How long does it take to fly from London to St. John's, NL? There are very few non-stop flights from London to St. John's, NL. Therefore, you'll have to take connecting flights. In such cases, flight ...

Oftentimes, when a flight is delayed or canceled, a fevered mob careens toward the nearest airline service desk. You can avoid the spectacle by calling United’s reservations number at 800-864-8331.