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Cheap flights from Sacramento to London from £167

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 15/4. Fares are subject to change and may not be available on all flights or dates of travel.
SMF — LON
2 Jan — 9 Jan1
1 adult
1 adult, Economy, 0 bags

Cheapflights Tip: The best prices from Sacramento Intl to London are usually found in October or February, booked 7 days in advance, depart on a Tuesday or Thursday and return on a Sunday

Cheap flight deals from Sacramento to London

Enter your travel dates to find the best prices.

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 3 December 2025.

Tue 9/1206:00SMF - LHR
2 stops17h 05mDelta
Wed 17/1211:20LHR - SMF
1 stop16h 18mDelta
Deal found 2/12£453
Thu 11/1208:45SMF - LHR
1 stop16h 55mLufthansa
Tue 20/106:35LHR - SMF
2 stops21h 01mLufthansa
Deal found 3/12£454
Thu 11/1210:35SMF - LHR
2 stops17h 15mMultiple Airlines
Tue 20/106:35LHR - SMF
2 stops37h 17mMultiple Airlines
Deal found 3/12£470
Tue 9/1216:02SMF - LHR
1 stop33h 38mUnited Airlines
Sat 17/114:30LHR - SMF
1 stop29h 22mUnited Airlines
Deal found 2/12£470
Tue 9/1207:16SMF - LHR
1 stop18h 44mIberia
Sat 17/106:15LHR - SMF
2 stops25h 15mIberia
Deal found 2/12£472
Tue 9/1206:10SMF - LHR
2 stops17h 00mAir Canada
Sat 17/113:25LHR - SMF
2 stops37h 16mAir Canada
Deal found 2/12£474
Tue 9/1213:06SMF - LHR
1 stop12h 34mLufthansa
Sat 17/113:45LHR - SMF
1 stop13h 54mLufthansa
Deal found 2/12£484
Wed 31/1206:00SMF - LHR
1 stop23h 30mUnited Airlines
Wed 7/113:25LHR - SMF
2 stops30h 30mUnited Airlines
Deal found 2/12£497
Thu 11/1213:06SMF - LHR
1 stop12h 34mUnited Airlines
Mon 15/1213:25LHR - SMF
2 stops40h 18mUnited Airlines
Deal found 2/12£510
Thu 11/1210:45SMF - LCY
2 stops22h 55mLufthansa
Tue 20/109:50LCY - SMF
2 stops17h 46mLufthansa
Deal found 3/12£565
Wed 31/1207:00SMF - LCY
2 stops18h 05mMultiple Airlines
Wed 7/117:40LCY - SMF
2 stops33h 01mMultiple Airlines
Deal found 1/12£624
Sun 7/1207:16SMF - LGW
2 stops19h 34mIberia
Sat 13/1219:40LGW - SMF
2 stops35h 34mIberia
Deal found 2/12£700

Find 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 (LON). 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 3 December 2025.

Round-trip from

£451

One-way from

£167

Popular in

June

Cheapest in

October

Average price

£901
Iberia
  • Iberia
  • 22/1-27/1
  • 3 total stops
  • 43h 24m total
  • Sacramento to London
Search Deals
British Airways
  • British Airways
  • 15/4
  • 1 total stop
  • 21h 59m total
  • Sacramento to London
Search Deals
Highest demand for flights based on searches. 19% potential increase in price (£127 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease (£22 potential savings vs. average return price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

Cheapflights Fare Finder

 
Customise 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 858,174 searches. Data last updated 3 December 2025.
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 - LHR

