HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Heathrow

$358+ 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 11/18. Fares are subject to change and may not be available on all flights or dates of travel.
SMF — LHR
Nov 19 — Nov 261
Wed 11/19
Wed 11/26
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Sacramento to Heathrow with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

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

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 October 20, 2025.

This KLM deal was found by Cheapflights users on 10/18. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/1911:41 amSMF - LHR
1 stop13h 14mKLM
Tue 11/46:30 amLHR - SMF
2 stops17h 29mKLM
Deal found 10/18$586
This Gotogate deal was found by Cheapflights users on 10/18. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/194:05 pmSMF - LHR
2 stops35h 45mAir Canada
Tue 11/43:00 pmLHR - SMF
2 stops32h 17mAir Canada
Deal found 10/18$588
This Delta deal was found by Cheapflights users on 10/17. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/21:30 pmSMF - LHR
1 stop12h 30mDelta
Wed 12/108:55 amLHR - SMF
2 stops21h 15mDelta
Deal found 10/17$592
This KLM deal was found by Cheapflights users on 10/18. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/1212:22 pmSMF - LHR
1 stop15h 18mKLM
Thu 11/276:30 amLHR - SMF
2 stops20h 03mKLM
Deal found 10/18$594
This Delta deal was found by Cheapflights users on 10/19. 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.
Mon 10/271:30 pmSMF - LHR
2 stops15h 10mDelta
Tue 11/118:55 amLHR - SMF
2 stops18h 43mDelta
Deal found 10/19$598
This Delta deal was found by Cheapflights users on 10/18. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/122:34 pmSMF - LHR
1 stop18h 16mDelta
Thu 11/2712:20 pmLHR - SMF
1 stop14h 13mDelta
Deal found 10/18$600
This Delta deal was found by Cheapflights users on 10/18. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/127:00 amSMF - LHR
1 stop15h 25mDelta
Fri 11/2112:20 pmLHR - SMF
1 stop14h 04mDelta
Deal found 10/18$601
This Scandinavian Airlines deal was found by Cheapflights users on 10/17. 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 Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/132:34 pmSMF - LHR
2 stops19h 06mScandinavian Airlines
Thu 11/206:40 amLHR - SMF
2 stops23h 38mScandinavian Airlines
Deal found 10/17$602

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 October 20, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$592
(Delta)

One-way from

$358
(Kiwi.com)

Popular in

June

Cheapest in

October

Average price

$782
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 ($209 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($39 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in October 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 October 20, 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

Wed 11/12

7:00 am-6:25 am

1 stop15h 25m

London Heathrow

Tue 11/18

9:00 am-7:38 pm

2 stops18h 38m

$593

SacramentoLondon

SMF - LHR

SMFLHR

Sacramento Intl

Mon 12/1

7:04 pm-4:50 pm

1 stop13h 46m

London Heathrow

Fri 12/12

8:40 am-8:42 pm

2 stops20h 02m

$594

SacramentoLondon

SMF - LHR

SMFLHR

Sacramento Intl

Wed 11/12

12:22 pm-11:40 am

1 stop15h 18m

London Heathrow

Thu 11/27

6:30 am-6:33 pm

2 stops20h 03m

$594

SacramentoLondon

SMF - LHR

SMFLHR

Sacramento Intl

Wed 11/12

11:51 am-8:45 am

1 stop12h 54m

London Heathrow

Tue 11/18

10:45 am-4:21 pm

1 stop13h 36m

$601

SacramentoLondon

SMF - LHR

SMFLHR

Sacramento Intl

Tue 12/2

11:29 am-10:30 am

1 stop15h 01m

London Heathrow

Wed 12/10

12:20 pm-6:25 pm

1 stop14h 05m

$601

SacramentoLondon

SMF - LHR

SMFLHR

Sacramento Intl

Wed 11/12

12:22 pm-11:40 am

1 stop15h 18m

London Heathrow

Wed 11/19

10:45 am-6:25 pm

1 stop15h 40m

$601

SacramentoLondon

SMF - LHR

SMFLHR

Sacramento Intl

Tue 11/18

8:49 am-9:40 am

1 stop16h 51m

$399

SacramentoLondon

SMF - LHR

SMFLHR

Sacramento Intl

Mon 4/13

8:00 pm-12:05 pm

2 stops32h 05m

$400

SacramentoLondon

SMF - LHR

SMFLHR

Sacramento Intl

Thu 2/12

6:20 am-6:50 am

1 stop16h 30m

$443

SacramentoLondon

SMF - LHR

SMFLHR

Sacramento Intl

Mon 4/13

4:05 pm-1:20 pm

1 stop13h 15m

$463

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/18

Showing 1-10 of 15 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 October.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy3 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 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 October 17, 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 $508). Flying from Sacramento to London Heathrow Airport in June is currently the most expensive (average of $802). 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 October 20, 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.

