$364 Cheap Flights from Sacramento (SMF) to London (LHR)

View $364 flight on Tue, May 5, 2026Opens in a new window

Popular airlines from Sacramento Intl. Airport (SMF) to Heathrow Airport (LHR)

Cheap Flights from Sacramento to London (SMF-LHR)

Prices were available within the past 7 days and start at $364 for one-way flights and $597 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Virgin Atlantic
Wed, Nov 12 - Wed, Dec 10
SMF
Sacramento
LHR
London
$597 Roundtrip, found 2 hours ago
$597
Roundtrip
found 2 hours ago
Select Virgin Atlantic flight, departing Wed, Nov 12 from Sacramento to London, returning Wed, Dec 10, priced at $597 found 2 hours ago
Delta
Mon, Nov 10 - Tue, Nov 25
SMF
Sacramento
LHR
London
$597 Roundtrip, found 4 hours ago
$597
Roundtrip
found 4 hours ago
Select Delta flight, departing Mon, Nov 10 from Sacramento to London, returning Tue, Nov 25, priced at $597 found 4 hours ago
Virgin Atlantic
Mon, Nov 17 - Wed, Nov 26
SMF
Sacramento
LHR
London
$599 Roundtrip, found 2 days ago
$599
Roundtrip
found 2 days ago
Select Virgin Atlantic flight, departing Mon, Nov 17 from Sacramento to London, returning Wed, Nov 26, priced at $599 found 2 days ago
Virgin Atlantic
Sun, Nov 23 - Thu, Dec 4
SMF
Sacramento
LHR
London
$602 Roundtrip, found 5 hours ago
$602
Roundtrip
found 5 hours ago
Select Virgin Atlantic flight, departing Sun, Nov 23 from Sacramento to London, returning Thu, Dec 4, priced at $602 found 5 hours ago
Scandinavian Airlines
Wed, Jan 14 - Wed, Jan 21
SMF
Sacramento
LHR
London
$611 Roundtrip, just found
$611
Roundtrip
just found
Select Scandinavian Airlines flight, departing Wed, Jan 14 from Sacramento to London, returning Wed, Jan 21, priced at $611 just found
Lufthansa
Wed, Nov 26 - Wed, Dec 3
SMF
Sacramento
LHR
London
$624 Roundtrip, found 4 hours ago
$624
Roundtrip
found 4 hours ago
Select Lufthansa flight, departing Wed, Nov 26 from Sacramento to London, returning Wed, Dec 3, priced at $624 found 4 hours ago
United
Wed, Jan 14 - Wed, Jan 21
SMF
Sacramento
LHR
London
$637 Roundtrip, just found
$637
Roundtrip
just found
Select United flight, departing Wed, Jan 14 from Sacramento to London, returning Wed, Jan 21, priced at $637 just found
Air Canada
Mon, Jan 19 - Tue, Jan 27
SMF
Sacramento
LHR
London
$640 Roundtrip, found 5 hours ago
$640
Roundtrip
found 5 hours ago
Select Air Canada flight, departing Mon, Jan 19 from Sacramento to London, returning Tue, Jan 27, priced at $640 found 5 hours ago
KLM
Wed, Dec 31 - Thu, Jan 15
SMF
Sacramento
LHR
London
$643 Roundtrip, found 13 hours ago
$643
Roundtrip
found 13 hours ago
Select KLM flight, departing Wed, Dec 31 from Sacramento to London, returning Thu, Jan 15, priced at $643 found 13 hours ago
Iberia
Wed, Nov 12 - Wed, Dec 10
SMF
Sacramento
LHR
London
$647 Roundtrip, found 2 hours ago
$647
Roundtrip
found 2 hours ago
Select Iberia flight, departing Wed, Nov 12 from Sacramento to London, returning Wed, Dec 10, priced at $647 found 2 hours ago

Find the cheapest month to fly from Sacramento (SMF) to London (LHR)

January is typically the cheapest month to fly

From $615 - $1,749 per traveler.

Alternative airports near London

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Gatwick LGW. Average driving time to city center is 52 minutes. Flights from $1,002
LGW
Gatwick
Average driving time to city center52 min
Flights from $1,002

Frequently asked questions

How much does a flight from Sacramento Intl. Airport (SMF) to Heathrow Airport (LHR) cost?
Snag a cheap one-way flight from $364 or cheap return flight from $597 from Sacramento Intl. Airport (SMF) to Heathrow Airport (LHR) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight deals on this route.
What is the cheapest month to fly from Sacramento Intl. Airport (SMF) to Heathrow Airport (LHR)?
November is the most affordable month to fly from SMF to LHR. Avoiding peak travel times is often the key to finding better deals on flights.
What is the cheapest airline that flies from Sacramento Intl. Airport (SMF) to Heathrow Airport (LHR)?
Expedia's filter tool lets you easily compare different airlines, travel time and fares all in one place. Choose your preferences, then sort by "Price (lowest to highest)" to find the carrier with the cheapest SMF to LHR flight.
How many flights per day from Sacramento Intl. Airport (SMF) to Heathrow Airport (LHR)?
There aren't any daily nonstop flights from Sacramento Intl. Airport (SMF) to Heathrow Airport (LHR). But you can opt for 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 LHR?
You'll generally 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 Heathrow Airport (LHR)?
To avoid possible delays on the Sacramento Intl. Airport (SMF) to Heathrow Airport (LHR) route, aim to travel before 3 PM. Later flights have a 22% higher chance of cancellation.**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 Heathrow Airport (LHR) last-minute?
Booking your flight from SMF to LHR shortly before your journey is generally more expensive. But if there's some wiggle room with your travel dates and times, you could land a cheap last-minute fare.
Is it cheaper to book a SMF to LHR flight and hotel package?
Booking a SMF to LHR flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your trip in one place. Choose from our wide range of hotels 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 Heathrow Airport (LHR)?
If you booked your SMF to LHR flight in the last 24 hours, you may be able to modify or cancel it at no cost. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal for more details.

Travel information

Origin airport
Sacramento Intl.
Destination airport
Heathrow
Airlines serving
Aer Lingus, Air Canada, Air France, Alaska Airlines, American Airlines, British Airways, Brussels Airlines, Delta, Finnair, Iberia, Icelandair, JetBlue Airways, KLM, Lufthansa, Scandinavian Airlines, Swiss International Air Lines, United, Virgin Atlantic
Roundtrip price
$597
Distance
5268 mi

Book with confidence

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 November. 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 $364 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.

 

Sacramento to London Flights

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*Available to One Key members.