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Cheap flights from San Antonio (SAT) to Heathrow (LHR) from $495

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 7/19. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
SAT — LHR
May 3 — May 101
From?
To?
Fri 5/3
Fri 5/10
1 adult, Economy
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The best prices from San Antonio to London Heathrow are usually found in February or January, booked 90 days in advance, depart on a Wednesday or Sunday and return on a Thursday

Cheap flight deals from San Antonio to Heathrow

Discover tips and strategies to find the most affordable flight options for your journey from San Antonio (SAT) to Heathrow (LHR). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated April 28, 2024.

Popular in

June

Cheapest in

February

Average price

$785

Round-trip from

$643
High demand for flights, 34% potential price rise
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Best time to find cheap flights, 27% potential price drop
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Average for round-trip flights in April 2024
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From San Antonio to London Heathrow
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What is the cheapest day to fly round-trip from San Antonio to London Heathrow Airport?

Flights from San Antonio to London Heathrow Airport are found to be more expensive on Sunday. This shouldn't discourage you from searching as you can still find great deals by being flexible with your options. Use our search form to find deals on tickets to London Heathrow Airport.

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

Travelers have found it’s best to book a flight 58 days in advance to save up to 140% compared to booking the same week of travel. As your travel date approaches, the cost of this flight route may potentially increase. While opting to book 58 days out may not be an option for all, there are still additional ways to secure a deal in the near future. You might find a flight from San Antonio to London Heathrow Airport 1-2 weeks in advance for as low as $780, or $1,856 for flights within the next 24 hours.

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

Our data shows that February tends to be the cheapest month to fly to London Heathrow Airport from San Antonio. Users have commonly found prices around $930 for the month, but tickets can be as low as $607. Due to multiple factors, prepare for potentially higher prices in June.

When is the cheapest time to fly from San Antonio to London Heathrow Airport (SAT - LHR)?

When flying from San Antonio to London Heathrow Airport, the time of day you fly usually plays a role in the price. Save by searching for a flight in the afternoon, which can drop the price by up to 24% versus a flight in the morning.

Cheap Delta flights from San Antonio to Heathrow

Explore cheap flight options specifically provided by Delta for the route between San Antonio and Heathrow. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 2,944,896 searches. Data last updated April 28, 2024.
Peruse some of the lowest-priced Delta flights we've found from San Antonio to London. Make sure to check back often as deals are often changing.
Tue 9/2412:10 pmSAT - LHR
1 stop18h 05mDelta
Tue 10/811:30 amLHR - SAT
2 stops18h 29mDelta
Deal found 4/27$782
Tue 9/2410:30 amSAT - LHR
2 stops17h 45mDelta
Tue 10/811:30 amLHR - SAT
2 stops18h 29mDelta
Deal found 4/27$786
Sun 8/1812:10 pmSAT - LHR
1 stop16h 05mDelta
Sat 8/3111:30 amLHR - SAT
2 stops17h 44mDelta
Deal found 4/28$788
Tue 9/1712:10 pmSAT - LHR
1 stop15h 15mDelta
Fri 9/276:30 amLHR - SAT
2 stops16h 48mDelta
Deal found 4/27$815
Wed 8/2110:30 amSAT - LHR
2 stops14h 45mDelta
Thu 11/146:20 amLHR - SAT
2 stops17h 03mDelta
Deal found 4/27$817
Tue 10/12:00 pmSAT - LHR
2 stops16h 15mDelta
Sat 10/1211:35 amLHR - SAT
1 stop13h 41mDelta
Deal found 4/27$843
Sat 9/2112:10 pmSAT - LHR
1 stop12h 10mDelta
Sun 9/298:20 amLHR - SAT
2 stops18h 51mDelta
Deal found 4/27$893
Fri 5/33:00 pmSAT - LHR
1 stop14h 10mDelta
Wed 5/811:30 amLHR - SAT
2 stops18h 57mDelta
Deal found 4/28$1,711
Tue 5/77:00 amSAT - LHR
2 stops18h 15mDelta
Thu 5/236:15 amLHR - SAT
2 stops16h 51mDelta
Deal found 4/28$6,348

