Cheap flights from San Antonio (SAT) to Heathrow (LHR) from $444

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 5/7. 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 5 — May 121

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 30, 2024.

Popular in

June

Cheapest in

February

Round-trip from

$643

One-way from

$601
High demand for flights, 34% potential price rise
Best time to find cheap flights, 27% potential price drop
From San Antonio to London Heathrow
One-way flight from San Antonio to London Heathrow

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 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 2,913,887 searches. Data last updated April 30, 2024.
Peruse some of the lowest-priced United Airlines flights we've found from San Antonio to London. Make sure to check back often as deals are often changing.
Tue 5/142:31 pmSAT - LHR
1 stop15h 04mUnited Airlines
Tue 5/217:25 amLHR - SAT
2 stops17h 57mUnited Airlines
Deal found 4/30$722
Tue 5/144:15 pmSAT - LHR
1 stop13h 20mUnited Airlines
Tue 5/211:40 pmLHR - SAT
1 stop13h 19mUnited Airlines
Deal found 4/30$736
Sun 8/1812:00 pmSAT - LHR
1 stop16h 40mUnited Airlines
Sat 8/312:50 pmLHR - SAT
1 stop15h 09mUnited Airlines
Deal found 4/29$794
Sun 8/185:30 amSAT - LHR
2 stops24h 15mUnited Airlines
Sat 8/311:05 pmLHR - SAT
2 stops16h 54mUnited Airlines
Deal found 4/29$799
Wed 9/47:30 amSAT - LHR
2 stops16h 25mUnited Airlines
Wed 9/117:25 amLHR - SAT
2 stops19h 01mUnited Airlines
Deal found 4/30$820
Wed 5/151:00 pmSAT - LHR
1 stop12h 15mUnited Airlines
Wed 5/2910:50 amLHR - SAT
2 stops18h 22mUnited Airlines
Deal found 4/29$835
Wed 5/152:19 pmSAT - LHR
2 stops14h 21mUnited Airlines
Wed 5/2910:50 amLHR - SAT
2 stops18h 22mUnited Airlines
Deal found 4/29$839
Wed 5/157:00 amSAT - LHR
1 stop16h 55mUnited Airlines
Wed 5/296:50 amLHR - SAT
2 stops19h 05mUnited Airlines
Deal found 4/29$840
Wed 5/155:20 amSAT - LHR
2 stops23h 20mUnited Airlines
Fri 5/316:50 amLHR - SAT
2 stops19h 05mUnited Airlines
Deal found 4/29$844

Cheap Lufthansa flights from San Antonio to Heathrow

Explore cheap flight options specifically provided by Lufthansa 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 2,913,887 searches. Data last updated April 30, 2024.
To aid your search, here are some of the cheapest Lufthansa flights we've found from San Antonio to London. Make sure to examine the flight information before completing your reservation.
Tue 9/2411:55 amSAT - LHR
2 stops24h 30mLufthansa
Mon 9/308:25 pmLHR - SAT
2 stops32h 35mLufthansa
Deal found 4/29$824
Tue 9/2411:55 amSAT - LHR
2 stops26h 50mLufthansa
Mon 9/308:25 pmLHR - SAT
2 stops54h 01mLufthansa
Deal found 4/30$830
Fri 5/171:00 pmSAT - LHR
2 stops39h 40mLufthansa
Mon 5/276:30 pmLHR - SAT
2 stops34h 37mLufthansa
Deal found 4/29$991
Wed 6/261:05 pmSAT - LHR
2 stops20h 35mLufthansa
Wed 9/46:55 amLHR - SAT
2 stops43h 31mLufthansa
Deal found 4/30$1,019
Sat 9/2112:17 pmSAT - LHR
1 stop13h 23mLufthansa
Fri 10/49:30 amLHR - SAT
2 stops16h 56mLufthansa
Deal found 4/29$1,088
Thu 5/92:19 pmSAT - LHR
2 stops19h 26mLufthansa
Wed 5/157:30 pmLHR - SAT
2 stops28h 17mLufthansa
Deal found 4/29$1,169

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 2,913,887 searches. Prices were last updated on April 30, 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.
Tue 5/142:31 pmSAT - LHR
1 stop15h 04mUnited Airlines
Tue 5/217:25 amLHR - SAT
2 stops17h 57mUnited Airlines
Deal found 4/30$722
Tue 5/144:15 pmSAT - LHR
1 stop13h 20mUnited Airlines
Tue 5/211:40 pmLHR - SAT
1 stop13h 19mUnited Airlines
Deal found 4/30$736
Wed 5/151:00 pmSAT - LHR
1 stop12h 15mUnited Airlines
Wed 5/2910:50 amLHR - SAT
2 stops18h 22mUnited Airlines
Deal found 4/29$835
Wed 5/152:19 pmSAT - LHR
2 stops14h 21mUnited Airlines
Wed 5/2910:50 amLHR - SAT
2 stops18h 22mUnited Airlines
Deal found 4/29$839
Wed 5/157:00 amSAT - LHR
1 stop16h 55mUnited Airlines
Wed 5/296:50 amLHR - SAT
2 stops19h 05mUnited Airlines
Deal found 4/29$840
Wed 5/155:20 amSAT - LHR
2 stops23h 20mUnited Airlines
Fri 5/316:50 amLHR - SAT
2 stops19h 05mUnited Airlines
Deal found 4/29$844
Wed 5/155:55 pmSAT - LHR
1 stop12h 15mAmerican Airlines
Wed 5/293:15 pmLHR - SAT
1 stop14h 59mAmerican Airlines
Deal found 4/29$845
Fri 5/171:12 pmSAT - LHR
3 stops23h 18mMultiple Airlines
Mon 5/278:40 amLHR - SAT
2 stops30h 29mMultiple Airlines
Deal found 4/29$846
Wed 5/152:31 pmSAT - LHR
1 stop11h 09mUnited Airlines
Fri 5/318:30 amLHR - SAT
2 stops17h 25mUnited Airlines
Deal found 4/30$848

