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Cheap flights from Sacramento to London Heathrow Airport from £169

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 9/11. Fares are subject to change and may not be available on all flights or dates of travel.
SMF — LHR
27 Jul — 3 Aug1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Sacramento to Heathrow

Enter your travel dates to find the best prices.

Cheapest flights from Sacramento to Heathrow
Explore the most affordable flight options available from Sacramento to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 27 June 2026.

Tue 10/1114:22
SMF
-
LHR
1 stop13h 58m
Alaska Airlines
Tue 1/1214:45
LHR
-
SMF
1 stop34h 53m
Alaska Airlines
Deal found 26/6£688
Tue 10/1113:05
SMF
-
LHR
2 stops19h 45m
Lufthansa
Tue 1/1206:30
LHR
-
SMF
2 stops16h 51m
Lufthansa
Deal found 26/6£689
Mon 3/822:55
SMF
-
LHR
1 stop13h 50m
JetBlue
Tue 1/908:15
LHR
-
SMF
1 stop21h 44m
JetBlue
Deal found 26/6£690
Mon 23/1106:30
SMF
-
LHR
2 stops21h 20m
Air Canada
Tue 1/1214:30
LHR
-
SMF
2 stops32h 23m
Air Canada
Deal found 26/6£691
Sun 22/1113:19
SMF
-
LHR
1 stop34h 21m
Multiple Airlines
Tue 1/1213:25
LHR
-
SMF
2 stops33h 56m
Multiple Airlines
Deal found 26/6£691
Tue 22/907:00
SMF
-
LHR
2 stops20h 50m
Air Canada
Wed 30/915:05
LHR
-
SMF
2 stops38h 37m
Air Canada
Deal found 27/6£693
Thu 22/1018:00
SMF
-
LHR
2 stops33h 50m
Multiple Airlines
Tue 3/1109:00
LHR
-
SMF
2 stops19h 22m
Multiple Airlines
Deal found 27/6£694
Mon 23/1114:56
SMF
-
LHR
1 stop13h 24m
Alaska Airlines
Wed 2/1214:45
LHR
-
SMF
1 stop15h 08m
Alaska Airlines
Deal found 26/6£695
Mon 28/906:10
SMF
-
LHR
1 stop22h 55m
Delta
Mon 12/1009:55
LHR
-
SMF
2 stops19h 57m
Delta
Deal found 26/6£697
Wed 5/819:03
SMF
-
LHR
2 stops16h 37m
Lufthansa
Wed 19/806:55
LHR
-
SMF
2 stops22h 05m
Lufthansa
Deal found 26/6£698

Find flight deals from Sacramento to Heathrow

Discover tips and strategies to find the most affordable flight options for your journey from Sacramento (SMF) to Heathrow (LHR). 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 27 June 2026.

Round-trip from

£688

One-way from

£169

Popular in

June

Cheapest in

March

Average price

£1,055
Alaska Airlines
  • Alaska Airlines
  • 10/11-1/12
  • 2 total stops
  • 48h 51m total
  • Sacramento to London
Search Deals
Alaska Airlines
  • Alaska Airlines
  • 9/11
  • 1 total stop
  • 33h 30m total
  • Sacramento to London
Search Deals
Highest demand for flights based on searches. 17% potential increase in price (£112 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease (£26 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 Heathrow 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 27 June 2026.
Use the filters below to find and compare flights from Sacramento to London Heathrow Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

