ATL to PWM, Hartsfield-Jackson Atlanta International Airport to Portland International Jetport Cheap Flights

Based on HopeGoo data, Frontier Airlines offers one-way fares as low as US$135 on Cheapest nonstop routes (e.g. ATL to PWM on Sat, Mar 21), while Delta Air Lines offers Cheapest nonstop round-trips from US$297 departing on Wed, Mar 25 and returning on Wed, Apr 1.

It takes about 2 hours 34 minutes to fly from Atlanta to Portland.

By analyzing data from all airlines on the HopeGoo flight calendar, it looks like the best time to book a flight from Atlanta 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 Atlanta 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 Sat, Mar 21, with one-way flights priced at just US$135. · Compare airlines strategically. Budget carriers often provide the lowest base fares, while we found the most affordable airline currently operating on this route is Delta Air Lines. · 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 July. · Get exclusive promo codes for HopeGoo app users.

The cheapest months to fly from Atlanta to Portland is August, when demand for travel is lower.

After crunching the numbers on our February flight calendar, it's currently cheapest to fly from Atlanta to Portland on February 12, 2026 with United Airlines, with prices starting at US$322.

The time difference between Portland and Atlanta is 0h.

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