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Cheap flights from San Antonio (SAT) to Heathrow (LHR) from $346

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 6/3. 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 2 — May 91
From?
To?
Thu 5/2
Thu 5/9
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 27, 2024.

Popular in

June

Cheapest in

February

Round-trip from

$644

One-way from

$495
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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From San Antonio to London Heathrow
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One-way flight 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 25% 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 2,991,349 searches. Data last updated April 27, 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.
Sun 8/185:50 pmSAT - LHR
1 stop11h 45mUnited Airlines
Sat 8/311:40 pmLHR - SAT
1 stop13h 50mUnited Airlines
Deal found 4/26$794
Sun 8/187:30 amSAT - LHR
2 stops16h 25mUnited Airlines
Sat 8/318:30 amLHR - SAT
2 stops19h 00mUnited Airlines
Deal found 4/26$798
Wed 10/162:20 pmSAT - LHR
2 stops14h 20mUnited Airlines
Tue 11/511:10 amLHR - SAT
2 stops17h 58mUnited Airlines
Deal found 4/26$799
Fri 5/1010:40 amSAT - LHR
1 stop17h 00mUnited Airlines
Tue 5/217:25 amLHR - SAT
2 stops21h 42mUnited Airlines
Deal found 4/26$805
Thu 5/92:19 pmSAT - LHR
1 stop15h 26mUnited Airlines
Thu 5/1610:35 amLHR - SAT
1 stop13h 12mUnited Airlines
Deal found 4/25$818
Fri 5/104:55 pmSAT - LHR
1 stop13h 25mUnited Airlines
Tue 5/218:00 amLHR - SAT
1 stop13h 36mUnited Airlines
Deal found 4/26$819
Wed 5/157:00 amSAT - LHR
1 stop16h 55mUnited Airlines
Fri 5/317:25 amLHR - SAT
2 stops17h 43mUnited Airlines
Deal found 4/26$834
Wed 5/157:00 amSAT - LHR
2 stops17h 30mUnited Airlines
Fri 5/316:50 amLHR - SAT
2 stops19h 05mUnited Airlines
Deal found 4/26$839
Wed 5/154:15 pmSAT - LHR
1 stop13h 20mUnited Airlines
Fri 5/3111:05 amLHR - SAT
1 stop15h 53mUnited Airlines
Deal found 4/26$848

Cheap Finnair flights from San Antonio to Heathrow

Explore cheap flight options specifically provided by Finnair 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 2,991,349 searches. Data last updated April 27, 2024.
To aid your search, here are some of the cheapest Finnair flights we've found from San Antonio to London. Make sure to examine the flight information before completing your reservation.
Thu 10/102:39 pmSAT - LHR
1 stop11h 21mFinnair
Thu 10/178:40 amLHR - SAT
1 stop14h 55mFinnair
Deal found 4/25$837
Sat 5/182:27 pmSAT - LHR
1 stop11h 38mFinnair
Tue 6/188:40 amLHR - SAT
1 stop15h 17mFinnair
Deal found 4/25$979
Sat 5/182:27 pmSAT - LHR
1 stop11h 38mFinnair
Sat 6/810:30 amLHR - SAT
1 stop13h 27mFinnair
Deal found 4/25$1,029

