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

JetBlue, at $697, was found to be the cheapest airline from Sacramento to London.Alternate airlines to your destination round-trip include British Airways and Delta. JetBlue is 28% 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 one-way?

For one-way options, check prices for JetBlue. According to our data, you can fly for as low as $419. Users have also found prices from $446 and $523 on Air Canada and British Airways, respectively.

What are the most popular routes from Sacramento to London?

When deciding which route to take from Sacramento to London consider Sacramento Intl - London Heathrow, Sacramento Intl - London Gatwick or Sacramento Intl - London City as they are the most popular.

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

The most popular airlines flying from Sacramento to London are American Airlines, Air Canada and JetBlue. Something to consider prior to booking your flight.

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

Departing on a Monday is a good option for securing a great price. You can expect to save up to 30% when planning your travel around this day of the week.

How far in advance should I book a flight from Sacramento to London?

When searching for a good deal, it’s best to be prepared for potential fluctuations in price. We recommend booking at least 53 days in advance, which can save you up to 49% on flights from Sacramento to London compared to booking the week you need them. Waiting 53 days out may not be for everyone, so we have options available for flights within the next two weeks, with the lowest price starting at $1,024. For sooner than that we have options available in the next 3 days from $1,100.

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

October can be a great time to fly to London from Sacramento with a flight ticket averaging about $977. Cheapflights users have found deals in the month of October for as cheap as $669. The most expensive prices can be found in the month of June.

Most accurate provider : When it comes to deals on Sacramento-London flights, users find the pricing of AranGrant to be most consistent on Cheapflights vs. AranGrant Users can find the same prices on Sacramento-London flight deals on Cheapflights vs. AranGrant >95% of the time. Price accuracy is based on data collected from Sacramento-London flight searches over the past month and is updated monthly.

Most trusted provider : When it comes to deals on Sacramento-London flights, Cheapflights users trust AranGrant the most. AranGrant 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 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?

If you book a flight to London from Sacramento, you will be flying from Sacramento Intl, which is the city’s only airport. Sacramento Intl (SMF) is located 9.4 mi from the center of Sacramento. There are 0 flights from Sacramento Intl to London per day from 9 different airlines.

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

Yes. In addition to deals on Sacramento to London flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from Sacramento to London?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Sacramento to London.

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

Yes. Cheapflights offers flight deals from Sacramento to London by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

$249+ Flights from Sacramento to London

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Find cheap flights from Sacramento to London 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 are usually found in October or April, booked 88 days in advance, depart on a Tuesday or Sunday and return on a Tuesday

Cheap flight deals from Sacramento to London

Most accurate provider	AranGrant 3 stars
Most trusted provider	AranGrant 3 stars
Round-trip from	$697 (JetBlue)
One-way from	$249 (Mytrip)
Popular in	June
Cheapest in	October
Average price	$811

Provider with most accurate pricing for Sacramento Intl-London (LON) flight deals.

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Provider most trusted by Cheapflights users for Sacramento Intl-London (LON) flights.

Search Deals

From Sacramento Intl to London (LON)

Search Deals

One-way flight from Sacramento Intl to London (LON)

Search Deals

Highest demand for flights based on searches. 17% potential increase in price ($213 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 3% potential price decrease ($35 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in April 2025

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Find flight deals from Sacramento to London

Cheapest flights from Sacramento to London
Explore the most affordable flight options available from Sacramento to London. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 17, 2025.

