Ultra low cost airlines are typically the cheapest option for a flight that you are planning to take. There is only one class of service and no business class or first class. However, be aware of the additional fees and charges that you may encounter.
These fees can include:
Checked bag fees
Carry on bag fees
Inflight food and beverages (additional cost)
Ticket printing fee
Change / cancellation fees
Seat selection fee
Boarding group fee
Legacy Airlines:
Legacy airlines are usually more expensive than their ultra low cost counterparts, however, there are times when they fight dollar for dollar with each other on certain routes and nice discounts can be found. Legacy carriers vary in terms of what they charge in addition to the ticket price, but let’s go over each type of service/ticket class that most airlines offer.
These tickets are the absolute cheapest for a flight, however, they always charge a fee for checked/carry-on bags, as well as selecting a seat.
Economy/Coach
These tickets are cheap, but not as cheap as the Basic Economy. However, they sometimes include bag/carry-on fees, as well as seat selection within 24 hours of departure.
Business Class/First Class
These tickets are the most expensive and include everything, include bag fees, seat selection, meals, drinks, etc.