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 October 20, 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
7,977 reviews

Comfort

7.9

Entertainment

7.9

Food

7.3

Overall

7.9

Boarding

8.2

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
7,977 reviews
Delta
7.9
Good
7,977 reviews

Comfort

7.9

Entertainment

7.9

Food

7.3

Overall

7.9

Boarding

8.2

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
670 reviews
Delta
7.9
Good
7,977 reviews

Comfort

7.9

Entertainment

7.9

Food

7.3

Overall

7.9

Boarding

8.2

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
8,993 reviews
Delta
7.9
Good
7,977 reviews

Comfort

7.9

Entertainment

7.9

Food

7.3

Overall

7.9

Boarding

8.2

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
7.2
Good
11,026 reviews
Delta
7.9
Good
7,977 reviews

Comfort

7.9

Entertainment

7.9

Food

7.3

Overall

7.9

Boarding

8.2

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
7,461 reviews
Delta
7.9
Good
7,977 reviews

Comfort

7.9

Entertainment

7.9

Food

7.3

Overall

7.9

Boarding

8.2

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?

    Delta, Virgin Atlantic, and KLM can get you from Sacramento to London Heathrow Airport in just under 13h 46m. Your travel time can differ by up to 1h 39m. 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 $615, Air Canada will fly you from Sacramento to London Heathrow Airport and back. In addition to Air Canada, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Virgin Atlantic and Scandinavian Airlines - these airlines can fly you to your destination from $674 and $683, respectively. Air Canada is 37% 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, October is the cheapest month in which you can book a flight from Sacramento to London Heathrow Airport (average of $508). Flying from Sacramento to London Heathrow Airport in June is currently the most expensive (average of $802). 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
Hounslow
Hayes
Ilford
Southend-on-Sea
Harrow
Canterbury
Croydon
Eastleigh
Dartford
Dover
Winchester
Orpington
Northampton
Gatwick
Borehamwood
Broadway
Aylesbury
Bedford
Chipping Norton
Wembley

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.

Alternative routes for Sacramento to Heathrow

See prices for flight routes from nearby airports that may be better suited for you.
Los Angeles to Heathrow flights
San Francisco to Heathrow flights
Los Angeles to Gatwick flights
Los Angeles to London City flights
San Francisco to Gatwick flights
San Francisco to London City flights
San Diego to Heathrow flights
Los Angeles to Stansted flights
Ontario to Heathrow flights
Los Angeles to Luton flights
San Francisco to Stansted flights
San Francisco to Luton flights
Santa Ana to Heathrow flights
Las Vegas to Heathrow flights
San Diego to Gatwick flights
San Jose to Heathrow flights
San Diego to London City flights
Las Vegas to Gatwick flights
Las Vegas to London City flights
Ontario to Gatwick flights
Oakland to Heathrow flights
Palm Springs to Heathrow flights
Sacramento to Gatwick flights
Las Vegas to Stansted flights
Burbank to Heathrow flights
San Diego to Stansted flights
San Jose to Gatwick flights
Santa Ana to London City flights
Santa Ana to Gatwick flights
Reno to Heathrow flights
Oakland to Gatwick flights
Santa Barbara to Heathrow flights
Palm Springs to London City flights
Sacramento to London City flights
Fresno to Heathrow flights
Long Beach to Heathrow flights
Reno to Gatwick flights
San Francisco to Southend flights
Ontario to London City flights
Santa Rosa to Heathrow flights
Medford to Heathrow flights
Los Angeles to Southend flights
Palm Springs to Gatwick flights
San Jose to London City flights
Las Vegas to Luton flights
San Luis Obispo to Heathrow flights
Reno to London City flights
Burbank to Gatwick flights
Medford to Gatwick flights

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 October 20, 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$615Average$1,029FlexibilityNo cancel feeOn-time67%
Virgin AtlanticCheapest$674Average$994FlexibilityNo cancel feeOn-time72%
Scandinavian AirlinesCheapest$683Average$781FlexibilityNo cancel feeOn-time77%
British AirwaysCheapest$697Average$996FlexibilityNo cancel feeOn-time70%
American AirlinesCheapest$702Average$906FlexibilityNo cancel feeOn-time71%
DeltaCheapest$702Average$1,043FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$702Average$980FlexibilityNo cancel feeOn-time69%
JetBlueCheapest$743Average$1,058FlexibilityNo cancel feeOn-time62%
IberiaCheapest$825Average$1,054FlexibilityNo cancel feeOn-time77%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.