SEA - SNN

€542 Find Cheap Flights from Seattle 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 Seattle to Shannon departing on 13/6. 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 Seattle 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 Seattle to Shannon, as well as popular online travel agencies
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Cheap Flight Deals from Seattle to Shannon (SEA-SNN)

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for return flights from Seattle 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 Seattle to Shannon

KAYAK's recommended return flight deals from the most popular airlines that fly from Seattle to Shannon.
Discover the best prices for you by selecting your travel dates on KAYAK.
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19:34 - 07:30SEA-SNN
27h 56m2 stops
09:30 - 15:32SNN-SEA
14h 02m1 stop
€589United Airlines
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Tue, 2 Sep - Tue, 23 Sep
23:55 - 07:30SEA-SNN
23h 35m2 stops
09:30 - 18:09SNN-SEA
16h 39m2 stops
€593United Airlines
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Tue, 2 Sep - Tue, 23 Sep
07:00 - 07:30SEA-SNN
16h 30m1 stop
12:30 - 21:56SNN-SEA
17h 26m1 stop
€634United Airlines
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Tue, 2 Sep - Tue, 23 Sep
13:35 - 15:50SEA-SNN
18h 15m2 stops
07:40 - 21:59SNN-SEA
22h 19m2 stops
€655American Airlines
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Fri, 18 Apr - Thu, 24 Apr
14:20 - 16:10SEA-SNN
17h 50m2 stops
07:40 - 21:50SNN-SEA
22h 10m2 stops
€710American Airlines
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Wed, 7 May - Fri, 16 May
22:58 - 11:10SEA-SNN
28h 12m1 stop
13:05 - 22:53SNN-SEA
17h 48m1 stop
€721Delta
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Mon, 30 Jun - Mon, 14 Jul
20:20 - 20:35SEA-SNN
16h 15m1 stop
21:15 - 11:10SNN-SEA
21h 55m1 stop
€767British Airways
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Mon, 12 May - Mon, 26 May
11:31 - 11:10SEA-SNN
15h 39m1 stop
13:05 - 23:55SNN-SEA
18h 50m2 stops
€777
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Mon, 30 Jun - Mon, 14 Jul
13:30 - 15:50SEA-SNN
18h 20m1 stop
07:40 - 19:03SNN-SEA
19h 23m2 stops
€828British Airways
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Fri, 18 Apr - Thu, 24 Apr
13:30 - 11:20SEA-SNN
13h 50m1 stop
21:15 - 11:35SNN-SEA
22h 20m1 stop
€976
Find Deal
Fri, 25 Apr - Wed, 30 Apr

KAYAK's insights & trends for Seattle to Shannon flights

Get data-powered insights and trends into flights from Seattle to Shannon to help you find the cheapest flights, the best time to fly and much more.

What is the cheapest month to fly from Seattle to Shannon?

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for round-trip flights from Seattle to Shannon, removes the top 0.1% to account for outliers, and then takes the median of all values for each month.
The cheapest month for flights from Seattle to Shannon is January, where tickets cost €652 (return) on average. On the other hand, the most expensive months are June and December, where the average cost of round-trip tickets is €1,206 and €1,050 respectively.

Good to know

Low season

November

High season

September

Cheapest flight

€542
Best time to beat the crowds (13% less expensive on average)
Most popular time to fly and prices are also 16% lower on average.
Flight from Seattle to Shannon

When to book flights from Seattle to Shannon

Are your dates flexible? Find out the best times to travel from Seattle 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 Seattle to Shannon

  • What is the cheapest flight from Seattle to Shannon?

    In the last 3 days, the lowest price for a flight from Seattle to Shannon was €585 for a one-way ticket and €635 for a return.

  • Which airports will I be using when flying from Seattle to Shannon?

    Seattle and Shannon are both served by 1 main airport. You will leave Seattle from Seattle/Tacoma Intl and will be arriving at Shannon.

  • Which aircraft models fly most regularly from Seattle to Shannon?

    We unfortunately don’t have that data for this specific route.

  • Which airline alliances offer flights from Seattle to Shannon?

    Star Alliance, oneworld, and SkyTeam are the airline alliances operating flights between Seattle and Shannon, with oneworld being the most commonly used for this route.

  • How does KAYAK find such low prices on flights from Seattle 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 Seattle to Shannon.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Seattle to Shannon?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Shannon from Seattle 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 Seattle 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 Seattle with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Seattle 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 Seattle up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

See more FAQs

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

Information on your arrival and departure airports

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