Find flights
When to book
Airlines
FAQs

Cheap flights from San Antonio to London Heathrow Airport from £321

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 24/8. 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
16 May — 23 May1
1 adult
Thu 16/5
Thu 23/5

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 11 May 2024.

Popular in

June

Cheapest in

April

Average price

£898

Round-trip from

£69
High demand for flights, 39% potential price rise
Search Deals
Best time to find cheap flights, 29% potential price drop
Search Deals
Average for round-trip flights in May 2024
Search Deals
From San Antonio to London Heathrow
Search Deals

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 £461, or £827 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 £463.

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 868,510 searches. Data last updated 11 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.
Mon 21/1013:25SAT - LHR
1 stop14h 15mUnited Airlines
Wed 6/1107:40LHR - SAT
2 stops17h 56mUnited Airlines
Deal found 10/5£587
Wed 4/912:17SAT - LHR
1 stop13h 23mUnited Airlines
Wed 11/912:15LHR - SAT
2 stops15h 15mUnited Airlines
Deal found 10/5£626
Fri 23/814:25SAT - LHR
1 stop11h 15mUnited Airlines
Tue 3/907:25LHR - SAT
2 stops17h 49mUnited Airlines
Deal found 10/5£661
Fri 1/1116:20SAT - LHR
2 stops13h 55mUnited Airlines
Fri 8/1107:40LHR - SAT
2 stops17h 43mUnited Airlines
Deal found 10/5£662
Fri 9/814:25SAT - LHR
1 stop11h 15mUnited Airlines
Wed 21/807:25LHR - SAT
2 stops17h 49mUnited Airlines
Deal found 9/5£663
Fri 11/1012:00SAT - LHR
1 stop16h 40mUnited Airlines
Fri 18/1016:40LHR - SAT
2 stops24h 20mUnited Airlines
Deal found 10/5£669
Sun 18/805:30SAT - LHR
2 stops18h 25mUnited Airlines
Sat 31/815:20LHR - SAT
1 stop13h 39mUnited Airlines
Deal found 10/5£671
Wed 21/812:17SAT - LHR
1 stop13h 23mUnited Airlines
Sun 25/811:05LHR - SAT
1 stop18h 54mUnited Airlines
Deal found 9/5£675
Thu 16/509:45SAT - LHR
2 stops18h 55mUnited Airlines
Fri 24/516:40LHR - SAT
2 stops21h 48mUnited Airlines
Deal found 10/5£678

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 868,510 searches. Data last updated 11 May 2024.
Have a look at some of the cheapest available American Airlines flights departing from San Antonio and landing in London. Deals are refreshing constantly so come back soon for more options.
Tue 1/1011:49SAT - LHR
1 stop15h 16mAmerican Airlines
Tue 15/1013:10LHR - SAT
1 stop15h 56mAmerican Airlines
Deal found 9/5£596
Tue 17/917:53SAT - LHR
1 stop12h 17mAmerican Airlines
Fri 27/915:15LHR - SAT
1 stop13h 01mAmerican Airlines
Deal found 10/5£613
Wed 6/1118:09SAT - LHR
1 stop11h 41mAmerican Airlines
Mon 18/1111:50LHR - SAT
1 stop16h 27mAmerican Airlines
Deal found 10/5£635
Fri 11/1011:49SAT - LHR
1 stop13h 41mAmerican Airlines
Fri 18/1008:40LHR - SAT
1 stop13h 09mAmerican Airlines
Deal found 10/5£636
Sun 18/817:59SAT - LHR
1 stop12h 11mAmerican Airlines
Sat 31/812:15LHR - SAT
1 stop14h 57mAmerican Airlines
Deal found 10/5£653
Fri 9/809:46SAT - LHR
1 stop15h 44mAmerican Airlines
Wed 21/812:15LHR - SAT
1 stop17h 10mAmerican Airlines
Deal found 9/5£672
Thu 16/514:28SAT - LHR
1 stop13h 52mAmerican Airlines
Fri 24/509:15LHR - SAT
1 stop17h 05mAmerican Airlines
Deal found 10/5£673
Thu 15/809:46SAT - LHR
1 stop15h 44mAmerican Airlines
Mon 2/912:15LHR - SAT
1 stop17h 10mAmerican Airlines
Deal found 11/5£693
Thu 16/513:19SAT - LHR
1 stop13h 46mAmerican Airlines
Mon 27/512:15LHR - SAT
1 stop14h 05mAmerican Airlines
Deal found 10/5£711