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 2,991,349 searches. Prices were last updated on April 27, 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.
Fri 5/1010:40 amSAT - LHR
1 stop17h 00mUnited Airlines
Tue 5/217:25 amLHR - SAT
2 stops21h 42mUnited Airlines
Deal found 4/26$805
Thu 5/92:19 pmSAT - LHR
1 stop15h 26mUnited Airlines
Thu 5/1610:35 amLHR - SAT
1 stop13h 12mUnited Airlines
Deal found 4/25$818
Fri 5/104:55 pmSAT - LHR
1 stop13h 25mUnited Airlines
Tue 5/218:00 amLHR - SAT
1 stop13h 36mUnited Airlines
Deal found 4/26$819
Tue 5/710:25 amSAT - LHR
2 stops17h 55mMultiple Airlines
Tue 5/286:30 pmLHR - SAT
1 stop30h 00mMultiple Airlines
Deal found 4/26$822
Wed 5/157:00 amSAT - LHR
1 stop16h 55mUnited Airlines
Fri 5/317:25 amLHR - SAT
2 stops17h 43mUnited Airlines
Deal found 4/26$834
Wed 5/157:00 amSAT - LHR
2 stops17h 30mUnited Airlines
Fri 5/316:50 amLHR - SAT
2 stops19h 05mUnited Airlines
Deal found 4/26$839
Tue 5/710:25 amSAT - LHR
2 stops17h 55mMultiple Airlines
Wed 5/297:30 amLHR - SAT
1 stop17h 00mMultiple Airlines
Deal found 4/26$840
Fri 5/107:25 pmSAT - LHR
2 stops29h 05mAir Canada
Tue 5/219:30 amLHR - SAT
2 stops31h 26mAir Canada
Deal found 4/26$846
Wed 5/154:15 pmSAT - LHR
1 stop13h 20mUnited Airlines
Fri 5/3111:05 amLHR - SAT
1 stop15h 53mUnited Airlines
Deal found 4/26$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 2,991,349 searches. Data last updated April 27, 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.
Wed 10/1612:29 pmSAT - LHR
1 stop11h 56mIberia
Tue 11/57:35 amLHR - SAT
2 stops19h 08mIberia
Deal found 4/26$771
Wed 10/3012:00 pmSAT - LHR
1 stop14h 15mDelta
Thu 11/79:00 amLHR - SAT
2 stops18h 11mDelta
Deal found 4/26$781
Sun 9/295:40 amSAT - LHR
1 stop18h 45mDelta
Fri 10/116:30 amLHR - SAT
2 stops16h 48mDelta
Deal found 4/26$783
Wed 10/25:53 pmSAT - LHR
1 stop12h 17mAmerican Airlines
Wed 10/169:15 amLHR - SAT
1 stop16h 40mAmerican Airlines
Deal found 4/27$785
Sun 9/295:53 pmSAT - LHR
1 stop12h 17mAmerican Airlines
Fri 10/118:40 amLHR - SAT
1 stop13h 09mAmerican Airlines
Deal found 4/26$786
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
Sun 8/1812:50 pmSAT - LHR
1 stop11h 55mDelta
Sat 8/3111:30 amLHR - SAT
2 stops17h 04mDelta
Deal found 4/26$788
Tue 10/17:20 amSAT - LHR
2 stops23h 00mMultiple 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 2,991,349 searches. Data last updated April 27, 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.
Tue 5/710:25 amSAT - LHR
2 stops17h 55mMultiple Airlines
Tue 5/286:30 pmLHR - SAT
1 stop30h 00mMultiple Airlines
Deal found 4/26$822
Tue 5/710:25 amSAT - LHR
2 stops17h 55mMultiple Airlines
Wed 5/297:30 amLHR - SAT
1 stop17h 00mMultiple Airlines
Deal found 4/26$840
Thu 5/28:41 pmSAT - LHR
3 stops35h 54mMultiple Airlines
Wed 5/87:05 amLHR - SAT
2 stops18h 53mMultiple Airlines
Deal found 4/25$870
Sat 5/41:00 pmSAT - LHR
1 stop14h 20mMultiple Airlines
Tue 5/281:10 pmLHR - SAT
2 stops35h 20mMultiple Airlines
Deal found 4/26$907
Tue 5/710:25 amSAT - LHR
1 stop13h 25mMultiple Airlines
Tue 5/286:30 pmLHR - SAT
1 stop30h 00mMultiple Airlines
Deal found 4/26$909
Tue 5/710:25 amSAT - LHR
1 stop13h 25mMultiple Airlines
Thu 5/302:30 pmLHR - SAT
2 stops26h 39mMultiple Airlines
Deal found 4/26$916
Tue 5/710:25 amSAT - LHR
1 stop13h 25mMultiple Airlines
Wed 5/297:30 amLHR - SAT
1 stop17h 00mMultiple Airlines
Deal found 4/26$927
Tue 5/710:25 amSAT - LHR
1 stop13h 25mMultiple Airlines
Sun 6/22:20 pmLHR - SAT
2 stops26h 30mMultiple Airlines
Deal found 4/26$929
Tue 5/710:25 amSAT - LHR
1 stop13h 25mMultiple Airlines
Fri 5/312:00 pmLHR - SAT
2 stops28h 10mMultiple Airlines
Deal found 4/26$931

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 2,991,349 searches. Data last updated April 27, 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.
Mon 6/31:12 pmSAT - LHR
2 stops26h 23mMultiple Airlines
Deal found 4/26$346
Tue 6/1110:25 amSAT - LHR
2 stops29h 30mMultiple Airlines
Deal found 4/26$357
Mon 6/1011:40 amSAT - LHR
2 stops22h 45mMultiple Airlines
Deal found 4/26$359
Mon 6/31:12 pmSAT - LHR
3 stops23h 38mMultiple Airlines
Deal found 4/26$360
Mon 10/149:19 amSAT - LHR
2 stops20h 36mMultiple Airlines
Deal found 4/26$366
Mon 6/1011:40 amSAT - LHR
3 stops25h 10mMultiple Airlines
Deal found 4/26$373
Wed 6/56:45 amSAT - LHR
3 stops32h 50mMultiple Airlines
Deal found 4/26$404
Mon 6/1711:40 amSAT - LHR
2 stops27h 05mMultiple Airlines
Deal found 4/26$416
Tue 7/210:25 amSAT - LHR
2 stops29h 30mMultiple Airlines
Deal found 4/26$434

