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Cheap flights from Sacramento to London from £241

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 31/8. Fares are subject to change and may not be available on all flights or dates of travel.
SMF — LON
9 Jun — 16 Jun1
1 adult
1 adult, Economy, 0 bags

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 10 May 2026.

Mon 28/1216:05
SMF
-
LHR
2 stops31h 05m
Multiple Airlines
Tue 12/106:35
LHR
-
SMF
2 stops40h 47m
Multiple Airlines
Deal found 5/5£635
Wed 5/819:03
SMF
-
LHR
2 stops17h 42m
Lufthansa
Wed 19/806:55
LHR
-
SMF
2 stops24h 00m
Lufthansa
Deal found 5/5£639
Mon 10/805:31
SMF
-
LHR
1 stop19h 29m
Iberia
Wed 26/811:30
LHR
-
SMF
2 stops19h 39m
Iberia
Deal found 5/5£640
Wed 5/812:13
SMF
-
LHR
1 stop17h 02m
Delta
Wed 19/806:30
LHR
-
SMF
2 stops20h 29m
Delta
Deal found 5/5£642
Sat 5/923:07
SMF
-
LHR
2 stops23h 23m
Multiple Airlines
Fri 11/907:25
LHR
-
SMF
2 stops24h 31m
Multiple Airlines
Deal found 5/5£645
Wed 5/805:00
SMF
-
LHR
1 stop23h 35m
United Airlines
Wed 19/815:05
LHR
-
SMF
1 stop34h 18m
United Airlines
Deal found 5/5£648
Tue 15/913:00
SMF
-
LHR
2 stops21h 30m
Scandinavian Airlines
Tue 29/907:05
LHR
-
SMF
3 stops20h 23m
Scandinavian Airlines
Deal found 6/5£650
Tue 25/807:00
SMF
-
LHR
2 stops26h 50m
SWISS
Mon 7/912:10
LHR
-
SMF
2 stops42h 12m
SWISS
Deal found 5/5£651
Tue 17/1114:15
SMF
-
LGW
2 stops17h 30m
Delta
Fri 27/1110:00
LGW
-
SMF
2 stops19h 52m
Delta
Deal found 6/5£651
Mon 24/806:30
SMF
-
LHR
2 stops16h 05m
Multiple Airlines
Mon 14/920:25
LHR
-
SMF
2 stops32h 47m
Multiple Airlines
Deal found 5/5£657
Wed 18/1106:45
SMF
-
LHR
2 stops21h 05m
Air Canada
Fri 11/1213:00
LHR
-
SMF
2 stops34h 22m
Air Canada
Deal found 9/5£659
Wed 5/807:00
SMF
-
LHR
1 stop19h 50m
British Airways
Wed 19/812:55
LHR
-
SMF
1 stop15h 36m
British Airways
Deal found 8/5£660

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 10 May 2026.

Round-trip from

£639

One-way from

£241

Popular in

June

Cheapest in

March

Average price

£691
Lufthansa
  • Lufthansa
  • 5/8-19/8
  • 4 total stops
  • 41h 42m total
  • Sacramento to London
Search Deals
Air Canada
  • Air Canada
  • 31/8
  • 2 total stops
  • 33h 50m total
  • Sacramento to London
Search Deals
Highest demand for flights based on searches. 20% potential increase in price (£121 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease (£25 potential savings vs. average return price).
Search Deals
Average for round-trip flights in May 2026
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 10 May 2026.
Use the filters below to find and compare flights from Sacramento to London that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

SacramentoLondon

SMF - LHR

SMFLHR

Sacramento Intl

Fri 16/10

13:10-07:55

1 stop34h 45m

London Heathrow

Tue 3/11

14:30-15:22

1 stop32h 52m

£685

SacramentoLondon

SMF - LHR

SMFLHR

Sacramento Intl

Tue 28/7

06:15-13:05

1 stop22h 50m

London Heathrow

Wed 19/8

06:30-20:16

2 stops21h 46m

£687
Fastest return journey

SacramentoLondon

SMF - LHR

SMFLHR

Sacramento Intl

Sun 23/8

16:14-12:35

1 stop12h 21m

London Heathrow

Sat 5/9

11:25-17:34

1 stop14h 09m

£700

SacramentoLondon

SMF - LHR

SMFLHR

Sacramento Intl

Tue 28/7

06:30-07:15

1 stop16h 45m

London Heathrow

Thu 20/8

11:15-18:58

1 stop15h 43m

£708

SacramentoLondon

SMF - LHR

SMFLHR

Sacramento Intl

Tue 28/7

12:10-13:15

1 stop17h 05m

London Heathrow

Tue 18/8

09:55-22:37

2 stops20h 42m

£708

SacramentoLondon

SMF - LHR

SMFLHR

Sacramento Intl

Tue 28/7

17:27-15:35

1 stop14h 08m

London Heathrow

Fri 14/8

08:40-20:16

2 stops19h 36m

£708

SacramentoLondon

SMF - LCY

SMFLCY

Sacramento Intl

Sun 23/8

07:00-12:35

2 stops21h 35m

London City

Tue 8/9

09:15-22:22

2 stops21h 07m

£723

SacramentoLondon

SMF - LHR

SMFLHR

Sacramento Intl

Tue 28/7

12:10-13:15

1 stop17h 05m

London Heathrow

Tue 18/8

14:30-23:06

1 stop16h 36m

£730

SacramentoLondon

SMF - LHR

SMFLHR

Sacramento Intl

Fri 21/8

13:00-12:25

1 stop15h 25m

London Heathrow

Sun 23/8

15:05-17:23

1 stop34h 18m

£730

SacramentoLondon

SMF - LHR

SMFLHR

Sacramento Intl

Tue 18/8

11:21-18:30

2 stops23h 09m

London Heathrow

Tue 25/8

07:05-23:06

3 stops24h 01m

£739

Flights are sorted by cheapest return flights first.

Deals found on 9/5

Showing 1-10 of 60 resultsSorted by cheapest first
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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?

To ensure you get the cheapest price possible for a flight from Sacramento to London, you should look to book at least 6 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, July is the cheapest month in which you can book a flight from Sacramento to London (average of £147). Flying from Sacramento to London in June is currently the most expensive (average of £645). 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.

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 64% 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.

Salt Lake City (SLC) is the most affordable one-stop option, with an average return flight price of £434.

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 05m.

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 £723, United Airlines can have you in London from Sacramento in 21h 35m. There are 5278 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 £420, was found to be the cheapest airline from Sacramento to London.. Lufthansa is currently priced 33% 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, July is the cheapest month in which you can book a flight from Sacramento to London (average of £147). Flying from Sacramento to London in June is currently the most expensive (average of £645). 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
Milton Keynes
Hounslow
Croydon
Wembley
Luton
Gatwick
Ilford
Slough
Hayes
Brentford
Colchester
Romford
Watford
Kingston upon Thames
Eastbourne
Ipswich
Southend-on-Sea
Guildford
Chelmsford
Southall

Browse thousands of different options on Cheapflights for your next trip

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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 10 May 2026.
AirlineCheapestAverageFlexibilityOn-time
LufthansaCheapest£420Average£460FlexibilityNo 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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