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Cheap flights from Seattle to Shannon from €328

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Seattle to Shannon departing on 14/10. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags
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Find the cheapest flights from Seattle to Shannon

Cheap return flights

United Airlines Logo
12:00 - 10:15SEA-SNN
14h 15m1 stop
United Airlines Logo
12:30 - 23:15SNN-SEA
18h 45m2 stops
€422United Airlines
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Tue, 14 Oct - Tue, 21 Oct
United Airlines Logo
06:35 - 10:15SEA-SNN
19h 40m2 stops
United Airlines Logo
12:30 - 21:34SNN-SEA
17h 04m2 stops
€464United Airlines
Find Deal
Fri, 17 Oct - Fri, 24 Oct
American Airlines Logo
20:20 - 20:35SEA-SNN
16h 15m1 stop
American Airlines Logo
21:15 - 11:35SNN-SEA
22h 20m1 stop
€465American Airlines
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Sun, 5 Oct - Wed, 15 Oct
American Airlines Logo
13:30 - 15:50SEA-SNN
18h 20m1 stop
American Airlines Logo
21:15 - 11:35SNN-SEA
22h 20m1 stop
€509American Airlines
Find Deal
Fri, 17 Oct - Fri, 24 Oct
Multiple Airlines Logo
23:10 - 06:20SEA-SNN
23h 10m1 stop
Multiple Airlines Logo
14:45 - 21:51SNN-SEA
15h 06m1 stop
€529Multiple Airlines
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Sun, 2 Nov - Sun, 9 Nov
British Airways Logo
18:50 - 16:45SEA-SNN
13h 55m1 stop
British Airways Logo
20:05 - 18:20SNN-SEA
30h 15m2 stops
€566British Airways
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Sun, 2 Nov - Sun, 9 Nov
British Airways Logo
13:30 - 11:20SEA-SNN
13h 50m1 stop
British Airways Logo
20:05 - 12:30SNN-SEA
23h 25m1 stop
€580British Airways
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Tue, 21 Oct - Fri, 31 Oct
Air Canada Logo
05:30 - 20:35SEA-SNN
31h 05m2 stops
Air Canada Logo
20:05 - 22:06SNN-SEA
33h 01m2 stops
€599Air Canada
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Tue, 21 Oct - Wed, 29 Oct
Air Canada Logo
14:55 - 20:35SEA-SNN
21h 40m2 stops
Air Canada Logo
20:05 - 22:06SNN-SEA
33h 01m2 stops
€638Air Canada
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Tue, 21 Oct - Sun, 26 Oct
Multiple Airlines Logo
13:30 - 11:20SEA-SNN
13h 50m1 stop
Multiple Airlines Logo
07:50 - 22:00SNN-SEA
21h 10m2 stops
€730Multiple Airlines
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Fri, 24 Oct - Wed, 29 Oct

United Airlines flights from Seattle to Shannon, Clare

Our best United Airlines deals on Seattle to Shannon, Clare flight tickets
United Airlines
14 Oct
SEA07:00Seattle/Tacoma Intl
19h 15m
2 stops
SNN10:15Shannon
21 Oct
SNN12:30Shannon
17h 04m
2 stops
SEA21:34Seattle/Tacoma Intl
€422
Find similar
United Airlines
17 Oct
SEA06:35Seattle/Tacoma Intl
19h 40m
2 stops
SNN10:15Shannon
24 Oct
SNN12:30Shannon
17h 04m
2 stops
SEA21:34Seattle/Tacoma Intl
€464
Find similar
United Airlines
5 Oct
SEA12:00Seattle/Tacoma Intl
14h 15m
1 stop
SNN10:15Shannon
15 Oct
SNN12:30Shannon
31h 26m
3 stops
SEA11:56Seattle/Tacoma Intl
€470
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Air Canada flights from Seattle to Shannon, Clare

Our best Air Canada deals on Seattle to Shannon, Clare flight tickets
Air Canada
21 Oct
SEA05:30Seattle/Tacoma Intl
31h 05m
2 stops
SNN20:35Shannon
29 Oct
SNN20:05Shannon
33h 01m
2 stops
SEA22:06Seattle/Tacoma Intl
€599
Find similar
Air Canada
21 Oct
SEA14:55Seattle/Tacoma Intl
21h 40m
2 stops
SNN20:35Shannon
26 Oct
SNN20:05Shannon
33h 01m
2 stops
SEA22:06Seattle/Tacoma Intl
€638
Find similar
Air Canada
23 Oct
SEA14:55Seattle/Tacoma Intl
21h 40m
2 stops
SNN20:35Shannon
31 Oct
SNN07:50Shannon
21h 16m
2 stops
SEA22:06Seattle/Tacoma Intl
€647
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momondo Fare Finder

