Generally speaking, it is usually cheaper to upgrade your flight in advance online or over the phone than at the airport before checking in. However, if you wait until you get to the airport, there may be last-minute deals available that could save you money.
Is it worth it to upgrade flight seats?
Although more expensive than buying an extra legroom seat, sometimes upgrading to premium economy is worth the price (which is usually about double the price of an economy seat, on average). If you're flying long-haul or on an international route, research if your airline has a premium economy cabin.
Is it cheaper to upgrade seats last minute?
Is it worth upgrading from economy to Premium Economy?
Offering more space, more comfort and more personalized service, it can make your trip pleasant without costing as much as upgrading all the way to business class. For travelers looking for that sweet spot in the middle, premium economy may be a good fit.
When should you ask for an upgrade flight?
"You should ask prior to door closure, but don't be surprised if they don't move you until after you're in the air if they're going to grant your request." Fogwell added that you're more likely to score a (paid) upgrade to an economy-plus seat than you are to first or business class.
When should you ask for a seat upgrade?
"You should ask prior to door closure, but don't be surprised if they don't move you until after you're in the air if they're going to grant your request." Fogwell added that you're more likely to score a (paid) upgrade to an economy-plus seat than you are to first or business class.