SAT - LHR

$332 Find Cheap Flights from San Antonio to London Heathrow Airport - Compare and Save

1 adult
1 adult, Economy, 0 bags

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Everything you should know

Cheapest round-trip
$715
Typical prices: $707-$1,179
Finnair
Sun 10/14Sun 10/21
SAT - LHR • 1 stop
Cheapest one-way
$332
Typical prices: $323-$578
United Airlines
Thu 1/4
SAT - LHR • 2 stops
Nonstop flights
Not available
There are currently no direct flights between San Antonio and London Heathrow Airport. You'll need to take a connecting flight to reach the destination.
Insights
Insights
When to book
10 weeks
in advance
Our data shows that travelers who book at least 10 weeks in advance save around 35% compared to booking last minute.
Insights
Insights
When to travel
February
Cheapest • 30% price drop
June
Most popular
Good to know
+1
Good to know
+1
Top layover airports
Denver Intl (DEN)
Cheapest • Avg $675 (round-trip)
Dallas/Fort Worth (DFW)
Shortest trip • 12h 34m (one-way)
Insights
Insights
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We hope you love your trip to London Heathrow Airport!
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Booking Insights
Flight Deals

Cheap Flights from San Antonio to Heathrow (SAT-LHR)

 
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from San Antonio to Heathrow

Wed, Oct 14 - Wed, Oct 21
Finnair Logo
2:05 pm - 2:25 pmSAT  San Antonio-LHR London Heathrow
18h 20m1 stop Dallas/Fort Worth
Finnair Logo
8:55 am - 5:46 pmLHR  London Heathrow-SAT San Antonio
14h 51m1 stop Dallas/Fort Worth
$715Finnair
Wed, Nov 4 - Wed, Nov 11
Iberia Logo
11:22 am - 10:00 amSAT  San Antonio-LHR London Heathrow
16h 38m1 stop Dallas/Fort Worth
Iberia Logo
7:40 pm - 8:29 amLHR  London Heathrow-SAT San Antonio
18h 49m2 stops Madrid Barajas Dallas/Fort Worth
$721Iberia
Tue, Oct 27 - Wed, Nov 4
British Airways Logo
12:46 pm - 10:00 amSAT  San Antonio-LHR London Heathrow
16h 14m1 stop Dallas/Fort Worth
British Airways Logo
7:05 pm - 8:29 amLHR  London Heathrow-SAT San Antonio
19h 24m2 stops Madrid Barajas Dallas/Fort Worth
$728British Airways
Wed, Dec 30 - Thu, Jan 14
British Airways Logo
3:00 pm - 8:15 amSAT  San Antonio-LHR London Heathrow
11h 15m1 stop Dallas/Fort Worth
British Airways Logo
7:30 am - 10:59 pmLHR  London Heathrow-SAT San Antonio
21h 29m2 stops Madrid Barajas Dallas/Fort Worth
$728British Airways
Mon, Oct 26 - Tue, Nov 10
United Airlines Logo
2:20 pm - 7:40 amSAT  San Antonio-LHR London Heathrow
12h 20m1 stop Houston George Bush Intcntl
United Airlines Logo
1:00 pm - 11:38 pmLHR  London Heathrow-SAT San Antonio
40h 38m2 stops Montreal Pierre Elliott Trudeau Intl Chicago O'Hare Intl
$733United Airlines
Mon, Oct 26 - Tue, Nov 10
United Airlines Logo
2:20 pm - 7:40 amSAT  San Antonio-LHR London Heathrow
12h 20m1 stop Houston George Bush Intcntl
United Airlines Logo
1:00 pm - 11:38 pmLHR  London Heathrow-SAT San Antonio
40h 38m2 stops Montreal Pierre Elliott Trudeau Intl Chicago O'Hare Intl
$734United Airlines
Wed, Dec 30 - Thu, Jan 14
Delta Logo
7:00 am - 6:25 amSAT  San Antonio-LHR London Heathrow
17h 25m1 stop Atlanta Hartsfield-Jackson
Delta Logo
6:30 am - 9:32 pmLHR  London Heathrow-SAT San Antonio
21h 02m2 stops Amsterdam Schiphol Minneapolis St Paul
$745Delta
Wed, Dec 30 - Wed, Jan 13
Delta Logo
7:00 am - 6:25 amSAT  San Antonio-LHR London Heathrow
17h 25m1 stop Atlanta Hartsfield-Jackson
Delta Logo
6:30 am - 5:18 pmLHR  London Heathrow-SAT San Antonio
16h 48m2 stops Amsterdam Schiphol Atlanta Hartsfield-Jackson
$745Delta
Wed, Oct 7 - Thu, Oct 15
Virgin Atlantic Logo
4:45 pm - 3:00 pmSAT  San Antonio-LHR London Heathrow
16h 15m1 stop Los Angeles
Virgin Atlantic Logo
8:05 pm - 12:18 pmLHR  London Heathrow-SAT San Antonio
22h 13m1 stop New York John F Kennedy Intl
$749Virgin Atlantic
Wed, Oct 7 - Wed, Oct 14
Virgin Atlantic Logo
4:45 pm - 3:00 pmSAT  San Antonio-LHR London Heathrow
16h 15m1 stop Los Angeles
Virgin Atlantic Logo
9:20 am - 7:48 pmLHR  London Heathrow-SAT San Antonio
16h 28m1 stop Atlanta Hartsfield-Jackson
$749Virgin Atlantic
Booking Insights

