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$484+ Cheap flights from Shannon (SNN) to Portland (PDX)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 5/2. Fares are subject to change and may not be available on all flights or dates of travel.
SNN — PDX
Jan 11 — Jan 181
Sun 1/11
Sun 1/18
1 adult, Economy
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Cheap flight deals from Shannon to Portland

Cheapest flights from Shannon to Portland
Explore the most affordable flight options available from Shannon to Portland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 12, 2025.

This American Airlines deal was found by Cheapflights users on 12/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/272:45 pmSNN - PDX
2 stops31h 27mAmerican Airlines
Wed 12/3111:53 amPDX - SNN
2 stops20h 52mAmerican Airlines
Deal found 12/10$1,376
This Air Canada deal was found by Cheapflights users on 12/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/277:50 amSNN - PDX
3 stops22h 50mAir Canada
Wed 12/319:50 amPDX - SNN
3 stops22h 55mAir Canada
Deal found 12/10$1,918
This Air Canada deal was found by Cheapflights users on 12/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/277:50 amSNN - PDX
3 stops22h 50mMultiple Airlines
Wed 12/319:50 amPDX - SNN
2 stops25h 35mMultiple Airlines
Deal found 12/10$1,958

Find flight deals from Shannon to Portland

Discover tips and strategies to find the most affordable flight options for your journey from Shannon (SNN) to Portland (PDX). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated December 12, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$987
(American Airlines)

One-way from

$484
(Kiwi.com)
Provider with most accurate pricing for Shannon-Portland flight deals.
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Provider most trusted by Cheapflights users for Shannon-Portland flights.
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From Shannon to Portland
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One-way flight from Shannon to Portland
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Cheapflights Fare Finder

 
Customize your flight search to find flights from Shannon to Portland that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated December 12, 2025.
Use the filters below to find and compare flights from Shannon to Portland that are best for you.

Fly from

Shannon

Fly to

Portland

Route

Depart

Return

Price

ShannonPortland

SNN - PDX

SNNPDX

Shannon

Thu 1/15

7:50 am-8:22 pm

2 stops20h 32m

Portland

Mon 1/19

5:45 pm-4:45 pm

1 stop15h 00m

$987

ShannonPortland

SNN - PDX

SNNPDX

Shannon

Thu 1/15

8:05 pm-3:55 pm

1 stop27h 50m

Portland

Mon 1/19

5:45 pm-4:45 pm

1 stop15h 00m

$1,024

ShannonPortland

SNN - PDX

SNNPDX

Shannon

Sat 12/27

2:45 pm-2:12 pm

2 stops31h 27m

Portland

Wed 12/31

11:53 am-4:45 pm

2 stops20h 52m

$1,376

ShannonPortland

SNN - PDX

SNNPDX

Shannon

Sat 12/27

7:50 am-10:40 pm

3 stops22h 50m

Portland

Wed 12/31

9:50 am-4:45 pm

3 stops22h 55m

$1,918

ShannonPortland

SNN - PDX

SNNPDX

Shannon

Sat 5/2

8:45 pm-9:49 am

3 stops45h 04m

$484

ShannonPortland

SNN - PDX

SNNPDX

Shannon

Sun 5/3

4:55 pm-5:40 pm

1 stop32h 45m

$521

ShannonPortland

SNN - PDX

SNNPDX

Shannon

Sun 5/3

9:30 pm-11:20 pm

3 stops57h 50m

$522

ShannonPortland

SNN - PDX

SNNPDX

Shannon

Sat 5/2

5:30 pm-5:40 pm

1 stop32h 10m

$577

ShannonPortland

SNN - PDX

SNNPDX

Shannon

Sun 5/3

7:40 am-10:45 pm

2 stops23h 05m

$676

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/10

Compare providers for flights from Shannon to Portland

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Shannon to Portland in December.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Shannon, Clare-Portland flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Shannon, Clare-Portland flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Shannon, Clare-Portland flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Shannon, Clare-Portland flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Shannon, Clare-Portland flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Shannon to Portland

Have a flexible travel schedule? Discover the best time to fly to Portland from Shannon with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Related info for your journey

Find useful and relevant information for your journey from Shannon to Portland. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Shannon, Clare to Portland?

    For as low as $987, American Airlines can have you in Portland from Shannon, Clare in 20h 32m. There are 4595 mi between Shannon, Clare and Portland.

  • Can I find deals for flights from Shannon to Portland that include hotel bookings?

    Yes. In addition to deals on Shannon to Portland flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Shannon to Portland?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Shannon to Portland.

  • Can I find deals for business class flights from Shannon to Portland?

    Yes. Cheapflights offers flight deals from Shannon to Portland by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

Traveling to a place near Portland?

Book flights to Portland if you plan to visit one of these locations
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Hillsboro
Troutdale
Cannon Beach
Long Beach
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Gresham

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