Cheap flights from London Heathrow Airport to Saint John from £524
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from London Heathrow Airport to Saint John 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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Use the filters below to find and compare flights from London Heathrow Airport to Saint John that are best for you.
Fly from
Fly to
Route
Depart
Return
LondonSaint John
LHR London Heathrow - YSJ Saint John
LHRYSJ
London Heathrow
Thu 5/11
09:00-23:28
2 stops18h 28m
Saint John
Sun 8/11
17:35-06:30
2 stops32h 55m
LondonSaint John
LHR London Heathrow - YSJ Saint John
LHRYSJ
London Heathrow
Thu 5/11
06:00-23:28
2 stops21h 28m
Saint John
Sun 8/11
17:35-21:00
2 stops23h 25m
LondonSaint John
LHR London Heathrow - YSJ Saint John
LHRYSJ
London Heathrow
Thu 5/11
13:00-10:19
1 stop25h 19m
Saint John
Sun 8/11
17:35-06:30
2 stops32h 55m
LondonSaint John
LHR London Heathrow - YSJ Saint John
LHRYSJ
London Heathrow
Thu 5/11
13:00-10:19
1 stop25h 19m
Saint John
Sun 8/11
17:35-06:30
2 stops32h 55m
LondonSaint John
LHR London Heathrow - YSJ Saint John
LHRYSJ
London Heathrow
Thu 5/11
11:10-23:28
1 stop16h 18m
Saint John
Sun 8/11
11:05-07:10
1 stop16h 05m
LondonSaint John
LHR London Heathrow - YSJ Saint John
LHRYSJ
London Heathrow
Thu 5/11
11:10-23:28
1 stop16h 18m
Saint John
Sun 8/11
11:05-07:10
1 stop16h 05m
LondonSaint John
LHR London Heathrow - YSJ Saint John
LHRYSJ
London Heathrow
Thu 19/11
18:00-23:28
1 stop33h 28m
LondonSaint John
LHR London Heathrow - YSJ Saint John
LHRYSJ
London Heathrow
Thu 19/11
06:00-23:28
2 stops21h 28m
LondonSaint John
LHR London Heathrow - YSJ Saint John
LHRYSJ
London Heathrow
Thu 19/11
15:00-10:19
3 stops23h 19m
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How to get the cheapest flight ticket from London Heathrow Airport 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
When to book flights from London Heathrow Airport to Saint John
Cheap London Heathrow Airport to Saint John (LHR to YSJ) flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from London Heathrow Airport to Saint John
Frequently asked questions about flying from London Heathrow Airport to Saint John
How far is London Heathrow to Saint John by plane?
A flight from London Heathrow to Saint John will travel around 2937.2 mi.
When did momondo last update prices for flights from London Heathrow Airport to Saint John Airport?
Prices for flights from London Heathrow Airport to Saint John Airport refresh daily.
How many operators does momondo search for flights from London Heathrow Airport to Saint John Airport?
As of October 2026, there is 1 operator available to choose from for flights from London Heathrow Airport to Saint John Airport.
How old do you have to be to fly from London Heathrow Airport to Saint John 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 London Heathrow 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 Heathrow Airport to Saint John?
Based on momondo bookings for this flight route, the most popular airline on flight routes from London Heathrow Airport to Saint John is Air Canada (100% of total bookings).
Best airlines flying from London Heathrow Airport to Saint John
Compare and see reviews for airlines that fly from London Heathrow Airport to Saint John with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom £482 | Free Cancellation | Rating 7.1 11,744 reviews |
Why use momondo?
Why should I use momondo to find a flight deal from London to Saint John?
We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from London to Saint John for you.
Can I find flights from London to Saint John with flexible booking policies on momondo?
Yes. momondo enables you to select and highlight flights to Saint John from London with this policy.
How can momondo help me find flights from London to Saint John?
Once you have performed a search for London to Saint John 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 London to Saint John right now. Can momondo alert me if prices change?
If you are simply researching potential flights to Saint John, momondo offers a useful price alert feature which will track prices for flights to Saint John from London and alert you when they change.