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Heathrow

$222+ 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 4/15. Fares are subject to change and may not be available on all flights or dates of travel.
SMF — LHR
Jan 3 — Jan 101
Sat 1/3
Sat 1/10
1 adult, Economy
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Cheapflights Tip: The best prices from Sacramento Intl to London Heathrow are usually found in October or April, booked 14 days in advance, depart on a Monday or Friday and return on a Friday

Cheap 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 December 4, 2025.

This Delta deal was found by Cheapflights users on 12/2. 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.
Tue 12/96:00 amSMF - LHR
2 stops17h 05mDelta
Wed 12/1711:20 amLHR - SMF
1 stop16h 18mDelta
Deal found 12/2$602
This Cheapflightsfares deal was found by Cheapflights users on 12/3. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/118:45 amSMF - LHR
1 stop16h 55mLufthansa
Tue 1/206:35 amLHR - SMF
2 stops21h 01mLufthansa
Deal found 12/3$603
This Air Canada deal was found by Cheapflights users on 12/3. 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.
Thu 12/1110:35 amSMF - LHR
2 stops17h 15mMultiple Airlines
Tue 1/206:35 amLHR - SMF
2 stops37h 17mMultiple Airlines
Deal found 12/3$624
This United Airlines deal was found by Cheapflights users on 12/2. 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.
Tue 12/94:02 pmSMF - LHR
1 stop33h 38mUnited Airlines
Sat 1/172:30 pmLHR - SMF
1 stop29h 22mUnited Airlines
Deal found 12/2$625
This Iberia deal was found by Cheapflights users on 12/2. 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.
Tue 12/97:16 amSMF - LHR
1 stop18h 44mIberia
Sat 1/176:15 amLHR - SMF
2 stops25h 15mIberia
Deal found 12/2$627
This Gotogate deal was found by Cheapflights users on 12/2. 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 12/96:10 amSMF - LHR
2 stops17h 00mAir Canada
Sat 1/171:25 pmLHR - SMF
2 stops37h 16mAir Canada
Deal found 12/2$630
This FlightHub deal was found by Cheapflights users on 12/2. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/91:06 pmSMF - LHR
1 stop12h 34mLufthansa
Sat 1/171:45 pmLHR - SMF
1 stop13h 54mLufthansa
Deal found 12/2$643
This United Airlines deal was found by Cheapflights users on 12/2. 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 12/316:00 amSMF - LHR
1 stop23h 30mUnited Airlines
Wed 1/71:25 pmLHR - SMF
2 stops30h 30mUnited Airlines
Deal found 12/2$661
This United Airlines deal was found by Cheapflights users on 12/2. 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.
Thu 12/111:06 pmSMF - LHR
1 stop12h 34mUnited Airlines
Mon 12/151:25 pmLHR - SMF
2 stops40h 18mUnited Airlines
Deal found 12/2$678

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 December 4, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$600
(Iberia)

One-way from

$222
(Mytrip)

Popular in

June

Cheapest in

October

Average price

$1,204
Provider with most accurate pricing for Sacramento Intl-London Heathrow flight deals.
Search Deals
Provider most trusted by Cheapflights users for Sacramento Intl-London Heathrow flights.
Search Deals
From Sacramento Intl to London Heathrow
Search Deals
One-way flight from Sacramento Intl to London Heathrow
Search Deals
Highest demand for flights based on searches. 17% potential increase in price ($214 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($40 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

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 December 4, 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

