Yes I went to the Last night a few years back. We were super organised that year as one of my sons was in one, so we bought tickets for a few of the proms, can't remember how many, maybe 4 or 5, and applied for the last night and got 2 tickets in a box, and it was my birthday!. Not all the proms are super expensive, you can get cheap tickets especially for the late night ones, and if you want to stand. Same son was in the choir at one of the proms this year and we enjoyed it so much we couldn't remember why we hadn't gone to more this year. You've just got to apply early in the year when the programme comes out.