Q&A for How to Find Latias in Pokémon Emerald

The only way to obtain Latias after choosing Latios is by trading. You will need to find a friend who possesses Latias and is willing to trade it with you.

When you are searching for Latios or Latias, entering and exiting a building resets their current location within the game. This allows you to re-check an area if they weren't present, increasing your chances of an encounter.

If you participate in the Eon Ticket event, you can obtain Latias at Southern Island as a static encounter, which avoids random encounters. Otherwise, Latias will be a roaming Pokémon that you must find through random encounters, unless you use cheating methods.

You can obtain the legendary Pokémon you didn't initially choose by using an Eon Ticket to access Southern Island. However, Eon Tickets were a limited distribution event, making them extremely rare today. The most practical way to acquire both Latias and Latios now is to trade with another player.