€830 Find Cheap Flights from Portland to Shannon – Compare and Save

A direct flight from Portland to Shannon takes 00m, covering 11,901 km.

Yes, a valid passport is required for this international route. Many destinations require at least six months of validity beyond your travel dates. Check your passport expiry well before booking.

Return flights from Portland to Shannon range from €611 to €982, with an average of €770 over the past 12 months. Anything below €611 counts as a good deal.

Yes. Based on fares seen in the past 5 days, return prices on this route varied from about €830 to €1,555. That means the highest observed fare was about 87% higher than the lowest one.

Shannon Airport (SNN) hosts 5 major car hire companies, with daily rates starting from around €3 for economy cars. Top options include:

• Budget
• Sixt
• Europcar
• Easirent
• Thrifty

Flights from Portland to Shannon usually depart from Portland (PDX) and arrive at Shannon (SNN).

One-stop flights from Portland to Shannon most commonly connect through:

• Chicago O'Hare Intl (ORD) – 40% of one-stop connections
• New York John F Kennedy Intl (JFK) – 21% of one-stop connections
• London Heathrow (LHR) – 21% of one-stop connections
• Newark (EWR) – 15% of one-stop connections

Yes. Flexible dates can save you up to 38% on flights from Portland to Shannon. Saturday is the cheapest departure day at €612 return on average, while Thursday is the most expensive at €985, a difference of €373.

Cheaper weekend fares like these are typical of routes dominated by weekday business travel.

Flying via Chicago O'Hare Intl (ORD) gives the shortest average 1-stop total travel time of 14h 02m, compared to 15h 16m via Boston Logan Intl (BOS) and 15h 20m via London Heathrow (LHR).

Shannon is 8 hours ahead of Portland (Irish Time vs Pacific Time). Plan for the time shift when scheduling connections or first-day activities.

The public transport available from SNN airport to Shannon city center is the 343 bus, which takes around seven minutes to get you to town. The bus departs every 30 minutes and offers daily services. However, if you need a quick journey, you can take a taxi or a town car to arrive in the city in approximately five minutes.

Most airlines have special amenities for their first-class passengers. If flying with British Airways, you enjoy comfortable and spacious seats, a cotton duvet, a pillow, and a quilted mattress on your 12-hour flight. If flying with Aer Lingus, you can enjoy lie-flat seats, magazines, and dental kits. However, your airline sends you an email after booking so you know what to expect during your flight.

If you prefer a more eco-friendly journey when booking cheap flights from Portland to Shannon, choose Aer Lingus. These airlines use sustainable aviation fuel (SAF) and aim to achieve zero carbon emissions by 2050. You can also use British Airways, which creates a better sustainable future through Project Speedbird, to reduce carbon emissions.

Some airlines give you an allowance for upgrading your class of ticket when flying from Portland to Shannon. Mostly, your airline sends you an email after you book to offer the opportunity to upgrade, especially if first-class seats are available. This is a great opportunity because the journey from Portland to Shannon is longer, and comfortable first-class seats give you a smooth travel experience.