Which airports can I use when flying from Saint John to London Heathrow Airport?

Flights from Saint John to London Heathrow Airport usually depart from Saint John (YSJ) and arrive at London Heathrow (LHR).

Which cabin classes can I book on flights from Saint John to London Heathrow Airport?

Only Economy Class is available on flights from Saint John to London Heathrow Airport.

Which airports do connecting flights from Saint John to London Heathrow Airport pass through?

Connecting flights from Saint John to London Heathrow Airport most commonly pass through: • Montreal Pierre Elliott Trudeau Intl (YUL) – 50% of one-stop connections • Toronto Pearson Intl (YYZ) – 50% of one-stop connections Together, these airports account for 100% of one-stop bookings on this route.

Can I save money by using flexible dates for flights from Saint John to London Heathrow Airport?

On the Saint John to London Heathrow Airport route, being flexible with your departure day can save you up to 37%. Sunday is the cheapest day at C$ 954 round-trip on average, while Thursday is the most expensive at C$ 1,513 – a C$ 558 difference. Cheaper weekend fares like these are typical of routes dominated by weekday business travel.

Which popular places can I visit in London Heathrow Airport?

Some of the most popular sights in London Heathrow Airport are Paddington Station, Central London, and London Victoria Station. These are among the most viewed places in London Heathrow Airport on KAYAK.

How long does a flight from Saint John to London Heathrow Airport take?

There are currently no direct flights available from Saint John to London Heathrow Airport. Flights with 1 layover take between 14h 18m and 15h 10m in total, depending on the connection.

Do I need a passport to fly from Saint John to London Heathrow Airport?

Yes, a valid passport is required for this international route. Many destinations require at least six months of validity beyond your travel dates. Check your passport expiry well before booking.

Have flight prices from Saint John to London Heathrow Airport changed much recently?

Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about C$ 1,152 to C$ 3,790. That means the highest observed fare was about 3x higher than the lowest one.

How much time can I save by choosing a different layover airport when travelling from Saint John to London Heathrow Airport?

Flying via Toronto Pearson Intl (YYZ) gives the shortest average 1-stop total travel time at 14h 18m, compared with 15h 10m via Montreal Pierre Elliott Trudeau Intl (YUL).

What is the time difference between Saint John and London Heathrow Airport?

London Heathrow Airport is 4 hours ahead of Saint John (British Time vs Atlantic Time). Plan for the time shift when scheduling connections or first-day activities.

What car rental options are available at London Heathrow Airport (LHR)?

London Heathrow Airport (LHR) hosts 5 major car rental companies, with daily rates starting from around C$ 10 for economy cars. Top options include: • GREEN MOTION • DRIVALIA • Europcar • Alamo • Hertz

How much should I expect to pay for a Saint John to London Heathrow Airport flight?

Round-trip flights from Saint John to London Heathrow Airport range from C$ 1,229 to C$ 1,509, with an average of C$ 1,336 over the past 12 months. Anything below C$ 1,229 counts as a good deal.

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

United Airlines (C$ 1,152) and Air Canada (C$ 1,325) are the cheapest airlines to fly round-trip from Saint John to London Heathrow Airport according to KAYAK data over the last 5 days.

What is the most popular layover airport when flying from Saint John to London Heathrow Airport?

Montreal Pierre Elliott Trudeau Intl (YUL) and Toronto Pearson Intl (YYZ) are the most popular layovers for the Saint John to London Heathrow Airport route. 50% of KAYAK users who booked 1-stop round-trips over the past 3 months connected via YUL or YYZ.

What is the cheapest layover airport when flying from Saint John to London Heathrow Airport?

Flights via Toronto Pearson Intl (YYZ) offer the most affordable fares, with an average round-trip price of C$ 1,172. Based on KAYAK data over the past 3 months.

When flying from Saint John to London Heathrow Airport, which airport offers the shortest layover?

Toronto Pearson Intl (YYZ) had the shortest average connection time for Saint John to London Heathrow Airport layovers at 561 minutes over the past 3 months.

C$ 620 CHEAP FLIGHTS from Saint John to London (YSJ - LHR)

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Never overpay with our price tracking tools.

Filter searches by price, airline and more to find your best flights.

Cheapest round-trip

C$ 1,152

Typical prices: C$ 1,229-C$ 1,509

United Airlines

Tue 2/10Wed 10/10

YSJ - LHR • 2 stops

When to travel

January

Cheapest • 10% price drop

November

Most popular

Good to know

Top layover airports

Toronto Pearson Intl (YYZ)

Cheapest • Avg C$ 1,172 (round-trip)

Montreal Pierre Elliott Trudeau Intl (YUL)

Shortest trip • 15h 10m (one-way)

Insights

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We hope you enjoy your trip to London Heathrow Airport!

