Cheap flights from Denver to Phoenix
Cheap return flights from Denver to Phoenix
Find the best deals
All prices shown are per person based on return flights only. Prices found in the last 48 hours.
Phoenix flight facts
What you need to know
What are the cheapest airlines?
- Frontier Airlines
- Southwest Airlines
- Spirit Airlines
These airlines usually offer the cheapest flights from Denver to Phoenix.
What airlines fly indirectly?
- American Airlines
- Delta Air Lines
- United Airlines
These airlines fly from Denver to Phoenix, but you’ll have at least one layover.
How long is the flight?
1 hour 45 minutes
This is the shortest flight time from Denver to Phoenix.
Alternative flights from the UK to Phoenix
Check out prices for other routes
Alternative flights from Denver
You might find cheaper flights nearby
Today alone, Netflights has searched over five flights. 05 / Feb / 2026 is currently the lowest priced day of the year to fly the Denver/Phoenix route. There are around 35 flights on any given week from the UK to Phoenix and the cheapest month to fly right now is February. Not suitable? Try running another search or viewing all cheap flight deals.
How to get cheap flights from Denver to Phoenix
Tips and advice from our flight experts
You've searched for flights from Denver to Phoenix. We've found 25 flights and compared them to give you the best offers. Southwest Airlines is, on average, the cheapest for this route. Look out for them! The cheapest offer we've found is a one-way ticket for the route from Denver to Phoenix on 18/07/2026 at 12:40 for £44.
We've scanned hundreds of airfares from dozens of airlines across the globe. In total, we've found 10 airlines that operate the 970 km flight from Denver to Phoenix.
To find the best offers, consider booking 2-3 months in advance or looking for last-minute deals. Southwest Airlines is a popular choice for this route, with an average flight duration of 1 hour 45 minutes. After selecting an offer, fill out your information and proceed to payment. Don't forget to check our flight + hotel service to book everything at once, saving you time and money.
Other popular destinations near Phoenix
Where other people are flying to
