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YSJ - LHR

Find cheap flights from Saint John to London Heathrow Airport from C$ 1,176

This is the cheapest round-trip flight price found by a KAYAK user in the last 72 hours by searching for a flight from Saint John to London departing on 3/9. 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 3/6
Mon 10/6

Search 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 Saint John 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 Saint John to London, as well as popular online travel agencies
In the last 7 days, travellers have searched 43,369,418 times on KAYAK, and here is why:

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Cheap flight deals from Saint John to London (YSJ-LHR)

Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Saint John 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.
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5:10 p.m. - 10:00 a.m.YSJ-LHR
12h 50m1 stop
9:30 a.m. - 4:26 p.m.LHR-YSJ
10h 56m1 stop
C$ 1,176Air Canada
Find Deal
Tue, 3 Sep - Sun, 15 Sep
5:10 p.m. - 6:30 a.m.YSJ-LHR
9h 20m1 stop
7:45 a.m. - 12:56 a.m.LHR-YSJ
45h 11m2 stops
C$ 1,178Air Canada
Find Deal
Tue, 3 Sep - Sun, 15 Sep
5:10 p.m. - 10:00 a.m.YSJ-LHR
12h 50m1 stop
7:45 a.m. - 12:56 a.m.LHR-YSJ
45h 11m2 stops
C$ 1,181Air Canada
Find Deal
Tue, 3 Sep - Sun, 15 Sep
11:40 a.m. - 10:00 a.m.YSJ-LHR
18h 20m2 stops
7:45 a.m. - 12:56 a.m.LHR-YSJ
45h 11m2 stops
C$ 1,187Air Canada
Find Deal
Tue, 3 Sep - Sun, 15 Sep
11:40 a.m. - 10:00 a.m.YSJ-LHR
18h 20m2 stops
11:05 a.m. - 12:56 a.m.LHR-YSJ
41h 51m2 stops
C$ 1,189Air Canada
Find Deal
Tue, 3 Sep - Sun, 15 Sep
5:10 p.m. - 9:00 p.m.YSJ-LHR
23h 50m2 stops
9:30 a.m. - 4:31 p.m.LHR-YSJ
11h 01m1 stop
C$ 1,341Air Canada
Find Deal
Sun, 18 Aug - Sat, 31 Aug
5:10 p.m. - 9:00 p.m.YSJ-LHR
23h 50m2 stops
9:30 a.m. - 4:31 p.m.LHR-YSJ
11h 01m1 stop
C$ 1,345Air Canada
Find Deal
Sun, 18 Aug - Sat, 31 Aug
5:10 p.m. - 10:00 a.m.YSJ-LHR
12h 50m1 stop
9:30 a.m. - 4:31 p.m.LHR-YSJ
11h 01m1 stop
C$ 1,351Air Canada
Find Deal
Sun, 18 Aug - Sat, 31 Aug
5:10 p.m. - 9:00 p.m.YSJ-LHR
23h 50m2 stops
9:30 a.m. - 10:46 a.m.LHR-YSJ
29h 16m2 stops
C$ 1,352Air Canada
Find Deal
Sun, 18 Aug - Sat, 31 Aug
5:10 p.m. - 10:00 a.m.YSJ-LHR
12h 50m1 stop
9:30 a.m. - 4:31 p.m.LHR-YSJ
11h 01m1 stop
C$ 1,353Air Canada
Find Deal
Sun, 18 Aug - Sat, 31 Aug

Flights from Saint John to London - Travel Insights & Trends

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

What is the cheapest month to fly from Saint John to London Heathrow Airport?

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for flights from Saint John 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 Saint John to London Heathrow Airport is February, where tickets cost C$ 977 on average. On the other hand, the most expensive months are July and June, where the average cost of tickets is C$ 1,491 and C$ 1,378 respectively.

Good to know

Low season

November

High season

June

Cheapest flight

C$ 1,176
Best time to beat the crowds (10% less expensive on average)
Most popular time to fly (14% more expensive on average)
Flight from Saint John to London Heathrow Airport

When to book flights from Saint John to London

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

FAQs for booking Saint John to London Heathrow Airport flights

  • What is the cheapest flight from Saint John to London Heathrow Airport?

    In the last 3 days, the lowest price for a flight from Saint John to London Heathrow Airport was C$ 860 for a round-trip ticket.

  • Which airports will I be using when flying from Saint John to London Heathrow Airport?

    When flying out of Saint John you will be using Saint John. You will be landing at London Heathrow Airport, also known as London Heathrow.

  • Which aircraft models fly most regularly from Saint John to London Heathrow Airport?

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

  • Which airline alliances offer flights from Saint John to London Heathrow Airport?

    Star Alliance is the only airline alliance operating flights between Saint John and London Heathrow Airport.

  • How does KAYAK find such low prices on flights from Saint John 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 Saint John to London Heathrow Airport.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Saint John 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 Saint John 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 Saint John 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 Saint John with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Saint John 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 Saint John up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

See more FAQs

Top airline flying from Saint John to London

 
See real verified KAYAK customer reviews for airlines flying from Saint John 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 Saint John 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.
7.0
Air CanadaOverall score based on 6904 reviews
7.8Crew
6.8Entertainment
7.0Comfort
6.2Food
7.2Boarding
Airline reviews

Limited snack options cause the snack vendor was on strike

10.0 ExcellentAnonymous, May 2024YYZ - FLL
Read more about Air Canada reviews

Limited snack options cause the snack vendor was on strike

Not full, so lots of room, which is really the only thing that can make flying economy more comfortable. Direct to Toronto is great! I didn't eat or use the entertainment.

The experience was generally above average. The only downside was the absence of WiFi during my flight from Vancouver to San Francisco.

It was overall above average experience. If there is only one thing i could complain about was the lack of wifi availability on my flight from Vancouver to San Francisco

on demand entertainment in seat back awesome Check in Kiosk too demanding with endless demand for more information information then says go to counter. Counter agent unfriendly. Do it yourself check in luggage procedure not intuitive, upset employees frustrated the whole procedure.

I think all and all they are doing a good job. Flight crew worked hard and very helpful,polite and attentive

Not much food available, not able to choose seats to be near each other, tv did not work

The 6 hour delay with minimal updates was not handled well. After many complaints from most of the un-boarded passengers, food vouchers were offered. The catering strike meant there was no food or snacks on the plane. Beverage service was heavily impacted, only water or juice was available. The staff at the gate was kind enough to inform that "if you want to eat on the plane, you will need to bring it on when boarding".

It was an excellent experience, traveling from Toronto to Denver with United.

Terrible experience! All flights delayed, staff had no idea of what they were doing, and at the end luggage lost for 2 days!

Saint John - London Heathrow Airport Flights

Departure:

Saint John (YSJ)Canada

Destination:

London Heathrow Airport (LHR)United Kingdom

Return flight deals:

London Heathrow Airport - Saint John

Cabin classes: