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Cheap flights from Saint John to London from C$ 607

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 15/6. 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
1 adult, Economy, 0 bags

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Find the cheapest flights from Saint John to London

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
4:30 p.m. - 10:40 a.m.
YSJ
-
LHR
14h 10m
2 stops
United Airlines Logo
12:15 p.m. - 3:40 p.m.
LHR
-
YSJ
31h 25m
2 stops
C$ 1,142United Airlines
Sun, 10 May - Thu, 14 May
United Airlines Logo
11:55 a.m. - 6:55 a.m.
YSJ
-
LHR
39h 00m
2 stops
United Airlines Logo
4:40 p.m. - 11:15 a.m.
LHR
-
YSJ
46h 35m
2 stops
C$ 1,143United Airlines
Sat, 18 Apr - Sat, 25 Apr
United Airlines Logo
5:00 a.m. - 7:15 a.m.
YSJ
-
LHR
22h 15m
2 stops
United Airlines Logo
12:15 p.m. - 3:40 p.m.
LHR
-
YSJ
31h 25m
2 stops
C$ 1,147United Airlines
Fri, 22 May - Tue, 26 May
United Airlines Logo
5:35 a.m. - 10:40 a.m.
YSJ
-
LHR
25h 05m
2 stops
United Airlines Logo
2:10 p.m. - 11:15 a.m.
LHR
-
YSJ
49h 05m
2 stops
C$ 1,150United Airlines
Sat, 18 Apr - Sat, 25 Apr
United Airlines Logo
5:00 a.m. - 7:15 a.m.
YSJ
-
LHR
22h 15m
2 stops
United Airlines Logo
12:15 p.m. - 3:40 p.m.
LHR
-
YSJ
31h 25m
2 stops
C$ 1,169United Airlines
Fri, 22 May - Tue, 26 May
United Airlines Logo
4:30 p.m. - 6:45 a.m.
YSJ
-
LHR
34h 15m
2 stops
United Airlines Logo
10:25 a.m. - 11:52 p.m.
LHR
-
YSJ
17h 27m
2 stops
C$ 1,171United Airlines
Sat, 2 May - Sat, 9 May
Air Canada Logo
4:30 p.m. - 10:00 a.m.
YSJ
-
LHR
13h 30m
1 stop
Air Canada Logo
9:30 a.m. - 3:49 p.m.
LHR
-
YSJ
10h 19m
1 stop
C$ 1,282Air Canada
Tue, 8 Sep - Wed, 23 Sep
Air Canada Logo
12:50 p.m. - 6:30 a.m.
YSJ
-
LHR
13h 40m
2 stops
Air Canada Logo
9:30 a.m. - 3:49 p.m.
LHR
-
YSJ
10h 19m
1 stop
C$ 1,293Air Canada
Tue, 8 Sep - Wed, 23 Sep
Multiple Airlines Logo
5:35 a.m. - 5:55 a.m.
YSJ
-
LHR
20h 20m
2 stops
Multiple Airlines Logo
8:30 a.m. - 11:52 p.m.
LHR
-
YSJ
19h 22m
1 stop
C$ 1,341Multiple Airlines
Sat, 18 Apr - Sat, 25 Apr
Air Canada Logo
4:30 p.m. - 10:00 a.m.
YSJ
-
LHR
13h 30m
1 stop
Air Canada Logo
6:50 a.m. - 3:40 p.m.
LHR
-
YSJ
12h 50m
2 stops
C$ 1,365Air Canada
Fri, 22 May - Tue, 26 May

Air Canada flights from Saint John to London

Our best Air Canada deals on Saint John to London flight tickets
Air Canada
8 Sep
YSJ4:30 p.m.Saint John
13h 30m
1 stop
LHR10:00 a.m.London Heathrow
23 Sep
LHR9:30 a.m.London Heathrow
10h 19m
1 stop
YSJ3:49 p.m.Saint John
C$ 1,282
Air Canada
8 Sep
YSJ12:50 p.m.Saint John
13h 40m
2 stops
LHR6:30 a.m.London Heathrow
23 Sep
LHR9:30 a.m.London Heathrow
10h 19m
1 stop
YSJ3:49 p.m.Saint John
C$ 1,293
Air Canada
22 May
YSJ4:30 p.m.Saint John
13h 30m
1 stop
LHR10:00 a.m.London Heathrow
26 May
LHR6:50 a.m.London Heathrow
12h 50m
2 stops
YSJ3:40 p.m.Saint John
C$ 1,365