Cheap American Airlines flights from San Antonio to Heathrow

Explore cheap flight options specifically provided by American Airlines for the route between San Antonio and Heathrow. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 2,944,896 searches. Data last updated April 28, 2024.
To aid your search, here are some of the cheapest American Airlines flights we've found from San Antonio to London. Make sure to examine the flight information before completing your reservation.
Tue 9/245:53 pmSAT - LHR
1 stop12h 17mAmerican Airlines
Tue 10/89:15 amLHR - SAT
1 stop16h 40mAmerican Airlines
Deal found 4/27$785
Tue 10/111:49 amSAT - LHR
1 stop13h 41mAmerican Airlines
Tue 10/1512:30 pmLHR - SAT
1 stop16h 39mAmerican Airlines
Deal found 4/27$787
Tue 9/175:53 pmSAT - LHR
1 stop12h 17mAmerican Airlines
Fri 9/279:15 amLHR - SAT
1 stop16h 40mAmerican Airlines
Deal found 4/27$816
Thu 10/311:49 amSAT - LHR
1 stop13h 41mAmerican Airlines
Thu 10/171:05 pmLHR - SAT
1 stop16h 28mAmerican Airlines
Deal found 4/27$837
Sun 8/2511:49 amSAT - LHR
1 stop15h 16mAmerican Airlines
Sat 9/79:15 amLHR - SAT
1 stop13h 04mAmerican Airlines
Deal found 4/27$866
Thu 10/245:53 pmSAT - LHR
1 stop12h 17mAmerican Airlines
Sat 11/911:50 amLHR - SAT
1 stop16h 27mAmerican Airlines
Deal found 4/27$885

Cheap San Antonio to Heathrow flights in April & May 2024

Find cheap flight options from San Antonio to Heathrow specifically for the months of April and May 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 2,944,896 searches. Prices were last updated on April 28, 2024.
Scroll through some of the best deals on flights from San Antonio to London in 2024. More deals are always being added, so be sure to check back regularly.
Sat 5/181:03 pmSAT - LHR
2 stops21h 17mMultiple Airlines
Mon 6/312:05 pmLHR - SAT
2 stops27h 04mMultiple Airlines
Deal found 4/28$739
Sat 5/181:03 pmSAT - LHR
2 stops21h 17mMultiple Airlines
Mon 6/312:05 pmLHR - SAT
3 stops34h 21mMultiple Airlines
Deal found 4/28$786
Sat 5/181:03 pmSAT - LHR
2 stops16h 52mMultiple Airlines
Mon 6/31:05 pmLHR - SAT
2 stops26h 04mMultiple Airlines
Deal found 4/27$795
Wed 5/154:15 pmSAT - LHR
1 stop13h 20mUnited Airlines
Fri 5/317:25 amLHR - SAT
2 stops17h 43mUnited Airlines
Deal found 4/27$835
Wed 5/157:00 amSAT - LHR
2 stops21h 00mUnited Airlines
Fri 5/316:50 amLHR - SAT
2 stops19h 05mUnited Airlines
Deal found 4/28$840
Sat 5/181:03 pmSAT - LHR
2 stops25h 17mMultiple Airlines
Mon 6/31:05 pmLHR - SAT
3 stops33h 21mMultiple Airlines
Deal found 4/27$846
Wed 5/155:47 pmSAT - LHR
1 stop11h 48mUnited Airlines
Fri 5/312:50 pmLHR - SAT
1 stop15h 09mUnited Airlines
Deal found 4/28$848
Wed 5/157:00 amSAT - LHR
2 stops17h 30mAir Canada
Fri 5/3112:05 pmLHR - SAT
2 stops31h 13mAir Canada
Deal found 4/27$854
Wed 5/88:59 pmSAT - LHR
2 stops41h 56mMultiple Airlines
Wed 5/227:10 amLHR - SAT
1 stop17h 20mMultiple Airlines
Deal found 4/27$855