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 868,510 searches. Prices were last updated on 11 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 15/515:00SAT - LHR
1 stop14h 10mDelta
Fri 31/506:15LHR - SAT
2 stops16h 51mDelta
Deal found 10/5£628
Wed 15/505:20SAT - LHR
2 stops19h 25mDelta
Fri 31/511:30LHR - SAT
2 stops17h 37mDelta
Deal found 10/5£632
Wed 15/514:28SAT - LHR
1 stop11h 22mAmerican Airlines
Fri 31/515:15LHR - SAT
1 stop14h 59mAmerican Airlines
Deal found 10/5£633
Thu 16/506:08SAT - LHR
1 stop19h 07mDelta
Fri 24/511:30LHR - SAT
2 stops17h 37mDelta
Deal found 10/5£669
Thu 16/514:28SAT - LHR
1 stop13h 52mAmerican Airlines
Fri 24/509:15LHR - SAT
1 stop17h 05mAmerican Airlines
Deal found 10/5£673
Thu 16/509:45SAT - LHR
2 stops18h 55mUnited Airlines
Fri 24/516:40LHR - SAT
2 stops21h 48mUnited Airlines
Deal found 10/5£678
Thu 16/514:31SAT - LHR
1 stop11h 09mUnited Airlines
Mon 27/518:00LHR - SAT
2 stops31h 55mUnited Airlines
Deal found 10/5£701
Thu 16/514:27SAT - LHR
1 stop11h 38mBritish Airways
Mon 3/620:35LHR - SAT
2 stops27h 10mBritish Airways
Deal found 10/5£704
Thu 16/513:19SAT - LHR
1 stop13h 46mAmerican Airlines
Mon 27/512:15LHR - SAT
1 stop14h 05mAmerican Airlines
Deal found 10/5£711

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 868,510 searches. Data last updated 11 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.
Mon 21/1013:25SAT - LHR
1 stop14h 15mUnited Airlines
Wed 6/1107:40LHR - SAT
2 stops17h 56mUnited Airlines
Deal found 10/5£587
Tue 1/1011:49SAT - LHR
1 stop15h 16mAmerican Airlines
Tue 15/1013:10LHR - SAT
1 stop15h 56mAmerican Airlines
Deal found 9/5£596
Mon 21/1014:39SAT - LHR
1 stop11h 21mFinnair
Wed 6/1108:20LHR - SAT
1 stop15h 27mFinnair
Deal found 10/5£597
Wed 4/918:50SAT - LHR
1 stop11h 55mBritish Airways
Wed 11/915:35LHR - SAT
1 stop13h 31mBritish Airways
Deal found 11/5£604
Tue 17/912:50SAT - LHR
1 stop11h 55mDelta
Fri 27/906:15LHR - SAT
2 stops17h 03mDelta
Deal found 10/5£610
Wed 4/912:10SAT - LHR
1 stop13h 55mDelta
Wed 11/911:30LHR - SAT
2 stops17h 07mDelta
Deal found 11/5£611
Tue 17/917:53SAT - LHR
1 stop12h 17mAmerican Airlines
Fri 27/915:15LHR - SAT
1 stop13h 01mAmerican Airlines
Deal found 10/5£613
Tue 17/910:30SAT - LHR
2 stops17h 45mDelta
Fri 27/906:15LHR - SAT
2 stops17h 03mDelta
Deal found 10/5£614
Tue 1/1009:09SAT - LHR
1 stop18h 31mMultiple Airlines
Tue 15/1018:00LHR - SAT
2 stops35h 14mMultiple Airlines
Deal found 9/5£617

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 868,510 searches. Data last updated 11 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.
Thu 16/506:08SAT - LHR
1 stop19h 07mDelta
Fri 24/511:30LHR - SAT
2 stops17h 37mDelta
Deal found 10/5£669
Thu 16/514:28SAT - LHR
1 stop13h 52mAmerican Airlines
Fri 24/509:15LHR - SAT
1 stop17h 05mAmerican Airlines
Deal found 10/5£673
Thu 16/509:45SAT - LHR
2 stops18h 55mUnited Airlines
Fri 24/516:40LHR - SAT
2 stops21h 48mUnited Airlines
Deal found 10/5£678
Thu 16/514:31SAT - LHR
1 stop11h 09mUnited Airlines
Mon 27/518:00LHR - SAT
2 stops31h 55mUnited Airlines
Deal found 10/5£701
Thu 16/514:27SAT - LHR
1 stop11h 38mBritish Airways
Mon 3/620:35LHR - SAT
2 stops27h 10mBritish Airways
Deal found 10/5£704
Thu 16/513:19SAT - LHR
1 stop13h 46mAmerican Airlines
Mon 27/512:15LHR - SAT
1 stop14h 05mAmerican Airlines
Deal found 10/5£711
Thu 16/518:40SAT - LHR
1 stop11h 35mAmerican Airlines
Mon 3/612:15LHR - SAT
1 stop14h 05mAmerican Airlines
Deal found 10/5£713
Thu 16/512:57SAT - LHR
2 stops15h 48mDelta
Mon 3/606:30LHR - SAT
2 stops16h 36mDelta
Deal found 10/5£734
Thu 16/512:02SAT - LHR
2 stops16h 13mBrussels Airlines
Mon 27/507:45LHR - SAT
2 stops18h 10mBrussels Airlines
Deal found 10/5£887

