Latest deals
Insights
When to book
FAQs
Price Alerts

Cheap flights from London Heathrow Airport to Saint John from C$ 807

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from London Heathrow Airport to Saint John departing on 20/5. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult

Save money when you book flights with momondo

Big names, great deals

Big names, great deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Early arrival? Instantly customize your results

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Find the cheapest flights from London Heathrow Airport to Saint John

Cheap round-trip flights

Enter your travel dates to find the best prices.
Air Canada Logo
6:00 a.m. - 11:52 p.m.
LHR
-
YSJ
21h 52m
2 stops
Air Canada Logo
12:50 p.m. - 8:35 a.m.
YSJ
-
LHR
39h 45m
2 stops
C$ 1,111Air Canada
Fri, 1 May - Fri, 8 May
Air Canada Logo
6:00 a.m. - 11:10 a.m.
LHR
-
YSJ
33h 10m
2 stops
Air Canada Logo
12:50 p.m. - 9:00 p.m.
YSJ
-
LHR
28h 10m
2 stops
C$ 1,136Air Canada
Wed, 22 Apr - Fri, 1 May
Air Canada Logo
12:40 p.m. - 11:47 a.m.
LHR
-
YSJ
27h 07m
2 stops
Air Canada Logo
4:30 p.m. - 6:30 a.m.
YSJ
-
LHR
10h 00m
1 stop
C$ 1,156Air Canada
Fri, 1 May - Fri, 8 May
Air Canada Logo
9:30 a.m. - 3:40 p.m.
LHR
-
YSJ
34h 10m
2 stops
Air Canada Logo
5:35 a.m. - 6:30 a.m.
YSJ
-
LHR
20h 55m
2 stops
C$ 1,185Air Canada
Thu, 30 Apr - Mon, 4 May
Air Canada Logo
12:40 p.m. - 3:40 p.m.
LHR
-
YSJ
31h 00m
2 stops
Air Canada Logo
5:35 a.m. - 6:30 a.m.
YSJ
-
LHR
20h 55m
2 stops
C$ 1,186Air Canada
Thu, 30 Apr - Mon, 4 May
Air Canada Logo
8:40 a.m. - 3:40 p.m.
LHR
-
YSJ
35h 00m
2 stops
Air Canada Logo
4:30 p.m. - 8:35 a.m.
YSJ
-
LHR
12h 05m
2 stops
C$ 1,188Air Canada
Wed, 20 May - Wed, 27 May
Air Canada Logo
2:05 p.m. - 3:40 p.m.
LHR
-
YSJ
29h 35m
1 stop
Air Canada Logo
5:35 a.m. - 6:30 a.m.
YSJ
-
LHR
20h 55m
2 stops
C$ 1,192Air Canada
Thu, 30 Apr - Mon, 4 May
Air Canada Logo
9:30 a.m. - 11:52 p.m.
LHR
-
YSJ
18h 22m
2 stops
Air Canada Logo
5:00 a.m. - 6:30 a.m.
YSJ
-
LHR
21h 30m
2 stops
C$ 1,203Air Canada
Sat, 2 May - Sat, 9 May
Air Canada Logo
9:30 a.m. - 3:40 p.m.
LHR
-
YSJ
10h 10m
1 stop
Air Canada Logo
4:30 p.m. - 10:00 a.m.
YSJ
-
LHR
13h 30m
1 stop
C$ 1,209Air Canada
Wed, 20 May - Wed, 27 May
Air Canada Logo
9:30 a.m. - 3:40 p.m.
LHR
-
YSJ
10h 10m
1 stop
Air Canada Logo
4:30 p.m. - 6:30 a.m.
YSJ
-
LHR
10h 00m
1 stop
C$ 1,210Air Canada
Fri, 1 May - Fri, 8 May

Air Canada flights from London Heathrow Airport to Saint John

Our best Air Canada deals on London Heathrow Airport to Saint John flight tickets
Air Canada
1 May
LHR6:00 a.m.London Heathrow
21h 52m
2 stops
YSJ11:52 p.m.Saint John
8 May
YSJ12:50 p.m.Saint John
39h 45m
2 stops
LHR8:35 a.m.London Heathrow
C$ 1,111
Air Canada
22 Apr
LHR6:00 a.m.London Heathrow
33h 10m
2 stops
YSJ11:10 a.m.Saint John
1 May
YSJ12:50 p.m.Saint John
28h 10m
2 stops
LHR9:00 p.m.London Heathrow
C$ 1,136
Air Canada
1 May
LHR12:40 p.m.London Heathrow
27h 07m
2 stops
YSJ11:47 a.m.Saint John
8 May
YSJ4:30 p.m.Saint John
10h 00m
1 stop
LHR6:30 a.m.London Heathrow
C$ 1,156

United Airlines flights from London Heathrow Airport to Saint John

Our best United Airlines deals on London Heathrow Airport to Saint John flight tickets
United Airlines
2 May
LHR4:40 p.m.London Heathrow
23h 17m
2 stops
YSJ11:57 a.m.Saint John
9 May
YSJ4:30 p.m.Saint John
15h 25m
2 stops
LHR11:55 a.m.London Heathrow
C$ 1,423
United Airlines
18 May
LHR11:05 a.m.London Heathrow
56h 35m
2 stops
YSJ3:40 p.m.Saint John
25 May
YSJ4:30 p.m.Saint John
34h 25m
2 stops
LHR6:55 a.m.London Heathrow
C$ 1,454

momondo Fare Finder

 
Customize your flight search to find flights from London Heathrow Airport to Saint John that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 96,600 searches. Data last updated 6 April 2026.
Use the filters below to find and compare flights from London Heathrow Airport to Saint John that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

LondonSaint John

LHR - YSJ

LHRYSJ

London Heathrow

Fri 1/5

6:00 a.m.-11:52 p.m.