San Antonio to Heathrow 2024 flight deals

Discover exclusive flight deals for travel between San Antonio and Heathrow in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 2,944,896 searches. Data last updated April 28, 2024.
Scroll through some of the best deals on flights from San Antonio to London in 2024. More deals are always being added, so be sure to check back regularly.
Sat 5/181:03 pmSAT - LHR
2 stops21h 17mMultiple Airlines
Mon 6/312:05 pmLHR - SAT
2 stops27h 04mMultiple Airlines
Deal found 4/28$739
Wed 10/3012:00 pmSAT - LHR
1 stop14h 15mDelta
Thu 11/79:00 amLHR - SAT
2 stops18h 11mDelta
Deal found 4/26$781
Tue 9/2412:10 pmSAT - LHR
1 stop18h 05mDelta
Tue 10/811:30 amLHR - SAT
2 stops18h 29mDelta
Deal found 4/27$782
Tue 9/245:53 pmSAT - LHR
1 stop12h 17mAmerican Airlines
Tue 10/89:15 amLHR - SAT
1 stop16h 40mAmerican Airlines
Deal found 4/27$785
Sat 5/181:03 pmSAT - LHR
2 stops21h 17mMultiple Airlines
Mon 6/312:05 pmLHR - SAT
3 stops34h 21mMultiple Airlines
Deal found 4/28$786
Tue 9/245:53 pmSAT - LHR
1 stop12h 17mAmerican Airlines
Fri 10/44:25 pmLHR - SAT
1 stop13h 08mAmerican Airlines
Deal found 4/28$787
Sun 8/1812:10 pmSAT - LHR
1 stop18h 05mDelta
Sat 8/319:00 amLHR - SAT
2 stops20h 14mDelta
Deal found 4/27$788
Tue 10/112:00 pmSAT - LHR
1 stop12h 45mMultiple Airlines
Tue 10/153:50 pmLHR - SAT
2 stops37h 24mMultiple Airlines
Deal found 4/27$792
Wed 10/161:16 pmSAT - LHR
1 stop12h 34mBritish Airways
Mon 11/45:25 pmLHR - SAT
2 stops30h 22mBritish Airways
Deal found 4/27$793

San Antonio to Heathrow flights leaving soon

Find last-minute flight options from San Antonio to Heathrow for spontaneous travel. Discover available flights and compare prices based on user searches. Secure great deals and offers for spontaneous trips with quick booking options. Over the last 7 days, Cheapflights users made 2,944,896 searches. Data last updated April 28, 2024.
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.
Wed 5/88:59 pmSAT - LHR
2 stops41h 56mMultiple Airlines
Wed 5/227:10 amLHR - SAT
1 stop17h 20mMultiple Airlines
Deal found 4/27$855
Wed 5/88:59 pmSAT - LHR
1 stop18h 41mMultiple Airlines
Wed 5/227:10 amLHR - SAT
1 stop17h 20mMultiple Airlines
Deal found 4/27$899
Sat 5/410:13 amSAT - LHR
1 stop14h 17mJetBlue
Wed 5/87:25 amLHR - SAT
1 stop15h 21mJetBlue
Deal found 4/27$952
Sat 5/41:00 pmSAT - LHR
1 stop14h 20mMultiple Airlines
Wed 5/81:45 pmLHR - SAT
2 stops29h 20mMultiple Airlines
Deal found 4/27$1,033
Wed 5/89:45 amSAT - LHR
2 stops14h 45mUnited Airlines
Wed 5/226:50 amLHR - SAT
2 stops19h 25mUnited Airlines
Deal found 4/27$1,053
Wed 5/87:30 amSAT - LHR
3 stops17h 00mMultiple Airlines
Wed 5/229:30 amLHR - SAT
2 stops16h 45mMultiple Airlines
Deal found 4/27$1,067
Fri 5/39:18 amSAT - LHR
2 stops22h 52mMultiple Airlines
Fri 5/104:35 pmLHR - SAT
1 stop25h 35mMultiple Airlines
Deal found 4/28$1,120
Fri 5/39:18 amSAT - LHR
1 stop14h 32mMultiple Airlines
Fri 5/104:35 pmLHR - SAT
1 stop25h 35mMultiple Airlines
Deal found 4/28$1,276
Fri 5/310:13 amSAT - LHR
1 stop14h 17mJetBlue
Wed 5/87:25 amLHR - SAT
1 stop15h 21mJetBlue
Deal found 4/28$1,300

