Direct vs Nonstop Flight
Not the same thing: a nonstop flight has no stops, a "direct" flight may land at intermediate airports. The difference can mean an extra 2 hours in your journey.
The difference between direct and nonstop
These two terms are commonly confused — including by airlines themselves. A nonstop flight goes from A to B without touching the ground in between. A direct flight keeps the same flight number from start to finish but may land at one or more intermediate airports. You might board a "direct" flight in London, land briefly in Madrid, and continue to Buenos Aires — all on the same flight number, but with a 45-minute stop in Madrid that adds time to your journey.
Direct flights with intermediate stops were common in the era before modern long-haul jets. Today they are rarer but still exist, particularly on routes served by smaller aircraft that need a technical refuelling stop, or on routes where the airline is building load by picking up passengers at an intermediate city.
How to identify what you are booking
When searching on Google Flights or an airline's website, look for the number of stops shown next to each result. "0 stops" always means nonstop. "1 stop" could mean either a technical stop on a direct flight or a genuine connecting flight where you change planes. Read the details carefully: if the aircraft and flight number remain the same throughout, it is a direct flight with a technical stop. If there is a different flight number or aircraft type after the stop, you are connecting.
Nonstop is almost always preferable: fewer delays, less time, and less baggage risk. But direct flights with a stop can sometimes be significantly cheaper, especially if the intermediate stop is brief and the overall journey time is still acceptable.
When a stop works in your favour
Some travellers actively seek flights with intermediate stops because they are cheaper or because they allow a mini-break at the hub city. A flight from London to Tokyo with a 5-hour stop in Helsinki (Finnair) might be £150 cheaper than the nonstop, and Helsinki's compact airport makes the transit pleasant rather than stressful.
For budget-conscious travellers, the extra time is usually worth the saving. For business travellers or those with tight onward connections, nonstop is worth the premium. FairFares shows both options — filter by "nonstop only" when time matters, or leave it open to find the best-value itinerary.