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Cheap flights from Sacramento to London Heathrow Airport from £173

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 25/4. Fares are subject to change and may not be available on all flights or dates of travel.
SMF — LHR
14 Feb — 21 Feb1
1 adult
1 adult, Economy, 0 bags

Cheap 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 15 January 2026.

Round-trip from

£416

One-way from

£173

Popular in

June

Cheapest in

April

Average price

£861
10/5-12/5
  • 10/5-12/5
  • 4 total stops
  • 43h 20m total
  • Sacramento to London
Search Deals
British Airways
  • British Airways
  • 25/4
  • 1 total stop
  • 33h 39m total
  • Sacramento to London
Search Deals
Highest demand for flights based on searches. 18% potential increase in price (£117 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease (£24 potential savings vs. average return price).
Search Deals
Average for round-trip flights in January 2026
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Find 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 15 January 2026.

Sun 10/506:45
SMF
-
LHR
2 stops21h 05m
Multiple Airlines
Tue 12/508:45
LHR
-
SMF
2 stops22h 15m
Multiple Airlines
Deal found 14/1£416
Wed 18/206:00
SMF
-
LHR
1 stop22h 15m
British Airways
Thu 26/207:30
LHR
-
SMF
2 stops23h 11m
British Airways
Deal found 13/1£421
Sun 19/413:00
SMF
-
LHR
1 stop16h 20m
Multiple Airlines
Thu 7/506:00
LHR
-
SMF
2 stops25h 00m
Multiple Airlines
Deal found 14/1£425
Sun 10/517:15
SMF
-
LHR
1 stop13h 45m
Virgin Atlantic
Tue 12/508:40
LHR
-
SMF
2 stops17h 53m
Virgin Atlantic
Deal found 14/1£426
Wed 25/211:31
SMF
-
LHR
1 stop16h 09m
British Airways
Mon 9/316:30
LHR
-
SMF
2 stops37h 55m
British Airways
Deal found 13/1£429
Tue 21/413:00
SMF
-
LHR
1 stop16h 20m
Lufthansa
Thu 14/509:00
LHR
-
SMF
2 stops22h 00m
Lufthansa
Deal found 13/1£430
Tue 21/413:00
SMF
-
LHR
1 stop16h 20m
Lufthansa
Tue 5/510:50
LHR
-
SMF
2 stops20h 10m
Lufthansa
Deal found 12/1£431
Mon 6/413:00
SMF
-
LHR
1 stop16h 20m
Lufthansa
Fri 24/407:25
LHR
-
SMF
2 stops21h 31m
Lufthansa
Deal found 14/1£431
Fri 6/212:30
SMF
-
LHR
2 stops58h 40m
Multiple Airlines
Fri 6/306:35
LHR
-
SMF
2 stops37h 17m
Multiple Airlines
Deal found 12/1£435

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 15 January 2026.
Use the filters below to find and compare flights from Sacramento to London Heathrow Airport that are best for you.

