$1,012+ 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 10/2. Fares are subject to change and may not be available on all flights or dates of travel.
SNN — PDX
Oct 17 — Oct 241
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
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Cheapest flights from Shannon to PortlandExplore 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 September 17, 2026.
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 September 17, 2026.
This lol.travel deal was found by Cheapflights users on 9/16. 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 lol.travel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/27:30 am -
2 stops20h 05m
Tue 10/61:12 pm -
2 stops18h 58m
Deal found 9/16![British Airways logo]()
$1,012
This United Airlines deal was found by Cheapflights users on 9/15. 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.
Thu 10/112:30 pm -
1 stop16h 57m
Mon 10/510:58 am -
1 stop15h 17m
Deal found 9/15![United Airlines logo]()
$1,024
This United Airlines deal was found by Cheapflights users on 9/16. 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.
Fri 10/212:30 pm -
1 stop16h 57m
Tue 10/67:02 am -
2 stops19h 13m
Deal found 9/16![United Airlines logo]()
$1,025
This United Airlines deal was found by Cheapflights users on 9/13. 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.
Wed 9/3012:30 pm -
1 stop16h 57m
Sun 10/48:30 am -
2 stops17h 45m
Deal found 9/13![United Airlines logo]()
$1,030
This United Airlines deal was found by Cheapflights users on 9/14. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/512:30 pm -
1 stop16h 57m
Mon 10/1210:58 am -
1 stop15h 17m
Deal found 9/14![United Airlines logo]()
$1,041
This American Airlines deal was found by Cheapflights users on 9/13. 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.
Wed 9/307:30 am -
2 stops24h 37m
Sun 10/46:00 am -
2 stops15h 25m
Deal found 9/13![American Airlines logo]()
$1,095
This Air Canada deal was found by Cheapflights users on 9/13. 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.
Wed 9/307:30 am -
3 stops19h 41m
Sun 10/47:45 pm -
2 stops40h 50m
Deal found 9/13![Multiple Airlines logo]()
$1,203
This Air Canada deal was found by Cheapflights users on 9/14. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/57:30 am -
3 stops19h 41m
Mon 10/123:30 pm -
2 stops21h 05m
Deal found 9/14![Air Canada logo]()
$1,206
This Air Canada deal was found by Cheapflights users on 9/15. 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.
Thu 10/17:30 am -
3 stops19h 41m
Mon 10/53:30 pm -
2 stops21h 05m
Deal found 9/15![Multiple Airlines logo]()
$1,235
This Mytrip deal was found by Cheapflights users on 9/16. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/29:15 pm -
3 stops44h 16m
Tue 10/67:45 pm -
2 stops55h 35m
Deal found 9/16![Multiple Airlines logo]()
$1,436
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 September 17, 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 September 17, 2026.
This United Airlines deal was found by Cheapflights users on 9/15. 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.
Thu 10/112:30 pm -
1 stop16h 57m
Mon 10/510:58 am -
1 stop15h 17m
Deal found 9/15![United Airlines logo]()
$1,024
This oojo deal was found by Cheapflights users on 9/14. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/59:15 pm -
2 stops30h 14m
Mon 10/122:30 pm -
2 stops17h 40m
Deal found 9/14![Multiple Airlines logo]()
$1,024
This British Airways deal was found by Cheapflights users on 9/16. 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 1/128:05 pm -
1 stop27h 45m
Sat 1/161:33 pm -
2 stops37h 57m
Deal found 9/16![British Airways logo]()
$1,049
This United Airlines deal was found by Cheapflights users on 9/16. 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.
Fri 10/212:30 pm -
1 stop16h 57m
Tue 10/67:02 am -
2 stops19h 13m
Deal found 9/16![United Airlines logo]()
$1,025
This United Airlines deal was found by Cheapflights users on 9/13. 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.
Wed 9/3012:30 pm -
2 stops17h 53m
Sun 10/45:30 am -
3 stops20h 45m
Deal found 9/13![United Airlines logo]()
$1,030
This United Airlines deal was found by Cheapflights users on 9/14. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/512:30 pm -
1 stop16h 57m
Mon 10/1210:58 am -
1 stop15h 17m
Deal found 9/14![United Airlines logo]()
$1,041
Last-minute flights from Shannon to PortlandDiscover last-minute flight deals from Shannon to Portland. Data last updated September 17, 2026 and is based on user searches.
Discover last-minute flight deals from Shannon to Portland. Data last updated September 17, 2026 and is based on user searches.
