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

Scandinavian Airlines, at $735, was found to be the cheapest airline from Sacramento to London.Alternate airlines to your destination round-trip include United Airlines and Air Canada. Scandinavian Airlines is 24% 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 British Airways. According to our data, you can fly for as low as $443. Users have also found prices from $443 and $476 on Delta and Iberia, 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 39 days in advance, which can save you up to 20% on flights from Sacramento to London compared to booking the week you need them. Waiting 39 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 $691. For sooner than that we have options available in the next 3 days from $870.

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 $769. Cheapflights users have found deals in the month of October for as cheap as $521. 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.

$347+ Flights from Sacramento to London - Compare & Save Big

Home Search by date Vacation packages Hotels Flight deals Car rental Travel tips & news

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	$733 (Mytrip)
One-way from	$347 (Kiwi.com)
Popular in	June
Cheapest in	October
Average price	$1,012

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

Search Deals

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. 16% potential increase in price ($198 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 3% potential price decrease ($36 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in May 2025

Search Deals

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 May 1, 2025.

Sun 11/28:25 amSMF - LHR

1 stop13h 55mIberia

Thu 11/137:25 amLHR - SMF

2 stops23h 10mIberia

Deal found 4/29

$727

Tue 5/207:37 pmSMF - LGW

2 stops27h 18mMultiple Airlines

Tue 5/2710:00 amLGW - SMF

2 stops31h 46mMultiple Airlines

Deal found 4/29

$733

Wed 10/82:15 pmSMF - LHR

2 stops19h 25mScandinavian Airlines

Tue 10/286:40 amLHR - SMF

2 stops22h 34mScandinavian Airlines

Deal found 4/29

$735

Sun 11/305:00 pmSMF - LHR

1 stop13h 00mBritish Airways

Tue 12/1610:00 amLHR - SMF

1 stop19h 31mBritish Airways

Deal found 4/30

$736

Mon 9/11:00 pmSMF - LHR

1 stop15h 20mUnited Airlines

Thu 9/182:10 pmLHR - SMF

1 stop15h 34mUnited Airlines

Deal found 4/30

$738

Tue 5/611:14 pmSMF - LHR

1 stop13h 31mJetBlue

Tue 5/138:15 amLHR - SMF

1 stop21h 44mJetBlue

Deal found 4/29

$744

Tue 9/26:46 amSMF - LHR

2 stops19h 14mAir Canada

Wed 9/1710:15 amLHR - SMF

2 stops19h 29mAir Canada

Deal found 4/30

$745

Wed 8/279:00 amSMF - LHR

2 stops17h 00mMultiple Airlines

Wed 9/246:30 amLHR - SMF

2 stops16h 44mMultiple Airlines

Deal found 4/29

$747

Tue 8/1910:33 amSMF - LHR

1 stop16h 17mFinnair

Thu 8/288:20 amLHR - SMF

1 stop18h 16mFinnair

Deal found 4/29

$748

Thu 7/3111:10 amSMF - LHR

1 stop19h 05mDelta

Tue 8/199:00 amLHR - SMF

2 stops18h 39mDelta

Deal found 4/30

$750

Mon 9/111:00 amSMF - LHR

2 stops17h 50mLufthansa

Wed 9/177:25 amLHR - SMF

2 stops21h 30mLufthansa

Deal found 4/30

$756

Wed 9/38:31 amSMF - LCY

2 stops23h 59mBritish Airways

Tue 9/1611:20 amLCY - SMF

2 stops44h 45mBritish Airways

Deal found 4/30

$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 May 1, 2025.

