Best Flights starting from $981
from$981economy
Portland (PDX)
Wed, Dec 9
Roundtrip
Shannon (SNN)
Wed, Jan 6
from$1,048economy
Portland (PDX)
Fri, Dec 11
Roundtrip
Shannon (SNN)
Fri, Jan 8
from$1,055economy
Portland (PDX)
Sat, Dec 12
Roundtrip
Shannon (SNN)
Sat, Jan 9
from$1,133economy
Portland (PDX)
Sun, Dec 6
Roundtrip
Shannon (SNN)
Sun, Jan 3
from$1,133economy
Portland (PDX)
Mon, Dec 7
Roundtrip
Shannon (SNN)
Mon, Jan 4
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Other Destinations
Portland (PDX) to Los Angeles (LAX) in December from $113
From $113
Portland (PDX) to Chicago (ORD) in December from $134
From $134
Portland (PDX) to Jacksonville (JAX) in December from $151
From $151
Portland (PDX) to San Diego (Any) in December from $185
From $185
Portland (PDX) to Honolulu (HNL) in December from $209
From $209
Portland (PDX) to Miami (MIA) in December from $227
From $227
Flights from Other Cities
Boston (BOS) to Shannon (SNN) in March from $417
From $417
Newark (EWR) to Shannon (SNN) in April from $346
From $346
Boston (BOS) to Shannon (SNN) in April from $409
From $409
Boston (BOS) to Shannon (SNN) in May from $404
From $404
Pittsburgh (PIT) to Shannon (SNN) in May from $897
From $897
New York (JFK) to Shannon (SNN) in June from $668
From $668