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 2,913,887 searches. Data last updated April 30, 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.
Tue 5/142:31 pmSAT - LHR
1 stop15h 04mUnited Airlines
Tue 5/217:25 amLHR - SAT
2 stops17h 57mUnited Airlines
Deal found 4/30$722
Tue 5/144:15 pmSAT - LHR
1 stop13h 20mUnited Airlines
Tue 5/211:40 pmLHR - SAT
1 stop13h 19mUnited Airlines
Deal found 4/30$736
Tue 10/812:29 pmSAT - LHR
1 stop11h 56mIberia
Tue 10/156:10 amLHR - SAT
2 stops22h 56mIberia
Deal found 4/30$769
Sun 10/66:20 pmSAT - LHR
1 stop12h 55mDelta
Tue 10/156:15 amLHR - SAT
2 stops17h 08mDelta
Deal found 4/29$782
Sun 10/610:30 amSAT - LHR
2 stops17h 45mDelta
Tue 10/156:15 amLHR - SAT
2 stops17h 08mDelta
Deal found 4/29$786
Sun 10/65:53 pmSAT - LHR
1 stop12h 17mAmerican Airlines
Tue 10/1510:30 amLHR - SAT
1 stop19h 03mAmerican Airlines
Deal found 4/29$787
Sun 8/186:20 pmSAT - LHR
1 stop12h 55mDelta
Sat 8/319:00 amLHR - SAT
2 stops20h 14mDelta
Deal found 4/30$788
Sun 8/185:59 pmSAT - LHR
1 stop12h 11mAmerican Airlines
Sat 8/319:15 amLHR - SAT
1 stop13h 30mAmerican Airlines
Deal found 4/30$791
Tue 11/55:35 pmSAT - LHR
1 stop12h 30mBritish Airways
Mon 11/115:25 pmLHR - SAT
2 stops30h 22mBritish Airways
Deal found 4/30$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 2,913,887 searches. Data last updated April 30, 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.
Mon 5/65:47 amSAT - LHR
3 stops26h 48mMultiple Airlines
Mon 5/137:30 pmLHR - SAT
3 stops34h 51mMultiple Airlines
Deal found 4/29$1,025
Thu 5/910:13 amSAT - LHR
1 stop14h 17mJetBlue
Thu 5/167:25 amLHR - SAT
1 stop15h 21mJetBlue
Deal found 4/30$1,037
Thu 5/910:13 amSAT - LHR
1 stop14h 17mJetBlue
Wed 5/157:25 amLHR - SAT
1 stop15h 21mJetBlue
Deal found 4/30$1,052
Thu 5/910:13 amSAT - LHR
1 stop14h 17mJetBlue
Wed 5/157:25 amLHR - SAT
1 stop15h 21mJetBlue
Deal found 4/29$1,074
Mon 5/65:47 pmSAT - LHR
1 stop11h 48mUnited Airlines
Mon 5/132:05 pmLHR - SAT
2 stops28h 21mUnited Airlines
Deal found 4/29$1,089
Mon 5/612:50 pmSAT - LHR
1 stop11h 55mVirgin Atlantic
Mon 5/1312:45 pmLHR - SAT
1 stop17h 42mVirgin Atlantic
Deal found 4/29$1,099
Mon 5/62:19 pmSAT - LHR
2 stops14h 21mUnited Airlines
Mon 5/1310:50 amLHR - SAT
2 stops18h 17mUnited Airlines
Deal found 4/29$1,102
Thu 5/912:17 pmSAT - LHR
1 stop16h 53mDelta
Thu 5/166:15 amLHR - SAT
2 stops16h 51mDelta
Deal found 4/30$1,104
Thu 5/910:47 amSAT - LHR
2 stops13h 58mDelta
Thu 5/1611:30 amLHR - SAT
2 stops18h 57mDelta
Deal found 4/30$1,109

