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$656+ 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 3/2. Fares are subject to change and may not be available on all flights or dates of travel.
SMF — YXU
feb. 7 — feb. 141
sáb. 2/7
sáb. 2/14
1 adult, Economy
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Cheap 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 enero 8, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
1 star

Round-trip from

$656
(United Airlines)

Popular in

December

Cheapest in

March

Average price

$430
Provider with most accurate pricing for Sacramento Intl-London flight deals.
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Provider most trusted by Cheapflights users for Sacramento Intl-London flights.
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From Sacramento Intl to London
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Highest demand for flights based on searches. 26% potential increase in price ($136 potential increase over avg. RT price).
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Cheapest flight prices on average. 7% potential price decrease ($25 potential savings vs. average RT price).
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Average for round-trip flights in January 2026
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Find 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 enero 8, 2026.

This United Airlines deal was found by Cheapflights users on 1/7. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 3/21:49 pmSMF - YXU
2 stops15h 57mUnited Airlines
jue. 3/55:10 amYXU - SMF
2 stops18h 16mUnited Airlines
Deal found 1/7$656

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 enero 8, 2026.
Use the filters below to find and compare flights from Sacramento to London that are best for you.

Fly from

Sacramento

Fly to

London

Route

Depart

Return

Price

SacramentoLondon

SMF - YXU

SMFYXU

Sacramento Intl

lun. 3/2

6:42 am-8:46 am

2 stops23h 04m

London

jue. 3/5

5:10 am-8:26 pm

2 stops18h 16m

$656

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/6

  • 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.

Cheapflights Insights

Everything you need to know about your flight from Sacramento to London

What is the cheapest month to book a flight from Sacramento to London, Ontario?

Currently, February is the cheapest month in which you can book a flight from Sacramento to London, Ontario (average of $126). Flying from Sacramento to London, Ontario in December is currently the most expensive (average of $270). 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.

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 23h 04m. United Airlines provides one of the quickest options available for as low as $656. The distance between Sacramento and London, Ontario is about 2112 mi.

  • 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.

  • What is the cheapest month to book a flight from Sacramento to London, Ontario?

    Currently, February is the cheapest month in which you can book a flight from Sacramento to London, Ontario (average of $126). Flying from Sacramento to London, Ontario in December is currently the most expensive (average of $270). 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

Traveling to a place near London?

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Grand Bend

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