connections can often be cheaper, depending on the route and airline.

Can flexible travel dates help on San Antonio to London flights?

Yes, being flexible with your travel dates can significantly impact flight prices. Mid-week travel or flying during off-peak seasons often results in lower fares. Even shifting your departure or return by a day or two may yield savings.

What extra costs should I check before booking San Antonio to London flights?

Before booking, always check for potential extra costs such as baggage fees, seat selection charges, and in-flight services. Some airlines may also charge for printing boarding passes at the airport. Factor these into your total travel budget.

Flights From San Antonio

To London

Cheap Flights from San Antonio to London

Browse current best options from San Antonio. Become a member to unlock all deals and get alerts when new deals appear.

Deals from

San Antonio

RatePunk searches hundreds of travel sites at once for deals on flights to London

Prices updated 7 days ago

483 airlines compared

80%+ AI score for best value

Fares are subject to change and may not be available for all dates. (Data last updated Oct 26, 2026.)

Today’s best flight deals from San Antonio to London

Explore current cheapest deals departing from San Antonio to London

2027-01-12 – 2027-01-22
SAT - London
74% AI deal score
$715
$697
Round trip
2027-01-12 – 2027-01-21
SAT - London
74% AI deal score
$720
$699
Round trip
2027-01-12 – 2027-01-24
SAT - London
73% AI deal score
$714
$719
Round trip
2027-01-12 – 2027-01-28
SAT - London
73% AI deal score
$712
$721
Round trip
2027-01-12 – 2027-01-29
SAT - London
73% AI deal score
$712
$721
Round trip
2027-01-12 – 2027-01-31
SAT - London
73% AI deal score
$709
$743
Round trip
2027-01-20 – 2027-01-24
SAT - London
74% AI deal score
$776
$753
Round trip
2027-01-20 – 2027-01-29
SAT - London
73% AI deal score
$734
$755
Round trip
2027-01-20 – 2027-01-28
SAT - London
73% AI deal score
$738
$755
Round trip
2027-01-29 – 2027-01-31
SAT - London
74% AI deal score
$788
$773
Round trip

San Antonio to London: Overview

Insights for flights from San Antonio to London

For flights from San Antonio to London, recent fares show that 38% were classified as a good price. Prices for this route typically range from $708 to $1054, with a median fare of $915. Right now, current fares are below the typical level, offering a potentially good opportunity for cheap flights from San Antonio to London.

When considering the cheapest time to fly from San Antonio to London, July stands out with a median fare of $558. October is also a more affordable option, with median fares around $648. Even February offers a relatively lower median of $891 compared to the overall typical range.

A typical journey from San Antonio to London takes approximately 16h 43m including connections. Given that most itineraries connect at least once, this duration accounts for the layovers involved. This is a long-haul route, covering a distance of 8023 km between the two cities.

Most itineraries for flights from San Antonio to London involve connections, as 0% of recent fares were non-stop. For connecting flights, the typical number of stopovers is 2. New deals for this route show up several times a week, suggesting regular opportunities to find fares.

How much is a round trip from San Antonio to London

Regular price: $672 - $1,637

Prices for flights from San Antonio to London are currently within the regular range.

Regular prices for flights from San Antonio to London typically range from $672 to $1637. The current lowest deal is $800 with Frontier Airlines for travel from November 18 to November 25.

now $800

Low $672

High $1,637

The cheapest time to fly from San Antonio to London

The cheapest month to fly from San Antonio to London is July, with a median price of $461. The most expensive month is August, with a median price of $1091. Prices are generally lower from February to October.

