Find flights
Deals
Insights
When to book
FAQs & Tips
Direct Flights
Airlines

YXU

$251 Find cheap flights to London, Ontario

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight to London departing on 6/15. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
0 bags
Mon 5/27
Mon 6/3

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

 
These are the airlines KAYAK users have selected most often from within our search results for flights to London, as well as popular online travel agencies
These are the airlines KAYAK users have selected most often from within our search results for flights to London, as well as popular online travel agencies
In the last 7 days travelers have searched 43,623,357 times on KAYAK, and here is why:

Save 22% or moreCompare multiple travel sites with one search.

Track pricesNot ready to book? Create a price alert for when prices drop.

Filter your dealsChoose cabin class, free Wi-Fi and more.

Bundle and saveSave money when you bundle your flight + hotel.

Cheap flight deals to London

Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights 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 and deals for you by selecting your travel dates.
Choose your dates
6:05 pm - 5:18 amLAX-YXU
8h 13m1 stop
6:15 am - 3:25 pmYXU-LAX
12h 10m2 stops
$465WestJet
Find Deal
Fri, Aug 23 - Tue, Aug 27
6:15 pm - 5:18 amSEA-YXU
8h 03m1 stop
6:15 am - 5:21 pmYXU-SEA
14h 06m1 stop
$480WestJet
Find Deal
Sun, Aug 25 - Tue, Aug 27
9:00 pm - 6:59 pmLAX-YXU
18h 59m2 stops
6:15 am - 3:25 pmYXU-LAX
12h 10m2 stops
$489WestJet
Find Deal
Fri, Aug 23 - Tue, Aug 27
7:05 pm - 9:15 amSEA-YXU
11h 10m2 stops
3:20 pm - 9:58 pmYXU-SEA
9h 38m1 stop
$492Air Canada
Find Deal
Sun, Aug 25 - Tue, Aug 27
7:05 pm - 9:15 amSEA-YXU
11h 10m2 stops
6:00 am - 12:30 pmYXU-SEA
9h 30m2 stops
$497Air Canada
Find Deal
Sun, Aug 25 - Tue, Aug 27
7:00 am - 6:59 pmLAX-YXU
8h 59m1 stop
6:15 am - 1:51 pmYXU-LAX
10h 36m1 stop
$499WestJet
Find Deal
Sun, Jun 16 - Sat, Aug 17
5:10 pm - 2:45 pmLAX-YXU
18h 35m2 stops
3:20 pm - 11:59 pmYXU-LAX
11h 39m2 stops
$515United Airlines
Find Deal
Fri, Aug 23 - Tue, Aug 27
11:30 pm - 5:30 amLAX-YXU
27h 00m3 stops
8:00 pm - 10:56 amYXU-LAX
17h 56m2 stops
Sun, May 26 - Sun, Jun 2
12:45 pm - 5:30 amMSP-YXU
15h 45m2 stops
8:00 pm - 5:44 amYXU-MSP
34h 44m2 stops
Sun, May 26 - Sun, Jun 2
7:19 pm - 2:46 pmBOS-YXU
19h 27m2 stops
6:00 am - 2:40 pmYXU-BOS
8h 40m2 stops
$915United Airlines
Find Deal
Tue, May 7 - Sat, May 11

Flights to London - Travel Insights & Trends

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

What is the cheapest day to fly to London?

The average price of all flights to London, Ontario clicked on KAYAK for each day over the last 12 months.
Based on KAYAK data, the cheapest day to fly to London is Tuesday where tickets can be as cheap as $500. On the other hand, the most expensive day to fly is Thursday, where prices are $657 on average.

What is the cheapest month to fly to London, Ontario?

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for flights to London, Ontario, removes the top 0.1% to account for outliers, and then takes the median of all values for each month.
The cheapest month for flights to London, Ontario is May, where tickets cost $269 on average for one-way flights. On the other hand, the most expensive months are April and September, where the average cost of tickets from the United States is $738 and $700 respectively. For return trips, the best month to travel is January with an average price of $127.

