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The Cheapest Time to Fly to London & Best Time To Visit

Skyscanner’s latest study on flight prices reveals the best time to book flights to guarantee the best savings. To increase your chances of getting the cheapest flights to London, you should travel in January and book 23 weeks (almost 6 months) in advance.

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Top Flight Deals to London

Origin AirportDestination AirportTravel MonthRound-Trip Price
NewarkLondon HeathrowMay$462
Washington DullesLondon HeathrowMay-June$488
Washington DullesLondon HeathrowNovember$549
Los Angeles (LAX)London HeathrowOct-Nov$419
Los Angeles (LAX)London HeathrowOctober$424
San Francisco London HeathrowAugust$474
Chicago O’HareLondon HeathrowSep-Oct$385
JFK London HeathrowAugust$365
JFKLondon HeathrowOctober$346

When is the cheapest time to fly to London?

In 2019, we recommend flying to London in November for an avg. round trip flight price of $643 compared to the average yearly price of $727. That means you could be saving a potential 11% on your flight to London. Avoid flying in July, which is usually a more popular month for travelers to flock to London. Prices this month go up to an estimated $854 round trip.

When is the best time to book flights to London?

Are you missing out on grabbing the cheapest flights by booking at the wrong time or traveling during a pricey month? It’s difficult to know exactly when the best time to book is, so our Skyscanner Data Scientists have analyzed millions of bookings from the U.S. in 2018 to bring you detailed insights on the best time to fly to London!

Based on historical data, we believe the best month to book your flight to London in 2019 is December, with prices averaging 13% less than the yearly ticket price. Avoid booking in June, where prices hike up to as much as $830 for a round trip ticket. After December, the next best month is September, where the avg. flight price is $656.

Find Last Minute Flight Deals

How many months in advance should I book my flight to London?

The best time to book flights is 3 months in advance

  • If you aren’t ready to plan a trip so far in advance, we recommend booking no later than 2 months in advance
  • Fly into any of these nearby airports: London City Airport (LCY), Gatwick Airport (LGW), Heathrow Airport (LHR), Luton Airport (LTN), Stansted Airport (STN) or London Southend Airport (SEN)
  • Use Skyscanner Price Alerts to track flight prices automatically

There are key steps you can take to find the best time to book and increase your chances of securing the cheapest prices on air travel. These steps include using our new Best Time to Book Flights to London tool, Cheapest Month Search feature and setting up Price Alerts.

Cheapest Month Search feature and setting up Price Alerts.

When is the best time to visit London?

The city is a delight all year-round so there’s really no bad time to visit the English capital. However, if you want to see London at its loveliest, the best time to visit is between March and May. Spring means warmer weather, blooming greenery, and less crowds compared to the high season of summer. The average highs will range from 50°F to 63°F, making it warm enough that you’ll be able to take part in major outdoor activities and events, such as the London Marathon, the Chelsea Flower Show, and even catch a show at some of London’s biggest open-air theatres.

Find Cheap Flights to London
London

Cheap Airline Tickets Anytime, Anywhere

While our research tells us that January is the best month to go, an airline flash sale could change that at any time. That’s why we recommend using Skyscanner’s cheapest month feature to search for tickets if your travel dates are flexible. Also, check out the best time to book flights to other destinations in the US.

Not ready to book? If you want to keep an eye on flight prices without lifting a finger, sign up for a price alert from Skyscanner (it’s free!). We’ll notify you of any price changes so you can snag a great deal the moment the fare drops.

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