Cheap flights from Portland to Rome from $290

The cheapest month to fly to Rome from Portland is in January. Flight prices, which tend to average around $530, are often lower during this time because this is during the off-season. If you aren’t able to travel to Rome during the month of January, then flying in February is also cheap. Prices for this month can be found on momondo for an average of $652.

You are more likely to see cheaper flights to Rome from Portland when booking weeks ahead of your departure date. In general, you can expect to find flights to Rome for around $816 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Rome from Portland for as low as $647 on momondo.

You could potentially save up to 23% on your flight if you consider stops on a Portland to Rome flight.

As of April 2026, prices for Portland to Rome flights are approximately 1% cheaper when compared to flights at the same time last year.

British Airways, Lufthansa, and Alaska Airlines are the most popular carriers operating from Portland to Rome

Delta, British Airways and KLM are the top three most popular airlines that fly to Rome from Portland according to our data. Delta is the first choice among our users, with 32% of people opting to fly with this airline when traveling to Rome. Keep in mind that there are 9 different airlines that fly to Rome on a routine basis, so you have a few additional options to choose from.

Frankfurt am Main (FRA) was the most common stop: 31% of momondo users choosing 1-stop flights on this route connected there.

Flights via Reykjavik (KEF) offer the lowest average round-trip price of $499.

Flights connecting via Calgary (YYC) have the shortest average one-way travel time: 13h 25m.

Denver (DEN) has the shortest average layover time for this route: 1h 25m.