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Cheap flights from Sacramento to London from £210

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 3/10. Fares are subject to change and may not be available on all flights or dates of travel.
SMF — LON
20 Jul — 27 Jul1
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 20 June 2026.

Tue 1/917:28
SMF
-
LHR
1 stop14h 07m
Delta
Tue 8/912:25
LHR
-
SMF
1 stop16h 14m
Delta
Deal found 15/6£728
Mon 3/807:00
SMF
-
LCY
2 stops21h 35m
SWISS
Tue 1/919:15
LCY
-
SMF
2 stops31h 03m
SWISS
Deal found 16/6£729
Tue 18/811:00
SMF
-
LHR
1 stop15h 55m
British Airways
Mon 24/820:00
LHR
-
SMF
2 stops35h 10m
British Airways
Deal found 16/6£730
Tue 28/706:15
SMF
-
LHR
2 stops18h 35m
Delta
Wed 12/806:30
LHR
-
SMF
2 stops18h 18m
Delta
Deal found 15/6£731
Tue 4/818:00
SMF
-
LHR
2 stops30h 35m
Air Canada
Fri 14/809:30
LHR
-
SMF
2 stops35h 47m
Air Canada
Deal found 18/6£732
Fri 9/1014:00
SMF
-
LHR
2 stops39h 20m
Multiple Airlines
Sat 24/1006:00
LHR
-
SMF
2 stops24h 46m
Multiple Airlines
Deal found 16/6£733
Wed 12/814:23
SMF
-
LHR
2 stops18h 17m
Lufthansa
Mon 7/920:25
LHR
-
SMF
2 stops32h 35m
Lufthansa
Deal found 17/6£734
Tue 1/908:50
SMF
-
LGW
2 stops26h 00m
Multiple Airlines
Tue 27/1009:55
LGW
-
SMF
2 stops18h 49m
Multiple Airlines
Deal found 14/6£734
Tue 18/811:00
SMF
-
LHR
1 stop19h 25m
Multiple Airlines
Mon 24/820:00
LHR
-
SMF
2 stops35h 10m
Multiple Airlines
Deal found 15/6£734
Tue 4/813:00
SMF
-
LHR
1 stop12h 40m
United Airlines
Fri 14/809:30
LHR
-
SMF
2 stops35h 47m
United Airlines
Deal found 18/6£735
Sun 26/718:00
SMF
-
LHR
2 stops28h 30m
Air Canada
Wed 12/817:40
LHR
-
SMF
2 stops33h 58m
Air Canada
Deal found 17/6£736
Thu 26/1107:00
SMF
-
LHR
1 stop16h 50m
Delta
Sun 6/1206:30
LHR
-
SMF
2 stops20h 08m
Delta
Deal found 18/6£737

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 20 June 2026.

Round-trip from

£728

One-way from

£210

Popular in

June

Cheapest in

March

Average price

£1,060
United Airlines
  • United Airlines
  • 5/8-19/8
  • 2 total stops
  • 29h 59m total
  • Sacramento to London
Search Deals
3/10
  • 3/10
  • 3 total stops
  • 28h 56m 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 (£28 potential savings vs. average return price).
Search Deals
Average for round-trip flights in June 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 20 June 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
Fastest return journey

SacramentoLondon

SMF - LHR

SMFLHR

Sacramento Intl

Wed 5/8

10:50-09:40

1 stop14h 50m

London Heathrow

Wed 19/8

13:05-20:14

1 stop15h 09m

£728

SacramentoLondon

SMF - LCY

SMFLCY

Sacramento Intl

Mon 3/8

07:00-12:35

2 stops21h 35m

London City

Tue 1/9

19:15-18:18

2 stops31h 03m

£729

SacramentoLondon

SMF - LCY

SMFLCY

Sacramento Intl

Wed 19/8

09:20-12:35

2 stops19h 15m

London City

Wed 26/8

19:15-18:18

2 stops31h 03m

£729

SacramentoLondon

SMF - LCY

SMFLCY

Sacramento Intl

Mon 3/8

07:00-12:35

2 stops21h 35m

London City

Wed 19/8

09:15-20:14

2 stops18h 59m

£729

SacramentoLondon

SMF - LGW

SMFLGW

Sacramento Intl

Wed 14/10

11:09-18:45

2 stops23h 36m

London Gatwick

Wed 21/10

10:20-21:44

2 stops19h 24m

£734

SacramentoLondon

SMF - LGW

SMFLGW

Sacramento Intl

Tue 1/9

08:50-18:50

2 stops26h 00m

London Gatwick

Tue 27/10

09:55-21:44

2 stops18h 49m

£734

SacramentoLondon

SMF - LHR

SMFLHR

Sacramento Intl

Fri 27/11

06:15-12:20

1 stop22h 05m

London Heathrow

Sat 5/12

14:45-21:53

1 stop15h 08m

£737

SacramentoLondon

SMF - LHR

SMFLHR

Sacramento Intl

Fri 9/10

14:15-17:35

1 stop19h 20m

London Heathrow

Sat 17/10

06:30-16:02

2 stops17h 32m

£737

SacramentoLondon

SMF - LHR

SMFLHR

Sacramento Intl

Thu 8/10

11:09-15:05

1 stop19h 56m

London Heathrow

Sun 18/10

17:00-23:50

1 stop14h 50m

£745

SacramentoLondon

SMF - LHR

SMFLHR

Sacramento Intl

Fri 9/10

11:09-15:05

1 stop19h 56m

London Heathrow

Sun 18/10

17:00-23:50

1 stop14h 50m

£745

Flights are sorted by cheapest return flights first.

Deals found on 14/6

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, July is the cheapest month in which you can book a flight from Sacramento to London (average of £152). Flying from Sacramento to London in June is currently the most expensive (average of £616). 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 56% 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 £448.

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.

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 £728, United Airlines can have you in London from Sacramento in 14h 50m. 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, July is the cheapest month in which you can book a flight from Sacramento to London (average of £152). Flying from Sacramento to London in June is currently the most expensive (average of £616). 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

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