HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Heathrow

$365+ 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 2/18. Fares are subject to change and may not be available on all flights or dates of travel.
SAT — LHR
Dec 10 — Dec 171
Tue 12/10
Tue 12/17
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from San Antonio to Heathrow 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.

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 December 5, 2024.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Popular in

June

Cheapest in

February

Round-trip from

$621
(Ticket)

One-way from

$365
(Gurufare)
Provider with most accurate pricing for San Antonio-London Heathrow flight deals.
Search Deals
Provider most trusted by Cheapflights users for San Antonio-London Heathrow flights.
Search Deals
High demand for flights, 35% potential price rise
Search Deals
Best time to find cheap flights, 26% potential price drop
Search Deals
From San Antonio to London Heathrow
Search Deals
One-way flight from San Antonio to London Heathrow
Search Deals

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 December 5, 2024.

This KAYAK deal was found by Cheapflights users on 12/3. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/86:30 amSAT - LHR
2 stops27h 30mScandinavian Airlines
Tue 2/186:40 amLHR - SAT
2 stops23h 04mScandinavian Airlines
Deal found 12/3$700
This Virgin Atlantic deal was found by Cheapflights users on 12/4. 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.
Tue 12/315:25 amSAT - LHR
1 stop19h 25mVirgin Atlantic
Tue 1/78:05 pmLHR - SAT
1 stop21h 30mVirgin Atlantic
Deal found 12/4$817
This Delta deal was found by Cheapflights users on 12/4. 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 12/245:25 amSAT - LHR
1 stop19h 25mDelta
Tue 1/78:05 pmLHR - SAT
1 stop21h 30mDelta
Deal found 12/4$1,027
This Mytrip deal was found by Cheapflights users on 12/4. 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.
Sun 12/87:37 pmSAT - LHR
3 stops33h 13mMultiple Airlines
Tue 12/101:40 pmLHR - SAT
3 stops34h 52mMultiple Airlines
Deal found 12/4$1,148
This KLM deal was found by Cheapflights users on 12/4. 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.
Wed 12/1811:50 amSAT - LHR
1 stop13h 15mKLM
Wed 12/2512:30 pmLHR - SAT
1 stop16h 08mKLM
Deal found 12/4$1,221
This United Airlines deal was found by Cheapflights users on 12/4. 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.
Wed 12/182:13 pmSAT - LHR
1 stop11h 17mUnited Airlines
Wed 12/2512:05 pmLHR - SAT
2 stops16h 55mUnited Airlines
Deal found 12/4$1,226
This Iberia deal was found by Cheapflights users on 12/4. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/152:34 pmSAT - LHR
2 stops15h 41mIberia
Sun 1/121:50 pmLHR - SAT
1 stop13h 15mIberia
Deal found 12/4$1,435
This CheapOair deal was found by Cheapflights users on 12/5. 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 12/245:30 amSAT - LHR
2 stops21h 00mAir Canada
Tue 1/711:10 amLHR - SAT
2 stops27h 37mAir Canada
Deal found 12/5$1,483
This Cheapflightsfares deal was found by Cheapflights users on 12/3. 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.
Sun 12/81:42 pmSAT - LHR
1 stop12h 33mBritish Airways
Tue 2/189:25 amLHR - SAT
1 stop13h 59mBritish Airways
Deal found 12/3$1,625
This oojo deal was found by Cheapflights users on 12/5. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/87:18 amSAT - LHR
2 stops25h 37mTurkish Airlines
Sun 12/227:55 pmLHR - SAT
2 stops33h 05mTurkish Airlines
Deal found 12/5$1,696
This Gurufare deal was found by Cheapflights users on 12/3. 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.
Sat 12/71:20 pmSAT - LHR
1 stop14h 20mLufthansa
Mon 12/912:45 pmLHR - SAT
1 stop14h 33mLufthansa
Deal found 12/3$2,522
This Cheapflightsfares deal was found by Cheapflights users on 12/4. 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 12/116:00 amSAT - LHR
2 stops22h 15mAer Lingus
Sun 12/2211:15 amLHR - SAT
2 stops18h 44mAer Lingus
Deal found 12/4$3,534

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 2,924,186 searches. Data last updated December 5, 2024.

Fly from

Any airport

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-9:54 pm

2 stops21h 14m

$621

San AntonioLondon

SAT - LHR

SATLHR

San Antonio

Mon 1/13

5:45 am-9:40 pm

3 stops33h 55m

London Heathrow

Mon 1/27

6:40 am-4:33 am

3 stops27h 53m

$715

San AntonioLondon

SAT - LHR

SATLHR

San Antonio

Tue 2/11

4:34 pm-12:05 pm

1 stop13h 31m

London Heathrow

Thu 2/20

1:50 pm-8:54 pm

1 stop13h 04m

$724

San AntonioLondon

SAT - LHR

SATLHR

San Antonio

Tue 2/11

2:36 pm-12:05 pm

1 stop15h 29m

London Heathrow

Thu 2/20

11:25 am-12:07 am

2 stops18h 42m

$735

San AntonioLondon

SAT - LHR

SATLHR

San Antonio

Sat 3/15

7:10 pm-6:40 am

2 stops30h 30m

London Heathrow

Thu 3/27

7:30 am-11:15 pm

2 stops20h 45m

$743

San AntonioLondon

SAT - LHR

SATLHR

San Antonio

Tue 3/4

12:18 pm-8:30 am

2 stops14h 12m

London Heathrow

Fri 3/14

2:30 pm-3:47 pm

2 stops30h 17m

$744

San AntonioLondon

SAT - LHR

SATLHR

San Antonio

Wed 1/29

2:36 pm-12:05 pm

1 stop15h 29m

London Heathrow

Tue 4/1

10:30 am-5:47 pm

1 stop13h 17m

$745

San AntonioLondon

SAT - LHR

SATLHR

San Antonio

Mon 1/27

4:40 pm-11:40 am

1 stop13h 00m

London Heathrow

Wed 4/2

11:30 am-10:47 pm

2 stops17h 17m

$747

San AntonioLondon

SAT - LHR

SATLHR

San Antonio

Sun 2/2

6:31 pm-11:40 am

1 stop11h 09m

London Heathrow

Sun 4/6

8:10 pm-11:40 am

1 stop21h 30m

$770

San AntonioLondon

SAT - LHR

SATLHR

San Antonio

Mon 1/13

5:59 pm-11:40 am

1 stop11h 41m

London Heathrow

Mon 1/27

12:20 pm-10:59 pm

1 stop16h 39m

$776

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/3

Showing 1-10 of 22 results
1
2
3

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 December.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy3 starsTrust Score*2 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 22, 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.