One-way flights to Heathrow from San Antonio

Search for one-way flight options from San Antonio to Heathrow. Find affordable one-way fares based on user searches. Compare prices and availability to plan your one-way journey according to your preferred dates and budget. Over the last 7 days, Cheapflights users made 2,944,896 searches. Data last updated April 28, 2024.
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.
Fri 7/1911:35 amSAT - LHR
1 stop12h 55mJetBlue
Deal found 4/27$495
Mon 7/811:35 amSAT - LHR
1 stop12h 55mJetBlue
Deal found 4/27$514
Thu 7/44:28 pmSAT - LHR
2 stops22h 07mMultiple Airlines
Deal found 4/27$518
Wed 6/56:45 amSAT - LHR
3 stops48h 25mMultiple Airlines
Deal found 4/27$559
Fri 5/108:41 pmSAT - LHR
3 stops58h 49mMultiple Airlines
Deal found 4/27$571
Thu 7/45:21 amSAT - LHR
3 stops32h 59mMultiple Airlines
Deal found 4/27$594
Fri 5/101:12 pmSAT - LHR
2 stops26h 53mMultiple Airlines
Deal found 4/27$595
Thu 6/63:05 pmSAT - LHR
3 stops49h 25mMultiple Airlines
Deal found 4/27$638
Fri 5/101:12 pmSAT - LHR
1 stop15h 18mMultiple Airlines
Deal found 4/27$639

Find flights from San Antonio to Heathrow within your budget

Customize your flight search to find flights from San Antonio to Heathrow 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, Cheapflights users made 2,944,896 searches. Data last updated April 28, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$782 - $838

Route

Depart

Return

Price

San AntonioLondon Heathrow

SAT - LHR

SATLHR

San Antonio

Tue 9/24

1 stop18h 05m

London Heathrow

Tue 10/8

2 stops18h 29m

$782

San AntonioLondon Heathrow

SAT - LHR

SATLHR

San Antonio

Tue 9/24

1 stop12h 17m

London Heathrow

Tue 10/8

1 stop16h 40m

$785

San AntonioLondon Heathrow

SAT - LHR

SATLHR

San Antonio

Tue 10/1

1 stop12h 45m

London Heathrow

Tue 10/15

2 stops37h 24m

$792

San AntonioLondon Heathrow

SAT - LHR

SATLHR

San Antonio

Wed 10/16

1 stop12h 34m

London Heathrow

Mon 11/4

2 stops30h 22m

$793

San AntonioLondon Heathrow

SAT - LHR

SATLHR

San Antonio

Sun 8/18

1 stop13h 50m

London Heathrow

Sat 8/31

1 stop14h 49m

$794

San AntonioLondon Heathrow

SAT - LHR

SATLHR

San Antonio

Wed 8/21

1 stop13h 05m

London Heathrow

Thu 11/14

2 stops17h 07m

$808

San AntonioLondon Heathrow

SAT - LHR

SATLHR

San Antonio

Sun 8/18

2 stops15h 30m

London Heathrow

Sat 8/31

2 stops16h 56m

$818

San AntonioLondon Heathrow

SAT - LHR

SATLHR

San Antonio

Wed 10/16

2 stops18h 00m

London Heathrow

Mon 11/4

2 stops30h 52m

$824

San AntonioLondon Heathrow

SAT - LHR

SATLHR

San Antonio

Fri 10/4

1 stop12h 46m

London Heathrow

Fri 10/18

1 stop14h 41m

$838

Flights are sorted by cheapest first

Deals found on 4/27

When is the best time to book a flight from San Antonio to London Heathrow Airport?

Use this chart to determine the optimal time to book a round-trip flight from San Antonio to Heathrow. Price data was last updated on January 28, 2024.
To ensure you get the cheapest price possible for a flight from San Antonio to London Heathrow Airport, you should look to book at least 90 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.
Search Deals

When is the cheapest time to fly from San Antonio to London Heathrow Airport?

