C$ 140 Find Cheap Flights from London to North America – Compare and Save

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Best North America Flight Deals from London

Cheapest round-trip prices found by our users on KAYAK in the last 5 days
Calgary
CalgarydirectC$ 289
Cancún
CancúndirectC$ 431
Fort Lauderdale
Fort LauderdaledirectC$ 269
Orlando
OrlandodirectC$ 311
New York
New York1 stopC$ 773
Los Angeles
Los Angeles2 stopsC$ 516
Las Vegas
Las Vegas2 stopsC$ 413
Halifax
Halifax1 stopC$ 534
Puerto Vallarta
Puerto Vallarta1 stopC$ 509
Winnipeg
Winnipeg1 stopC$ 383
Ottawa
Ottawa1 stopC$ 380
Miami
Miami1 stopC$ 565
Kelowna
Kelowna1 stopC$ 404
Mexico City
Mexico City2 stopsC$ 655
San Francisco
San Francisco1 stopC$ 444
Calgary
CalgarydirectC$ 289
Cancún
CancúndirectC$ 431
Fort Lauderdale
Fort LauderdaledirectC$ 269
Orlando
OrlandodirectC$ 311
New York
New York1 stopC$ 773
Los Angeles
Los Angeles2 stopsC$ 516
Las Vegas
Las Vegas2 stopsC$ 413
Halifax
Halifax1 stopC$ 534
Puerto Vallarta
Puerto Vallarta1 stopC$ 509
Winnipeg
Winnipeg1 stopC$ 383
Ottawa
Ottawa1 stopC$ 380
Miami
Miami1 stopC$ 565
Kelowna
Kelowna1 stopC$ 404
Mexico City
Mexico City2 stopsC$ 655
San Francisco
San Francisco1 stopC$ 444
Booking Insights

KAYAK's insights & trends for London to North America flights

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

What is the cheapest time of day to fly to North America?

The cheapest time of day to fly to North America is generally in the morning, when round-trip flights cost C$ 810 on average. Morning departures are around 11% cheaper than evening flights, on average. The most expensive time of day to fly to North America is generally in the evening, which is peak travel time and where the average cost of a ticket is C$ 912.

Can I save money by flying with a layover from London to North America?

No, with an average price for the route of C$ 653, prices are generally cheapest when you fly direct.

What is the cheapest month to fly from London to North America?

The cheapest month for flights from London to North America is April, when tickets cost C$ 395 (return) on average. On the other hand, the most expensive months are December and August, when the average cost of round-trip tickets is C$ 651 and C$ 553 respectively.

What’s the cheapest day of the week to fly from London to North America?

When flying from London to North America, you should consider leaving on a Monday and avoid Sundays if you are looking for the best rates. For your return to London, you’ll find the best rates on Thursdays and the most expensive ones on Sundays.

Good to know

Low season

November

Cheapest flight

C$ 140
Best time to beat the crowds (10% less expensive on average)
Most popular time to fly (9% more expensive on average)
Flight from London to Calgary

Flights from London to North America: the best tips from KAYAK users

Insights shared by verified travellers who flew the route from London to North America 
StanleyFlew with WestJet-Jun 2025
Make sure you are not connecting, passengers missed their connecting flight, timing is very important!
Verified travelerFlew with WestJet-Jun 2024
Bring comfortable walking shoes we used every area of the airport departures in trying to finally take off

FAQs - booking North America flights

  • How does KAYAK find such low prices on flights from London to North America?

    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 from London to North America.

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

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

  • What is the Hacker Fare option on flights from London to North America?

    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 from London to North America 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 from London to North America?

    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 from London to North America up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

  • How many flights are there between London and North America per day?

    Each day, there are between 4 and 6 direct flights that take off from London and land in North America, with an average flight time of 1h 53m. The most common departure time is 5:00 p.m. and most flights take off in the morning, while the most flights land at Toronto Pearson Intl Airport. Each week, there are 39 flights. The most frequent day of departure is Thursday, when 15% of all weekly flights depart. The fewest flights depart on a Wednesday.

Top tips for finding cheap flights to North America

  • Looking for a cheap flight? 25% of our users found tickets from London to the following destinations at these prices or less: Winnipeg C$ 207 one-way - C$ 374 round-trip; Calgary C$ 164 one-way - C$ 356 round-trip; Toronto C$ 440 one-way - C$ 700 round-trip

Reviews of the top 5 airlines flying from London to North America

 
Need help choosing which airline to fly with from London to North America? 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.
8.0
Porter AirlinesOverall score based on 458 reviews
7.6Food
6.9Entertainment
8.0Comfort
8.2Boarding
8.6Crew
Airline reviews

A very comfortable flight, an additional wash room could have made it almost perfect.

10.0 ExcellentAnonymous, Aug 2026
Read more Porter Airlines reviews

A very comfortable flight, an additional wash room could have made it almost perfect.

