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Cheap flights from San Antonio to London Heathrow Airport from £296

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 9/10. 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
21 May — 28 May1
1 adult
Tue 21/5
Tue 28/5

The best prices from San Antonio to London Heathrow are usually found in April or February, booked 45 days in advance, depart on a Wednesday or Monday and return on a Wednesday

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 16 May 2024.

Popular in

June

Cheapest in

April

Average price

£888

Round-trip from

£68
High demand for flights, 39% potential price rise
Best time to find cheap flights, 29% potential price drop
Average for round-trip flights in May 2024
From San Antonio to London Heathrow

What is the cheapest day to fly round-trip from San Antonio to London Heathrow Airport?

Friday flights are generally found to be more expensive for flights from San Antonio to London Heathrow Airport. 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 13 days in advance to save up to 18% 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 13 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 £456, or £817 for flights within the next 24 hours.

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

Flights from San Antonio to London Heathrow Airport lean towards being more expensive in June. Prices are generally better when you fly from San Antonio to London Heathrow Airport in January, with the cheapest ticket starting at £458.

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 at midday, which can drop the price by up to 20% versus a flight in the morning.

Cheap United Airlines flights from San Antonio to Heathrow

Explore cheap flight options specifically provided by United 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 844,321 searches. Data last updated 16 May 2024.
Take a peek at the cheapest United Airlines flights we've detected travelling from San Antonio to London. Be sure to come back soon if the deals available don't appeal to you at this time.
Wed 23/1007:20SAT - LHR
1 stop18h 20mUnited Airlines
Wed 30/1007:40LHR - SAT
2 stops20h 10mUnited Airlines
Deal found 16/5£581
Mon 21/1007:00SAT - LHR
1 stop17h 45mUnited Airlines
Wed 6/1106:50LHR - SAT
2 stops19h 14mUnited Airlines
Deal found 16/5£585
Wed 4/909:40SAT - LHR
2 stops14h 15mUnited Airlines
Wed 11/908:30LHR - SAT
2 stops16h 44mUnited Airlines
Deal found 16/5£613
Wed 6/1112:11SAT - LHR
2 stops15h 29mUnited Airlines
Mon 18/1107:40LHR - SAT
2 stops18h 24mUnited Airlines
Deal found 16/5£620
Wed 5/613:05SAT - LHR
1 stop17h 15mUnited Airlines
Wed 12/611:05LHR - SAT
1 stop15h 53mUnited Airlines
Deal found 15/5£627
Mon 30/912:10SAT - LHR
2 stops15h 30mUnited Airlines
Sat 12/1010:35LHR - SAT
1 stop13h 18mUnited Airlines
Deal found 16/5£630
Wed 2/1012:10SAT - LHR
2 stops15h 30mUnited Airlines
Sun 13/1013:40LHR - SAT
1 stop24h 44mUnited Airlines
Deal found 16/5£635
Wed 4/909:40SAT - LHR
2 stops16h 40mUnited Airlines
Mon 16/907:25LHR - SAT
2 stops19h 01mUnited Airlines
Deal found 16/5£641
Sun 18/812:00SAT - LHR
1 stop12h 45mUnited Airlines
Sat 31/806:50LHR - SAT
2 stops22h 09mUnited Airlines
Deal found 16/5£642

Cheap British Airways flights from San Antonio to Heathrow

Explore cheap flight options specifically provided by British Airways 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 844,321 searches. Data last updated 16 May 2024.
Have a look at some of the cheapest available British Airways flights departing from San Antonio and landing in London. Deals are refreshing constantly so come back soon for more options.
Wed 4/918:50SAT - LHR
1 stop11h 55mBritish Airways
Wed 11/912:00LHR - SAT
1 stop12h 45mBritish Airways
Deal found 16/5£600
Wed 14/819:31SAT - LHR
1 stop11h 14mBritish Airways
Mon 19/819:35LHR - SAT
2 stops26h 14mBritish Airways
Deal found 16/5£645
Sat 12/1014:39SAT - LHR
1 stop11h 21mBritish Airways
Mon 21/1008:40LHR - SAT
1 stop13h 09mBritish Airways
Deal found 16/5£661
Sat 22/620:35SAT - LHR
1 stop27h 50mBritish Airways
Sun 7/716:25LHR - SAT
1 stop13h 33mBritish Airways
Deal found 16/5£783
Sun 30/614:20SAT - LHR
1 stop11h 40mBritish Airways
Fri 2/808:40LHR - SAT
1 stop13h 04mBritish Airways
Deal found 16/5£846
Fri 28/612:29SAT - LHR
1 stop11h 56mBritish Airways
Wed 31/708:10LHR - SAT
1 stop21h 32mBritish Airways
Deal found 16/5£876
Sat 29/614:30SAT - LHR
1 stop11h 35mBritish Airways
Fri 2/808:40LHR - SAT
1 stop13h 04mBritish Airways
Deal found 16/5£885

