SNN - PDX

$1,012 Find Cheap Flights from Shannon to Portland - Compare and Save

1 adult
1 adult, Economy, 0 bags

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Everything you should know

Cheapest round-trip
$1,012
Typical prices: $848-$1,406
Multiple Airlines
Tue 12/18Mon 1/22
SNN - PDX • 2 stops
Nonstop flights
Not available
There are currently no direct flights between Shannon and Portland. You'll need to take a connecting flight to reach the destination.
Insights
Insights
Top layover airports
London Heathrow (LHR)
Cheapest • Avg $848 (round-trip)
Chicago O'Hare Intl (ORD)
Shortest trip • 13h 29m (one-way)
Insights
Insights
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Flight Deals

Cheap Flights from Shannon to Portland (SNN-PDX)

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

Recent round-trip flight deals from Shannon to Portland

Fri, Dec 18 - Fri, Jan 22
Multiple Airlines Logo
8:05 pm - 9:52 pmSNN  Shannon-PDX Portland
33h 47m2 stops London Heathrow Dallas/Fort Worth
Multiple Airlines Logo
4:03 pm - 3:45 pmPDX  Portland-SNN Shannon
15h 42m2 stops Seattle/Tacoma Intl London Heathrow
$1,012Multiple Airlines
Mon, Oct 5 - Mon, Oct 12
Multiple Airlines Logo
9:15 pm - 9:11 pmSNN  Shannon-PDX Portland
31h 56m2 stops London Heathrow Dallas/Fort Worth
Multiple Airlines Logo
7:30 pm - 8:35 pmPDX  Portland-SNN Shannon
17h 05m1 stop London Heathrow
$1,019Multiple Airlines
Mon, Oct 5 - Mon, Oct 12
Multiple Airlines Logo
9:15 pm - 8:33 pmSNN  Shannon-PDX Portland
31h 18m2 stops London Heathrow Los Angeles
Multiple Airlines Logo
7:03 am - 4:10 pmPDX  Portland-SNN Shannon
25h 07m2 stops Los Angeles London Heathrow
$1,023Multiple Airlines
Fri, Oct 2 - Tue, Oct 13
United Airlines Logo
12:30 pm - 9:27 pmSNN  Shannon-PDX Portland
16h 57m1 stop Newark
United Airlines Logo
5:30 am - 10:15 amPDX  Portland-SNN Shannon
20h 45m2 stops San Francisco Newark
$1,032United Airlines
Mon, Oct 5 - Mon, Oct 12
United Airlines Logo
12:30 pm - 9:27 pmSNN  Shannon-PDX Portland
16h 57m1 stop Newark
United Airlines Logo
10:58 am - 10:15 amPDX  Portland-SNN Shannon
15h 17m1 stop Newark
$1,041United Airlines
Mon, Oct 5 - Mon, Oct 12
United Airlines Logo
12:30 pm - 9:27 pmSNN  Shannon-PDX Portland
16h 57m1 stop Newark
United Airlines Logo
6:50 am - 10:15 amPDX  Portland-SNN Shannon
19h 25m2 stops Houston George Bush Intcntl Newark
$1,045United Airlines
Tue, Jan 12 - Sat, Jan 16
British Airways Logo
7:50 am - 8:50 pmSNN  Shannon-PDX Portland
21h 00m2 stops London Heathrow San Francisco
British Airways Logo
1:33 pm - 4:45 pmPDX  Portland-SNN Shannon
43h 12m2 stops Chicago O'Hare Intl London Heathrow
$1,057British Airways
Sun, Oct 4 - Sun, Oct 11
United Airlines Logo
12:30 pm - 9:50 amSNN  Shannon-PDX Portland
29h 20m1 stop Newark
United Airlines Logo
10:33 pm - 10:15 amPDX  Portland-SNN Shannon
27h 42m1 stop Newark
$1,067United Airlines
Sat, Oct 3 - Fri, Oct 9
British Airways Logo
4:50 pm - 11:17 pmSNN  Shannon-PDX Portland
38h 27m2 stops London Heathrow Philadelphia
British Airways Logo
9:30 pm - 4:05 pmPDX  Portland-SNN Shannon
34h 35m2 stops Los Angeles London Heathrow
$1,071British Airways
Mon, Oct 5 - Mon, Oct 12
Multiple Airlines Logo
9:15 pm - 8:33 pmSNN  Shannon-PDX Portland
31h 18m2 stops London Heathrow Los Angeles
Multiple Airlines Logo
7:03 am - 4:10 pmPDX  Portland-SNN Shannon
25h 07m2 stops Los Angeles London Heathrow
$1,082Multiple 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 ($1,032) and British Airways ($1,057) are the cheapest airlines to fly round-trip from Shannon to Portland according to KAYAK data over the last 5 days.

Find deals

Key details for Shannon to Portland flights

Cheapest flight

$1,012
Flight 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 round-trip 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).

  • What cabin classes can I book on flights from Shannon to Portland?

    Only Economy Class is available on flights from Shannon to Portland.

  • 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 $848 round-trip on average, while Sunday is the most expensive at $1,406, a difference of $558. 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?

    Some of the most popular sights in Portland are Moda Center, Oregon Convention Center and OHSU Center for Health and Healing. These are among the most viewed places in Portland on KAYAK.

  • How long is a flight from Shannon to Portland?

    A nonstop flight from Shannon to Portland takes 0h 00m, covering 4,595 miles.

  • 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, round-trip prices on this route varied from about $1,012 to $1,781. That means the highest observed fare was about 75% higher than the lowest one.

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

    Flying via Chicago O'Hare Intl (ORD) gives the shortest average 1-stop total travel time at 13h 29m, compared with 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.

  • What car rental options are available at Portland Airport (PDX)?

    Portland Airport (PDX) hosts 5 major car rental companies, with daily rates starting from around $24 for economy cars. Top options include:
    · Thrifty
    · Dollar
    · Hertz
    · Sixt
    · Payless

Your guide to booking Shannon to Portland flights

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