What are the cheapest airlines flying from Sacramento to London Heathrow Airport round-trip?

Currently priced at $671, 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 British Airways - these airlines can fly you to your destination from $678 and $684, respectively. Air Canada is 31% 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 JetBlue, which is currently one of the cheapest options available, starting at $369. Air Canada flights start at $446 while deals on United Airlines start at $496 one-way.

What are the most popular airlines that fly from Sacramento to London Heathrow Airport?

When booking a flight from Sacramento to London Heathrow Airport, you may want to consider flying on American Airlines, Air Canada or JetBlue as they are the most popular for this route.

What is the cheapest day to fly round-trip from Sacramento to London Heathrow Airport?

Travelers have found that booking a Sunday departure is the best way to save up to 16% on the cost of booking your flights compared to booking on days of the week where this route is of high demand.

What is the cheapest month to fly from Sacramento to London Heathrow Airport?

October is one of the best times of the year to fly to London Heathrow Airport from Sacramento. Prices for October average $965 per person but you can even find prices for as low as $670. The most expensive prices can be found in the month of December. Opting for a October flight can save you 38% on your journey compared to booking in December

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.

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.

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.

$345+ Flights from Sacramento to London Heathrow Airport

Q: How far in advance should I book a flight from Sacramento to London Heathrow Airport?

Users have found that booking a flight from Sacramento to London Heathrow Airport at least 47 days early can save you up to 52% on average compared to booking a flight this week. If booking 47 days before your flight isn’t an option for you, users have found flights from Sacramento to London Heathrow Airport for as little as $1,024 when booking for a departure date within the next two weeks. You can also check prices now. Some users have found airline tickets as low as $1,680 for flights departing within the next 3 days.

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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 April or October, booked 21 days in advance, depart on a Monday or Friday and return on a Friday

Cheap flight deals from Sacramento to Heathrow

Most accurate provider	FlightHub 3 stars
Most trusted provider	FlightHub 3 stars
Round-trip from	$671 (EaseMyTrip)
One-way from	$345 (Kiwi.com)
Popular in	June
Cheapest in	April
Average price	$855

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. 20% potential increase in price ($247 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 4% potential price decrease ($41 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in March 2025

Search Deals

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 March 21, 2025.

Tue 8/262:38 pmSMF - LHR

1 stop15h 47mIberia

Thu 9/411:30 amLHR - SMF

2 stops20h 35mIberia

Deal found 3/21

$670

Sun 4/204:05 pmSMF - LHR

2 stops35h 45mAir Canada

Fri 6/202:10 pmLHR - SMF

1 stop33h 09mAir Canada

Deal found 3/20

$671

Wed 10/18:31 amSMF - LHR

1 stop21h 54mFinnair

Thu 10/306:10 pmLHR - SMF

2 stops33h 21mFinnair

Deal found 3/19

$673

Wed 8/2711:36 amSMF - LHR

1 stop20h 29mBritish Airways

Wed 9/2410:20 amLHR - SMF

2 stops39h 54mBritish Airways

Deal found 3/21

$678

Tue 11/114:05 pmSMF - LHR

2 stops31h 05mMultiple Airlines

Tue 11/188:45 amLHR - SMF

2 stops38h 36mMultiple Airlines

Deal found 3/20

$679

Wed 4/25:45 amSMF - LHR

1 stop24h 25mUnited Airlines

Wed 4/162:10 pmLHR - SMF

1 stop33h 11mUnited Airlines

Deal found 3/19

$686

Wed 5/143:37 pmSMF - LHR

1 stop14h 58mDelta

Wed 5/216:30 amLHR - SMF

2 stops17h 40mDelta

Deal found 3/20

$692

Tue 5/208:17 pmSMF - LHR

1 stop12h 58mVirgin Atlantic

Sat 9/2010:55 amLHR - SMF

1 stop20h 39mVirgin Atlantic

Deal found 3/20

$702

Wed 4/22:50 pmSMF - LHR

2 stops18h 50mScandinavian Airlines

Wed 4/166:40 amLHR - SMF

2 stops24h 24mScandinavian Airlines

Deal found 3/20

$718

Fri 4/41:00 pmSMF - LHR

2 stops18h 40mLufthansa

Mon 4/77:30 pmLHR - SMF

2 stops32h 16mLufthansa

Deal found 3/20

$787

Sun 10/1911:25 amSMF - LHR

2 stops24h 00mAer Lingus

Sat 10/258:10 pmLHR - SMF

2 stops35h 25mAer Lingus

Deal found 3/20

$934

Best flights from Sacramento to Heathrow
Discover carefully curated flight deals from Sacramento to Heathrow that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated March 21, 2025.