 
Customise your flight search to find flights from Seattle to Shannon, Clare that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 13,528 searches. Data last updated 18 September 2025.
Use the filters below to find and compare flights from Seattle to Shannon, Clare that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

SeattleShannon

SEA - SNN

SEASNN

Seattle/Tacoma Intl

Tue 14/10

12:00-10:15

1 stop14h 15m

Shannon

Tue 21/10

12:30-23:15

2 stops18h 45m

€422

SeattleShannon

SEA - SNN

SEASNN

Seattle/Tacoma Intl

Fri 17/10

06:35-10:15

2 stops19h 40m

Shannon

Fri 24/10

12:30-21:34

2 stops17h 04m

€464

SeattleShannon

SEA - SNN

SEASNN

Seattle/Tacoma Intl

Sun 5/10

20:20-20:35

1 stop16h 15m

Shannon

Wed 15/10

21:15-11:35

1 stop22h 20m

€465

SeattleShannon

SEA - SNN

SEASNN

Seattle/Tacoma Intl

Fri 17/10

13:30-15:50

1 stop18h 20m

Shannon

Fri 24/10

21:15-11:35

1 stop22h 20m

€509

SeattleShannon

SEA - SNN

SEASNN

Seattle/Tacoma Intl

Sun 2/11

23:10-06:20

1 stop23h 10m

Shannon

Sun 9/11

14:45-21:51

1 stop15h 06m

€529

SeattleShannon

SEA - SNN

SEASNN

Seattle/Tacoma Intl

Sun 2/11

18:50-16:45

1 stop13h 55m

Shannon

Sun 9/11

20:05-18:20

2 stops30h 15m

€566

SeattleShannon

SEA - SNN

SEASNN

Seattle/Tacoma Intl

Tue 21/10

13:30-11:20

1 stop13h 50m

Shannon

Fri 31/10

20:05-12:30

1 stop23h 25m

€580

SeattleShannon

SEA - SNN

SEASNN

Seattle/Tacoma Intl

Tue 21/10

05:30-20:35

2 stops31h 05m

Shannon

Wed 29/10

20:05-22:06

2 stops33h 01m

€599

SeattleShannon

SEA - SNN

SEASNN

Seattle/Tacoma Intl

Tue 21/10

14:55-20:35

2 stops21h 40m

Shannon

Sun 26/10

20:05-22:06

2 stops33h 01m

€638

SeattleShannon

SEA - SNN

SEASNN

Seattle/Tacoma Intl

Fri 24/10

13:30-11:20

1 stop13h 50m

Shannon

Wed 29/10

07:50-22:00

2 stops21h 10m

€730

Flights are sorted by cheapest return flights first.

Showing 1-10 of 12 resultsSorted by cheapest first
1
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See travel insights to Shannon from

How to get the cheapest flight ticket from Seattle to Shannon, Clare

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest airline that flies from Seattle/Tacoma Intl to Shannon?

United Airlines is the most popular carrier operating from Seattle/Tacoma Intl to Shannon

When to book flights from Seattle to Shannon, Clare

Are you open to changing your travel dates? Check out the ideal times to fly from Seattle to Shannon, Clare according to our flight data. Find out which month and days have the cheapest flights.
Estimated return price

Cheap Seattle to Shannon, Clare (SEA to SNN) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Seattle to Shannon, Clare

Direct flights

None
There are no direct flights from Seattle to Shannon, Clare. There are no popular flight routes from Seattle to Shannon, Clare.
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  • How far is Seattle/Tacoma Intl to Shannon by plane?

    Shannon is 7206.9 km away from Seattle/Tacoma Intl. By plane, this route typically takes 13h 50m.

  • When did momondo last update prices for flights from Seattle/Tacoma Intl Airport to Shannon Airport?

    Prices for flights from Seattle/Tacoma Intl Airport to Shannon Airport are updated daily.

  • How old do you have to be to fly from Seattle/Tacoma Intl Airport to Shannon Airport?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Seattle/Tacoma Intl Airport to Shannon Airport.

  • What documentation or ID do you need to fly to Shannon Airport?

    The required travel and health documents for your Shannon Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's licence and a passport valid for six months after your intended arrival at Shannon Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Travelling to a place near Shannon?

Book flights to Shannon if you plan to visit one of these locations
Limerick
Ennis
Nenagh
Tipperary
Killaloe
Adare
Bunratty
Lahinch

Why use momondo?

Why should I use momondo to find a flight deal from Seattle to Shannon?

Finding the right flight to Shannon from Seattle is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Shannon quick and easy, saving you time and money.

Can I find flights from Seattle to Shannon with flexible booking policies on momondo?

All flight searches from Seattle to Shannon on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from Seattle to Shannon?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Seattle to Shannon.

I’m not ready to book a flight from Seattle to Shannon right now. Can momondo alert me if prices change?

If you are not ready to book a flight from Seattle to Shannon now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Shannon and let you know when they change.

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