Seats not as comfortable but understand as it was a smaller plane/ short flight. All in all, I’ve never had any issues with Porter. Great company to fly with

Look, I understand that Kayak doesn't know I cancelled my flight on Porter. So I didn't actually fly yesterday. My main disappointment is with Porter ticket fare policies, and maybe you can pass this on to them: At my employer's request, I had booked a full fare ticket with no change fees since my trip to Toronto would likely be extended. Indeed, when I went to change my flight home to a later date, I was told the Fare Difference would cost an additional $550. So much for no change fees lol! While I had the agent on the line, I hopped over to Kayak, searched for new flights on the date in question, and saw a one-way ticket that got me home for only $355. So I got reimbursed about $450for the unused half of my roundtrip and bought a new ticket for $355. What good is a full fare / no change fee ticket if they screw you with "fare difference" BS. I'm still flying home on Porter Airlines but they just lost a hundred bucks with their stupid shenanigans.

I flew with Porter yesterday and overall had a positive experience. The flight was delayed, but the airline did a good job keeping passengers informed with frequent updates throughout the process. My biggest challenge was actually in Terminal 3, where the speaker system wasn’t very clear. It was often difficult to hear the announcements, which made it harder to follow updates at the gate. On board, the experience improved significantly. The aircraft felt very new and well maintained, and the seats were surprisingly comfortable for a short-haul flight. One of the flight attendants seemed a little disengaged, but the other was excellent—friendly, professional, and a pleasure to interact with. Despite the delay, the comfortable aircraft, clear communication from Porter, and positive onboard service made for a good overall experience.

The staff was amazing. Best service I’ve had on an aircraft in a long time. Was not particularly happy with the food. Flight was at 10:50 and left home too early for breakfast and wasn’t able to purchase food at airport and felt for sure I could get some breakfast to buy on airplane. Nope as food was served around 11:30 and only one choice left (I was at 22C) so ordered the chicken dish thinking I’m getting a hot meal but cold chicken with rice and carrots etc. I was looking forward to a croissant sandwich and a hot cup of tea. The FA was kind to explain they were serving dinner at that time. She was lovely Other than the disappointment with the food the staff was amazing. On my return flight I will make sure to eat and take some food with me so I’m not hungry or disappointed. This was my second time ever flying Porter and will consider checking them when I next come to visit my daughter. Have to say it again best crew I’ve ever experienced on a flight and I travel quite a bit. Thanks.

I didn’t receive any help when they messed up and wasn’t honest and the supervisor did absolutely nothing to help me so I had to buy another ticket at $537

It was okay. Had a thing with the front desk, she had me repack my suitcases to have them be under the weight restrictions, but then the other one was overweight, she argued with me about it when there were tons of people in line. Wasn’t great.

Due to a known technical error that Porter has not fixed in over a year, I was unable to check in the children on my reservation online and had to do it at the airport. Upon check in, there were no seats together, which was an issue as we had young children. The gate agent did manage to seat us together by moving other passengers, which was appreciated, but the other passengers were never informed, leading to confusion and delay upon boarding. The flight was over an hour late; no explanation or apology was ever issued. The bags on Porter take a long time to arrive--over half an hour at Hamilton on my inbound flight, and not much better on my return to Edmonton.

3.5 hr delay for a 1 hr work flight. No information as to why the delay until 20 mins before boarding.

Organization and the adjusted times but the snacks could be of a bigger portion

Flight was really good, with no middle section on an A321neo for an international flight, from Ottawa directly to London. Staff was friendly. The food was okay, and entertainment amenities could be better.

The flight was terrible based off the temperature in the plane and the air smelled so stale and gross. I have never wanted to hosed lore in my life after I got off. The food was disgusting and seemingly low quality. The staff was friendly. The bathrooms were so gross after a couple of hours. I will definitely never book with them again.

The crew was great. There was no entertainment and the internet wasn't working. We sat in the run way for a LONG time which is always so upsetting. The seats are very close together and the flights are completely full which makes for a tough flight. Flying is just an uncomfortable experience.

Very kind crew. Vegetarian food better than usual. Prompt take off. Entertainment worked well. Could always do with more room!

The dinner was bland and boring, but the economy seats were surprisingly comfortable. The flight was very packed.

Great crew and entertaining Captain. Seats were not what we had expected based on my booking but things worked out in the end. Of course, like all airlines these days not enough leg or elbow room.

The entertainment system was down; food by purchase only; several people did not receive their luggage. No one answers at the local office or online about the luggage.

This has been the worst experience I’ve ever had. Basically, I lost my round-trip tickets because one of my last names was missing, and you didn’t allow me to correct it. I had to purchase a full ticket again. Once I get home, I will start legal proceedings against you.

It’s ok just the boarding point is far too far

They are a sister company with Air Transat and the two companies do not work well together. If you have any issues the two companies will blame each other and you will miss your flights. The help line does not help

The website check in was poor. Baggage fees were in US dollars but registered in Canadian dollars. The site would not accept my credit card. Scanning the passport was the worst. Someone from United needs to try the process. I’m not a novice with tech and I have to say this was a bad experience. Everything else was great.

