$595+ Cheap flights from Shannon (SNN) to Portland (PDX)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 12/21. Fares are subject to change and may not be available on all flights or dates of travel.
SNN — PDX
Nov 30 — Dec 71
Round-trip
1 adult, Economy
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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
Best
One-way
Best flights from Shannon to PortlandDiscover carefully curated flight deals from Shannon to Portland that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 31, 2026.
Discover carefully curated flight deals from Shannon to Portland that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 31, 2026.
This British Airways deal was found by Cheapflights users on 10/29. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 1/127:50 am -
2 stops21h 00m
Sat 1/161:09 pm -
2 stops43h 36m
Deal found 10/29![British Airways logo]()
$905
One-way flights from Shannon to PortlandSearch for one-way flight options from Shannon to Portland. Find affordable one-way fares based on user searches. Data last updated October 31, 2026.
Search for one-way flight options from Shannon to Portland. Find affordable one-way fares based on user searches. Data last updated October 31, 2026.
This Kiwi.com deal was found by Cheapflights users on 10/27. 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.
Mon 12/216:00 pm -
3 stops55h 00m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/27![Multiple Airlines logo]()
$595
This Kiwi.com deal was found by Cheapflights users on 10/27. 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.
Tue 12/2210:35 am -
3 stops38h 25m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/27![Multiple Airlines logo]()
$601
This Kiwi.com deal was found by Cheapflights users on 10/27. 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 12/1610:15 am -
3 stops55h 18m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/27![Multiple Airlines logo]()
$630
This Kiwi.com deal was found by Cheapflights users on 10/27. 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.
Sun 12/208:15 pm -
3 stops52h 25m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/27![Multiple Airlines logo]()
$656
This Kiwi.com deal was found by Cheapflights users on 10/27. 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.
Sat 12/197:10 pm -
3 stops53h 30m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/27![Multiple Airlines logo]()
$681
This Kiwi.com deal was found by Cheapflights users on 10/27. 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.
Thu 12/176:00 am -
3 stops41h 33m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/27![Multiple Airlines logo]()
$688
This British Airways deal was found by Cheapflights users on 10/27. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/228:05 pm -
1 stop27h 45m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/27![British Airways logo]()
$816
This Kiwi.com deal was found by Cheapflights users on 10/27. 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.
Fri 12/182:00 pm -
2 stops36h 10m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/27![Multiple Airlines logo]()
$820
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 October 31, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $905 (British Airways) |
One-way from | $595 (Kiwi.com) |
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 7,457,451 searches. Data last updated October 31, 2026.
Use the filters below to find and compare flights from Shannon to Portland that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
ShannonPortland
SNN Shannon - PDX Portland
SNNPDX
Shannon
Mon 12/21
6:00 pm-5:00 pm
3 stops55h 00m
Portland
Wed 12/31
12:00 am-9:00 am
Nonstop0h 00m
$595
ShannonPortland
SNN Shannon - PDX Portland
SNNPDX
Shannon
Wed 12/16
2:00 pm-4:50 pm
2 stops34h 50m
Portland
Wed 12/31
12:00 am-9:00 am
Nonstop0h 00m
$713
ShannonPortland
SNN Shannon - PDX Portland
SNNPDX
Shannon
Tue 12/22
8:05 pm-3:50 pm
1 stop27h 45m
Portland
Wed 12/31
12:00 am-9:00 am
Nonstop0h 00m
$816
ShannonPortland
SNN Shannon - PDX Portland
SNNPDX
Shannon
Sun 12/20
8:05 pm-12:09 am
2 stops36h 04m
Portland
Wed 12/31
12:00 am-9:00 am
Nonstop0h 00m
$821
Quickest round-trip
ShannonPortland
SNN Shannon - PDX Portland
SNNPDX
Shannon
Mon 12/21
7:50 am-12:09 am
2 stops24h 19m
Portland
Wed 12/31
12:00 am-9:00 am
Nonstop0h 00m
$821
ShannonPortland
SNN Shannon - PDX Portland
SNNPDX
Shannon
Sat 12/19
2:00 pm-8:27 pm
1 stop38h 27m
Portland
Wed 12/31
12:00 am-9:00 am
Nonstop0h 00m
$841
ShannonPortland
SNN Shannon - PDX Portland
SNNPDX
Shannon
Tue 1/12
7:50 am-8:50 pm
2 stops21h 00m
Portland
Sat 1/16
1:09 pm-4:45 pm
2 stops43h 36m
$905
Sorted by cheapest first
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 October.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*3 stars |
- 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.
SNN-PDX
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.
Traveling to a place near Portland?
Book flights to Portland if you plan to visit one of these locationsBeaverton
Seaside
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Lincoln City
Vancouver
Kelso
Troutdale
Clackamas
McMinnville
The Dalles
Wilsonville
Stevenson
Hillsboro
Tillamook
Astoria
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