What is the cheapest airline that flies from London to Saint John?

Air Canada is the most popular carrier operating from London to Saint John

Which airlines fly to Saint John?

Air Canada, Porter Airlines and Flair Airlines are the top three most popular airlines that fly to Saint John from London, Ontario according to our data. Air Canada is the first choice among our users, with 73% of people opting to fly with this airline when travelling to Saint John. Keep in mind that there are 5 different airlines that fly to Saint John on a routine basis, so you have a few additional options to choose from.

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

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

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

There is 1 operator available for flights from London Airport to Saint John Airport as of August 2025.

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

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from London Airport 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.

C$ 522 Cheap Flights from London to Saint John in 2025

1 adult

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Find the cheapest flights from London, Ontario to Saint John

Round-trip

One-way

Last minute

Cheap round-trip flights

5:55 p.m. - 1:00 a.m.YXU-YSJ

6h 05m1 stop

6:40 p.m. - 9:19 a.m.YSJ-YXU

15h 39m1 stop

C$ 1,411Air Canada

Find Deal

Sat, 30 Aug - Sat, 6 Sep

5:55 p.m. - 1:00 a.m.YXU-YSJ

6h 05m1 stop

11:35 a.m. - 9:29 p.m.YSJ-YXU

10h 54m2 stops

C$ 1,438Air Canada

Find Deal

Sat, 30 Aug - Sat, 6 Sep

5:55 p.m. - 10:39 a.m.YXU-YSJ

15h 44m2 stops

11:35 a.m. - 9:29 p.m.YSJ-YXU

10h 54m2 stops

C$ 1,495Air Canada

Find Deal

Sat, 30 Aug - Sat, 6 Sep

Air Canada flights from London, Ontario to Saint John

Our best Air Canada deals on London, Ontario to Saint John flight tickets

Air Canada

30 Aug

YXU5:55 p.m.London

6h 05m

1 stop

YSJ1:00 a.m.Saint John

6 Sep

YSJ6:40 p.m.Saint John

15h 39m

1 stop

YXU9:19 a.m.London

C$ 1,411

Find similar

Air Canada

30 Aug

YXU5:55 p.m.London

6h 05m

1 stop

YSJ1:00 a.m.Saint John

6 Sep

YSJ11:35 a.m.Saint John

10h 54m

2 stops

YXU9:29 p.m.London

C$ 1,438

Find similar

Air Canada

30 Aug

YXU5:55 p.m.London

15h 44m

2 stops

YSJ10:39 a.m.Saint John

6 Sep

YSJ11:35 a.m.Saint John

10h 54m

2 stops

YXU9:29 p.m.London

C$ 1,495

Find similar

momondo Fare Finder

Use the filters below to find and compare flights from London, Ontario to Saint John that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

LondonSaint John

YXU - YSJ

YXUYSJ

London

Sat 30/8

5:55 p.m.-1:00 a.m.

1 stop6h 05m

Saint John

Sat 6/9

6:40 p.m.-9:19 a.m.

1 stop15h 39m

C$ 1,411

LondonSaint John

YXU - YSJ

YXUYSJ

London

Sat 30/8

5:55 p.m.-1:00 a.m.

1 stop6h 05m

Saint John

Sat 6/9

11:35 a.m.-9:29 p.m.

2 stops10h 54m

C$ 1,438

LondonSaint John

YXU - YSJ

YXUYSJ

London

Sat 30/8

5:55 p.m.-10:39 a.m.

2 stops15h 44m

Saint John

Sat 6/9

11:35 a.m.-9:29 p.m.

2 stops10h 54m

C$ 1,495

LondonSaint John

YXU - YSJ

YXUYSJ

London

Mon 1/9

9:55 a.m.-5:35 p.m.

1 stop6h 40m

C$ 701

LondonSaint John

YXU - YSJ

YXUYSJ

London

Mon 1/9

5:45 p.m.-10:54 a.m.

2 stops16h 09m

C$ 745

LondonSaint John

YXU - YSJ

YXUYSJ

London

Mon 1/9

8:00 p.m.-10:00 a.m.

3 stops37h 00m

C$ 946

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

How to get the cheapest flight ticket from London, Ontario 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

Prices

Airlines

What is the cheapest day to depart on your flight to Saint John?

The cheapest day to depart from London, Ontario to Saint John is on a Saturday. Travellers who choose to depart for Saint John on a Saturday will often find tickets for as low as C$ 565. When flying out on a Friday, the most expensive travel day of the week, you can expect to see flight prices from London, Ontario to Saint John for around C$ 1,296.

When to book flights from London, Ontario to Saint John

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

Estimated round-trip price

Cheap London, Ontario to Saint John (YXU to YSJ) flight deals and tips

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

Best price found	C$ 701
Fastest flight time	6h 05m
Direct flights	None
Airports in Saint John	1 airport

The best one-way flight to Saint John from London, Ontario in the past 72 hours is C$ 701. The best round-trip flight deal from London, Ontario to Saint John found on momondo in the last 72 hours is C$ 1,411.

The fastest flight from London, Ontario to Saint John takes 6h 05m

There are no direct flights from London, Ontario to Saint John. Popular non-direct route for this connection is London Airport - Saint John Airport.

There is 1 airport near Saint John: Saint John (YSJ)

Search flight deals

How far is London to Saint John by plane?
A flight from London to Saint John will travel around 1234.0 km. By plane, this route typically takes 6h 05m.
When did momondo last update prices for flights from London Airport to Saint John Airport?
Prices for flights from London Airport to Saint John Airport were last updated today.
How many operators does momondo search for flights from London Airport to Saint John Airport?
There is 1 operator available for flights from London Airport to Saint John Airport as of August 2025.
How old do you have to be to fly from London Airport to Saint John Airport?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from London Airport 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.
What is the most popular airline from London, Ontario to Saint John?
Based on momondo bookings for flights between London, Ontario and Saint John, the leading airline is Air Canada, making up 100% of the total bookings.

Best airlines flying from London, Ontario to Saint John

Compare and see reviews for airlines that fly from London, Ontario to Saint John with momondo

Airline	Rating	Free Cancellation	Price
Air Canada	PriceFrom C$ 565	Free Cancellation	Rating 7.1 9,992 reviews		Search Air Canada flights

Sussex

Middleton

Why use momondo?

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

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Saint John from London.

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

All flight searches from London to Saint John on momondo can be filtered to show those which offer flexible booking policies.

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

momondo helps you find the best flight between London and Saint John by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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

If you are not ready to book a flight from London to Saint John now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Saint John and let you know when they change.