What is the cheapest airline that flies from Sacramento Intl to London?

United Airlines, British Airways, and Lufthansa are the most popular carriers operating from Sacramento Intl to London

Which airlines fly to London?

United Airlines, Virgin Atlantic and British Airways are the top three most popular airlines that fly to London from Sacramento according to our data. United Airlines is the first choice among our users, with 35% of people opting to fly with this airline when travelling to London. Keep in mind that there are 7 different airlines that fly to London on a routine basis, so you have a few additional options to choose from.

When did momondo last update prices for flights from Sacramento Intl Airport to London?

Prices for flights from Sacramento Intl Airport to London are refreshed on a daily basis.

How many operators does momondo search for flights from Sacramento Intl Airport to London?

The number of operators available for flights from Sacramento Intl Airport to London is 1 as of January 2026.

How old do you have to be to fly from Sacramento Intl Airport to London?

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Sacramento Intl Airport to London.

What documentation or ID do you need to fly to London?

The required travel and health documents for your London trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at London. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

£163 Cheap Flights from Sacramento to London in 2026

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Find the cheapest flights from Sacramento to London

Round-trip

One-way

Last minute

Cheap return flights

Enter your travel dates to find the best prices.

12:30 - 11:50

SMF

LHR

15h 20m

1 stop

14:30 - 11:52

LHR

SMF

29h 22m

1 stop

£421Air Canada

Sun, 1 Feb - Tue, 17 Feb

06:00 - 08:35

SMF

LHR

18h 35m

1 stop

20:50 - 19:50

LHR

SMF

30h 00m

2 stops

£430Iberia

Tue, 3 Mar - Tue, 10 Mar

13:00 - 13:20

SMF

LHR

16h 20m

1 stop

09:00 - 23:00

LHR

SMF

22h 00m

2 stops

£430Lufthansa

Tue, 21 Apr - Tue, 5 May

13:00 - 13:20

SMF

LHR

16h 20m

1 stop

07:25 - 20:42

LHR

SMF

21h 17m

2 stops

£431Lufthansa

Sun, 19 Apr - Thu, 7 May

12:30 - 11:50

SMF

LHR

15h 20m

1 stop

14:30 - 22:15

LHR

SMF

39h 45m

2 stops

£432Air Canada

Wed, 11 Feb - Wed, 25 Feb

16:11 - 09:40

SMF

LHR

33h 29m

1 stop

14:30 - 11:52

LHR

SMF

28h 22m

1 stop

£436United Airlines

Tue, 3 Mar - Tue, 17 Mar

08:18 - 12:25

SMF

LGW

20h 07m

2 stops

16:10 - 19:50

LGW

SMF

34h 40m

2 stops

£439British Airways

Tue, 3 Mar - Tue, 10 Mar

06:00 - 09:00

SMF

LGW

19h 00m

2 stops

12:30 - 10:41

LGW

SMF

30h 11m

2 stops

£471American Airlines

Sun, 1 Feb - Sat, 28 Feb

06:00 - 09:00

SMF

LGW

19h 00m

2 stops

12:30 - 13:19

LGW

SMF

32h 49m

2 stops

£472American Airlines

Sun, 1 Feb - Sat, 28 Feb

14:10 - 12:05

SMF

LGW

37h 55m

2 stops

21:40 - 20:01

LGW

SMF

30h 21m

2 stops

£523British Airways

Sat, 14 Feb - Sun, 22 Feb

Lufthansa flights from Sacramento to London

Our best Lufthansa deals on Sacramento to London flight tickets

Lufthansa

21 Apr

SMF13:00Sacramento Intl

16h 20m

1 stop

LHR13:20London Heathrow

5 May

LHR09:00London Heathrow

22h 00m

2 stops

SMF23:00Sacramento Intl

£430

Lufthansa

19 Apr

SMF13:00Sacramento Intl

16h 20m

1 stop

LHR13:20London Heathrow

7 May

LHR07:25London Heathrow

21h 17m

2 stops

SMF20:42Sacramento Intl

£431

Lufthansa

21 Apr

SMF13:00Sacramento Intl

16h 20m

1 stop

LHR13:20London Heathrow

14 May

LHR15:00London Heathrow

16h 00m

1 stop

SMF23:00Sacramento Intl

£433

United Airlines flights from Sacramento to London

Our best United Airlines deals on Sacramento to London flight tickets

United Airlines

3 Mar

SMF16:11Sacramento Intl

33h 29m

1 stop

LHR09:40London Heathrow

10 Mar

LHR14:30London Heathrow

28h 22m

1 stop

SMF11:52Sacramento Intl

£436

United Airlines

9 May

SMF16:00Sacramento Intl

33h 40m

1 stop

LHR09:40London Heathrow

21 May

LHR15:00London Heathrow

32h 20m

1 stop

SMF15:20Sacramento Intl

£448

United Airlines

25 Feb

SMF13:07Sacramento Intl

12h 33m

1 stop

LHR09:40London Heathrow

1 Mar

LHR09:00London Heathrow

18h 41m

2 stops

SMF19:41Sacramento Intl

£450

Fly from

Fly to

Route

Depart

Return

Price

SacramentoLondon

SMF - LHR

SMFLHR

Sacramento Intl

Sun 1/2

12:30-11:50

1 stop15h 20m

London Heathrow

Tue 17/2

14:30-11:52

1 stop29h 22m

£421

SacramentoLondon

SMF - LHR

SMFLHR

Sacramento Intl

Tue 3/3

06:00-08:35

1 stop18h 35m

London Heathrow

Tue 10/3

20:50-19:50

2 stops30h 00m

£430

SacramentoLondon

SMF - LHR

SMFLHR

Sacramento Intl

Tue 21/4

13:00-13:20

1 stop16h 20m

London Heathrow

Tue 5/5

09:00-23:00

2 stops22h 00m

£430

SacramentoLondon

SMF - LHR

SMFLHR

Sacramento Intl

Sun 19/4

13:00-13:20

1 stop16h 20m

London Heathrow

Thu 7/5

07:25-20:42

2 stops21h 17m

£431

SacramentoLondon

SMF - LHR

SMFLHR

Sacramento Intl

Wed 11/2

12:30-11:50

1 stop15h 20m

London Heathrow

Wed 25/2

14:30-22:15

2 stops39h 45m

£432

SacramentoLondon

SMF - LHR

SMFLHR

Sacramento Intl

