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$335+ 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 4/24. Fares are subject to change and may not be available on all flights or dates of travel.
SMF — LHR
Apr 19 — Apr 261
Sun 4/19
Sun 4/26
1 adult, Economy
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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 March 20, 2026.

This FlightHub deal was found by Cheapflights users on 3/15. 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.
Wed 10/212:15 pm
SMF
-
LHR
2 stops19h 25m
Scandinavian Airlines
Tue 11/1710:20 am
LHR
-
SMF
2 stops19h 56m
Scandinavian Airlines
Deal found 3/15$727
This FlightHub deal was found by Cheapflights users on 3/17. 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 9/811:10 am
SMF
-
LHR
2 stops22h 30m
Scandinavian Airlines
Tue 9/1510:20 am
LHR
-
SMF
2 stops19h 53m
Scandinavian Airlines
Deal found 3/17$742
This Expedia deal was found by Cheapflights users on 3/15. 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.
Sun 9/611:10 am
SMF
-
LHR
2 stops22h 30m
Scandinavian Airlines
Sun 9/137:30 pm
LHR
-
SMF
2 stops34h 43m
Scandinavian Airlines
Deal found 3/15$749
This Cheapflightsfares deal was found by Cheapflights users on 3/16. 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.
Mon 8/1011:46 am
SMF
-
LHR
2 stops16h 54m
Lufthansa
Wed 8/266:55 am
LHR
-
SMF
2 stops22h 17m
Lufthansa
Deal found 3/16$750
This KAYAK deal was found by Cheapflights users on 3/17. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/2311:29 am
SMF
-
LHR
2 stops44h 31m
Scandinavian Airlines
Mon 5/47:30 pm
LHR
-
SMF
2 stops35h 21m
Scandinavian Airlines
Deal found 3/17$759
This Cheapflightsfares deal was found by Cheapflights users on 3/15. 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.
Tue 9/12:12 pm
SMF
-
LHR
2 stops19h 28m
Lufthansa
Thu 9/106:30 am
LHR
-
SMF
2 stops23h 52m
Lufthansa
Deal found 3/15$760
This KAYAK deal was found by Cheapflights users on 3/15. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/811:55 am
SMF
-
LHR
2 stops22h 35m
Scandinavian Airlines
Wed 9/167:30 pm
LHR
-
SMF
2 stops34h 43m
Scandinavian Airlines
Deal found 3/15$761
This Iberia deal was found by Cheapflights users on 3/15. 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.
Wed 10/212:34 pm
SMF
-
LHR
1 stop15h 51m
Iberia
Tue 11/176:05 am
LHR
-
SMF
2 stops25h 13m
Iberia
Deal found 3/15$769
This Cheapflightsfares deal was found by Cheapflights users on 3/18. 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.
Fri 8/211:00 pm
SMF
-
LHR
2 stops21h 40m
Lufthansa
Sun 8/237:25 am
LHR
-
SMF
2 stops23h 30m
Lufthansa
Deal found 3/18$770

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 March 20, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$740
(Cheapflightsfares)

One-way from

$335
(Kiwi.com)

Popular in

June

Cheapest in

March

Average price

$731
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. 18% potential increase in price ($196 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($43 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 2026
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 March 20, 2026.
Use the filters below to find and compare flights from Sacramento to London Heathrow Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

