YYT - LHR

C$ 507 Find Cheap Flights from St. John's to London Heathrow Airport

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from St. John's to Heathrow departing on 6/6. 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

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

 
These are the airlines KAYAK users have selected most often from within our search results in flight searches from St. John's to London, as well as popular online travel agencies
These are the airlines KAYAK users have selected most often from within our search results in flight searches from St. John's to London, as well as popular online travel agencies
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Cheap Flight Deals from St. John's to Heathrow (YYT-LHR)

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from St. John's to Heathrow 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.

Recent round-trip flight deals from St. John's to Heathrow

KAYAK's recommended round-trip deals from the most popular airlines that fly from St. John's to Heathrow.
Discover the best prices for you by selecting your travel dates on KAYAK.
Choose your dates
 Logo
12:30 a.m. - 12:30 p.m.YYT-LHR
8h 30m1 stop
 Logo
6:20 a.m. - 11:39 a.m.LHR-YYT
8h 49m1 stop
C$ 616
Find Deal
Wed, 9 Jul - Thu, 17 Jul
 Logo
12:30 a.m. - 1:25 p.m.YYT-LHR
9h 25m1 stop
 Logo
6:20 a.m. - 11:49 a.m.LHR-YYT
8h 59m1 stop
C$ 655
Find Deal
Mon, 2 Jun - Tue, 10 Jun
 Logo
12:30 a.m. - 1:55 p.m.YYT-LHR
9h 55m1 stop
 Logo
6:20 a.m. - 10:56 p.m.LHR-YYT
20h 06m2 stops
C$ 870
Find Deal
Wed, 27 Aug - Thu, 18 Sep
United Airlines Logo
2:00 p.m. - 8:40 p.m.YYT-LHR
27h 10m2 stops
United Airlines Logo
12:15 p.m. - 1:02 p.m.LHR-YYT
28h 17m2 stops
C$ 978United Airlines
Find Deal
Thu, 22 May - Thu, 29 May
United Airlines Logo
5:50 a.m. - 5:55 a.m.YYT-LHR
20h 35m2 stops
United Airlines Logo
11:05 a.m. - 12:34 a.m.LHR-YYT
16h 59m2 stops
C$ 979United Airlines
Find Deal
Fri, 26 Sep - Fri, 17 Oct
Air Canada Logo
2:00 p.m. - 10:00 a.m.YYT-LHR
16h 30m1 stop
Air Canada Logo
9:30 a.m. - 5:12 p.m.LHR-YYT
11h 12m1 stop
C$ 1,147Air Canada
Find Deal
Thu, 22 May - Thu, 29 May
Air Canada Logo
2:55 p.m. - 10:00 a.m.YYT-LHR
15h 35m2 stops
Air Canada Logo
9:30 a.m. - 5:12 p.m.LHR-YYT
11h 12m1 stop
C$ 1,149Air Canada
Find Deal
Thu, 22 May - Thu, 29 May
Lufthansa Logo
2:00 p.m. - 6:30 a.m.YYT-LHR
13h 00m1 stop
Lufthansa Logo
8:30 a.m. - 9:39 p.m.LHR-YYT
16h 39m1 stop
C$ 1,172Lufthansa
Find Deal
Wed, 21 May - Wed, 28 May
Lufthansa Logo
2:00 p.m. - 6:30 a.m.YYT-LHR
13h 00m1 stop
Lufthansa Logo
9:30 a.m. - 12:37 a.m.LHR-YYT
18h 37m1 stop
C$ 1,180Lufthansa
Find Deal
Sat, 17 May - Fri, 23 May
WestJet Logo
7:10 a.m. - 12:05 p.m.YYT-LHR
25h 25m1 stop
WestJet Logo
2:10 p.m. - 6:20 a.m.LHR-YYT
19h 40m1 stop
C$ 1,914WestJet
Find Deal
Thu, 11 Sep - Sun, 14 Sep

KAYAK's insights & trends for St. John's to Heathrow flights

Get data-powered insights and trends into flights from St. John's to Heathrow to help you find the cheapest flights, the best time to fly and much more.

