What are the cheapest airlines to fly from San Antonio to United Kingdom one-way?

One-way options have recently been found by users for as low as $451 on Delta. Other airlines that offer cheap prices include Air Canada from $452 and Iberia from $453 one-way.

What are the most popular routes from San Antonio to United Kingdom?

Most travelers choose San Antonio - London Heathrow, San Antonio - London Gatwick or San Antonio - London City when deciding on the best route from San Antonio to United Kingdom.

What are the most popular airlines that fly from San Antonio to United Kingdom?

When booking a flight from San Antonio to United Kingdom, you may want to consider flying on American Airlines, British Airways or Delta as they are the most popular for this route.

How far in advance should I book a flight from San Antonio to United Kingdom?

Travelers have found it’s best to book a flight 35 days in advance to save up to 7% 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 35 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 United Kingdom 1-2 weeks in advance for as low as $687, or $958 for flights within the next 24 hours.

What is the cheapest month to fly from San Antonio to United Kingdom?

Our data shows that February tends to be the cheapest month to fly to United Kingdom from San Antonio. Users have commonly found prices around $952 for the month, but tickets can be as low as $623. Due to multiple factors, prepare for potentially higher prices in January.

What airport do you fly from for flights from San Antonio to United Kingdom?

If you book a flight to United Kingdom from San Antonio, you will be flying from San Antonio, which is the city’s only airport. San Antonio (SAT) is located 7.6 mi from the center of San Antonio.

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

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

How can I find direct flights from San Antonio to United Kingdom?

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

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

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

$774+ Flights from San Antonio to the United Kingdom

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Cheap flight deals from San Antonio to United Kingdom

Most accurate provider	FlightHub 3 stars
Most trusted provider	FlightHub 3 stars
Round-trip from	$692 (Delta)
One-way from	$310 (Kiwi.com)
Popular in	January
Cheapest in	February
Average price	$791

Provider with most accurate pricing for San Antonio-London (LON) flight deals.

Search Deals

Provider most trusted by Cheapflights users for San Antonio-London (LON) flights.

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From San Antonio to United Kingdom

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One-way flight from San Antonio to United Kingdom

Search Deals

Highest demand for flights based on searches. 10% potential increase in price ($116 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 March 2025

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Find flight deals from San Antonio to United Kingdom

Cheapest flights from San Antonio to United Kingdom
Explore the most affordable flight options available from San Antonio to United Kingdom. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 21, 2025.

