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Cheap flights from Sacramento to London from £159

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 9/7. Fares are subject to change and may not be available on all flights or dates of travel.
SMF — LON
18 Jun — 25 Jun1
1 adult

Cheapflights Tip: The best prices from Sacramento Intl to London are usually found in October or September, booked 45 days in advance, depart on a Tuesday or Thursday and return on a Sunday

Cheap 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 13 June 2025.

Round-trip from

£646

One-way from

£159

Popular in

June

Cheapest in

October

Average price

£1,024
Air Canada
  • Air Canada
  • 31/7-7/8
  • 4 total stops
  • 38h 55m total
  • Sacramento to London
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9/7
  • 9/7
  • 2 total stops
  • 34h 59m total
  • Sacramento to London
Search Deals
Highest demand for flights based on searches. 17% potential increase in price (£113 potential increase over avg. return price).
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Cheapest flight prices on average. 4% potential price decrease (£21 potential savings vs. average return price).
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Average for round-trip flights in June 2025
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Find flight deals from Sacramento to London

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 13 June 2025.

Thu 31/708:30SMF - LHR
2 stops17h 30mAir Canada
Thu 7/808:30LHR - SMF
2 stops21h 25mAir Canada
Deal found 11/6£646
Fri 25/714:04SMF - LHR
1 stop14h 41mBritish Airways
Fri 1/814:45LHR - SMF
1 stop15h 43mBritish Airways
Deal found 11/6£648
Fri 25/710:59SMF - LHR
2 stops16h 36mUnited Airlines
Fri 1/808:30LHR - SMF
2 stops17h 02mUnited Airlines
Deal found 11/6£652
Tue 22/710:56SMF - LHR
1 stop15h 54mIberia
Sun 27/708:20LHR - SMF
1 stop20h 21mIberia
Deal found 12/6£655
Sun 3/813:15SMF - LHR
1 stop17h 00mDelta
Sat 16/806:15LHR - SMF
2 stops20h 00mDelta
Deal found 13/6£659
Wed 8/1014:54SMF - LGW
2 stops15h 46mIcelandair
Tue 28/1011:55LGW - SMF
2 stops16h 57mIcelandair
Deal found 11/6£659
Thu 31/712:58SMF - LCY
2 stops19h 27mLufthansa
Tue 19/808:45LCY - SMF
2 stops21h 09mLufthansa
Deal found 12/6£660
Wed 20/805:30SMF - SEN
3 stops31h 20mMultiple Airlines
Mon 25/811:30SEN - SMF
3 stops44h 26mMultiple Airlines
Deal found 10/6£662
Mon 21/719:26SMF - LGW
3 stops35h 14mMultiple Airlines
Sun 27/713:00LGW - SMF
3 stops30h 06mMultiple Airlines
Deal found 11/6£665
Wed 30/712:58SMF - LGW
2 stops20h 57mSWISS
Thu 7/818:40LGW - SMF
2 stops34h 26mSWISS
Deal found 10/6£668
Tue 8/712:20SMF - LHR
1 stop13h 30mKLM
Thu 31/710:55LHR - SMF
1 stop15h 09mKLM
Deal found 12/6£670
Mon 25/807:00SMF - LHR
2 stops27h 30mScandinavian Airlines
Fri 12/906:40LHR - SMF
3 stops23h 11mScandinavian Airlines
Deal found 10/6£673

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 13 June 2025.
Use the filters below to find and compare flights from Sacramento to London that are best for you.

