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Cheap flights from London to Saint John from C$ 946

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from London to Saint John departing on 17/3. 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

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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
1:45 p.m. - 3:35 p.m.
LHR
-
YSJ
52h 50m
2 stops
Air Canada Logo
5:35 a.m. - 8:35 a.m.
YSJ
-
LHR
47h 00m
2 stops
C$ 946Air Canada
Tue, 17 Mar - Tue, 28 Apr
Air Canada Logo
1:25 p.m. - 10:49 a.m.
LHR
-
YSJ
24h 24m
2 stops
Air Canada Logo
11:55 a.m. - 6:30 a.m.
YSJ
-
LHR
14h 35m
1 stop
C$ 965Air Canada
Tue, 17 Mar - Tue, 28 Apr
Air Canada Logo
1:25 p.m. - 10:49 a.m.
LHR
-
YSJ
24h 24m
2 stops
Air Canada Logo
11:45 a.m. - 10:00 a.m.
YSJ
-
LHR
18h 15m
1 stop
C$ 1,013Air Canada
Tue, 24 Mar - Tue, 31 Mar
Air Canada Logo
6:00 p.m. - 3:40 p.m.
LHR
-
YSJ
24h 40m
2 stops
Air Canada Logo
11:25 a.m. - 7:10 a.m.
YSJ
-
LHR
16h 45m
2 stops
C$ 1,017Air Canada
Sat, 14 Mar - Sun, 22 Mar
Air Canada Logo
1:25 p.m. - 10:49 a.m.
LHR
-
YSJ
24h 24m
2 stops
Air Canada Logo
11:45 a.m. - 6:35 a.m.
YSJ
-
LHR
14h 50m
2 stops
C$ 1,024Air Canada
Tue, 24 Mar - Tue, 31 Mar
Air Canada Logo
6:00 p.m. - 10:49 a.m.
LHR
-
YSJ
19h 49m
1 stop
Air Canada Logo
11:55 a.m. - 10:00 a.m.
YSJ
-
LHR
18h 05m
1 stop
C$ 1,054Air Canada
Tue, 17 Mar - Tue, 28 Apr
Air Canada Logo
1:25 p.m. - 3:35 p.m.
LHR
-
YSJ
29h 10m
1 stop
Air Canada Logo
11:55 a.m. - 10:00 a.m.
YSJ
-
LHR
18h 05m
1 stop
C$ 1,061Air Canada
Wed, 25 Mar - Wed, 1 Apr
Air Canada Logo
1:25 p.m. - 10:49 a.m.
LHR
-
YSJ
24h 24m
2 stops
Air Canada Logo
11:55 a.m. - 10:00 a.m.
YSJ
-
LHR
18h 05m
1 stop
C$ 1,062Air Canada
Wed, 25 Mar - Wed, 1 Apr
Air Canada Logo
1:25 p.m. - 10:49 a.m.
LHR
-
YSJ
24h 24m
2 stops
Air Canada Logo
11:55 a.m. - 9:35 a.m.
YSJ
-
LHR
17h 40m
2 stops
C$ 1,073Air Canada
Wed, 25 Mar - Wed, 1 Apr
Air Canada Logo
1:25 p.m. - 3:35 p.m.
LHR
-
YSJ
29h 10m
1 stop
Air Canada Logo
11:45 a.m. - 10:00 a.m.
YSJ
-
LHR
18h 15m
1 stop
C$ 1,084Air Canada
Tue, 24 Mar - Tue, 31 Mar

Air Canada flights from London to Saint John

Our best Air Canada deals on London to Saint John flight tickets
Air Canada
17 Mar
LHR1:45 p.m.London Heathrow
52h 50m
2 stops
YSJ3:35 p.m.Saint John
28 Apr
YSJ5:35 a.m.Saint John
47h 00m
2 stops
LHR8:35 a.m.London Heathrow
C$ 946
Air Canada
17 Mar
LHR1:25 p.m.London Heathrow
24h 24m
2 stops
YSJ10:49 a.m.Saint John
28 Apr
YSJ11:55 a.m.Saint John
14h 35m
1 stop
LHR6:30 a.m.London Heathrow
C$ 965
Air Canada
24 Mar
LHR1:25 p.m.London Heathrow
24h 24m
2 stops
YSJ10:49 a.m.Saint John
31 Mar
YSJ11:45 a.m.Saint John
18h 15m
1 stop
LHR10:00 a.m.London Heathrow
C$ 1,013