July

Cheapest

Flights from $461

August

Most Expensive

Flights from $1,091

Jan

Feb

Apr

Jul

Aug

Sep

Oct

Nov

Dec

Direct flights from San Antonio to London

Frontier Airlines

JetBlue Airways

Breeze Airways

Icelandair

Last-minute flights going from San Antonio to London

Sun, Nov 8

⌛ Last-Minute

SAT - London

San Antonio (SAT) - London (LHR)

Deutsche Luft Hansa

$823

$1,023

One-way

Mon, Nov 9

⌛ Last-Minute

SAT - London

San Antonio (SAT) - London (LHR)

Iberia Airlines

$770

$967

One-way

Wed, Nov 18

⌛ Last-Minute

SAT - London

San Antonio (SAT) - London (LTN)

KLM, Aero Services Executive

$755

$924

One-way

Wed, Nov 18

⌛ Last-Minute

SAT - London

San Antonio (SAT) - London (LTN)

KLM, Aero Services Executive

$802

$970

One-way

Sun, Nov 22

⌛ Last-Minute

SAT - London

San Antonio (SAT) - London (LHR)

Frontier Airlines, JetBlue Airways

$833

$907

One-way

Sun, Nov 22

⌛ Last-Minute

SAT - London

San Antonio (SAT) - London (LHR)

Frontier Airlines, JetBlue Airways

$742

$993

One-way

Biggest price drops on these dates for flights from San Antonio to London

3 nights

Nov 23 - Nov 26

$833 → $829

7 nights

Nov 18 - Nov 25

$792 → $800

2 nights

Nov 24 - Nov 26

$838 → $852

15 nights

Apr 6 - Apr 21

$912 → $953

Popular Airports to fly from San Antonio to London

San Antonio - London route insights

💸 Price insights

Recent fares are below the typical level

Recent fares from San Antonio to London are below the typical level at $708 to $1054.

📅 Best time to fly

July is historically cheapest at $558

Historically, July is the cheapest month to fly from San Antonio to London, with a median price of $558.

⏱️ Flight duration

Connecting flights average 16h 43m

Connecting flights from San Antonio to London typically take 16h 43m, covering a long-haul distance.

✈️ Airlines & availability

Connecting flights are dominant for this route

This route is dominated by connecting flights, with a median of 2 stopovers.

🏆 Airline highlight

Frontier Airlines offers a recent deal for $800

A recent deal on Frontier Airlines for $800 was found for November 18-25 via Skyscanner.

🎯 Booking tip

Deals appear regularly for this route

Deals for flights from San Antonio to London appear regularly, offering frequent opportunities to book.

San Antonio main airports to depart from

San Antonio International (SAT)

Cheapest

San Antonio International Airport is a convenient departure point for flights to London.

📍 ~12 km from city center (reachable by car)

💸 Flights from ~$874

London main airports to arrive at

Gatwick (LGW)

Cheapest

Gatwick Airport offers a convenient arrival option for flights to London from San Antonio.

📍 ~40 km from city center

💸 Flights from ~$803

Airports nearby London used as alternative

Birmingham (BHX)

Cheapest

Birmingham Airport is a major international hub with excellent rail connectivity to London Euston.

📍 ~160 km from London (reachable by train)

💸 Flights from ~$792

Business & First Class Flight Deals to London

Discover luxury on the budget with premium cabin class on flights from San Antonio to London.

Elite

Best Elite deals to London

Exclusive daily First Class, Business Class, and Premium Economy flight deals, refreshed every 24 hours.

