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Heathrow

$284+ 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 8/18. Fares are subject to change and may not be available on all flights or dates of travel.
SMF — LHR
Jul 7 — Jul 141
Mon 7/7
Mon 7/14
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 68 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 July 2, 2025.

Round-trip from

$808
(Gotogate)

One-way from

$284
(Mytrip)

Popular in

June

Cheapest in

October

Average price

$1,143
From Sacramento Intl to London Heathrow
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One-way flight from Sacramento Intl to London Heathrow
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Highest demand for flights based on searches. 19% potential increase in price ($235 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($41 potential savings vs. average RT price).
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Average for round-trip flights in July 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 July 2, 2025.

This Gotogate deal was found by Cheapflights users on 7/2. 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.
Thu 9/44:05 pmSMF - LHR
2 stops30h 25mMultiple Airlines
Sat 9/208:30 amLHR - SMF
2 stops21h 19mMultiple Airlines
Deal found 7/2$808
This Expedia deal was found by Cheapflights users on 7/2. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/186:48 pmSMF - LHR
1 stop29h 12mBritish Airways
Thu 9/253:10 pmLHR - SMF
1 stop15h 28mBritish Airways
Deal found 7/2$809
This United Airlines deal was found by Cheapflights users on 7/2. 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 9/1710:05 amSMF - LHR
1 stop16h 20mUnited Airlines
Tue 9/239:30 amLHR - SMF
2 stops34h 17mUnited Airlines
Deal found 7/2$810
This Lufthansa deal was found by Cheapflights users on 7/2. 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/510:59 amSMF - LHR
2 stops17h 51mLufthansa
Sat 8/237:25 amLHR - SMF
2 stops18h 04mLufthansa
Deal found 7/2$812
This Iberia deal was found by Cheapflights users on 7/1. 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.
Mon 7/287:17 amSMF - LHR
1 stop17h 43mIberia
Thu 8/76:10 amLHR - SMF
2 stops22h 31mIberia
Deal found 7/1$814
This JetBlue deal was found by Cheapflights users on 7/2. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/3011:08 pmSMF - LHR
1 stop13h 37mJetBlue
Thu 8/78:25 amLHR - SMF
1 stop20h 13mJetBlue
Deal found 7/2$818
This Air Canada deal was found by Cheapflights users on 6/30. 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.
Wed 9/179:00 amSMF - LHR
2 stops16h 35mAir Canada
Tue 9/232:05 pmLHR - SMF
2 stops33h 09mAir Canada
Deal found 6/30$819
This Scandinavian Airlines deal was found by Cheapflights users on 7/2. 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 Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/47:00 amSMF - LHR
2 stops42h 20mScandinavian Airlines
Sat 9/206:40 amLHR - SMF
2 stops24h 36mScandinavian Airlines
Deal found 7/2$822
This Finnair deal was found by Cheapflights users on 6/30. 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/52:32 pmSMF - LHR
1 stop14h 13mFinnair
Sun 9/148:20 amLHR - SMF
1 stop18h 14mFinnair
Deal found 6/30$853
This Delta deal was found by Cheapflights users on 6/30. 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.
Wed 7/3012:20 pmSMF - LHR
2 stops17h 10mDelta
Wed 8/1311:30 amLHR - SMF
2 stops18h 29mDelta
Deal found 6/30$879

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 July 2, 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 9/4