Wed 5/1411:59 amSAT - LHR

1 stop17h 26mDelta

Wed 5/216:30 amLHR - SAT

2 stops16h 50mDelta

Deal found 3/20

$692

Mon 5/126:15 amSAT - LHR

1 stop19h 05mBritish Airways

Mon 6/28:00 pmLHR - SAT

2 stops33h 50mBritish Airways

Deal found 3/20

$693

Fri 9/1212:10 pmSAT - LHR

1 stop14h 40mAir France

Wed 9/2412:45 pmLHR - SAT

1 stop16h 04mAir France

Deal found 3/20

$697

Sun 8/1012:15 pmSAT - MAN

1 stop14h 20mDelta

Thu 9/182:15 pmMAN - SAT

2 stops25h 24mDelta

Deal found 3/21

$700

Mon 5/197:34 pmSAT - LHR

2 stops43h 41mIberia

Sat 5/318:20 amLHR - SAT

1 stop20h 42mIberia

Deal found 3/21

$701

Tue 4/2212:05 pmSAT - LHR

1 stop16h 35mUnited Airlines

Mon 5/510:50 amLHR - SAT

2 stops39h 44mUnited Airlines

Deal found 3/20

$702

Sat 4/56:06 pmSAT - LHR

2 stops30h 29mAir Canada

Fri 4/184:00 pmLHR - SAT

2 stops29h 33mAir Canada

Deal found 3/20

$703

Thu 5/18:29 pmSAT - STN

3 stops32h 11mMultiple Airlines

Sat 5/1011:40 amSTN - SAT

3 stops35h 28mMultiple Airlines

Deal found 3/20

$708

Sun 8/106:30 pmSAT - MAN

2 stops15h 35mBritish Airways

Thu 9/1810:50 amMAN - SAT

2 stops16h 54mBritish Airways

Deal found 3/21

$716

Tue 4/227:05 pmSAT - LHR

2 stops32h 55mMultiple Airlines

Mon 5/57:30 pmLHR - SAT

2 stops31h 36mMultiple Airlines

Deal found 3/20

$718

Tue 4/112:27 pmSAT - LHR

3 stops24h 23mScandinavian Airlines

Wed 4/166:40 amLHR - SAT

2 stops23h 50mScandinavian Airlines

Deal found 3/19

$724

Thu 4/102:28 pmSAT - LHR

1 stop12h 32mFinnair

Sun 4/206:10 pmLHR - SAT

2 stops30h 08mFinnair

Deal found 3/20

$728

Best flights from San Antonio to United Kingdom
Discover carefully curated flight deals from San Antonio to United Kingdom that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated March 21, 2025.

Wed 5/1411:59 amSAT - LHR

1 stop17h 26mDelta

Wed 5/216:30 amLHR - SAT

2 stops16h 50mDelta

Deal found 3/20

$692

Mon 5/126:15 amSAT - LHR

1 stop19h 05mBritish Airways

Mon 6/28:00 pmLHR - SAT

2 stops33h 50mBritish Airways

Deal found 3/20

$693

Fri 9/1212:10 pmSAT - LHR

1 stop14h 40mAir France

Wed 9/2412:45 pmLHR - SAT

1 stop16h 04mAir France

Deal found 3/20

$697

Mon 5/197:34 pmSAT - LHR

2 stops43h 41mIberia

Sat 5/318:20 amLHR - SAT

1 stop20h 42mIberia

Deal found 3/21

$701

Tue 4/2212:05 pmSAT - LHR

1 stop16h 35mUnited Airlines

Mon 5/510:50 amLHR - SAT

2 stops39h 44mUnited Airlines

Deal found 3/20

$702

Sat 4/56:06 pmSAT - LHR

2 stops30h 29mAir Canada

Fri 4/184:00 pmLHR - SAT

2 stops29h 33mAir Canada

Deal found 3/20

$703

Thu 5/18:29 pmSAT - STN

3 stops32h 11mMultiple Airlines

Sat 5/1011:40 amSTN - SAT

3 stops35h 28mMultiple Airlines

Deal found 3/20

$708

Tue 4/112:27 pmSAT - LHR

3 stops24h 23mScandinavian Airlines

Wed 4/166:40 amLHR - SAT

2 stops23h 50mScandinavian Airlines

Deal found 3/19

$724

Thu 4/102:28 pmSAT - LHR

1 stop12h 32mFinnair

Sun 4/206:10 pmLHR - SAT

2 stops30h 08mFinnair

Deal found 3/20

$728

Sat 4/192:11 pmSAT - MAN

2 stops21h 14mLufthansa

Sat 4/269:10 amMAN - SAT

2 stops17h 24mLufthansa

Deal found 3/20

$742

Mon 5/1211:59 amSAT - LBA

2 stops15h 31mKLM

Mon 6/96:20 amLBA - SAT

2 stops16h 47mKLM

Deal found 3/20

$762

Mon 8/1112:15 pmSAT - MAN

1 stop14h 20mVirgin Atlantic

Sat 9/2012:35 pmMAN - SAT

1 stop15h 50mVirgin Atlantic

Deal found 3/20

$820

Last-minute flights from San Antonio to United Kingdom
Discover last-minute flight deals from San Antonio to United Kingdom. Data last updated March 21, 2025 and is based on user searches.