Thu 3/12

11:17 am-4:00 pm

3 stops21h 43m

London Heathrow

Tue 3/17

10:20 am-11:32 pm

2 stops20h 12m

$604

SacramentoLondon

SMF - LHR

SMFLHR

Sacramento Intl

Sat 5/9

8:29 pm-7:25 am

1 stop26h 56m

London Heathrow

Thu 5/21

5:40 pm-8:45 pm

1 stop35h 05m

$605

SacramentoLondon

SMF - LHR

SMFLHR

Sacramento Intl

Thu 1/22

4:03 pm-9:40 am

1 stop33h 37m

London Heathrow

Tue 1/27

2:30 pm-11:52 am

1 stop29h 22m

$607

SacramentoLondon

SMF - LHR

SMFLHR

Sacramento Intl

Sat 5/9

4:05 pm-11:50 am

2 stops35h 45m

London Heathrow

Thu 5/21

5:40 pm-8:45 pm

1 stop35h 05m

$612

SacramentoLondon

SMF - LHR

SMFLHR

Sacramento Intl

Tue 4/21

11:10 am-6:30 pm

3 stops23h 20m

London Heathrow

Tue 5/5

6:40 am-10:13 pm

2 stops23h 33m

$620

SacramentoLondon

SMF - LHR

SMFLHR

Sacramento Intl

Sat 3/21

11:06 pm-8:45 am

1 stop26h 39m

London Heathrow

Thu 4/2

10:50 am-7:16 pm

1 stop16h 26m

$626

SacramentoLondon

SMF - LHR

SMFLHR

Sacramento Intl

Thu 1/29

8:30 pm-7:25 am

1 stop26h 55m

London Heathrow

Sun 2/15

2:30 pm-11:52 am

1 stop29h 22m

$627

SacramentoLondon

SMF - LHR

SMFLHR

Sacramento Intl

Wed 4/15

8:26 am-2:25 pm

1 stop21h 59m

$222

SacramentoLondon

SMF - LHR

SMFLHR

Sacramento Intl

Mon 4/27

6:20 am-8:05 am

1 stop17h 45m

$222

SacramentoLondon

SMF - LHR

SMFLHR

Sacramento Intl

Tue 4/21

8:26 am-6:20 am

1 stop13h 54m

$222

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/2

Showing 1-10 of 17 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 December.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy2 starsTrust Score*3 stars
OvagoPrice Accuracy2 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 eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Sacramento-London Heathrow Airport flight deals on Cheapflights vs. eDreams >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 eDreams the most. eDreams 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 November 28, 2025.

Booking 14 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 $497). Flying from Sacramento to London Heathrow Airport in June is currently the most expensive (average of $807). 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 December 4, 2025.

It’s typically best to fly out from Sacramento to London Heathrow Airport at noon. Doing so could potentially save you 16% 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.

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 December 4, 2025.
Get a feel of what it's like to fly with Delta, Virgin Atlantic, and United Airlines from Sacramento to London Heathrow Airport by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
8,010 reviews

Food

7.3

Overall

7.9

Crew

8.5

Entertainment

7.9

Boarding

8.1

Comfort

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
7.9
Good
8,010 reviews
Delta
7.9
Good
8,010 reviews

Food

7.3

Overall

7.9

Crew

8.5

Entertainment

7.9

Boarding

8.1

Comfort

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.
Virgin Atlantic
7.5
Good
675 reviews
Delta
7.9
Good
8,010 reviews

Food

7.3

Overall

7.9

Crew

8.5

Entertainment

7.9

Boarding

8.1

Comfort

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
9,066 reviews
Delta
7.9
Good
8,010 reviews

Food

7.3

Overall

7.9

Crew

8.5

Entertainment

7.9

Boarding

8.1

Comfort

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.
American Airlines
7.2
Good
11,044 reviews
Delta
7.9
Good
8,010 reviews

Food

7.3

Overall

7.9

Crew

8.5

Entertainment

7.9

Boarding

8.1

Comfort

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.
British Airways
6.7
Okay
7,562 reviews
Delta
7.9
Good
8,010 reviews

Food

7.3

Overall

7.9

Crew

8.5

Entertainment

7.9

Boarding

8.1

Comfort

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 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.

  • How long is the flight from Sacramento to London Heathrow Airport?

    Scandinavian Airlines and United Airlines can get you from Sacramento to London Heathrow Airport in just under 21h 43m. Your travel time can differ by up to 5h 13m. The distance from Sacramento to London Heathrow Airport is about 5265 mi. This flight may include one or multiple stops.

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

    Currently priced at $607, Virgin Atlantic will fly you from Sacramento to London Heathrow Airport and back. In addition to Virgin Atlantic, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Air Canada and Delta - these airlines can fly you to your destination from $615 and $649, respectively. Virgin Atlantic is 37% 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 $368. United Airlines flights start at $442 while deals on Delta start at $472 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, October is the cheapest month in which you can book a flight from Sacramento to London Heathrow Airport (average of $497). Flying from Sacramento to London Heathrow Airport in June is currently the most expensive (average of $807). 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 London Heathrow Airport?

Book flights to London Heathrow Airport if you plan to visit one of these locations
Ilford
Hounslow
Hayes
Southend-on-Sea
Harrow
Eastleigh
Dartford
Dover
Winchester
Croydon
Orpington
Northampton
Watford
Borehamwood
Broadway
Aylesbury
Chipping Norton
Kingston upon Thames
Wembley
Folkestone

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Alternative routes for Sacramento to Heathrow

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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 December 4, 2025.
AirlineCheapestAverageFlexibilityOn-time
Virgin AtlanticCheapest$607Average$910FlexibilityNo cancel feeOn-time72%
Air CanadaCheapest$615Average$1,029FlexibilityNo cancel feeOn-time67%
DeltaCheapest$649Average$987FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$680Average$992FlexibilityNo cancel feeOn-time69%
Scandinavian AirlinesCheapest$683Average$786FlexibilityNo cancel feeOn-time77%
British AirwaysCheapest$697Average$995FlexibilityNo cancel feeOn-time70%
American AirlinesCheapest$700Average$953FlexibilityNo cancel feeOn-time71%
JetBlueCheapest$743Average$1,058FlexibilityNo cancel feeOn-time62%
IberiaCheapest$825Average$1,054FlexibilityNo cancel feeOn-time77%

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