How to Find Cheap Flights in 2026

Why the usual tricks disappoint

The most persistent myth is that fares drop on a particular weekday. It comes from an era when airlines loaded fare updates on a fixed schedule and a human could time the gap. Pricing now updates continuously, and any pattern that genuinely existed would be arbitraged away almost immediately.

Incognito mode is the other one worth retiring. The idea is that sites raise prices once they see you searching repeatedly. Fares move because seats in a booking class sell out and the next class up becomes the cheapest available, and that happens whether or not you have been searching. Clearing cookies changes nothing about how many discounted seats remain.

This matters beyond debunking, because chasing tricks costs attention you could spend on the things that genuinely move the price: which dates you fly, which airports you use, and what the ticket actually includes.

Dates move the price more than anything else

Search your preferred dates first so you have a reference point, then shift each end of the trip by one to three days and watch what happens. On a leisure route you will often find the difference between adjacent days is substantial, because demand concentrates on the days most people want.

Treat the outbound and return separately. Travellers tend to move both ends together, but the saving usually sits on one of them. A Sunday evening return is frequently the single most expensive leg of a trip, and moving it to Monday morning can change the total more than any other adjustment you make.

• Compare the outbound and return dates independently, not as a pair.
• Check the first and last departures of the day, which are often priced lower.
• Set a price alert rather than repeating the same search daily.
• Note the cheapest date you have seen, so you can recognise a good price later.

Nearby airports, with the transfer costed in

Multi-airport cities are where the biggest differences hide. London, New York, Paris, Tokyo and Milan all have several airports, and the fare gap between them can be considerable on the same day.

The mistake is stopping at the fare. An airport an hour further out might save a meaningful amount, then hand it back in train fares, a taxi at an hour when public transport has stopped, or an extra night because the arrival is too late to travel onward. Work out the door-to-door cost and the door-to-door time before you commit, and be honest about the late-night arrival.

Compare the whole trip, not the headline fare

A low basic-economy fare is a genuine option when you are travelling light and your plans are firm. It becomes an expensive one the moment you add a checked bag, want to choose a seat, or need to move the date.

Put the fares side by side with everything included: cabin and checked baggage, seat selection if you need particular seats, the change and cancellation rules, and the connection time. A fare that looks higher can end up cheaper once a bag is attached, and it will usually be less stressful.

Check the connection before the price

Itineraries that look similar in a results list can behave very differently. A single ticket through one airline or alliance means the carrier is responsible for getting you to your destination if the first leg runs late. Two separate tickets booked to look like a connection means a delay is your problem and your cost.

Look for whether you change terminals, whether you need to clear immigration and recheck bags, and whether the layover leaves room for the first flight to run late. Short connections at large hub airports are a common source of trouble, particularly where an international arrival requires re-entering security.

Use alerts instead of repeat searching

Checking the same route every day is the least efficient way to buy a flight. It consumes attention, and because you only see one snapshot at a time it is hard to tell whether today's number is good or ordinary.

Price alerts solve both problems. Set one as soon as you know the route and rough dates, and let it accumulate history. When it eventually tells you the fare has dropped, you have context for judging whether the drop is meaningful. Set alerts for the nearby airports too, since the alternative airport is often where movement appears first.

Decide what a good price is, then stop

Open-ended searching is where people lose most of their time and often their money, because a fare they would have accepted disappears while they wait for something better.

Before you start, decide what you would be content to pay. When an itinerary that suits your trip reaches that number and the rules work for you, book it. Fares can fall after you buy, and occasionally they will. That is the cost of certainty, and it is usually worth paying.