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Cheap flights from London to Saint John from C$ 1,063

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 8/6. 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
6:00 a.m. - 11:52 p.m.
LHR
-
YSJ
21h 52m
2 stops
Air Canada Logo
12:50 p.m. - 6:35 a.m.
YSJ
-
LHR
13h 45m
1 stop
C$ 1,063Air Canada
Mon, 8 Jun - Sun, 21 Jun
Air Canada Logo
6:00 a.m. - 11:50 p.m.
LHR
-
YSJ
21h 50m
2 stops
Air Canada Logo
5:40 a.m. - 8:35 a.m.
YSJ
-
LHR
22h 55m
1 stop
C$ 1,069Air Canada
Wed, 24 Jun - Sun, 28 Jun
Air Canada Logo
6:00 a.m. - 11:52 p.m.
LHR
-
YSJ
21h 52m
2 stops
Air Canada Logo
12:50 p.m. - 6:35 a.m.
YSJ
-
LHR
13h 45m
1 stop
C$ 1,070Air Canada
Mon, 8 Jun - Sat, 20 Jun
Air Canada Logo
6:50 a.m. - 11:27 a.m.
LHR
-
YSJ
32h 37m
2 stops
Air Canada Logo
4:30 p.m. - 8:35 a.m.
YSJ
-
LHR
12h 05m
2 stops
C$ 1,073Air Canada
Sat, 6 Jun - Sat, 13 Jun
Air Canada Logo
6:50 a.m. - 11:27 a.m.
LHR
-
YSJ
32h 37m
2 stops
Air Canada Logo
12:20 p.m. - 9:35 a.m.
YSJ
-
LHR
17h 15m
1 stop
C$ 1,080Air Canada
Sat, 6 Jun - Sat, 13 Jun
Air Canada Logo
8:30 a.m. - 11:52 p.m.
LHR
-
YSJ
19h 22m
1 stop
Air Canada Logo
5:40 a.m. - 6:35 a.m.
YSJ
-
LHR
20h 55m
1 stop
C$ 1,081Air Canada
Mon, 8 Jun - Sun, 21 Jun
Air Canada Logo
9:30 a.m. - 3:45 p.m.
LHR
-
YSJ
10h 15m
1 stop
Air Canada Logo
12:20 p.m. - 9:35 a.m.
YSJ
-
LHR
17h 15m
1 stop
C$ 1,082Air Canada
Sat, 6 Jun - Sat, 13 Jun
Air Canada Logo
8:30 a.m. - 11:52 p.m.
LHR
-
YSJ
19h 22m
1 stop
Air Canada Logo
4:35 p.m. - 9:35 a.m.
YSJ
-
LHR
13h 00m
2 stops
C$ 1,085Air Canada
Mon, 8 Jun - Sat, 20 Jun
Air Canada Logo
8:30 a.m. - 11:52 p.m.
LHR
-
YSJ
19h 22m
1 stop
Air Canada Logo
5:40 a.m. - 6:35 a.m.
YSJ
-
LHR
20h 55m
1 stop
C$ 1,088Air Canada
Mon, 8 Jun - Sat, 20 Jun
Air Canada Logo
5:40 p.m. - 3:50 p.m.
LHR
-
YSJ
26h 10m
2 stops
Air Canada Logo
4:35 p.m. - 9:35 a.m.
YSJ
-
LHR
13h 00m
2 stops
C$ 1,089Air Canada
Mon, 8 Jun - Sun, 21 Jun

Air Canada flights from London to Saint John

Our best Air Canada deals on London to Saint John flight tickets
Air Canada
8 Jun
LHR6:00 a.m.London Heathrow
21h 52m
2 stops
YSJ11:52 p.m.Saint John
21 Jun
YSJ12:50 p.m.Saint John
13h 45m
1 stop
LHR6:35 a.m.London Heathrow
C$ 1,063
Air Canada
24 Jun
LHR6:00 a.m.London Heathrow
21h 50m
2 stops
YSJ11:50 p.m.Saint John
28 Jun
YSJ5:40 a.m.Saint John
22h 55m
1 stop
LHR8:35 a.m.London Heathrow
C$ 1,069
Air Canada
8 Jun
LHR6:00 a.m.London Heathrow
21h 52m
2 stops
YSJ11:52 p.m.Saint John
20 Jun
YSJ12:50 p.m.Saint John
13h 45m
1 stop
LHR6:35 a.m.London Heathrow
C$ 1,070

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 13 May 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

Mon 8/6

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

2 stops21h 52m

Saint John

Sun 21/6

12:50 p.m.-6:35 a.m.

1 stop13h 45m

C$ 1,063

LondonSaint John

LHR - YSJ

LHRYSJ

London Heathrow

Wed 24/6

6:00 a.m.-11:50 p.m.

2 stops21h 50m

Saint John

Sun 28/6

5:40 a.m.-8:35 a.m.

1 stop22h 55m

C$ 1,069

LondonSaint John

LHR - YSJ

LHRYSJ

London Heathrow

Mon 8/6

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

2 stops21h 52m

Saint John

Sat 20/6

12:50 p.m.-6:35 a.m.

1 stop13h 45m

C$ 1,070

LondonSaint John

LHR - YSJ

LHRYSJ

London Heathrow

Sat 6/6

6:50 a.m.-11:27 a.m.

2 stops32h 37m

Saint John

Sat 13/6

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

2 stops12h 05m

C$ 1,073

LondonSaint John

LHR - YSJ

LHRYSJ

London Heathrow

Sat 6/6

6:50 a.m.-11:27 a.m.

2 stops32h 37m

Saint John

Sat 13/6

12:20 p.m.-9:35 a.m.

1 stop17h 15m

C$ 1,080

LondonSaint John

LHR - YSJ

LHRYSJ

London Heathrow

Mon 8/6

8:30 a.m.-11:52 p.m.

1 stop19h 22m

Saint John

Sun 21/6

5:40 a.m.-6:35 a.m.

1 stop20h 55m

C$ 1,081
Quickest round-trip

LondonSaint John

LHR - YSJ

LHRYSJ

London Heathrow

Sat 6/6

9:30 a.m.-3:45 p.m.

1 stop10h 15m

Saint John

Sat 13/6

12:20 p.m.-9:35 a.m.

1 stop17h 15m

C$ 1,082

LondonSaint John

LHR - YSJ

LHRYSJ

London Heathrow

Mon 8/6

8:30 a.m.-11:52 p.m.

1 stop19h 22m

Saint John

Sat 20/6

4:35 p.m.-9:35 a.m.

2 stops13h 00m

C$ 1,085

LondonSaint John

LHR - YSJ

LHRYSJ

London Heathrow

Mon 8/6

8:30 a.m.-11:52 p.m.

1 stop19h 22m

Saint John

Sat 20/6

5:40 a.m.-6:35 a.m.

1 stop20h 55m

C$ 1,088

LondonSaint John

LHR - YSJ

LHRYSJ

London Heathrow

Mon 8/6

5:40 p.m.-3:50 p.m.

2 stops26h 10m

Saint John

Sun 21/6

4:35 p.m.-9:35 a.m.

2 stops13h 00m

C$ 1,089

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

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 June to fly from London, when ticket prices are also cheap, with an average price of C$ 719.

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

17h 27m

Direct flights

None
The fastest flight from London to Saint John takes 17h 27m
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 17h 27m.

  • 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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