Cheap flights from Portland to Iceland from $384

The cheapest month to fly to Iceland from Portland is in March. Flight prices, which tend to average around $615, are often lower during this time because this is during the off-season. If you aren’t able to travel during the month of March, then book flights to Iceland from Portland during November instead. Flights to Iceland in November, while not as cheap as those in March, still average around $644.

The cheapest day to depart from Portland to Iceland is on a Monday when prices can be found for as low as $595. Flights from Portland to Iceland on a Sunday will generally be more expensive and average around $751. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

According to our data, the cheapest time of day to fly to Iceland is at noon. momondo users have found flights departing from Portland to Iceland at noon for as low as $555. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Try not to purchase tickets in the evening because they tend to be around $855. Of course, these prices can vary depending on the time of year and what airport you fly to.

Fly from Portland to Reykjavik Keflavik Intl for the best Portland - Iceland flight prices

You are more likely to see cheaper flights to Iceland from Portland when booking weeks ahead of your departure date. In general, you can expect to find flights to Iceland for around $760 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Iceland from Portland for as low as $426 on momondo.

There are 3 cabin classes available to choose from on Portland to Iceland flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

As of March 2026, there are 1 flights per day flying from Portland to Iceland. The most common time of day flights depart is 3:00PM, with 100% of flights taking off in the afternoon.

8 flights are operational weekly from Portland to Iceland as of March 2026. The most popular departure day for this route is Mon, with 25% of flights per week taking off on this day.