While purchasing the first ticket, you can mark the Return button, or after purchasing one-way, you can re-enter the system and purchase the return tickets by examining the reverse route sign with the reverse route sign.
When you search for flights between Denver and Phoenix, all active companies and flight times on the date you entered are listed. You can find the cheapest flight tickets by sorting this list by price.
The most frequently used airline companies from Denver to Phoenix are generally
American Airlines,
Copa Airlines,
Lufthansa,
Alaska Airlines,
Japan Airlines,
Air Canada,
Frontier Airlines,
United Airlines
are companies.
Between Denver - Phoenix
Arapahoe Co,
Buckley Angb,
Denver Intl,
Williams Gateway Arpt,
Deer Valley,
Luke Afb,
Sky Harbor Intl,
Scottsdale Mncpl
airports are used.