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

Our cheapest airline available from London Heathrow Airport to San Antonio is Air Canada. Our recent data shows that you can find tickets from as low as $814 on this airline. Additional options worth looking into are Scandinavian Airlines and United Airlines, starting at $901 and $970 round-trip. Air Canada is 12% cheaper than the average price of flights available within the next 90 days to this destination.

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

$802 is the cheapest one-way deal found within the past few days, from Aer Lingus. You may also be able to find cheap deals on British Airways and Iberia, with prices starting from $888 and $961, respectively.

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

Travelers seeking maximum savings on their London Heathrow Airport to San Antonio flight should consider departing on Monday mornings when fares are most often at their lowest. Thursday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

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

Wednesday flights are generally found to be more expensive for flights from London Heathrow Airport to San Antonio. 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 San Antonio.

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

February can be a great time to fly to San Antonio from London Heathrow Airport with a flight ticket averaging about $913. Cheapflights users have found deals in the month of February for as cheap as $658. The most expensive prices can be found in the month of August.

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

A simple way to save on the total cost of your ticket is to fly from London Heathrow Airport to San Antonio in the morning. If you’re flexible enough to do this you can expect to save up to 5% on your trip compared to booking a flight at noon.

Most accurate provider : When it comes to deals on London Heathrow Airport-San Antonio flights, users find the pricing of AranGrant to be most consistent on Cheapflights vs. AranGrant Users can find the same prices on London Heathrow Airport-San Antonio flight deals on Cheapflights vs. AranGrant >95% of the time. Price accuracy is based on data collected from London Heathrow Airport-San Antonio flight searches over the past month and is updated monthly.

Most trusted provider : When it comes to deals on London Heathrow Airport-San Antonio flights, Cheapflights users trust AranGrant the most. AranGrant 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 London Heathrow Airport-San Antonio flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

What airport do you fly into for flights to San Antonio from London Heathrow?

San Antonio (SAT) is the airport you will fly into if you book a flight from London Heathrow to San Antonio. You should not have trouble finding flights to San Antonio from London Heathrow; the airport handles an average of 0 inbound flights from London Heathrow per day. You should also have plenty of airline options to choose from since 1 airline has flights to the San Antonio airport from London Heathrow. It is only a 7.6 mi journey from San Antonio (SAT) to San Antonio’s city center.

Can I find deals for flights from Heathrow to San Antonio that include hotel bookings?

Yes. In addition to deals on Heathrow to San Antonio flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from Heathrow to San Antonio?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Heathrow to San Antonio.

Can I find deals for business class flights from Heathrow to San Antonio?

Yes. Cheapflights offers flight deals from Heathrow to San Antonio by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

$390+ Flights from London Heathrow Airport to San Antonio

Q: How far in advance should I book a flight from London Heathrow Airport to San Antonio?

To save on the cost of your flight from London Heathrow Airport to San Antonio, book at least 51 days before your planned departure. Booking around this time can save you about 36% on the cost of this flight compared to booking a flight leaving this week. We have found prices from $732 if you need a flight within two weeks. For flights within the next 72 hours, you can find tickets from as low as $948.

Home Search by date Vacation packages Hotels Flight deals Car rental Travel tips & news

Find cheap flights from Heathrow to San Antonio with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheapflights Tip: The best prices from London Heathrow to San Antonio are usually found in November or September, booked 84 days in advance, depart on a Monday or Thursday and return on a Thursday

Cheap flight deals from Heathrow to San Antonio

Most accurate provider	AranGrant 3 stars
Most trusted provider	AranGrant 3 stars
Round-trip from	$670 (Mytrip)
One-way from	$390 (Kiwi.com)
Popular in	August
Cheapest in	November
Average price	$1,027

Provider with most accurate pricing for London Heathrow-San Antonio flight deals.

Search Deals

Provider most trusted by Cheapflights users for London Heathrow-San Antonio flights.

Search Deals

From London Heathrow to San Antonio

Search Deals

One-way flight from London Heathrow to San Antonio

Search Deals

Highest demand for flights based on searches. 12% potential increase in price ($134 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 2% potential price decrease ($28 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in April 2025

Search Deals

Find flight deals from Heathrow to San Antonio

Cheapest flights from Heathrow to San Antonio
Explore the most affordable flight options available from Heathrow to San Antonio. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 15, 2025.

