Question 1

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

Accepted Answer

Our cheapest airline available from Sacramento to London Heathrow Airport is JetBlue. Our recent data shows that you can find tickets from as low as £589 on this airline. Additional options worth looking into are United Airlines and British Airways, starting at £591 and £593 round-trip. JetBlue is currently priced 17% below the average price you’ll pay for this route.

Question 2

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

Accepted Answer

Booking 68 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.

Question 3

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

Accepted Answer

Currently, January is the cheapest month in which you can book a flight from Sacramento to London Heathrow Airport (average of £112). Flying from Sacramento to London Heathrow Airport in August is currently the most expensive (average of £164). 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.

Question 4

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

Accepted Answer

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

Question 5

E

Accepted Answer

In terms of precipitation, rainfall in London Heathrow Airport ranges from 40.0 - 70.0 inches per month. January is typically the wettest month, when rainfall can reach 70.0 mm. July is typically the driest time to visit London Heathrow Airport when rainfall is around 40.0 mm.

Question 6

E

Accepted Answer

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 17.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 4.0 C).

Question 7

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

Accepted Answer

Friday flights are generally found to be more expensive for flights from Sacramento to London Heathrow Airport. This shouldn’t discourage you from searching, as you can still find great deals by being flexible with your options. Use our search form to find deals on tickets to London Heathrow Airport.

Question 8

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

Accepted Answer

Find a great deal and save up to 31% by booking at least 39 days prior to your desired departure date, rather than waiting until the week of travel. According to our data, there are a number of flights available from Sacramento to London Heathrow Airport within the next two weeks, with the cheapest ticket starting at £513.

Question 9

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

Accepted Answer

Due to multiple factors, expect to potentially pay more when booking in June. For low rates, October can be a great choice for travel to London Heathrow Airport. Flights to London Heathrow Airport from Sacramento in October are about £555 on average during October, but can be found for as low as £378.

Question 10

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

Accepted Answer

When flying from Sacramento to London Heathrow Airport, the time of day you fly usually plays a role in the price. Save by searching for a flight at midday, which can drop the price by up to 29% versus a flight in the morning.

Question 11

What airport do you fly from for flights from Sacramento to London Heathrow?

Accepted Answer

Most people fly from Sacramento Intl (SMF) if they book a flight from Sacramento to London Heathrow. On average, Sacramento Intl has 0 outbound flights to London Heathrow per day from 1 airline. Sacramento Intl is conveniently located just 9.4 mi from Sacramento’s city center.

Question 12

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

Accepted Answer

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

Question 13

How can I find direct flights from Sacramento to Heathrow?

Accepted Answer

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

Question 14

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

Accepted Answer

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.

Question 15

How does Cheapflights help users find flights from Sacramento to Heathrow?

Accepted Answer

When you search for this flight from Sacramento to Heathrow, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

Question 16

Why should you use Cheapflights to find cheap flight tickets from Sacramento to Heathrow?

Accepted Answer

Cheapflights helps you find that perfect flight to Heathrow from Sacramento by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

Question 17

Can Cheapflights find flights from Sacramento to Heathrow with no change fees?

Accepted Answer

Cheapflights does show flights with no change fees to all users. To see these options for flights from Sacramento to Heathrow, users can toggle the no change fees filter when performing a flight search.

Question 18

Can Cheapflights notify me if prices for flights from Sacramento to Heathrow become cheaper?

Accepted Answer

Yes, Cheapflights offers price alerts on Sacramento to Heathrow flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

Round-trip from	£589
One-way from	£219
Popular in	June
Cheapest in	October
Average price	£837

Cheap flights from Sacramento to London Heathrow Airport from £219

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 2/9. Fares are subject to change and may not be available on all flights or dates of travel.

Cheapflights Tip: The best prices from Sacramento Intl to London Heathrow are usually found in October or April, booked 68 days in advance, depart on a Tuesday or Wednesday and return on a Tuesday

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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 4 July 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 4 July 2025.

Cheapflights Fare Finder

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

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 return flight from Sacramento to Heathrow. Price data was last updated on 27 June 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 4 July 2025.

Reviews of airlines servicing Heathrow

See what other customers who have flown with United Airlines, Virgin Atlantic, andJetBlue from Sacramento to London Heathrow Airport have to say. 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 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?

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 airline flying from Sacramento to Heathrow

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How does Cheapflights help users find flights from Sacramento to Heathrow?

Why should you use Cheapflights to find cheap flight tickets from Sacramento to Heathrow?

Can Cheapflights find flights from Sacramento to Heathrow with no change fees?

Can Cheapflights notify me if prices for flights from Sacramento to Heathrow become cheaper?

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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 4 July 2025.