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$328+ 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 9/28. Fares are subject to change and may not be available on all flights or dates of travel.
SMF — LHR
Jun 16 — Jun 231
Tue 6/16
Tue 6/23
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 May 17, 2026.

This United Airlines deal was found by Cheapflights users on 5/13. 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 11/103:53 pm
SMF
-
LHR
1 stop31h 32m
United Airlines
Tue 12/12:30 pm
LHR
-
SMF
1 stop32h 52m
United Airlines
Deal found 5/13$920
This Iberia deal was found by Cheapflights users on 5/13. 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.
Thu 10/2211:00 am
SMF
-
LHR
1 stop17h 50m
Iberia
Tue 11/37:30 am
LHR
-
SMF
2 stops23h 48m
Iberia
Deal found 5/13$923
This Delta deal was found by Cheapflights users on 5/13. 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 9/286:00 am
SMF
-
LHR
1 stop20h 00m
Delta
Mon 10/126:30 am
LHR
-
SMF
2 stops17h 57m
Delta
Deal found 5/13$927
This Delta deal was found by Cheapflights users on 5/12. 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 8/195:28 pm
SMF
-
LHR
1 stop14h 07m
Delta
Sun 8/236:30 am
LHR
-
SMF
2 stops19h 37m
Delta
Deal found 5/12$928
This Cheapflightsfares deal was found by Cheapflights users on 5/12. 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 9/176:50 pm
SMF
-
LHR
2 stops19h 50m
Lufthansa
Wed 9/236:30 am
LHR
-
SMF
2 stops23h 52m
Lufthansa
Deal found 5/12$930
This Expedia deal was found by Cheapflights users on 5/12. 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.
Mon 8/36:47 pm
SMF
-
LHR
1 stop14h 48m
Virgin Atlantic
Tue 9/159:55 am
LHR
-
SMF
1 stop16h 38m
Virgin Atlantic
Deal found 5/12$931
This Delta deal was found by Cheapflights users on 5/12. 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.
Thu 8/136:00 am
SMF
-
LHR
2 stops16h 25m
Delta
Wed 8/196:30 am
LHR
-
SMF
2 stops19h 37m
Delta
Deal found 5/12$932
This United Airlines deal was found by Cheapflights users on 5/11. 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.
Mon 9/286:10 am
SMF
-
LHR
1 stop24h 00m
United Airlines
Sun 10/113:05 pm
LHR
-
SMF
1 stop34h 16m
United Airlines
Deal found 5/11$933
This United Airlines deal was found by Cheapflights users on 5/13. 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.
Mon 9/286:10 am
SMF
-
LHR
1 stop24h 00m
United Airlines
Mon 10/123:05 pm
LHR
-
SMF
1 stop34h 16m
United Airlines
Deal found 5/13$934
This Delta deal was found by Cheapflights users on 5/12. 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 8/181:40 pm
SMF
-
LHR
1 stop13h 20m
Delta
Sat 8/228:55 am
LHR
-
SMF
2 stops19h 34m
Delta
Deal found 5/12$935
This Delta deal was found by Cheapflights users on 5/13. 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 8/511:21 am
SMF
-
LHR
1 stop19h 39m
Delta
Wed 8/196:30 am
LHR
-
SMF
2 stops20h 29m
Delta
Deal found 5/13$937
This Cheapflightsfares deal was found by Cheapflights users on 5/13. 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.
Wed 8/57:03 pm
SMF
-
LHR
2 stops16h 37m
Lufthansa
Wed 8/198:25 pm
LHR
-
SMF
2 stops29h 10m
Lufthansa
Deal found 5/13$939

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 May 17, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$920
(United Airlines)

One-way from

$328
(KAYAK)

Popular in

June

Cheapest in

March

Average price

$933
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. 19% potential increase in price ($216 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($45 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in May 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 May 17, 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

