Pittsburgh to GreatFalls Flights from US$275 incl. tax

Based on HopeGoo data, Hawaiian Airlines offers one-way fares as low as US$258 on Cheapest nonstop routes (e.g. PIT to GTF on Thu, Mar 19), while United Airlines offers Cheapest nonstop round-trips from US$325 departing on Sat, Mar 14 and returning on Wed, Mar 18.

By analyzing data from all airlines on the HopeGoo flight calendar, it looks like the best time to book a flight from Pittsburgh to Great Falls 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 Pittsburgh to Great Falls, 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 Thu, Mar 19, with one-way flights priced at just US$258. · Compare airlines strategically. Budget carriers often provide the lowest base fares, while we found the most affordable airline currently operating on this route is Hawaiian 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 Great Falls travel is around November. · Get exclusive promo codes for HopeGoo app users.

The cheapest months to fly from Pittsburgh to Great Falls is December, when demand for travel is lower.

After crunching the numbers on our March flight calendar, it's currently cheapest to fly from Pittsburgh to Great Falls on March 14, 2026 with United Airlines, with prices starting at US$325.

The time difference between Great Falls and Pittsburgh is 2h.

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