Wed 8/279:00 amSMF - LHR

2 stops18h 50mAir Canada

Wed 9/243:50 pmLHR - SMF

2 stops34h 13mAir Canada

Deal found 4/16

$689

Wed 11/1211:10 amSMF - LHR

2 stops22h 30mScandinavian Airlines

Tue 11/1810:20 amLHR - SMF

2 stops19h 54mScandinavian Airlines

Deal found 4/16

$691

Fri 5/211:19 pmSMF - LHR

1 stop13h 26mJetBlue

Mon 5/58:15 amLHR - SMF

1 stop21h 44mJetBlue

Deal found 4/17

$697

Fri 5/95:15 amSMF - LHR

2 stops17h 15mMultiple Airlines

Fri 5/168:40 amLHR - SMF

2 stops20h 04mMultiple Airlines

Deal found 4/17

$699

Tue 9/162:42 pmSMF - LHR

1 stop15h 43mIberia

Tue 9/308:20 amLHR - SMF

1 stop20h 12mIberia

Deal found 4/16

$702

Sun 5/1110:41 amSMF - LGW

2 stops16h 14mMultiple Airlines

Mon 5/1910:45 amLGW - SMF

2 stops31h 01mMultiple Airlines

Deal found 4/16

$716

Fri 5/92:20 pmSMF - LHR

1 stop14h 25mBritish Airways

Fri 5/162:20 pmLHR - SMF

1 stop15h 17mBritish Airways

Deal found 4/17

$717

Wed 5/216:15 amSMF - LHR

1 stop24h 00mDelta

Wed 5/286:15 amLHR - SMF

2 stops18h 05mDelta

Deal found 4/16

$718

Wed 5/2112:30 pmSMF - LHR

1 stop18h 05mVirgin Atlantic

Wed 5/281:25 pmLHR - SMF

1 stop14h 10mVirgin Atlantic

Deal found 4/15

$726

Wed 5/217:45 amSMF - LHR

2 stops18h 15mUnited Airlines

Wed 5/2812:40 pmLHR - SMF

2 stops30h 48mUnited Airlines

Deal found 4/15

$753

Tue 9/162:42 pmSMF - LCY

2 stops36h 48mBritish Airways

Tue 9/3011:20 amLCY - SMF

2 stops44h 45mBritish Airways

Deal found 4/16

$765

Wed 11/128:25 amSMF - LHR

1 stop15h 50mFinnair

Tue 11/1810:15 amLHR - SMF

1 stop16h 07mFinnair

Deal found 4/16

$775

Best flights from Sacramento to London
Discover carefully curated flight deals from Sacramento to London that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated April 17, 2025.

Fri 5/211:19 pmSMF - LHR

1 stop13h 26mJetBlue

Mon 5/58:15 amLHR - SMF

1 stop21h 44mJetBlue

Deal found 4/17

$697

Fri 5/95:15 amSMF - LHR

2 stops17h 15mMultiple Airlines

Fri 5/168:40 amLHR - SMF

2 stops20h 04mMultiple Airlines

Deal found 4/17

$699

Fri 5/92:20 pmSMF - LHR

1 stop14h 25mBritish Airways

Fri 5/162:20 pmLHR - SMF

1 stop15h 17mBritish Airways

Deal found 4/17

$717

Wed 5/216:15 amSMF - LHR

1 stop24h 00mDelta

Wed 5/286:15 amLHR - SMF

2 stops18h 05mDelta

Deal found 4/16

$718

Wed 5/2112:30 pmSMF - LHR

1 stop18h 05mVirgin Atlantic

Wed 5/281:25 pmLHR - SMF

1 stop14h 10mVirgin Atlantic

Deal found 4/15

$726

Wed 5/217:45 amSMF - LHR

2 stops18h 15mUnited Airlines

Wed 5/2812:40 pmLHR - SMF

2 stops30h 48mUnited Airlines

Deal found 4/15

$753

Sun 5/1812:25 pmSMF - LHR

1 stop17h 50mKLM

Sun 5/2510:55 amLHR - SMF

1 stop13h 25mKLM

Deal found 4/15

$786

Wed 5/2111:25 amSMF - LHR

2 stops20h 35mScandinavian Airlines

Wed 5/286:40 amLHR - SMF

2 stops20h 57mScandinavian Airlines

Deal found 4/17

$816

Sun 5/1112:09 pmSMF - LHR

1 stop19h 56mFinnair

Mon 5/192:45 pmLHR - SMF

1 stop14h 52mFinnair

Deal found 4/16

$833

Sun 5/1111:10 amSMF - LCY

2 stops23h 25mLufthansa

Mon 5/197:10 pmLCY - SMF

2 stops33h 58mLufthansa

Deal found 4/16

$850

Sun 5/49:35 pmSMF - LHR

1 stop24h 55mIcelandair

Tue 5/278:25 amLHR - SMF

2 stops45h 34mIcelandair

Deal found 4/16

$892

Sun 5/49:00 amSMF - LHR

2 stops18h 50mAir Canada

Tue 5/275:40 pmLHR - SMF

2 stops29h 36mAir Canada

Deal found 4/16

$915

Last-minute flights from Sacramento to London
Discover last-minute flight deals from Sacramento to London. Data last updated April 17, 2025 and is based on user searches.

