PHX to MLI, Phoenix Sky Harbor International Airport to Quad Cities International Airport Cheap Flights

Based on HopeGoo data, Frontier Airlines offers one-way fares as low as US$240 on Cheapest nonstop routes (e.g. PHX to MLI on Sat, Apr 25), while United Airlines offers Cheapest nonstop round-trips from US$262 departing on Sat, Apr 18 and returning on Tue, Apr 21.

It takes about 2 hours 53 minutes to fly from Phoenix to Moline.

By analyzing data from all airlines on the HopeGoo flight calendar, it looks like the best time to book a flight from Phoenix to Moline is around 40 days (6 weeks) in advance, and the best time to fly is usually on Tuesday, Wednesday, and Saturday. Tuesday typically offers the cheapest flights for departure, while Saturday offers the best return deals.

To find best deals on flights from Phoenix to Moline, you can use various tools on HopeGoo: · Be flexible with your travel dates to get the cheapest flight deal. Now the cheapest flight deal is on Sat, Apr 25, with one-way flights priced at just US$240. · Compare airlines strategically. Budget carriers often provide the lowest base fares, while we found the most affordable airline currently operating on this route is Frontier Airlines. · Set up price alerts to easily monitor ticket prices without having to check every day. · Check HopeGoo flight deals and promo codes frequently. · Avoid peak season unless you book very early. It seems the peak season for Moline travel is around January. · Get exclusive promo codes for HopeGoo app users.

The cheapest months to fly from Phoenix to Moline is October, when demand for travel is lower.

After crunching the numbers on our February flight calendar, it's currently cheapest to fly from Phoenix to Moline on February 28, 2026 with Delta Air Lines, with prices starting at US$454.

The time difference between Moline and Phoenix is 1h.

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