From the DC area anytime I can get a flight less than $500 RT it is usually a go.
June is a long way off and the chances... Emphasize "chances" are they you may be able to beat that ticket by 50 or 60 bucks.

The question: Is it worth it to chance or just move a head with one phase of the trip planning behind you.
If you do buy them - don't look back - it is what it - Tickets Done

“Every time I open a bottle of wine, it is an amazing trip somewhere!” José Andrés