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

A quick flight from Sacramento to London, Ontario can take about 19h 42m. Air Canada provides one of the quickest options available for as low as $847. The distance between Sacramento and London, Ontario is about 2112 mi.

In terms of precipitation, rainfall in London, Ontario ranges from 2.8 - 3.9 inches per month. January is typically the wettest month, when rainfall can reach 3.9 in. March is typically the driest time to visit London, Ontario when rainfall is around 2.8 in.

If weather is an important factor for your trip to London, Ontario, 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 68.0 F. Travelers looking to avoid the cold should look outside of February, when temperatures are typically at their lowest (around 21.2 F).

What is the cheapest time of day to fly from SMF to YXU?

When flying from Sacramento to London, Ontario, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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.

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.

$847+ Cheap Flights from Sacramento to London, ON

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Cheap flight deals from Sacramento to London

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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 September 12, 2026.

Mon 11/164:05 pm -

2 stops19h 42m

Thu 11/195:30 am -

2 stops12h 51m

Deal found 9/9

$847

Tue 9/82:14 pm -

2 stops12h 06m

Sat 9/126:10 am -

2 stops14h 52m

Deal found 9/7

$1,453

Mon 9/710:48 pm -

2 stops19h 52m

Sat 9/125:40 am -

2 stops17h 07m

Deal found 9/7

$1,562

Find flight deals from Sacramento to London

Most accurate provider	FlightHub 3 stars
Most trusted provider	FlightHub 3 stars
Round-trip from	$847 (Air Canada)

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SacramentoLondon

SMF Sacramento Intl - YXU London

SMFYXU

Sacramento Intl

Mon 11/16

4:05 pm-2:47 pm

2 stops19h 42m

London

Thu 11/19

5:30 am-3:21 pm

2 stops12h 51m

$847

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/7

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.

SMF-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

How long is the flight from Sacramento to London, Ontario?
A quick flight from Sacramento to London, Ontario can take about 19h 42m. Air Canada provides one of the quickest options available for as low as $847. 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.

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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 11/16. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Sacramento to London with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

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 September 12, 2026.

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 September 12, 2026.

Best flights from Sacramento to London
Discover carefully curated flight deals from Sacramento to London that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 12, 2026.

Discover carefully curated flight deals from Sacramento to London that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 12, 2026.

Find flight deals from Sacramento to London

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

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.

Related info for your journey

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

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

How can I find direct flights from Sacramento to London?

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

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 Sacramento to London

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

Complete your trip

Complete your trip to London by adding a car rental and/or hotel reservation to your travel itinerary.

Search flights from Sacramento to London by cabin class

Find flights from Sacramento to London, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Other flights to London

Explore flights to London departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on September 12, 2026.

Sacramento and London flights

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$847+ 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 11/16. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Sacramento to London with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from Sacramento to London

Cheapest flights from Sacramento to LondonExplore 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 September 12, 2026.

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 September 12, 2026.

Best flights from Sacramento to LondonDiscover carefully curated flight deals from Sacramento to London that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 12, 2026.

Discover carefully curated flight deals from Sacramento to London that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 12, 2026.

Find flight deals from Sacramento to London

Most accurate provider

Most trusted provider

Round-trip from

Cheapflights Fare Finder

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

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.

Related info for your journey

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

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

How can I find direct flights from Sacramento to London?

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

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 Sacramento to London

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

Complete your trip

Complete your trip to London by adding a car rental and/or hotel reservation to your travel itinerary.

Search flights from Sacramento to London by cabin class

Find flights from Sacramento to London, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Other flights to London

Explore flights to London departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on September 12, 2026.

Sacramento and London flights

Browse other Sacramento and London flight options. Last updated on September 12, 2026.

Popular flight searches

Check out other popular destinations found by fellow travelers in 2026

100% Free

Book with Flexibility

Travel Smart

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 September 12, 2026.

Best flights from Sacramento to London
Discover carefully curated flight deals from Sacramento to London that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 12, 2026.