Because short stage-length flights are more expensive on a cost per passenger-mile basis than long flights. After all, the airline industry is fiercely competitive and generally unprofitable, so prices tend toward costs.
Do longer flights cost more?
Plane tickets usually don't get cheaper closer to the departure date. Flights tend to be the most inexpensive when you book between four months and three weeks before your departure date. According to the CheapAir.com 2019 Annual Airfare Study, you can expect rates to go up after that period.
Why are longer flights more expensive?
Myth #1: The longer the flight, the higher the price
Between the two major hub airports, there are many airlines that fly several flights each day, increasing competition and lowering price. ... Because point A to point B may have a much higher demand than point A to point C, allowing them to charge higher prices."
Why flights are so expensive now?
The aviation sector has been significantly impacted due to the travel restrictions imposed in India and other countries in view of the coronavirus pandemic. All Indian carriers last year took cost-cutting measures such as pay cuts, leave without pay and firing of employees in order to conserve cash.