The phrase "trip offer" is correct and usable in written English.
You would use it when referring to a promotional deal or advertisement for a trip. For example, "I found a great deal on a vacation to Hawaii in the latest trip offer from Expedia!".
These types of trip offer the chance for couples to get away together and explore their relationship - to find out whether seeing the world brings them closer, or leads them to book the next flight home, alone.
I learned the kindness of strangers who would hold a door for me, hold an elevator so I could make the trip, offer to help when I struggled to juggle an arm full of stuff and propel the walker at the same time.
A common misconception about Taglit-Birthright is that there is just one trip offered departing on different dates, when in fact there are over a dozen tour organizers offering various trips that cater to all kinds of interests and people.
For Ms. Fichtel, the trip offered her a new perspective.
Next trips 17 October, 12 March 2012 This new trip offers unforgettable walking in one of the world's last wildernesses.
Another, Planning Your Trip, offers both general and specialty lists of American tour operators.
The rabbinical students' trip offers a kind of microcosmic answer to that question.
The next day, I join a trip offered by one such company, the Wildside Eco Group.
The President's trip offered an instructive illustration of the relationship between the pseudo-event and the event.
An overseas trip offers an excuse to talk about his vision for America's role in the world.
The trip offers Mr. Bush political benefits in his re-election race against Senator John Kerry, Democrat of Massachusetts.
