Is it free for Expedia passengers to switch flights?
There can be fees. There can be fees. No Change Fees: Expedia carriers does not charge a change fee on a large number of our fares, in contrast to certain other carriers. This offers travelers financial flexibility and peace of mind because they can modify their flights without paying more.
How long ahead can an Expedia flight be modified?
Sure, as long as the departure is at least two days away, you can cancel your Expedia ticket within 24 hours