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Cheap flights from Seattle to Shannon from €289

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 30/9. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags
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Cheap return flights

American Airlines Logo
13:30 - 20:35SEA-SNN
23h 05m1 stop
American Airlines Logo
21:15 - 18:20SNN-SEA
29h 05m1 stop
€502American Airlines
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Thu, 9 Oct - Thu, 16 Oct
American Airlines Logo
20:20 - 20:35SEA-SNN
16h 15m1 stop
American Airlines Logo
07:40 - 22:16SNN-SEA
22h 36m2 stops
€510American Airlines
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Thu, 9 Oct - Thu, 16 Oct
United Airlines Logo
06:35 - 10:15SEA-SNN
19h 40m2 stops
United Airlines Logo
12:30 - 11:56SNN-SEA
31h 26m3 stops
€525United Airlines
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Fri, 10 Oct - Fri, 17 Oct
Logo
15:45 - 20:50SEA-SNN
21h 05m2 stops
Logo
10:50 - 20:40SNN-SEA
17h 50m2 stops
€530
Find Deal
Thu, 9 Oct - Thu, 16 Oct
United Airlines Logo
12:00 - 10:15SEA-SNN
14h 15m1 stop
United Airlines Logo
12:30 - 23:15SNN-SEA
18h 45m2 stops
€624United Airlines
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Fri, 10 Oct - Fri, 17 Oct
Aer Lingus Logo
14:35 - 16:45SEA-SNN
19h 10m1 stop
Aer Lingus Logo
07:50 - 16:55SNN-SEA
17h 05m1 stop
€688Aer Lingus
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Sat, 1 Nov - Sat, 15 Nov
Air Canada Logo
10:00 - 20:35SEA-SNN
26h 35m2 stops
Air Canada Logo
07:40 - 22:26SNN-SEA
22h 46m3 stops
€691Air Canada
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Thu, 9 Oct - Thu, 16 Oct
Air Canada Logo
10:05 - 11:30SEA-SNN
42h 25m2 stops
Air Canada Logo
07:50 - 22:06SNN-SEA
22h 16m2 stops
€691Air Canada
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Thu, 30 Oct - Sat, 15 Nov
Aer Lingus Logo
14:35 - 11:30SEA-SNN
13h 55m1 stop
Aer Lingus Logo
07:50 - 23:18SNN-SEA
23h 28m2 stops
€708Aer Lingus
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Sat, 1 Nov - Sat, 15 Nov
Logo
08:15 - 16:45SEA-SNN
24h 30m2 stops
Logo
07:50 - 09:31SNN-SEA
33h 41m3 stops
€1,060
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Mon, 15 Dec - Mon, 22 Dec

American Airlines flights from Seattle to Shannon, Clare

Our best American Airlines deals on Seattle to Shannon, Clare flight tickets
American Airlines
9 Oct
SEA13:30Seattle/Tacoma Intl
23h 05m
1 stop
SNN20:35Shannon
16 Oct
SNN21:15Shannon
29h 05m
1 stop
SEA18:20Seattle/Tacoma Intl
€502
Find similar
American Airlines
9 Oct
SEA20:20Seattle/Tacoma Intl
16h 15m
1 stop
SNN20:35Shannon
16 Oct
SNN07:40Shannon
22h 36m
2 stops
SEA22:16Seattle/Tacoma Intl
€510
Find similar
American Airlines
31 Oct
SEA19:50Seattle/Tacoma Intl
12h 55m
1 stop
SNN15:45Shannon
15 Nov
SNN07:50Shannon
17h 05m
1 stop
SEA16:55Seattle/Tacoma Intl
€550
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United Airlines flights from Seattle to Shannon, Clare

Our best United Airlines deals on Seattle to Shannon, Clare flight tickets
United Airlines
10 Oct
SEA06:35Seattle/Tacoma Intl
19h 40m
2 stops
SNN10:15Shannon
17 Oct
SNN12:30Shannon
31h 26m
3 stops
SEA11:56Seattle/Tacoma Intl
€525
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United Airlines
10 Oct
SEA12:00Seattle/Tacoma Intl
14h 15m
1 stop
SNN10:15Shannon
17 Oct
SNN12:30Shannon
18h 45m
2 stops
SEA23:15Seattle/Tacoma Intl
€624
Find similar
United Airlines
2 Sept
SEA06:25Seattle/Tacoma Intl
17h 05m
2 stops
SNN07:30Shannon
12 Sept
SNN09:30Shannon
16h 21m
2 stops
SEA17:51Seattle/Tacoma Intl
€678
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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 27 August 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

Thu 9/10

13:30-20:35

1 stop23h 05m

Shannon

Thu 16/10

21:15-18:20

1 stop29h 05m

€502

SeattleShannon

SEA - SNN

SEASNN

Seattle/Tacoma Intl

Thu 9/10

20:20-20:35

1 stop16h 15m

Shannon

Thu 16/10

07:40-22:16

2 stops22h 36m

€510

SeattleShannon

SEA - SNN

SEASNN

Seattle/Tacoma Intl

Fri 10/10

06:35-10:15

2 stops19h 40m

Shannon

Fri 17/10

12:30-11:56

3 stops31h 26m

€525

SeattleShannon

SEA - SNN

SEASNN

Seattle/Tacoma Intl

Thu 9/10

15:45-20:50

2 stops21h 05m

Shannon

Thu 16/10

10:50-20:40

2 stops17h 50m

€530

SeattleShannon

SEA - SNN

SEASNN

Seattle/Tacoma Intl

Fri 10/10

12:00-10:15

1 stop14h 15m

Shannon

Fri 17/10

12:30-23:15

2 stops18h 45m

€624

SeattleShannon

SEA - SNN

SEASNN

Seattle/Tacoma Intl

Sat 1/11

14:35-16:45

1 stop19h 10m

Shannon

Sat 15/11

07:50-16:55

1 stop17h 05m

€688

SeattleShannon

SEA - SNN

SEASNN

Seattle/Tacoma Intl

Thu 9/10

10:00-20:35

2 stops26h 35m

Shannon

Thu 16/10

07:40-22:26

3 stops22h 46m

€691

SeattleShannon

SEA - SNN

SEASNN

Seattle/Tacoma Intl

Thu 30/10

10:05-11:30

2 stops42h 25m

Shannon

Sat 15/11

07:50-22:06

2 stops22h 16m

€691

SeattleShannon

SEA - SNN

SEASNN

Seattle/Tacoma Intl

Sat 1/11

14:35-11:30

1 stop13h 55m

Shannon

Sat 15/11

07:50-23:18

2 stops23h 28m

€708

SeattleShannon

SEA - SNN

SEASNN

Seattle/Tacoma Intl

Mon 15/12

08:15-16:45

2 stops24h 30m

Shannon

Mon 22/12

07:50-09:31

3 stops33h 41m

€1,060

Flights are sorted by cheapest return flights first.

Showing 1-10 of 13 resultsSorted by cheapest first
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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?

JetBlue, American Airlines, and United Airlines are the most popular carriers 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 12h 55m.

  • 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
Tipperary
Nenagh
Adare
Killaloe
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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