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£243 Cheap Flights from Sacramento (SMF) to London (LHR)

View £243 flight on Mon, 27 Jul 2026Opens in a new window

Flight 1

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

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

Prices were available within the past 7 days and start at £243 for one-way flights and £645 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

KLM
Tue, 3 Nov - Thu, 12 Nov
SMF
Sacramento
LHR
London
£645 Return, found 2 hours ago
£645
Return
found 2 hours ago
Select KLM flight, departing Tue, 3 Nov from Sacramento to London, returning Thu, 12 Nov, priced at £645 found 2 hours ago
KLM
Sat, 24 Oct - Fri, 30 Oct
SMF
Sacramento
LHR
London
£647 Return, found 2 days ago
£647
Return
found 2 days ago
Select KLM flight, departing Sat, 24 Oct from Sacramento to London, returning Fri, 30 Oct, priced at £647 found 2 days ago
British Airways
Tue, 3 Nov - Thu, 12 Nov
SMF
Sacramento
LHR
London
£648 Return, found 2 hours ago
£648
Return
found 2 hours ago
Select British Airways flight, departing Tue, 3 Nov from Sacramento to London, returning Thu, 12 Nov, priced at £648 found 2 hours ago
British Airways
Sun, 15 Nov - Fri, 15 Jan
SMF
Sacramento
LHR
London
£649 Return, found 3 days ago
£649
Return
found 3 days ago
Select British Airways flight, departing Sun, 15 Nov from Sacramento to London, returning Fri, 15 Jan, priced at £649 found 3 days ago
Air France
Tue, 3 Nov - Thu, 12 Nov
SMF
Sacramento
LHR
London
£651 Return, found 2 hours ago
£651
Return
found 2 hours ago
Select Air France flight, departing Tue, 3 Nov from Sacramento to London, returning Thu, 12 Nov, priced at £651 found 2 hours ago
Air Canada
Sun, 1 Nov - Fri, 27 Nov
SMF
Sacramento
LHR
London
£651 Return, found 2 days ago
£651
Return
found 2 days ago
Select Air Canada flight, departing Sun, 1 Nov from Sacramento to London, returning Fri, 27 Nov, priced at £651 found 2 days ago
Alaska Airlines
Tue, 3 Nov - Thu, 12 Nov
SMF
Sacramento
LHR
London
£653 Return, found 2 hours ago
£653
Return
found 2 hours ago
Select Alaska Airlines flight, departing Tue, 3 Nov from Sacramento to London, returning Thu, 12 Nov, priced at £653 found 2 hours ago
Lufthansa
Tue, 3 Nov - Thu, 12 Nov
SMF
Sacramento
LHR
London
£663 Return, found 2 hours ago
£663
Return
found 2 hours ago
Select Lufthansa flight, departing Tue, 3 Nov from Sacramento to London, returning Thu, 12 Nov, priced at £663 found 2 hours ago
Iberia
Tue, 3 Nov - Thu, 12 Nov
SMF
Sacramento
LHR
London
£667 Return, found 2 hours ago
£667
Return
found 2 hours ago
Select Iberia flight, departing Tue, 3 Nov from Sacramento to London, returning Thu, 12 Nov, priced at £667 found 2 hours ago
Virgin Atlantic
Sat, 24 Oct - Fri, 30 Oct
SMF
Sacramento
LHR
London
£668 Return, found 2 days ago
£668
Return
found 2 days ago
Select Virgin Atlantic flight, departing Sat, 24 Oct from Sacramento to London, returning Fri, 30 Oct, priced at £668 found 2 days ago

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 centre is 52 minutes. Flights from £1,357
LGW
Gatwick
Average driving time to city centre52 min
Flights from £1,357
Select flight to London City LCY. Closest option available. Average driving time to city centre is 21 minutes. Flights from £1,196
LCY
London City
Closest
Average driving time to city centre21 min
Flights from £1,196

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

December is typically the cheapest month to fly

From £447 - £1,153 per traveller.

