Cheap Flights from Sacramento (SMF) to London (LTN)

Popular airlines from Sacramento Intl. Airport (SMF) to Luton Airport (LTN)

Find available prices by choosing your travel dates.
Flights from Sacramento (SMF) to London (LTN)
Origin airport
Sacramento Intl.
Destination airport
Luton
Distance
5250 mi

Sacramento to London Flights

The cheapest times to fly from Sacramento to London

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Sacramento to London are during the month of . You can find some of the cheapest flights from Sacramento to London with Expedia's search tool and vast selection of airlines.

The best time to book a flight from Sacramento to London

Sunday is one of the best days to book for cheap flights from Sacramento to London: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

How to find cheap round-trip tickets from Sacramento to London

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Sacramento to London in 2025. You can also book with separate airlines for your outbound and return journeys, from one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Sacramento to London flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

You could also save big by booking one of Expedia's vacation packages. Bundling together your Sacramento to London airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

*Terms apply.

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

Frequently asked questions

How much does a flight from Sacramento Intl. Airport (SMF) to Luton Airport (LTN) cost?
Discover the latest flight deals from SMF to LTN by entering your preferred travel dates and searching on Expedia. Easily compare prices by departure date if you have flexibility with your schedule and use handy filters to explore prices for your preferred journey. As a member of One Key™, our free loyalty program, you can use Price Tracking to watch fares and receive notifications if prices go up or down.
What is the cheapest month to fly from SMF to LTN?
The cheapest flights from SMF to LTN are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
What is the cheapest airline that flies from SMF to LTN?
Use the filter tool on Expedia to compare airlines and find the cheapest carrier that’ll take you from SMF to LTN. Sort your results by “Price (lowest to highest)” to snap up a great deal.
How many flights per day from Sacramento Intl. Airport (SMF) to Luton Airport (LTN)?
There aren’t any daily direct flights departing from Sacramento Intl. Airport (SMF) to Luton Airport (LTN). But you can choose flights with layovers. Filter your search results on Expedia to include one or more stops, and you’ll be cruising above the clouds before you know it.
What day of the week has the most flights from SMF to LTN?
You’ll usually find Tuesday the quietest day for flights, while Fridays are often the busiest.* However this can vary from season to season and during peak travel times or public holidays.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Sacramento Intl. Airport (SMF) to Luton Airport (LTN)?
To reach Luton Airport (LTN) without delays, pick a flight that takes off from Sacramento Intl. Airport (SMF) before 3 PM. The chance of cancellations is 22% higher, on average, for departures after this time.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG’s global flight data platform.
Is it cheaper to buy a plane ticket from Sacramento Intl. Airport (SMF) to Luton Airport (LTN) last-minute?
Last-minute fares from SMF to LTN are typically more expensive. For the lowest prices, start looking for flights as soon as possible. That said, if you’re flexible with your travel plans, it’s possible to score a cheap ticket just before your departure.
Is it cheaper to book a SMF to LTN flight and hotel package?
Securing a SMF to LTN flight and hotel package is generally cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Choose from our extensive range of stays and then add car rentals, activities and flights to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Sacramento Intl. Airport (SMF) to Luton Airport (LTN)?
If you booked your SMF to LTN flight within the last 24 hours, you may be able to cancel or modify it without any fees. Depending on the airline and the ticket type you purchased, additional charges may apply for changes beyond that time. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you’d like more information.

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*Available to One Key members.