Cheap flights from San Antonio (SAT) to Heathrow (LHR) from $588

This is the cheapest one-way flight price, found on 6/1. Prices may vary by date and flight preferences.
SAT — LHR
Jun 6 — Jun 131
100% Free
Cheapflights is completely free to use, so you can start saving the moment you arrive.
Book with Flexibility
Our users can plan ahead with confidence and find flights with no change fees
Travel Smart
Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.

How to find the cheapest flight from San Antonio (SAT) to Heathrow (LHR)

All the information you need to plan the best SAT to LHR flight in 2023: compare San Antonio to Heathrow flight prices with the expected peak season, weather and rainfall in Heathrow.

Popular in

July

Cheapest in

January

Average price

$1,174

Round-trip from

$633
High demand for flights, 25% potential price rise
Best time to find cheap flights, 22% potential price drop
Average for round-trip flights in June 2023
From San Antonio to London Heathrow

SAT - LON

Price

$633 - $1,115

LON

Temperature

39.2 - 62.6 °F

LON

Rainfall

1.6 - 2.8 inches

Cheap flights from San Antonio to Heathrow in June, July 2023

The best prices found for SAT to LHR flights for June, July
Scroll through some of the best deals on flights from San Antonio to London in 2023. More deals are always being added, so be sure to check back regularly.

San Antonio to Heathrow 2023 flight deals

Cheap flights to Heathrow from San Antonio found for this year
Scroll through some of the best deals on flights from San Antonio to London in 2023. More deals are always being added, so be sure to check back regularly.

Cheap British Airways flights from San Antonio to Heathrow

Peruse some of the lowest-priced British Airways flights we've found from San Antonio to London. Make sure to check back often as deals are often changing.

Cheap Finnair flights from San Antonio to Heathrow

To aid your search, here are some of the cheapest Finnair flights we've found from San Antonio to London. Make sure to examine the flight information before completing your reservation.

Last minute flights from San Antonio to Heathrow

Late deals on return flights to Heathrow from San Antonio, departing today and this week
Book one of these great deals on flights from San Antonio to London. It's wise to confirm all flight details are correct before booking.

One-way flights to Heathrow from San Antonio

The cheapest one-way flights from San Antonio to Heathrow
Users traveling one-way from San Antonio to London can select one of these great deals. For those needing a return trip from San Antonio, there is a search form available above.

Find flights from San Antonio to Heathrow within your budget

Use the slider to find flights from San Antonio to Heathrow that fit your budget.

Fly from

Any airport

Fly to

Any airport

Budget

$719 - $787

Route

Depart

Return

Price

San AntonioLondon Heathrow

SAT - LHR

SATLHR

San Antonio

Sun 10/22

1 stop11h 13m

London Heathrow

Sat 11/4

1 stop13h 11m

San AntonioLondon Heathrow

SAT - LHR

SATLHR

San Antonio

Sun 11/5

1 stop33h 44m

London Heathrow

Wed 11/15

2 stops31h 26m

San AntonioLondon Heathrow

SAT - LHR

SATLHR

San Antonio

Tue 10/3

1 stop20h 00m

London Heathrow

Wed 10/11

2 stops18h 14m

San AntonioLondon Heathrow

SAT - LHR

SATLHR

San Antonio

Wed 9/20

2 stops22h 20m

London Heathrow

Wed 9/27

2 stops31h 30m

San AntonioLondon Heathrow

SAT - LHR

SATLHR

San Antonio

Tue 10/3

2 stops21h 26m

London Heathrow

Wed 10/11

2 stops31h 35m

San AntonioLondon Heathrow

SAT - LHR

SATLHR

San Antonio

Wed 9/20

1 stop19h 55m

London Heathrow

Wed 9/27

2 stops16h 33m

San AntonioLondon Heathrow

SAT - LHR

SATLHR

San Antonio

Wed 9/20

1 stop14h 26m

London Heathrow

Wed 9/27

1 stop16h 48m

San AntonioLondon Heathrow

SAT - LHR

SATLHR

San Antonio

Wed 9/20

3 stops17h 50m

London Heathrow

Wed 9/27

2 stops16h 32m

San AntonioLondon Heathrow

SAT - LHR

SATLHR

San Antonio

Sun 10/22

1 stop14h 52m

London Heathrow

Sat 11/4

2 stops19h 27m

Flights are sorted by cheapest first

Deals found on 6/1

Reviews of Airlines Servicing Heathrow

Read through reviews of airlines operating flights from San Antonio to London, such as British Airways, Finnair and United Airlines. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
2,370 reviews

