Cheap flights from Saint John to London from C$ 779
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 19/11. 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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Fly from
Fly to
Route
Depart
Return
Saint JohnLondon
YSJ Saint John - LHR London Heathrow
YSJLHR
Saint John
Wed 11/11
11:05 a.m.-7:10 a.m.
1 stop16h 05m
London Heathrow
Wed 18/11
6:00 a.m.-10:19 a.m.
2 stops32h 19m
Saint JohnLondon
YSJ Saint John - LHR London Heathrow
YSJLHR
Saint John
Wed 20/1
11:05 a.m.-8:05 a.m.
2 stops17h 00m
London Heathrow
Fri 29/1
9:00 a.m.-10:25 a.m.
2 stops29h 25m
Saint JohnLondon
YSJ Saint John - LHR London Heathrow
YSJLHR
Saint John
Wed 20/1
11:05 a.m.-7:10 a.m.
1 stop16h 05m
London Heathrow
Fri 29/1
9:00 a.m.-10:25 a.m.
2 stops29h 25m
Saint JohnLondon
YSJ Saint John - LHR London Heathrow
YSJLHR
Saint John
Wed 11/11
5:20 a.m.-7:10 a.m.
2 stops21h 50m
London Heathrow
Wed 18/11
9:00 a.m.-10:19 a.m.
2 stops29h 19m
Saint JohnLondon
YSJ Saint John - LHR London Heathrow
YSJLHR
Saint John
Mon 18/1
11:05 a.m.-7:10 a.m.
1 stop16h 05m
London Heathrow
Fri 22/1
6:00 a.m.-11:54 p.m.
2 stops21h 54m
Saint JohnLondon
YSJ Saint John - LHR London Heathrow
YSJLHR
Saint John
Mon 18/1
11:05 a.m.-7:10 a.m.
1 stop16h 05m
London Heathrow
Fri 22/1
6:00 a.m.-11:54 p.m.
2 stops21h 54m
Saint JohnLondon
YSJ Saint John - LHR London Heathrow
YSJLHR
Saint John
Wed 11/11
11:05 a.m.-7:10 a.m.
1 stop16h 05m
London Heathrow
Wed 18/11
1:00 p.m.-10:19 a.m.
1 stop25h 19m
Saint JohnLondon
YSJ Saint John - LHR London Heathrow
YSJLHR
Saint John
Mon 18/1
11:05 a.m.-11:20 a.m.
2 stops20h 15m
London Heathrow
Fri 22/1
9:00 a.m.-11:54 p.m.
2 stops18h 54m
Saint JohnLondon
YSJ Saint John - LHR London Heathrow
YSJLHR
Saint John
Mon 18/1
11:05 a.m.-11:20 a.m.
2 stops20h 15m
London Heathrow
Fri 22/1
9:00 a.m.-11:54 p.m.
2 stops18h 54m
Saint JohnLondon
YSJ Saint John - LHR London Heathrow
YSJLHR
Saint John
Wed 20/1
11:05 a.m.-7:10 a.m.
1 stop16h 05m
London Heathrow
Fri 29/1
1:00 p.m.-10:25 a.m.
1 stop25h 25m
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How to get the cheapest flight ticket from Saint John to London
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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
Frequently asked questions about flying 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 20m.
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?
There is 1 operator available for flights from Saint John Airport to London as of October 2026.
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?
Based on momondo bookings for flights between Saint John and London, the leading airline is Air Canada, making up 100% of the total bookings.
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 | ||
|---|---|---|---|---|---|
| PriceFrom C$ 1,319 | Free Cancellation | Rating 7.1 11,744 reviews |
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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.