Thu 3/2711:00 amSAT - LHR

1 stop20h 05mBritish Airways

Wed 4/26:30 amLHR - SAT

2 stops19h 09mBritish Airways

Deal found 3/20

$985

Thu 3/275:35 pmSAT - LHR

2 stops19h 55mScandinavian Airlines

Wed 4/26:40 amLHR - SAT

3 stops23h 01mScandinavian Airlines

Deal found 3/20

$1,041

Fri 3/287:00 amSAT - LHR

1 stop19h 55mDelta

Thu 4/109:55 amLHR - SAT

2 stops18h 09mDelta

Deal found 3/21

$994

Tue 4/112:27 pmSAT - LHR

3 stops24h 23mScandinavian Airlines

Wed 4/166:40 amLHR - SAT

2 stops23h 50mScandinavian Airlines

Deal found 3/19

$724

Sat 4/56:06 pmSAT - LHR

2 stops30h 29mAir Canada

Fri 4/184:00 pmLHR - SAT

2 stops29h 33mAir Canada

Deal found 3/20

$703

Sat 4/56:22 pmSAT - LHR

1 stop30h 03mBritish Airways

Fri 4/1812:00 pmLHR - SAT

1 stop13h 45mBritish Airways

Deal found 3/20

$712

Wed 4/92:29 pmSAT - LHR

2 stops17h 01mDelta

Wed 4/166:30 amLHR - SAT

2 stops16h 43mDelta

Deal found 3/20

$696

Thu 4/102:28 pmSAT - LHR

1 stop12h 32mFinnair

Sun 4/206:10 pmLHR - SAT

2 stops30h 08mFinnair

Deal found 3/20

$728

Thu 4/104:04 pmSAT - LHR

1 stop12h 26mIberia

Sat 4/1912:00 pmLHR - SAT

1 stop14h 50mIberia

Deal found 3/21

$740

Sat 4/192:11 pmSAT - MAN

2 stops21h 14mLufthansa

Sat 4/269:10 amMAN - SAT

2 stops17h 24mLufthansa

Deal found 3/20

$742

Tue 4/2212:05 pmSAT - LHR

1 stop16h 35mUnited Airlines

Mon 5/510:50 amLHR - SAT

2 stops39h 44mUnited Airlines

Deal found 3/20

$702

Tue 4/227:05 pmSAT - LHR

2 stops32h 55mMultiple Airlines

Mon 5/57:30 pmLHR - SAT

2 stops31h 36mMultiple Airlines

Deal found 3/20

$718

One-way flights from San Antonio to United Kingdom
Search for one-way flight options from San Antonio to United Kingdom. Find affordable one-way fares based on user searches. Data last updated March 21, 2025.

Thu 5/812:30 pmSAT - LHR

3 stops19h 45mMultiple Airlines

Deal found 3/20

$310

Tue 6/102:37 pmSAT - EDI

2 stops37h 28mMultiple Airlines

Deal found 3/20

$318

Sun 6/15:20 amSAT - LGW

3 stops45h 45mMultiple Airlines

Deal found 3/20

$440

Tue 4/157:00 amSAT - LHR

1 stop17h 45mDelta

Deal found 3/19

$451

Sat 4/192:11 pmSAT - LHR

2 stops34h 19mAir Canada

Deal found 3/20

$452

Sat 4/122:28 pmSAT - LHR

1 stop14h 22mIberia

Deal found 3/19

$453

Mon 4/146:06 pmSAT - LHR

1 stop31h 34mUnited Airlines

Deal found 3/19

$462

Sat 4/197:00 amSAT - STN

3 stops35h 20mMultiple Airlines

Deal found 3/20

$471

Sat 4/197:15 amSAT - LCY

2 stops24h 30mUnited Airlines

Deal found 3/20

$535

Fri 4/256:30 amSAT - BHX

2 stops20h 05mDelta

Deal found 3/20

$559

Sun 6/15:20 amSAT - LCY

3 stops27h 30mMultiple Airlines

Deal found 3/20

$672

Tue 7/16:00 amSAT - LHR

2 stops20h 00mAer Lingus

Deal found 3/21

$703

Cheapflights Fare Finder

Use the filters below to find and compare flights from San Antonio to the United Kingdom that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

