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Cheap flights from Seattle to Shannon from €305

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 9/5. 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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Find the cheapest flights from Seattle to Shannon

Cheap return flights

Enter your travel dates to find the best prices.
American Airlines Logo
18:50 - 16:45SEA-SNN
13h 55m1 stop
American Airlines Logo
07:50 - 16:55SNN-SEA
17h 05m1 stop
€404American Airlines
Find Deal
Thu, 15 Jan - Thu, 22 Jan
American Airlines Logo
07:35 - 11:30SEA-SNN
19h 55m2 stops
American Airlines Logo
07:50 - 16:55SNN-SEA
17h 05m1 stop
€407American Airlines
Find Deal
Thu, 15 Jan - Thu, 22 Jan
American Airlines Logo
14:10 - 16:45SEA-SNN
18h 35m2 stops
American Airlines Logo
07:50 - 22:07SNN-SEA
22h 17m2 stops
€416American Airlines
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Thu, 15 Jan - Thu, 22 Jan
American Airlines Logo
13:35 - 20:35SEA-SNN
23h 00m1 stop
American Airlines Logo
07:40 - 23:05SNN-SEA
23h 25m2 stops
€455American Airlines
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Tue, 14 Apr - Sat, 25 Apr
American Airlines Logo
14:07 - 16:10SEA-SNN
18h 03m2 stops
American Airlines Logo
07:40 - 21:51SNN-SEA
22h 11m2 stops
€459American Airlines
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Wed, 1 Apr - Tue, 2 Jun
United Airlines Logo
08:45 - 10:15SEA-SNN
17h 30m2 stops
United Airlines Logo
12:30 - 23:36SNN-SEA
19h 06m2 stops
€466United Airlines
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Tue, 14 Apr - Sat, 25 Apr
American Airlines Logo
13:35 - 16:10SEA-SNN
18h 35m1 stop
American Airlines Logo
21:15 - 11:35SNN-SEA
22h 20m1 stop
€498American Airlines
Find Deal
Tue, 5 May - Fri, 15 May
American Airlines Logo
13:35 - 11:20SEA-SNN
13h 45m1 stop
American Airlines Logo
07:40 - 21:51SNN-SEA
22h 11m2 stops
€545American Airlines
Find Deal
Wed, 1 Apr - Tue, 2 Jun
Air Canada Logo
15:40 - 16:45SEA-SNN
17h 05m2 stops
Air Canada Logo
07:50 - 22:06SNN-SEA
22h 16m3 stops
€576Air Canada
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Thu, 15 Jan - Thu, 22 Jan
Multiple Airlines Logo
13:35 - 11:20SEA-SNN
13h 45m1 stop
Multiple Airlines Logo
17:30 - 11:35SNN-SEA
26h 05m1 stop
€590Multiple Airlines
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Tue, 14 Apr - Sat, 25 Apr

American Airlines flights from Seattle to Shannon, Clare

Our best American Airlines deals on Seattle to Shannon, Clare flight tickets
American Airlines
15 Jan
SEA18:50Seattle/Tacoma Intl
13h 55m
1 stop
SNN16:45Shannon
22 Jan
SNN07:50Shannon
17h 05m
1 stop
SEA16:55Seattle/Tacoma Intl
€404
Find similar
American Airlines
15 Jan
SEA07:35Seattle/Tacoma Intl
19h 55m
2 stops
SNN11:30Shannon
22 Jan
SNN07:50Shannon
17h 05m
1 stop
SEA16:55Seattle/Tacoma Intl
€407
Find similar
American Airlines
15 Jan
SEA14:10Seattle/Tacoma Intl
18h 35m
2 stops
SNN16:45Shannon
22 Jan
SNN07:50Shannon
22h 17m
2 stops
SEA22:07Seattle/Tacoma Intl
€416
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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
14 Apr
SEA08:45Seattle/Tacoma Intl
17h 30m
2 stops
SNN10:15Shannon
25 Apr
SNN12:30Shannon
19h 06m
2 stops
SEA23:36Seattle/Tacoma Intl
€466
Find similar
United Airlines
1 Apr
SEA23:59Seattle/Tacoma Intl
26h 16m
2 stops
SNN10:15Shannon
2 Jun
SNN09:30Shannon
21h 51m
3 stops
SEA23:21Seattle/Tacoma Intl
€608
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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 16 November 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 15/1

18:50-16:45

1 stop13h 55m

Shannon

Thu 22/1

07:50-16:55

1 stop17h 05m

€404

SeattleShannon

SEA - SNN

SEASNN

Seattle/Tacoma Intl

Thu 15/1

07:35-11:30

2 stops19h 55m

Shannon

Thu 22/1

07:50-16:55

1 stop17h 05m

€407

SeattleShannon

SEA - SNN

SEASNN

Seattle/Tacoma Intl

Thu 15/1

14:10-16:45

2 stops18h 35m

Shannon

Thu 22/1

07:50-22:07

2 stops22h 17m

€416

SeattleShannon

SEA - SNN

SEASNN

Seattle/Tacoma Intl

Tue 14/4

13:35-20:35

1 stop23h 00m

Shannon

Sat 25/4

07:40-23:05

2 stops23h 25m

€455

SeattleShannon

SEA - SNN

SEASNN

Seattle/Tacoma Intl

Wed 1/4

14:07-16:10

2 stops18h 03m

Shannon

Tue 2/6

07:40-21:51

2 stops22h 11m

€459

SeattleShannon

SEA - SNN

SEASNN

Seattle/Tacoma Intl

Tue 14/4

08:45-10:15

2 stops17h 30m

Shannon

Sat 25/4

12:30-23:36

2 stops19h 06m

€466

SeattleShannon

SEA - SNN

SEASNN

Seattle/Tacoma Intl

Tue 5/5

13:35-16:10

1 stop18h 35m

Shannon

Fri 15/5

21:15-11:35

1 stop22h 20m

€498

SeattleShannon

SEA - SNN

SEASNN

Seattle/Tacoma Intl

Wed 1/4

13:35-11:20

1 stop13h 45m

Shannon

Tue 2/6

07:40-21:51

2 stops22h 11m

€545

SeattleShannon

SEA - SNN

SEASNN

Seattle/Tacoma Intl

Thu 15/1

15:40-16:45

2 stops17h 05m

Shannon

Thu 22/1

07:50-22:06

3 stops22h 16m

€576

SeattleShannon

SEA - SNN

SEASNN

Seattle/Tacoma Intl

Tue 14/4

13:35-11:20

1 stop13h 45m

Shannon

Sat 25/4

17:30-11:35

1 stop26h 05m

€590

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 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?

United Airlines and American 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.
Search flight deals

  • 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
Nenagh
Tipperary
Adare
Killaloe
Lahinch
Bunratty

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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