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 2,913,887 searches. Data last updated April 30, 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.
Tue 5/710:25 amSAT - LHR
2 stops17h 55mMultiple Airlines
Deal found 4/29$444
Tue 6/410:25 amSAT - LHR
2 stops29h 35mMultiple Airlines
Deal found 4/29$456
Mon 9/2311:16 amSAT - LHR
1 stop13h 14mJetBlue
Deal found 4/29$462
Tue 6/48:41 pmSAT - LHR
3 stops42h 54mMultiple Airlines
Deal found 4/29$488
Wed 6/266:45 amSAT - LHR
3 stops24h 40mMultiple Airlines
Deal found 4/29$494
Thu 9/1911:16 amSAT - LHR
1 stop13h 14mJetBlue
Deal found 4/29$502
Sun 6/303:05 pmSAT - LHR
2 stops16h 25mMultiple Airlines
Deal found 4/30$504
Mon 6/1011:40 amSAT - LHR
3 stops24h 05mMultiple Airlines
Deal found 4/29$509
Fri 7/1911:35 amSAT - LHR
1 stop12h 55mJetBlue
Deal found 4/29$514

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 2,913,887 searches. Data last updated April 30, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$722 - $864

Route

Depart

Return

Price

San AntonioLondon Heathrow

SAT - LHR

SATLHR

San Antonio

Tue 5/14

1 stop15h 04m

London Heathrow

Tue 5/21

2 stops17h 57m

$722

San AntonioLondon Heathrow

SAT - LHR

SATLHR

San Antonio

Sun 10/6

1 stop12h 55m

London Heathrow

Tue 10/15

2 stops17h 08m

$782

San AntonioLondon Heathrow

SAT - LHR

SATLHR

San Antonio

Sun 10/6

1 stop12h 17m

London Heathrow

Tue 10/15

1 stop19h 03m

$787

San AntonioLondon Heathrow

SAT - LHR

SATLHR

San Antonio

Tue 9/24

1 stop11h 56m

London Heathrow

Mon 9/30

2 stops31h 36m

$809

San AntonioLondon Heathrow

SAT - LHR

SATLHR

San Antonio

Wed 9/4

1 stop12h 25m

London Heathrow

Wed 9/11

1 stop16h 04m

$814

San AntonioLondon Heathrow

SAT - LHR

SATLHR

San Antonio

Tue 9/24

2 stops24h 30m

London Heathrow

Mon 9/30

2 stops32h 35m

$824

San AntonioLondon Heathrow

SAT - LHR

SATLHR

San Antonio

Fri 5/17

3 stops23h 18m

London Heathrow

Mon 5/27

2 stops30h 29m

$846

San AntonioLondon Heathrow

SAT - LHR

SATLHR

San Antonio

Sat 9/14

2 stops35h 10m

London Heathrow

Thu 9/26

2 stops28h 55m

$851

San AntonioLondon Heathrow

SAT - LHR

SATLHR

San Antonio

Sun 9/1

1 stop13h 55m

London Heathrow

Sun 9/8

1 stop17h 14m

$864

Flights are sorted by cheapest first

Deals found on 4/30

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 28, 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.
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 $486 while a round-trip flight costs $811. 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 $1,165). 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

$674

February

$663

March

$715

April

$692

May

$738

June

$1,165

July

$984

August

$777

September

$746

October

$711

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 30, 2024.
Read through reviews of airlines operating flights from San Antonio to London, such as United Airlines, Lufthansa and British Airways. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
8.1
Very good
10,896 reviews

Comfort

7.9

Overall

8.1

Crew

8.6

Food

7.4

Boarding

8.2

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.

8.1
Very good
10,896 reviews
8.1
Very good
10,896 reviews

Comfort

7.9

Overall

8.1

Crew

8.6

Food

7.4

Boarding

8.2

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.

7.9
Good
1,616 reviews
8.1
Very good
10,896 reviews

Comfort

7.9

Overall

8.1

Crew

8.6

Food

7.4

Boarding

8.2

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.

7.8
Good
1,379 reviews
8.1
Very good
10,896 reviews

Comfort

7.9

Overall

8.1

Crew

8.6

Food

7.4

Boarding

8.2

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.

7.7
Good
743 reviews
8.1
Very good
10,896 reviews

Comfort

7.9

Overall

8.1

Crew

8.6

Food

7.4

Boarding

8.2

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.

7.6
Good
4,569 reviews
8.1
Very good
10,896 reviews

Comfort

7.9

Overall

8.1

Crew

8.6

Food

7.4

Boarding

8.2

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?

    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 United Airlines for just $722, but on average you can expect to pay $801.

  • Are there last-minute flights available from San Antonio to London Heathrow Airport for under $1,100?

    There are currently 20+ open flights from San Antonio to London Heathrow Airport within the next 7 days for less than $1,100.

  • 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 $722. Other airlines that can offer you cheap pricing are Delta, from $782, and American Airlines, from $787. United Airlines is 23% 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?

    $462 is the cheapest one-way deal found within the past few days, from JetBlue. You may also be able to find cheap deals on British Airways and American Airlines, with prices starting from $604 and $640, respectively.

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

  • 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 4/30.

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 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 2,913,887 searches. Data last updated April 30, 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

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.

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers 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?

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.

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

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!

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

Users can book flights with no change fees policies with our dedicated filters. Book flights from San Antonio to Heathrow flexibly with Cheapflights today.

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.

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.