Tue 5/207:37 pmSMF - LGW

2 stops27h 18mMultiple Airlines

Tue 5/2710:00 amLGW - SMF

2 stops31h 46mMultiple Airlines

Deal found 4/29

$733

Wed 10/82:15 pmSMF - LHR

2 stops19h 25mScandinavian Airlines

Tue 10/286:40 amLHR - SMF

2 stops22h 34mScandinavian Airlines

Deal found 4/29

$735

Mon 9/11:00 pmSMF - LHR

1 stop15h 20mUnited Airlines

Thu 9/182:10 pmLHR - SMF

1 stop15h 34mUnited Airlines

Deal found 4/30

$738

Tue 9/26:46 amSMF - LHR

2 stops19h 14mAir Canada

Wed 9/1710:15 amLHR - SMF

2 stops19h 29mAir Canada

Deal found 4/30

$745

Tue 8/1910:33 amSMF - LHR

1 stop16h 17mFinnair

Thu 8/288:20 amLHR - SMF

1 stop18h 16mFinnair

Deal found 4/29

$748

Thu 7/3111:10 amSMF - LHR

1 stop19h 05mDelta

Tue 8/199:00 amLHR - SMF

2 stops18h 39mDelta

Deal found 4/30

$750

Mon 9/111:00 amSMF - LHR

2 stops17h 50mLufthansa

Wed 9/177:25 amLHR - SMF

2 stops21h 30mLufthansa

Deal found 4/30

$756

Thu 7/3110:56 amSMF - LHR

1 stop15h 54mBritish Airways

Tue 8/192:45 pmLHR - SMF

1 stop15h 13mBritish Airways

Deal found 4/30

$758

Tue 9/92:42 pmSMF - LHR

2 stops18h 33mIberia

Sun 9/218:20 amLHR - SMF

1 stop20h 12mIberia

Deal found 4/29

$771

Mon 5/1211:14 pmSMF - LHR

1 stop13h 31mJetBlue

Fri 5/3011:55 amLHR - SMF

1 stop18h 04mJetBlue

Deal found 4/30

$789

Sun 8/31:56 pmSMF - LHR

1 stop15h 14mKLM

Mon 8/181:05 pmLHR - SMF

1 stop17h 37mKLM

Deal found 4/30

$831

Wed 9/310:10 amSMF - LGW

2 stops41h 05mITA Airways

Wed 9/1712:05 pmLGW - SMF

2 stops38h 29mITA Airways

Deal found 4/30

$969

Last-minute flights from Sacramento to London
Discover last-minute flight deals from Sacramento to London. Data last updated May 1, 2025 and is based on user searches.