Entertainment

7.8

Boarding

8.1

Overall

8.0

Comfort

7.9

Crew

8.5

Food

7.2

Reviews

1 / 10

My golf clubs were not on my flight and I missed my tee time the next day

Delta
8.0
Very good
2,370 reviews
Delta
8.0
Very good
2,370 reviews

Entertainment

7.8

Boarding

8.1

Overall

8.0

Comfort

7.9

Crew

8.5

Food

7.2

Reviews

1 / 10

My golf clubs were not on my flight and I missed my tee time the next day

United Airlines
7.6
Good
1,531 reviews
Delta
8.0
Very good
2,370 reviews

Entertainment

7.8

Boarding

8.1

Overall

8.0

Comfort

7.9

Crew

8.5

Food

7.2

Reviews

1 / 10

My golf clubs were not on my flight and I missed my tee time the next day

JetBlue
7.5
Good
609 reviews
Delta
8.0
Very good
2,370 reviews

Entertainment

7.8

Boarding

8.1

Overall

8.0

Comfort

7.9

Crew

8.5

Food

7.2

Reviews

1 / 10

My golf clubs were not on my flight and I missed my tee time the next day

Finnair
7.5
Good
277 reviews
Delta
8.0
Very good
2,370 reviews

Entertainment

7.8

Boarding

8.1

Overall

8.0

Comfort

7.9

Crew

8.5

Food

7.2

Reviews

1 / 10

My golf clubs were not on my flight and I missed my tee time the next day

American Airlines
7.3
Good
2,149 reviews
Delta
8.0
Very good
2,370 reviews

Entertainment

7.8

Boarding

8.1

Overall

8.0

Comfort

7.9

Crew

8.5

Food

7.2

Reviews

1 / 10

My golf clubs were not on my flight and I missed my tee time the next day

Related info for your journey

Useful info, stats and facts about San Antonio to Heathrow flights.

Alternative routes for San Antonio to Heathrow

See prices for flight routes from nearby airports that may be better suited for you.
Austin to Heathrowfrom $665 pp

Top 9 airlines flying from San Antonio to Heathrow

The chart below displays the airlines Cheapflights users traveling from San Antonio to Heathrow choose most often. Cheapest and average prices are based on aggregated data from the past 12 months.
AirlineCheapestAverageFlexibilityOn-timeCOVID-19 safety
IberiaCheapest$608Average$900FlexibilityNo cancel feeOn-time77%COVID-19 safety
Search Iberia flights
KLMCheapest$642Average$1,191FlexibilityNo cancel feeOn-time75%COVID-19 safety
Search KLM flights
FinnairCheapest$672Average$739FlexibilityNo cancel feeOn-time76%COVID-19 safety
Search Finnair flights
Virgin AtlanticCheapest$683Average$1,016FlexibilityNo cancel feeOn-time72%COVID-19 safety
Search Virgin Atlantic flights
United AirlinesCheapest$686Average$981FlexibilityNo cancel feeOn-time69%COVID-19 safety
Search United Airlines flights
American AirlinesCheapest$688Average$992FlexibilityNo cancel feeOn-time71%COVID-19 safety
Search American Airlines flights
LufthansaCheapest$692Average$1,189FlexibilityNo cancel feeOn-time76%COVID-19 safety
Search Lufthansa flights
British AirwaysCheapest$723Average$1,033FlexibilityNo cancel feeOn-time70%COVID-19 safety
Search British Airways flights
DeltaCheapest$810Average$1,326FlexibilityNo cancel feeOn-timeN/ACOVID-19 safety
Search Delta flights