Thu 5/81:35 pmLHR - SAT

1 stop30h 07mMultiple Airlines

Mon 5/126:45 amSAT - LHR

1 stop28h 30mMultiple Airlines

Deal found 4/15

$670

Wed 4/308:30 amLHR - SAT

2 stops20h 48mAir Canada

Mon 5/55:30 amSAT - LHR

2 stops24h 20mAir Canada

Deal found 4/14

$814

Wed 5/1410:20 amLHR - SAT

2 stops19h 22mScandinavian Airlines

Thu 9/254:10 pmSAT - LHR

2 stops23h 30mScandinavian Airlines

Deal found 4/14

$901

Tue 5/2712:15 pmLHR - SAT

1 stop14h 07mUnited Airlines

Fri 9/512:10 pmSAT - LHR

1 stop12h 35mUnited Airlines

Deal found 4/14

$970

Wed 9/243:10 pmLHR - SAT

1 stop13h 50mBritish Airways

Tue 9/308:32 pmSAT - LHR

1 stop11h 53mBritish Airways

Deal found 4/15

$998

Wed 5/711:30 amLHR - SAT

2 stops18h 28mIberia

Mon 5/123:15 pmSAT - LHR

1 stop13h 15mIberia

Deal found 4/14

$1,028

Mon 11/173:00 pmLHR - SAT

2 stops27h 10mLufthansa

Mon 11/2410:00 amSAT - LHR

2 stops13h 55mLufthansa

Deal found 4/15

$1,031

Wed 5/146:30 amLHR - SAT

2 stops16h 50mDelta

Thu 9/2512:15 pmSAT - LHR

1 stop12h 30mDelta

Deal found 4/14

$1,036

Wed 4/238:20 amLHR - SAT

1 stop15h 58mAmerican Airlines

Tue 5/203:15 pmSAT - LHR

1 stop13h 15mAmerican Airlines

Deal found 4/14

$1,048

Fri 4/259:20 amLHR - SAT

1 stop14h 09mKLM

Sun 5/186:19 pmSAT - LHR

1 stop13h 11mKLM

Deal found 4/14

$1,126

Tue 9/911:45 amLHR - SAT

1 stop17h 33mVirgin Atlantic

Sat 9/134:25 pmSAT - LHR

1 stop32h 50mVirgin Atlantic

Deal found 4/15

$1,150

Thu 6/1212:25 pmLHR - SAT

1 stop14h 58mAir France

Tue 6/246:11 pmSAT - LHR

1 stop13h 19mAir France

Deal found 4/14

$1,242

Best flights from Heathrow to San Antonio
Discover carefully curated flight deals from Heathrow to San Antonio that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated April 15, 2025.

