How to find the cheapest flight from
Portland (PWM) to Shannon (SNN)
What is the cheapest month to fly from Portland to Shannon?
Due to multiple factors, expect to potentially pay more when booking in July. For low rates, October can be a great choice for travel to Shannon. Flights to Shannon from Portland in October are about $965 on average during October, but can be found for as low as $665.
When is the cheapest time to fly from Portland to Shannon (PWM - SNN)?
Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Portland to Shannon as you normally would.
Related info for your journey
Useful info, stats and facts about Portland to Shannon flights.
Alternative routes for Portland to Shannon
Destination information for Shannon
Things to know before you go. Useful info for your trip from Portland to Shannon