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Heathrow

$397+ 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 6/7. Fares are subject to change and may not be available on all flights or dates of travel.
SMF — LHR
Apr 16 — Apr 231
Wed 4/16
Wed 4/23
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 21 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 April 11, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$682
(United Airlines)

One-way from

$397
(Kiwi.com)

Popular in

June

Cheapest in

October

Average price

$810
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 ($242 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($40 potential savings vs. average RT price).
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Average for round-trip flights in April 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 April 11, 2025.

This United Airlines deal was found by Cheapflights users on 4/10. 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 10/84:05 pmSMF - LHR
1 stop13h 15mUnited Airlines
Tue 10/282:30 pmLHR - SMF
2 stops39h 05mUnited Airlines
Deal found 4/10$678
This FlightHub deal was found by Cheapflights users on 4/10. 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 11/1211:10 amSMF - LHR
2 stops23h 20mScandinavian Airlines
Tue 11/186:40 amLHR - SMF
2 stops23h 34mScandinavian Airlines
Deal found 4/10$685
This Air Canada deal was found by Cheapflights users on 4/10. 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.
Sun 5/45:38 amSMF - LHR
2 stops16h 52mMultiple Airlines
Tue 5/137:30 pmLHR - SMF
2 stops27h 46mMultiple Airlines
Deal found 4/10$687
This Air Canada deal was found by Cheapflights users on 4/10. 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.
Tue 5/139:00 amSMF - LHR
2 stops17h 00mAir Canada
Tue 5/202:05 pmLHR - SMF
2 stops33h 11mAir Canada
Deal found 4/10$690
This JetBlue deal was found by Cheapflights users on 4/10. 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.
Fri 5/211:19 pmSMF - LHR
1 stop13h 26mJetBlue
Wed 5/78:25 amLHR - SMF
1 stop20h 15mJetBlue
Deal found 4/10$691
This StudentUniverse deal was found by Cheapflights users on 4/10. 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 StudentUniverse is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/47:56 amSMF - LHR
1 stop17h 04mFinnair
Tue 5/1312:00 pmLHR - SMF
1 stop15h 14mFinnair
Deal found 4/10$694
This Iberia deal was found by Cheapflights users on 4/10. 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 8/192:38 pmSMF - LHR
1 stop15h 47mIberia
Thu 8/2812:00 pmLHR - SMF
1 stop18h 10mIberia
Deal found 4/10$697
This Delta deal was found by Cheapflights users on 4/11. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/191:45 pmSMF - LHR
1 stop15h 25mDelta
Thu 8/286:30 amLHR - SMF
2 stops18h 55mDelta
Deal found 4/11$700
This KLM deal was found by Cheapflights users on 4/10. 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.
Tue 5/131:58 pmSMF - LHR
1 stop15h 12mKLM
Tue 5/2012:25 pmLHR - SMF
1 stop16h 04mKLM
Deal found 4/10$705
This Orbitz deal was found by Cheapflights users on 4/9. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/132:38 pmSMF - LHR
1 stop15h 47mBritish Airways
Mon 8/187:30 pmLHR - SMF
2 stops30h 39mBritish Airways
Deal found 4/9$708
This EaseMyTrip deal was found by Cheapflights users on 4/10. 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 EaseMyTrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/2312:25 pmSMF - LHR
1 stop34h 20mVirgin Atlantic
Sun 9/79:55 amLHR - SMF
1 stop15h 30mVirgin Atlantic
Deal found 4/10$711
This SWISS deal was found by Cheapflights users on 4/10. 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 SWISS is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/312:55 pmSMF - LHR
2 stops22h 25mSWISS
Thu 9/1812:10 pmLHR - SMF
2 stops40h 37mSWISS
Deal found 4/10$740

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 April 11, 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 10/8

