HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
London

$624+ Cheap flights from Sacramento (SMF) to London, ON (YXU)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 5/11. Fares are subject to change and may not be available on all flights or dates of travel.
SMF — YXU
Apr 2 — Apr 91
Wed 4/2
Wed 4/9
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

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.

Cheap flight deals from Sacramento to London

Discover tips and strategies to find the most affordable flight options for your journey from Sacramento (SMF) to London (YXU). 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 March 28, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$624
(Mytrip)
Provider with most accurate pricing for Sacramento Intl-London flight deals.
Search Deals
Provider most trusted by Cheapflights users for Sacramento Intl-London flights.
Search Deals
From Sacramento Intl to London
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 March 28, 2025.

This Mytrip deal was found by Cheapflights users on 3/27. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/117:37 pmSMF - YXU
3 stops44h 32mMultiple Airlines
Sun 5/186:00 amYXU - SMF
3 stops30h 46mMultiple Airlines
Deal found 3/27$624
This United Airlines deal was found by Cheapflights users on 3/27. 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.
Sun 5/1111:10 amSMF - YXU
2 stops19h 08mUnited Airlines
Sun 5/183:35 pmYXU - SMF
2 stops21h 49mUnited Airlines
Deal found 3/27$709

Cheapflights Fare Finder

Customize your flight search to find flights from Sacramento to London 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 March 28, 2025.
Use the filters below to find and compare flights from Sacramento to London that are best for you.

Fly from

Sacramento

Fly to

London

Route

Depart

Return

Price

SacramentoLondon

SMF - YXU

SMFYXU

Sacramento Intl

Sun 5/11

7:37 pm-7:09 pm

3 stops44h 32m

London

Sun 5/18

6:00 am-9:46 am

3 stops30h 46m

$624

SacramentoLondon

SMF - YXU

SMFYXU

Sacramento Intl

Sun 5/11

11:10 am-9:18 am

2 stops19h 08m

London

Sun 5/18

3:35 pm-10:24 am

2 stops21h 49m

$709

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/27

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 March.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice 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, Ontario flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Sacramento-London, Ontario flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Sacramento-London, Ontario flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Sacramento-London, Ontario 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, Ontario 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

Rainfall in London by month

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

In terms of precipitation, rainfall in London, Ontario ranges from 2.8 - 3.9 inches per month. January is typically the wettest month, when rainfall can reach 3.9 in. March is typically the driest time to visit London, Ontario when rainfall is around 2.8 in.

Temperature in London by month

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

If weather is an important factor for your trip to London, Ontario, 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 68.0 F. Travelers looking to avoid the cold should look outside of February, when temperatures are typically at their lowest (around 21.2 F).

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 March 28, 2025.
United Airlines
7.4
Good
8,603 reviews

Crew

8.1

Comfort

7.3

Entertainment

7.0

Boarding

7.7

Overall

7.4

Food

6.6

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??
United Airlines
7.4
Good
8,603 reviews
United Airlines
7.4
Good
8,603 reviews

Crew

8.1

Comfort

7.3

Entertainment

7.0

Boarding

7.7

Overall

7.4

Food

6.6

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??

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.

  • 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.

Traveling to a place near Sacramento?

Book flights to Sacramento if you plan to visit one of these locations
Grand Bend

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.
Los Angeles to Pearson Intl flights
San Francisco to Pearson Intl flights
Los Angeles to Pierre Elliott Trudeau Intl flights
San Francisco to Pierre Elliott Trudeau Intl flights
San Diego to Pearson Intl flights
Ontario to Pearson Intl flights
Los Angeles to Toronto Island flights
Las Vegas to Pearson Intl flights
Los Angeles to Region of Waterloo Intl flights
San Francisco to Toronto Island flights
San Francisco to Region of Waterloo Intl flights
San Francisco to Hamilton flights
San Diego to Pierre Elliott Trudeau Intl flights
Los Angeles to Hamilton flights
San Jose to Pearson Intl flights
Ontario to Pierre Elliott Trudeau Intl flights
Sacramento to Pearson Intl flights
Oakland to Pearson Intl flights
Santa Ana to Pearson Intl flights
Las Vegas to Pierre Elliott Trudeau Intl flights
San Diego to Toronto Island flights
San Francisco to Ottawa flights
Santa Ana to Pierre Elliott Trudeau Intl flights
Las Vegas to Toronto Island flights
Sacramento to Pierre Elliott Trudeau Intl flights
Burbank to Pearson Intl flights
Los Angeles to Ottawa flights
San Diego to Region of Waterloo Intl flights
Burbank to Pierre Elliott Trudeau Intl flights
Santa Ana to Hamilton flights
San Jose to Pierre Elliott Trudeau Intl flights
Las Vegas to Region of Waterloo Intl flights
Palm Springs to Pearson Intl flights
Las Vegas to Hamilton flights
Fresno to Pearson Intl flights
San Diego to Hamilton flights
Reno to Pearson Intl flights
Oakland to Pierre Elliott Trudeau Intl flights
Palm Springs to Pierre Elliott Trudeau Intl flights
Ontario to Ottawa flights
Sacramento to Hamilton flights
Santa Barbara to Pierre Elliott Trudeau Intl flights
San Diego to Ottawa flights
Los Angeles to Sault Ste Marie flights
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.