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Cheap flights from London to Saint John from C$ 746

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 to Saint John departing on 1/7. 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
1 adult, Economy, 0 bags

Find the cheapest flights from London to Saint John

Cheap round-trip flights

Enter your travel dates to find the best prices.
Air Canada Logo
5:50 p.m. - 3:59 p.m.
LHR
-
YSJ
26h 09m
2 stops
Air Canada Logo
12:50 p.m. - 1:00 p.m.
YSJ
-
LHR
20h 10m
2 stops
C$ 984Air Canada
Wed, 23 Sep - Mon, 28 Sep
Air Canada Logo
5:50 p.m. - 3:59 p.m.
LHR
-
YSJ
26h 09m
2 stops
Air Canada Logo
4:40 p.m. - 10:00 a.m.
YSJ
-
LHR
13h 20m
1 stop
C$ 988Air Canada
Wed, 23 Sep - Mon, 28 Sep
Air Canada Logo
9:30 a.m. - 3:59 p.m.
LHR
-
YSJ
10h 29m
1 stop
Air Canada Logo
4:40 p.m. - 10:00 a.m.
YSJ
-
LHR
13h 20m
1 stop
C$ 1,007Air Canada
Wed, 23 Sep - Mon, 28 Sep
Air Canada Logo
2:05 p.m. - 3:59 p.m.
LHR
-
YSJ
29h 54m
1 stop
Air Canada Logo
12:50 p.m. - 8:35 a.m.
YSJ
-
LHR
15h 45m
1 stop
C$ 1,021Air Canada
Fri, 18 Sep - Mon, 21 Sep
Air Canada Logo
12:40 p.m. - 3:59 p.m.
LHR
-
YSJ
31h 19m
2 stops
Air Canada Logo
5:00 a.m. - 6:30 a.m.
YSJ
-
LHR
21h 30m
2 stops
C$ 1,022Air Canada
Fri, 18 Sep - Mon, 21 Sep
Multiple Airlines Logo
6:00 a.m. - 3:45 p.m.
LHR
-
YSJ
37h 45m
2 stops
Multiple Airlines Logo
4:40 p.m. - 12:50 p.m.
YSJ
-
LHR
16h 10m
2 stops
C$ 1,174Multiple Airlines
Mon, 6 Jul - Tue, 28 Jul
Multiple Airlines Logo
9:10 p.m. - 3:45 p.m.
LHR
-
YSJ
22h 35m
2 stops
Multiple Airlines Logo
4:40 p.m. - 6:30 a.m.
YSJ
-
LHR
9h 50m
1 stop
C$ 1,189Multiple Airlines
Mon, 6 Jul - Tue, 28 Jul
Air Canada Logo
5:40 p.m. - 1:25 a.m.
LHR
-
YSJ
11h 45m
1 stop
Air Canada Logo
4:40 p.m. - 10:00 a.m.
YSJ
-
LHR
13h 20m
1 stop
C$ 1,194Air Canada
Sat, 15 Aug - Fri, 28 Aug
Air Canada Logo
8:30 a.m. - 11:50 p.m.
LHR
-
YSJ
19h 20m
1 stop
Air Canada Logo
4:40 p.m. - 10:00 a.m.
YSJ
-
LHR
13h 20m
1 stop
C$ 1,241Air Canada
Mon, 6 Jul - Tue, 28 Jul
Air Canada Logo
5:40 p.m. - 4:00 p.m.
LHR
-
YSJ
26h 20m
2 stops
Air Canada Logo
4:40 p.m. - 10:00 a.m.
YSJ
-
LHR
13h 20m
1 stop
C$ 1,250Air Canada
Sat, 15 Aug - Fri, 28 Aug

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Air Canada flights from London to Saint John

Our best Air Canada deals on London to Saint John flight tickets
Air Canada
2 Jul
LHR8:30 a.m.London Heathrow
19h 20m
1 stop
YSJ11:50 p.m.Saint John
21 Jul
YSJ4:40 p.m.Saint John
9h 50m
1 stop
LHR6:30 a.m.London Heathrow
C$ 978
Air Canada
2 Jul
LHR2:05 p.m.London Heathrow
13h 45m
2 stops
YSJ11:50 p.m.Saint John
21 Jul
YSJ4:40 p.m.Saint John
9h 50m
1 stop
LHR6:30 a.m.London Heathrow
C$ 982
Air Canada
23 Sep
LHR5:50 p.m.London Heathrow
26h 09m
2 stops
YSJ3:59 p.m.Saint John
28 Sep
YSJ12:50 p.m.Saint John
20h 10m
2 stops
LHR1:00 p.m.London Heathrow
C$ 984

momondo Fare Finder

 
Customize your flight search to find flights from London 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 26 June 2026.
Use the filters below to find and compare flights from London 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

Wed 23/9

5:50 p.m.-3:59 p.m.

