$688+ Cheap flights from San Antonio (SAT) to London, ON (YXU)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/19. Fares are subject to change and may not be available on all flights or dates of travel.
SAT — YXU
Nov 6 — Nov 131
Round-trip
1 adult, Economy
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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
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Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from San Antonio to London
Cheapest
Best
Last-minute
Cheapest flights from San Antonio to LondonExplore the most affordable flight options available from San Antonio to London. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 7, 2026.
Explore the most affordable flight options available from San Antonio to London. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 7, 2026.
This Mytrip deal was found by Cheapflights users on 10/5. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/198:20 pm -
3 stops32h 15m
Thu 11/2610:00 am -
2 stops34h 33m
Deal found 10/5![Multiple Airlines logo]()
$688
This Mytrip deal was found by Cheapflights users on 10/7. 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.
Sat 11/211:31 pm -
3 stops27h 14m
Sat 11/286:40 am -
3 stops39h 36m
Deal found 10/7![Multiple Airlines logo]()
$802
This Air Canada deal was found by Cheapflights users on 10/7. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/216:40 am -
2 stops12h 47m
Sat 11/289:05 pm -
2 stops19h 33m
Deal found 10/7![Air Canada logo]()
$915
This Air Canada deal was found by Cheapflights users on 10/3. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/135:30 am -
2 stops13h 10m
Thu 10/156:20 pm -
2 stops18h 51m
Deal found 10/3![Air Canada logo]()
$1,114
Best flights from San Antonio to LondonDiscover carefully curated flight deals from San Antonio to London that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 7, 2026.
Discover carefully curated flight deals from San Antonio to London that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 7, 2026.
This Mytrip deal was found by Cheapflights users on 10/5. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/198:20 pm -
3 stops32h 15m
Thu 11/2610:00 am -
2 stops34h 33m
Deal found 10/5![Multiple Airlines logo]()
$688
This Mytrip deal was found by Cheapflights users on 10/7. 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.
Sat 11/211:31 pm -
3 stops27h 14m
Sat 11/286:40 am -
3 stops39h 36m
Deal found 10/7![Multiple Airlines logo]()
$802
Last-minute flights from San Antonio to LondonDiscover last-minute flight deals from San Antonio to London. Data last updated October 7, 2026 and is based on user searches.
Discover last-minute flight deals from San Antonio to London. Data last updated October 7, 2026 and is based on user searches.
This Air Canada deal was found by Cheapflights users on 10/3. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/135:30 am -
2 stops13h 10m
Thu 10/156:20 pm -
2 stops18h 51m
Deal found 10/3![Air Canada logo]()
$1,114
This Mytrip deal was found by Cheapflights users on 10/5. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/198:20 pm -
3 stops32h 15m
Thu 11/2610:00 am -
2 stops34h 33m
Deal found 10/5![Multiple Airlines logo]()
$688
This Mytrip deal was found by Cheapflights users on 10/7. 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.
Sat 11/211:31 pm -
3 stops27h 14m
Sat 11/286:40 am -
3 stops39h 36m
Deal found 10/7![Multiple Airlines logo]()
$802
This Air Canada deal was found by Cheapflights users on 10/7. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/216:40 am -
2 stops12h 47m
Sat 11/289:05 pm -
2 stops19h 33m
Deal found 10/7![Air Canada logo]()
$915
Find flight deals from San Antonio to London
Discover tips and strategies to find the most affordable flight options for your journey from San Antonio (SAT) to London (YXU). 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 October 7, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $688 (Mytrip) |
Cheapflights Fare Finder
Customize your flight search to find flights from San Antonio to London 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 7,457,451 searches. Data last updated October 7, 2026.
Use the filters below to find and compare flights from San Antonio to London that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
Quickest round-trip
San AntonioLondon
SAT San Antonio - YXU London
SATYXU
San Antonio
Thu 11/19
8:20 pm-5:35 am
3 stops32h 15m
London
Thu 11/26
10:00 am-7:33 pm
2 stops34h 33m
$688
San AntonioLondon
SAT San Antonio - YXU London
SATYXU
San Antonio
Sat 11/21
1:31 pm-5:45 pm
3 stops27h 14m
London
Sat 11/28
6:40 am-9:16 pm
3 stops39h 36m
$802
Sorted by cheapest first
- Most accurate provider: When it comes to deals on San Antonio-London, Ontario 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, Ontario flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from San Antonio-London, Ontario flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on San Antonio-London, Ontario 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, Ontario 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 London
Have a flexible travel schedule? Discover the best time to fly to London from San Antonio with our price prediction graph.
SAT-YXU
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.
Related info for your journey
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