Currently, November is the cheapest month in which you can book a flight from Grand Island to Portland (average of $277). Flying from Grand Island to Portland in March is currently the most expensive (average of $369). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
Airline | Cheapest | Average | Flexibility | On-time |
---|---|---|---|---|
Cheapest$404 | Average$535 | FlexibilityNo cancel fee | On-time71% |