Price, demand and travel trends for San Antonio to London Heathrow Airport flights

Use KAYAK data on prices, travel dates, airlines and seasonal trends to compare options and book flights from San Antonio to London Heathrow Airport with more confidence.

How much is a round-trip flight from San Antonio to London Heathrow Airport?

Round-trip flights from San Antonio to London Heathrow Airport start at $715. Prices are typical for this route right now, with typical round-trip fares ranging from $707 to $1,179. The lowest price found in the past 5 days was $715 on Finnair.

What's the cheapest day of the week to fly from San Antonio to London Heathrow Airport?

Wednesday is the cheapest day of the week to fly from San Antonio to London Heathrow Airport, it is 14% cheaper than the average day. Friday is the most expensive day with flight prices 10% higher than average. Based on deals found by KAYAK users in the last 12 months.

What is the cheapest month to fly from San Antonio to London Heathrow Airport?

•February is the cheapest month to fly from San Antonio to London Heathrow Airport at $655 round-trip.
•June ($1,394) and December ($1,147) are the most expensive months.
•The price difference between flying in the cheapest and most expensive months is 112% on average.
This is based on KAYAK aggregated and averaged internal data over the past 12 months.

When are prices from San Antonio to London Heathrow Airport the cheapest?

Flights from San Antonio to London Heathrow Airport are cheapest 10 weeks before departure. Booking in this window typically costs about 35% less than the average last-minute fare (within 2 weeks of the flight), based on KAYAK data.

Find deals

Key details for San Antonio to London Heathrow Airport flights

Low season

October

Cheapest flight

$332
Best time to beat the crowds with an average 17% drop in price.
Most popular time to fly with an average 49% increase in price.
Flight from San Antonio to London Heathrow Airport

When to book flights from San Antonio to Heathrow

Are your dates flexible? Find out the best times to travel from San Antonio to Heathrow based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price

Your San Antonio to London Heathrow Airport flight questions, answered

Find helpful route details based on KAYAK data, including flight times, airports, airlines and booking questions.

  • Which airports can I use when flying from San Antonio to London Heathrow Airport?

    Flights from San Antonio to London Heathrow Airport usually depart from San Antonio (SAT) and arrive at London Heathrow (LHR).

  • What cabin classes can I book on flights from San Antonio to London Heathrow Airport?

    Four cabin classes are available on flights from San Antonio to London Heathrow Airport:

    • Economy Class
    • Premium Economy Class
    • Business Class
    • First Class

    Prices vary by airline.

