Dreaming of going abroad is considered a good omen as per dream interpretation and meaning. The dream is associated with desire fulfillment related to travel. Dreams of going abroad also means you get opportunity to visit a distant exotic place.
If you dream of going abroad and you are unhappy means trouble for someone dear to you in foreign country. It also means you will face problems during travel.
The dream also means transfer or better opportunity in a distant place. It also means you will be forced to stay away from family in near future.
Please note that a dream to have meaning it should happen without any influence of day activity. Dreaming after discussing or reading or watching about going abroad during daytime does not have any meaning. Such dreams are mere extension of your day activity.