What is the cheapest time of day to fly to London, Ontario?

The average price for all flights to London, Ontario depending on the time of departure, clicked by users on KAYAK in the last 2 weeks.
The cheapest time of day to fly to London, Ontario is generally in the afternoon, when flights cost $458 on average. The most expensive time of day to fly to London, Ontario is generally in the evening, which is peak travel time and where the average cost of a ticket is $566.

How far in advance should I book a flight to London, Ontario?

To calculate daily average prices, KAYAK takes all prices for each day before departure over the last year for flights to London, Ontario, removes the top 0.1% to account for outliers, and then takes the average of all the values for each month.
To get a below average price, you should book around 2 weeks before departure. For the absolute cheapest price, our data suggests you should book 44 days before departure.

How long is the flight to London, Ontario?

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 Newark, which takes 1h 38m, New York, which takes 1h 45m, Miami, which takes 3h 10m, and Los Angeles, which takes 4h 45m.

Good to know

Low season

May

High season

August

Cheapest flight

$251
Best time to beat the crowds with an average 44% drop in price.
Most popular time to fly and prices are also 0% lower on average.
Flight from Seattle to London

When to book flights to London

Are your dates flexible? Find out the best times to travel to London based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price
KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or round-trips with a duration up to 40 days. The information is for flights to London based on your location. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

FAQs - booking London flights

  • How far is London from central London?

    There are 5 miles between London city center and London.

  • What is the name of London’s airport?

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

  • 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 travelers 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.

  • Which airline offers the most flights to London, Ontario?

    Of the 2 airlines that fly to London, Ontario, Air Canada offers the most flights, with around 21 per week, followed by WestJet with 11 flights per week.

See more FAQs

Top tips for finding cheap flights to London

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

Prefer to fly non-stop to London?

Find which airlines fly direct to London, which days they fly and book direct flights.

Nonstop departures

United States to London

Monday

Air Canada, Avianca, Delta, +5 more

Air Canada, Avianca, +6 more

Tuesday

Air Canada, Avianca, Delta, +4 more

Air Canada, Avianca, +5 more

Wednesday

Air Canada, Avianca, Delta, +4 more

Air Canada, Avianca, +5 more

Thursday

Air Canada, Avianca, Delta, +5 more

Air Canada, Avianca, +6 more

Friday

Air Canada, Avianca, Delta, +5 more

Air Canada, Avianca, +6 more

Saturday

Air Canada, Avianca, Delta, +5 more

Air Canada, Avianca, +6 more

Sunday

Air Canada, Avianca, Delta, +5 more

Air Canada, Avianca, +6 more

See more direct flights

Nonstop returns

London to United States

Monday

Air Canada, Avianca, Delta, +5 more

Air Canada, Avianca, +6 more

Tuesday

Air Canada, Avianca, Delta, +4 more

Air Canada, Avianca, +5 more

Wednesday

Air Canada, Avianca, Delta, +4 more

Air Canada, Avianca, +5 more

Thursday

Air Canada, Avianca, Delta, +5 more

Air Canada, Avianca, +6 more

Friday

Air Canada, Avianca, Delta, +5 more

Air Canada, Avianca, +6 more

Saturday

Air Canada, Avianca, Delta, +5 more

Air Canada, Avianca, +6 more

Sunday

Air Canada, Avianca, Delta, +5 more

Air Canada, Avianca, +6 more

See more direct flights
See more direct flights

Top airlines flying to London

 
See real verified KAYAK customer reviews for airlines flying to London. Airline scores are aggregated from all reviews left by passengers on KAYAK after flying with an airline from the United States to London. KAYAK doesn’t show reviews that are older than 5 years. Learn how KAYAK collects reviews.
Need help choosing which airline to fly with to London? KAYAK airline reviews give an overall score for each airline based on loads of factors, including comfort, boarding, in-flight entertainment and more, to make your decision easier. See airline scores according to verified KAYAK customer reviews.
7.4
United AirlinesOverall score based on 11228 reviews
7.1entertainment
6.7food
7.7boarding
8.1crew
7.2comfort
Airline reviews

