It can be difficult to determine the cheapest airlines around the world as prices can vary significantly depending on a number of factors, including the destination, time of year, and how far in advance you book your tickets. However, here are some airlines that are generally known for offering competitive prices on flights:
Southwest Airlines - a low-cost carrier based in the United
States, Southwest offers flights within the U.S. as well as to destinations in
the Caribbean, Mexico, and Central America.
Ryanair - a low-cost carrier based in Ireland, Ryanair
operates flights to destinations throughout Europe.
EasyJet - a low-cost carrier based in the United Kingdom,
EasyJet operates flights to destinations throughout Europe, as well as a few
destinations in Africa and the Middle East.
AirAsia - a low-cost carrier based in Malaysia, AirAsia
operates flights to destinations throughout Asia, as well as to Australia and
the Middle East.
JetBlue - a low-cost carrier based in the United States,
JetBlue offers flights to destinations throughout the U.S., as well as to the
Caribbean and Latin America.
It is always a good idea to compare prices from multiple
airlines and to book your tickets as far in advance as possible to get the best
deal. It is also worth considering alternative airports or layovers, as these
can sometimes result in significantly lower prices.