Is it permissible to travel to another Islamic country, fleeing from the tribulations (fitan) that have appeared in the country I live in, and does the hadith: "There is no Hijra (emigration) after the Conquest" apply to this situation?

It is legislated for a Muslim to emigrate from a Muslim country where sins and innovations (bid'ah) have become widespread, to a country where they are fewer or non-existent, seeking safety for his religion and assistance in good deeds and obedience.

Ibn Taymiyyah clarified that a person's emigration from a place of disbelief and sins to a place of faith and obedience is like his repentance, and this matter remains until the Day of Judgment.

Ashhab narrated from Malik: "No one should reside in a place where injustice is practiced." And if there is no option but a country with sin, one should choose the one with the least sin.

The Hadith (definition) "There is no hijrah (definition) (emigration) after the Conquest" does not mean a complete negation of emigration from any country. Rather, it negates the obligatory emigration from Mecca to Medina after Mecca became a land of Islam. As for emigration from other places where disbelief predominates or sins are manifest, it remains until the Day of Judgment.

Al-Tibi stated in his commentary on Al-Mishkat that leaving one's homeland due to a sincere intention for Allah Almighty, such as seeking knowledge, fleeing with one's religion from the land of disbelief, or from a place where enjoining good and forbidding evil are not upheld, or for visiting the House of Allah and other reasons, or due to striving in the way of Allah; all these remain throughout time.