Use this chart to determine the cheapest time to fly round-trip from San Antonio to Heathrow. Price data was last updated on April 21, 2024.
Morning
Noon
Afternoon
Evening
All times are departure.
Travelers seeking maximum savings on their San Antonio to London Heathrow Airport flight should consider departing on Wednesday afternoons when fares are most often at their lowest. Friday evenings flights should be avoided if possible as fares are typically the most expensive at this time.
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Average price of flights to Heathrow by month

Plan your trip from San Antonio to Heathrow by taking into account the cheapest months to travel. The average price of a one-way flight from San Antonio to Heathrow is currently $569 while a round-trip flight costs $804. Price data was last updated on April 28, 2024.

Currently, November is the cheapest month in which you can book a flight from San Antonio to London Heathrow Airport (average of $653). Flying from San Antonio to London Heathrow Airport in June is currently the most expensive (average of $1,173). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

January

$675

February

$664

March

$715

April

$700

May

$748

June

$1,173

July

$987

August

$779

September

$748

October

$712

November

$653

December

$672

Temperature and rainfall in Heathrow by month

Plan your trip to Heathrow by taking into account the average temperature and rainfall totals by month.

LON

Temperature

39.2 - 62.6 °F

Reviews of airlines servicing Heathrow

Get insights into the airlines that provide service to Heathrow. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Heathrow. Reviews last updated April 28, 2024.
Read through reviews of airlines operating flights from San Antonio to London, such as Delta, American Airlines and United Airlines. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.1
Very good
10,932 reviews
Check prices

Entertainment

8.0

Crew

8.6

Overall

8.1

Boarding

8.2

Food

7.4

Comfort

7.9

Reviews

1 / 10

Terrible flight crew that skipped our row for service multiple times.

Delta
8.1
Very good
10,932 reviews
Delta
8.1
Very good
10,932 reviews
Check prices

Entertainment

8.0

Crew

8.6

Overall

8.1

Boarding

8.2

Food

7.4

Comfort

7.9

Reviews

1 / 10

Terrible flight crew that skipped our row for service multiple times.

Virgin Atlantic
7.7
Good
745 reviews
Delta
8.1
Very good
10,932 reviews
Check prices

Entertainment

8.0

Crew

8.6

Overall

8.1

Boarding

8.2

Food

7.4

Comfort

7.9

Reviews

1 / 10

Terrible flight crew that skipped our row for service multiple times.

JetBlue
7.6
Good
4,582 reviews
Delta
8.1
Very good
10,932 reviews
Check prices

Entertainment

8.0

Crew

8.6

Overall

8.1

Boarding

8.2

Food

7.4

Comfort

7.9

Reviews

1 / 10

Terrible flight crew that skipped our row for service multiple times.

United Airlines
7.4
Good
11,221 reviews
Delta
8.1
Very good
10,932 reviews
Check prices

Entertainment

8.0

Crew

8.6

Overall

8.1

Boarding

8.2

Food

7.4

Comfort

7.9

Reviews

1 / 10

Terrible flight crew that skipped our row for service multiple times.

American Airlines
7.3
Good
14,844 reviews
Delta
8.1
Very good
10,932 reviews
Check prices

Entertainment

8.0

Crew

8.6

Overall

8.1

Boarding

8.2

Food

7.4

Comfort

7.9

Reviews

1 / 10

Terrible flight crew that skipped our row for service multiple times.

Related info for your journey

Find useful and relevant information for your journey from San Antonio to Heathrow. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from San Antonio to London Heathrow?

    Located just 7.6 mi from the city center, San Antonio is the airport most travelers will use when flying to London Heathrow from San Antonio. Booking flights from San Antonio (SAT) to London Heathrow should be relatively easy as there are 0 daily outbound flights to London Heathrow from 9 different airlines.

  • Can I find flights from San Antonio to London Heathrow Airport for under $800 on Cheapflights?

    Yes, there are multiple flights from San Antonio to London Heathrow Airport for under $800. The cheapest flight booked recently is on Delta for just $782, but on average you can expect to pay $806.

  • Are there last-minute flights available from San Antonio to London Heathrow Airport for under $900?

    There are currently 20+ open flights from San Antonio to London Heathrow Airport within the next 7 days for less than $900.

