SEA - SNN

€370 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 24/6. 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.
1 adult

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
Travellers love KAYAK
41,299,237 searches in the past 7 days on KAYAK

Track pricesNot ready to book? Create a price alert for when prices drop.

Free to useThere are no hidden charges or fees.

Filter your dealsChoose cabin class, free Wi-Fi and more.

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.
Choose your dates
United Airlines Logo
07:05 - 07:30SEA-SNN
16h 25m2 stops
United Airlines Logo
12:30 - 21:56SNN-SEA
17h 26m1 stop
€560United Airlines
Find Deal
Wed, 17 Sep - Wed, 24 Sep
United Airlines Logo
08:52 - 07:30SEA-SNN
14h 38m2 stops
United Airlines Logo
12:30 - 22:42SNN-SEA
18h 12m2 stops
€564United Airlines
Find Deal
Wed, 17 Sep - Wed, 24 Sep
United Airlines Logo
07:00 - 10:15SEA-SNN
19h 15m2 stops
United Airlines Logo
12:30 - 14:00SNN-SEA
33h 30m3 stops
€622United Airlines
Find Deal
Wed, 7 May - Fri, 16 May
 Logo
11:16 - 11:10SEA-SNN
15h 54m1 stop
 Logo
13:05 - 23:53SNN-SEA
18h 48m2 stops
€707
Find Deal
Mon, 2 Jun - Mon, 9 Jun
 Logo
08:10 - 15:10SEA-SNN
23h 00m3 stops
 Logo
11:20 - 00:10SNN-SEA
44h 50m3 stops
€708
Find Deal
Sun, 1 Jun - Sun, 8 Jun
Delta Logo
22:58 - 11:10SEA-SNN
28h 12m1 stop
Delta Logo
13:05 - 22:53SNN-SEA
17h 48m1 stop
€754Delta
Find Deal
Sat, 28 Jun - Wed, 16 Jul
Air Canada Logo
12:10 - 11:20SEA-SNN
39h 10m2 stops
Air Canada Logo
21:15 - 18:36SNN-SEA
29h 21m2 stops
€791Air Canada
Find Deal
Sat, 27 Sep - Sun, 5 Oct
Air Canada Logo
11:30 - 15:50SEA-SNN
20h 20m2 stops
Air Canada Logo
07:40 - 10:45SNN-SEA
35h 05m2 stops
€797Air Canada
Find Deal
Fri, 16 May - Fri, 23 May
British Airways Logo
18:45 - 16:05SEA-SNN
37h 20m2 stops
British Airways Logo
21:15 - 11:35SNN-SEA
22h 20m1 stop
€844British Airways
Find Deal
Fri, 16 May - Fri, 23 May
British Airways Logo
20:20 - 11:20SEA-SNN
31h 00m1 stop
British Airways Logo
21:15 - 11:35SNN-SEA
22h 20m1 stop
€979British Airways
Find Deal
Fri, 16 May - Fri, 23 May

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.

Which airlines provide the cheapest flights from Seattle 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 Seattle to Shannon were found on United Airlines (€560) and Delta (€754).

Good to know

High season

September

Cheapest flight

€370
Most popular time to fly and prices are also 11% 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 €421 for a one-way ticket and €636 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

Not what you’re looking for? Find thousands of other hotels, flights, car hires and package deals with KAYAK.