I was told we'd have a hot breakfast option in first class, so I chose not get a hot breakfast. It was a very strange meal, but the fresh fruit was very good quality. Service was excellent from ORD to ELP. No service from MBS to ORD, not even water. However, when flying American from FNT to ORD, which is a shorter flight, they at least pass out snacks and offer water.

8.0 ExcellentMichelle, Apr 2024MBS - ORD
Read more about United Airlines reviews

I was told we'd have a hot breakfast option in first class, so I chose not get a hot breakfast. It was a very strange meal, but the fresh fruit was very good quality. Service was excellent from ORD to ELP. No service from MBS to ORD, not even water. However, when flying American from FNT to ORD, which is a shorter flight, they at least pass out snacks and offer water.

Last minute gate change nearly caused us to miss our flight. Change was not announced or displayed in the main board at the old gate. Terrible communication. When we landed we had to wait 20 minutes because there was another plane at the assigned gate. Not the crew’s fault, but adding 20 minutes to a 45 minute flight sucked.

Nothing beats ANA customer service on my opinion. Maybe because of their Japanese culture (and food). Arigatō

So so. Terrible aircraft choice for that leg of the flight.

Due to one crew member not showing up to work, our flight was significantly delayed causing us to miss our connecting flight in Houston to Mississippi causing us to be delayed by more than 6 hours and missing our event all together. Very disappointing. All because ONE crew member called in sick. United did grant us a $15 meal voucher, which was a small but appreciated concession that I wasn’t able to use because I ordered my lunch and paid for it before applying the concession, and the staff said it was too late to use it. Ugh! We also had a TWO delay coming back from Mississippi, but that was on American Airlines and it was due to weather, so not their fault. Anyway, not at all impressed with United’s handling of our flight and the HUGE disappointment of missing our important family event for our 90 year old mother. All that money and all that stress and emotions for nothing. Having to wait the hour to bring an employee from LAX seemed like something that should not have happened. Why don’t you have a local back-up? Santa Ana is not a little airport in a rural area.

Flight delayed from Cape Town to Washington then got diverted to miami and in miami we had to fend for ourselves , im still trying to get to Shreveport now

delay several times and wait extra long to board. no entertainment service because there are problem for some rows. always encounter some delays for the last flight of the day.

I just wrote a text which was supposed to be for the flight from Denver to spokane not Frankfurt to Denver.

On time every leg of the journey and exceptional staff at counter, gate, and on board. I haven’t travelled in US for a long time and was genuinely surprised how pleasant this was.

Hated every minute of it. This flight should have only taken 1.5hrs but was delayed over 10hours. Now I am being told I cannot be compensated or refunded my ticket price or extra leg room, which I purchased but did not receive, because the airline is throwing the blame on the 3rd party I purchased tickets through and 3rd party putting the blame on airline. No one wants to help. They received their money and that's all they care about. Im going on 3 days of still trying to get to my final destination, had to cancel car rental, car insurance and hotel. Currently staying in airport until hotels open up. Thank you Lufthansa, Kayak, Underpricer and United for making this trip the worst ever.

Food was icecold or frozen including breakfast. Hopeless service. Rude crew.

The flight was very uncomfortable and there was no snacks served for the 13 hours international flight. In addition, the flight was delayed 3 hours

Due to a strike taking place with the airline, it negatively impacted my flight in multiple ways. My flight was delayed over 2 hours and the food served was mediocre at best.

Cabin crew were great. Seats are criminal for tall people

My flight was great! Gate attendants and crew were great… pleasant and in good spirits. Flight delayed several hours and we were well informed of the status while on plane. Thank you!