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 868,510 searches. Data last updated 11 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.
Sat 24/822:47SAT - LHR
3 stops31h 08mMultiple Airlines
Deal found 9/5£321
Sat 24/812:33SAT - LHR
2 stops25h 47mMultiple Airlines
Deal found 9/5£323
Mon 8/711:35SAT - LHR
1 stop12h 55mJetBlue
Deal found 10/5£365
Thu 5/913:59SAT - LHR
2 stops21h 46mMultiple Airlines
Deal found 10/5£386
Sun 9/615:05SAT - LHR
2 stops39h 05mMultiple Airlines
Deal found 11/5£390
Tue 18/622:50SAT - LHR
2 stops56h 20mMultiple Airlines
Deal found 10/5£395
Fri 19/711:35SAT - LHR
1 stop12h 55mJetBlue
Deal found 10/5£410
Sun 9/621:14SAT - LHR
3 stops57h 36mMultiple Airlines
Deal found 11/5£412
Tue 3/913:22SAT - LHR
1 stop14h 08mJetBlue
Deal found 10/5£449

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 868,510 searches. Data last updated 11 May 2024.

Fly from

Any airport

Fly to

Any airport

Budget

£587 - £691

Route

Depart

Return

Price

San AntonioLondon Heathrow

SAT - LHR

SATLHR

San Antonio

Mon 21/10

1 stop14h 15m

London Heathrow

Wed 6/11

2 stops17h 56m

£587

San AntonioLondon Heathrow

SAT - LHR

SATLHR

San Antonio

Tue 1/10

1 stop15h 16m

London Heathrow

Tue 15/10

1 stop15h 56m

£596

San AntonioLondon Heathrow

SAT - LHR

SATLHR

San Antonio

Mon 21/10

1 stop11h 21m

London Heathrow

Wed 6/11

1 stop15h 27m

£597

San AntonioLondon Heathrow

SAT - LHR

SATLHR

San Antonio

Wed 4/9

1 stop11h 55m

London Heathrow

Wed 11/9

1 stop13h 31m

£604

San AntonioLondon Heathrow

SAT - LHR

SATLHR

San Antonio

Tue 17/9

1 stop11h 55m

London Heathrow

Fri 27/9

2 stops17h 03m

£610

San AntonioLondon Heathrow

SAT - LHR

SATLHR

San Antonio

Tue 1/10

1 stop18h 31m

London Heathrow

Tue 15/10

2 stops35h 14m

£617

San AntonioLondon Heathrow

SAT - LHR

SATLHR

San Antonio

Fri 1/11

1 stop21h 00m

London Heathrow

Fri 8/11

2 stops16h 58m

£631

San AntonioLondon Heathrow

SAT - LHR

SATLHR

San Antonio

Fri 16/8

2 stops22h 40m

London Heathrow

Sun 18/8

2 stops32h 15m

£676

San AntonioLondon Heathrow

SAT - LHR

SATLHR

San Antonio

Sun 18/8

2 stops17h 50m

London Heathrow

Sat 31/8

2 stops16h 56m

£691

Flights are sorted by cheapest first

Deals found on 10/5

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 5 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 £383 while a return flight costs £623. Price data was last updated on 5 May 2024.

Currently, January is the cheapest month in which you can book a flight from San Antonio to London Heathrow Airport (average of £111). Flying from San Antonio to London Heathrow Airport in July is currently the most expensive (average of £170). 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

£89

February

£99

March

£95

April

£105

May

£105

June

£132

July

£136

August

£117

September

£111

October

£127

November

£92

December

£97

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 11 May 2024.
Read reviews from past customers who have flown United Airlines, American Airlines and Finnair 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.
Delta
8.1
Very Good
10,751 reviews
Check prices

Comfort

7.9

Boarding

8.2

Food

7.4

Overall

8.1

Crew

8.6

Entertainment

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.

Delta
8.1
Very Good
10,751 reviews
Delta
8.1
Very Good
10,751 reviews
Check prices

Comfort

7.9

Boarding

8.2

Food

7.4

Overall

8.1

Crew

8.6

Entertainment

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.

