PDX - SNN

€439 Find Cheap Flights from Portland to Shannon

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 28/8. 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.
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KAYAK searches 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
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
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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 return 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.

Recent return flight deals from Portland to Shannon

KAYAK's recommended return flight deals from the most popular airlines that fly from Portland to Shannon.
Discover the best prices for you by selecting your travel dates on KAYAK.
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07:00 - 11:10PDX-SNN
20h 10m1 stop
13:05 - 23:27SNN-PDX
18h 22m1 stop
€552
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Mon, 11 Aug - Fri, 22 Aug
05:00 - 07:30PDX-SNN
18h 30m2 stops
09:30 - 20:49SNN-PDX
19h 19m2 stops
€555United Airlines
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Mon, 11 Aug - Fri, 22 Aug
15:24 - 16:10PDX-SNN
16h 46m2 stops
07:40 - 21:21SNN-PDX
21h 41m2 stops
€708American Airlines
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Wed, 7 May - Wed, 21 May
10:10 - 20:35PDX-SNN
26h 25m2 stops
07:40 - 18:45SNN-PDX
19h 05m3 stops
€734Air Canada
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Wed, 7 May - Wed, 21 May
06:15 - 11:20PDX-SNN
21h 05m3 stops
07:40 - 18:45SNN-PDX
19h 05m3 stops
€799Air Canada
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Wed, 7 May - Wed, 21 May
14:58 - 15:50PDX-SNN
16h 52m2 stops
07:40 - 23:02SNN-PDX
23h 22m2 stops
€803American Airlines
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Fri, 25 Apr - Thu, 1 May
19:25 - 20:35PDX-SNN
17h 10m1 stop
07:40 - 20:43SNN-PDX
21h 03m2 stops
€828British Airways
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Wed, 7 May - Wed, 21 May
19:25 - 11:20PDX-SNN
31h 55m1 stop
21:15 - 17:35SNN-PDX
28h 20m1 stop
€930Aer Lingus
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Fri, 25 Apr - Thu, 1 May
19:25 - 16:10PDX-SNN
12h 45m1 stop
07:45 - 16:35SNN-PDX
16h 50m1 stop
€937British Airways
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Sun, 24 Aug - Wed, 24 Dec
19:25 - 20:35PDX-SNN
17h 10m1 stop
21:15 - 17:35SNN-PDX
28h 20m1 stop
€1,069Aer Lingus
Find Deal
Thu, 24 Apr - Fri, 2 May

KAYAK's insights & trends for Portland to Shannon flights

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 round-trip price for the route for each airline clicked by KAYAK users in the last 72 hours.
In the past 3 days, the cheapest return tickets from Portland to Shannon were found on United Airlines (€555) and American Airlines (€708).

Good to know

Low season

November

High season

August

Cheapest flight

€439
Best time to beat the crowds (43% less expensive on average)
Most popular time to fly and prices are also 11% lower 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 €473 for a one-way ticket and €595 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?

    Star Alliance, oneworld, and SkyTeam are the airline alliances operating flights between Portland and Shannon, with oneworld 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.

See more FAQs

KAYAK’s 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.
See more tips

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

Information on your arrival and departure airports

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