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Cheap flights from Sacramento to London from £188

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 3/5. Fares are subject to change and may not be available on all flights or dates of travel.
SMF — LON
21 Apr — 28 Apr1
1 adult

Cheapflights Tip: The best prices from Sacramento Intl to London are usually found in October or April, booked 88 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 16 April 2025.

Round-trip from

£507

One-way from

£188

Popular in

June

Cheapest in

October

Average price

£614
27/8-24/9
  • 27/8-24/9
  • 4 total stops
  • 33h 44m total
  • Sacramento to London
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3/5
  • 3/5
  • 2 total stops
  • 31h 21m total
  • Sacramento to London
Search Deals
Highest demand for flights based on searches. 17% potential increase in price (£122 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (£20 potential savings vs. average return price).
Search Deals
Average for round-trip flights in April 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 16 April 2025.

Wed 27/809:00SMF - LHR
2 stops17h 00mMultiple Airlines
Wed 24/906:30LHR - SMF
2 stops16h 44mMultiple Airlines
Deal found 15/4£507
Sat 26/423:59SMF - LHR
1 stop22h 21mUnited Airlines
Tue 6/506:30LHR - SMF
2 stops16h 46mUnited Airlines
Deal found 15/4£510
Tue 19/809:00SMF - LHR
2 stops17h 00mAir Canada
Thu 28/809:30LHR - SMF
2 stops37h 49mAir Canada
Deal found 15/4£522
Wed 8/1008:22SMF - LHR
2 stops21h 58mBritish Airways
Tue 28/1010:20LHR - SMF
2 stops20h 15mBritish Airways
Deal found 15/4£525
Wed 12/1108:25SMF - LHR
1 stop15h 50mFinnair
Tue 18/1110:15LHR - SMF
1 stop16h 07mFinnair
Deal found 15/4£526
Thu 1/523:19SMF - LHR
1 stop13h 26mJetBlue
Thu 8/508:25LHR - SMF
1 stop20h 15mJetBlue
Deal found 15/4£527
Wed 21/510:41SMF - LGW
2 stops16h 14mMultiple Airlines
Wed 28/510:55LGW - SMF
2 stops30h 51mMultiple Airlines
Deal found 15/4£530
Tue 16/914:42SMF - LHR
1 stop15h 43mIberia
Tue 30/908:20LHR - SMF
1 stop20h 12mIberia
Deal found 16/4£531
Wed 17/910:25SMF - LHR
1 stop15h 25mVirgin Atlantic
Wed 24/906:30LHR - SMF
2 stops17h 59mVirgin Atlantic
Deal found 15/4£533
Wed 12/1114:15SMF - LHR
2 stops23h 25mScandinavian Airlines
Tue 18/1107:05LHR - SMF
3 stops23h 09mScandinavian Airlines
Deal found 15/4£534
Wed 21/518:06SMF - LHR
1 stop15h 09mDelta
Wed 28/506:15LHR - SMF
2 stops18h 05mDelta
Deal found 15/4£543
Thu 1/517:47SMF - LHR
1 stop14h 18mAmerican Airlines
Thu 15/508:50LHR - SMF
2 stops18h 24mAmerican Airlines
Deal found 14/4£545

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 16 April 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

Wed 27/8

09:00-10:00

2 stops17h 00m

London Heathrow

Wed 24/9

06:30-15:14

2 stops16h 44m

£507

SacramentoLondon

SMF - LHR

SMFLHR

Sacramento Intl

Sat 26/4

23:59-06:20

1 stop22h 21m

London Heathrow

Tue 6/5

06:30-15:16

2 stops16h 46m

£510

SacramentoLondon

SMF - LHR

SMFLHR

Sacramento Intl

Wed 27/8

09:00-11:50

2 stops18h 50m

London Heathrow

Wed 24/9

15:50-18:03

2 stops34h 13m

£521

SacramentoLondon

SMF - LHR

SMFLHR

Sacramento Intl

Wed 8/10

08:22-14:20

2 stops21h 58m

London Heathrow

Tue 28/10

10:20-23:35

2 stops20h 15m

£525

SacramentoLondon

SMF - LHR

SMFLHR

Sacramento Intl

Thu 1/5

23:19-20:45

1 stop13h 26m

London Heathrow

Thu 8/5

08:25-20:40

1 stop20h 15m

£527

SacramentoLondon

SMF - LHR

SMFLHR

Sacramento Intl

Tue 13/5

07:57-12:45

1 stop20h 48m

London Heathrow

Tue 20/5

14:20-21:37

1 stop15h 17m

£527

SacramentoLondon

SMF - LGW

SMFLGW

Sacramento Intl

Wed 21/5

10:41-10:55

2 stops16h 14m

London Gatwick

Wed 28/5

10:55-09:46

2 stops30h 51m

£530

SacramentoLondon

SMF - LHR

SMFLHR

Sacramento Intl

Tue 16/9

14:42-14:25

1 stop15h 43m

London Heathrow

Tue 30/9

08:20-20:32

1 stop20h 12m

£531

SacramentoLondon

SMF - LHR

SMFLHR

Sacramento Intl

Wed 17/9

10:25-09:50

1 stop15h 25m

London Heathrow

Wed 24/9

06:30-16:29

2 stops17h 59m

£533

SacramentoLondon

SMF - LHR

SMFLHR

Sacramento Intl

Wed 21/5

06:15-14:15

1 stop24h 00m

London Heathrow

Wed 28/5

06:15-16:20

2 stops18h 05m

£543

Flights are sorted by cheapest return flights first.

Deals found on 15/4

Showing 1-10 of 48 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 11 April 2025.

To ensure you get the cheapest price possible for a flight from Sacramento to London, you should look to book at least 88 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 16 April 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 16 April 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
7,917 reviews
Check prices

Overall

8.0

Comfort

7.9

Crew

8.5

Food

7.3

Entertainment

7.9

Boarding

8.2

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
7,917 reviews
Delta
8.0
Very Good
7,917 reviews
Check prices

Overall

8.0

Comfort

7.9

Crew

8.5

Food

7.3

Entertainment

7.9

Boarding

8.2

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
1,326 reviews
Delta
8.0
Very Good
7,917 reviews
Check prices

Overall

8.0

Comfort

7.9

Crew

8.5

Food

7.3

Entertainment

7.9

Boarding

8.2

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
1,269 reviews
Delta
8.0
Very Good
7,917 reviews
Check prices

Overall

8.0

Comfort

7.9

Crew

8.5

Food

7.3

Entertainment

7.9

Boarding

8.2

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
1,580 reviews
Delta
8.0
Very Good
7,917 reviews
Check prices

Overall

8.0

Comfort

7.9

Crew

8.5

Food

7.3

Entertainment

7.9

Boarding

8.2

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
8,658 reviews
Delta
8.0
Very Good
7,917 reviews
Check prices

Overall

8.0

Comfort

7.9

Crew

8.5

Food

7.3

Entertainment

7.9

Boarding

8.2

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?

    United Airlines, at £510, was found to be the cheapest airline from Sacramento to London.Alternate airlines flying return to your destination include Air Canada and British Airways. United Airlines is currently priced 31% 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 £317 on JetBlue. Other airlines that offer cheap prices include Air Canada from £337 and Aer Lingus from £352 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
Hounslow
Deal
Milton Keynes
Gatwick
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Wembley
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Crawley
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Maidstone
Ipswich
Southall
Ilford
Winchester
Folkestone
Dartford
Watford

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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 16 April 2025.
AirlineCheapestAverageFlexibilityOn-time
Virgin AtlanticCheapest£545Average£813FlexibilityNo 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?

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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.

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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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