San AntonioLondon

SAT - LHR

SATLHR

San Antonio

Wed 5/14

11:59 am-11:25 am

1 stop17h 26m

London Heathrow

Wed 5/21

6:30 am-5:20 pm

2 stops16h 50m

$692

San AntonioLondon

SAT - LHR

SATLHR

San Antonio

Mon 5/12

6:15 am-7:20 am

1 stop19h 05m

London Heathrow

Mon 6/2

8:00 pm-11:50 pm

2 stops33h 50m

$693

San AntonioLondon

SAT - LHR

SATLHR

San Antonio

Fri 9/12

12:10 pm-8:50 am

1 stop14h 40m

London Heathrow

Wed 9/24

12:45 pm-10:49 pm

1 stop16h 04m

$697

San AntonioManchester

SAT - MAN

SATMAN

San Antonio

Sun 8/10

12:15 pm-8:35 am

1 stop14h 20m

Manchester

Thu 9/18

2:15 pm-9:39 am

2 stops25h 24m

$700

San AntonioLondon

SAT - LHR

SATLHR

San Antonio

Mon 5/19

7:34 pm-9:15 pm

2 stops43h 41m

London Heathrow

Sat 5/31

8:20 am-11:02 pm

1 stop20h 42m

$701

San AntonioLondon

SAT - LHR

SATLHR

San Antonio

Tue 4/22

12:05 pm-10:40 am

1 stop16h 35m

London Heathrow

Mon 5/5

10:50 am-8:34 pm

2 stops39h 44m

$702

San AntonioLondon

SAT - LHR

SATLHR

San Antonio

Sat 4/5

6:06 pm-6:35 am

2 stops30h 29m

London Heathrow

Fri 4/18

4:00 pm-3:33 pm

2 stops29h 33m

$703

San AntonioLondon

SAT - STN

SATSTN

San Antonio

Thu 5/1

8:29 pm-10:40 am

3 stops32h 11m

London Stansted

Sat 5/10

11:40 am-5:08 pm

3 stops35h 28m

$708

San AntonioManchester

SAT - MAN

SATMAN

San Antonio

Sun 8/10

6:30 pm-4:05 pm

2 stops15h 35m

Manchester

Thu 9/18

10:50 am-9:44 pm

2 stops16h 54m

$716

San AntonioLondon

SAT - LHR

SATLHR

San Antonio

Tue 4/22

7:05 pm-10:00 am

2 stops32h 55m

London Heathrow

Mon 5/5

7:30 pm-9:06 pm

2 stops31h 36m

$718

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/20

Showing 1-10 of 56 results

...

Best time to book a flight from San Antonio to United Kingdom

Have a flexible travel schedule? Discover the best time to fly to United Kingdom 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.

Cheapflights Insights

Everything you need to know about your flight from San Antonio to the United Kingdom

What is the cheapest month to book a flight from San Antonio to United Kingdom?

Currently, November is the cheapest month in which you can book a flight from San Antonio to United Kingdom (average of $661). Flying from San Antonio to United Kingdom in June is currently the most expensive (average of $1,122). 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 GB?

When flying from San Antonio to United Kingdom, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Rainfall in United Kingdom by month

In terms of precipitation, rainfall in United Kingdom 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 United Kingdom when rainfall is around 1.6 in.

Temperature in United Kingdom by month

If weather is an important factor for your trip to United Kingdom, 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 United Kingdom

Read reviews from past customers who have flown Delta, KLM and Finnair from San Antonio to United Kingdom. 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