2 stops21h 52m

Saint John

Fri 8/5

12:50 p.m.-8:35 a.m.

2 stops39h 45m

C$ 1,111

LondonSaint John

LHR - YSJ

LHRYSJ

London Heathrow

Wed 22/4

6:00 a.m.-11:10 a.m.

2 stops33h 10m

Saint John

Fri 1/5

12:50 p.m.-9:00 p.m.

2 stops28h 10m

C$ 1,136

LondonSaint John

LHR - YSJ

LHRYSJ

London Heathrow

Fri 1/5

12:40 p.m.-11:47 a.m.

2 stops27h 07m

Saint John

Fri 8/5

4:30 p.m.-6:30 a.m.

1 stop10h 00m

C$ 1,156

LondonSaint John

LHR - YSJ

LHRYSJ

London Heathrow

Thu 30/4

9:30 a.m.-3:40 p.m.

2 stops34h 10m

Saint John

Mon 4/5

5:35 a.m.-6:30 a.m.

2 stops20h 55m

C$ 1,185

LondonSaint John

LHR - YSJ

LHRYSJ

London Heathrow

Thu 30/4

12:40 p.m.-3:40 p.m.

2 stops31h 00m

Saint John

Mon 4/5

5:35 a.m.-6:30 a.m.

2 stops20h 55m

C$ 1,186

LondonSaint John

LHR - YSJ

LHRYSJ

London Heathrow

Wed 20/5

8:40 a.m.-3:40 p.m.

2 stops35h 00m

Saint John

Wed 27/5

4:30 p.m.-8:35 a.m.

2 stops12h 05m

C$ 1,188

LondonSaint John

LHR - YSJ

LHRYSJ

London Heathrow

Thu 30/4

2:05 p.m.-3:40 p.m.

1 stop29h 35m

Saint John

Mon 4/5

5:35 a.m.-6:30 a.m.

2 stops20h 55m

C$ 1,192

LondonSaint John

LHR - YSJ

LHRYSJ

London Heathrow

Sat 2/5

9:30 a.m.-11:52 p.m.

2 stops18h 22m

Saint John

Sat 9/5

5:00 a.m.-6:30 a.m.

2 stops21h 30m

C$ 1,203

LondonSaint John

LHR - YSJ

LHRYSJ

London Heathrow

Wed 20/5

9:30 a.m.-3:40 p.m.

1 stop10h 10m

Saint John

Wed 27/5

4:30 p.m.-10:00 a.m.

1 stop13h 30m

C$ 1,209
Quickest round-trip

LondonSaint John

LHR - YSJ

LHRYSJ

London Heathrow

Fri 1/5

9:30 a.m.-3:40 p.m.

1 stop10h 10m

Saint John

Fri 8/5

4:30 p.m.-6:30 a.m.

1 stop10h 00m

C$ 1,210

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 13 resultsSorted by cheapest first
1
2

See travel insights to Saint John from

How to get the cheapest flight ticket from London Heathrow Airport to Saint John

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the typical price of a round-trip flight between London Heathrow Airport and Saint John?

When to book flights from London Heathrow Airport to Saint John

Are you open to changing your travel dates? Check out the ideal times to fly from London Heathrow Airport to Saint John according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap London Heathrow Airport to Saint John (LHR to YSJ) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from London Heathrow Airport to Saint John

Fastest flight time

16h 47m

Direct flights

None
The fastest flight from London Heathrow Airport to Saint John takes 16h 47m
There are no direct flights from London Heathrow Airport to Saint John. There are no popular flight routes from London Heathrow Airport to Saint John.
Search flight deals

Frequently asked questions about flying from London Heathrow Airport to Saint John

  • How far is London Heathrow to Saint John by plane?

    London Heathrow and Saint John are 4726.9 km apart from one another. By plane, this route typically takes 16h 47m.

  • When did momondo last update prices for flights from London Heathrow Airport to Saint John Airport?

    Prices for flights from London Heathrow Airport to Saint John Airport were last updated today.

  • How old do you have to be to fly from London Heathrow Airport to Saint John Airport?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from London Heathrow Airport to Saint John Airport.

  • What documentation or ID do you need to fly to Saint John Airport?

    The necessary travel and health documents for your Saint John Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Travelling to a place near Saint John?

Book flights to Saint John if you plan to visit one of these locations
Sussex

Why use momondo?

Why should I use momondo to find a flight deal from London to Saint John?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from London to Saint John. momondo saves you time and could save you money on your trip.

Can I find flights from London to Saint John with flexible booking policies on momondo?

Yes. All flights to Saint John from London on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from London to Saint John?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from London to Saint John.

I’m not ready to book a flight from London to Saint John right now. Can momondo alert me if prices change?

Yes. momondo can track prices for London to Saint John flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

An easier way to manage your Saint John trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Wed 6/5
Wed 13/5
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Canada