How long is the flight to London?

The duration of your flight to London depends on your departure and arrival airports. Obviously any flights that include a layover will also be longer. The most popular routes to London on KAYAK are from New York , which takes 1h 45m, Boston , which takes 1h 50m, Miami , which takes 3h 10m, and Los Angeles , which takes 4h 42m.

How long is the flight to London?

The duration of your flight to London depends on your departure and arrival airports. Obviously any flights that include a layover will also be longer. The most popular routes to London on KAYAK are from New York , which takes 1h 45m, Boston , which takes 1h 50m, Miami , which takes 3h 10m, and Los Angeles , which takes 4h 42m.

How far is London Airport from central London?

There are 9 km between London downtown and London Airport. Visit our flight page for the latest deals!>/a>

What is the name of London’s airport?

There is only 1 airport in London, called London Airport (YXU). It can also be referred to as London or London Intl. Visit our flight page for the latest deals!>/a>

What is the cheapest day to fly to London?

Based on KAYAK data, the cheapest day to fly to London is Friday where tickets can be as cheap as C$ 508. On the other hand, the most expensive day to fly is Thursday, where prices are C$ 1,380 on average.

How does KAYAK find such low prices on flights to London?

KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights to London. Visit our flight page for the latest deals!>/a>

How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket to London?

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to London is likely to change within 7 days, so travellers know whether to wait or book now. Visit our flight page for the latest deals!>/a>

What is the Hacker Fare option on flights to London?

Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to London with an airline and back with another airline. Visit our flight page for the latest deals!>/a>

What is KAYAK's "flexible dates" feature and why should I care when looking for a flight to London?

Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to London up to 3 days before/after your preferred dates. You can then pick the flights that suit you best. Visit our flight page for the latest deals!>/a>

How many direct flights to London are there each day?

There are around 4 direct flights from within United States to London every day. Most flights depart in the evening, with 4:00 p.m. the most common departure time and 26% of flights departing in the evening.

How many direct flights to London are there each day?

There are around 4 direct flights from within United States to London every day. Most flights depart in the evening, with 4:00 p.m. the most common departure time and 26% of flights departing in the evening.

How many direct flights to London are there each week?

Each week there are around 27 direct flights from within United States to London. The most common day for departures is Tuesday, with 15% of flights taking off on this day.

C$ 241 Cheap Flights from the United States to London

KAYAK searches hundreds of travel sites at once for deals on flights to London

...and more

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Cheapest round-trip

C$ 390

Air Canada

Thu 22/1Mon 26/1

SEA - YXU • 2 stops

Cheapest one-way flights

C$ 233

Multiple Airlines

Wed 21/1

JFK - YXU • 3 stops

Our travellers' advice

AI-powered summary based on content written by travel experts. AI can make mistakes.

United's Economy Plus offers six extra inches of legroom.

WestJet's Extended Comfort seats include priority boarding.

Expert advice

Start a new search

KAYAK searches hundreds of sites at once to find you the best travel deals.

We hope you love your trip to London!

Flight Deals

Cheap Flights from the United States to London

Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from the United States to London that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.

Discover the best prices for you by selecting your travel dates on KAYAK.

Round-trip

One-way

Last minute

Recent round-trip flight deals from the United States to London

Thu, 22 Jan - Mon, 26 Jan

8:00 p.m. - 8:46 a.m.

SEA

YXU

9h 46m2 stops

5:40 p.m. - 10:16 p.m.

YXU

SEA

7h 36m1 stop

C$ 390Air Canada

Thu, 22 Jan - Mon, 26 Jan

8:10 a.m. - 9:21 p.m.

SEA

YXU

10h 11m1 stop

5:40 p.m. - 10:16 p.m.

YXU

SEA

7h 36m1 stop

C$ 416Air Canada

Thu, 8 Jan - Thu, 15 Jan

3:10 p.m. - 6:34 a.m.

SEA

YXU

12h 24m1 stop

8:10 p.m. - 10:22 a.m.

YXU

SEA

17h 12m2 stops

C$ 436WestJet

Sun, 25 Jan - Sun, 1 Feb

8:45 a.m. - 6:34 a.m.

ATL

YXU

21h 49m1 stop

8:10 p.m. - 7:05 a.m.

YXU

ATL

34h 55m2 stops

C$ 518WestJet

Thu, 22 Jan - Mon, 26 Jan

12:57 p.m. - 5:05 p.m.

SEA

YXU

25h 08m3 stops

9:50 a.m. - 10:43 p.m.

YXU

SEA

15h 53m2 stops

C$ 542United Airlines

Fri, 16 Jan - Fri, 23 Jan

12:57 p.m. - 5:05 p.m.

SEA

YXU

25h 08m3 stops

5:10 a.m. - 10:43 p.m.

YXU

SEA

20h 33m3 stops

C$ 549United Airlines

Mon, 26 Jan - Mon, 2 Feb

5:25 a.m. - 6:34 a.m.

EWR

YXU

25h 09m2 stops

8:10 p.m. - 9:14 p.m.

YXU

EWR

25h 04m3 stops

C$ 651Multiple Airlines

Mon, 26 Jan - Mon, 2 Feb

11:59 a.m. - 6:34 a.m.