Tue 4/221:00 pmSMF - LHR

1 stop12h 40mUnited Airlines

Sun 4/2712:20 pmLHR - SMF

1 stop15h 26mUnited Airlines

Deal found 4/17

$1,011

Fri 4/2511:12 amSMF - LHR

1 stop15h 38mIberia

Sat 5/106:15 amLHR - SMF

2 stops24h 35mIberia

Deal found 4/16

$1,040

Fri 4/252:35 pmSMF - LHR

2 stops21h 45mMultiple Airlines

Sat 5/101:05 pmLHR - SMF

2 stops18h 32mMultiple Airlines

Deal found 4/16

$1,047

Fri 4/257:56 amSMF - LHR

1 stop17h 04mFinnair

Sat 5/102:45 pmLHR - SMF

1 stop14h 52mFinnair

Deal found 4/16

$1,050

Fri 4/2512:11 pmSMF - LHR

1 stop14h 59mKLM

Sat 5/1012:25 pmLHR - SMF

1 stop16h 04mKLM

Deal found 4/17

$1,061

Fri 4/257:05 amSMF - LHR

2 stops24h 55mScandinavian Airlines

Sat 5/106:40 amLHR - SMF

3 stops20h 54mScandinavian Airlines

Deal found 4/16

$1,265

Sat 4/2611:05 pmSMF - LHR

1 stop25h 50mDelta

Sun 5/46:30 amLHR - SMF

2 stops19h 22mDelta

Deal found 4/16

$751

Sun 4/277:34 pmSMF - LGW

3 stops35h 01mMultiple Airlines

Wed 4/309:20 pmLGW - SMF

3 stops29h 09mMultiple Airlines

Deal found 4/16

$854

Sun 4/277:34 pmSMF - STN

3 stops31h 06mMultiple Airlines

Wed 4/3011:40 amSTN - SMF

3 stops31h 59mMultiple Airlines

Deal found 4/16

$887

Sun 4/278:00 amSMF - LGW

2 stops22h 40mIcelandair

Thu 5/11:00 pmLGW - SMF

2 stops16h 59mIcelandair

Deal found 4/17

$1,254

Sun 4/278:00 amSMF - LHR

2 stops19h 55mIcelandair

Thu 5/11:05 pmLHR - SMF

2 stops40h 44mIcelandair

Deal found 4/17

$1,403

Sun 4/2712:11 pmSMF - LHR

2 stops24h 09mAer Lingus

Wed 4/309:50 amLHR - SMF

2 stops20h 29mAer Lingus

Deal found 4/16

$1,445

One-way flights from Sacramento to London
Search for one-way flight options from Sacramento to London. Find affordable one-way fares based on user searches. Data last updated April 17, 2025.