The fact that I got to Toronto alive and well and safe is a huge plus. I thank the captain and crew for a safe flight The comfort of the aircraft leaves much to be desired. Human beings should not have to be that cramped and squashed on a flight that we pay a lot for and even have to pay for lousy food choices The cabin crew were pleasant and helpful Kudos to them as the flight was packed to capacity and there was a lot of work for them in a short space of time All in all a good experience, but too cramped

Overall I will say it was a very good experience. It was as comfortable as can be expected for such a long flight - 12 hours from Toronto to Tokyo. Everyone was very pleasant and polite. Even the passengers were cooperative and trying to be nice to each other. Of course the space is limited on such a long flight. The bathrooms were actually very clean. The food was very good. I liked how there was a variety of food options. The in flight entertainment system was also very impressive! There were some children on the flight but they were well behaved and hardly ever crying. Great Job Canada Air! I will definitely fly with Air Canada again!

Lost my bag. My first ever flight with them that they forced me to gate check my bag on, due to them having a 30 year old plane with small carry on bins, and they lost my bag. Never again.

The trip was fine and uneventful. The seat in business class was very uncomfortable which was disappointing given the extra cost. It was spacious but it felt like I was sitting on metal bars. The food in business class wasn't very good. The flight was ahead of time, the staff was professional and courteous and our luggage arrived safely.

Again we were late leaving Austin , there was no tv screen for the 3.5 hr flight, the pizza I bought was kinda bland

Book Cheap London Plane Tickets

Recent round-trip flight deals

 
These are the cheapest round-trip flights to London found on KAYAK in the last 72 hours.
8/23Fri
1 stopWestJet
8h 13mLAX-YXU
8/27Tue
2 stopsWestJet
12h 10mYXU-LAX
$465
8/25Sun
1 stopWestJet
8h 03mSEA-YXU
8/27Tue
1 stopWestJet
14h 06mYXU-SEA
$480
8/23Fri
2 stopsWestJet
18h 59mLAX-YXU
8/27Tue
2 stopsWestJet
12h 10mYXU-LAX
$489
8/25Sun
2 stopsAir Canada
11h 10mSEA-YXU
8/27Tue
1 stopAir Canada
9h 38mYXU-SEA
$492
8/25Sun
2 stopsAir Canada
11h 10mSEA-YXU
8/27Tue
2 stopsAir Canada
9h 30mYXU-SEA
$497
6/16Sun
1 stopWestJet
8h 59mLAX-YXU
8/17Sat
1 stopWestJet
10h 36mYXU-LAX
$499
8/23Fri
2 stopsUnited Airlines
18h 35mLAX-YXU
8/27Tue
2 stopsUnited Airlines
11h 39mYXU-LAX
$515
5/26Sun
3 stops
27h 00mLAX-YXU
6/2Sun
2 stops
17h 56mYXU-LAX
$638
5/26Sun
2 stops
15h 45mMSP-YXU
6/2Sun
2 stops
34h 44mYXU-MSP
$648
5/7Tue
2 stopsUnited Airlines
19h 27mBOS-YXU
5/11Sat
2 stopsUnited Airlines
8h 40mYXU-BOS
$915

Search by stops

Search by airline

Search by price

Recent one-way flight deals

 
Only flying one-way? Below are some of the best deals for one-way flights to London found on KAYAK in the last 72 hours.
6/15Sat
1 stopAir Canada
7h 06mSEA-YXU
$251
6/15Sat
2 stopsAir Canada
11h 11mSEA-YXU
$256
6/15Sat
2 stopsUnited Airlines
18h 36mSEA-YXU
$261
7/21Sun
2 stops
15h 45mMSP-YXU
$292
7/21Sun
1 stopAir Canada
5h 10mMSP-YXU
$343
5/14Tue
2 stopsAir Canada
7h 46mLGA-YXU
$364
5/14Tue
1 stopAir Canada
4h 06mLGA-YXU
$365
7/21Sun
3 stops
44h 34mMSP-YXU
$375
7/11Thu
2 stopsUnited Airlines
7h 45mORD-YXU
$428
5/4Sat
2 stopsWestJet
30h 14mJFK-YXU
$1,624

