Baggage fees have been a nuisance to flyers for several years already. These days, checked baggage is almost never free and some low-cost carriers even charge for carry-on bags now. As a result, baggage fees can really add to the total cost of your flight.

The airlines are making a killing by charging us for checked bags. In 2017, airlines made over $4.5 billion from this additional source of revenue. Now, checking a bag is getting more expensive for travelers because United and JetBlue are increasing the first checked bag fees from $25 to $30. And the other airlines are sure to follow.