Flight Deals

Cheap Flights from Saint John to Heathrow (YSJ-LHR)

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 Saint John to Heathrow

Fri, 2 Oct - Sat, 10 Oct

4:40 p.m. - 5:55 a.m.YSJ Saint John-LHR London Heathrow

33h 15m2 stops Montreal Pierre Elliott Trudeau Intl Newark

12:00 p.m. - 3:59 p.m.LHR London Heathrow-YSJ Saint John

31h 59m2 stops Newark Montreal Pierre Elliott Trudeau Intl

C$ 1,152United Airlines

Fri, 2 Oct - Sat, 10 Oct

4:40 p.m. - 5:55 a.m.YSJ Saint John-LHR London Heathrow

33h 15m2 stops Montreal Pierre Elliott Trudeau Intl Newark

12:00 p.m. - 3:59 p.m.LHR London Heathrow-YSJ Saint John

31h 59m2 stops Newark Montreal Pierre Elliott Trudeau Intl

C$ 1,153United Airlines

Fri, 2 Oct - Sat, 10 Oct

4:40 p.m. - 6:55 a.m.YSJ Saint John-LHR London Heathrow

34h 15m2 stops Montreal Pierre Elliott Trudeau Intl Washington, D.C. Dulles Intl

12:00 p.m. - 3:59 p.m.LHR London Heathrow-YSJ Saint John

31h 59m2 stops Newark Montreal Pierre Elliott Trudeau Intl

C$ 1,157United Airlines

Mon, 1 Feb - Fri, 5 Feb

11:05 a.m. - 6:20 a.m.YSJ Saint John-LHR London Heathrow

15h 15m2 stops Montreal Pierre Elliott Trudeau Intl Newark

6:00 p.m. - 10:25 a.m.LHR London Heathrow-YSJ Saint John

44h 25m2 stops Newark Montreal Pierre Elliott Trudeau Intl

C$ 1,160United Airlines

Mon, 1 Feb - Fri, 5 Feb

11:05 a.m. - 6:40 a.m.YSJ Saint John-LHR London Heathrow

39h 35m2 stops Montreal Pierre Elliott Trudeau Intl Washington, D.C. Dulles Intl

12:00 p.m. - 10:25 a.m.LHR London Heathrow-YSJ Saint John

26h 25m2 stops Newark Montreal Pierre Elliott Trudeau Intl

C$ 1,161United Airlines

Fri, 2 Oct - Sat, 10 Oct

5:00 a.m. - 5:55 a.m.YSJ Saint John-LHR London Heathrow

20h 55m2 stops Toronto Pearson Intl Newark

6:00 p.m. - 3:59 p.m.LHR London Heathrow-YSJ Saint John

25h 59m2 stops Newark Montreal Pierre Elliott Trudeau Intl

C$ 1,163United Airlines

Sun, 25 Oct - Sun, 1 Nov

5:00 a.m. - 5:55 a.m.YSJ Saint John-LHR London Heathrow

21h 55m2 stops Toronto Pearson Intl Chicago O'Hare Intl

4:20 p.m. - 10:25 a.m.LHR London Heathrow-YSJ Saint John

46h 05m2 stops Washington, D.C. Dulles Intl Montreal Pierre Elliott Trudeau Intl

C$ 1,164United Airlines

Mon, 1 Feb - Fri, 5 Feb

11:05 a.m. - 6:20 a.m.YSJ Saint John-LHR London Heathrow

15h 15m2 stops Montreal Pierre Elliott Trudeau Intl Newark

6:00 p.m. - 10:25 a.m.LHR London Heathrow-YSJ Saint John

44h 25m2 stops Newark Montreal Pierre Elliott Trudeau Intl

C$ 1,164United Airlines

Sun, 25 Oct - Sun, 1 Nov

5:00 a.m. - 8:30 a.m.YSJ Saint John-LHR London Heathrow

24h 30m1 stop Toronto Pearson Intl

6:00 a.m. - 11:24 p.m.LHR London Heathrow-YSJ Saint John

21h 24m2 stops Zurich Toronto Pearson Intl

C$ 1,325Air Canada

Mon, 1 Feb - Fri, 5 Feb

11:05 a.m. - 7:10 a.m.YSJ Saint John-LHR London Heathrow

16h 05m1 stop Montreal Pierre Elliott Trudeau Intl

6:00 a.m. - 10:25 a.m.LHR London Heathrow-YSJ Saint John

32h 25m2 stops Vienna Intl Montreal Pierre Elliott Trudeau Intl

C$ 1,325Air Canada

Recent last minute flight deals from Saint John to Heathrow

Sat, 19 Sep - Sat, 26 Sep

4:40 p.m. - 11:55 a.m.YSJ Saint John-LHR London Heathrow

15h 15m2 stops Montreal Pierre Elliott Trudeau Intl Chicago O'Hare Intl

12:00 p.m. - 11:36 a.m.LHR London Heathrow-YSJ Saint John

27h 36m2 stops Newark Toronto Pearson Intl

C$ 1,166United Airlines

Sat, 19 Sep - Fri, 2 Oct

4:40 p.m. - 10:25 a.m.YSJ Saint John-LHR London Heathrow

