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Cheap flights from Sacramento to London from £223

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 21/10. Fares are subject to change and may not be available on all flights or dates of travel.
SMF — LON
22 Aug — 29 Aug1
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 23 July 2026.

Tue 24/1110:04
SMF
-
LHR
1 stop18h 16m
Alaska Airlines
Fri 27/1114:45
LHR
-
SMF
1 stop17h 14m
Alaska Airlines
Deal found 19/7£663
Wed 2/1206:15
SMF
-
LHR
1 stop22h 05m
Alaska Airlines
Fri 4/1214:45
LHR
-
SMF
1 stop30h 43m
Alaska Airlines
Deal found 19/7£667
Wed 2/1205:25
SMF
-
LHR
2 stops17h 05m
Air Canada
Fri 4/1213:00
LHR
-
SMF
2 stops30h 56m
Air Canada
Deal found 18/7£668
Tue 6/1018:00
SMF
-
LHR
2 stops32h 00m
Multiple Airlines
Tue 20/1010:50
LHR
-
SMF
2 stops38h 31m
Multiple Airlines
Deal found 20/7£669
Wed 7/1020:17
SMF
-
LHR
1 stop13h 18m
Virgin Atlantic
Wed 14/1011:45
LHR
-
SMF
2 stops18h 47m
Virgin Atlantic
Deal found 19/7£674
Tue 10/1114:20
SMF
-
LHR
2 stops17h 30m
Lufthansa
Tue 1/1206:30
LHR
-
SMF
2 stops16h 51m
Lufthansa
Deal found 20/7£677
Tue 3/1108:00
SMF
-
LCY
2 stops20h 50m
SWISS
Fri 20/1109:15
LCY
-
SMF
2 stops19h 07m
SWISS
Deal found 18/7£677
Tue 6/1016:17
SMF
-
LHR
1 stop12h 08m
United Airlines
Tue 20/1006:50
LHR
-
SMF
2 stops21h 55m
United Airlines
Deal found 20/7£677
Wed 7/1010:12
SMF
-
LHR
2 stops19h 08m
Multiple Airlines
Wed 14/1006:30
LHR
-
SMF
2 stops18h 51m
Multiple Airlines
Deal found 19/7£678
Wed 2/1212:55
SMF
-
LHR
1 stop12h 45m
United Airlines
Fri 4/1211:35
LHR
-
SMF
2 stops17h 27m
United Airlines
Deal found 19/7£680
Wed 14/1006:00
SMF
-
LHR
2 stops16h 30m
Multiple Airlines
Thu 22/1020:05
LHR
-
SMF
2 stops34h 41m
Multiple Airlines
Deal found 19/7£680
Tue 10/1107:00
SMF
-
LHR
1 stop16h 50m
Delta
Tue 1/1206:30
LHR
-
SMF
2 stops19h 25m
Delta
Deal found 20/7£681

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 23 July 2026.

Round-trip from

£663

One-way from

£223

Popular in

June

Cheapest in

March

Average price

£739
Alaska Airlines
  • Alaska Airlines
  • 24/11-27/11
  • 2 total stops
  • 35h 30m total
  • Sacramento to London
Search Deals
21/10
  • 21/10
  • 2 total stops
  • 30h 45m total
  • Sacramento to London
Search Deals
Highest demand for flights based on searches. 20% potential increase in price (£126 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease (£27 potential savings vs. average return price).
Search Deals
Average for round-trip flights in July 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 23 July 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 - LCY

SMFLCY

Sacramento Intl

Tue 3/11

08:00-12:50

2 stops20h 50m

London City

Fri 20/11

09:15-20:22

2 stops19h 07m

£677

SacramentoLondon

SMF - LHR

SMFLHR

Sacramento Intl

Tue 6/10

18:52-17:35

1 stop14h 43m

London Heathrow

Thu 29/10

06:30-19:11

2 stops19h 41m

£677

SacramentoLondon

SMF - LHR

SMFLHR

Sacramento Intl

Wed 14/10

07:30-11:20

1 stop19h 50m

London Heathrow

Thu 22/10

06:30-16:57

2 stops18h 27m

£677

SacramentoLondon

SMF - LHR

SMFLHR

Sacramento Intl

Tue 6/10

06:00-14:10

1 stop24h 10m

London Heathrow

Thu 29/10

14:30-15:21

1 stop31h 51m

£682

SacramentoLondon

SMF - LHR

SMFLHR

Sacramento Intl

Mon 19/10

07:00-06:45

1 stop15h 45m

London Heathrow

Mon 26/10

11:05-21:52

2 stops41h 47m

£686

SacramentoLondon

SMF - LGW

SMFLGW

Sacramento Intl

Tue 6/10

14:17-16:00

2 stops17h 43m

London Gatwick

Thu 29/10

10:00-23:00

2 stops20h 00m

£686

SacramentoLondon

SMF - LHR

SMFLHR

Sacramento Intl

Sun 18/10

11:19-15:35

1 stop20h 16m

London Heathrow

Sat 31/10

06:30-20:47

2 stops21h 17m

£711

SacramentoLondon

SMF - LHR

SMFLHR

Sacramento Intl

Mon 19/10

06:00-14:10

1 stop24h 10m

London Heathrow

Mon 26/10

14:30-15:21

1 stop31h 51m

£719

SacramentoLondon

SMF - LCY

SMFLCY

Sacramento Intl

Tue 15/9

08:13-12:35

2 stops20h 22m

London City

Wed 23/9

09:15-22:46

2 stops21h 31m

£721

SacramentoLondon

SMF - LGW

SMFLGW

Sacramento Intl

Sun 13/12

06:15-09:00

2 stops18h 45m

London Gatwick

Mon 21/12

10:00-21:52

2 stops19h 52m

£726

Flights are sorted by cheapest return flights first.

Deals found on 18/7

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

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

Currently, March is the cheapest month in which you can book a flight from Sacramento to London (average of £493). Flying from Sacramento to London in June is currently the most expensive (average of £1,042). 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?

Airfare is typical for this route at the moment.
Sacramento to London flights typically cost between £484 and £868 in November.
The cheapest return price found within the last 5 days was £663 on Alaska Airlines (24 Nov–27 Nov).

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 57% 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 £443.

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 14m.

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.

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.

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. 0 airlines 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 £677, SWISS can have you in London from Sacramento in 14h 43m. There are 5265 mi between Sacramento and London. This flight may include one or multiple stops.

  • 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, March is the cheapest month in which you can book a flight from Sacramento to London (average of £493). Flying from Sacramento to London in June is currently the most expensive (average of £1,042). 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?

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

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