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 2,991,349 searches. Data last updated April 27, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$771 - $846

Route

Depart

Return

Price

San AntonioLondon Heathrow

SAT - LHR

SATLHR

San Antonio

Wed 10/16

1 stop11h 56m

London Heathrow

Tue 11/5

2 stops19h 08m

$771

San AntonioLondon Heathrow

SAT - LHR

SATLHR

San Antonio

Sun 9/29

1 stop18h 45m

London Heathrow

Fri 10/11

2 stops16h 48m

$783

San AntonioLondon Heathrow

SAT - LHR

SATLHR

San Antonio

Wed 10/16

1 stop12h 17m

London Heathrow

Tue 11/5

1 stop14h 07m

$785

San AntonioLondon Heathrow

SAT - LHR

SATLHR

San Antonio

Sun 8/18

1 stop11h 45m

London Heathrow

Sat 8/31

1 stop13h 50m

$794

San AntonioLondon Heathrow

SAT - LHR

SATLHR

San Antonio

Wed 8/21

1 stop12h 25m

London Heathrow

Thu 11/14

2 stops17h 07m

$808

San AntonioLondon Heathrow

SAT - LHR

SATLHR

San Antonio

Tue 5/7

2 stops17h 55m

London Heathrow

Tue 5/28

1 stop30h 00m

$822

San AntonioLondon Heathrow

SAT - LHR

SATLHR

San Antonio

Thu 10/10

1 stop11h 21m

London Heathrow

Thu 10/17

1 stop14h 55m

$837

San AntonioLondon Heathrow

SAT - LHR

SATLHR

San Antonio

Fri 10/4

1 stop12h 25m

London Heathrow

Fri 10/18

1 stop16h 27m

$838

San AntonioLondon Heathrow

SAT - LHR

SATLHR

San Antonio

Fri 5/10

2 stops29h 05m

London Heathrow

Tue 5/21

2 stops31h 26m

$846

Flights are sorted by cheapest first

Deals found on 4/26

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.
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 $379 while a round-trip flight costs $809. Price data was last updated on April 21, 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 27, 2024.
Read through reviews of airlines operating flights from San Antonio to London, such as United Airlines, Finnair and JetBlue. 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
10,951 reviews
Check prices

Overall

8.1

Boarding

8.2

Comfort

7.9

Entertainment

8.0

Crew

8.6

Food

7.4

Reviews

1 / 10

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

Delta
8.1
Very good
10,951 reviews
Delta
8.1
Very good
10,951 reviews
Check prices

Overall

8.1

Boarding

8.2

Comfort

7.9

Entertainment

8.0

Crew

8.6

Food

7.4

Reviews

1 / 10

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

KLM
7.9
Good
1,623 reviews
Delta
8.1
Very good
10,951 reviews
Check prices

Overall

8.1

Boarding

8.2

Comfort

7.9

Entertainment

8.0

Crew

8.6

Food

7.4

Reviews

1 / 10

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

Finnair
7.8
Good
1,382 reviews
Delta
8.1
Very good
10,951 reviews
Check prices

Overall

8.1

Boarding

8.2

Comfort

7.9

Entertainment

8.0

Crew

8.6

Food

7.4

Reviews

1 / 10

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

Virgin Atlantic
7.7
Good
746 reviews
Delta
8.1
Very good
10,951 reviews
Check prices

Overall

8.1

Boarding

8.2

Comfort

7.9

Entertainment

8.0

Crew

8.6

Food

7.4

Reviews

1 / 10

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

JetBlue
7.6
Good
4,593 reviews
Delta
8.1
Very good
10,951 reviews
Check prices

Overall

8.1

Boarding

8.2

Comfort

7.9

Entertainment

8.0

Crew

8.6

Food

7.4

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 Iberia for just $771, 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 $771. Other airlines that can offer you cheap pricing are Delta, from $783, and American Airlines, from $785. Iberia is 17% cheaper than the average price of flights available within the next 90 days to this destination.

  • 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 4/27.

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 2,991,349 searches. Data last updated April 27, 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$610Average$955FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
IberiaCheapest$611Average$881FlexibilityNo cancel feeOn-time77%
Search Iberia flights
British AirwaysCheapest$623Average$903FlexibilityNo cancel feeOn-time70%
Search British Airways flights
United AirlinesCheapest$635Average$1,010FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
DeltaCheapest$652Average$1,008FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
American AirlinesCheapest$654Average$955FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
FinnairCheapest$672Average$698FlexibilityNo cancel feeOn-time76%
Search Finnair flights
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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.
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