Cheap flights from Saint John to London from C$ 1,260

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Saint John to London departing on 24/3. 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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Cheap round-trip flights

Enter your travel dates to find the best prices.
Air Canada Logo
5:40 a.m. - 8:46 a.m.YSJ-YXU
4h 06m1 stop
Air Canada Logo
5:15 a.m. - 10:49 a.m.YXU-YSJ
4h 34m1 stop
C$ 1,260Air Canada
Find Deal
Tue, 24 Mar - Sat, 28 Mar
Air Canada Logo
11:30 a.m. - 5:05 p.m.YSJ-YXU
6h 35m1 stop
Air Canada Logo
5:15 a.m. - 10:49 a.m.YXU-YSJ
4h 34m1 stop
C$ 1,261Air Canada
Find Deal
Tue, 24 Mar - Sat, 28 Mar
Air Canada Logo
4:15 p.m. - 5:05 p.m.YSJ-YXU
25h 50m2 stops
Air Canada Logo
5:15 a.m. - 3:35 p.m.YXU-YSJ
9h 20m2 stops
C$ 1,293Air Canada
Find Deal
Tue, 24 Mar - Sat, 28 Mar
Air Canada Logo
4:15 p.m. - 8:46 a.m.YSJ-YXU
17h 31m2 stops
Air Canada Logo
5:15 a.m. - 3:35 p.m.YXU-YSJ
9h 20m2 stops
C$ 1,295Air Canada
Find Deal
Tue, 24 Mar - Sat, 28 Mar

Air Canada flights from Saint John to London, Ontario

Our best Air Canada deals on Saint John to London, Ontario flight tickets
Air Canada
24 Mar
YSJ5:40 a.m.Saint John
4h 06m
1 stop
YXU8:46 a.m.London
28 Mar
YXU5:15 a.m.London
4h 34m
1 stop
YSJ10:49 a.m.Saint John
C$ 1,260
Find similar
Air Canada
24 Mar
YSJ11:30 a.m.Saint John
6h 35m
1 stop
YXU5:05 p.m.London
28 Mar
YXU5:15 a.m.London
4h 34m
1 stop
YSJ10:49 a.m.Saint John
C$ 1,261
Find similar
Air Canada
24 Mar
YSJ4:15 p.m.Saint John
25h 50m
2 stops
YXU5:05 p.m.London
28 Mar
YXU5:15 a.m.London
9h 20m
2 stops
YSJ3:35 p.m.Saint John
C$ 1,293
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Saint John to London, Ontario 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 14 October 2025.
Use the filters below to find and compare flights from Saint John to London, Ontario that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Saint JohnLondon

YSJ - YXU

YSJYXU

Saint John

Tue 24/3

5:40 a.m.-8:46 a.m.

1 stop4h 06m

London

Sat 28/3

5:15 a.m.-10:49 a.m.

1 stop4h 34m

C$ 1,260

Saint JohnLondon

YSJ - YXU

YSJYXU

Saint John

Tue 24/3

11:30 a.m.-5:05 p.m.

1 stop6h 35m

London

Sat 28/3

5:15 a.m.-10:49 a.m.

1 stop4h 34m

C$ 1,261

Saint JohnLondon

YSJ - YXU

YSJYXU

Saint John

Tue 24/3

4:15 p.m.-5:05 p.m.

2 stops25h 50m

London

Sat 28/3

5:15 a.m.-3:35 p.m.

2 stops9h 20m

C$ 1,293

Saint JohnLondon

YSJ - YXU

YSJYXU

Saint John

Tue 24/3

4:15 p.m.-8:46 a.m.

2 stops17h 31m

London

Sat 28/3

5:15 a.m.-3:35 p.m.

2 stops9h 20m

C$ 1,295

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

See travel insights to London from

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

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

Which airlines fly to London, Ontario?

Air Canada, Porter Airlines and Flair Airlines are the top three most popular airlines that fly to London, Ontario from Saint John 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 London, Ontario. Keep in mind that there are 3 different airlines that fly to London, Ontario on a routine basis, so you have a few additional options to choose from.

When to book flights from Saint John to London, Ontario

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

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

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

Direct flights

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

    A flight from Saint John to London will travel around 1234.0 km. In terms of flight time, this usually takes a little over 4h 06m.

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

    Prices for flights from Saint John Airport to London Airport refresh daily.

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

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Saint John Airport to London Airport.

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

    The necessary travel and health documents for your London Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Travelling to a place near London?

Book flights to London if you plan to visit one of these locations
Grand Bend
Port Stanley

Why use momondo?

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Saint John to London. momondo saves you time and could save you money on your trip.

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

Yes. momondo allows you to filter the results for Saint John to London flights to just show those with flexible booking policies.

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?

Yes. momondo can track prices for Saint John to London 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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1 adult
Thu 13/11
Thu 20/11

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