Käsimatkatavarassa pidän nousukortin ja passin valmiina.

Käsimatkatavarassa means in the carry-on luggage / in hand luggage.

It is a compound word:

• käsi = hand
• matka = trip, travel
• tavara = thing, सामान / goods / luggage

So käsimatkatavara is literally something like hand-travel-luggage, i.e. carry-on luggage.

Then it gets the ending -ssa, which means in:

• käsimatkatavara = carry-on luggage
• käsimatkatavarassa = in the carry-on luggage

Finnish uses compound words very freely, so long words like this are very common.

The ending -ssa is the inessive case, which usually means in or inside something.

So here:

• käsimatkatavarassa = in the carry-on luggage

This is not a separate word like English in. Finnish often expresses location with case endings instead of prepositions.

Some useful comparisons:

• talossa = in the house
• laukussa = in the bag
• käsimatkatavarassa = in the carry-on luggage

So the sentence is talking about where the boarding pass and passport are kept.

Yes, pitää can mean to like, but it has several meanings.

Here pidän means I keep.

So:

• pidän passin laukussa = I keep the passport in the bag
• pidän kahvista = I like coffee

These are actually different patterns:

1. pitää + object
   = to keep / hold

   • pidän passin valmiina

2. pitää + -sta/-stä
   = to like

   • pidän kahvista
   • pidän Suomesta

So you can tell the meaning from the structure.

Also, pidän is the 1st person singular present tense:

• minä pidän = I keep / I like

They are the objects of the verb pidän.

In this sentence, they are total objects: the speaker means the whole boarding pass and the whole passport, not just some unspecified amount or part of them.

So:

• nousukortti → nousukortin
• passi → passin

In Finnish, a singular total object often looks like the genitive form in this kind of sentence.

So:

• Pidän passin valmiina. = I keep the passport ready.
• Otan passin esiin. = I take out the passport.

This is very common in Finnish object marking.

Nousukortti is the Finnish word for boarding pass.

It is another compound:

• nousu = ascent, getting on, boarding
• kortti = card

So it literally means something like boarding card.

The form nousukortin is the object form used in this sentence.

You may also hear airport language that feels slightly different from English. Finnish often uses its own compound words rather than translating word-for-word from English.

Valmiina means ready here, but grammatically it is in the essive case.

The basic adjective is:

• valmis = ready

Essive form:

• valmiina = as ready / in a ready state

With pitää, this structure often means to keep something in some state:

• pidän oven auki = I keep the door open
• pidän puhelimen äänettömällä = I keep the phone on silent
• pidän passin valmiina = I keep the passport ready

So valmiina tells us the state in which the speaker keeps the boarding pass and passport.

Good question. These two forms are related, but they are not the same.

• valmiina = in a ready state
• valmiiksi = into a ready state / ready beforehand

In this sentence, the meaning is that the speaker keeps the documents ready. That is a state, so valmiina fits.

• Pidän passin valmiina. = I keep the passport ready.

If you used valmiiksi, the focus would shift more toward making or preparing something so that it becomes ready.

Very roughly:

• valmiina = already ready, kept ready
• valmiiksi = made ready

So valmiina is the natural choice here.

Because Finnish has no articles. There is no direct equivalent of English a or the.

So:

• nousukortin can mean the boarding pass or a boarding pass
• passin can mean the passport or a passport

The exact meaning comes from context.

In this sentence, English naturally uses the because the speaker is talking about specific travel documents that are already known in the situation:

• the boarding pass
• the passport

That definiteness is understood from context, not from a separate word.

Finnish word order is flexible, and the first element often gives the topic or the thing being emphasized first.

So:

• Käsimatkatavarassa pidän nousukortin ja passin valmiina.

starts with where the documents are kept.

It feels a bit like:

• In my carry-on luggage, I keep the boarding pass and passport ready.

A more neutral English-style order would also be possible in Finnish, for example:

• Pidän nousukortin ja passin valmiina käsimatkatavarassa.

But putting käsimatkatavarassa first is very natural if the speaker wants to highlight the location.

Finnish often leaves possession unstated when it is obvious from context.

So käsimatkatavarassa here is naturally understood as in my carry-on luggage, because the speaker is talking about their own passport and boarding pass.

If you want to make it explicit, you could say:

• käsimatkatavarassani = in my carry-on luggage

That adds the possessive ending -ni:

• käsimatkatavarassa = in the carry-on luggage
• käsimatkatavarassani = in my carry-on luggage

In many real situations, though, Finnish does not need to state my if it is already clear.

Yes. That is a very close literal translation.

Word by word, it is roughly:

• Käsimatkatavarassa = in the carry-on luggage
• pidän = I keep
• nousukortin = the boarding pass
• ja = and
• passin = the passport
• valmiina = ready

So the sentence structure is very close to:

• In the carry-on luggage I keep the boarding pass and passport ready.

A more natural English translation might be:

• I keep my boarding pass and passport ready in my carry-on bag.

But grammatically, the Finnish sentence is quite transparent once you know the cases and the verb pattern.