Tue 3/3

16:11-09:40

1 stop33h 29m

London Heathrow

Tue 17/3

14:30-11:52

1 stop28h 22m

£436

SacramentoLondon

SMF - LGW

SMFLGW

Sacramento Intl

Tue 3/3

08:18-12:25

2 stops20h 07m

London Gatwick

Tue 10/3

16:10-19:50

2 stops34h 40m

£439

SacramentoLondon

SMF - LGW

SMFLGW

Sacramento Intl

Sun 1/2

06:00-09:00

2 stops19h 00m

London Gatwick

Sat 28/2

12:30-10:41

2 stops30h 11m

£471

SacramentoLondon

SMF - LGW

SMFLGW

Sacramento Intl

Sun 1/2

06:00-09:00

2 stops19h 00m

London Gatwick

Sat 28/2

12:30-13:19

2 stops32h 49m

£472

SacramentoLondon

SMF - LGW

SMFLGW

Sacramento Intl

Sat 14/2

14:10-12:05

2 stops37h 55m

London Gatwick

Sun 22/2

21:40-20:01

2 stops30h 21m

£523

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Sacramento to London

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

What is the cheapest month to fly to London?

The cheapest month to fly to London from Sacramento is in February. Flight prices, which tend to average around £562, are often lower during this time because this is during the off-season. The month of December is another great option to travel to London, with average flight prices from Sacramento averaging around £576.

What is the cheapest day to depart on your flight to London?

Our data shows that Wednesday is the least expensive day to fly to London. Tickets to fly out on this day can be as low as £498. When flying out on a Friday, the most expensive travel day of the week, you can expect to see flight prices from Sacramento to London for around £646.

What is the cheapest time of day to depart on your flight to London?

The cheapest time of day to fly to London is in the morning when flights can be purchased for as low as £548. Flights at midday are often more expensive, with an average ticket price of £799.

How far in advance should I book a flight to London?

You are more likely to see cheaper flights to London from Sacramento when booking weeks ahead of your departure date. In general, you can expect to find flights to London for around £703 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to London from Sacramento for as low as £616 on momondo.

How have Sacramento to London flight prices changed over time?

When to book flights from Sacramento to London

Are you open to changing your travel dates? Check out the ideal times to fly from Sacramento to London according to our flight data. Find out which month and days have the cheapest flights.

Estimated return price

Cheap Sacramento to London (SMF to LON) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Sacramento to London

Fastest flight time	12h 35m
Direct flights	None

The fastest flight from Sacramento to London takes 12h 35m

There are no direct flights from Sacramento to London. There are no popular flight routes from Sacramento to London.

Search flight deals

How far is Sacramento Intl to London by plane?
The distance between Sacramento Intl and London is about 5276.7 mi. Typically, this will take 12h 35m by plane in normal conditions.
When did momondo last update prices for flights from Sacramento Intl Airport to London?
Prices for flights from Sacramento Intl Airport to London are refreshed on a daily basis.
How many operators does momondo search for flights from Sacramento Intl Airport to London?
The number of operators available for flights from Sacramento Intl Airport to London is 1 as of January 2026.
How old do you have to be to fly from Sacramento Intl Airport to London?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Sacramento Intl Airport to London.
What documentation or ID do you need to fly to London?
The required travel and health documents for your London trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at London. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Best airlines flying from Sacramento to London

Compare and see reviews for airlines that fly from Sacramento to London with momondo

Airline	Rating	Free Cancellation	Price
Lufthansa	PriceFrom £427	Free Cancellation	Rating 6.8 7,738 reviews		Search Lufthansa flights

Eastbourne

Luton

Milton Keynes

Gatwick

Maidstone

Slough

Southend-on-Sea

Canterbury

Ipswich

Ilford

Guildford

Chelmsford

Hayes

Dover

Bedford

Worthing

Ramsgate

Colchester

Folkestone

Winchester

Why use momondo?

Why should I use momondo to find a flight deal from Sacramento to London?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Sacramento to London. momondo saves you time and could save you money on your trip.

Can I find flights from Sacramento to London with flexible booking policies on momondo?

Flights from Sacramento to London with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from Sacramento to London?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to London from Sacramento.

I’m not ready to book a flight from Sacramento to London right now. Can momondo alert me if prices change?

If you are simply researching potential flights to London, momondo offers a useful price alert feature which will track prices for flights to London from Sacramento and alert you when they change.