  • What are the cheapest airlines flying from San Antonio to London Heathrow Airport round-trip?

    Cheapflights users have booked flights from San Antonio to London Heathrow Airport round-trip from $782. Other airlines that can offer you cheap pricing are American Airlines, from $785, and British Airways, from $793. Delta is 16% cheaper than the average price of flights available within the next 90 days to this destination.

  • What are the cheapest airlines to fly from San Antonio to London Heathrow Airport one-way?

    $495 is the cheapest one-way deal found within the past few days, from JetBlue. You may also be able to find cheap deals on United Airlines and Air Canada, with prices starting from $642 and $648, respectively.

  • What are the most popular airlines that fly from San Antonio to London Heathrow Airport?

    When booking a flight from San Antonio to London Heathrow Airport, you may want to consider flying on American Airlines, Finnair or British Airways as they are the most popular for this route.

  • What does SAT to LHR mean?

    Great question - SAT to LHR just means San Antonio Airport to London Heathrow Airport. Now you’ll know what these unique codes when you look for flights!

  • Can I find deals for flights from San Antonio to Heathrow that include extra baggage allowance?

    The amount of baggage you can bring on your San Antonio to Heathrow flight depends on the airline and the type of fare you've chosen. After entering your flight details, you'll be able to view the specific baggage policies for each deal in the search results. Keep in mind that certain deals may offer additional baggage allowance.

  • Can I find deals on flights from San Antonio to Heathrow with specific airlines?

    Yes, Cheapflights allows you to browse and filter San Antonio to Heathrow flight deals by airline. After entering your origin and destination, use the available filters to view flights offered by airlines.

  • Can I find deals for flights from San Antonio to Heathrow that include hotel bookings?

    Yes. In addition to deals on San Antonio to Heathrow flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from San Antonio to Heathrow?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from San Antonio to Heathrow.

  • Can I find deals for business class flights from San Antonio to Heathrow?

    Yes. Cheapflights offers flight deals from San Antonio to Heathrow by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • Can I find deals for flights from San Antonio to Heathrow that allow pets onboard?

    Many airlines flying from San Antonio to Heathrow offer the option to travel with pets. After selecting a flight deal, you can find more information about the airline's pet policy on their official website or by contacting the airline directly. Please note that additional fees and restrictions may apply.

  • Can I find deals on last-minute flights from San Antonio to Heathrow?

    Yes, you can often find last-minute deals on San Antonio to Heathrow flights on Cheapflights. However, these deals can vary and may not always be available. We recommend checking back frequently or signing up for price alerts for the most up-to-date deals.

  • How recently were the San Antonio to London Heathrow Airport flight deals updated?

    The San Antonio to London Heathrow Airport flight deals you see on this page were last updated on 4/28.

See more FAQs

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Alternative routes for San Antonio to Heathrow
See prices for flight routes from nearby airports that may be better suited for you.

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Top 9 airlines flying from San Antonio to Heathrow

Discover the top 9 airlines that operate flights from San Antonio to Heathrow. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,944,896 searches. Data last updated April 28, 2024.
AirlineCheapestAverageFlexibilityOn-time
LufthansaCheapest$517Average$1,229FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
KLMCheapest$605Average$1,170FlexibilityNo cancel feeOn-time75%
Search KLM flights
Virgin AtlanticCheapest$611Average$957FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
IberiaCheapest$611Average$881FlexibilityNo cancel feeOn-time77%
Search Iberia flights
British AirwaysCheapest$619Average$898FlexibilityNo cancel feeOn-time70%
Search British Airways flights
United AirlinesCheapest$634Average$958FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
DeltaCheapest$652Average$1,008FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
American AirlinesCheapest$653Average$942FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
FinnairCheapest$672Average$698FlexibilityNo cancel feeOn-time76%
Search Finnair flights
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Deals for San Antonio to Heathrow flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

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Cheapflights helps you find that perfect flight to Heathrow from San Antonio by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

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Can Cheapflights notify me if prices for flights from San Antonio to Heathrow become cheaper?

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Heathrow from San Antonio today and book when prices fit your budget.

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