4:05 pm-6:30 am

2 stops30h 25m

London Heathrow

Sat 9/20

8:30 am-9:49 pm

2 stops21h 19m

$808

SacramentoLondon

SMF - LHR

SMFLHR

Sacramento Intl

Thu 9/18

6:48 pm-8:00 am

1 stop29h 12m

London Heathrow

Thu 9/25

3:10 pm-10:38 pm

1 stop15h 28m

$809

SacramentoLondon

SMF - LHR

SMFLHR

Sacramento Intl

Wed 9/17

10:05 am-10:25 am

1 stop16h 20m

London Heathrow

Tue 9/23

9:30 am-11:47 am

2 stops34h 17m

$810

SacramentoLondon

SMF - LHR

SMFLHR

Sacramento Intl

Tue 8/5

10:59 am-12:50 pm

2 stops17h 51m

London Heathrow

Sat 8/23

7:25 am-5:29 pm

2 stops18h 04m

$812

SacramentoLondon

SMF - LHR

SMFLHR

Sacramento Intl

Mon 7/28

7:17 am-9:00 am

1 stop17h 43m

London Heathrow

Thu 8/7

6:10 am-8:41 pm

2 stops22h 31m

$814

SacramentoLondon

SMF - LHR

SMFLHR

Sacramento Intl

Wed 7/30

11:08 pm-8:45 pm

1 stop13h 37m

London Heathrow

Thu 8/7

8:25 am-8:38 pm

1 stop20h 13m

$818

SacramentoLondon

SMF - LHR

SMFLHR

Sacramento Intl

Wed 9/17

9:00 am-9:35 am

2 stops16h 35m

London Heathrow

Tue 9/23

2:05 pm-3:14 pm

2 stops33h 09m

$819

SacramentoLondon

SMF - LHR

SMFLHR

Sacramento Intl

Thu 9/4

7:00 am-9:20 am

2 stops42h 20m

London Heathrow

Sat 9/20

6:40 am-11:16 pm

2 stops24h 36m

$822

SacramentoLondon

SMF - LHR

SMFLHR

Sacramento Intl

Fri 9/5

2:32 pm-12:45 pm

1 stop14h 13m

London Heathrow

Sun 9/14

8:20 am-6:34 pm

1 stop18h 14m

$853

SacramentoLondon

SMF - LHR

SMFLHR

Sacramento Intl

Wed 7/30

12:20 pm-1:30 pm

2 stops17h 10m

London Heathrow

Wed 8/13

11:30 am-9:59 pm

2 stops18h 29m

$879

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/30

Showing 1-10 of 13 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 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 June 27, 2025.

Booking 68 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 $1,098). 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 July 2, 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.

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 July 2, 2025.
Get a feel of what it's like to fly with Delta, Finnair, 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
8.0
Very good
7,983 reviews

Food

7.3

Overall

8.0

Comfort

7.9

Entertainment

7.9

Crew

8.5

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
7,983 reviews
Delta
8.0
Very good
7,983 reviews

Food

7.3

Overall

8.0

Comfort

7.9

Entertainment

7.9

Crew

8.5

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
1,301 reviews
Delta
8.0
Very good
7,983 reviews

Food

7.3

Overall

8.0

Comfort

7.9

Entertainment

7.9

Crew

8.5

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
8,861 reviews
Delta
8.0
Very good
7,983 reviews

Food

7.3

Overall

8.0

Comfort

7.9

Entertainment

7.9

Crew

8.5

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
2,918 reviews
Delta
8.0
Very good
7,983 reviews

Food

7.3

Overall

8.0

Comfort

7.9

Entertainment

7.9

Crew

8.5

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.
Scandinavian Airlines
7.3
Good
1,415 reviews
Delta
8.0
Very good
7,983 reviews

Food

7.3

Overall

8.0

Comfort

7.9

Entertainment

7.9

Crew

8.5

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. 11 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 $809, British Airways will fly you from Sacramento to London Heathrow Airport and back. In addition to British Airways, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from United Airlines and Iberia - these airlines can fly you to your destination from $810 and $814, respectively. British Airways is 17% cheaper than the average price of flights available within the next 90 days to this destination.

  • 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 $1,098). 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
Hounslow
Hayes
Thornton Heath
Canterbury
Harrow
Dover
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Gatwick
Orpington
Watford
Northampton
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Swindon

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Alternative routes for Sacramento to Heathrow

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Top 10 airlines flying from Sacramento to Heathrow

Discover the top 10 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 July 2, 2025.
AirlineCheapestAverageFlexibilityOn-time
KLMCheapest$578Average$943FlexibilityNo cancel feeOn-time75%
Air CanadaCheapest$643Average$965FlexibilityNo cancel feeOn-time67%
British AirwaysCheapest$647Average$893FlexibilityNo cancel feeOn-time70%
Scandinavian AirlinesCheapest$683Average$770FlexibilityNo cancel feeOn-time77%
DeltaCheapest$702Average$980FlexibilityNo cancel feeOn-timeN/A
Virgin AtlanticCheapest$702Average$1,018FlexibilityNo cancel feeOn-time72%
United AirlinesCheapest$703Average$965FlexibilityNo cancel feeOn-time69%
JetBlueCheapest$738Average$961FlexibilityNo cancel feeOn-time62%
American AirlinesCheapest$751Average$960FlexibilityNo cancel feeOn-time71%
IberiaCheapest$889Average$1,257FlexibilityNo cancel feeOn-time77%

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