Mon 11/9

2:15 pm-4:50 pm

1 stop18h 35m

London Heathrow

Sat 11/14

8:40 am-10:55 pm

2 stops22h 15m

$927

SacramentoLondon

SMF - LHR

SMFLHR

Sacramento Intl

Thu 10/8

7:18 pm-5:35 pm

1 stop14h 17m

London Heathrow

Tue 10/13

6:30 am-6:10 pm

2 stops19h 40m

$927

SacramentoLondon

SMF - LHR

SMFLHR

Sacramento Intl

Wed 11/11

12:25 pm-11:40 am

1 stop15h 15m

London Heathrow

Sun 11/15

6:30 am-8:23 pm

2 stops21h 53m

$927

SacramentoLondon

SMF - LHR

SMFLHR

Sacramento Intl

Tue 11/10

6:00 am-10:00 am

1 stop20h 00m

London Heathrow

Sun 11/15

8:40 am-8:23 pm

2 stops19h 43m

$927

SacramentoLondon

SMF - LHR

SMFLHR

Sacramento Intl

Wed 8/5

10:50 am-12:35 pm

1 stop17h 45m

London Heathrow

Wed 8/19

3:05 pm-5:23 pm

1 stop34h 18m

$955

SacramentoLondon

SMF - LHR

SMFLHR

Sacramento Intl

Mon 11/9

9:45 am-10:00 am

1 stop16h 15m

London Heathrow

Mon 11/16

10:45 am-10:55 pm

1 stop20h 10m

$956
Quickest round-trip

SacramentoLondon

SMF - LHR

SMFLHR

Sacramento Intl

Tue 8/4

10:50 am-11:55 am

2 stops17h 05m

London Heathrow

Fri 8/14

2:50 pm-10:00 pm

1 stop15h 10m

$995

SacramentoLondon

SMF - LHR

SMFLHR

Sacramento Intl

Tue 10/13

2:15 pm-9:35 pm

3 stops23h 20m

London Heathrow

Sun 11/8

6:40 am-10:55 pm

2 stops24h 15m

$1,007

SacramentoLondon

SMF - LHR

SMFLHR

Sacramento Intl

Tue 7/14

11:46 am-11:10 am

1 stop15h 24m

London Heathrow

Tue 7/21

8:00 am-6:43 pm

1 stop18h 43m

$1,095

SacramentoLondon

SMF - LHR

SMFLHR

Sacramento Intl

Thu 8/20

2:10 pm-5:40 pm

2 stops19h 30m

London Heathrow

Mon 8/24

7:05 am-11:06 pm

3 stops24h 01m

$1,106

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/13

Showing 1-10 of 22 resultsSorted by cheapest first
1
2
3

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 May.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
OvagoPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy3 starsTrust Score*3 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?

Booking 31 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, March is the cheapest month in which you can book a flight from Sacramento to London Heathrow Airport (average of $666). Flying from Sacramento to London Heathrow Airport in June is currently the most expensive (average of $1,387). 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 May 17, 2026.
Get a feel of what it's like to fly with Delta,United Airlines, andVirgin Atlantic 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
8,449 reviews

Food

7.2

Overall

7.9

Entertainment

7.8

Comfort

7.8

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
8,449 reviews
Delta
7.9
Good
8,449 reviews

Food

7.2

Overall

7.9

Entertainment

7.8

Comfort

7.8

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
9,731 reviews
Delta
7.9
Good
8,449 reviews

Food

7.2

Overall

7.9

Entertainment

7.8

Comfort

7.8

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
7.4
Good
688 reviews
Delta
7.9
Good
8,449 reviews

Food

7.2

Overall

7.9

Entertainment

7.8

Comfort

7.8

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
11,654 reviews
Delta
7.9
Good
8,449 reviews

Food

7.2

Overall

7.9

Entertainment

7.8

Comfort

7.8

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
7,985 reviews
Delta
7.9
Good
8,449 reviews

Food

7.2

Overall

7.9

Entertainment

7.8

Comfort

7.8

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. 7 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 and United Airlines can get you from Sacramento to London Heathrow Airport in just under 17h 45m. Your travel time can differ by up to 50m. 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 $530, JetBlue will fly you from Sacramento to London Heathrow Airport and back. In addition to JetBlue, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Virgin Atlantic and Lufthansa - these airlines can fly you to your destination from $599 and $624, respectively. JetBlue is 41% 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 $223 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, March is the cheapest month in which you can book a flight from Sacramento to London Heathrow Airport (average of $666). Flying from Sacramento to London Heathrow Airport in June is currently the most expensive (average of $1,387). 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
Winchester
Croydon
Gatwick
Southend-on-Sea
Dorking
Harrow
Eastleigh
Dartford
Dover
Orpington
Watford
Northampton
Borehamwood
Broadway
Chipping Norton
Hayes
Kingston upon Thames
Eastbourne

Browse thousands of different options on Cheapflights for your next trip

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Top 7 airlines flying from Sacramento to Heathrow

Discover the top 7 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 May 17, 2026.
AirlineCheapestAverageFlexibilityOn-time
JetBlueCheapest$530Average$1,058FlexibilityNo cancel feeOn-time62%
Virgin AtlanticCheapest$599Average$900FlexibilityNo cancel feeOn-time72%
LufthansaCheapest$624Average$840FlexibilityNo cancel feeOn-time76%
United AirlinesCheapest$624Average$955FlexibilityNo cancel feeOn-time69%
British AirwaysCheapest$625Average$934FlexibilityNo cancel feeOn-time70%
DeltaCheapest$625Average$1,004FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$678Average$969FlexibilityNo cancel feeOn-time71%

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