Find flights
When to book
Airlines
FAQs
English
Popular in | June |
---|---|
Cheapest in | March |
Average price | £616 |
Entertainment
Overall
Food
Boarding
Comfort
Crew
Reviews
Anonymous,Sept 2025
FRA - SFO
Entertainment
Overall
Food
Boarding
Comfort
Crew
Reviews
Anonymous,Sept 2025
FRA - SFO
When you search for this flight from Ireland to Portland, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.
Millions of users choose and trust Cheapflights to book the best flight deals from Ireland to Portland for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.
Need flexible booking options for your flight to Portland from Ireland? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.
Not ready to book yet? You can track prices for flights from Ireland to Portland on Cheapflights with our Price Alert feature and get notified when better prices are available.