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Cheap flights from Sacramento to London Heathrow Airport 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 22/9. Fares are subject to change and may not be available on all flights or dates of travel.
SMF — LHR
11 Sep — 18 Sep1
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 12 August 2026.

Mon 28/1223:53 -
1 stop24h 02m
Tue 12/109:00 -
2 stops32h 25m
Deal found 11/8£649
Mon 23/1116:05 -
2 stops33h 15m
Wed 9/1214:30 -
2 stops32h 30m
Deal found 11/8£649
Wed 4/1112:01 -
2 stops15h 49m
Wed 11/1106:30 -
2 stops16h 51m
Deal found 11/8£652
Sun 20/923:35 -
1 stop13h 10m
Fri 25/908:15 -
1 stop21h 42m
Deal found 11/8£652
Tue 17/1112:01 -
1 stop35h 24m
Fri 27/1114:30 -
1 stop32h 51m
Deal found 11/8£653
Fri 11/923:35 -
1 stop13h 10m
Fri 25/911:55 -
1 stop18h 02m
Deal found 11/8£654
Thu 8/1023:10 -
1 stop13h 35m
Sun 18/1008:15 -
1 stop21h 39m
Deal found 11/8£656
Fri 11/923:35 -
1 stop13h 10m
Sat 19/908:15 -
1 stop21h 42m
Deal found 12/8£657
Mon 31/823:07 -
1 stop13h 38m
Mon 14/908:15 -
1 stop20h 25m
Deal found 8/8£657
Sat 7/1116:05 -
2 stops33h 15m
Tue 17/1114:30 -
1 stop32h 51m
Deal found 9/8£658
Wed 4/1111:29 -
1 stop14h 31m
Tue 10/1119:05 -
2 stops33h 13m
Deal found 9/8£661
Wed 11/1106:20 -
2 stops21h 30m
Tue 17/1114:30 -
1 stop32h 51m
Deal found 9/8£662

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 12 August 2026.

Round-trip from

£649

One-way from

£241

Popular in

June

Cheapest in

March

Average price

£713
Alaska Airlines
  • Alaska Airlines
  • 24/11-27/11
  • 2 total stops
  • 42h 37m total
  • Sacramento to London
Search Deals
British Airways
  • British Airways
  • 9/11
  • 1 total stop
  • 16h 41m total
  • Sacramento to London
Search Deals
Highest demand for flights based on searches. 14% potential increase in price (£90 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease (£23 potential savings vs. average return price).
Search Deals
Average for round-trip flights in August 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 12 August 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 Sacramento Intl - LHR London Heathrow

SMFLHR

Sacramento Intl

Mon 23/11

13:28-07:40

1 stop34h 12m

London Heathrow

Wed 9/12

14:30-15:21

1 stop32h 51m

£653

SacramentoLondon

SMF Sacramento Intl - LHR London Heathrow

SMFLHR

Sacramento Intl

Tue 17/11

14:15-11:15

1 stop13h 00m

London Heathrow

Fri 27/11

09:30-09:36

2 stops32h 06m

£656

SacramentoLondon

SMF Sacramento Intl - LHR London Heathrow

SMFLHR

Sacramento Intl

Tue 22/9

23:35-20:45

1 stop13h 10m

London Heathrow

Fri 2/10

08:15-21:57

1 stop21h 42m

£663

SacramentoLondon

SMF Sacramento Intl - LHR London Heathrow

SMFLHR

Sacramento Intl

Mon 21/9

07:46-11:20

1 stop19h 34m

London Heathrow

Wed 14/10

06:30-16:57

2 stops18h 27m

£671

SacramentoLondon

SMF Sacramento Intl - LHR London Heathrow

SMFLHR

Sacramento Intl

Tue 3/11

12:01-07:25

1 stop35h 24m

London Heathrow

Wed 9/12

14:30-15:21

1 stop32h 51m

£675

SacramentoLondon

SMF Sacramento Intl - LHR London Heathrow

SMFLHR

Sacramento Intl

Fri 25/9

23:35-20:45

1 stop13h 10m

London Heathrow

Thu 1/10

11:55-21:12

1 stop17h 17m

£678

SacramentoLondon

SMF Sacramento Intl - LHR London Heathrow

SMFLHR

Sacramento Intl

Fri 25/9

23:35-20:45

1 stop13h 10m

London Heathrow

Sun 4/10

11:55-21:55

1 stop18h 00m

£679
Fastest return journey

SacramentoLondon

SMF Sacramento Intl - LHR London Heathrow

SMFLHR

Sacramento Intl

Mon 2/11

14:52-12:20

1 stop13h 28m

London Heathrow

Wed 4/11

14:45-21:55

1 stop15h 10m

£692

SacramentoLondon

SMF Sacramento Intl - LHR London Heathrow

SMFLHR

Sacramento Intl

Wed 9/9

09:46-13:05

2 stops19h 19m

London Heathrow

Tue 22/9

11:45-22:45

2 stops19h 00m

£695

SacramentoLondon

SMF Sacramento Intl - LHR London Heathrow

SMFLHR

Sacramento Intl

Mon 7/9

07:00-06:45

1 stop15h 45m

London Heathrow

Mon 14/9

11:05-20:45

2 stops41h 40m

£701

Flights are sorted by cheapest return flights first.

Deals found on 8/8

Showing 1-10 of 23 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 £503). Flying from Sacramento to London Heathrow Airport in June is currently the most expensive (average of £1,037). 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?

Airfare is typical for this route at the moment.

Sacramento to London Heathrow Airport flights typically cost between £614 and £749 in December.
The cheapest return price found within the last 5 days was £649 on United Airlines (28 Dec–12 Jan).

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 13h 10m. United Airlines provides one of the quickest options available for as low as £663. 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 £503). Flying from Sacramento to London Heathrow Airport in June is currently the most expensive (average of £1,037). 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
Luton
Gatwick
Wembley
Ilford
Slough
Hayes
Croydon
Colchester
Brentford
Eastbourne
Northampton
Watford
Southend-on-Sea
Swindon
Enfield
Kingston upon Thames
Southall
Poole

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How does Cheapflights help users find flights from Sacramento to Heathrow?

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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