Sun 4/204:05 pmSMF - LHR

2 stops35h 45mAir Canada

Fri 6/202:10 pmLHR - SMF

1 stop33h 09mAir Canada

Deal found 3/20

$671

Tue 5/204:54 pmSMF - LHR

1 stop13h 21mVirgin Atlantic

Fri 6/201:35 pmLHR - SMF

1 stop16h 36mVirgin Atlantic

Deal found 3/20

$678

Mon 5/55:34 pmSMF - LHR

1 stop14h 31mBritish Airways

Tue 5/136:10 amLHR - SMF

2 stops21h 04mBritish Airways

Deal found 3/20

$684

Wed 4/21:00 pmSMF - LHR

1 stop12h 40mUnited Airlines

Wed 4/162:05 pmLHR - SMF

2 stops39h 04mUnited Airlines

Deal found 3/19

$685

Thu 4/107:56 amSMF - LHR

1 stop14h 29mIberia

Thu 5/112:00 pmLHR - SMF

1 stop20h 26mIberia

Deal found 3/20

$690

Wed 5/143:37 pmSMF - LHR

1 stop14h 58mDelta

Wed 5/216:30 amLHR - SMF

2 stops17h 40mDelta

Deal found 3/20

$692

Thu 5/151:53 pmSMF - LHR

1 stop15h 17mKLM

Fri 5/3011:45 amLHR - SMF

2 stops16h 44mKLM

Deal found 3/20

$697

Thu 5/159:00 amSMF - LHR

2 stops18h 50mMultiple Airlines

Sun 5/259:30 amLHR - SMF

2 stops19h 31mMultiple Airlines

Deal found 3/21

$711

Wed 4/22:50 pmSMF - LHR

2 stops18h 50mScandinavian Airlines

Wed 4/166:40 amLHR - SMF

2 stops24h 24mScandinavian Airlines

Deal found 3/20

$718

Fri 4/41:00 pmSMF - LHR

2 stops18h 40mLufthansa

Mon 4/77:30 pmLHR - SMF

2 stops32h 16mLufthansa

Deal found 3/20

$787

Fri 4/257:56 amSMF - LHR

1 stop17h 04mFinnair

Sat 5/102:45 pmLHR - SMF

1 stop14h 52mFinnair

Deal found 3/20

$798

Tue 6/102:55 pmSMF - LHR

2 stops21h 25mIcelandair

Wed 6/181:05 pmLHR - SMF

2 stops16h 47mIcelandair

Deal found 3/20

$1,301

Last-minute flights from Sacramento to Heathrow
Discover last-minute flight deals from Sacramento to Heathrow. Data last updated March 21, 2025 and is based on user searches.

