How early can a baby travel?

🐘🐘🐘 • 👧🏼 born 1/19/16. 👼🏼 lost 9/15/17. 👼🏼 lost 11/26/17.
Baby is almost 8 weeks old. I want to take her to my home town to meet the rest of her family, it's about a 2 hour flight. How long should I wait? Any advice on flying with an infant is welcome!