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Heathrow

$433+ Cheap flights from Sacramento (SMF) to Heathrow (LHR)

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 7/24. Fares are subject to change and may not be available on all flights or dates of travel.
SMF — LHR
May 4 — May 111
Sun 5/4
Sun 5/11
1 adult, Economy
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1. Tell us where you want to go

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Cheapflights Tip: The best prices from Sacramento Intl to London Heathrow are usually found in April or October, booked 21 days in advance, depart on a Monday or Friday and return on a Friday

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 April 29, 2025.

Most accurate provider

AranGrant
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$705
(Scandinavian Airlines)

One-way from

$433
(Kiwi.com)

Popular in

June

Cheapest in

April

Average price

$804
Provider with most accurate pricing for Sacramento Intl-London Heathrow flight deals.
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Provider most trusted by Cheapflights users for Sacramento Intl-London Heathrow flights.
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From Sacramento Intl to London Heathrow
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One-way flight from Sacramento Intl to London Heathrow
Search Deals
Highest demand for flights based on searches. 18% potential increase in price ($226 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($37 potential savings vs. average RT price).
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Average for round-trip flights in April 2025
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Find flight deals from Sacramento to Heathrow

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 April 29, 2025.

This Scandinavian Airlines deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/201:06 pmSMF - LHR
2 stops18h 54mScandinavian Airlines
Wed 9/1010:20 amLHR - SMF
2 stops19h 54mScandinavian Airlines
Deal found 4/28$705
This United Airlines deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/84:05 pmSMF - LHR
1 stop13h 15mUnited Airlines
Fri 10/246:30 amLHR - SMF
2 stops16h 44mUnited Airlines
Deal found 4/28$747
This Gotogate deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/198:30 amSMF - LHR
1 stop14h 05mMultiple Airlines
Thu 8/289:00 amLHR - SMF
2 stops22h 43mMultiple Airlines
Deal found 4/28$757
This Air Canada deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/199:00 amSMF - LHR
2 stops17h 00mAir Canada
Thu 8/282:10 pmLHR - SMF
1 stop15h 39mAir Canada
Deal found 4/28$773
This JetBlue deal was found by Cheapflights users on 4/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/511:19 pmSMF - LHR
1 stop13h 26mJetBlue
Mon 5/1211:55 amLHR - SMF
1 stop18h 04mJetBlue
Deal found 4/27$774
This StudentUniverse deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure StudentUniverse is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/3012:05 pmSMF - LHR
1 stop16h 15mFinnair
Tue 12/1611:50 amLHR - SMF
1 stop17h 41mFinnair
Deal found 4/28$782
This Iberia deal was found by Cheapflights users on 4/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/246:16 amSMF - LHR
1 stop18h 44mIberia
Sun 8/316:10 amLHR - SMF
2 stops22h 09mIberia
Deal found 4/27$817
This oojo deal was found by Cheapflights users on 4/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/87:04 amSMF - LHR
2 stops19h 51mBritish Airways
Mon 8/183:00 pmLHR - SMF
2 stops37h 39mBritish Airways
Deal found 4/27$856
This Delta deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/36:47 amSMF - LHR
1 stop23h 28mDelta
Sat 8/168:40 amLHR - SMF
2 stops18h 59mDelta
Deal found 4/28$907
This KLM deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/37:00 amSMF - LHR
1 stop15h 45mKLM
Sat 8/161:05 pmLHR - SMF
1 stop17h 37mKLM
Deal found 4/28$921
This Icelandair deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Icelandair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/28:00 amSMF - LHR
2 stops28h 20mIcelandair
Mon 5/59:25 pmLHR - SMF
2 stops56h 23mIcelandair
Deal found 4/28$1,044

Cheapflights Fare Finder

Customize 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 2,558,603 searches. Data last updated April 29, 2025.
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

