Ni siquiera con descuento, los boletos del estreno son baratos hoy.

Ni siquiera means not even. It adds emphasis.

So the idea is not just that the premiere tickets are expensive, but that they are expensive to the point that even a discount does not make them cheap.

Without siquiera, the sentence would sound less strong.

Because ni siquiera can carry negative force by itself when it appears before the verb or at the beginning of the sentence.

So this structure works:

Ni siquiera con descuento, los boletos del estreno son baratos hoy.

A very common alternative is to put the negation on the verb instead:

Los boletos del estreno no son baratos hoy, ni siquiera con descuento.

Both express the same basic idea, but the emphasis is placed differently.

The phrase Ni siquiera con descuento has been moved to the front for emphasis. The comma helps separate that introductory phrase from the main statement.

It is similar to saying:

Not even with a discount, ...

The comma is mainly there for clarity and rhythm.

Yes. Ni con descuento is shorter and common in everyday speech.

The difference is that ni siquiera is more explicit and emphatic. It clearly gives the sense of not even.

So:

• Ni con descuento = shorter, more compact
• Ni siquiera con descuento = stronger emphasis

It means with a discount or at a discounted price.

It does not tell you how big the discount is. It only says that even after applying some discount, the tickets still are not cheap.

Estreno usually means a premiere, opening, or first showing of a movie, play, show, or similar event.

Depending on context, it could refer to:

• a movie premiere
• a theater opening night
• the first public presentation of something

Del is the contraction of de + el.

So:

• de + el = del

Here, los boletos del estreno means something like the premiere tickets or the tickets for the premiere.

Spanish often uses de where English might use for or a noun-noun combination.

You could also hear:

los boletos para el estreno

That is also natural.

Because the subject is plural: los boletos.

In Spanish, the verb and the adjective must agree with the noun:

• el boleto es barato
• los boletos son baratos

So both ser and barato change to the plural form.

Spanish uses definite articles more often than English does.

Los boletos del estreno refers to a specific set of tickets already understood in context: the tickets for that premiere.

In English, you might sometimes say just premiere tickets, but in Spanish, los sounds natural and expected here.

This is a very good question, because both ser and estar can appear with barato, but the nuance changes.

A common guideline is:

• ser barato = cheap in a more general or characteristic sense
• estar barato = cheap right now, as a temporary condition

Because the sentence includes hoy, many speakers would find estar very natural:

Los boletos no están baratos hoy.

That can sound especially natural if you mean the price today is not low.

The given sentence with son baratos hoy is still understandable, but estar may sound more natural if the focus is on a temporary current price.

Not everywhere.

In much of Latin America, boleto is a very common word for ticket. But regional variation exists. For event tickets, many speakers also use entrada.

So depending on the country, you may hear:

• boletos
• entradas

Both can be correct, but boletos fits Latin American Spanish very well.

Yes. Spanish word order is flexible, especially when the speaker wants to emphasize one part of the sentence.

The original sentence puts emphasis on Ni siquiera con descuento.

Other possible orders include:

• Los boletos del estreno no son baratos hoy, ni siquiera con descuento.
• Hoy, los boletos del estreno no son baratos, ni siquiera con descuento.

The meaning stays close, but the focus shifts depending on what comes first.