Wed 4/304:25 pmSMF - LHR

1 stop14h 15mAmerican Airlines

Wed 8/2012:00 pmLHR - SMF

1 stop16h 39mAmerican Airlines

Deal found 4/30

$883

Sat 5/311:59 pmSMF - LHR

2 stops22h 31mMultiple Airlines

Mon 8/187:30 pmLHR - SMF

2 stops27h 49mMultiple Airlines

Deal found 4/30

$906

Sat 5/32:22 pmSMF - LCY

2 stops39h 58mBritish Airways

Mon 8/187:00 pmLCY - SMF

2 stops31h 34mBritish Airways

Deal found 4/30

$952

Tue 5/611:14 pmSMF - LHR

1 stop13h 31mJetBlue

Tue 5/138:15 amLHR - SMF

1 stop21h 44mJetBlue

Deal found 4/29

$744

Tue 5/69:00 amSMF - LHR

2 stops37h 30mAir Canada

Tue 5/132:05 pmLHR - SMF

2 stops33h 11mAir Canada

Deal found 4/29

$948

Tue 5/610:02 amSMF - LHR

1 stop15h 48mVirgin Atlantic

Tue 5/1311:30 amLHR - SMF

2 stops16h 59mVirgin Atlantic

Deal found 4/29

$955

Tue 5/62:57 pmSMF - LHR

2 stops18h 43mScandinavian Airlines

Tue 5/136:40 amLHR - SMF

3 stops24h 39mScandinavian Airlines

Deal found 4/29

$994

Wed 5/74:00 pmSMF - LHR

1 stop13h 20mMultiple Airlines

Fri 5/2310:50 amLHR - SMF

2 stops40h 48mMultiple Airlines

Deal found 4/29

$1,162

Thu 5/85:34 pmSMF - LHR

1 stop14h 31mBritish Airways

Mon 8/187:30 pmLHR - SMF

2 stops31h 04mBritish Airways

Deal found 4/30

$927

Thu 5/812:09 pmSMF - LHR

2 stops22h 46mAer Lingus

Mon 8/188:10 pmLHR - SMF

2 stops34h 03mAer Lingus

Deal found 4/30

$938

Thu 5/87:57 amSMF - LCY

2 stops26h 43mBritish Airways

Mon 8/187:00 pmLCY - SMF

2 stops33h 39mBritish Airways

Deal found 4/30

$995

Sat 5/102:20 pmSMF - LHR

1 stop36h 30mIberia

Sun 5/2512:00 pmLHR - SMF

1 stop15h 14mIberia

Deal found 4/30

$1,169

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 May 1, 2025.