Sat 5/37:34 pmSMF - LGW

2 stops31h 21mMultiple Airlines

Deal found 4/15

$249

Wed 7/97:38 pmSMF - LHR

3 stops39h 12mMultiple Airlines

Deal found 4/17

$417

Sat 5/311:19 pmSMF - LHR

1 stop13h 26mJetBlue

Deal found 4/15

$419

Wed 7/95:30 amSMF - SEN

3 stops31h 20mMultiple Airlines

Deal found 4/17

$424

Sat 5/39:00 amSMF - LHR

2 stops37h 30mAir Canada

Deal found 4/15

$446

Wed 7/97:38 pmSMF - STN

3 stops31h 02mMultiple Airlines

Deal found 4/17

$452

Tue 6/37:37 pmSMF - LCY

3 stops35h 13mMultiple Airlines

Deal found 4/16

$486

Sat 5/32:22 pmSMF - LCY

2 stops39h 58mBritish Airways

Deal found 4/15

$523

Wed 7/911:53 amSMF - LHR

2 stops24h 27mAer Lingus

Deal found 4/17

$528

Mon 4/287:05 amSMF - LHR

1 stop15h 40mVirgin Atlantic

Deal found 4/16

$542

Mon 4/287:00 amSMF - LHR

1 stop17h 20mLufthansa

Deal found 4/16

$568

Mon 5/265:30 amSMF - LHR

2 stops22h 35mWestJet

Deal found 4/17

$621

Cheapflights Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

SacramentoLondon

SMF - LHR

SMFLHR

Sacramento Intl

Fri 5/2

11:19 pm-8:45 pm

1 stop13h 26m

London Heathrow

Tue 5/6

8:15 am-9:59 pm

1 stop21h 44m

$697

SacramentoLondon

SMF - LHR

SMFLHR

Sacramento Intl

Fri 5/9

5:15 am-6:30 am

2 stops17h 15m

London Heathrow

Fri 5/16

8:40 am-8:44 pm

2 stops20h 04m

$699

SacramentoLondon

SMF - LGW

SMFLGW

Sacramento Intl

Sun 5/11

10:41 am-10:55 am

2 stops16h 14m

London Gatwick

Mon 5/19

10:45 am-9:46 am

2 stops31h 01m

$716

SacramentoLondon

SMF - LHR

SMFLHR

Sacramento Intl

Fri 5/9

2:20 pm-12:45 pm

1 stop14h 25m

London Heathrow

Fri 5/16

2:20 pm-9:37 pm

1 stop15h 17m

$717

SacramentoLondon

SMF - LHR

SMFLHR

Sacramento Intl

Wed 5/21

6:15 am-2:15 pm

1 stop24h 00m

London Heathrow

Wed 5/28

6:15 am-4:20 pm

2 stops18h 05m

$718

SacramentoLondon

SMF - LHR

SMFLHR

Sacramento Intl

Wed 5/21

12:30 pm-2:35 pm

1 stop18h 05m

London Heathrow

Wed 5/28

1:25 pm-7:35 pm

1 stop14h 10m

$726

SacramentoLondon

SMF - LHR

SMFLHR

Sacramento Intl

Wed 5/21

7:45 am-10:00 am

2 stops18h 15m

London Heathrow

Wed 5/28

12:40 pm-11:28 am

2 stops30h 48m

$753

SacramentoLondon

SMF - LHR

SMFLHR

Sacramento Intl

Sun 5/18

12:25 pm-2:15 pm

1 stop17h 50m

London Heathrow

Sun 5/25

10:55 am-4:20 pm

1 stop13h 25m

$786

SacramentoLondon

SMF - LHR

SMFLHR

Sacramento Intl

Wed 5/21

11:25 am-4:00 pm

2 stops20h 35m

London Heathrow

Wed 5/28

6:40 am-7:37 pm

2 stops20h 57m

$816

SacramentoLondon

SMF - LHR

SMFLHR

Sacramento Intl

Sun 5/11

12:09 pm-4:05 pm

1 stop19h 56m

London Heathrow

Mon 5/19

2:45 pm-9:37 pm

1 stop14h 52m

$833

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/15

Showing 1-10 of 47 results

...

Compare providers for flights from Sacramento to London

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Sacramento to London in April.

Provider	Price Accuracy	Trust Score*
Expedia	Price Accuracy1 star	Trust Score*3 stars
FlightHub	Price Accuracy3 stars	Trust Score*2 stars
AranGrant	Price Accuracy3 stars	Trust Score*3 stars
eDreams	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 flights, users find the pricing of AranGrant to be most consistent on Cheapflights vs. AranGrant Users can find the same prices on Sacramento-London flight deals on Cheapflights vs. AranGrant >95% of the time. Price accuracy is based on data collected from Sacramento-London flight searches over the past month and is updated monthly.
Most trusted provider: When it comes to deals on Sacramento-London flights, Cheapflights users trust AranGrant the most. AranGrant 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 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 London

Have a flexible travel schedule? Discover the best time to fly to London 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

How far ahead should I book a flight from Sacramento to London?

The price you pay for your flight from Sacramento to London may vary depending on when you book. For the best chance of a lower fare, look to book 88 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

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

Currently, November is the cheapest month in which you can book a flight from Sacramento to London (average of $661). Flying from Sacramento to London 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 LON?

When flying from Sacramento to London, the time of day you fly usually plays a role in the price. Save by searching for a flight in the afternoon, which can drop the price by up to 23% versus a flight in the evening.

What is the cheapest day to fly from Sacramento to London?

Travelers seeking maximum savings on their Sacramento to London flight should consider departing on Friday evenings when fares are most often at their lowest. Tuesday evenings flights should be avoided if possible as fares are typically the most expensive at this time.

Rainfall in London by month

In terms of precipitation, rainfall in London 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 when rainfall is around 1.6 in.

Temperature in London by month

If weather is an important factor for your trip to London, 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 London

Peruse reviews from past customers who have flown with Delta, KLM and Finnair from Sacramento to London to help guide your decision. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

Delta

8.0

Very good

7,916 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

7,916 reviews

Delta

8.0

Very good

7,916 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

1,327 reviews

Delta

8.0

Very good

7,916 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

1,269 reviews

Delta

8.0

Very good

7,916 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.