Wed 3/2610:09 amSMF - LHR

1 stop18h 51mUnited Airlines

Wed 4/28:40 amLHR - SMF

2 stops19h 06mUnited Airlines

Deal found 3/19

$939

Wed 3/267:30 pmSMF - LHR

3 stops28h 40mMultiple Airlines

Wed 4/212:10 pmLHR - SMF

3 stops34h 18mMultiple Airlines

Deal found 3/19

$940

Wed 3/2611:11 amSMF - LHR

1 stop13h 09mFinnair

Wed 4/210:30 amLHR - SMF

1 stop16h 47mFinnair

Deal found 3/19

$948

Thu 3/272:50 pmSMF - LHR

2 stops23h 50mScandinavian Airlines

Mon 3/316:40 amLHR - SMF

2 stops24h 29mScandinavian Airlines

Deal found 3/21

$865

Thu 3/2711:11 amSMF - LHR

1 stop14h 04mBritish Airways

Tue 4/13:10 pmLHR - SMF

1 stop15h 58mBritish Airways

Deal found 3/21

$1,007

Mon 3/3110:42 amSMF - LHR

1 stop16h 28mLufthansa

Fri 4/46:30 amLHR - SMF

2 stops20h 59mLufthansa

Deal found 3/21

$1,869

Wed 4/21:00 pmSMF - LHR

1 stop12h 40mUnited Airlines

Wed 4/162:05 pmLHR - SMF

2 stops39h 04mUnited Airlines

Deal found 3/19

$685

Wed 4/210:00 amSMF - LHR

2 stops19h 10mDelta

Wed 4/166:30 amLHR - SMF

2 stops18h 17mDelta

Deal found 3/19

$698

Wed 4/22:50 pmSMF - LHR

2 stops18h 50mScandinavian Airlines

Wed 4/166:40 amLHR - SMF

2 stops24h 24mScandinavian Airlines

Deal found 3/20

$718

Thu 4/32:20 pmSMF - LHR

2 stops14h 40mAlaska Airlines

Sat 4/1910:10 amLHR - SMF

2 stops19h 28mAlaska Airlines

Deal found 3/19

$2,807

Fri 4/44:05 pmSMF - LHR

1 stop13h 15mMultiple Airlines

Mon 4/78:25 pmLHR - SMF

2 stops35h 26mMultiple Airlines

Deal found 3/20

$720

Fri 4/41:00 pmSMF - LHR

2 stops18h 40mLufthansa

Mon 4/77:30 pmLHR - SMF

2 stops32h 16mLufthansa

Deal found 3/20

$787

One-way flights from Sacramento to Heathrow
Search for one-way flight options from Sacramento to Heathrow. Find affordable one-way fares based on user searches. Data last updated March 21, 2025.

Sat 5/37:34 pmSMF - LHR

3 stops58h 41mMultiple Airlines

Deal found 3/20

$345

Sat 5/311:19 pmSMF - LHR

1 stop13h 26mJetBlue

Deal found 3/21

$369

Sat 5/39:00 amSMF - LHR

2 stops37h 30mAir Canada

Deal found 3/21

$446

Fri 4/184:05 pmSMF - LHR

1 stop13h 15mUnited Airlines

Deal found 3/20

$496

Thu 6/1211:10 amSMF - LHR

3 stops23h 20mScandinavian Airlines

Deal found 3/20

$2,959

Cheapflights Fare Finder

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

SacramentoLondon

SMF - LHR

SMFLHR

Sacramento Intl

Sun 4/20

4:05 pm-11:50 am

2 stops35h 45m

London Heathrow

Fri 6/20

2:10 pm-3:19 pm

1 stop33h 09m

$671

SacramentoLondon

SMF - LHR

SMFLHR

Sacramento Intl

Tue 5/20

4:54 pm-2:15 pm

1 stop13h 21m

London Heathrow

Fri 6/20

1:35 pm-10:11 pm

1 stop16h 36m

$678

SacramentoLondon

SMF - LHR

SMFLHR

Sacramento Intl

Mon 5/5

5:34 pm-4:05 pm

1 stop14h 31m

London Heathrow

Tue 5/13

6:10 am-7:14 pm

2 stops21h 04m

$684

SacramentoLondon

SMF - LHR

SMFLHR

Sacramento Intl

Wed 4/2

1:00 pm-9:40 am

1 stop12h 40m

London Heathrow

Wed 4/16

2:05 pm-9:09 pm

2 stops39h 04m

$685

SacramentoLondon

SMF - LHR

SMFLHR

Sacramento Intl

Thu 4/10

7:56 am-6:25 am

1 stop14h 29m

London Heathrow

Thu 5/1

12:00 pm-12:26 am

1 stop20h 26m

$690

SacramentoLondon

SMF - LHR

SMFLHR

Sacramento Intl

Wed 5/14

3:37 pm-2:35 pm

1 stop14h 58m

London Heathrow

Wed 5/21

6:30 am-4:10 pm

2 stops17h 40m

$692

SacramentoLondon

SMF - LHR

SMFLHR

Sacramento Intl

Thu 5/15

1:53 pm-1:10 pm

1 stop15h 17m

London Heathrow

Fri 5/30

11:45 am-8:29 pm

2 stops16h 44m

$697

SacramentoLondon

SMF - LHR

SMFLHR

Sacramento Intl

Thu 5/15

9:00 am-11:50 am

2 stops18h 50m

London Heathrow

Sun 5/25

9:30 am-9:01 pm

2 stops19h 31m

$711

SacramentoLondon

SMF - LHR

SMFLHR

Sacramento Intl

Wed 4/2

2:50 pm-5:40 pm

2 stops18h 50m

London Heathrow

Wed 4/16

6:40 am-11:04 pm

2 stops24h 24m

$718

SacramentoLondon

SMF - LHR

SMFLHR

Sacramento Intl

Fri 4/4

1:00 pm-3:40 pm

2 stops18h 40m

London Heathrow

Mon 4/7

7:30 pm-7:46 pm

2 stops32h 16m

$787

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/20

Showing 1-10 of 17 results

Compare providers for flights from Sacramento to Heathrow

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.