What’s the cheapest day of the week to fly from St. John's to London Heathrow Airport?

The average price of all round-trip flights from St. John's to London Heathrow Airport clicked on KAYAK for each day over the last 12 months.
If your flying dates are flexible, you should consider flying to London Heathrow Airport on a Wednesday, as we generally find the cheapest rates on that day for this route. On the other hand, Thursday is the most expensive day to fly from St. John's to London Heathrow Airport. For your return ticket, we recommend flying on a Thursday and avoiding Sundays for the best deals.

What is the cheapest month to fly from St. John's to London Heathrow Airport?

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for round-trip flights from St. John's to London Heathrow Airport, 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 from St. John's to London Heathrow Airport is March, where tickets cost C$ 1,029 (return) on average. On the other hand, the most expensive months are December and August, where the average cost of round-trip tickets is C$ 1,418 and C$ 1,263 respectively.

How far in advance should I book a flight from St. John's to London Heathrow Airport?

To calculate weekly average prices, KAYAK takes all prices for each week before departure over the last year for round-trip flights from St. John's to London Heathrow Airport, removes the top 0.1% to account for outliers, and then takes the average of all the values for each week.
To get a below average price on the flight from St. John's to London Heathrow Airport, you should book around 4 weeks before departure. For the absolute cheapest price, our data suggests you should book 5 weeks before departure.

Good to know

Low season

October

High season

April

Cheapest flight

C$ 507
Best time to beat the crowds (5% less expensive on average)
Most popular time to fly and prices are also 5% lower on average.
Flight from St. John's to London Heathrow Airport

When to book flights from St. John's to Heathrow

Are your dates flexible? Find out the best times to travel from St. John's to Heathrow 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. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

FAQs for booking St. John's to London Heathrow Airport flights

  • What is the cheapest flight from St. John's to London Heathrow Airport?

    In the last 3 days, the lowest price for a flight from St. John's to London Heathrow Airport was C$ 366 for a one-way ticket and C$ 445 for a round-trip.

  • Which aircraft models fly most regularly from St. John's to London Heathrow Airport?

    We unfortunately don’t have that data for this specific route.

  • Which airline alliances offer flights from St. John's to London Heathrow Airport?

    Star Alliance, and SkyTeam are the airline alliances operating flights between St. John's and London Heathrow Airport, with Star Alliance being the most commonly used for this route.

  • Which is the best airline for flights from St. John's to London, WestJet or Air Canada?

    The two airlines most popular with KAYAK users for flights from St. John's to London are WestJet and Air Canada. With an average price for the route of C$ 807 and an overall rating of 7.2, WestJet is the most popular choice. Air Canada is also a great choice for the route, with an average price of C$ 1,115 and an overall rating of 7.0.

  • How does KAYAK find such low prices on flights from St. John's to London Heathrow Airport?

    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 St. John's to London Heathrow Airport.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from St. John's to London Heathrow Airport?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to London Heathrow Airport from St. John's 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 St. John's to London Heathrow Airport?

    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 Heathrow Airport with an airline and back to St. John's with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from St. John's to London Heathrow Airport?

    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 Heathrow Airport from St. John's up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

See more FAQs

Top airlines flying from St. John's to Heathrow

 
See real verified KAYAK customer reviews for airlines flying from St. John's to London. Airline scores are aggregated from all reviews left by passengers on KAYAK after flying with an airline. KAYAK doesn’t show reviews that are older than 5 years. Learn how KAYAK collects reviews.
Need help choosing which airline to fly with from St. John's to Heathrow? 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.
7.2
WestJetOverall score based on 2816 reviews
6.2Food
7.9Crew
7.4Boarding
6.1Entertainment
7.0Comfort
Airline reviews

My husband required a wheelchair to get to the airplane and the service he received was exemplary. Thank you.