SacramentoLondon

SMF - LHR

SMFLHR

Sacramento Intl

Tue 28/7

06:30-06:25

1 stop15h 55m

London Heathrow

Wed 12/8

08:40-19:40

2 stops19h 00m

£727

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

£744

SacramentoLondon

SMF - LHR

SMFLHR

Sacramento Intl

Wed 9/9

06:30-14:10

1 stop23h 40m

London Heathrow

Mon 14/9

10:15-17:21

2 stops39h 06m

£748
Fastest return journey

SacramentoLondon

SMF - LHR

SMFLHR

Sacramento Intl

Wed 29/7

16:19-12:35

1 stop12h 16m

London Heathrow

Wed 12/8

14:50-22:00

1 stop15h 10m

£750

SacramentoLondon

SMF - LHR

SMFLHR

Sacramento Intl

Sun 23/8

13:50-15:35

1 stop17h 45m

London Heathrow

Sat 6/2

08:55-22:55

1 stop22h 00m

£758

SacramentoLondon

SMF - LHR

SMFLHR

Sacramento Intl

Sun 16/8

11:21-18:30

2 stops23h 09m

London Heathrow

Tue 25/8

07:05-22:40

3 stops23h 35m

£766

SacramentoLondon

SMF - LHR

SMFLHR

Sacramento Intl

Fri 31/7

23:08-20:45

1 stop13h 37m

London Heathrow

Thu 13/8

11:55-21:59

1 stop18h 04m

£786

SacramentoLondon

SMF - LHR

SMFLHR

Sacramento Intl

Tue 18/8

11:28-16:25

3 stops20h 57m

London Heathrow

Tue 25/8

06:40-22:40

2 stops24h 00m

£788

SacramentoLondon

SMF - LHR

SMFLHR

Sacramento Intl

Tue 11/8

11:00-10:55

1 stop15h 55m

London Heathrow

Mon 17/8

08:55-18:08

1 stop17h 13m

£794

SacramentoLondon

SMF - LHR

SMFLHR

Sacramento Intl

Thu 20/8

12:16-13:15

1 stop16h 59m

London Heathrow

Sat 6/2

15:50-18:38

1 stop34h 48m

£796

Flights are sorted by cheapest return flights first.

Deals found on 24/6

Showing 1-10 of 22 resultsSorted by cheapest first
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Best time to book a flight from Sacramento to Heathrow

Have a flexible travel schedule? Discover the best time to fly to Heathrow 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 Heathrow Airport

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

Booking 31 days in advance of your planned departure date is, on average, the best time to get cheap flights from Sacramento to London Heathrow Airport. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

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

Currently, March is the cheapest month in which you can book a flight from Sacramento to London Heathrow Airport (average of £515). Flying from Sacramento to London Heathrow Airport in June is currently the most expensive (average of £1,055). 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 Heathrow Airport?

Related info for your journey

Find useful and relevant information for your journey from Sacramento to Heathrow. 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 Heathrow?

    Most people fly from Sacramento Intl (SMF) if they book a flight from Sacramento to London Heathrow. On average, Sacramento Intl has 0 outbound flights to London Heathrow per day from 0 airlines. Sacramento Intl is conveniently located just 9.4 mi from Sacramento’s city center.

  • How long is the flight from Sacramento to London Heathrow Airport?

    A quick flight from Sacramento to London Heathrow Airport can take about 12h 16m. Delta provides one of the quickest options available for as low as £750. The distance between Sacramento and London Heathrow Airport is about 5265 mi. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

  • Can I find deals for flights from Sacramento to Heathrow that include hotel bookings?

    Yes. In addition to deals on Sacramento to Heathrow flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Sacramento to Heathrow?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Sacramento to Heathrow.

  • Can I find deals for business class flights from Sacramento to Heathrow?

    Yes. Cheapflights offers flight deals from Sacramento to Heathrow 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 Heathrow Airport?

    Currently, March is the cheapest month in which you can book a flight from Sacramento to London Heathrow Airport (average of £515). Flying from Sacramento to London Heathrow Airport in June is currently the most expensive (average of £1,055). 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 Heathrow Airport?

Book flights to London Heathrow Airport if you plan to visit one of these locations
Hounslow
Milton Keynes
Wembley
Luton
Gatwick
Croydon
Ilford
Slough
Hayes
Brentford
Colchester
Northampton
Kingston upon Thames
Swindon
Eastbourne
Watford
Poole
Southall
Romford
Ipswich

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When you search for this flight from Sacramento to Heathrow, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

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

Cheapflights helps you find that perfect flight to Heathrow from Sacramento by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

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

Cheapflights does show flights with no change fees to all users. To see these options for flights from Sacramento to Heathrow, users can toggle the no change fees filter when performing a flight search.

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

Yes, Cheapflights offers price alerts on Sacramento to Heathrow flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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