Travel themed weddings are so popular these days, it's not hard to put together elements to enrich your own DIY travel wedding details. Here are some ideas of what other people have done.
Using maps, and vintage suitcases and boxes, old envelopes, telegraphs in your wedding decor
I love the vintage items used in decorating this travel themed dessert table by Sweet and Saucy Shop
Package like mini boxed favours
Origami airplanes and boarding passes as invites or seating cards
Passport wedding programs
Paper airplanes for seating cards and vintage maps
A hot air balloon themed dessert table! love, love, love!