Thu 5/81:35 pmLHR - SAT

1 stop30h 07mMultiple Airlines

Mon 5/126:45 amSAT - LHR

1 stop28h 30mMultiple Airlines

Deal found 4/15

$670

Wed 4/308:30 amLHR - SAT

2 stops20h 48mAir Canada

Mon 5/55:30 amSAT - LHR

2 stops24h 20mAir Canada

Deal found 4/14

$814

Wed 5/1410:20 amLHR - SAT

2 stops19h 22mScandinavian Airlines

Thu 9/254:10 pmSAT - LHR

2 stops23h 30mScandinavian Airlines

Deal found 4/14

$901

Tue 5/2712:15 pmLHR - SAT

1 stop14h 07mUnited Airlines

Fri 9/512:10 pmSAT - LHR

1 stop12h 35mUnited Airlines

Deal found 4/14

$970

Wed 4/3012:00 pmLHR - SAT

1 stop13h 46mBritish Airways

Wed 5/76:43 pmSAT - LHR

1 stop12h 02mBritish Airways

Deal found 4/14

$1,005

Wed 5/711:30 amLHR - SAT

2 stops18h 28mIberia

Mon 5/123:15 pmSAT - LHR

1 stop13h 15mIberia

Deal found 4/14

$1,028

Wed 5/146:30 amLHR - SAT

2 stops16h 50mDelta

Thu 9/2512:15 pmSAT - LHR

1 stop12h 30mDelta

Deal found 4/14

$1,036

Wed 4/238:20 amLHR - SAT

1 stop15h 58mAmerican Airlines

Thu 5/156:34 pmSAT - LHR

1 stop11h 41mAmerican Airlines

Deal found 4/14

$1,048

Fri 4/251:05 pmLHR - SAT

1 stop13h 23mKLM

Sat 5/176:08 pmSAT - LHR

1 stop13h 22mKLM

Deal found 4/14

$1,126

Tue 6/35:40 pmLHR - SAT

2 stops24h 43mLufthansa

Fri 7/1112:13 pmSAT - LHR

1 stop17h 22mLufthansa

Deal found 4/15

$1,197

Thu 6/1212:25 pmLHR - SAT

1 stop14h 58mAir France

Tue 6/246:11 pmSAT - LHR

1 stop13h 19mAir France

Deal found 4/14

$1,242

Fri 5/303:15 pmLHR - SAT

1 stop15h 13mVirgin Atlantic

Fri 6/66:09 pmSAT - LHR

1 stop13h 21mVirgin Atlantic

Deal found 4/14

$1,249

Last-minute flights from Heathrow to San Antonio
Discover last-minute flight deals from Heathrow to San Antonio. Data last updated April 15, 2025 and is based on user searches.

Sun 4/206:40 amLHR - SAT

3 stops21h 25mScandinavian Airlines

Sat 4/2612:13 pmSAT - LHR

2 stops24h 17mScandinavian Airlines

Deal found 4/14

$1,423

Mon 4/218:20 amLHR - SAT

1 stop13h 12mBritish Airways

Tue 4/227:05 pmSAT - LHR

1 stop11h 40mBritish Airways

Deal found 4/15

$3,402

Mon 4/211:05 pmLHR - SAT

1 stop13h 23mVirgin Atlantic

Tue 4/221:35 pmSAT - LHR

1 stop11h 40mVirgin Atlantic

Deal found 4/15

$3,547

Wed 4/238:20 amLHR - SAT

1 stop15h 58mAmerican Airlines

Tue 5/203:15 pmSAT - LHR

1 stop13h 15mAmerican Airlines

Deal found 4/14

$1,048

Wed 4/2312:45 pmLHR - SAT

1 stop14h 50mDelta

Tue 5/2011:59 amSAT - LHR

1 stop12h 26mDelta

Deal found 4/14

$1,054

Thu 4/242:10 pmLHR - SAT

2 stops25h 49mMultiple Airlines

Thu 5/1510:34 amSAT - LHR

1 stop13h 16mMultiple Airlines

Deal found 4/14

$1,193

Fri 4/251:05 pmLHR - SAT

1 stop13h 23mKLM

Sat 5/176:08 pmSAT - LHR

1 stop13h 22mKLM

Deal found 4/14

$1,126

Fri 4/259:30 amLHR - SAT

2 stops17h 04mAir Canada

Sat 5/172:08 pmSAT - LHR

2 stops13h 52mAir Canada

Deal found 4/14

$1,528

Wed 4/308:30 amLHR - SAT

2 stops20h 48mAir Canada

Mon 5/55:30 amSAT - LHR

2 stops24h 20mAir Canada

Deal found 4/14

$814

Wed 4/3012:00 pmLHR - SAT

1 stop13h 46mBritish Airways

Wed 5/76:43 pmSAT - LHR

1 stop12h 02mBritish Airways

Deal found 4/14

$1,005

Wed 5/711:30 amLHR - SAT

2 stops18h 28mIberia

Mon 5/123:15 pmSAT - LHR

1 stop13h 15mIberia

Deal found 4/14

$1,028

Thu 5/81:35 pmLHR - SAT

1 stop30h 07mMultiple Airlines

Mon 5/126:45 amSAT - LHR

1 stop28h 30mMultiple Airlines

Deal found 4/15

$670

One-way flights from Heathrow to San Antonio
Search for one-way flight options from Heathrow to San Antonio. Find affordable one-way fares based on user searches. Data last updated April 15, 2025.

