Cheap flights from Saint John to London from C$ 696

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Saint John to London departing on 30/10. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Cheap round-trip flights

Air Canada Logo
11:55 a.m. - 8:30 a.m.YSJ-LHR
16h 35m2 stops
Air Canada Logo
9:00 a.m. - 11:29 p.m.LHR-YSJ
18h 29m2 stops
C$ 1,024Air Canada
Find Deal
Fri, 20 Feb - Tue, 24 Feb
Air Canada Logo
11:35 a.m. - 6:30 a.m.YSJ-LHR
14h 55m1 stop
Air Canada Logo
1:25 p.m. - 11:15 a.m.LHR-YSJ
24h 50m1 stop
C$ 1,028Air Canada
Find Deal
Fri, 24 Oct - Wed, 29 Oct
Air Canada Logo
5:55 a.m. - 6:30 a.m.YSJ-LHR
20h 35m2 stops
Air Canada Logo
1:25 p.m. - 11:15 a.m.LHR-YSJ
24h 50m1 stop
C$ 1,037Air Canada
Find Deal
Fri, 24 Oct - Wed, 29 Oct
Air Canada Logo
6:15 p.m. - 11:50 a.m.YSJ-LHR
13h 35m1 stop
Air Canada Logo
1:25 p.m. - 11:15 a.m.LHR-YSJ
25h 50m1 stop
C$ 1,040Air Canada
Find Deal
Fri, 20 Feb - Tue, 24 Feb
United Airlines Logo
11:35 a.m. - 10:40 a.m.YSJ-LHR
19h 05m2 stops
United Airlines Logo
4:20 p.m. - 11:15 a.m.LHR-YSJ
21h 55m2 stops
C$ 1,050United Airlines
Find Deal
Wed, 22 Oct - Wed, 29 Oct
Multiple Airlines Logo
10:45 a.m. - 10:45 a.m.YSJ-LGW
20h 00m1 stop
Multiple Airlines Logo
11:40 a.m. - 3:45 p.m.LGW-YSJ
31h 05m2 stops
C$ 1,094Multiple Airlines
Find Deal
Fri, 24 Oct - Wed, 29 Oct
United Airlines Logo
5:55 a.m. - 6:20 a.m.YSJ-LHR
20h 25m2 stops
United Airlines Logo
7:40 a.m. - 11:29 p.m.LHR-YSJ
18h 49m2 stops
C$ 1,118United Airlines
Find Deal
Thu, 23 Oct - Tue, 28 Oct
Multiple Airlines Logo
12:00 p.m. - 9:25 a.m.YSJ-LGW
17h 25m1 stop
Multiple Airlines Logo
11:40 a.m. - 3:45 p.m.LGW-YSJ
31h 05m2 stops
C$ 1,841Multiple Airlines
Find Deal
Wed, 22 Oct - Wed, 29 Oct
Turkish Airlines Logo
11:55 a.m. - 9:10 a.m.YSJ-LGW
41h 15m2 stops
Turkish Airlines Logo
10:05 a.m. - 11:15 a.m.LGW-YSJ
53h 10m2 stops
C$ 2,741Turkish Airlines
Find Deal
Fri, 20 Feb - Tue, 24 Feb
Turkish Airlines Logo
11:35 a.m. - 10:10 a.m.YSJ-LGW
42h 35m2 stops
Turkish Airlines Logo
6:25 a.m. - 11:15 a.m.LGW-YSJ
31h 50m2 stops
C$ 2,796Turkish Airlines
Find Deal
Fri, 24 Oct - Wed, 29 Oct

Air Canada flights from Saint John to London

Our best Air Canada deals on Saint John to London flight tickets
Air Canada
20 Feb
YSJ11:55 a.m.Saint John
16h 35m
2 stops
LHR8:30 a.m.London Heathrow
24 Feb
LHR9:00 a.m.London Heathrow
18h 29m
2 stops
YSJ11:29 p.m.Saint John
C$ 1,024
Find similar
Air Canada
24 Oct
YSJ11:35 a.m.Saint John
14h 55m
1 stop
LHR6:30 a.m.London Heathrow
29 Oct
LHR1:25 p.m.London Heathrow
24h 50m
1 stop
YSJ11:15 a.m.Saint John
C$ 1,028
Find similar
Air Canada
24 Oct
YSJ5:55 a.m.Saint John
20h 35m
2 stops
LHR6:30 a.m.London Heathrow
29 Oct
LHR1:25 p.m.London Heathrow
24h 50m
1 stop
YSJ11:15 a.m.Saint John
C$ 1,037
Find similar

United Airlines flights from Saint John to London

Our best United Airlines deals on Saint John to London flight tickets
United Airlines
22 Oct
YSJ11:35 a.m.Saint John
19h 05m
2 stops
LHR10:40 a.m.London Heathrow
29 Oct
LHR4:20 p.m.London Heathrow
21h 55m
2 stops
YSJ11:15 a.m.Saint John
C$ 1,050
Find similar
United Airlines
23 Oct
YSJ5:55 a.m.Saint John
20h 25m
2 stops
LHR6:20 a.m.London Heathrow
28 Oct
LHR7:40 a.m.London Heathrow
18h 49m
2 stops
YSJ11:29 p.m.Saint John
C$ 1,118
Find similar
United Airlines
27 Sep
YSJ5:55 a.m.Saint John
24h 15m
2 stops
LHR10:10 a.m.London Heathrow
4 Oct
LHR12:15 p.m.London Heathrow
50h 34m
2 stops
YSJ10:49 a.m.Saint John
C$ 1,159
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Saint John to London 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 16 September 2025.
Use the filters below to find and compare flights from Saint John to London that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Saint JohnLondon

YSJ - LHR

YSJLHR

Saint John

Fri 20/2

11:55 a.m.-8:30 a.m.