Fly from

Sacramento

Fly to

London

Route

Depart

Return

Price

SacramentoLondon

SMF - LHR

SMFLHR

Sacramento Intl

Thu 31/7

08:30-10:00

2 stops17h 30m

London Heathrow

Thu 7/8

08:30-21:55

2 stops21h 25m

£646

SacramentoLondon

SMF - LHR

SMFLHR

Sacramento Intl

Fri 25/7

05:15-06:30

2 stops17h 15m

London Heathrow

Fri 1/8

08:30-18:35

1 stop18h 05m

£648

SacramentoLondon

SMF - LHR

SMFLHR

Sacramento Intl

Tue 22/7

10:56-10:50

1 stop15h 54m

London Heathrow

Sun 27/7

08:20-20:41

1 stop20h 21m

£655

SacramentoLondon

SMF - LHR

SMFLHR

Sacramento Intl

Sun 3/8

13:15-14:15

1 stop17h 00m

London Heathrow

Sat 16/8

06:15-18:15

2 stops20h 00m

£659

SacramentoLondon

SMF - LGW

SMFLGW

Sacramento Intl

Wed 8/10

14:54-14:40

2 stops15h 46m

London Gatwick

Tue 28/10

11:55-21:52

2 stops16h 57m

£659

SacramentoLondon

SMF - LCY

SMFLCY

Sacramento Intl

Thu 31/7

12:58-16:25

2 stops19h 27m

London City

Tue 19/8

08:45-21:54

2 stops21h 09m

£660

SacramentoLondon

SMF - SEN

SMFSEN

Sacramento Intl

Wed 20/8

05:30-20:50

3 stops31h 20m

London Southend

Mon 25/8

11:30-23:56

3 stops44h 26m

£662

SacramentoLondon

SMF - LGW

SMFLGW

Sacramento Intl

Mon 21/7

19:26-14:40

3 stops35h 14m

London Gatwick

Sun 27/7

13:00-11:06

3 stops30h 06m

£665

SacramentoLondon

SMF - LGW

SMFLGW

Sacramento Intl

Wed 30/7

12:58-17:55

2 stops20h 57m

London Gatwick

Thu 7/8

18:40-21:06

2 stops34h 26m

£668

SacramentoLondon

SMF - LHR

SMFLHR

Sacramento Intl

Tue 8/7

12:20-09:50

1 stop13h 30m

London Heathrow

Thu 31/7

10:55-18:04

1 stop15h 09m

£670

Flights are sorted by cheapest return flights first.

Deals found on 11/6

Showing 1-10 of 52 results
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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

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

Use this chart to determine the optimal time to book a return flight from Sacramento to London. Price data was last updated on 9 June 2025.

To ensure you get the cheapest price possible for a flight from Sacramento to London, you should look to book at least 45 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.

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

Currently, January is the cheapest month in which you can book a flight from Sacramento to London (average of £112). Flying from Sacramento to London in August is currently the most expensive (average of £164). 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.

What is the cheapest time of day to fly from SMF to LON?

Find hourly flight availability from Sacramento to London. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 13 June 2025.

It’s optimal to fly from Sacramento to London in the morning. By choosing this option you can save up to 36% on the cost of your flight, compared to a flight in the evening.

Rainfall in London by month

Plan your trip to London by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in London ranges from 40.0 - 70.0 inches per month. January is typically the wettest month, when rainfall can reach 70.0 mm. July is typically the driest time to visit London when rainfall is around 40.0 mm.

Temperature in London by month

Plan your trip to London by taking into account the average temperature totals by month.

If weather is an important factor for your trip to London, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 17.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 4.0 C).

Reviews of airlines servicing London

Get insights into the airlines that provide service to London. 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 London. Reviews last updated 13 June 2025.
Read reviews from past customers who have flown Delta, KLM and Finnair from Sacramento to London. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very Good
7,950 reviews
Check prices

Boarding

8.2

Food

7.3

Crew

8.5

Comfort

7.9

Overall

8.0

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Delta
8.0
Very Good
7,950 reviews
Delta
8.0
Very Good
7,950 reviews
Check prices

Boarding

8.2

Food

7.3

Crew

8.5

Comfort

7.9

Overall

8.0

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
KLM
7.8
Good
1,358 reviews
Delta
8.0
Very Good
7,950 reviews
Check prices

Boarding

8.2

Food

7.3

Crew

8.5

Comfort

7.9

Overall

8.0

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Finnair
7.6
Good
1,290 reviews
Delta
8.0
Very Good
7,950 reviews
Check prices

Boarding

8.2

Food

7.3

Crew

8.5

Comfort

7.9

Overall

8.0

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
SWISS
7.5
Good
1,624 reviews
Delta
8.0
Very Good
7,950 reviews
Check prices

Boarding

8.2

Food

7.3

Crew

8.5

Comfort

7.9

Overall

8.0

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
United Airlines
7.4
Good
8,790 reviews
Delta
8.0
Very Good
7,950 reviews
Check prices

Boarding

8.2

Food

7.3

Crew

8.5

Comfort

7.9

Overall

8.0

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

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. 1 airline 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.

  • What are the cheapest airlines flying from Sacramento to London round-trip?

    Air Canada, at £646, was found to be the cheapest airline from Sacramento to London.Alternate airlines flying return to your destination include United Airlines and Iberia. Air Canada is currently priced 9% below the average price you’ll pay for this route.

  • What are the cheapest airlines to fly from Sacramento to London one-way?

    One-way options have recently been found by users for as low as £272 on JetBlue. Other airlines that offer cheap prices include Icelandair from £304 and Air Canada from £337 one-way.

  • 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, January is the cheapest month in which you can book a flight from Sacramento to London (average of £112). Flying from Sacramento to London in August is currently the most expensive (average of £164). 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 Sacramento?

Book flights to Sacramento if you plan to visit one of these locations
Deal
Hounslow
Croydon
Milton Keynes
Gatwick
Luton
Slough
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Crawley
Eastbourne
Ilford
Southend-on-Sea
Watford
Hayes
Ipswich
Winchester
Folkestone
Maidstone
Dartford
Guildford

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Top airline flying from Sacramento to London

Discover the top airline that operate flights from Sacramento to London. 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 13 June 2025.
AirlineCheapestAverageFlexibilityOn-time
Virgin AtlanticCheapest£531Average£885FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights

Fly with Cheapflights

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

Cheapflights helps you search for flights from Sacramento to London via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

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

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to London from Sacramento.

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

Users can book flights with no change fees policies with our dedicated filters. Book flights from Sacramento to London flexibly with Cheapflights today.

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

Not ready to book yet? You can track prices for flights from Sacramento to London on Cheapflights with our Price Alert feature and get notified when better prices are available.

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