Sat 4/267:00 amLHR - SAT

3 stops43h 01mMultiple Airlines

Deal found 4/14

$390

Mon 4/218:50 amLHR - SAT

2 stops21h 08mAer Lingus

Deal found 4/14

$802

Thu 4/2410:30 amLHR - SAT

1 stop13h 48mBritish Airways

Deal found 4/15

$888

Mon 4/213:10 pmLHR - SAT

1 stop14h 48mIberia

Deal found 4/14

$961

Wed 5/149:50 amLHR - SAT

1 stop20h 09mFinnair

Deal found 4/14

$992

Sun 6/2912:15 pmLHR - SAT

1 stop14h 12mLufthansa

Deal found 4/14

$1,038

Thu 4/247:05 amLHR - SAT

3 stops23h 25mScandinavian Airlines

Deal found 4/14

$2,428

Sat 7/129:30 amLHR - SAT

3 stops20h 29mUnited Airlines

Deal found 4/14

$4,083

Cheapflights Fare Finder

Use the filters below to find and compare flights from London Heathrow Airport to San Antonio that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

LondonSan Antonio

LHR - SAT

LHRSAT

London Heathrow

Thu 5/8

1:35 pm-1:42 pm

1 stop30h 07m

San Antonio

Mon 5/12

6:45 am-5:15 pm

1 stop28h 30m

$670

LondonSan Antonio

LHR - SAT

LHRSAT

London Heathrow

Wed 4/30

8:30 am-11:18 pm

2 stops20h 48m

San Antonio

Mon 5/5

5:30 am-11:50 am

2 stops24h 20m

$814

LondonSan Antonio

LHR - SAT

LHRSAT

London Heathrow

Wed 5/14

10:20 am-11:42 pm

2 stops19h 22m

San Antonio

Thu 9/25

4:10 pm-9:40 pm

2 stops23h 30m

$901

LondonSan Antonio

LHR - SAT

LHRSAT

London Heathrow

Tue 5/27

12:15 pm-8:22 pm

1 stop14h 07m

San Antonio

Fri 9/5

12:10 pm-6:45 am

1 stop12h 35m

$970

LondonSan Antonio

LHR - SAT

LHRSAT

London Heathrow

Wed 4/30

12:00 pm-7:46 pm

1 stop13h 46m

San Antonio

Wed 5/7

6:43 pm-12:45 pm

1 stop12h 02m

$1,005

LondonSan Antonio

LHR - SAT

LHRSAT

London Heathrow

Wed 5/7

11:30 am-11:58 pm

2 stops18h 28m

San Antonio

Mon 5/12

3:15 pm-10:30 am

1 stop13h 15m

$1,028

LondonSan Antonio

LHR - SAT

LHRSAT

London Heathrow

Wed 5/14

6:30 am-5:20 pm

2 stops16h 50m

San Antonio

Thu 9/25

12:15 pm-6:45 am

1 stop12h 30m

$1,036

LondonSan Antonio

LHR - SAT

LHRSAT

London Heathrow

Wed 4/23

8:20 am-6:18 pm

1 stop15h 58m

San Antonio

Tue 5/20

3:15 pm-10:30 am

1 stop13h 15m

$1,048

LondonSan Antonio

LHR - SAT

LHRSAT

London Heathrow

Fri 4/25

1:05 pm-8:28 pm

1 stop13h 23m

San Antonio

Sat 5/17

6:08 pm-1:30 pm

1 stop13h 22m

$1,126

LondonSan Antonio

LHR - SAT

LHRSAT

London Heathrow

Tue 6/3

5:40 pm-12:23 pm

2 stops24h 43m

San Antonio

Fri 7/11

12:13 pm-11:35 am

1 stop17h 22m

$1,197

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/14

Showing 1-10 of 22 results

Compare providers for flights from Heathrow to San Antonio

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Heathrow to San Antonio in April.

