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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United Airlines flights from Saint John to London Heathrow Airport
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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 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
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
Fri 22/1
11:05 a.m.-10:05 a.m.
2 stops19h 00m
London Heathrow
Fri 29/1
6:50 a.m.-10:25 a.m.
2 stops31h 35m
Saint JohnLondon
YSJ Saint John - LHR London Heathrow
YSJLHR
Saint John
Mon 18/1
11:05 a.m.-5:55 a.m.
2 stops38h 50m
London Heathrow
Fri 22/1
12:00 p.m.-10:25 a.m.
2 stops26h 25m
Saint JohnLondon
YSJ Saint John - LHR London Heathrow
YSJLHR
Saint John
Mon 18/1
11:05 a.m.-5:55 a.m.
2 stops38h 50m
London Heathrow
Fri 22/1
12:00 p.m.-10:25 a.m.
2 stops26h 25m
Saint JohnLondon
YSJ Saint John - LHR London Heathrow
YSJLHR
Saint John
Thu 21/1
11:05 a.m.-10:50 a.m.
2 stops19h 45m
London Heathrow
Thu 28/1
4:20 p.m.-10:25 a.m.
2 stops46h 05m
Saint JohnLondon
YSJ Saint John - LHR London Heathrow
YSJLHR
Saint John
Thu 21/1
11:05 a.m.-10:50 a.m.
2 stops19h 45m
London Heathrow
Fri 29/1
4:20 p.m.-10:25 a.m.
2 stops46h 05m
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How to get the cheapest flight ticket from Saint John to London Heathrow Airport
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
When to book flights from Saint John to London Heathrow Airport
Cheap Saint John to London Heathrow Airport (YSJ to LHR) flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Saint John to London Heathrow Airport
Frequently asked questions about flying from Saint John to London Heathrow Airport
How far is Saint John to London Heathrow by plane?
Saint John and London Heathrow are 4726.9 km apart from one another. By plane, this route typically takes 13h 20m.
When did momondo last update prices for flights from Saint John Airport to London Heathrow Airport?
Prices for flights from Saint John Airport to London Heathrow Airport were last updated today.
How many operators does momondo search for flights from Saint John Airport to London Heathrow Airport?
There is 1 operator available for flights from Saint John Airport to London Heathrow Airport as of October 2026.
How old do you have to be to fly from Saint John Airport to London Heathrow Airport?
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 Heathrow Airport.
What documentation or ID do you need to fly to London Heathrow Airport?
The travel and health documents required for your trip to London Heathrow 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 London Heathrow 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 Saint John to London Heathrow Airport?
Based on momondo bookings for flights between Saint John and London Heathrow Airport, the leading airline is Air Canada, making up 100% of the total bookings.
Best airlines flying from Saint John to London Heathrow Airport
Compare and see reviews for airlines that fly from Saint John to London Heathrow Airport with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom C$ 1,318 | Free Cancellation | Rating 7.1 11,741 reviews |
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Why should I use momondo to find a flight deal from Saint John to London?
Finding the right flight to London from Saint John is quick and easy when you have a range of options in front of you, from reputable agents and recognizable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to London quick and easy, saving you time and money.
Can I find flights from Saint John to London with flexible booking policies on momondo?
momondo does allow users to show only those flights to London from Saint John which offer a flexible booking policy as well as other useful filters and features.
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?
Price alerts on flights to London from Saint John are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.