Jamestown Regional Airport to Portland International Airport / Flights from US$398 incl. tax

Based on HopeGoo data, United Airlines offers one-way fares as low as US$315 on Cheapest nonstop routes (e.g. JMS to PDX on Sun, Mar 22), while United Airlines offers Cheapest nonstop round-trips from US$385 departing on Thu, Apr 9 and returning on Thu, Apr 16.

By analyzing data from all airlines on the HopeGoo flight calendar, it looks like the best time to book a flight from Jamestown to Portland 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 Jamestown to Portland, 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 Sun, Mar 22, with one-way flights priced at just US$315. · Compare airlines strategically. Budget carriers often provide the lowest base fares, while we found the most affordable airline currently operating on this route is United 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 Portland travel is around August. · Get exclusive promo codes for HopeGoo app users.

The cheapest months to fly from Jamestown to Portland is October, when demand for travel is lower.

After crunching the numbers on our March flight calendar, it's currently cheapest to fly from Jamestown to Portland on March 11, 2026 with United Airlines, with prices starting at US$510.

The time difference between Portland and Jamestown is 2h.

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