Mon 5/5

11:19 pm-8:45 pm

1 stop13h 26m

London Heathrow

Mon 5/12

11:55 am-9:59 pm

1 stop18h 04m

$774

SacramentoLondon

SMF - LHR

SMFLHR

Sacramento Intl

Mon 5/12

9:00 am-1:20 pm

1 stop20h 20m

London Heathrow

Mon 5/19

5:50 pm-11:59 pm

2 stops38h 09m

$938

SacramentoLondon

SMF - LHR

SMFLHR

Sacramento Intl

Sun 5/25

12:30 pm-4:00 pm

2 stops43h 30m

London Heathrow

Sun 6/8

5:00 pm-7:35 pm

2 stops34h 35m

$962

SacramentoLondon

SMF - LHR

SMFLHR

Sacramento Intl

Mon 5/5

11:10 am-10:25 am

1 stop15h 15m

London Heathrow

Mon 5/12

8:40 am-7:36 pm

2 stops18h 56m

$994

SacramentoLondon

SMF - LHR

SMFLHR

Sacramento Intl

Fri 5/2

9:00 am-11:50 am

2 stops18h 50m

London Heathrow

Sun 5/11

8:45 am-9:46 pm

2 stops21h 01m

$1,029

SacramentoLondon

SMF - LHR

SMFLHR

Sacramento Intl

Fri 5/2

8:00 am-8:20 pm

2 stops28h 20m

London Heathrow

Mon 5/5

9:25 pm-9:48 pm

2 stops56h 23m

$1,044

SacramentoLondon

SMF - LHR

SMFLHR

Sacramento Intl

Fri 5/2

4:34 pm-2:15 pm

1 stop13h 41m

London Heathrow

Mon 5/5

6:30 am-3:53 pm

2 stops17h 23m

$1,049

SacramentoLondon

SMF - LHR

SMFLHR

Sacramento Intl

Thu 7/24

10:52 am-9:00 am

1 stop14h 08m

London Heathrow

Fri 8/1

3:10 pm-10:42 pm

1 stop15h 32m

$1,092

SacramentoLondon

SMF - LHR

SMFLHR

Sacramento Intl

Fri 6/6

7:20 am-2:25 pm

1 stop23h 05m

London Heathrow

Wed 6/11

9:30 am-9:41 pm

2 stops20h 11m

$1,169

SacramentoLondon

SMF - LHR

SMFLHR

Sacramento Intl

Sat 7/5

6:34 pm-8:00 am

1 stop29h 26m

London Heathrow

Sat 7/19

8:20 am-6:46 pm

1 stop18h 26m

$1,210

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/28

Showing 1-10 of 18 results
1
2

Compare providers for flights from Sacramento to Heathrow

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Sacramento to Heathrow in April.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*2 stars
AranGrantPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
ScholarTripPrice Accuracy3 starsTrust Score*3 stars
GotogatePrice Accuracy3 starsTrust Score*2 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Sacramento-London Heathrow Airport flights, users find the pricing of AranGrant to be most consistent on Cheapflights vs. AranGrant Users can find the same prices on Sacramento-London Heathrow Airport flight deals on Cheapflights vs. AranGrant >95% of the time. Price accuracy is based on data collected from Sacramento-London Heathrow Airport flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Sacramento-London Heathrow Airport flights, Cheapflights users trust AranGrant the most. AranGrant has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Sacramento-London Heathrow Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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 round-trip 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 round-trip flight from Sacramento to Heathrow. Price data was last updated on April 25, 2025.

Booking 21 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, November is the cheapest month in which you can book a flight from Sacramento to London Heathrow Airport (average of $661). Flying from Sacramento to London Heathrow Airport in June is currently the most expensive (average of $1,110). 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 LHR?

Find hourly flight availability from Sacramento to Heathrow. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated April 29, 2025.

It’s typically best to fly out from Sacramento to London Heathrow Airport at noon. Doing so could potentially save you 17% on the flight price compared to flying in the evening, which is usually more expensive.

What is the cheapest day to fly from Sacramento to London Heathrow Airport?