LGA

YXU

18h 35m2 stops

8:10 p.m. - 7:00 p.m.

YXU

LGA

22h 50m3 stops

C$ 671Multiple Airlines

Fri, 15 May - Sat, 30 May

9:05 a.m. - 5:12 a.m.

SJC

YXU

17h 07m2 stops

6:00 a.m. - 5:04 p.m.

YXU

SJC

14h 04m2 stops

C$ 975Delta

Fri, 15 May - Sat, 30 May

9:05 a.m. - 5:12 a.m.

SJC

YXU

17h 07m2 stops

6:00 a.m. - 5:04 p.m.

YXU

SJC

14h 04m2 stops

C$ 976Delta

Booking Insights

KAYAK's insights & trends for flights to London

Get data-powered insights and trends into flights to London to help you find the cheapest flights, the best time to fly and much more.

Airlines

The most popular airline among KAYAK users flying to London is Air Canada, followed by Porter Airlines and WestJet.

Expert advice

Airlines

Air Canada

Air Canada offers priority check-in for higher fare classes and elite status members.

Air Canada's Preferred Economy seats offer up to four extra inches of legroom for an additional fee.

WestJet

WestJet's Premium cabin offers recliner-style seats with up to seven inches of extra legroom.

WestJet's Extended Comfort seats provide three to six inches of extra legroom and priority boarding.

United Airlines

United's Economy Plus seats provide up to six inches more legroom than standard economy seats.

United offers Priority Boarding for purchase, placing you in Zone 2 to secure overhead bin space.

Our travel experts

Stefanie Waldek

Expert on Air Canada, WestJet and United Airlines

Low season	April
High season	July

Best time to beat the crowds (23% less expensive on average)

Most popular time to fly (29% more expensive on average)

How far is London Airport from central London?
There are 9 km between London downtown and London Airport.
What is the name of London’s airport?
There is only 1 airport in London, called London Airport (YXU). It can also be referred to as London or London Intl.
What is the cheapest day to fly to London?
Based on KAYAK data, the cheapest day to fly to London is Friday where tickets can be as cheap as C$ 508. On the other hand, the most expensive day to fly is Thursday, where prices are C$ 1,380 on average.
How does KAYAK find such low prices on flights to London?
KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights to London.
How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket to London?
KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to London is likely to change within 7 days, so travellers know whether to wait or book now.
What is the Hacker Fare option on flights to London?
Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to London with an airline and back with another airline.
What is KAYAK's "flexible dates" feature and why should I care when looking for a flight to London?
Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to London up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.
How many direct flights to London are there each week?
Each week there are around 27 direct flights from within United States to London. The most common day for departures is Tuesday, with 15% of flights taking off on this day.

Enter your preferred departure airport and travel dates into the search form above to unlock the latest London flight deals.

Grand Bend

Port Stanley

Everything you need to know for your flight to London

Airports

Cabin class

Complete your trip

Flights to other cities

Origins

Other airports

Return flight deals

Information on the airport you'll fly into in London

London (YXU)

C$ 233 Find Cheap Flights from the United States to London

KAYAK searches hundreds of travel sites at once for deals on flights to London

Everything you should know

Cheap Flights from the United States to London

Recent round-trip flight deals from the United States to London

Recent one-way flight deals from the United States to London

Recent last minute flight deals from the United States to London

KAYAK's insights & trends for flights to London

Get data-powered insights and trends into flights to London to help you find the cheapest flights, the best time to fly and much more.

What are the most popular airlines flying to London?

The most popular airline among KAYAK users flying to London is Air Canada, followed by Porter Airlines and WestJet.

How long is the flight to London?

How many direct flights to London are there each day?

There are around 4 direct flights from within United States to London every day. Most flights depart in the evening, with 4:00 p.m. the most common departure time and 26% of flights departing in the evening.

Expert advice for your flight to London

Good to know

FAQs - booking London flights

How far is London Airport from central London?

There are 9 km between London downtown and London Airport.

What is the name of London’s airport?

There is only 1 airport in London, called London Airport (YXU). It can also be referred to as London or London Intl.

What is the cheapest day to fly to London?

Based on KAYAK data, the cheapest day to fly to London is Friday where tickets can be as cheap as C$ 508. On the other hand, the most expensive day to fly is Thursday, where prices are C$ 1,380 on average.

How does KAYAK find such low prices on flights to London?

KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights to London.

How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket to London?

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to London is likely to change within 7 days, so travellers know whether to wait or book now.

What is the Hacker Fare option on flights to London?

Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to London with an airline and back with another airline.

What is KAYAK's "flexible dates" feature and why should I care when looking for a flight to London?

Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to London up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

How many direct flights to London are there each week?

Each week there are around 27 direct flights from within United States to London. The most common day for departures is Tuesday, with 15% of flights taking off on this day.

Top tips for finding cheap flights to London

Travelling to a place near London?

Everything you need to know for your flight to London

Information on the airport you'll fly into in London

Cabin class types available on flights to London

Complete your trip to London with a hotel stay or car rental

Flights to other popular destinations

Flights from local origins to London

Choose which airport to fly into in London

Find deals for your return flight