Expedia: Hotels, Flights & Car

Using this app with VO I was able to easily perform every step of the process to book a round-trip Domestic U.S. flight. I searched flights, selected my desired dates, times & airports, entered my traveller & payment information, and throughout the process encountered just the following two minor VO accessibility issues, both of which were easily dealt with.
1. In the payment screen, the first field is simply announced as "text field" without any further helpful information. This field is a single field for the credit card number.
2. After the flights have been selected and the traveller & payment information entered, a button announced as "zero percent" will appear at the bottom left of the screen. This button must be activated in order to finish submitting the purchase request, but it does not seem to respond to a standard double-tap. A workaround is to first place focus on the button, then one-finger swipe up repeatedly until VO announces "100 percent," then perform a one finger double-tap to activate the button.

Aside from those issues I was very happy with the level of accessibility in every part of the App I tried. Note that I did not attempt to search for or book a hotel, so I cannot speak to the accessibility of that feature.

Of the dozen or so air travel apps I've tried, this is easily the most VO-accessible of the bunch, in my opinion. Every date picker I encountered, every popup list, every set of radio buttons, and almost every text field and control worked as it should.