SMFLHR

Sacramento Intl

Sat 9/5

20:29-07:25

1 stop26h 56m

London Heathrow

Thu 21/5

17:40-20:45

1 stop35h 05m

£455

SacramentoLondon

SMF - LHR

SMFLHR

Sacramento Intl

Thu 29/1

14:25-12:00

1 stop13h 35m

London Heathrow

Sun 15/2

09:30-21:16

2 stops19h 46m

£455

SacramentoLondon

SMF - LHR

SMFLHR

Sacramento Intl

Thu 22/1

16:03-09:40

1 stop33h 37m

London Heathrow

Tue 27/1

14:30-11:52

1 stop29h 22m

£457

SacramentoLondon

SMF - LHR

SMFLHR

Sacramento Intl

Thu 12/3

11:17-16:00

3 stops21h 43m

London Heathrow

Tue 17/3

07:05-23:32

3 stops23h 27m

£457

SacramentoLondon

SMF - LHR

SMFLHR

Sacramento Intl

Wed 18/2

11:15-21:20

3 stops26h 05m

London Heathrow

Wed 25/2

07:05-23:26

3 stops24h 21m

£459

SacramentoLondon

SMF - LHR

SMFLHR

Sacramento Intl

Sat 9/5

16:05-11:50

2 stops35h 45m

London Heathrow

Thu 21/5

17:40-20:45

1 stop35h 05m

£460

SacramentoLondon

SMF - LHR

SMFLHR

Sacramento Intl

Tue 21/4

11:10-18:30

3 stops23h 20m

London Heathrow

Tue 5/5

06:40-22:13

2 stops23h 33m

£467

SacramentoLondon

SMF - LHR

SMFLHR

Sacramento Intl

Sat 21/3

12:30-10:10

2 stops38h 40m

London Heathrow

Thu 2/4

08:30-22:34

2 stops22h 04m

£468

SacramentoLondon

SMF - LHR

SMFLHR

Sacramento Intl

Sat 21/3

23:06-08:45

1 stop26h 39m

London Heathrow

Thu 2/4

10:50-19:16

1 stop16h 26m

£471

SacramentoLondon

SMF - LCY

SMFLCY

Sacramento Intl

Thu 22/1

07:05-07:15

2 stops16h 10m

London City

Mon 26/1

07:45-20:58

2 stops21h 13m

£498

Flights are sorted by cheapest return flights first.

Deals found on 2/12

Showing 1-10 of 60 results
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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 return 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

How far ahead should I book a flight from Sacramento to London?

Use this chart to determine the optimal time to book a return flight from Sacramento to London. Price data was last updated on 28 November 2025.

To ensure you get the cheapest price possible for a flight from Sacramento to London, you should look to book at least 7 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

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

Currently, December is the cheapest month in which you can book a flight from Sacramento to London (average of £346). Flying from Sacramento to London in June is currently the most expensive (average of £607). 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.

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

Find hourly flight availability from Sacramento to London. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 3 December 2025.

It’s optimal to fly from Sacramento to London in the evening. By choosing this option you can save up to 29% on the cost of your flight, compared to a flight in the morning.

How much does it cost for a return flight from Sacramento to London?

What’s the top stopover airport for flights from Sacramento to London?

Share of one-stop return flights from Sacramento to London chosen by Cheapflights users in the past 12 months, using the same stopover each way.

Denver (DEN) – chosen by Cheapflights users on 58% of one-stop itineraries from Sacramento to London on Cheapflights.

What’s the cheapest stopover airport for flights from Sacramento to London?

Average return fare for one-stop flights from Sacramento to London, chosen by Cheapflights users in the past 12 months, with the same stopover each way.

Chicago (ORD) is the most affordable one-stop option, with an average return flight price of £510.

What’s the fastest stopover option from Sacramento to London?

Shortest average travel time for one-stop one-way flights from Sacramento to London, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by stopover airport.

Flights via Denver (DEN) have the shortest average one-way travel time for one-stop routes: 12h 12m.

Which airport typically offers the quickest stopover for flights from Sacramento to London?

Average stopover duration for one-stop one-way flights from Sacramento to London, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.

Flights via Salt Lake City (SLC) offer the fastest connection on this route, with an average stopover time of 1h 12m.

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.

  • What airport do you fly from for flights from Sacramento to London?

    Sacramento Intl (SMF), located 9.4 mi from the city center, is the airport you fly out of when you book flights from Sacramento to London. 1 airline have flights from Sacramento Intl to London on a regular basis. Booking flights from Sacramento Intl to London should not be difficult; the airport handles an average of 0 outbound flights to London per day.

  • How long is the flight from Sacramento to London?

    For as low as £455, United Airlines can have you in London from Sacramento in 13h 35m. There are 5265 mi between Sacramento and London. This flight may include one or multiple stops.

  • What is the cheapest airline to fly from Sacramento to London round-trip?

    Lufthansa, at £431, was found to be the cheapest airline from Sacramento to London.. Lufthansa is currently priced 39% below the average price you’ll pay for this route.

  • What are the most popular routes from Sacramento to London?

    When deciding which route to take from Sacramento to London consider Sacramento Intl - London Heathrow, Sacramento Intl - London Gatwick or Sacramento Intl - London City as they are the most popular.

  • 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 holiday 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?

    Currently, December is the cheapest month in which you can book a flight from Sacramento to London (average of £346). Flying from Sacramento to London in June is currently the most expensive (average of £607). 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

Travelling to a place near London?

Book flights to London if you plan to visit one of these locations
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Croydon
Hounslow
Slough
Gatwick
Luton
Ilford
Wembley
Colchester
Brentford
Watford
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Crawley
Deal
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Bedford
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Guildford
Ipswich

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Alternative routes for Sacramento to London

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Top airline flying from Sacramento to London

Discover the top airline that operate flights from Sacramento to London. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 3 December 2025.
AirlineCheapestAverageFlexibilityOn-time
LufthansaCheapest£431Average£506FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Sacramento to London?

Cheapflights helps you search for flights from Sacramento to London via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

Why should you use Cheapflights to find cheap flight tickets from Sacramento to London?

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to London from Sacramento.

Can Cheapflights find flights from Sacramento to London with no change fees?

Users can book flights with no change fees policies with our dedicated filters. Book flights from Sacramento to London flexibly with Cheapflights today.

Can Cheapflights notify me if prices for flights from Sacramento to London become cheaper?

Not ready to book yet? You can track prices for flights from Sacramento to London on Cheapflights with our Price Alert feature and get notified when better prices are available.

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