Question : How many days should you spend in Portland?
Answer : The average time spent in Portland by travelers from Grand Forks is about one week.
Question : Which airline is giving the best deals for round-trip flights from Grand Forks International Airport (GFK) to Portland International Jetport (PWM)?
Answer : Delta Air Lines is your best bet for finding that coveted low fare. They're offering fares as low as $744, while prices for other flights are as high as $873.
Question : Is the price you found a good deal?
Answer : Flight prices are fluctuating a lot less for this route than the majority of routes in the United States, as they're ranging from $744 to $873. However, the sooner you book, the more you'll be able to save.