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$300+ Cheap flights from San Antonio (SAT) to Heathrow (LHR)

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 2/1. Fares are subject to change and may not be available on all flights or dates of travel.
SAT — LHR
Nov 25 — Dec 21
Mon 11/25
Mon 12/2
1 adult, Economy
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The best prices from San Antonio to London Heathrow are usually found in February or April, booked 45 days in advance, depart on a Thursday or Sunday and return on a Monday

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 November 20, 2024.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Popular in

June

Cheapest in

February

Round-trip from

$666
(Gurufare)

One-way from

$300
(Kiwi.com)
Provider with most accurate pricing for San Antonio-London Heathrow flight deals.
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High demand for flights, 34% potential price rise
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Best time to find cheap flights, 26% 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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Find flight deals from San Antonio to Heathrow

Cheapest flights from San Antonio to Heathrow
Explore the most affordable flight options available from San Antonio to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 20, 2024.

This Mytrip deal was found by Cheapflights users on 11/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/38:06 pmSAT - LHR
3 stops33h 44mMultiple Airlines
Tue 12/103:00 pmLHR - SAT
3 stops33h 32mMultiple Airlines
Deal found 11/19$789
This Gurufare deal was found by Cheapflights users on 11/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/96:30 amSAT - LHR
2 stops27h 30mScandinavian Airlines
Mon 12/166:40 amLHR - SAT
2 stops22h 54mScandinavian Airlines
Deal found 11/20$833
This United Airlines deal was found by Cheapflights users on 11/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/1712:08 pmSAT - LHR
2 stops17h 42mUnited Airlines
Tue 12/243:00 pmLHR - SAT
2 stops35h 00mUnited Airlines
Deal found 11/19$890
This Virgin Atlantic deal was found by Cheapflights users on 11/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Virgin Atlantic is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/1612:27 pmSAT - LHR
1 stop11h 53mVirgin Atlantic
Mon 12/239:10 amLHR - SAT
1 stop20h 46mVirgin Atlantic
Deal found 11/18$912
This CheapOair deal was found by Cheapflights users on 11/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/246:02 pmSAT - LHR
2 stops30h 28mAir Canada
Tue 1/72:30 pmLHR - SAT
2 stops26h 46mAir Canada
Deal found 11/20$943
This Cheapflightsfares deal was found by Cheapflights users on 11/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/412:36 pmSAT - LHR
1 stop15h 04mBritish Airways
Wed 12/118:20 amLHR - SAT
1 stop15h 22mBritish Airways
Deal found 11/18$971
This Delta deal was found by Cheapflights users on 11/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/245:20 amSAT - LHR
1 stop19h 00mDelta
Tue 1/78:05 pmLHR - SAT
1 stop21h 30mDelta
Deal found 11/19$976
This KLM deal was found by Cheapflights users on 11/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/172:14 pmSAT - LHR
1 stop11h 41mKLM
Tue 12/244:10 pmLHR - SAT
1 stop23h 53mKLM
Deal found 11/19$991
This Cheapflightsfares deal was found by Cheapflights users on 11/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/96:00 amSAT - LHR
2 stops23h 25mAer Lingus
Mon 12/168:50 amLHR - SAT
2 stops20h 44mAer Lingus
Deal found 11/19$998
This Trip.com deal was found by Cheapflights users on 11/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/176:00 amSAT - LHR
1 stop20h 15mIberia
Fri 12/279:25 amLHR - SAT
1 stop16h 19mIberia
Deal found 11/19$1,033
This Aeromexico deal was found by Cheapflights users on 11/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Aeromexico is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/96:31 pmSAT - LHR
1 stop11h 09mAir France
Fri 12/2010:20 amLHR - SAT
1 stop19h 14mAir France
Deal found 11/19$1,042
This American Airlines deal was found by Cheapflights users on 11/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/1710:39 amSAT - LHR
1 stop13h 41mAmerican Airlines
Sun 12/298:20 amLHR - SAT
1 stop16h 12mAmerican Airlines
Deal found 11/19$1,201

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 2,629,791 searches. Data last updated November 20, 2024.

