So you’re going on vacation . What’s the first step? Booking your hotel and flight of course. Kayak is a great website for doing just that. Their iPhone and iPad app is no less impressive. It’s our favorite way to find the best travel deals while on the go.

Kayak is just one of our favorite travel apps for iPhone and iPad. We’ve collected all of our favorites here. And if you’d like to see more of our top app selections in different categories, just head on over to our Best Apps Series.

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Here are a couple of our other picks of the best travel apps for iPhone and iPad:

Flight+ Track your flight right with your iPhone

Now that you've got your flight booked, track it with Flight+. This handsome app is a great utility to travel with, as you will probably be checking your device most often while en route. It looks fantastic and will quickly tell you of any delays, hazardous weather, and show you ...

Hopper – The best airfare price prediction app for iPhone

Hopper is an excellent way to track airfare on the iPhone and iPad. The app is like many other travel apps where you import your departure and arrival airports as well as your departure and return dates. However the app really shines when it predicts when it's the best time ...