Fly from

Sacramento

Fly to

Heathrow

Route

Depart

Return

Price

SacramentoLondon

SMF - LHR

SMFLHR

Sacramento Intl

Sun 15/2

19:05-09:40

1 stop30h 35m

London Heathrow

Tue 10/3

14:30-11:52

1 stop28h 22m

£437

SacramentoLondon

SMF - LHR

SMFLHR

Sacramento Intl

Tue 17/2

11:31-10:00

1 stop14h 29m

London Heathrow

Tue 10/3

19:15-19:50

2 stops31h 35m

£437

SacramentoLondon

SMF - LHR

SMFLHR

Sacramento Intl

Sun 15/2

16:55-10:00

1 stop33h 05m

London Heathrow

Thu 12/3

06:15-00:45

2 stops25h 30m

£438

SacramentoLondon

SMF - LHR

SMFLHR

Sacramento Intl

Tue 17/2

08:18-10:00

1 stop17h 42m

London Heathrow

Thu 12/3

06:15-00:45

2 stops25h 30m

£438

SacramentoLondon

SMF - LHR

SMFLHR

Sacramento Intl

Tue 17/2

16:55-12:20

1 stop35h 25m

London Heathrow

Wed 11/3

06:15-19:50

2 stops20h 35m

£438

SacramentoLondon

SMF - LHR

SMFLHR

Sacramento Intl

Mon 6/4

16:08-09:40

1 stop33h 32m

London Heathrow

Fri 24/4

15:05-12:20

1 stop29h 15m

£449

SacramentoLondon

SMF - LHR

SMFLHR

Sacramento Intl

Wed 25/3

12:30-11:50

1 stop16h 20m

London Heathrow

Tue 31/3

12:15-20:54

1 stop16h 39m

£449

SacramentoLondon

SMF - LHR

SMFLHR

Sacramento Intl

Sun 1/3

05:00-09:40

1 stop20h 40m

London Heathrow

Sun 8/3

13:45-22:30

2 stops39h 45m

£450

SacramentoLondon

SMF - LHR

SMFLHR

Sacramento Intl

Tue 17/2

11:15-11:40

2 stops16h 25m

London Heathrow

Sat 28/2

08:40-20:58

2 stops20h 18m

£455

SacramentoLondon

SMF - LHR

SMFLHR

Sacramento Intl

Sat 14/2

12:25-06:25

1 stop34h 00m

London Heathrow

Thu 12/3

10:45-20:10

1 stop16h 25m

£457

Flights are sorted by cheapest return flights first.

Deals found on 13/1

Showing 1-10 of 20 results
1
2

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?

Use this chart to determine the optimal time to book a return flight from Sacramento to Heathrow. Price data was last updated on 9 January 2026.

Booking 18 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, October is the cheapest month in which you can book a flight from Sacramento to London Heathrow Airport (average of £370). Flying from Sacramento to London Heathrow Airport in June is currently the most expensive (average of £600). 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.

Reviews of airlines servicing Heathrow

Get insights into the airlines that provide service to Heathrow. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Heathrow. Reviews last updated 15 January 2026.
See what other customers who have flown with Lufthansa from Sacramento to London Heathrow Airport have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Lufthansa
6.8
Okay
7,715 reviews
Check prices

Boarding

7.0

Overall

6.8

Entertainment

6.4

Food

6.3

Comfort

6.8

Crew

7.6

Reviews

1 / 20
6.0
Good

Anonymous,Dec 2025

SFO - MUC

The coordination between United and Lufthansa teams is poor and confusing.
Lufthansa
6.8
Okay
7,715 reviews
Lufthansa
6.8
Okay
7,715 reviews
Check prices

Boarding

7.0

Overall

6.8

Entertainment

6.4

Food

6.3

Comfort

6.8

Crew

7.6

Reviews

1 / 20
6.0
Good

Anonymous,Dec 2025

SFO - MUC

The coordination between United and Lufthansa teams is poor and confusing.

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 1 airline. 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 14h 29m. United Airlines provides one of the quickest options available for as low as £437. 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.

  • What is the cheapest airline to fly from Sacramento to London Heathrow Airport round-trip?

    Our cheapest airline available from Sacramento to London Heathrow Airport is Lufthansa. Our recent data shows that you can find tickets from as low as £427 on this airline. Lufthansa is currently priced 39% below the average price you’ll pay for this route.

  • 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, October is the cheapest month in which you can book a flight from Sacramento to London Heathrow Airport (average of £370). Flying from Sacramento to London Heathrow Airport in June is currently the most expensive (average of £600). 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
Milton Keynes
Croydon
Luton
Northampton
Slough
Gatwick
Hounslow
Wembley
Ilford
Brentford
Hayes
Colchester
Watford
Crawley
Kingston upon Thames
Swindon
Bedford
Chelmsford
Eastbourne
Romford

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Sacramento to Heathrow

See prices for flight routes from nearby airports that may be better suited for you.
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Top airline flying from Sacramento to Heathrow

Discover the top airline that operate flights from Sacramento to Heathrow. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 15 January 2026.
AirlineCheapestAverageFlexibilityOn-time
LufthansaCheapest£427Average£501FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

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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