Provider	Price Accuracy	Trust Score*
eDreams	Price Accuracy3 stars	Trust Score*3 stars
FlightHub	Price Accuracy3 stars	Trust Score*2 stars
AranGrant	Price Accuracy3 stars	Trust Score*3 stars
Priceline	Price Accuracy1 star	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 London Heathrow Airport-San Antonio flights, users find the pricing of AranGrant to be most consistent on Cheapflights vs. AranGrant Users can find the same prices on London Heathrow Airport-San Antonio flight deals on Cheapflights vs. AranGrant >95% of the time. Price accuracy is based on data collected from London Heathrow Airport-San Antonio flight searches over the past month and is updated monthly.
Most trusted provider: When it comes to deals on London Heathrow Airport-San Antonio flights, Cheapflights users trust AranGrant the most. AranGrant 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 London Heathrow Airport-San Antonio 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 Heathrow to San Antonio

Have a flexible travel schedule? Discover the best time to fly to San Antonio from Heathrow 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.

Cheapflights Insights

Everything you need to know about your flight from London Heathrow Airport to San Antonio

How far ahead should I book a flight from London Heathrow Airport to San Antonio?

To ensure you get the cheapest price possible for a flight from London Heathrow Airport to San Antonio, you should look to book at least 79 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 London Heathrow Airport to San Antonio?

Currently, August is the cheapest month in which you can book a flight from London Heathrow Airport to San Antonio (average of $295). Flying from London Heathrow Airport to San Antonio in March is currently the most expensive (average of $376). 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.

Rainfall in San Antonio by month

In terms of precipitation, rainfall in San Antonio ranges from 1.6 - 3.7 inches per month. May is typically the wettest month, when rainfall can reach 3.7 in. December is typically the driest time to visit San Antonio when rainfall is around 1.6 in.

Temperature in San Antonio by month

If weather is an important factor for your trip to San Antonio, 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 84.2 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 51.8 F).

Reviews of airlines servicing San Antonio

Read through reviews of airlines operating flights from London to San Antonio, such as Delta, KLM and Finnair. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Delta

8.0

Very good

7,917 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Delta

8.0

Very good

7,917 reviews

Delta

8.0

Very good

7,917 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

KLM

7.8

Good

1,323 reviews

Delta

8.0

Very good

7,917 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Finnair

7.6

Good

1,269 reviews

Delta

8.0

Very good

7,917 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Air France

7.5

Good

1,435 reviews

Delta

8.0

Very good

7,917 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

United Airlines

7.4

Good

8,658 reviews

Delta

8.0

Very good

7,917 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Related info for your journey

What airport do you fly into for flights to San Antonio from London Heathrow?
San Antonio (SAT) is the airport you will fly into if you book a flight from London Heathrow to San Antonio. You should not have trouble finding flights to San Antonio from London Heathrow; the airport handles an average of 0 inbound flights from London Heathrow per day. You should also have plenty of airline options to choose from since 1 airline has flights to the San Antonio airport from London Heathrow. It is only a 7.6 mi journey from San Antonio (SAT) to San Antonio’s city center.
What are the cheapest airlines flying from London Heathrow Airport to San Antonio round-trip?
Our cheapest airline available from London Heathrow Airport to San Antonio is Air Canada. Our recent data shows that you can find tickets from as low as $814 on this airline. Additional options worth looking into are Scandinavian Airlines and United Airlines, starting at $901 and $970 round-trip. Air Canada is 12% cheaper than the average price of flights available within the next 90 days to this destination.
What are the cheapest airlines to fly from London Heathrow Airport to San Antonio one-way?
$802 is the cheapest one-way deal found within the past few days, from Aer Lingus. You may also be able to find cheap deals on British Airways and Iberia, with prices starting from $888 and $961, respectively.
Can I find deals for flights from Heathrow to San Antonio that include hotel bookings?
Yes. In addition to deals on Heathrow to San Antonio flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Heathrow to San Antonio?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Heathrow to San Antonio.
Can I find deals for business class flights from Heathrow to San Antonio?
Yes. Cheapflights offers flight deals from Heathrow to San Antonio 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 London Heathrow Airport to San Antonio?
Currently, August is the cheapest month in which you can book a flight from London Heathrow Airport to San Antonio (average of $295). Flying from London Heathrow Airport to San Antonio in March is currently the most expensive (average of $376). 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.