2 stops26h 09m

Saint John

Mon 28/9

12:50 p.m.-1:00 p.m.

2 stops20h 10m

C$ 984

LondonSaint John

LHR - YSJ

LHRYSJ

London Heathrow

Wed 23/9

5:50 p.m.-3:59 p.m.

2 stops26h 09m

Saint John

Mon 28/9

4:40 p.m.-10:00 a.m.

1 stop13h 20m

C$ 988
Quickest round-trip

LondonSaint John

LHR - YSJ

LHRYSJ

London Heathrow

Wed 23/9

9:30 a.m.-3:59 p.m.

1 stop10h 29m

Saint John

Mon 28/9

4:40 p.m.-10:00 a.m.

1 stop13h 20m

C$ 1,007

LondonSaint John

LHR - YSJ

LHRYSJ

London Heathrow

Fri 18/9

2:05 p.m.-3:59 p.m.

1 stop29h 54m

Saint John

Mon 21/9

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

1 stop15h 45m

C$ 1,021

LondonSaint John

LHR - YSJ

LHRYSJ

London Heathrow

Fri 18/9

12:40 p.m.-3:59 p.m.

2 stops31h 19m

Saint John

Mon 21/9

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

2 stops21h 30m

C$ 1,022

LondonSaint John

LHR - YSJ

LHRYSJ

London Heathrow

Mon 6/7

6:00 a.m.-3:45 p.m.

2 stops37h 45m

Saint John

Tue 28/7

4:40 p.m.-12:50 p.m.

2 stops16h 10m

C$ 1,174

LondonSaint John

LHR - YSJ

LHRYSJ

London Heathrow

Mon 6/7

9:10 p.m.-3:45 p.m.

2 stops22h 35m

Saint John

Tue 28/7

4:40 p.m.-6:30 a.m.

1 stop9h 50m

C$ 1,189

LondonSaint John

LHR - YSJ

LHRYSJ

London Heathrow

Sat 15/8

5:40 p.m.-1:25 a.m.

1 stop11h 45m

Saint John

Fri 28/8

4:40 p.m.-10:00 a.m.

1 stop13h 20m

C$ 1,194

LondonSaint John

LHR - YSJ

LHRYSJ

London Heathrow

Mon 6/7

8:30 a.m.-11:50 p.m.

1 stop19h 20m

Saint John

Tue 28/7

4:40 p.m.-10:00 a.m.

1 stop13h 20m

C$ 1,241

LondonSaint John

LHR - YSJ

LHRYSJ

London Heathrow

Sat 15/8

5:40 p.m.-4:00 p.m.

2 stops26h 20m

Saint John

Fri 28/8

4:40 p.m.-10:00 a.m.

1 stop13h 20m

C$ 1,250

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Saint John from

How to get the cheapest flight ticket from London 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 cheapest month to fly to Saint John?

If you don’t want to visit Saint John in October, then you should wait until November to fly from London, when ticket prices are also cheap, with an average price of C$ 884.

When to book flights from London to Saint John

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

Cheap London to Saint John (LON to YSJ) flight deals and tips

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

Fastest flight time

37h 45m

Direct flights

None
The fastest flight from London to Saint John takes 37h 45m
There are no direct flights from London to Saint John. There are no popular flight routes from London to Saint John.
Search flight deals

Frequently asked questions about flying from London to Saint John

  • How far is London to Saint John by plane?

    Saint John is 4747.7 km away from London. By plane, this route typically takes 37h 45m.

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

    Prices for flights from London to Saint John Airport refresh daily.

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

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from London to Saint John Airport.

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

    The travel and health documents required for your trip to Saint John Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Saint John Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Travelling to a place near Saint John?

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

Why use momondo?

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

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from London to Saint John for you.

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 provides multiple filters to help you find the best flight to Saint John from London. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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.

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