From SAT

Elite

Mar 14

London, United Kingdom

82% AI deal score

$4,845

$4,333

Save $512

Alaska Airlines, Inc., +1

Business Class

From SAT

Elite

Mar 16

London, United Kingdom

82% AI deal score

$4,905

$4,337

Save $568

Alaska Airlines, Inc., +1

Business Class

From SAT

Elite

Mar 15

London, United Kingdom

81% AI deal score

$4,839

$4,359

Save $480

Alaska Airlines, Inc., +1

Business Class

From SAT

Elite

Mar 14

London, United Kingdom

81% AI deal score

$4,842

$4,428

Save $414

Alaska Airlines, Inc., +1

Business Class

From SAT

Elite

Mar 16

London, United Kingdom

81% AI deal score

$4,885

$4,431

Save $454

Alaska Airlines, Inc., +1

Business Class

From SAT

Elite

Mar 16

London, United Kingdom

81% AI deal score

$4,877

$4,431

Save $446

Alaska Airlines, Inc., +1

Business Class

From SAT

Elite

Mar 16

London, United Kingdom

81% AI deal score

$4,901

$4,431

Save $470

Alaska Airlines, Inc., +1

Business Class

From SAT

Elite

Mar 16

London, United Kingdom

80% AI deal score

$4,697

$4,338

Save $359

Alaska Airlines, Inc., +1

Business Class

From SAT

Elite

Mar 16

London, United Kingdom

80% AI deal score

$4,751

$4,410

Save $341

Alaska Airlines, Inc., +1

Business Class

From SAT

Elite

Mar 16

London, United Kingdom

80% AI deal score

$4,740

$4,433

Save $307

Alaska Airlines, Inc., +1

Business Class

From SAT

Elite

Mar 16

London, United Kingdom

80% AI deal score

$4,740

$4,433

Save $307

Alaska Airlines, Inc., +1

Business Class

From SAT

Elite

Jan 12

London, United Kingdom

79% AI deal score

$4,388

$4,174

Save $214

Alaska Airlines, Inc., +1

Business Class

Frequently Asked Questions About Flights to London

To find more affordable flights, consider being flexible with your travel dates and times. Comparing prices across different airlines and booking platforms can often reveal better deals. Setting up price alerts may also help you catch drops in fares.

Booking flights in advance, often several months ahead, may help secure better prices. However, prices can fluctuate, so monitoring trends can be beneficial. Last-minute deals are rare for international routes and may not be reliable.

Comparing nearby airports at both your origin and destination can sometimes lead to more economical flight options. While it may add to your ground travel time, the potential savings on airfare can be significant. Always factor in the total cost and convenience.

Related routes

More routes from San Antonio

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Flights to London from other cities

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San Antonio to London: Overview

Insights for flights from San Antonio to London

How much is a round trip from San Antonio to London

Regular price: $672 - $1,637

Prices for flights from San Antonio to London are currently within the regular range.

Regular prices for flights from San Antonio to London typically range from $672 to $1637. The current lowest deal is $800 with Frontier Airlines for travel from November 18 to November 25.

now $800

Low $672

High $1,637

The cheapest time to fly from San Antonio to London

July

Cheapest

Flights from $461

August

Most Expensive

Flights from $1,091

Jan

Feb

Apr

Jul

Aug

Sep

Oct

Nov

Dec

Direct flights from San Antonio to London

Frontier Airlines

JetBlue Airways

Breeze Airways

Icelandair

Last-minute flights going from San Antonio to London

Sun, Nov 8

⌛ Last-Minute

SAT - London

San Antonio (SAT) - London (LHR)

Deutsche Luft Hansa

$823

$1,023

One-way

Mon, Nov 9

⌛ Last-Minute

SAT - London

San Antonio (SAT) - London (LHR)

Iberia Airlines

$770

$967

One-way

Wed, Nov 18

⌛ Last-Minute

SAT - London

San Antonio (SAT) - London (LTN)

KLM, Aero Services Executive

$755

$924

One-way

Wed, Nov 18

⌛ Last-Minute

SAT - London

San Antonio (SAT) - London (LTN)

KLM, Aero Services Executive

$802

$970

One-way

Sun, Nov 22

⌛ Last-Minute

SAT - London

San Antonio (SAT) - London (LHR)

Frontier Airlines, JetBlue Airways

$833

$907

One-way

Sun, Nov 22

⌛ Last-Minute

SAT - London

San Antonio (SAT) - London (LHR)

Frontier Airlines, JetBlue Airways

$742

$993

One-way

Biggest price drops on these dates for flights from San Antonio to London

3 nights

Nov 23 - Nov 26

$833 → $829

7 nights

Nov 18 - Nov 25

$792 → $800

2 nights

Nov 24 - Nov 26

$838 → $852

15 nights

Apr 6 - Apr 21

$912 → $953

Popular Airports to fly from San Antonio to London

San Antonio - London route insights

💸 Price insights

Recent fares are below the typical level

Recent fares from San Antonio to London are below the typical level at $708 to $1054.