Cheap San Antonio to Heathrow flights in May & June 2024

Find cheap flight options from San Antonio to Heathrow specifically for the months of May and June 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 844,321 searches. Prices were last updated on 16 May 2024.
The lowest fares we've come across on flights travelling from San Antonio to London in May and June 2024. For more flight deals, be sure to check back very soon.
Wed 5/607:00SAT - LHR
2 stops20h 35mAir Canada
Wed 12/614:05LHR - SAT
2 stops36h 53mAir Canada
Deal found 15/5£626
Wed 5/613:05SAT - LHR
1 stop17h 15mUnited Airlines
Wed 12/611:05LHR - SAT
1 stop15h 53mUnited Airlines
Deal found 15/5£627
Tue 21/510:40SAT - LHR
1 stop17h 00mUnited Airlines
Mon 27/514:05LHR - SAT
2 stops27h 37mUnited Airlines
Deal found 16/5£649
Mon 10/612:08SAT - LHR
1 stop13h 57mDelta
Mon 17/611:30LHR - SAT
2 stops18h 24mDelta
Deal found 16/5£662
Mon 10/611:34SAT - LHR
1 stop13h 41mDelta
Sun 16/606:30LHR - SAT
2 stops16h 35mDelta
Deal found 16/5£663
Tue 21/507:27SAT - LHR
1 stop18h 03mAmerican Airlines
Mon 27/515:15LHR - SAT
1 stop14h 59mAmerican Airlines
Deal found 16/5£664
Thu 6/606:45SAT - LHR
3 stops23h 05mMultiple Airlines
Thu 13/614:05LHR - SAT
2 stops24h 09mMultiple Airlines
Deal found 16/5£665
Mon 10/610:38SAT - LHR
2 stops15h 27mDelta
Sun 16/608:40LHR - SAT
2 stops21h 14mDelta
Deal found 16/5£667
Thu 6/616:15SAT - LHR
2 stops15h 45mVirgin Atlantic
Thu 13/609:20LHR - SAT
1 stop14h 07mVirgin Atlantic
Deal found 16/5£671

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 844,321 searches. Data last updated 16 May 2024.
The lowest fares we've come across on flights travelling from San Antonio to London in May and June 2024. For more flight deals, be sure to check back very soon.
Wed 23/1007:20SAT - LHR
1 stop18h 20mUnited Airlines
Wed 30/1007:40LHR - SAT
2 stops20h 10mUnited Airlines
Deal found 16/5£581
Mon 21/1007:00SAT - LHR
1 stop17h 45mUnited Airlines
Wed 6/1106:50LHR - SAT
2 stops19h 14mUnited Airlines
Deal found 16/5£585
Sun 18/817:59SAT - LHR
1 stop12h 11mAmerican Airlines
Sat 31/809:15LHR - SAT
1 stop17h 57mAmerican Airlines
Deal found 16/5£588
Wed 23/1017:53SAT - LHR
1 stop12h 17mAmerican Airlines
Wed 30/1008:40LHR - SAT
1 stop16h 30mAmerican Airlines
Deal found 16/5£589
Mon 21/1014:39SAT - LHR
1 stop16h 06mFinnair
Wed 6/1108:20LHR - SAT
1 stop15h 27mFinnair
Deal found 16/5£591
Wed 4/918:50SAT - LHR
1 stop11h 55mBritish Airways
Wed 11/912:00LHR - SAT
1 stop12h 45mBritish Airways
Deal found 16/5£600
Wed 4/912:10SAT - LHR
1 stop13h 05mDelta
Wed 11/906:15LHR - SAT
2 stops17h 03mDelta
Deal found 16/5£604
Wed 4/910:30SAT - LHR
1 stop13h 55mVirgin Atlantic
Mon 16/920:55LHR - SAT
2 stops26h 23mVirgin Atlantic
Deal found 16/5£606
Tue 17/917:53SAT - LHR
1 stop12h 17mAmerican Airlines
Fri 27/909:15LHR - SAT
1 stop16h 40mAmerican Airlines
Deal found 16/5£607

