Find cheap flights from Portland to Shannon from €456
This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Portland to Shannon departing on 8/9. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
Return
1 adult
Economy
0 bags
Fri 7/6
Fri 14/6
Search hundreds of travel sites at once for deals on flights to Shannon
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Portland to Shannon, as well as popular online travel agencies
...and more
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Portland to Shannon, as well as popular online travel agencies
In the last 7 days, travellers have searched 43,968,530 times on KAYAK, and here's why:
Filter your dealsChoose cabin class, free Wi-Fi and more.
Cheap flight deals from Portland to Shannon (PDX-SNN)
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Portland to Shannon that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices and deals for you by selecting your travel dates.
Flights from Portland to Shannon - Travel Insights & Trends
Get data-powered insights and trends into flights from Portland to Shannon to help you find the cheapest flights, the best time to fly and much more.
Which airlines provide the cheapest flights from Portland to Shannon?
The cheapest price for the route for each airline clicked by KAYAK users in the last 72 hours.
The cheapest return flight ticket from Portland to Shannon found by KAYAK users in the last 72 hours was for €532 on Delta, followed by United Airlines (€543). One-way flight deals have also been found from as low as €456 on Delta and from €808 on American Airlines.
Best time to beat the crowds (30% less expensive on average)
Most popular time to fly (6% more expensive on average)
Flight from Portland to Shannon
When to book flights from Portland to Shannon
Are your dates flexible? Find out the best times to travel from Portland to Shannon based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated return price
KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or returns with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.
FAQs for booking flights from Portland to Shannon
How can I get from Shannon Airport to downtown Shannon?
The public transport available from SNN airport to Shannon city center is the 343 bus, which takes around seven minutes to get you to town. The bus departs every 30 minutes and offers daily services. However, if you need a quick journey, you can take a taxi or a town car to arrive in the city in approximately five minutes.
What business or first-class amenities can I expect when flying from Portland to Shannon?
Most airlines have special amenities for their first-class passengers. If flying with British Airways, you enjoy comfortable and spacious seats, a cotton duvet, a pillow, and a quilted mattress on your 12-hour flight. If flying with Aer Lingus, you can enjoy lie-flat seats, magazines, and dental kits. However, your airline sends you an email after booking so you know what to expect during your flight.
Which airlines offer sustainable journeys from Portland to Shannon?
If you prefer a more eco-friendly journey when booking cheap flights from Portland to Shannon, choose Aer Lingus. These airlines use sustainable aviation fuel (SAF) and aim to achieve zero carbon emissions by 2050. You can also use British Airways, which creates a better sustainable future through Project Speedbird, to reduce carbon emissions.
Can I upgrade to first-class flights from Portland to Shannon?
Some airlines give you an allowance for upgrading your class of ticket when flying from Portland to Shannon. Mostly, your airline sends you an email after you book to offer the opportunity to upgrade, especially if first-class seats are available. This is a great opportunity because the journey from Portland to Shannon is longer, and comfortable first-class seats give you a smooth travel experience.
What is the cheapest flight from Portland to Shannon?
In the last 3 days, the lowest price for a flight from Portland to Shannon was €491 for a one-way ticket and €573 for a return.
Which aircraft models fly most regularly from Portland to Shannon?
We unfortunately don’t have that data for this specific route.
Which airline alliances offer flights from Portland to Shannon?
SkyTeam, oneworld, and Star Alliance are the airline alliances operating flights between Portland and Shannon, with SkyTeam being the most commonly used for this route.
How does KAYAK find such low prices on flights from Portland to Shannon?
KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Portland to Shannon.
How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Portland to Shannon?
KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Shannon from Portland is likely to change within 7 days, so travelers know whether to wait or book now.
What is the Hacker Fare option on flights from Portland to Shannon?
Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional return ticket. You could then fly to Shannon with an airline and back to Portland with another airline.
What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Portland to Shannon?
Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Shannon from Portland up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.
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Top tips for finding a cheap flight from Portland to Shannon
Shannon Airport (SNN) serves several nearby cities. Upon arrival, you can visit a few cities, such as Limerick to the southeast, Ennis to the north, Adare to the south, and Gort to the north. These cities have many attractions and new cultures to make your days lively.
Most airlines from Portland to Shannon, including British Airways, Aer Lingus, and United Airlines, have layovers in New York. Before booking, check the layover period to book an airline that arrives at your convenience.
Portland International Airport (PDX) is a hub for Alaska Airlines, while SNN airport is a hub for Aer Lingus. These airports serve several domestic and international cities, in North American and European countries.
One of the most convenient ways to travel from downtown Portland to PDX airport is taking the MAX Red Line tram to arrive in around 39 minutes. Also, you can board a Line 12 or MAX Line bus to get to the airport in approximately 1h 6min. If you need a quick journey, a taxi or rental car gets you to the airport in about 17 minutes.
United Airlines is your best choice if you need a special diet when flying with cheap flights from Portland to Shannon. All you need to do is select one of the available special meals and preorder your meal five days before your flight.
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Book cheap flights from Portland to Shannon
Recent one-way flight deals
Only flying one-way? Below are some of the best one-way flight deals from Portland to Shannon found on KAYAK in the last 72 hours.