📅 Best time to fly

July is historically cheapest at $558

Historically, July is the cheapest month to fly from San Antonio to London, with a median price of $558.

⏱️ Flight duration

Connecting flights average 16h 43m

Connecting flights from San Antonio to London typically take 16h 43m, covering a long-haul distance.

✈️ Airlines & availability

Connecting flights are dominant for this route

This route is dominated by connecting flights, with a median of 2 stopovers.

🏆 Airline highlight

Frontier Airlines offers a recent deal for $800

A recent deal on Frontier Airlines for $800 was found for November 18-25 via Skyscanner.

🎯 Booking tip

Deals appear regularly for this route

Deals for flights from San Antonio to London appear regularly, offering frequent opportunities to book.

San Antonio main airports to depart from

San Antonio International (SAT)

Cheapest

San Antonio International Airport is a convenient departure point for flights to London.

📍 ~12 km from city center (reachable by car)

💸 Flights from ~$874

London main airports to arrive at

Gatwick (LGW)

Cheapest

Gatwick Airport offers a convenient arrival option for flights to London from San Antonio.

📍 ~40 km from city center

💸 Flights from ~$803

Airports nearby London used as alternative

Birmingham (BHX)

Cheapest

Birmingham Airport is a major international hub with excellent rail connectivity to London Euston.

London, United Kingdom

79% AI deal score

$4,388

$4,174

Save $214

Alaska Airlines, Inc., +1

Business Class

Frequently Asked Questions About Flights to London

Cheap Flights from San Antonio to London

Today’s best flight deals from San Antonio to London

San Antonio to London: Overview

Insights for flights from San Antonio to London

How much is a round trip from San Antonio to London

The cheapest time to fly from San Antonio to London

Direct flights from San Antonio to London

Last-minute flights going from San Antonio to London

Biggest price drops on these dates for flights from San Antonio to London

Popular Airports to fly from San Antonio to London

San Antonio - London route insights

Recent fares are below the typical level

July is historically cheapest at $558

Connecting flights average 16h 43m

Connecting flights are dominant for this route

Frontier Airlines offers a recent deal for $800

Deals appear regularly for this route

San Antonio main airports to depart from

London main airports to arrive at

Airports nearby London used as alternative

Business & First Class Flight Deals to London

Best Elite deals to London

Mar 14

Mar 16

Mar 15

Mar 14

Mar 16

Mar 16

Mar 16

Mar 16

Mar 16

Mar 16

Mar 16

Jan 12

Frequently Asked Questions About Flights to London

How can I find cheap flights from San Antonio to London?

When should I book flights from San Antonio to London?

Should I compare nearby airports for flights from San Antonio to London?

Are direct flights from San Antonio to London always the best option?

Can flexible travel dates help on San Antonio to London flights?

What extra costs should I check before booking San Antonio to London flights?

Related routes

More routes from San Antonio

Flights to London from other cities

San Antonio to London: Overview

Insights for flights from San Antonio to London

How much is a round trip from San Antonio to London

The cheapest time to fly from San Antonio to London

Direct flights from San Antonio to London

Last-minute flights going from San Antonio to London

Biggest price drops on these dates for flights from San Antonio to London

Popular Airports to fly from San Antonio to London

San Antonio - London route insights

Recent fares are below the typical level

July is historically cheapest at $558

Connecting flights average 16h 43m

Connecting flights are dominant for this route

Frontier Airlines offers a recent deal for $800

Deals appear regularly for this route

San Antonio main airports to depart from

London main airports to arrive at

Airports nearby London used as alternative

Business & First Class Flight Deals to London

Best Elite deals to London

Mar 14

Mar 16

Mar 15

Mar 14

Mar 16

Mar 16

Mar 16

Mar 16

Mar 16

Mar 16

Mar 16

Jan 12

Frequently Asked Questions About Flights to London

How can I find cheap flights from San Antonio to London?

When should I book flights from San Antonio to London?

Should I compare nearby airports for flights from San Antonio to London?