have a safe journey BrE
have a safe trip
bon voyage

I wanted to wish you a safe trip- and success in your investigation.

Remember what I've told you and have a safe trip.

He wished me a safe trip and shook both of my hands hard.

Here are some useful tips for a safe trip abroad.

For a safe trip you just shouldn't do that.

We've got some tips to make it a safe and happy trip.

What's going on with these people who tell you to "have a safe trip'?

He had called last night at eleven o'clock to wish her a safe trip.

All that's left to do is wish everyone a safe trip - and look ahead to next year.

He was taking family members and wanted a safe, hassle-free trip.