Frequently asked questions

How much does a flight from Sacramento, CA (SMF-Sacramento Intl.) to London (LHR-Heathrow) cost?
You can find cheap one-way flights from £243 and cheap return flights from £645 SMF to LHR with Expedia. One-way flights typically cost between £446 and £2599, and return flights often range between £521 and £3230. Flight prices vary based on the month and day of the week you want to travel, as well as the airline and how far in advance you book your ticket. Filter your search on Expedia by "Price (lowest to highest)" to see the cheapest fares first, and use the Price Tracking tool to receive alerts when SMF to LHR ticket fares go up or down.
What is the cheapest month to fly from Sacramento, CA (SMF-Sacramento Intl.) to London (LHR-Heathrow)?
The cheapest months to fly from SMF to LHR are typically during off-peak season when demand is low. Traveling in off-peak or shoulder months is usually a good way to secure cheap tickets, just remember to avoid flying during holidays if you are able to. Use the calendar view in your search to see which months have low fares on this route.
Which airlines fly direct from Sacramento, CA (SMF-Sacramento Intl.) to London (LHR-Heathrow)?
Enter SMF to LHR and your travel dates, then apply the 'Nonstop' filter to see only direct flights.
What is the cheapest airline that flies from Sacramento, CA (SMF-Sacramento Intl.) to London (LHR-Heathrow)?
Lufthansa is one of the cheapest airlines offering connecting return flights from Sacramento, CA (SMF-Sacramento Intl.) to London (LHR-Heathrow), with tickets starting from around £676 for flights that can be booked for departure within the next year. These prices are typically for economy/coach class per adult. Use Expedia's search tool to compare the prices and schedules of airlines that fly this route to find the best option for your plans and budget.
How do I find cheap flights from Sacramento, CA (SMF-Sacramento Intl.) to London (LHR-Heathrow)?
To find a cheap flight from Sacramento, CA (SMF-Sacramento Intl.) to London (LHR-Heathrow), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.
What is the best time to fly from Sacramento, CA (SMF-Sacramento Intl.) to London (LHR-Heathrow)?
The best time to fly is usually mid-week (Tuesday or Wednesday) and during early morning hours as flights tend to be cheaper, less crowded, and generally more on-time. Avoid major holidays and peak vacation seasons for smoother travel. Combining off-peak days and hours often gives the best combination of cost, comfort, and convenience.
How many flights per day from Sacramento, CA (SMF-Sacramento Intl.) to London (LHR-Heathrow)?
There are approximately 59 connecting flights per day from Sacramento International (SMF) to London Heathrow (LHR). Some common connection points include Seattle - Tacoma International (SEA), Los Angeles International (LAX), and O'Hare International (ORD).
What is the earliest flight from Sacramento, CA (SMF-Sacramento Intl.) to London (LHR-Heathrow)?
The earliest flight from Sacramento Intl. (SMF) to Heathrow (LHR) typically departs around 12:40 AM local time. This service is operated by American Airlines. This is a seasonal service, active only in December. An early departure like this can help you make the most of your time at your destination. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.
What day of the week has the most flights from Sacramento, CA (SMF-Sacramento Intl.) to London (LHR-Heathrow)?
You'll typically find the most flights from Sacramento, CA (SMF-Sacramento Intl.) to London (LHR-Heathrow) on a Wednesday, with around 68 flights available. This gives you a good selection of options for your travel plans. Major airlines on this route include Delta, United, and American Airlines. Flight schedules are fairly consistent throughout the week, with Wednesday offering only slightly more options than other days.
What are the most popular departure times for flights from Sacramento, CA (SMF-Sacramento Intl.) to London (LHR-Heathrow)?
The most popular departure times for flights from Sacramento, CA (SMF-Sacramento Intl.) to London (LHR-Heathrow) are between 12pm and 3pm. Many major carriers, including Delta, United and American Airlines, offer flights during this window. Many travellers prefer this time as it allows for a morning in Sacramento before heading to the airport, and you'll arrive in London in the morning, ready to start your day.
How long does it take to fly from Sacramento, CA (SMF-Sacramento Intl.) to London (LHR-Heathrow)?
There are no nonstop flights from Sacramento International Airport (SMF) to London Heathrow (LHR). For flights with one stop, you can expect the journey to take around 14 hours 48 minutes. Flights with two or more stops typically take a bit longer, averaging about 17 hours 18 minutes. The total distance covered on this route is approximately 8,480 kilometers. Keep in mind that these are average travel times, and your actual flight duration can vary depending on the specific routing, layover times, and even factors like wind patterns.
Can you fly business or first class from Sacramento, CA (SMF-Sacramento Intl.) to London (LHR-Heathrow)?
You can fly business class or first class between SMF and LHR. Airlines that offer business class service on this route include:
  • Skywest Air
  • Alaska Airlines
  • Air Canada
  • Delta
  • Finnair
  • United
  • American Airlines
First class cabins are available on Alaska Airlines and American Airlines.
How do I earn miles on a Sacramento, CA (SMF-Sacramento Intl.) to London (LHR-Heathrow) flight with Expedia?
It's easy to earn miles on a Sacramento, CA (SMF-Sacramento Intl.) to London (LHR-Heathrow) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia.*Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.
What airports do you fly into for London (LHR) from Sacramento, CA (SMF)?
If you're planning to travel to London from Sacramento Intl. (SMF), you can fly directly into Heathrow (LHR). Some flights may connect through major hubs like Los Angeles Intl. (LAX), Dallas-Fort Worth Intl. (DFW), or San Francisco Intl. (SFO) before reaching London. Compare routes and airports on Expedia to find the best flight options for your travel plans.
Is it cheaper to buy a plane ticket from Sacramento, CA (SMF-Sacramento Intl.) to London (LHR-Heathrow) at the last minute?
Typically, booking a last minute flight from Sacramento, CA (SMF-Sacramento Intl.) to London (LHR-Heathrow) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a Sacramento, CA (SMF-Sacramento Intl.) to London (LHR-Heathrow) flight and hotel package?
Securing a Sacramento, CA (SMF-Sacramento Intl.) to London (LHR-Heathrow) flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals 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, CA (SMF-Sacramento Intl.) to London (LHR-Heathrow)?
If you booked your Sacramento, CA (SMF-Sacramento Intl.) to London (LHR-Heathrow) flight within the last 24 hours, you may be able to modify or cancel it without any fees. 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 if you'd like more information.

