Read flexibility first.
A cheaper fare is only useful when the terms still work for the trip you are actually taking.

TRAVEL DEALS
BEFORE YOU BOOK
A cheaper fare is only useful when the terms still work for the trip you are actually taking.
Bags, transfers, breakfast and booking changes are part of the decision, not afterthoughts.
The best deal can still be the wrong stay when it puts you far from the parts of a city you came to see.