4:05 pm-1:20 pm

1 stop13h 15m

London Heathrow

Tue 10/28

2:30 pm-10:35 pm

2 stops39h 05m

$678

SacramentoLondon

SMF - LHR

SMFLHR

Sacramento Intl

Sun 5/4

5:38 am-6:30 am

2 stops16h 52m

London Heathrow

Tue 5/13

7:30 pm-3:16 pm

2 stops27h 46m

$687

SacramentoLondon

SMF - LHR

SMFLHR

Sacramento Intl

Tue 5/13

9:00 am-10:00 am

2 stops17h 00m

London Heathrow

Tue 5/20

2:05 pm-3:16 pm

2 stops33h 11m

$690

SacramentoLondon

SMF - LHR

SMFLHR

Sacramento Intl

Fri 5/2

11:19 pm-8:45 pm

1 stop13h 26m

London Heathrow

Mon 5/5

8:15 am-9:59 pm

1 stop21h 44m

$691

SacramentoLondon

SMF - LHR

SMFLHR

Sacramento Intl

Sun 5/4

7:56 am-9:00 am

1 stop17h 04m

London Heathrow

Tue 5/13

12:00 pm-7:14 pm

1 stop15h 14m

$694

SacramentoLondon

SMF - LHR

SMFLHR

Sacramento Intl

Tue 8/19

2:38 pm-2:25 pm

1 stop15h 47m

London Heathrow

Thu 8/28

12:00 pm-10:10 pm

1 stop18h 10m

$697

SacramentoLondon

SMF - LHR

SMFLHR

Sacramento Intl

Tue 8/19

1:45 pm-1:10 pm

1 stop15h 25m

London Heathrow

Thu 8/28

6:30 am-5:25 pm

2 stops18h 55m

$700

SacramentoLondon

SMF - LHR

SMFLHR

Sacramento Intl

Tue 5/13

1:58 pm-1:10 pm

1 stop15h 12m

London Heathrow

Tue 5/20

12:25 pm-8:29 pm

1 stop16h 04m

$705

SacramentoLondon

SMF - LHR

SMFLHR

Sacramento Intl

Wed 8/13

2:38 pm-2:25 pm

1 stop15h 47m

London Heathrow

Mon 8/18

7:30 pm-6:09 pm

2 stops30h 39m

$708

SacramentoLondon

SMF - LHR

SMFLHR

Sacramento Intl

Sat 8/23

12:25 pm-6:45 am

1 stop34h 20m

London Heathrow

Sun 9/7

9:55 am-5:25 pm

1 stop15h 30m

$711

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/10

Showing 1-10 of 23 results
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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 April.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars
ScholarTripPrice Accuracy3 starsTrust Score*3 stars
GotogatePrice 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 April 4, 2025.

Booking 21 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 $1,110). 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 April 11, 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.

Rainfall in Heathrow by month

Plan your trip to Heathrow by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in London Heathrow Airport ranges from 1.6 - 2.8 inches per month. January is typically the wettest month, when rainfall can reach 2.8 in. July is typically the driest time to visit London Heathrow Airport when rainfall is around 1.6 in.

Temperature in Heathrow by month

Plan your trip to Heathrow by taking into account the average temperature totals by month.

If weather is an important factor for your trip to London Heathrow Airport, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 62.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 39.2 F).

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 April 11, 2025.
Get a feel of what it's like to fly with Delta, KLM and Finnair from Sacramento to London by reading reviews from past customers. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,910 reviews

Crew

8.5

Entertainment

7.9

Overall

8.0

Boarding

8.2

Comfort

7.9

Food

7.3

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
7,910 reviews
Delta
8.0
Very good
7,910 reviews

Crew

8.5

Entertainment

7.9

Overall

8.0

Boarding

8.2

Comfort

7.9

Food

7.3

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.
KLM
7.8
Good
1,321 reviews
Delta
8.0
Very good
7,910 reviews

Crew

8.5

Entertainment

7.9

Overall

8.0

Boarding

8.2

Comfort

7.9

Food

7.3

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
1,269 reviews
Delta
8.0
Very good
7,910 reviews

Crew

8.5

Entertainment

7.9

Overall

8.0

Boarding

8.2

Comfort

7.9

Food

7.3

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.
SWISS
7.5
Good
1,575 reviews
Delta
8.0
Very good
7,910 reviews

Crew

8.5

Entertainment

7.9

Overall

8.0

Boarding

8.2

Comfort

7.9

Food

7.3

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
8,636 reviews
Delta
8.0
Very good
7,910 reviews

Crew

8.5

Entertainment

7.9

Overall

8.0

Boarding

8.2

Comfort

7.9

Food

7.3

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. 10 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 $682, United Airlines will fly you from Sacramento to London Heathrow Airport and back. In addition to United Airlines, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Air Canada and JetBlue - these airlines can fly you to your destination from $690 and $691, respectively. United Airlines is 30% 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 United Airlines, which is currently one of the cheapest options available, starting at $451. JetBlue flights start at $584 while deals on Lufthansa start at $3,057 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, 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 $1,110). 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
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Broadway

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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 April 11, 2025.
AirlineCheapestAverageFlexibilityOn-time
KLMCheapest$578Average$1,053FlexibilityNo cancel feeOn-time75%
Air CanadaCheapest$643Average$875FlexibilityNo cancel feeOn-time67%
British AirwaysCheapest$647Average$951FlexibilityNo cancel feeOn-time70%
DeltaCheapest$683Average$887FlexibilityNo cancel feeOn-timeN/A
Scandinavian AirlinesCheapest$683Average$738FlexibilityNo cancel feeOn-time77%
Virgin AtlanticCheapest$702Average$1,007FlexibilityNo cancel feeOn-time72%
American AirlinesCheapest$703Average$913FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$703Average$938FlexibilityNo cancel feeOn-time69%
JetBlueCheapest$738Average$987FlexibilityNo cancel feeOn-time62%
LufthansaCheapest$911Average$1,728FlexibilityNo cancel feeOn-time76%

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