United Airlines flights from Saint John to London

Our best United Airlines deals on Saint John to London flight tickets
United Airlines
10 May
YSJ4:30 p.m.Saint John
14h 10m
2 stops
LHR10:40 a.m.London Heathrow
14 May
LHR12:15 p.m.London Heathrow
31h 25m
2 stops
YSJ3:40 p.m.Saint John
C$ 1,142
United Airlines
18 Apr
YSJ11:55 a.m.Saint John
39h 00m
2 stops
LHR6:55 a.m.London Heathrow
25 Apr
LHR4:40 p.m.London Heathrow
46h 35m
2 stops
YSJ11:15 a.m.Saint John
C$ 1,143
United Airlines
22 May
YSJ5:00 a.m.Saint John
22h 15m
2 stops
LHR7:15 a.m.London Heathrow
26 May
LHR12:15 p.m.London Heathrow
31h 25m
2 stops
YSJ3:40 p.m.Saint John
C$ 1,147

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 21 March 2026.
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

Cheapest round-trip

Saint JohnLondon

YSJ - LHR

YSJLHR

Saint John

Sun 10/5

4:30 p.m.-10:40 a.m.

2 stops14h 10m

London Heathrow

Thu 14/5

12:15 p.m.-3:40 p.m.

2 stops31h 25m

C$ 1,142

Saint JohnLondon

YSJ - LHR

YSJLHR

Saint John

Sat 18/4

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

2 stops39h 00m

London Heathrow

Sat 25/4

4:40 p.m.-11:15 a.m.

2 stops46h 35m

C$ 1,143

Saint JohnLondon

YSJ - LHR

YSJLHR

Saint John

Fri 22/5

5:00 a.m.-7:15 a.m.

2 stops22h 15m

London Heathrow

Tue 26/5

12:15 p.m.-3:40 p.m.

2 stops31h 25m

C$ 1,147

Saint JohnLondon

YSJ - LHR

YSJLHR

Saint John

Sat 18/4

5:35 a.m.-10:40 a.m.

2 stops25h 05m

London Heathrow

Sat 25/4

2:10 p.m.-11:15 a.m.

2 stops49h 05m

C$ 1,150

Saint JohnLondon

YSJ - LHR

YSJLHR

Saint John

Fri 22/5

5:00 a.m.-7:15 a.m.

2 stops22h 15m

London Heathrow

Tue 26/5

12:15 p.m.-3:40 p.m.

2 stops31h 25m

C$ 1,169

Saint JohnLondon

YSJ - LHR

YSJLHR

Saint John

Sat 2/5

4:30 p.m.-6:45 a.m.

2 stops34h 15m

London Heathrow

Sat 9/5

10:25 a.m.-11:52 p.m.

2 stops17h 27m

C$ 1,171
Quickest round-trip

Saint JohnLondon

YSJ - LHR

YSJLHR

Saint John

Tue 8/9

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

1 stop13h 30m

London Heathrow

Wed 23/9

9:30 a.m.-3:49 p.m.

1 stop10h 19m

C$ 1,282

Saint JohnLondon

YSJ - LHR

YSJLHR

Saint John

Tue 8/9

12:50 p.m.-6:30 a.m.

2 stops13h 40m

London Heathrow

Wed 23/9

9:30 a.m.-3:49 p.m.

1 stop10h 19m

C$ 1,293

Saint JohnLondon

YSJ - LHR

YSJLHR

Saint John

Sat 18/4

5:35 a.m.-5:55 a.m.

2 stops20h 20m

London Heathrow

Sat 25/4

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

1 stop19h 22m

C$ 1,341

Saint JohnLondon

YSJ - LHR

YSJLHR

Saint John

Fri 22/5

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

1 stop13h 30m

London Heathrow

Tue 26/5

6:50 a.m.-3:40 p.m.

2 stops12h 50m

C$ 1,365

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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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?

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

Fastest flight time

10h 00m

Direct flights

None
The fastest flight from Saint John to London takes 10h 00m
There are no direct flights from Saint John to London. There are no popular flight routes from Saint John to London.
Search flight deals

  • 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 10h 00m.

  • 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$ 1,160Free CancellationRating
7.1
10,819 reviews
Search Air Canada flights

Travelling to a place near London?

Book flights to London if you plan to visit one of these locations
Hounslow
Wembley
Ilford
Slough
Gatwick
Wokingham
Crawley
Feltham
Hayes
Newport
Waterlooville
Chelmsford
Basingstoke
Milton Keynes
Dover
Guildford
Worthing
Ipswich
Maidstone
Woking

Why use momondo?

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

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.

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

Of course. momondo tracks the price of Saint John to London flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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Find better results for your trip to the United Kingdom

Fly into one of these airports located in London

Airports listed have a maximum distance of 57.3 km from London
London City Airport
London Gatwick Airport
London Heathrow Airport
London Luton Airport
London Southend Airport
London Stansted Airport