2 stops16h 35m

London Heathrow

Tue 24/2

9:00 a.m.-11:29 p.m.

2 stops18h 29m

C$ 1,024

Saint JohnLondon

YSJ - LHR

YSJLHR

Saint John

Fri 24/10

11:35 a.m.-6:30 a.m.

1 stop14h 55m

London Heathrow

Wed 29/10

1:25 p.m.-11:15 a.m.

1 stop24h 50m

C$ 1,028

Saint JohnLondon

YSJ - LHR

YSJLHR

Saint John

Fri 24/10

5:55 a.m.-6:30 a.m.

2 stops20h 35m

London Heathrow

Wed 29/10

1:25 p.m.-11:15 a.m.

1 stop24h 50m

C$ 1,037

Saint JohnLondon

YSJ - LHR

YSJLHR

Saint John

Fri 20/2

6:15 p.m.-11:50 a.m.

1 stop13h 35m

London Heathrow

Tue 24/2

1:25 p.m.-11:15 a.m.

1 stop25h 50m

C$ 1,040

Saint JohnLondon

YSJ - LHR

YSJLHR

Saint John

Wed 22/10

11:35 a.m.-10:40 a.m.

2 stops19h 05m

London Heathrow

Wed 29/10

4:20 p.m.-11:15 a.m.

2 stops21h 55m

C$ 1,050

Saint JohnLondon

YSJ - LGW

YSJLGW

Saint John

Fri 24/10

10:45 a.m.-10:45 a.m.

1 stop20h 00m

London Gatwick

Wed 29/10

11:40 a.m.-3:45 p.m.

2 stops31h 05m

C$ 1,094

Saint JohnLondon

YSJ - LHR

YSJLHR

Saint John

Thu 23/10

5:55 a.m.-6:20 a.m.

2 stops20h 25m

London Heathrow

Tue 28/10

7:40 a.m.-11:29 p.m.

2 stops18h 49m

C$ 1,118

Saint JohnLondon

YSJ - LGW

YSJLGW

Saint John

Wed 22/10

12:00 p.m.-9:25 a.m.

1 stop17h 25m

London Gatwick

Wed 29/10

11:40 a.m.-3:45 p.m.

2 stops31h 05m

C$ 1,841

Saint JohnLondon

YSJ - LGW

YSJLGW

Saint John

Fri 20/2

11:55 a.m.-9:10 a.m.

2 stops41h 15m

London Gatwick

Tue 24/2

10:05 a.m.-11:15 a.m.

2 stops53h 10m

C$ 2,741

Saint JohnLondon

YSJ - LGW

YSJLGW

Saint John

Fri 24/10

11:35 a.m.-10:10 a.m.

2 stops42h 35m

London Gatwick

Wed 29/10

6:25 a.m.-11:15 a.m.

2 stops31h 50m

C$ 2,796

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 18 resultsSorted by cheapest first
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See travel insights to London from

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

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 Saint John and London?

What is the cheapest day to depart on your flight to London?

According to our data, Monday is the cheapest day to fly to London from Saint John. The lowest ticket price found for a Monday departure recently was C$ 1,108. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. When flying out on a Sunday, the most expensive travel day of the week, you can expect to see flight prices from Saint John to London for around C$ 1,347.

When to book flights from Saint John to London

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

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

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

Direct flights

None
There are no direct flights from Saint John to London. There are no popular flight routes from Saint John to London.
  • How far is Saint John to London by plane?

    There are 4747.7 km between Saint John and London. By plane, this route typically takes 13h 35m.

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

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

  • How many operators does momondo search for flights from Saint John Airport to London?

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

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Saint John Airport to London.

  • What documentation or ID do you need to fly to London?

    The travel and health documents required for your trip to London 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 London. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

  • What is the most popular airline from Saint John to London?

Best airlines flying from Saint John to London

Compare and see reviews for airlines that fly from Saint John to London with momondo
Airline
Rating
Free Cancellation
Price
Air CanadaPriceFrom C$ 1,153Free CancellationRating
7.1
10,000 reviews
Search Air Canada flights

Travelling to a place near London?

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Hounslow
Ipswich
Dartford
Gatwick
Ilford
Wembley
Maidstone
Chelmsford
Wokingham
Slough
Canterbury
Feltham
Hayes
Uxbridge
Waterlooville
Newport
Basingstoke
Milton Keynes
Dover
Worthing

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It is quick and easy to find Saint John to London flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to London that suits you.

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

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

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

Once you have performed a search for Saint John to London flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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1 adult
Thu 16/10
Thu 23/10

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Fly into one of these airports located in London

Airports listed have a maximum distance of 57.3 km from London