  • Which airports do connecting flights from San Antonio to London Heathrow Airport pass through?

    One-stop flights from San Antonio to London Heathrow Airport most commonly connect through:

    • Dallas/Fort Worth (DFW) - 52% of one-stop connections
    • Atlanta Hartsfield-Jackson (ATL) - 22% of one-stop connections
    • Houston George Bush Intcntl (IAH) - 20% of one-stop connections
    • Chicago O'Hare Intl (ORD) - 3% of one-stop connections

    Dallas/Fort Worth (DFW) handles the largest share of one-stop connections on this route.

  • Can I save money by using flexible dates for flights from San Antonio to London Heathrow Airport?

    Yes. Being flexible with your travel dates can save you up to 22% on the San Antonio to London Heathrow Airport route. Wednesday is the cheapest departure day at $807 round-trip on average, while Friday is the most expensive at $1,026, a difference of $219. KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

  • What popular places can I visit in London Heathrow Airport?

    Some of the most popular sights in London Heathrow Airport are Hyde Park, Buckingham Palace and Trafalgar Square. These are among the most viewed places in London Heathrow Airport on KAYAK.

  • How expensive are last-minute San Antonio to London Heathrow Airport flights?

    Last-minute fares on this route - booked within 2 weeks of departure - run 23% above the route average of $932. Book 10 weeks before departure for the lowest fares.

  • How long is a flight from San Antonio to London Heathrow Airport?

    A nonstop flight from San Antonio to London Heathrow Airport takes 0h 00m, covering 4,967 miles.

  • Do I need a passport to fly from San Antonio to London Heathrow Airport?

    Yes, a valid passport is required for this international route. Many destinations require at least six months of validity beyond your travel dates. Check your passport expiry well before booking.

  • How are flight prices from San Antonio to London Heathrow Airport looking right now?

    One-way fares from San Antonio to London Heathrow Airport are currently higher than usual. Average one-way flight prices are about $877, which is 92% above the typical average for this route.

  • How much time can I save by choosing a different layover airport from San Antonio to London Heathrow Airport?

    Flying via Dallas/Fort Worth (DFW) gives the shortest average 1-stop total travel time at 12h 34m, compared with 12h 39m via Houston George Bush Intcntl (IAH) and 12h 55m via Charlotte Douglas (CLT).

  • What is the time difference between San Antonio and London Heathrow Airport?

    London Heathrow Airport is 6 hours ahead of San Antonio (British Time vs Central Time). Plan for the time shift when scheduling connections or first-day activities.

  • What car rental options are available at London Heathrow Airport (LHR)?

    London Heathrow Airport (LHR) hosts 5 major car rental companies, with daily rates starting from around $7 for economy cars. Top options include:
    • GREEN MOTION
    • DRIVALIA
    • Europcar
    • Alamo
    • Hertz

  • How much should I expect to pay for a San Antonio to London Heathrow Airport flight?

    Round-trip flights from San Antonio to London Heathrow Airport range from $707 to $1,179, with an average of $932 over the past 12 months. Anything below $707 counts as a good deal.

Your guide to booking San Antonio to London Heathrow Airport flights

Get tips on when to book, when to fly and what to know before your trip.
  • If your dates can be flexible, aim for a Wednesday departure instead of Friday. On this route, Wednesday flights average $807 - about $219 less than Friday (21% savings) based on the last 12 months.
  • For the best chance at a low fare, aim to book around 10 weeks before you fly. On this route, that window historically saves about 35% versus last-minute pricing (KAYAK booking data, last 12 months).
  • If you can choose when to travel, plan your San Antonio to London Heathrow Airport trip for February. Fares historically average $655 round-trip in that month - typically $739 less than the most expensive month, which is June (based on the last 12 months).
  • If you're arriving late at night and need somewhere to stay, check out these hotels close to London Heathrow Airport.
    - Hilton London Heathrow Airport

More options for your flight from San Antonio to Heathrow

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