Thu 8/147:46 pmSMF - LGW

2 stops31h 59mMultiple Airlines

Deal found 4/30

$347

Wed 10/810:45 amSMF - LHR

2 stops17h 10mMultiple Airlines

Deal found 4/29

$399

Tue 9/235:30 amSMF - STN

3 stops24h 50mMultiple Airlines

Deal found 4/30

$403

Mon 8/2511:30 amSMF - LHR

1 stop16h 05mBritish Airways

Deal found 4/30

$443

Mon 8/257:00 amSMF - LGW

2 stops19h 00mDelta

Deal found 4/30

$443

Tue 9/99:10 amSMF - LHR

2 stops15h 45mDelta

Deal found 4/30

$463

Tue 9/912:32 pmSMF - LGW

2 stops23h 28mIberia

Deal found 4/30

$476

Mon 8/259:00 amSMF - LHR

2 stops18h 50mAir Canada

Deal found 4/29

$478

Mon 8/257:04 amSMF - LCY

2 stops28h 51mBritish Airways

Deal found 4/30

$487

Fri 7/2511:09 pmSMF - LHR

1 stop13h 36mJetBlue

Deal found 4/29

$489

Tue 9/235:30 amSMF - LCY

3 stops25h 20mMultiple Airlines

Deal found 4/30

$489

Fri 9/128:31 amSMF - LGW

2 stops18h 09mAmerican Airlines

Deal found 4/30

$493

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 - LGW

SMFLGW

Sacramento Intl

Tue 5/20

7:37 pm-6:55 am

2 stops27h 18m

London Gatwick

Tue 5/27

10:00 am-9:46 am

2 stops31h 46m

$733

SacramentoLondon

SMF - LHR

SMFLHR

Sacramento Intl

Wed 10/8

2:15 pm-5:40 pm

2 stops19h 25m

London Heathrow

Tue 10/28

6:40 am-10:14 pm

2 stops22h 34m

$735

SacramentoLondon

SMF - LHR

SMFLHR

Sacramento Intl

Mon 9/1

1:00 pm-12:20 pm

1 stop15h 20m

London Heathrow

Thu 9/18

2:10 pm-9:44 pm

1 stop15h 34m

$738

SacramentoLondon

SMF - LHR

SMFLHR

Sacramento Intl

Tue 9/2

6:46 am-10:00 am

2 stops19h 14m

London Heathrow

Wed 9/17

10:15 am-9:44 pm

2 stops19h 29m

$745

SacramentoLondon

SMF - LHR

SMFLHR

Sacramento Intl

Wed 8/27

9:00 am-10:00 am

2 stops17h 00m

London Heathrow

Wed 9/24

6:30 am-3:14 pm

2 stops16h 44m

$747

SacramentoLondon

SMF - LHR

SMFLHR

Sacramento Intl

Tue 8/19

10:33 am-10:50 am

1 stop16h 17m

London Heathrow

Thu 8/28

8:20 am-6:36 pm

1 stop18h 16m

$748

SacramentoLondon

SMF - LHR

SMFLHR

Sacramento Intl

Thu 7/31

11:10 am-2:15 pm

1 stop19h 05m

London Heathrow

Tue 8/19

9:00 am-7:39 pm

2 stops18h 39m

$750

SacramentoLondon

SMF - LHR

SMFLHR

Sacramento Intl

Mon 9/1

11:00 am-12:50 pm

2 stops17h 50m

London Heathrow

Wed 9/17

7:25 am-8:55 pm

2 stops21h 30m

$756

SacramentoLondon

SMF - LHR

SMFLHR

Sacramento Intl

Thu 7/31

10:56 am-10:50 am

1 stop15h 54m

London Heathrow

Tue 8/19

2:45 pm-9:58 pm

1 stop15h 13m

$758

SacramentoLondon

SMF - LHR

SMFLHR

Sacramento Intl

Tue 9/9

2:42 pm-5:15 pm

2 stops18h 33m

London Heathrow

Sun 9/21

8:20 am-8:32 pm

1 stop20h 12m

$771

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/30

Showing 1-10 of 48 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 May.

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 $1,103). 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, Alaska Airlines and KLM 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

7,934 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

7,934 reviews

Delta

8.0

Very good

7,934 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.

Alaska Airlines

8.0

Very good

9,972 reviews

Delta

8.0

Very good

7,934 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

1,334 reviews

Delta

8.0

Very good

7,934 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

1,275 reviews

Delta

8.0

Very good

7,934 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

8,696 reviews

Delta

8.0

Very good

7,934 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?
Scandinavian Airlines, at $735, was found to be the cheapest airline from Sacramento to London.Alternate airlines to your destination round-trip include United Airlines and Air Canada. Scandinavian Airlines is 24% 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 British Airways. According to our data, you can fly for as low as $443. Users have also found prices from $443 and $476 on Delta and Iberia, 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 $1,103). 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

Hayes

Hounslow

Thornton Heath

Luton

Horley

Canterbury

Harrow

Wembley

Dover

Gatwick

Orpington

Watford

Croydon

Borehamwood

Folkestone

Ilford

Aylesbury

Sutton

Chelmsford

Brentwood

Browse thousands of different options on Cheapflights for your next trip

Top 9 airlines flying from Sacramento to London

Airline	Cheapest	Average	Flexibility	On-time
Air Canada	Cheapest$643	Average$965	FlexibilityNo cancel fee	On-time67%
British Airways	Cheapest$647	Average$974	FlexibilityNo cancel fee	On-time70%
Delta	Cheapest$683	Average$887	FlexibilityNo cancel fee	On-timeN/A
Scandinavian Airlines	Cheapest$683	Average$770	FlexibilityNo cancel fee	On-time77%
Virgin Atlantic	Cheapest$702	Average$994	FlexibilityNo cancel fee	On-time72%
American Airlines	Cheapest$702	Average$1,031	FlexibilityNo cancel fee	On-time71%
United Airlines	Cheapest$703	Average$944	FlexibilityNo cancel fee	On-time69%
JetBlue	Cheapest$736	Average$947	FlexibilityNo cancel fee	On-time62%
Lufthansa	Cheapest$911	Average$1,724	FlexibilityNo cancel fee	On-time76%

100% Free

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

Book with Flexibility

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

Travel Smart

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

$347+ 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 8/14. 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 May 1, 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 May 1, 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 May.

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 25, 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 May 1, 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

Get insights into the airlines that provide service to London. 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 London. Reviews last updated May 1, 2025.

Peruse reviews from past customers who have flown with Delta, Alaska Airlines and KLM 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?

Traveling to a place near Sacramento?

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Sacramento to London

See prices for flight routes from nearby airports that may be better suited for you.

Top 9 airlines flying from Sacramento to London

100% Free

Book with Flexibility

Travel Smart

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 May 1, 2025.