SWISS

7.5

Good

1,580 reviews

Delta

8.0

Very good

7,916 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

8,667 reviews

Delta

8.0

Very good

7,916 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?
If you book a flight to London from Sacramento, you will be flying from Sacramento Intl, which is the city’s only airport. Sacramento Intl (SMF) is located 9.4 mi from the center of Sacramento. There are 0 flights from Sacramento Intl to London per day from 9 different airlines.
What are the cheapest airlines flying from Sacramento to London round-trip?
JetBlue, at $697, was found to be the cheapest airline from Sacramento to London.Alternate airlines to your destination round-trip include British Airways and Delta. JetBlue is 28% 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 one-way?
For one-way options, check prices for JetBlue. According to our data, you can fly for as low as $419. Users have also found prices from $446 and $523 on Air Canada and British Airways, respectively.
What are the most popular routes from Sacramento to London?
When deciding which route to take from Sacramento to London consider Sacramento Intl - London Heathrow, Sacramento Intl - London Gatwick or Sacramento Intl - London City as they are the most popular.
Can I find deals for flights from Sacramento to London that include hotel bookings?
Yes. In addition to deals on Sacramento to London flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Sacramento to London?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Sacramento to London.
Can I find deals for business class flights from Sacramento to London?
Yes. Cheapflights offers flight deals from Sacramento to London 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?
Currently, November is the cheapest month in which you can book a flight from Sacramento to London (average of $661). Flying from Sacramento to London 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

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Luton

Horley

Wembley

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Harrow

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Watford

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Milton Keynes

Chelmsford

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Top 9 airlines flying from Sacramento to London

Airline	Cheapest	Average	Flexibility	On-time
Air Canada	Cheapest$643	Average$878	FlexibilityNo cancel fee	On-time67%
British Airways	Cheapest$647	Average$960	FlexibilityNo cancel fee	On-time70%
Delta	Cheapest$683	Average$887	FlexibilityNo cancel fee	On-timeN/A
Scandinavian Airlines	Cheapest$683	Average$738	FlexibilityNo cancel fee	On-time77%
Virgin Atlantic	Cheapest$702	Average$1,005	FlexibilityNo cancel fee	On-time72%
American Airlines	Cheapest$703	Average$1,024	FlexibilityNo cancel fee	On-time71%
United Airlines	Cheapest$703	Average$947	FlexibilityNo cancel fee	On-time69%
JetBlue	Cheapest$738	Average$987	FlexibilityNo cancel fee	On-time62%
Lufthansa	Cheapest$911	Average$1,728	FlexibilityNo cancel fee	On-time76%

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$249+ Cheap flights from Sacramento (SMF) to London (LON)

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.

Find cheap flights from Sacramento to London with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheapflights Tip: The best prices from Sacramento Intl to London are usually found in October or April, booked 88 days in advance, depart on a Tuesday or Sunday and return on a Tuesday

Cheap flight deals from Sacramento to London

Most accurate provider

Most trusted provider

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find flight deals from Sacramento to London

Cheapest flights from Sacramento to LondonExplore the most affordable flight options available from Sacramento to London. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 17, 2025.

Explore the most affordable flight options available from Sacramento to London. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 17, 2025.

Cheapflights Fare Finder

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

Compare providers for flights from Sacramento to London

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 London in April.

Best time to book a flight from Sacramento to London

Have a flexible travel schedule? Discover the best time to fly to London from Sacramento with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from Sacramento to London

How far ahead should I book a flight from Sacramento to London?

Use this chart to determine the optimal time to book a round-trip flight from Sacramento to London. Price data was last updated on April 11, 2025.

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

What is the cheapest time of day to fly from SMF to LON?

Find hourly flight availability from Sacramento to London. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated April 17, 2025.

What is the cheapest day to fly from Sacramento to London?

Use this chart to determine the cheapest time to fly round-trip from Sacramento to London. Price data was last updated on June 23, 2024.

Rainfall in London by month

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

Temperature in London by month

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

Reviews of airlines servicing London

Peruse reviews from past customers who have flown with Delta, KLM and Finnair from Sacramento to London to help guide your decision. You can also see how each airline compares 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 London. 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?

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

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

What are the most popular routes from Sacramento to London?

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

How can I find direct flights from Sacramento to London?

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

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

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Alternative routes for Sacramento to London

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Top 9 airlines flying from Sacramento to London

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Cheapest flights from Sacramento to London
Explore the most affordable flight options available from Sacramento to London. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 17, 2025.