See more FAQs

New Braunfels

Browse thousands of different options on Cheapflights for your next trip

Alternative routes for Heathrow to San Antonio

Heathrow to Dallas/Fort Worth flights

Heathrow to Hobby flights

Heathrow to George Bush Intcntl flights

Heathrow to Austin flights

Gatwick to Dallas/Fort Worth flights

Gatwick to Hobby flights

Heathrow to Love Field flights

London City to George Bush Intcntl flights

Gatwick to George Bush Intcntl flights

London City to Dallas/Fort Worth flights

Gatwick to Austin flights

Gatwick to San Antonio flights

Luton to Dallas/Fort Worth flights

Stansted to Hobby flights

Heathrow to Midland flights

Stansted to Austin flights

Heathrow to Amarillo flights

Heathrow to Corpus Christi flights

Heathrow to McAllen flights

Other flights to San Antonio

Denver to San Antonio flights

Atlanta to San Antonio flights

Orlando to San Antonio flights

Las Vegas to San Antonio flights

Tampa to San Antonio flights

Los Angeles to San Antonio flights

San Antonio to Monterrey flights

San Antonio to Las Vegas flights

San Antonio to Tampa flights

San Antonio to Dallas Love Field Airport flights

San Antonio to Oklahoma City flights

San Antonio to Mexico City flights

San Antonio to Los Angeles flights

San Antonio to Guadalajara flights

San Antonio to Orlando Airport flights

San Antonio to Atlanta flights

San Antonio to Santiago de Querétaro flights

San Antonio to Fort Lauderdale flights

San Antonio to Los Angeles flights

San Antonio to San Luis Potosí flights

San Antonio to San Juan Luis Munoz Marin Intl Airport flights

San Antonio to Las Vegas flights

San Antonio to Tampa flights

San Antonio to Minneapolis flights

Top airline flying from Heathrow to San Antonio

Airline	Cheapest	Average	Flexibility	On-time
British Airways	Cheapest$1,014	Average$1,421	FlexibilityNo cancel fee	On-time70%

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.

$390+ Cheap flights from Heathrow (LHR) to San Antonio (SAT)

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 4/26. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Heathrow to San Antonio with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheapflights Tip: The best prices from London Heathrow to San Antonio are usually found in November or September, booked 84 days in advance, depart on a Monday or Thursday and return on a Thursday

Cheap flight deals from Heathrow to San Antonio

Most accurate provider

Most trusted provider

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find flight deals from Heathrow to San Antonio

Cheapest flights from Heathrow to San AntonioExplore the most affordable flight options available from Heathrow to San Antonio. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 15, 2025.

Explore the most affordable flight options available from Heathrow to San Antonio. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 15, 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from London Heathrow Airport to San Antonio that are best for you.

Compare providers for flights from Heathrow to San Antonio

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 Heathrow to San Antonio in April.

Best time to book a flight from Heathrow to San Antonio

Have a flexible travel schedule? Discover the best time to fly to San Antonio from Heathrow with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from London Heathrow Airport to San Antonio

How far ahead should I book a flight from London Heathrow Airport to San Antonio?

Use this chart to determine the optimal time to book a round-trip flight from Heathrow to San Antonio. Price data was last updated on April 11, 2025.

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

Rainfall in San Antonio by month

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

Temperature in San Antonio by month

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

Reviews of airlines servicing San Antonio

Read through reviews of airlines operating flights from London to San Antonio, such as Delta, KLM and Finnair. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Find useful and relevant information for your journey from Heathrow to San Antonio. 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 into for flights to San Antonio from London Heathrow?

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

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

Can I find deals for flights from Heathrow to San Antonio that include hotel bookings?

How can I find direct flights from Heathrow to San Antonio?

Can I find deals for business class flights from Heathrow to San Antonio?

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

Traveling to a place near London Heathrow Airport?

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 Heathrow to San Antonio

See prices for flight routes from nearby airports that may be better suited for you.

Top airline flying from Heathrow to San Antonio

100% Free

Book with Flexibility

Travel Smart

Cheapest flights from Heathrow to San Antonio
Explore the most affordable flight options available from Heathrow to San Antonio. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 15, 2025.