This United Airlines deal was found by Cheapflights users on 9/13. 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.
Wed 9/3012:30 pm -
1 stop16h 57m
Sun 10/48:30 am -
2 stops17h 45m
Deal found 9/13![United Airlines logo]()
$1,030
This American Airlines deal was found by Cheapflights users on 9/13. 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.
Wed 9/307:30 am -
2 stops24h 37m
Sun 10/46:00 am -
2 stops15h 25m
Deal found 9/13![American Airlines logo]()
$1,095
This Air Canada deal was found by Cheapflights users on 9/13. 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.
Wed 9/307:30 am -
3 stops19h 41m
Sun 10/47:45 pm -
2 stops40h 50m
Deal found 9/13![Multiple Airlines logo]()
$1,203
This United Airlines deal was found by Cheapflights users on 9/15. 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.
Thu 10/112:30 pm -
1 stop16h 57m
Mon 10/510:58 am -
1 stop15h 17m
Deal found 9/15![United Airlines logo]()
$1,024
This Air Canada deal was found by Cheapflights users on 9/15. 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.
Thu 10/17:30 am -
3 stops19h 41m
Mon 10/53:30 pm -
2 stops21h 05m
Deal found 9/15![Multiple Airlines logo]()
$1,235
This lol.travel deal was found by Cheapflights users on 9/16. 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 lol.travel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/27:30 am -
2 stops20h 05m
Tue 10/61:12 pm -
2 stops18h 58m
Deal found 9/16![British Airways logo]()
$1,012
This United Airlines deal was found by Cheapflights users on 9/16. 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.
Fri 10/212:30 pm -
1 stop16h 57m
Tue 10/67:02 am -
2 stops19h 13m
Deal found 9/16![United Airlines logo]()
$1,025
This Mytrip deal was found by Cheapflights users on 9/16. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/29:15 pm -
3 stops44h 16m
Tue 10/67:45 pm -
2 stops55h 35m
Deal found 9/16![Multiple Airlines logo]()
$1,436
This United Airlines deal was found by Cheapflights users on 9/14. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/512:30 pm -
1 stop16h 57m
Mon 10/1210:58 am -
1 stop15h 17m
Deal found 9/14![United Airlines logo]()
$1,041
This Air Canada deal was found by Cheapflights users on 9/14. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/57:30 am -
3 stops19h 41m
Mon 10/123:30 pm -
2 stops21h 05m
Deal found 9/14![Air Canada logo]()
$1,206
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 September 17, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $1,012 (lol.travel) |
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 September 17, 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
Quickest round-trip
ShannonPortland
SNN Shannon - PDX Portland
SNNPDX
Shannon
Thu 10/1
12:30 pm-9:27 pm
1 stop16h 57m
Portland
Mon 10/5
10:58 am-10:15 am
1 stop15h 17m
$1,024
ShannonPortland
SNN Shannon - PDX Portland
SNNPDX
Shannon
Mon 10/5
9:15 pm-7:29 pm
2 stops30h 14m
Portland
Mon 10/12
2:30 pm-4:10 pm
2 stops17h 40m
$1,024
ShannonPortland
SNN Shannon - PDX Portland
SNNPDX
Shannon
Fri 10/2
12:30 pm-9:27 pm
1 stop16h 57m
Portland
Tue 10/6
7:02 am-10:15 am
2 stops19h 13m
$1,025
ShannonPortland
SNN Shannon - PDX Portland
SNNPDX
Shannon
Wed 9/30
12:30 pm-10:23 pm
2 stops17h 53m
Portland
Sun 10/4
5:30 am-10:15 am
3 stops20h 45m
$1,030
ShannonPortland
SNN Shannon - PDX Portland
SNNPDX
Shannon
Mon 10/5
12:30 pm-9:27 pm
1 stop16h 57m
Portland
Mon 10/12
10:58 am-10:15 am
1 stop15h 17m
$1,041
ShannonPortland
SNN Shannon - PDX Portland
SNNPDX
Shannon
Tue 1/12
8:05 pm-3:50 pm
1 stop27h 45m
Portland
Sat 1/16
1:33 pm-11:30 am
2 stops37h 57m
$1,049
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 September.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 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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Cannon Beach
Vancouver
Kelso
Troutdale
Clackamas
McMinnville
The Dalles
Wilsonville
Stevenson
Tillamook
Hillsboro
Astoria
Gresham
Silverton
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