Use this chart to determine the cheapest time to fly round-trip from Sacramento to Heathrow. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Sacramento to London Heathrow Airport flight should consider departing on Monday at noon when fares are most often at their lowest. Wednesday evenings flights should be avoided if possible as fares are typically the most expensive at this time.

Rainfall in Heathrow by month

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

In terms of precipitation, rainfall in London Heathrow Airport ranges from 1.6 - 2.8 inches per month. January is typically the wettest month, when rainfall can reach 2.8 in. July is typically the driest time to visit London Heathrow Airport when rainfall is around 1.6 in.

Temperature in Heathrow by month

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

If weather is an important factor for your trip to London Heathrow Airport, 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 62.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 39.2 F).

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 April 29, 2025.
Get a feel of what it's like to fly with Delta, KLM and Finnair from Sacramento to London by reading reviews from past customers. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,929 reviews

Food

7.3

Crew

8.5

Entertainment

7.9

Overall

8.0

Comfort

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
7,929 reviews
Delta
8.0
Very good
7,929 reviews

Food

7.3

Crew

8.5

Entertainment

7.9

Overall

8.0

Comfort

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
1,333 reviews
Delta
8.0
Very good
7,929 reviews

Food

7.3

Crew

8.5

Entertainment

7.9

Overall

8.0

Comfort

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
1,273 reviews
Delta
8.0
Very good
7,929 reviews

Food

7.3

Crew

8.5

Entertainment

7.9

Overall

8.0

Comfort

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
8,696 reviews
Delta
8.0
Very good
7,929 reviews

Food

7.3

Crew

8.5

Entertainment

7.9

Overall

8.0

Comfort

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.
JetBlue
7.3
Good
2,922 reviews
Delta
8.0
Very good
7,929 reviews

Food

7.3

Crew

8.5

Entertainment

7.9

Overall

8.0

Comfort

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 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?

    For a flight from Sacramento to London Heathrow, you will be flying from Sacramento Intl. Sacramento Intl (SMF) is just 9.4 mi from the center of the city. Sacramento Intl is the only Sacramento airport and it handles 0 outbound flights to London Heathrow per day. 9 airlines have flights to London Heathrow from Sacramento Intl on a regular basis.

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

    Currently priced at $705, Scandinavian Airlines will fly you from Sacramento to London Heathrow Airport and back. In addition to Scandinavian Airlines, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from United Airlines and Air Canada - these airlines can fly you to your destination from $747 and $773, respectively. Scandinavian Airlines is 27% cheaper than the average price of flights available within the next 90 days to this destination.

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

    To fly one-way, consider booking your trip with JetBlue, which is currently one of the cheapest options available, starting at $443. Air Canada flights start at $478 while deals on Delta start at $483 one-way.

  • 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 vacation 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, November is the cheapest month in which you can book a flight from Sacramento to London Heathrow Airport (average of $661). Flying from Sacramento to London Heathrow Airport in June is currently the most expensive (average of $1,110). 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

Traveling to a place near Sacramento?

Book flights to Sacramento if you plan to visit one of these locations
Hayes
Hounslow
Thornton Heath
Luton
Horley
Canterbury
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Dover
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Gatwick
Orpington
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Borehamwood
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Ilford
Broadway
Aylesbury

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Top 9 airlines flying from Sacramento to Heathrow

Discover the top 9 airlines 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 2,558,603 searches. Data last updated April 29, 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$643Average$965FlexibilityNo cancel feeOn-time67%
British AirwaysCheapest$647Average$974FlexibilityNo cancel feeOn-time70%
DeltaCheapest$683Average$887FlexibilityNo cancel feeOn-timeN/A
Scandinavian AirlinesCheapest$683Average$770FlexibilityNo cancel feeOn-time77%
Virgin AtlanticCheapest$702Average$994FlexibilityNo cancel feeOn-time72%
American AirlinesCheapest$702Average$920FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$703Average$944FlexibilityNo cancel feeOn-time69%
JetBlueCheapest$736Average$947FlexibilityNo cancel feeOn-time62%
LufthansaCheapest$911Average$1,724FlexibilityNo cancel feeOn-time76%

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