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$1,911+ 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 9/30. Fares are subject to change and may not be available on all flights or dates of travel.
SNN — PDX
Apr 20 — Apr 271
Sun 4/20
Sun 4/27
1 adult, Economy
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Cheap 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 April 15, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars
Provider with most accurate pricing for Shannon-Portland flight deals.
Search Deals
Provider most trusted by Cheapflights users for Shannon-Portland flights.
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Find flight deals from Shannon to Portland

One-way flights from Shannon to Portland
Search for one-way flight options from Shannon to Portland. Find affordable one-way fares based on user searches. Data last updated April 15, 2025.

This Cheapflightsfares deal was found by Cheapflights users on 4/14. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/307:40 amSNN - PDX
1 stop17h 55mBritish Airways
Deal found 4/14$1,911
This Kiwi.com deal was found by Cheapflights users on 4/14. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/14:55 pmSNN - PDX
3 stops50h 39mMultiple Airlines
Deal found 4/14$1,985

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 April 15, 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

Tue 9/30

7:40 am-5:35 pm

1 stop17h 55m

$1,911

ShannonPortland

SNN - PDX

SNNPDX

Shannon

Wed 10/1

4:55 pm-11:34 am

3 stops50h 39m

$1,985

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/14

  • 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.

Cheapflights Insights

Everything you need to know about your flight from Shannon to Portland

Rainfall in Portland by month

Plan your trip to Portland by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Portland ranges from 0.7 - 5.6 inches per month. November is typically the wettest month, when rainfall can reach 5.6 in. July is typically the driest time to visit Portland when rainfall is around 0.7 in.

Temperature in Portland by month

Plan your trip to Portland by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Portland, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 69.8 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 41.0 F).

Reviews of airlines servicing Portland

Get insights into the airlines that provide service to Portland. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Portland. Reviews last updated April 15, 2025.
British Airways
6.6
Okay
6,760 reviews

Crew

7.6

Boarding

6.8

Food

6.3

Entertainment

6.4

Comfort

6.7

Overall

6.6

Reviews

1 / 20
2.0
Mediocre

jon,Feb 2025

SAN - PHL

We were denied boarding because we bought the tickets with mbv y wife's married na m.j e, but her passport is still in her maiden name - and they ( including British Airlines) couldn't or wouldn't simply change the name on the ticket - costing us $1400
British Airways
6.6
Okay
6,760 reviews
British Airways
6.6
Okay
6,760 reviews

Crew

7.6

Boarding

6.8

Food

6.3

Entertainment

6.4

Comfort

6.7

Overall

6.6

Reviews

1 / 20
2.0
Mediocre

jon,Feb 2025

SAN - PHL

We were denied boarding because we bought the tickets with mbv y wife's married na m.j e, but her passport is still in her maiden name - and they ( including British Airlines) couldn't or wouldn't simply change the name on the ticket - costing us $1400

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.

  • 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.

  • What is the cheapest month to book a flight from Shannon, Clare to Portland?

    Currently, November is the cheapest month in which you can book a flight from Shannon, Clare to Portland (average of $277). Flying from Shannon, Clare to Portland in March is currently the most expensive (average of $369). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Shannon?

Book flights to Shannon if you plan to visit one of these locations
Beaverton
Lincoln City
Seaside
Clackamas
Vancouver
McMinnville
Lake Oswego
Hillsboro
Gresham
Astoria
Long Beach
Cannon Beach
Tigard
Hood River
Woodburn
Depoe Bay
Pacific City
Stevenson
Troutdale
Longview

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