SacramentoLondon

SMF - LHR

SMFLHR

Sacramento Intl

Tue 8/4

2:24 pm-6:45 am

1 stop32h 21m

London Heathrow

Fri 8/14

3:05 pm-5:23 pm

1 stop34h 18m

$816

SacramentoLondon

SMF - LHR

SMFLHR

Sacramento Intl

Tue 9/1

9:00 am-12:20 pm

1 stop19h 20m

London Heathrow

Tue 9/8

10:50 am-11:56 pm

2 stops21h 06m

$822

SacramentoLondon

SMF - LHR

SMFLHR

Sacramento Intl

Tue 4/14

6:00 am-8:05 am

1 stop18h 05m

London Heathrow

Tue 4/21

6:10 am-7:40 pm

2 stops21h 30m

$842

SacramentoLondon

SMF - LHR

SMFLHR

Sacramento Intl

Tue 8/25

6:30 pm-12:20 pm

1 stop33h 50m

London Heathrow

Mon 9/14

3:05 pm-5:21 pm

1 stop34h 16m

$879

SacramentoLondon

SMF - LHR

SMFLHR

Sacramento Intl

Tue 4/21

8:07 pm-10:10 am

2 stops30h 03m

London Heathrow

Thu 5/14

3:00 pm-5:15 pm

1 stop34h 15m

$898
Quickest round-trip

SacramentoLondon

SMF - LHR

SMFLHR

Sacramento Intl

Mon 4/13

1:00 pm-1:20 pm

1 stop16h 20m

London Heathrow

Mon 4/20

2:50 pm-8:56 pm

1 stop14h 06m

$908

SacramentoLondon

SMF - LHR

SMFLHR

Sacramento Intl

Tue 4/21

2:42 pm-9:35 pm

3 stops22h 53m

London Heathrow

Tue 5/5

6:40 am-10:51 pm

3 stops24h 11m

$956

SacramentoLondon

SMF - LHR

SMFLHR

Sacramento Intl

Wed 4/8

8:00 am-10:10 am

1 stop18h 10m

London Heathrow

Tue 4/14

2:50 pm-8:56 pm

1 stop14h 06m

$977

SacramentoLondon

SMF - LHR

SMFLHR

Sacramento Intl

Fri 5/8

10:45 am-7:25 am

1 stop12h 40m

London Heathrow

Mon 5/11

8:40 am-7:35 pm

2 stops18h 55m

$985

SacramentoLondon

SMF - LHR

SMFLHR

Sacramento Intl

Mon 7/6

6:37 pm-9:40 am

1 stop31h 03m

London Heathrow

Fri 7/24

5:40 pm-9:10 pm

1 stop35h 30m

$1,024

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/17

Showing 1-10 of 19 resultsSorted by cheapest first
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 March.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
OvagoPrice Accuracy2 starsTrust Score*3 stars
AranGrantPrice Accuracy2 starsTrust Score*2 stars
GurufarePrice Accuracy3 starsTrust Score*3 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 FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Sacramento-London Heathrow Airport flight deals on Cheapflights vs. FlightHub >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 FlightHub the most. FlightHub 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 March 13, 2026.

Booking 18 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 $696). 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.

How much does it cost to fly round-trip from Sacramento to London Heathrow Airport?

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 March 20, 2026.
Get a feel of what it's like to fly with Delta,Virgin Atlantic, andUnited 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
8,306 reviews

Comfort

7.9

Food

7.2

Entertainment

7.8

Overall

7.9

Boarding

8.1

Crew

8.5

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
8,306 reviews
Delta
7.9
Good
8,306 reviews

Comfort

7.9

Food

7.2

Entertainment

7.8

Overall

7.9

Boarding

8.1

Crew

8.5

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
682 reviews
Delta
7.9
Good
8,306 reviews

Comfort

7.9

Food

7.2

Entertainment

7.8

Overall

7.9

Boarding

8.1

Crew

8.5

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
9,454 reviews
Delta
7.9
Good
8,306 reviews

Comfort

7.9

Food

7.2

Entertainment

7.8

Overall

7.9

Boarding

8.1

Crew

8.5

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
7.1
Good
11,485 reviews
Delta
7.9
Good
8,306 reviews

Comfort

7.9

Food

7.2

Entertainment

7.8

Overall

7.9

Boarding

8.1

Crew

8.5

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
7,804 reviews
Delta
7.9
Good
8,306 reviews

Comfort

7.9

Food

7.2

Entertainment

7.8

Overall

7.9

Boarding

8.1

Crew

8.5

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?

    United Airlines and Scandinavian Airlines can get you from Sacramento to London Heathrow Airport in just under 18h 58m. Your travel time can differ by up to 13h 23m. 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 $599, 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 Lufthansa - these airlines can fly you to your destination from $615 and $624, respectively. Virgin Atlantic is 32% 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 American Airlines, which is currently one of the cheapest options available, starting at $222. Delta flights start at $222 while deals on British Airways start at $272 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 $696). 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
Croydon
Gatwick
Southend-on-Sea
Harrow
Eastleigh
Dartford
Dover
Winchester
Orpington
Watford
Northampton
Borehamwood
Broadway
Aylesbury
Chipping Norton
Hayes
Kingston upon Thames
Eastbourne

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

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 March 20, 2026.
AirlineCheapestAverageFlexibilityOn-time
Virgin AtlanticCheapest$599Average$896FlexibilityNo cancel feeOn-time72%
Air CanadaCheapest$615Average$965FlexibilityNo cancel feeOn-time67%
LufthansaCheapest$624Average$927FlexibilityNo cancel feeOn-time76%
United AirlinesCheapest$624Average$896FlexibilityNo cancel feeOn-time69%
DeltaCheapest$625Average$956FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$678Average$969FlexibilityNo cancel feeOn-time71%
British AirwaysCheapest$679Average$982FlexibilityNo cancel feeOn-time70%
Scandinavian AirlinesCheapest$729Average$942FlexibilityNo cancel feeOn-time77%
JetBlueCheapest$743Average$1,005FlexibilityNo cancel feeOn-time62%

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