Yes, that is often possible — as long as the airline allows it.
Please note that any previously paid seat fees are not refundable or transferable + extra charges apply. A change is considered a voluntary cancellation of the previous seat reservation, without refund. You will then make a new reservation at the rates applicable at that time.
Would you like to request a change?
Contact us with your preferences. We will check the possibilities and will get back to you. Please note: upgrades to higher classes are at all times very expensive.