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 844,321 searches. Data last updated 16 May 2024.
Have a look at some of the flights available from San Antonio to London departing last-minute. It's wise to confirm all flight details are correct before booking.
Tue 21/510:40SAT - LHR
1 stop17h 00mUnited Airlines
Mon 27/514:05LHR - SAT
2 stops27h 37mUnited Airlines
Deal found 16/5£649
Tue 21/507:27SAT - LHR
1 stop18h 03mAmerican Airlines
Mon 27/515:15LHR - SAT
1 stop14h 59mAmerican Airlines
Deal found 16/5£664
Tue 21/509:45SAT - LHR
2 stops14h 45mAir Canada
Mon 27/509:30LHR - SAT
2 stops28h 58mAir Canada
Deal found 16/5£667
Thu 23/509:40SAT - LHR
2 stops18h 00mUnited Airlines
Thu 30/506:50LHR - SAT
2 stops19h 05mUnited Airlines
Deal found 16/5£759
Sun 26/513:19SAT - LHR
1 stop13h 46mAmerican Airlines
Sun 2/615:15LHR - SAT
1 stop14h 59mAmerican Airlines
Deal found 16/5£763
Thu 23/512:31SAT - LHR
1 stop17h 44mAmerican Airlines
Thu 30/509:15LHR - SAT
1 stop17h 05mAmerican Airlines
Deal found 16/5£764
Sun 26/505:15SAT - LHR
1 stop19h 30mDelta
Sun 2/612:10LHR - SAT
2 stops18h 17mDelta
Deal found 16/5£775
Fri 24/505:30SAT - LHR
1 stop22h 10mUnited Airlines
Mon 10/614:05LHR - SAT
2 stops27h 37mUnited Airlines
Deal found 16/5£787
Fri 24/509:45SAT - LHR
1 stop14h 40mAmerican Airlines
Mon 10/612:15LHR - SAT
1 stop15h 45mAmerican Airlines
Deal found 16/5£804

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 844,321 searches. Data last updated 16 May 2024.
Take a look at some of the one-way flights we've detected from San Antonio to London. Users needing a return flight from San Antonio to London should utilize the search form above.
Wed 9/1020:59SAT - LHR
2 stops32h 56mMultiple Airlines
Deal found 15/5£296
Mon 8/711:35SAT - LHR
1 stop12h 55mJetBlue
Deal found 16/5£376
Sat 15/618:53SAT - LHR
2 stops59h 17mMultiple Airlines
Deal found 16/5£382
Sat 15/618:53SAT - LHR
1 stop29h 52mMultiple Airlines
Deal found 16/5£397
Mon 24/611:40SAT - LHR
2 stops43h 10mMultiple Airlines
Deal found 15/5£398
Fri 19/711:35SAT - LHR
1 stop12h 55mJetBlue
Deal found 16/5£406
Sat 15/620:04SAT - LHR
3 stops29h 51mMultiple Airlines
Deal found 16/5£412
Mon 24/620:28SAT - LHR
3 stops34h 57mMultiple Airlines
Deal found 15/5£436
Wed 12/614:30SAT - LHR
1 stop15h 05mUnited Airlines
Deal found 16/5£463

Find flights from San Antonio to Heathrow within your budget

Customise 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 844,321 searches. Data last updated 16 May 2024.

Fly from

Any airport

Fly to

Any airport

Budget

£581 - £665

Route

Depart

Return

Price

San AntonioLondon Heathrow

SAT - LHR

SATLHR

San Antonio

Wed 23/10

1 stop18h 20m

London Heathrow

Wed 30/10

2 stops20h 10m

£581

San AntonioLondon Heathrow

SAT - LHR

SATLHR

San Antonio

Sun 18/8

1 stop12h 11m

London Heathrow

Sat 31/8

1 stop17h 57m

£588

San AntonioLondon Heathrow

SAT - LHR

SATLHR

San Antonio

Mon 21/10

1 stop16h 06m

London Heathrow

Wed 6/11

1 stop15h 27m

£591

San AntonioLondon Heathrow

SAT - LHR

SATLHR

San Antonio

Wed 4/9

1 stop11h 55m

London Heathrow

Wed 11/9

1 stop12h 45m

£600

San AntonioLondon Heathrow

SAT - LHR

SATLHR

San Antonio

Wed 4/9

1 stop13h 05m

London Heathrow

Wed 11/9

2 stops17h 03m

£604

San AntonioLondon Heathrow

SAT - LHR

SATLHR

San Antonio

Wed 4/9

1 stop13h 55m

London Heathrow

Mon 16/9

2 stops26h 23m

£606

San AntonioLondon Heathrow

SAT - LHR

SATLHR

San Antonio

Wed 5/6

2 stops20h 35m

London Heathrow

Wed 12/6

2 stops36h 53m

£626

San AntonioLondon Heathrow

SAT - LHR

SATLHR

San Antonio

Thu 22/8

1 stop11h 14m

London Heathrow

Tue 27/8

2 stops18h 07m

£656

San AntonioLondon Heathrow

SAT - LHR

SATLHR

San Antonio

Thu 6/6

3 stops23h 05m

London Heathrow

Thu 13/6

2 stops24h 09m

£665

Flights are sorted by cheapest first

Deals found on 16/5

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 return flight from San Antonio to Heathrow. Price data was last updated on 10 May 2024.
The price you pay for your flight from San Antonio to London Heathrow Airport may vary depending on when you book. For the best chance of a lower fare, look to book 45 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.
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 return from San Antonio to Heathrow. Price data was last updated on 12 May 2024.
Morning
Midday
Afternoon
Evening
All times are departure.
Travellers seeking maximum savings on their San Antonio to London Heathrow Airport flight should consider departing on Tuesday at midday when fares are most often at their lowest. Friday at midday flights should be avoided if possible as fares are typically the most expensive at this time.
Search Deals

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 £396 while a return flight costs £613. Price data was last updated on 12 May 2024.

Currently, January is the cheapest month in which you can book a flight from San Antonio to London Heathrow Airport (average of £110). Flying from San Antonio to London Heathrow Airport in July is currently the most expensive (average of £165). 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

£87

February

£98

March

£94

April

£103

May

£108

June

£129

July

£130

August

£114

September

£109

October

£125

November

£91

December

£95

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

4 - 17 °C

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 16 May 2024.
Read reviews from past customers who have flown United Airlines, British Airways and Delta from San Antonio to London. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
8.0
Very Good
10,673 reviews

Crew

8.6

Food

7.4

Comfort

7.9

Entertainment

8.0

Boarding

8.2

Overall

8.0

Reviews

1 / 10

Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.

8.0
Very Good
10,673 reviews
8.0
Very Good
10,673 reviews

Crew

8.6

Food

7.4

Comfort

7.9

Entertainment

8.0

Boarding

8.2

Overall

8.0

Reviews

1 / 10

Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.

7.9
Good
1,568 reviews
8.0
Very Good
10,673 reviews

Crew

8.6

Food

7.4

Comfort

7.9

Entertainment

8.0

Boarding

8.2

Overall

8.0

Reviews

1 / 10

Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.

7.8
Good
1,376 reviews
8.0
Very Good
10,673 reviews

Crew

8.6

Food

7.4

Comfort

7.9

Entertainment

8.0

Boarding

8.2

Overall

8.0

Reviews

1 / 10

Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.

7.7
Good
735 reviews
8.0
Very Good
10,673 reviews

Crew

8.6

Food

7.4

Comfort

7.9

Entertainment

8.0

Boarding

8.2

Overall

8.0

Reviews

1 / 10

Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.

7.6
Good
4,472 reviews
8.0
Very Good
10,673 reviews

Crew

8.6

Food

7.4

Comfort

7.9

Entertainment

8.0

Boarding

8.2

Overall

8.0

Reviews

1 / 10

Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.

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?

    San Antonio (SAT), located 7.6 mi from the city center, is the airport you fly out of when you book flights from San Antonio to London Heathrow. 3 airlines have flights from San Antonio to London Heathrow on a regular basis. Booking flights from San Antonio to London Heathrow should not be difficult; the airport handles an average of 0 outbound flights to London Heathrow per day.

  • Can I find flights from San Antonio to London Heathrow Airport for under £600 on Cheapflights?

    Yes, there are multiple flights from San Antonio to London Heathrow Airport for under £600. The cheapest flight booked recently is on United Airlines for just £581, but on average you can expect to pay £612.

  • Are there last-minute flights available from San Antonio to London Heathrow Airport for under £700?

    There are currently 20+ open flights from San Antonio to London Heathrow Airport within the next 7 days for less than £700.

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

    United Airlines, at £581, was found to be the cheapest airline from San Antonio to London Heathrow Airport.Alternate airlines flying return to your destination include American Airlines and Finnair. United Airlines is priced at 22% lower than the current average price of a flight leaving 3 months from now.

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

    To fly one-way, consider booking your trip with JetBlue, which is currently one of the cheapest options available, starting at £376. United Airlines flights start at £463 while deals on Iberia start at £473 one-way.

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

  • What does SAT to LHR mean?

    This is defined as San Antonio Airport (SAT) and London Heathrow Airport (LHR). Codes like London Heathrow Airport are often used to just call airports uniquely.

  • 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 holiday 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 16/5.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Top 3 airlines flying from San Antonio to Heathrow

Discover the top 3 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 844,321 searches. Data last updated 16 May 2024.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest£486Average£694FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
British AirwaysCheapest£499Average£725