Travel information

Origin airport
Sacramento Intl.
Destination airport
Heathrow
Airlines serving
Aer Lingus, Air Canada, Air France, Alaska Airlines, British Airways, Brussels Airlines, Finnair, Iberia, Icelandair, JetBlue Airways, KLM, Lufthansa, Virgin Atlantic
Return price
£645
Distance
8429 km

Book with confidence

Compare flights from Sacramento to London easily and book with confidence

For travelling on business or for pleasure, Expedia makes it easy to book your flights from Sacramento to London. Operating between them flights per day, 20 airlines cover the route. And fly direct, getting you to Heathrow in just hours. If you have a preferred carrier, use our advanced search tool to find the right flight from Sacramento Intl. to Heathrow.  

To make things even better, in the advanced search, you can also choose to fly economy, premium economy, business or first class, select your maximum number of stops, and pick your preferred departure and arrival time. You can also opt for refundable and direct flights. 

Grab a great deal on your flight from Sacramento Intl. (SMF) to Heathrow (LHR)

The easiest way to view the best deals on flights from Sacramento to London today is to enter your travel dates and hit search. From here, you can sort your results by price to see the cheapest flights first. Right now, return flights from Sacramento Intl. to Heathrow start at just £645 and range up to £668.  

To find an even better deal, try  

  • being flexible on your dates – midweek flights can be cheaper
  • looking for other airports near Sacramento and London
  • booking your flight during November, the cheapest month on this route
  • varying your flight times – early morning and late at night are sometimes cheaper 

Why you should book your Sacramento to London flight with Expedia!

We cater for all flight types, cabin classes and airlines. So whether you’re booking flights from Sacramento Intl. to Heathrow for a budget break or a business trip with a bit of pleasure thrown in, we make it easy to secure the seat that’s right for you.  

Thanks to our supersized inventory that offers great choice all in one place, you know you’ll get a great deal with Expedia. Especially if you bundle your flight together with your hotel, you will unlock amazing savings. For added peace of mind, you can choose flexible bookings or filter to find refundable options, so you won’t pay a fee to change your flight.  

Compare flights from Sacramento to London easily and book with confidence

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*Available to Expedia members.