13h 45m2 stops Montreal Pierre Elliott Trudeau Intl Newark

2:10 p.m. - 11:51 a.m.LHR London Heathrow-YSJ Saint John

25h 41m2 stops Chicago O'Hare Intl Toronto Pearson Intl

C$ 1,166United Airlines

Sat, 19 Sep - Tue, 29 Sep

4:40 p.m. - 10:25 a.m.YSJ Saint John-LHR London Heathrow

13h 45m2 stops Montreal Pierre Elliott Trudeau Intl Newark

4:40 p.m. - 11:56 a.m.LHR London Heathrow-YSJ Saint John

23h 16m2 stops Washington, D.C. Dulles Intl Toronto Pearson Intl

C$ 1,166United Airlines

Sat, 19 Sep - Sun, 27 Sep

4:40 p.m. - 10:25 a.m.YSJ Saint John-LHR London Heathrow

13h 45m2 stops Montreal Pierre Elliott Trudeau Intl Newark

8:00 a.m. - 11:51 p.m.LHR London Heathrow-YSJ Saint John

19h 51m2 stops Chicago O'Hare Intl Toronto Pearson Intl

C$ 1,166United Airlines

Sat, 19 Sep - Wed, 30 Sep

4:40 p.m. - 11:55 a.m.YSJ Saint John-LHR London Heathrow

15h 15m2 stops Montreal Pierre Elliott Trudeau Intl Chicago O'Hare Intl

3:20 p.m. - 11:51 a.m.LHR London Heathrow-YSJ Saint John

24h 31m2 stops Newark Toronto Pearson Intl

C$ 1,166United Airlines

Sat, 19 Sep - Thu, 1 Oct

4:40 p.m. - 10:25 a.m.YSJ Saint John-LHR London Heathrow

13h 45m2 stops Montreal Pierre Elliott Trudeau Intl Newark

7:45 a.m. - 11:51 a.m.LHR London Heathrow-YSJ Saint John

32h 06m2 stops Newark Toronto Pearson Intl

C$ 1,166United Airlines

Sat, 19 Sep - Mon, 28 Sep

4:40 p.m. - 11:55 a.m.YSJ Saint John-LHR London Heathrow

15h 15m2 stops Montreal Pierre Elliott Trudeau Intl Chicago O'Hare Intl

8:00 a.m. - 11:51 p.m.LHR London Heathrow-YSJ Saint John

19h 51m2 stops Chicago O'Hare Intl Toronto Pearson Intl

C$ 1,166United Airlines

Mon, 21 Sep - Fri, 2 Oct

5:00 a.m. - 7:15 a.m.YSJ Saint John-LHR London Heathrow

22h 15m2 stops Toronto Pearson Intl Newark

12:00 p.m. - 11:51 p.m.LHR London Heathrow-YSJ Saint John

15h 51m2 stops Newark Toronto Pearson Intl

C$ 1,172United Airlines

Sun, 20 Sep - Mon, 28 Sep

12:35 p.m. - 6:35 a.m.YSJ Saint John-LHR London Heathrow

14h 00m1 stop Toronto Pearson Intl

2:10 p.m. - 11:51 p.m.LHR London Heathrow-YSJ Saint John

13h 41m1 stop Toronto Pearson Intl

C$ 2,042Air Canada

Sun, 20 Sep - Wed, 30 Sep

12:35 p.m. - 6:35 a.m.YSJ Saint John-LHR London Heathrow

14h 00m1 stop Toronto Pearson Intl

8:30 a.m. - 11:51 p.m.LHR London Heathrow-YSJ Saint John

19h 21m1 stop Toronto Pearson Intl

C$ 2,042Air Canada

Booking Insights

Price, demand, and travel trends for Saint John to London Heathrow Airport flights

Use KAYAK data on prices, travel dates, airlines, and seasonal trends to compare options and book flights from Saint John to London Heathrow Airport with more confidence.

Prices

Airlines

Layovers

How much is a round-trip flight from Saint John to London Heathrow Airport?

Round-trip flights from Saint John to London Heathrow Airport start at C$ 1,152. Prices are below average for this route right now, with typical round-trip fares ranging from C$ 1,229 to C$ 1,509. The lowest price found in the past 5 days was C$ 1,152 on United Airlines.

Find deals

Low season	March
High season	November
Cheapest flight	C$ 620

Best time to beat the crowds but there is an average 15% increase in price.

Flights from Saint John to London Heathrow Airport

When to book flights from Saint John to Heathrow

Are your dates flexible? Find out the best times to travel from Saint John 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.