KLM
7.9
Good
1,589 reviews
Delta
8.1
Very Good
10,751 reviews
Check prices

Comfort

7.9

Boarding

8.2

Food

7.4

Overall

8.1

Crew

8.6

Entertainment

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.

Finnair
7.8
Good
1,377 reviews
Delta
8.1
Very Good
10,751 reviews
Check prices

Comfort

7.9

Boarding

8.2

Food

7.4

Overall

8.1

Crew

8.6

Entertainment

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.

Virgin Atlantic
7.7
Good
738 reviews
Delta
8.1
Very Good
10,751 reviews
Check prices

Comfort

7.9

Boarding

8.2

Food

7.4

Overall

8.1

Crew

8.6

Entertainment

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.

JetBlue
7.6
Good
4,515 reviews
Delta
8.1
Very Good
10,751 reviews
Check prices

Comfort

7.9

Boarding

8.2

Food

7.4

Overall

8.1

Crew

8.6

Entertainment

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 £587, but on average you can expect to pay £626.

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

    There are currently 15+ 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 £587, 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 £365. United Airlines flights start at £469 while deals on Lufthansa start at £984 one-way.

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

    British Airways, United Airlines and Virgin Atlantic are the most popular airlines when flying 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 11/5.

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.

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

Dallas/Fort Worth to Heathrow flights
Hobby to Heathrow flights
George Bush Intcntl to Heathrow flights
Austin to Heathrow flights
Dallas/Fort Worth to Gatwick flights
Dallas/Fort Worth to London City flights
Hobby to Gatwick flights
George Bush Intcntl to Gatwick flights
Austin to Gatwick flights
Austin to London City flights
Dallas/Fort Worth to Stansted flights
San Antonio to Gatwick flights
El Paso to Heathrow flights
Dallas/Fort Worth to Luton flights
Lubbock to Heathrow flights
Austin to Stansted flights
El Paso to Gatwick flights
McAllen to Heathrow flights
Dallas/Fort Worth to Southend flights
Corpus Christi to Heathrow flights
McAllen to Gatwick flights
San Antonio to Stansted flights
Harlingen to Heathrow flights
Midland to Heathrow flights
College Station to Heathrow flights
Austin to Southend flights
Brownsville to Heathrow flights
Killeen to Heathrow flights
San Angelo to Heathrow flights

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 868,510 searches. Data last updated 11 May 2024.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest£492Average£702FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
British AirwaysCheapest£505Average£733FlexibilityNo cancel feeOn-time70%
Search British Airways flights
Virgin AtlanticCheapest£533Average£705FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
Newcastle upon Tyne to Rome flights
London to Albania flights
Manchester to Türkiye flights
Leeds to Alicante flights
London Stansted Airport to Palma de Mallorca flights
London to Porto flights
London to Taiwan flights
London to Melbourne flights
London to Frankfurt am Main flights
Manchester to Lisbon flights
San Antonio to London flights

Search flights from San Antonio to Heathrow by cabin class

Find flights from San Antonio to Heathrow, based on your preferred cabin class, be it economy, premium economy, business, or first class.
First Class
Business Class
Prem Econ Class
Economy class

Book a flight to one of these trending destinations

User searches for flights to these destinations increased 20% or more in the past 90 days compared to other destinations
Flights to Város Limnos
Flights to Kavála Megas Alexandros
Flights to Parikia Paros
Flights to Clermont-Ferrand Aulnat
Flights to Isle of Islay Glenegedale
Flights to Monterey Regional
Flights to Guilin
Flights to Cagayan de Oro Laguindingan
Flights to Skardu
Flights to Samarkand
Flights to Elazig
Flights to Tamuning Guam Intl
Flights to Tulum Intl
Flights to Toulon Hyeres
Flights to Ohrid
Flights to Houmt Souk Melita
Flights to Trapani Birgi
Flights to Daraga Bicol Intl
Flights to Parma
Flights to Ipoh
Flights to Edremit/Korfez
Flights to Niamey
Flights to Erie
Flights to Lhasa

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from San Antonio to Heathrow?

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from San Antonio to Heathrow. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

Why should you use Cheapflights to find cheap flight tickets from San Antonio to Heathrow?

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from San Antonio to Heathrow for you. Better yet — we are completely free to use.

Can Cheapflights find flights from San Antonio to Heathrow with no change fees?

Yes! Cheapflights helps users easily find flights from San Antonio to Heathrow with no change fees.

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

Yes, Cheapflights offers price alerts on San Antonio to Heathrow flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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.
View all available airlines