Can illegals still travel within the states by flight.

My parents are undocumented they have unexpired passport from another country, can they still fly around in the states, recently they are thinking traveling to Hawaii for a few weeks, what are the risks? Thank you for your input.

should not be the problem however at this moment I would avoid all unnecessary trips until things gets settled. just don't give them a chance or take any risk if its not required.

NOPE, just flew accross the country, they checking everything now. one racist prick and its over.

many airports are infested with CBP, last airport i was there was so many CBP/DHS agents walking around, it was insane.

avoid flying at all costs.