HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Portland

$480+ 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 5/28. Fares are subject to change and may not be available on all flights or dates of travel.
SNN — PDX
feb. 26 — mar. 51
jue. 2/26
jue. 3/5
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Shannon to Portland with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

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 enero 27, 2026.

This United Airlines deal was found by Cheapflights users on 1/25. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 5/112:30 pm
SNN
-
PDX
1 stop16h 36m
United Airlines
mar. 5/57:00 am
PDX
-
SNN
2 stops19h 15m
United Airlines
Deal found 1/25$926
This American Airlines deal was found by Cheapflights users on 1/24. 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.
vie. 5/17:30 am
SNN
-
PDX
1 stop18h 10m
American Airlines
mar. 5/57:30 pm
PDX
-
SNN
1 stop12h 40m
American Airlines
Deal found 1/24$1,355

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 enero 27, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$926
(United Airlines)

One-way from

$480
(Kiwi.com)
Provider with most accurate pricing for Shannon-Portland flight deals.
Search Deals
Provider most trusted by Cheapflights users for Shannon-Portland flights.
Search Deals
From Shannon to Portland
Search Deals
One-way flight from Shannon to Portland
Search Deals

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 enero 27, 2026.
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

vie. 5/1

12:30 pm-9:06 pm

1 stop16h 36m

Portland

mar. 5/5

7:15 am-10:15 am

2 stops19h 00m

$926

ShannonPortland

SNN - PDX

SNNPDX

Shannon

vie. 5/1

7:30 am-5:40 pm

1 stop18h 10m

Portland

mar. 5/5

7:30 pm-4:10 pm

1 stop12h 40m

$1,355

ShannonPortland

SNN - PDX

SNNPDX

Shannon

jue. 5/28

12:10 pm-9:32 am

3 stops53h 22m

$480

ShannonPortland

SNN - PDX

SNNPDX

Shannon

mar. 5/26

12:45 pm-9:32 am

3 stops52h 47m

$510

ShannonPortland

SNN - PDX

SNNPDX

Shannon

dom. 5/3

9:15 pm-5:40 pm

1 stop28h 25m

$541

ShannonPortland

SNN - PDX

SNNPDX

Shannon

jue. 5/28

1:45 pm-10:25 pm

1 stop16h 40m

$661

ShannonPortland

SNN - PDX

SNNPDX

Shannon

mar. 5/26

7:30 am-5:40 pm

1 stop18h 10m

$684

ShannonPortland

SNN - PDX

SNNPDX

Shannon

dom. 5/3

7:30 am-10:32 pm

2 stops23h 02m

$684

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/26

  • Most accurate provider: When it comes to deals on Shannon, Clare-Portland flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Shannon, Clare-Portland flight deals on Cheapflights vs. FlightHub >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 FlightHub the most. FlightHub 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 $926, United Airlines can have you in Portland from Shannon, Clare in 16h 36m. 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
Vancouver
Seaside
Clackamas
Lincoln City
Longview
Lake Oswego
Beaverton
Hillsboro
Troutdale
Cannon Beach
Long Beach
McMinnville
Tigard
The Dalles
Depoe Bay
Stevenson
Wilsonville
Tillamook
Pacific City
Gresham

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Shannon to Portland

See prices for flight routes from nearby airports that may be better suited for you.
Dublin to Portland flights
Cork to Portland flights

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.