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$807+ Cheap flights from Sacramento (SMF) 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 12/1. Fares are subject to change and may not be available on all flights or dates of travel.
SMF — YXU
Aug 25 — Sep 11
Tue 8/25
Tue 9/1
1 adult, Economy
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Cheap flight deals from Sacramento to London

Cheapest flights from Sacramento to London
Explore the most affordable flight options available from Sacramento to London. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 26, 2026.

This United Airlines deal was found by Cheapflights users on 7/23. 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 12/110:25 am
SMF
-
YXU
2 stops25h 17m
United Airlines
Sat 12/55:30 am
YXU
-
SMF
2 stops18h 32m
United Airlines
Deal found 7/23$807
This Air Canada deal was found by Cheapflights users on 7/21. 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 12/14:05 pm
SMF
-
YXU
2 stops19h 37m
Air Canada
Sat 12/55:30 am
YXU
-
SMF
2 stops12h 51m
Air Canada
Deal found 7/21$926
This United Airlines deal was found by Cheapflights users on 7/25. 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 9/86:30 am
SMF
-
YXU
2 stops23h 50m
United Airlines
Tue 9/155:40 am
YXU
-
SMF
2 stops17h 07m
United Airlines
Deal found 7/25$962
This United Airlines deal was found by Cheapflights users on 7/23. 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.
Sun 9/68:13 am
SMF
-
YXU
2 stops10h 27m
United Airlines
Sun 9/135:40 am
YXU
-
SMF
2 stops17h 55m
United Airlines
Deal found 7/23$1,007

Find flight deals from Sacramento to London

Discover tips and strategies to find the most affordable flight options for your journey from Sacramento (SMF) 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 July 26, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$807
(United Airlines)
Provider with most accurate pricing for Sacramento Intl-London flight deals.
Search Deals
Provider most trusted by Cheapflights users for Sacramento Intl-London flights.
Search Deals
From Sacramento Intl to London
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Cheapflights Fare Finder

 
Customize your flight search to find flights from Sacramento 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 2,558,603 searches. Data last updated July 26, 2026.
Use the filters below to find and compare flights from Sacramento to London that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

SacramentoLondon

SMF - YXU

SMFYXU

Sacramento Intl

Tue 12/1

10:25 am-2:42 pm

2 stops25h 17m

London

Sat 12/5

5:30 am-9:02 pm

2 stops18h 32m

$807

SacramentoLondon

SMF - YXU

SMFYXU

Sacramento Intl

Tue 12/1

4:05 pm-2:42 pm

2 stops19h 37m

London

Sat 12/5

5:30 am-3:21 pm

2 stops12h 51m

$926

SacramentoLondon

SMF - YXU

SMFYXU

Sacramento Intl

Tue 9/8

6:30 am-9:20 am

2 stops23h 50m

London

Tue 9/15

5:40 am-7:47 pm

2 stops17h 07m

$962
Quickest round-trip

SacramentoLondon

SMF - YXU

SMFYXU

Sacramento Intl

Sun 9/6

8:13 am-9:40 pm

2 stops10h 27m

London

Sun 9/13

5:40 am-8:35 pm

2 stops17h 55m

$1,007

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/24

Sorted by cheapest first
  • Most accurate provider: When it comes to deals on Sacramento-London, Ontario flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Sacramento-London, Ontario flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Sacramento-London, Ontario flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Sacramento-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 Sacramento-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 Sacramento to London

Have a flexible travel schedule? Discover the best time to fly to London from Sacramento 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.

Related info for your journey

Find useful and relevant information for your journey from Sacramento to London. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Sacramento to London, Ontario?

    A quick flight from Sacramento to London, Ontario can take about 19h 37m. United Airlines provides one of the quickest options available for as low as $926. The distance between Sacramento and London, Ontario is about 2112 mi. This flight may include one or multiple stops.

  • Can I find deals for flights from Sacramento to London that include hotel bookings?

    Yes. In addition to deals on Sacramento to London flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Sacramento to London?

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

  • Can I find deals for business class flights from Sacramento to London?

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

See more FAQs

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