7,895 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

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

Delta

8.0

Very good

7,895 reviews

Delta

8.0

Very good

7,895 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

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

KLM

7.8

Good

1,319 reviews

Delta

8.0

Very good

7,895 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

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

Finnair

7.6

Good

1,266 reviews

Delta

8.0

Very good

7,895 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

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

Air France

7.4

Good

1,422 reviews

Delta

8.0

Very good

7,895 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

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

United Airlines

7.4

Good

8,605 reviews

Delta

8.0

Very good

7,895 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

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

Related info for your journey

What airport do you fly from for flights from San Antonio to United Kingdom?
If you book a flight to United Kingdom from San Antonio, you will be flying from San Antonio, which is the city’s only airport. San Antonio (SAT) is located 7.6 mi from the center of San Antonio.
What are the cheapest airlines to fly from San Antonio to United Kingdom one-way?
One-way options have recently been found by users for as low as $451 on Delta. Other airlines that offer cheap prices include Air Canada from $452 and Iberia from $453 one-way.
What are the most popular routes from San Antonio to United Kingdom?
Most travelers choose San Antonio - London Heathrow, San Antonio - London Gatwick or San Antonio - London City when deciding on the best route from San Antonio to United Kingdom.
Can I find deals for flights from San Antonio to United Kingdom that include hotel bookings?
Yes. In addition to deals on San Antonio to United Kingdom flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from San Antonio to United Kingdom?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from San Antonio to United Kingdom.
Can I find deals for business class flights from San Antonio to United Kingdom?
Yes. Cheapflights offers flight deals from San Antonio to United Kingdom 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 United Kingdom?
Currently, November is the cheapest month in which you can book a flight from San Antonio to United Kingdom (average of $661). Flying from San Antonio to United Kingdom in June is currently the most expensive (average of $1,122). 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

Browse thousands of different options on Cheapflights for your next trip

Top 7 airlines flying from San Antonio to United Kingdom

Airline	Cheapest	Average	Flexibility	On-time
British Airways	Cheapest$646	Average$956	FlexibilityNo cancel fee	On-time70%
Delta	Cheapest$650	Average$1,091	FlexibilityNo cancel fee	On-timeN/A
American Airlines	Cheapest$652	Average$1,125	FlexibilityNo cancel fee	On-time71%
United Airlines	Cheapest$663	Average$1,036	FlexibilityNo cancel fee	On-time69%
Iberia	Cheapest$675	Average$893	FlexibilityNo cancel fee	On-time77%
Virgin Atlantic	Cheapest$694	Average$1,029	FlexibilityNo cancel fee	On-time72%
KLM	Cheapest$803	Average$1,345	FlexibilityNo cancel fee	On-time75%

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$310+ Cheap flights from San Antonio (SAT) to the United Kingdom

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 5/8. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from San Antonio to United Kingdom with Cheapflights

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2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from San Antonio to United Kingdom

Keep the following information in mind while searching for San Antonio to United Kingdom flight deals. Data was last updated March 21, 2025.

Most accurate provider

Most trusted provider

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find flight deals from San Antonio to United Kingdom

Cheapest flights from San Antonio to United KingdomExplore the most affordable flight options available from San Antonio to United Kingdom. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 21, 2025.

Explore the most affordable flight options available from San Antonio to United Kingdom. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 21, 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from San Antonio to the United Kingdom that are best for you.

Best time to book a flight from San Antonio to United Kingdom

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

Cheapflights Insights

Everything you need to know about your flight from San Antonio to the United Kingdom

What is the cheapest month to book a flight from San Antonio to United Kingdom?

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

Find hourly flight availability from San Antonio to United Kingdom. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated March 21, 2025.

Rainfall in United Kingdom by month

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

Temperature in United Kingdom by month

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

Reviews of airlines servicing United Kingdom

Read reviews from past customers who have flown Delta, KLM and Finnair from San Antonio to United Kingdom. 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 San Antonio to United Kingdom. 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 United Kingdom?

What are the cheapest airlines to fly from San Antonio to United Kingdom one-way?

What are the most popular routes from San Antonio to United Kingdom?

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

How can I find direct flights from San Antonio to United Kingdom?

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

What is the cheapest month to book a flight from San Antonio to United Kingdom?

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 San Antonio to United Kingdom

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

Top 7 airlines flying from San Antonio to United Kingdom

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Cheapest flights from San Antonio to United Kingdom
Explore the most affordable flight options available from San Antonio to United Kingdom. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 21, 2025.