8.0 ExcellentElaine, Apr 2025YVR - YLW
Read more WestJet reviews

My husband required a wheelchair to get to the airplane and the service he received was exemplary. Thank you.

Internet on both flights was sketchy. Thus in flight entertainment was non- existent on MN - Balrimote leg.

crew was great, wifi was very poor could not even load a youtube video

WestJet was able to re-book us to the next available flight at no charge when air traffic controller staffing shortage delayed our inbound flight

Our flight was delayed for almost 2 hours resulting in a rush to connect to our next flight

I am a tall woman and could not move my legs enough to reach down under the seat in front of me to retrieve anything I put down there. I sat in both aisle and window seats and felt extremely cramped. In the aisle seat, if the stewardess was heavy, it was impossible to pass, and she would knock my arm shoulder and thigh every time she went by. If I can avoid it, I will not be flying this airline again.

We never had an experience they canceled the flight and they did not offer us an alternative flight. I had to book one on my own expense. They offered us food voucher and we could not use them at the airport it kept saying not attached to an existing flight. The people at the counter were rude and cold and they did not care about our situation

It took 30 minutes to check in with the Westjet rep. They didn’t have enough seats and she needed to make a call… I am always “randomly” selected to be checked at security. Their “randomly “ selection system may need some updating. They treat people like criminals. It is not appropriate behavior.

Get our, as a group, skis on time to their destination. Have more attendants checking people in. There was only one. The line was a block long :( . Also flight change with 5-hour delay

Found the seats very crowded—too close together ! And waited a long time for our luggage All staff at both ends were excellent!!!

Lynda was rude and unhelpful. We asked for tea wiht a slice of lemon. She served us Coffee instead. When we spoke to her she made it seem as if we were lying. I asked if she would like to taste it and see - her reply was I don’t need to be rude. After this incident we were treated with subpar service for all beverages and food items after. We’re were purposely left out when they did garbage collection.

They lost my checked in luggage, why do I pay for my cargo not arriving at the same destination as me?

Overall good experience. The flight from Toronto to Denver does not have entertainment - movies to watch.

Not enough electronic outlets for charging in the Air Canada waiting to board area but the Most important thing….the plane was booked to only 40% capacity and my row of 2 other seats were empty. My row happened to be one of the few rows that did NOT have raising arm rests. The flight attendant made effort to seat me in a different row. I needed wheelchair assistance due to a cyst on my knee and struggled to move from seat to seat to get to the row. Those 2 empty seats tormented me the entire 15+ hour flight as I had to be upright the entire flight and was not able to elevate my knee. Lots of other passengers were laying down due to the arm rest being able to retract. It is a shame that he couldn’t be gracious and find a row that I could move to.

Crew was pleasant and efficient. The speaker system for instructions was hard to understand

From my experience, I see there is room for a greater mixture of cultures, for example, a mix of the nationality of cabin crews, food, music, food, etc.

on time quick service but food so so and seats very small. no leg room. I think passengers should not be bringing so large carry on suitcases and should have free check in. Then boarding and unloading would be faster

After nearly nine years without traveling, my son and I decided to take our first flight, and we chose Air Canada and I’m so glad we did! From start to finish, our experience was nothing short of amazing. The flight itself was smooth, comfortable, and truly enjoyable. The staff were warm, professional, and went above and beyond to make us feel at ease. But what really stood out for me was the luggage tracking feature. Knowing that my bag was scanned onto the same flight I was on gave me such peace of mind. It’s little details like this that make all the difference, especially after not traveling for so long. This trip was incredibly special for us, and Air Canada made it even more memorable. Thank you for such a fantastic experience I wouldn’t hesitate to fly with you again!

Was good all around. Crew, food, paid for extra legroom, as 10+ hour flight Like the 787 as I don't have any problem with my ears, due to the planes pressurization.

Crew were friendly and efficient. Love the hot towel service!

Everything you need to know for your flight from St. John's to Heathrow

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