Cheap flights from London-Gatwick to Saint John

Destination name

Saint John flight facts

What you need to know

What are the cheapest airlines?

  • WestJet
  • Air Canada
  • British Airways

These airlines usually offer the cheapest flights from London-Gatwick to Saint John.

What airlines fly indirectly?

  • American Airlines
  • Delta Air Lines
  • United Airlines

These airlines fly from London-Gatwick to Saint John, but you’ll have at least one layover.

How long is the flight?

10 hours 30 minutes

This is the shortest flight time from London-Gatwick to Saint John.

Destination name

Today alone, Netflights has searched over five flights. 05 / Feb / 2026 is currently the lowest priced day of the year to fly the London-Gatwick/Saint John route. There are around 35 flights on any given week from the UK to Saint John and the cheapest month to fly right now is February. Not suitable? Try running another search or viewing all cheap flight deals.

How to get cheap flights from London-Gatwick to Saint John

Tips and advice from our flight experts

You've searched for flights from London-Gatwick to Saint John. We've found 25 flights and compared them to give you the best offers. WestJet is, on average, the cheapest airline for this route. Look out for their deals! The cheapest offer we've found is a one-way ticket for £49 from London-Gatwick to Saint John on 12/07/2026 at 17:15.

We've scanned hundreds of airfares from dozens of airlines across the globe. In total, we've found 5 airlines that operate the 4,200 km flight from London-Gatwick to Saint John.

To find the best offers, consider booking 2-3 months in advance. Last-minute deals can be risky. WestJet is a popular, budget-friendly option for this route, with an average flight duration of 10 hours 30 minutes. After selecting an offer, fill out your information and proceed to payment. Consider booking a hotel with us or using our flight + hotel service to save time and money.