Search by stops

Search by airline

Search by price

Recent domestic flight deals

6/16Sun
multi-stopWestJet
6h 33mYEG-YXU
6/18Tue
multi-stopWestJet
6h 26mYXU-YEG
$368
6/16Sun
multi-stopWestJet
6h 33mYEG-YXU
6/21Fri
multi-stopWestJet
6h 26mYXU-YEG
$387
6/20Thu
multi-stopWestJet
6h 33mYEG-YXU
6/21Fri
multi-stopWestJet
6h 26mYXU-YEG
$391
6/18Tue
multi-stopAir Canada
5h 45mYEG-YXU
6/21Fri
multi-stopAir Canada
8h 30mYXU-YEG
$392
6/21Fri
multi-stopWestJet
6h 33mYEG-YXU
6/24Mon
multi-stopWestJet
6h 26mYXU-YEG
$399
6/16Sun
multi-stopWestJet
6h 33mYEG-YXU
6/19Wed
multi-stopWestJet
6h 26mYXU-YEG
$401
6/18Tue
multi-stopAir Canada
14h 15mYEG-YXU
6/21Fri
multi-stopAir Canada
8h 30mYXU-YEG
$415
6/17Mon
multi-stopAir Canada
6h 25mYEG-YXU
6/21Fri
multi-stopAir Canada
9h 02mYXU-YEG
$495
6/26Wed
multi-stop
28h 15mYVR-YXU
6/30Sun
multi-stop
7h 09mYXU-YVR
$518
6/18Tue
multi-stopAir Canada
14h 15mYEG-YXU
6/21Fri
multi-stopAir Canada
9h 02mYXU-YEG
$519

Search by stops

Search by airline

Search by price

Last minute flights to London

Last minute flight, train and bus deals

 
These last-minute flight deals are the cheapest flights found on KAYAK in the last 72 hours for flights to London that are departing in the next 10 days.
4/29Mon
multi-stopWestJet
21h 48mMSP-YXU
5/1Wed
multi-stopWestJet
15h 49mYXU-MSP
$1,028
4/30Tue
multi-stop
33h 00mJFK-YXU
5/1Wed
multi-stop
20h 39mYXU-JFK
$1,028
4/30Tue
multi-stopAir Canada
5h 01mJFK-YXU
5/1Wed
multi-stopAir Canada
16h 18mYXU-JFK
$1,166
4/30Tue
multi-stopAir Canada
12h 41mLGA-YXU
5/1Wed
multi-stopAir Canada
7h 01mYXU-LGA
$1,172
4/29Mon
multi-stopAir Canada
5h 11mMSP-YXU
5/2Thu
multi-stopAir Canada
5h 37mYXU-MSP
$1,275
4/29Mon
multi-stopWestJet
21h 48mMSP-YXU
5/2Thu
multi-stopWestJet
24h 32mYXU-MSP
$1,276
4/29Mon
multi-stopAir Canada
5h 11mMSP-YXU
5/2Thu
multi-stopAir Canada
10h 20mYXU-MSP
$1,280
4/29Mon
multi-stopAir Canada
7h 01mMSP-YXU
4/30Tue
multi-stopAir Canada
10h 50mYXU-MSP
$1,289
4/29Mon
multi-stopAir Canada
5h 11mMSP-YXU
5/1Wed
multi-stopAir Canada
20h 19mYXU-MSP
$1,290
4/30Tue
multi-stopAir Canada
7h 01mMSP-YXU
5/1Wed
multi-stopAir Canada
18h 25mYXU-MSP
$1,299

Search by stops

Search by airline

Search by price