Prefer not to have an almost 3 hour delay with useless communication that wasn't accurate.

Boarding was smooth and efficient. The only food was some pretzels, but it was a short flight. Not much to order if you were hungry.

Crew were welcoming, accommodating and they worked hard to find places for all carry on.

Seats very comfortable; service efficient and pleasant; flight was on-time; boarding organized.

Starlink is great Crew was polite Business class didn’t get a welcome drink just water and snacks were ok

very average service no complimentary alcoholics drinks unlike other airlines such as Porter airlines No decent seats available during check-in time the day before

Hopped on time for the flight only to get deplaned and delayed another 2.5 hours.

Flight attendants had a little attitude. Food tastes no good.

Very poor. The flight was delayed from Toronto because some forget to do there job . I got to my connecting gate in San Francisco 10 minutes before the departure.but this didn’t let me board even though the flight was still there for an other 30 minutes. The the gentleman at the unite airline desk told me that they usually wait for passengers but air Canada called and told them not to we I been rerouted to Manila instead of Hong Kong . In San Francisco they mad me check in my carryon bag . I was told the it will directly go yo ho chi minn cuyt but I was told that by the Vietnams airline desk that’s not there I’m 10 hours behind my scheduled flight and looks like I I’m going without baggage. I don’t have a chance of catching ..

I think I'd sum up my experiences on this flight (Edinburgh to Toronto) by saying that Boeing 737s are simply too small for long-haul, transatlantic flights. The crew were excellent, the food was pretty good and the in-flight Wifi was a bonus. But 7+ hours on a narrow bodied aircraft with a single aisle and no in-built entertainment system, is a tough stretch - queues for the few toilets on board were lengthy at times; plus whilst the crew were doing food/drink service the aisle is blocked. It encourages you to stay in your seat the entire time (not great for those who need to get up and move around regularly) and the legroom is tight anyway. If this was priced as uber-budget, you could perhaps argue that you're getting what you paid for......but it wasn't and the price we paid was pretty standard for such trips (around £500 pp). I'd therefore urge caution and check the aircraft that is being used if booking with Westjet for flights to Canada from smaller regional airports on the Western edge of Europe. They do operate Boeing 787s from London and other major European centres - but it seems that if travelling from Scotland/Ireland the 737 is the aircraft of choice.......

Maybe glass of wine would be nice at no charge

The flight didn’t happen because they apparently lost my check in and wouldn’t let me board.

Access to movies was rather confusing. Apart from that, I have no complaints.

As someone who never flies WestJet unless there is no other viable option I have to give this crew credit where credit is due. Extremely well done everyone.

Flight left on time. The crew was very friendly. I had to buy a proper meal. Small cookie and a drink just doesn’t cut it for a 4.5 hours flight.

No dogs! Can we have no dogs in the cabin? Why was there a yappy little dog behind me? Lucky I had ear plugs. Sorry for others without

Arrival at Comox from, London,ON 6 hours later... No bueano

Flight delayed, missed my pick-up had to Uber, plus missed dinner and medication, so sad!

I booked through westjet. The first flight left late and cost us the connection to the second flight. The second flight after a 4 hour delay was again late because they were short an attendant. Then a door malfunctioned on the plane which led to yet another plane. So by the time we left Calgary we missed the BC ferry and had to pay a charge to get a later one. It ended up being a 24 hour day. That wrecked our first day and part of the second day in BC because we were so overtired.

My only issue was the cost of the flight. I paid close to $900, and I’ve never experienced that before. Plus I had to pay for wifi on the flight. Otherwise, everything else was fine.

Original flight was canceled by Air Canada and next day they re scheduled and paid by hotel and taxi cost, but it just so tired for waiting and I have some school exam that I couldn't prepare it at all.

Delayed as usual with Air Canada. Checked the status of the fly online it said took off when the plain was still at the gate.

Not great. Missed my connection flight, due to AC issue. We were sitting on the tarmac for 90 mins before taking off.

Flight was delayed and rescheduled 3 times before being cancelled. Flight was also delayed on our flight in at Moncton airport on August 10th. Never flying with PAL again.

Delayed on the way in 2 hours!!! And now on the way home delayed then cancelled!!!!!

Too many delays. Seats too small. A budget airline. Will never fly Air Canada again.

Horrible, we were on a little DeHaviland 400 that was really small and shaky. I am 5' 4" and I had to duck my head to get in it felt like an old war plane.

It might have been closer to being on time. Maybe next time I could fly from London to Toronto?

Air Canada canceled my flight last minute and I gave me next’s day night time my flight. No accommodations at all. I have a function on Xmas eve. So I had to took rental car last minute.i never ever book a ticket with Canadian airlines at all.

Everything you need to know for your flight to North America

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