Provider	Price Accuracy	Trust Score*
Expedia	Price Accuracy1 star	Trust Score*3 stars
FlightHub	Price Accuracy3 stars	Trust Score*3 stars
AranGrant	Price Accuracy3 stars	Trust Score*1 star
eDreams	Price Accuracy3 stars	Trust Score*3 stars
ScholarTrip	Price Accuracy3 stars	Trust Score*3 stars
Gotogate	Price Accuracy3 stars	Trust 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 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 $1,122). 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?

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?

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

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

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 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

7,895 reviews

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

7,895 reviews

Delta

8.0

Very good

7,895 reviews

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

1,319 reviews

Delta

8.0

Very good

7,895 reviews

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

1,266 reviews

Delta

8.0

Very good

7,895 reviews

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

8,605 reviews

Delta

8.0

Very good

7,895 reviews

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

634 reviews

Delta

8.0

Very good

7,895 reviews

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

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.
What are the cheapest airlines flying from Sacramento to London Heathrow Airport round-trip?
Currently priced at $671, 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 British Airways - these airlines can fly you to your destination from $678 and $684, respectively. Air Canada is 31% 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 JetBlue, which is currently one of the cheapest options available, starting at $369. Air Canada flights start at $446 while deals on United Airlines start at $496 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 $1,122). 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

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Top 9 airlines flying from Sacramento to Heathrow

Airline	Cheapest	Average	Flexibility	On-time
Air Canada	Cheapest$482	Average$878	FlexibilityNo cancel fee	On-time67%
KLM	Cheapest$578	Average$1,105	FlexibilityNo cancel fee	On-time75%
British Airways	Cheapest$647	Average$946	FlexibilityNo cancel fee	On-time70%
Delta	Cheapest$680	Average$874	FlexibilityNo cancel fee	On-timeN/A
Virgin Atlantic	Cheapest$693	Average$1,028	FlexibilityNo cancel fee	On-time72%
United Airlines	Cheapest$693	Average$931	FlexibilityNo cancel fee	On-time69%
American Airlines	Cheapest$702	Average$935	FlexibilityNo cancel fee	On-time71%
JetBlue	Cheapest$738	Average$1,078	FlexibilityNo cancel fee	On-time62%
Lufthansa	Cheapest$911	Average$1,728	FlexibilityNo cancel fee	On-time76%

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$345+ 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 5/3. Fares are subject to change and may not be available on all flights or dates of travel.

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Cheapflights Tip: The best prices from Sacramento Intl to London Heathrow are usually found in April or October, booked 21 days in advance, depart on a Monday or Friday and return on a Friday

Cheap flight deals from Sacramento to Heathrow

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Find flight deals from Sacramento to Heathrow

Cheapest flights from Sacramento to HeathrowExplore 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 21, 2025.

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 21, 2025.

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Use the filters below to find and compare flights from Sacramento to London Heathrow Airport that are best for you.

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.

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.

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 14, 2025.

What is the cheapest month to book a flight from Sacramento to London Heathrow Airport?

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 March 21, 2025.

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.

Rainfall in Heathrow by month

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

Temperature in Heathrow by month

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

Reviews of airlines servicing Heathrow

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.

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?

What are the cheapest airlines flying from Sacramento to London Heathrow Airport round-trip?

What are the cheapest airlines to fly from Sacramento to London Heathrow Airport one-way?

Can I find deals for flights from Sacramento to Heathrow that include hotel bookings?

How can I find direct flights from Sacramento to Heathrow?

Can I find deals for business class flights from Sacramento to Heathrow?

What is the cheapest month to book a flight from Sacramento to London Heathrow Airport?

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Alternative routes for Sacramento to Heathrow

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Top 9 airlines flying from Sacramento to Heathrow

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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 21, 2025.