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Fly to

Any airport

Route

Depart

Return

Price

San AntonioLondon

SAT - LHR

SATLHR

San Antonio

Mon 1/13

1:59 pm-5:40 pm

2 stops21h 41m

London Heathrow

Mon 1/27

6:40 am-12:32 am

2 stops23h 52m

$666

San AntonioLondon

SAT - LHR

SATLHR

San Antonio

Mon 1/13

5:45 am-4:00 pm

3 stops28h 15m

London Heathrow

Mon 1/27

6:40 am-4:33 am

3 stops27h 53m

$681

San AntonioLondon

SAT - LHR

SATLHR

San Antonio

Wed 3/19

4:25 pm-10:35 am

1 stop13h 10m

London Heathrow

Tue 3/25

12:30 pm-12:07 am

1 stop16h 37m

$754

San AntonioLondon

SAT - LHR

SATLHR

San Antonio

Sat 4/5

7:00 pm-7:40 am

1 stop30h 40m

London Heathrow

Fri 4/18

2:05 pm-12:10 pm

2 stops28h 05m

$764

San AntonioLondon

SAT - LHR

SATLHR

San Antonio

Wed 4/30

2:55 pm-10:20 am

1 stop13h 25m

London Heathrow

Wed 5/7

3:35 pm-11:18 pm

1 stop13h 43m

$774

San AntonioLondon

SAT - LHR

SATLHR

San Antonio

Sat 4/5

11:45 am-6:30 am

2 stops36h 45m

London Heathrow

Fri 4/18

2:05 pm-3:38 pm

2 stops31h 33m

$785

San AntonioLondon

SAT - LHR

SATLHR

San Antonio

Wed 1/15

12:26 pm-6:20 am

1 stop11h 54m

London Heathrow

Wed 5/14

11:30 am-11:36 pm

2 stops18h 06m

$787

San AntonioLondon

SAT - LHR

SATLHR

San Antonio

Wed 1/15

6:20 am-7:05 am

1 stop18h 45m

London Heathrow

Tue 1/21

7:35 pm-5:26 pm

2 stops27h 51m

$847

San AntonioLondon

SAT - LHR

SATLHR

San Antonio

Sat 3/15

2:00 pm-7:05 am

1 stop12h 05m

London Heathrow

Sat 3/22

10:50 am-10:55 pm

1 stop17h 05m

$854

San AntonioLondon

SAT - LHR

SATLHR

San Antonio

Wed 5/14

12:10 pm-6:55 am

1 stop12h 45m

London Heathrow

Wed 5/28

12:10 pm-11:00 pm

1 stop16h 50m

$899

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/18

Showing 1-10 of 22 results
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Compare providers for flights from San Antonio to Heathrow

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from San Antonio to Heathrow in November.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy3 starsTrust Score*3 stars
FlightnetworkPrice Accuracy-Trust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on San Antonio-London Heathrow Airport flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on San Antonio-London Heathrow Airport flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from San Antonio-London Heathrow Airport flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on San Antonio-London Heathrow Airport flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for San Antonio-London Heathrow Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from San Antonio to Heathrow

Have a flexible travel schedule? Discover the best time to fly to Heathrow from San Antonio with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Travel insights for flights from San Antonio to Heathrow

Get recent, data-driven insights about flights from San Antonio to Heathrow including ideal travel times, pricing trends, and more.

How far ahead should I 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 November 15, 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 45 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.

What is the cheapest month to book a flight from San Antonio to London Heathrow Airport?

Currently, November is the cheapest month in which you can book a flight from San Antonio to London Heathrow Airport (average of $648). Flying from San Antonio to London Heathrow Airport in June is currently the most expensive (average of $1,089). 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.

What is the cheapest time of day to fly from SAT to LHR?

Find hourly flight availability from San Antonio to Heathrow. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated November 20, 2024.

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 noon, which can drop the price by up to 13% versus a flight in the evening.

What is the cheapest day 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 November 18, 2024.

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. Monday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

Rainfall in Heathrow by month

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

In terms of precipitation, rainfall in London Heathrow Airport ranges from 1.6 - 2.8 inches per month. January is typically the wettest month, when rainfall can reach 2.8 in. July is typically the driest time to visit London Heathrow Airport when rainfall is around 1.6 in.

Temperature in Heathrow by month

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

If weather is an important factor for your trip to London Heathrow Airport, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 62.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 39.2 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 November 20, 2024.
Read through reviews of airlines operating flights from San Antonio to London, such as Scandinavian Airlines, KLM and United Airlines. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
8,756 reviews

Comfort

7.9

Crew

8.5

Boarding

8.2

Overall

8.0

Food

7.3

Entertainment

7.9

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Delta
8.0
Very good
8,756 reviews
Delta
8.0
Very good
8,756 reviews

Comfort

7.9

Crew

8.5

Boarding

8.2

Overall

8.0

Food

7.3

Entertainment

7.9

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

KLM
7.8
Good
1,350 reviews
Delta
8.0
Very good
8,756 reviews

Comfort

7.9

Crew

8.5

Boarding

8.2

Overall

8.0

Food

7.3

Entertainment

7.9

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Finnair
7.7
Good
1,300 reviews
Delta
8.0
Very good
8,756 reviews

Comfort

7.9

Crew

8.5

Boarding

8.2

Overall

8.0

Food

7.3

Entertainment

7.9

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Virgin Atlantic
7.5
Good
663 reviews
Delta
8.0
Very good
8,756 reviews

Comfort

7.9

Crew

8.5

Boarding

8.2

Overall

8.0

Food

7.3

Entertainment

7.9

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Air France
7.4
Good
1,523 reviews
Delta
8.0
Very good
8,756 reviews

Comfort

7.9

Crew

8.5

Boarding

8.2

Overall

8.0

Food

7.3

Entertainment

7.9

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

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 7 different airlines.

  • 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 $666. Other airlines that can offer you cheap pricing are KLM, from $754, and United Airlines, from $764. Scandinavian Airlines is 27% 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?

    $365 is the cheapest one-way deal found within the past few days, from Scandinavian Airlines. You may also be able to find cheap deals on KLM and Air Canada, with prices starting from $472 and $478, respectively.

  • 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.

  • What is the cheapest month to book a flight from San Antonio to London Heathrow Airport?

    Currently, November is the cheapest month in which you can book a flight from San Antonio to London Heathrow Airport (average of $648). Flying from San Antonio to London Heathrow Airport in June is currently the most expensive (average of $1,089). 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.

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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 7 airlines flying from San Antonio to Heathrow

Discover the top 7 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 2,629,791 searches. Data last updated November 20, 2024.
AirlineCheapestAverageFlexibilityOn-time
Virgin AtlanticCheapest$603Average$940FlexibilityNo cancel feeOn-time72%
IberiaCheapest$642Average$874FlexibilityNo cancel feeOn-time77%
British AirwaysCheapest$645Average$911FlexibilityNo cancel feeOn-time70%
KLMCheapest$647Average$1,224FlexibilityNo cancel feeOn-time75%
DeltaCheapest$652Average$1,020FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$653Average$949FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$663Average$953FlexibilityNo cancel feeOn-time69%
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