Alright, some wording options...
We’re getting ready to depart
on a romantic trip, which is only the start.
BRIDE
and
GROOM
will be married on
DATE
LOCATION
Please join us for a reception
when we return
DATE at TIME
LOCATION
ADDRESS
CITY, STATE
This one would work nicely if you send it when you get back...
BRIDE
and
GROOM
are happy to announce
their marriage
on DAY
YEAR
CITY, STATE
Please join them
for a celebration
on DAY
YEAR
TIME
LOCATION
CITY, STATE
He slipped the ring on her finger
a promise made for life . . .
Join us as we share their joy
now that they're man and wife!
A party to honor the newly married
COUPLE
will be held on DAY
at TIME
ADDRESS