United Airlines flights from London to Saint John

Our best United Airlines deals on London to Saint John flight tickets
United Airlines
25 Mar
LHR12:00 p.m.London Heathrow
25h 49m
2 stops
YSJ10:49 a.m.Saint John
1 Apr
YSJ11:55 a.m.Saint John
14h 50m
2 stops
LHR6:45 a.m.London Heathrow
C$ 1,346
United Airlines
25 Mar
LHR8:00 a.m.London Heathrow
18h 34m
3 stops
YSJ11:34 p.m.Saint John
1 Apr
YSJ11:55 a.m.Saint John
14h 50m
2 stops
LHR6:45 a.m.London Heathrow
C$ 1,592
United Airlines
14 Mar
LHR6:50 a.m.London Heathrow
19h 44m
3 stops
YSJ11:34 p.m.Saint John
22 Mar
YSJ4:15 p.m.Saint John
15h 35m
2 stops
LHR10:50 a.m.London Heathrow
C$ 2,075

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 9 February 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

LondonSaint John

LHR - YSJ

LHRYSJ

London Heathrow

Tue 17/3

1:45 p.m.-3:35 p.m.

2 stops52h 50m

Saint John

Tue 28/4

5:35 a.m.-8:35 a.m.

2 stops47h 00m

C$ 946

LondonSaint John

LHR - YSJ

LHRYSJ

London Heathrow

Tue 17/3

1:25 p.m.-10:49 a.m.

2 stops24h 24m

Saint John

Tue 28/4

11:55 a.m.-6:30 a.m.

1 stop14h 35m

C$ 965

LondonSaint John

LHR - YSJ

LHRYSJ

London Heathrow

Tue 24/3

1:25 p.m.-10:49 a.m.

2 stops24h 24m

Saint John

Tue 31/3

11:45 a.m.-10:00 a.m.

1 stop18h 15m

C$ 1,013

LondonSaint John

LHR - YSJ

LHRYSJ

London Heathrow

Sat 14/3

6:00 p.m.-3:40 p.m.

2 stops24h 40m

Saint John

Sun 22/3

11:25 a.m.-7:10 a.m.

2 stops16h 45m

C$ 1,017

LondonSaint John

LHR - YSJ

LHRYSJ

London Heathrow

Tue 24/3

1:25 p.m.-10:49 a.m.

2 stops24h 24m

Saint John

Tue 31/3

11:45 a.m.-6:35 a.m.

2 stops14h 50m

C$ 1,024

LondonSaint John

LHR - YSJ

LHRYSJ

London Heathrow

Tue 17/3

6:00 p.m.-10:49 a.m.

1 stop19h 49m

Saint John

Tue 28/4

11:55 a.m.-10:00 a.m.

1 stop18h 05m

C$ 1,054

LondonSaint John

LHR - YSJ

LHRYSJ

London Heathrow

Wed 25/3

1:25 p.m.-3:35 p.m.

1 stop29h 10m

Saint John

Wed 1/4

11:55 a.m.-10:00 a.m.

1 stop18h 05m

C$ 1,061

LondonSaint John

LHR - YSJ

LHRYSJ

London Heathrow

Wed 25/3

1:25 p.m.-10:49 a.m.

2 stops24h 24m

Saint John

Wed 1/4

11:55 a.m.-10:00 a.m.

1 stop18h 05m

C$ 1,062

LondonSaint John

LHR - YSJ

LHRYSJ

London Heathrow

Wed 25/3

1:25 p.m.-10:49 a.m.

2 stops24h 24m

Saint John

Wed 1/4

11:55 a.m.-9:35 a.m.

2 stops17h 40m

C$ 1,073

LondonSaint John

LHR - YSJ

LHRYSJ

London Heathrow

Tue 24/3

1:25 p.m.-3:35 p.m.

1 stop29h 10m

Saint John

Tue 31/3

11:45 a.m.-10:00 a.m.

1 stop18h 15m

C$ 1,084

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 February, then you should wait until June to fly from London, when ticket prices are also cheap, with an average price of C$ 919.

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

24h 40m

Direct flights

None
The fastest flight from London to Saint John takes 24h 40m
There are no direct flights from London to Saint John. There are no popular flight routes from London to Saint John.
Search flight deals

  • How far is London to Saint John by plane?

    Saint John is 4747.7 km away from London. By plane, this route typically takes 24h 40m.

  • 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

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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