SNN - PDX

€871 Find Cheap Flights from Shannon to Portland – Compare and Save

1 adult
1 adult, Economy, 0 bags

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Cheap Flights from Shannon to Portland (SNN-PDX)

 
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent return flight deals from Shannon to Portland

Fri, 18 Dec - Fri, 22 Jan
Multiple Airlines Logo
20:05 - 21:52SNN  Shannon-PDX Portland
33h 47m2 stops London Heathrow Dallas/Fort Worth
Multiple Airlines Logo
16:03 - 15:45PDX  Portland-SNN Shannon
15h 42m2 stops Seattle/Tacoma Intl London Heathrow
€871Multiple Airlines
Mon, 5 Oct - Mon, 12 Oct
Multiple Airlines Logo
21:15 - 21:11SNN  Shannon-PDX Portland
31h 56m2 stops London Heathrow Dallas/Fort Worth
Multiple Airlines Logo
19:30 - 20:35PDX  Portland-SNN Shannon
17h 05m1 stop London Heathrow
€877Multiple Airlines
Fri, 18 Dec - Fri, 22 Jan
Multiple Airlines Logo
20:05 - 21:52SNN  Shannon-PDX Portland
33h 47m2 stops London Heathrow Dallas/Fort Worth
Multiple Airlines Logo
17:45 - 15:45PDX  Portland-SNN Shannon
14h 00m1 stop London Heathrow
€877Multiple Airlines
Mon, 5 Oct - Mon, 12 Oct
Multiple Airlines Logo
21:15 - 20:33SNN  Shannon-PDX Portland
31h 18m2 stops London Heathrow Los Angeles Los Angeles
Multiple Airlines Logo
07:03 - 16:10PDX  Portland-SNN Shannon
25h 07m2 stops Los Angeles Los Angeles London Heathrow
€880Multiple Airlines
Sun, 4 Oct - Thu, 15 Oct
United Airlines Logo
12:30 - 09:50SNN  Shannon-PDX Portland
29h 20m1 stop Newark
United Airlines Logo
10:58 - 10:15PDX  Portland-SNN Shannon
15h 17m1 stop Newark
€888United Airlines
Thu, 8 Oct - Mon, 12 Oct
United Airlines Logo
12:30 - 21:27SNN  Shannon-PDX Portland
16h 57m1 stop Newark
United Airlines Logo
23:59 - 10:15PDX  Portland-SNN Shannon
26h 16m2 stops Houston George Bush Intcntl Newark
€888United Airlines
Thu, 8 Oct - Tue, 13 Oct
United Airlines Logo
12:30 - 21:27SNN  Shannon-PDX Portland
16h 57m1 stop Newark
United Airlines Logo
10:58 - 10:15PDX  Portland-SNN Shannon
15h 17m1 stop Newark
€888United Airlines
Thu, 8 Oct - Wed, 14 Oct
United Airlines Logo
12:30 - 21:27SNN  Shannon-PDX Portland
16h 57m1 stop Newark
United Airlines Logo
10:58 - 10:15PDX  Portland-SNN Shannon
15h 17m1 stop Newark
€888United Airlines
Fri, 2 Oct - Wed, 14 Oct
United Airlines Logo
12:30 - 21:27SNN  Shannon-PDX Portland
16h 57m1 stop Newark
United Airlines Logo
10:58 - 10:15PDX  Portland-SNN Shannon
15h 17m1 stop Newark
€888United Airlines
Thu, 8 Oct - Thu, 15 Oct
United Airlines Logo
12:30 - 22:53SNN  Shannon-PDX Portland
18h 23m2 stops Newark Denver Intl
United Airlines Logo
10:43 - 10:15PDX  Portland-SNN Shannon
15h 32m2 stops Denver Intl Newark
€888United Airlines
Booking Insights

Price, demand, and travel trends for Shannon to Portland flights

Use KAYAK data on prices, travel dates, airlines, and seasonal trends to compare options and book flights from Shannon to Portland with more confidence.

What is the cheapest airline to fly from Shannon to Portland?

United Airlines (€888) and British Airways (€909) are the cheapest airlines to fly return from Shannon to Portland according to KAYAK data over the last 5 days.

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Key details for Shannon to Portland flights

Cheapest flight

€871
Flights from Shannon to Portland

When to book flights from Shannon to Portland

Are your dates flexible? Find out the best times to travel from Shannon to Portland based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated return price

Your Shannon to Portland flight questions, answered

Find helpful route details based on KAYAK data, including flight times, airports, airlines, and booking questions.

  • Which airports can I use when flying from Shannon to Portland?

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

  • Which airports do connecting flights from Shannon to Portland pass through?

    Connecting flights from Shannon to Portland most commonly pass through:

    • London Heathrow (LHR) – 50% of one-stop connections
    • Chicago O'Hare Intl (ORD) – 50% of one-stop connections
    Together, these airports account for 100% of one-stop bookings on this route.

  • Can I save money by using flexible dates for flights from Shannon to Portland?

    Yes. Being flexible with your travel dates can save you up to 40% on the Shannon to Portland route. Friday is the cheapest departure day at €730 return on average, while Sunday is the most expensive at €1,210, a difference of €480. KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

  • What popular places can I visit in Portland?

    DoubleTree by Hilton Hotel Portland is one of the most viewed places in Portland on KAYAK.

  • How long is a flight from Shannon to Portland?

    A direct flight from Shannon to Portland takes 0h 00m, covering 11,901 km.

  • Do I need a passport to fly from Shannon to Portland?

    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.

  • Have flight prices from Shannon to Portland changed much recently?

    Yes. Based on fares seen in the past 5 days, return prices on this route varied from about €871 to €1,532. That means the highest observed fare was about 75% higher than the lowest one.

  • How much time can I save by choosing a different stopover airport from Shannon to Portland?

    Flying via Chicago O'Hare Intl (ORD) gives the shortest average 1-stop total travel time of 13h 29m, compared to 15h 32m via London Heathrow (LHR).

  • What is the time difference between Shannon and Portland?

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

  • Which car hire options are available at Portland Airport (PDX)?

    Portland Airport (PDX) hosts 5 major car hire companies, with daily rates starting from around €20 for economy cars. Top options include:
    · Thrifty
    · Dollar
    · Hertz
    · Sixt
    · Payless

Your guide to booking Shannon to Portland flights

Get tips on when to book, when to fly, and what to know before your trip.

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