Which airports can I use when flying from Saint John to London Heathrow Airport?
Flights from Saint John to London Heathrow Airport usually depart from Saint John (YSJ) and arrive at London Heathrow (LHR).
Which cabin classes can I book on flights from Saint John to London Heathrow Airport?
Only Economy Class is available on flights from Saint John to London Heathrow Airport.
Which airports do connecting flights from Saint John to London Heathrow Airport pass through?
Connecting flights from Saint John to London Heathrow Airport most commonly pass through:

• Montreal Pierre Elliott Trudeau Intl (YUL) – 50% of one-stop connections
• Toronto Pearson Intl (YYZ) – 50% of one-stop connections
Together, these airports account for 100% of one-stop bookings on this route.
Can I save money by using flexible dates for flights from Saint John to London Heathrow Airport?
On the Saint John to London Heathrow Airport route, being flexible with your departure day can save you up to 37%. Sunday is the cheapest day at C$ 954 round-trip on average, while Thursday is the most expensive at C$ 1,513 – a C$ 558 difference. Cheaper weekend fares like these are typical of routes dominated by weekday business travel.
Which popular places can I visit in London Heathrow Airport?
Some of the most popular sights in London Heathrow Airport are Paddington Station, Central London, and London Victoria Station. These are among the most viewed places in London Heathrow Airport on KAYAK.
How long does a flight from Saint John to London Heathrow Airport take?
There are currently no direct flights available from Saint John to London Heathrow Airport. Flights with 1 layover take between 14h 18m and 15h 10m in total, depending on the connection.
Do I need a passport to fly from Saint John to London Heathrow Airport?
Yes, a valid passport is required for this international route. Many destinations require at least six months of validity beyond your travel dates. Check your passport expiry well before booking.
Have flight prices from Saint John to London Heathrow Airport changed much recently?
Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about C$ 1,152 to C$ 3,790. That means the highest observed fare was about 3x higher than the lowest one.
How much time can I save by choosing a different layover airport when travelling from Saint John to London Heathrow Airport?
Flying via Toronto Pearson Intl (YYZ) gives the shortest average 1-stop total travel time at 14h 18m, compared with 15h 10m via Montreal Pierre Elliott Trudeau Intl (YUL).
What is the time difference between Saint John and London Heathrow Airport?
London Heathrow Airport is 4 hours ahead of Saint John (British Time vs Atlantic Time). Plan for the time shift when scheduling connections or first-day activities.
What car rental options are available at London Heathrow Airport (LHR)?
London Heathrow Airport (LHR) hosts 5 major car rental companies, with daily rates starting from around C$ 10 for economy cars. Top options include:
• GREEN MOTION
• DRIVALIA
• Europcar
• Alamo
• Hertz
How much should I expect to pay for a Saint John to London Heathrow Airport flight?
Round-trip flights from Saint John to London Heathrow Airport range from C$ 1,229 to C$ 1,509, with an average of C$ 1,336 over the past 12 months. Anything below C$ 1,229 counts as a good deal.

If your dates are flexible, aim for a Sunday departure instead of Thursday. On this route, Sunday flights average C$ 954 – about C$ 558 less than Thursday (37% savings) based on the last 12 months.
If you can choose when to travel, plan your Saint John to London Heathrow Airport trip for January. Fares historically average C$ 1,196 round-trip in that month – typically C$ 357 less than the most expensive month, which is May (based on the last 12 months).
If you're arriving late at night and need somewhere to stay, check out these hotels close to London Heathrow Airport.
- Hilton London Heathrow Airport

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YSJ - LHR

C$ 620 Find Cheap Flights from Saint John to London – Compare and Save

Everything you should know

Cheap Flights from Saint John to Heathrow (YSJ-LHR)

Recent round-trip flight deals from Saint John to Heathrow

Recent one-way flight deals from Saint John to Heathrow

Recent last minute flight deals from Saint John to Heathrow

Price, demand, and travel trends for Saint John to London Heathrow Airport flights

How much is a round-trip flight from Saint John to London Heathrow Airport?

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

What is the most popular layover airport when flying from Saint John to London Heathrow Airport?

What is the cheapest layover airport when flying from Saint John to London Heathrow Airport?

When flying from Saint John to London Heathrow Airport, which airport offers the shortest layover?

Key details for Saint John to London Heathrow Airport flights

Low season

High season

Cheapest flight

When to book flights from Saint John to Heathrow

Your Saint John to London Heathrow Airport flight questions, answered

Your guide to booking Saint John to London Heathrow Airport flights

More options for your flight from Saint John to Heathrow

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

Information on your arrival and departure airports

Cabin class types available on flights to Heathrow

Find direct flights to and from Saint John and Heathrow

Flights from domestic origins to Heathrow

Flights to other popular destinations