Ask them how they're getting here.
Are they traveling from outside or within the country? Those from local provinces may choose to travel by car, though the stress and time spent on the road might make that a less viable option. Suggest flying in on budget flights. Make sure to remind them that these flights need to be booked in advance--the earlier they book, the cheaper it is. The same goes for those flying in from other countries. Pay for the people who are part of your entourage, as well as those who you want present at your wedding.
Consider their accommodations.
Out of town guests will have to take care of accommodations, so be helpful and suggest hotels that are near your wedding venue. If you are paying for their flights, you might wish to arrange for their rooms as well. This doesn't have to be in the hotel where your reception is going to be held if that will be too expensive--a nearby hotel will do. If they are arriving a few days before your wedding (as in the case of vacationing balikbayans), you might want to schedule in some time to visit them and check that they're settled in comfortably.
Give your guests a timetable.
For those who are arriving just for your wedding, advise them how early or how late they can arrive. If your wedding is in the evening, they can come on the same day; if it's in the morning they will have to arrive the night before. Make sure to give them the extra time for the possibility of flight delays and heavy traffic.
Take note of ETAs and ETDs.
Have someone on your wedding team monitor the estimated times of arrival (ETA) of guests, especially the ones who are needed for the entourage. This person must also make sure that guests are picked up from the airport, pier, or designated meeting places and brought to their accommodations for the wedding's duration. Make sure that guests know who to contact in case of changes in their time of arrival, as well as problems with their estimated times of departure (ETD).
Give your guests transportation.
This doesn't mean lending them their own cars--just make sure that they will not have to worry about getting to and from your wedding. Having cars and drivers available for shuttling between locations will give your guests the chance to party, without having to worry about the drive back to their hotels.
Give them a point person.
Have members of your wedding team function as point persons for your guests from out of town. They should coordinate with guests to make sure they are comfortable and enjoying themselves, and make sure the guests get to the wedding on time. Point persons take care of every little need of the guests under their care, and will ultimately be the ones to welcome them to and bid them farewell from the wedding: make sure they are as accommodating and as kind to guests as possible.
The success of a wedding is also about how much your guests enjoy celebrating the day with you. Those who come from out of town will understandably be a little more tired than the ones who don't need to travel far. By taking extra care of them, you will make them feel that they're an important part of your wedding, and that in the end, their presence is a gift in itself.
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