Cheap Flights from Shannon to Seattle

Compare Shannon to Seattle flight deals

Find the cheapest month or even day of the year to fly to Seattle

Book the best Seattle fare with no extra fees

Flight deals from Shannon to Seattle

Looking for a cheap last-minute deal or the best return flight from Shannon to Seattle? Find the lowest prices on one-way and return tickets right here.

Seattle.676 € per passenger.Departing Thu, 15 May, returning Mon, 19 May.Return flight with Ryanair and Icelandair.Outbound indirect flight with Ryanair, departs from Shannon on Thu, 15 May, arriving in Seattle / Tacoma International.Inbound indirect flight with Icelandair, departs from Seattle / Tacoma International on Mon, 19 May, arriving in Shannon.Price includes taxes and charges.From 676 €, select.

Seattle.750 € per passenger.Departing Mon, 24 Mar, returning Mon, 31 Mar.Return flight with British Airways.Outbound indirect flight with British Airways, departs from Shannon on Mon, 24 Mar, arriving in Seattle / Tacoma International.Inbound indirect flight with British Airways, departs from Seattle / Tacoma International on Mon, 31 Mar, arriving in Shannon.Price includes taxes and charges.From 750 €, select.

Seattle.752 € per passenger.Departing Tue, 15 Apr, returning Mon, 21 Apr.Return flight with British Airways.Outbound indirect flight with British Airways, departs from Shannon on Tue, 15 Apr, arriving in Seattle / Tacoma International.Inbound indirect flight with British Airways, departs from Seattle / Tacoma International on Mon, 21 Apr, arriving in Shannon.Price includes taxes and charges.From 752 €, select.

Seattle.786 € per passenger.Departing Fri, 30 May, returning Sun, 8 Jun.Return flight with Delta.Outbound indirect flight with Delta, departs from Shannon on Fri, 30 May, arriving in Seattle / Tacoma International.Inbound indirect flight with Delta, departs from Seattle / Tacoma International on Sun, 8 Jun, arriving in Shannon.Price includes taxes and charges.From 786 €, select.

Seattle.823 € per passenger.Departing Tue, 1 Apr, returning Thu, 1 May.Return flight with British Airways.Outbound indirect flight with British Airways, departs from Shannon on Tue, 1 Apr, arriving in Seattle / Tacoma International.Inbound indirect flight with British Airways, departs from Seattle / Tacoma International on Thu, 1 May, arriving in Shannon.Price includes taxes and charges.From 823 €, select.

Seattle.831 € per passenger.Departing Sun, 6 Jul, returning Mon, 14 Jul.Return flight with Aer Lingus.Outbound indirect flight with Aer Lingus, departs from Shannon on Sun, 6 Jul, arriving in Seattle / Tacoma International.Inbound indirect flight with Aer Lingus, departs from Seattle / Tacoma International on Mon, 14 Jul, arriving in Shannon.Price includes taxes and charges.From 831 €, select.

Find the cheapest month to fly from Shannon to Seattle

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Shannon to Seattle flights are currently cheapest in May.

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Jan

Feb

Alternative Shannon to Seattle routes

Looking for the cheapest, fastest or easiest route from Shannon to Seattle? You could fly into the following airports instead.

Shannon to Seattle: Flight information

The things to know before you go.

Cheapest flight found	676 €
Cheapest month to fly	May

Finding cheap flights from Shannon to Seattle: Frequently asked questions

How many airports are there in Seattle?

There are 4 airports in Seattle: Seattle Lake Union SPB, Seattle Boeing Fld, Seattle / Tacoma International, and Paine Field.

How much are return flights from Shannon to Seattle?

The best price we found for a return flight from Shannon to Seattle is 676 €. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.

Which airlines fly direct from Shannon to Seattle?

Currently, there are no airlines that fly direct from Shannon to Seattle. But we found flights with one or more stops from 676 €.

How many flights are there a week from Shannon to Seattle?

As of March 2025, there are no flights flying from Shannon to Seattle.

When is the cheapest time to fly from Shannon to Seattle?

The cheapest month to fly from Shannon to Seattle is usually March 2025.

Which is the cheapest airport to fly into in Seattle?

If you're flying from Shannon Airport, the cheapest airport near Seattle is Seattle / Tacoma International – which is 19.5 km away from the centre of Seattle. We've found flights into this airport from 676 €.

Which upcoming date is cheapest to fly from Shannon Airport to Seattle on?

After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Shannon Airport to Seattle on Thursday, 15 May 2025.

Can I get a direct flight from Shannon Airport to Seattle?

No airlines currently offer direct flights between Shannon Airport and Seattle. Most routes have one or more stops.

How can I get the best flight deal from Shannon Airport to Seattle?

We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Seattle but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.

What’s the weather like in Seattle?

In March, the average temperature is usually around 6°C. August is typically the warmest month in Seattle, when it usually averages around 23°C. You can expect the least rain in July. The coldest month is December, with temperatures averaging 0°C. The rainiest month is November.

Which is the cheapest airline to fly from Shannon Airport to Seattle with?

Currently, Ryanair offers the cheapest flight tickets to Seattle.

How to find cheap flights to Seattle from Shannon

Looking for cheap tickets from Shannon to Seattle? Here are a few tips on how to secure the best flight price and make your journey as smooth as possible.

Simply hit 'search'. From British Airways to international carriers like Emirates, we compare all major airlines along with the most popular online travel agents to find the cheapest plane tickets from Shannon to Seattle. And with us there are no hidden fees - what you see is what you pay.
Compare flight deals to Seattle from Shannon from over 1,000 providers. Then choose the cheapest or fastest plane tickets.
Flex your dates to find the best Shannon-Seattle ticket prices. If you are flexible when it comes to your travel dates, use Skyscanner's 'Whole month' tool to find the cheapest month, and even day to fly to Seattle from Shannon.
Set up a Price Alert. You can easily track the fare of your cheap Shannon-Seattle flights by creating an alert. Whenever prices go down or up, you'll get an email or push notification to help make sure you get the best possible flight deal.
Fly without stops. Only interested in direct flights between Shannon and Seattle? Make sure to tick 'Direct flights only' when performing a search. If there are direct flights available on the route, these will appear in the results.
Find the cheapest Business class flights from Shannon and Seattle. We scour the internet for the best Business, Premium Economy and First Class flight fares to Seattle, too. Check the difference in price as you search – you might just chance upon a last-minute low fare. Note that not all cabin classes are available for every destination or airline.
Include nearby airports in your search. Widen your search for Shannon to Seattle flight deals by selecting the "add nearby airports" option. This will allow you to see flight prices for all the nearest airports at your departure point and your destination and could help you save next time you travel.

Combine your flight to Seattle from Shannon with hotels and car hire

Once you've secured your cheap flight ticket from Shannon to Seattle, discover the best prices and exclusive rates for hotels in Seattle or nearby. You can also compare hundreds of car hire companies in one go so that you get the best car hire price for your trip.