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Cheap flights from Seattle to Shannon from €292

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 15/8. 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
1 adult, Economy, 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.
Multiple Airlines Logo
10:41 - 07:30
SEA
-
SNN
12h 49m
1 stop
Multiple Airlines Logo
12:00 - 11:55
SNN
-
SEA
31h 55m
1 stop
€634Multiple Airlines
Thu, 13 Aug - Sat, 29 Aug
Multiple Airlines Logo
05:00 - 07:30
SEA
-
SNN
18h 30m
2 stops
Multiple Airlines Logo
12:00 - 11:55
SNN
-
SEA
31h 55m
1 stop
€639Multiple Airlines
Thu, 13 Aug - Sat, 29 Aug
United Airlines Logo
13:05 - 10:15
SEA
-
SNN
13h 10m
1 stop
United Airlines Logo
09:30 - 19:07
SNN
-
SEA
17h 37m
1 stop
€640United Airlines
Mon, 3 Aug - Mon, 24 Aug
United Airlines Logo
06:00 - 07:30
SEA
-
SNN
17h 30m
2 stops
United Airlines Logo
09:30 - 21:15
SNN
-
SEA
19h 45m
2 stops
€644United Airlines
Mon, 3 Aug - Mon, 24 Aug
Lufthansa Logo
18:50 - 11:15
SEA
-
SNN
32h 25m
2 stops
Lufthansa Logo
12:00 - 11:55
SNN
-
SEA
31h 55m
1 stop
€654Lufthansa
Thu, 13 Aug - Sat, 29 Aug
Multiple Airlines Logo
05:00 - 07:30
SEA
-
SNN
18h 30m
2 stops
Multiple Airlines Logo
12:00 - 16:59
SNN
-
SEA
36h 59m
2 stops
€660Multiple Airlines
Thu, 13 Aug - Sat, 29 Aug
Lufthansa Logo
07:00 - 07:30
SEA
-
SNN
16h 30m
1 stop
Lufthansa Logo
12:00 - 11:55
SNN
-
SEA
31h 55m
1 stop
€682Lufthansa
Thu, 13 Aug - Sat, 29 Aug
United Airlines Logo
08:40 - 10:15
SEA
-
SNN
17h 35m
2 stops
United Airlines Logo
12:30 - 21:55
SNN
-
SEA
17h 25m
1 stop
€691United Airlines
Tue, 15 Sep - Thu, 24 Sep
United Airlines Logo
13:00 - 10:15
SEA
-
SNN
13h 15m
1 stop
United Airlines Logo
12:30 - 22:59
SNN
-
SEA
18h 29m
2 stops
€695United Airlines
Thu, 17 Sep - Thu, 24 Sep
Lufthansa Logo
18:50 - 11:15
SEA
-
SNN
32h 25m
2 stops
Lufthansa Logo
12:00 - 11:55
SNN
-
SEA
31h 55m
1 stop
€740Lufthansa
Thu, 13 Aug - Sat, 29 Aug

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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
1 Sept
SEA08:00Seattle/Tacoma Intl
24h 10m
2 stops
SNN16:10Shannon
8 Sept
SNN07:30Shannon
23h 12m
3 stops
SEA22:42Seattle/Tacoma Intl
€827
Air Canada
3 Aug
SEA08:00Seattle/Tacoma Intl
24h 10m
2 stops
SNN16:10Shannon
24 Aug
SNN07:30Shannon
19h 02m
3 stops
SEA18:32Seattle/Tacoma Intl
€860
Air Canada
17 Sept
SEA08:00Seattle/Tacoma Intl
24h 10m
2 stops
SNN16:10Shannon
24 Sept
SNN07:30Shannon
19h 02m
3 stops
SEA18:32Seattle/Tacoma Intl
€875

British Airways flights from Seattle to Shannon, Clare

Our best British Airways deals on Seattle to Shannon, Clare flight tickets
British Airways
3 Aug
SEA20:20Seattle/Tacoma Intl
16h 15m
1 stop
SNN20:35Shannon
10 Aug
SNN21:15Shannon
29h 10m
1 stop
SEA18:25Seattle/Tacoma Intl
€885
British Airways
17 Sept
SEA20:20Seattle/Tacoma Intl
16h 15m
1 stop
SNN20:35Shannon
24 Sept
SNN21:15Shannon
22h 20m
1 stop
SEA11:35Seattle/Tacoma Intl
€925
British Airways
18 Jul
SEA13:45Seattle/Tacoma Intl
18h 20m
2 stops
SNN16:05Shannon
27 Jul
SNN21:15Shannon
27h 55m
2 stops
SEA17:10Seattle/Tacoma Intl
€6,436

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 10 July 2026.
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

Cheapest return flight

SeattleShannon

SEA - SNN

SEASNN

Seattle/Tacoma Intl

Thu 13/8

10:41-07:30

1 stop12h 49m

Shannon

Sat 29/8

12:00-11:55

1 stop31h 55m

€634

SeattleShannon

SEA - SNN

SEASNN

Seattle/Tacoma Intl

Thu 13/8

05:00-07:30

2 stops18h 30m

Shannon

Sat 29/8

12:00-11:55

1 stop31h 55m

€639
Fastest return journey

SeattleShannon

SEA - SNN

SEASNN

Seattle/Tacoma Intl

Mon 3/8

13:05-10:15

1 stop13h 10m

Shannon

Mon 24/8

09:30-19:07

1 stop17h 37m

€640

SeattleShannon

SEA - SNN

SEASNN

Seattle/Tacoma Intl

Mon 3/8

06:00-07:30

2 stops17h 30m

Shannon

Mon 24/8

09:30-21:15

2 stops19h 45m

€644

SeattleShannon

SEA - SNN

SEASNN

Seattle/Tacoma Intl

Thu 13/8

18:50-11:15

2 stops32h 25m

Shannon

Sat 29/8

12:00-11:55

1 stop31h 55m

€654

SeattleShannon

SEA - SNN

SEASNN

Seattle/Tacoma Intl

Thu 13/8

05:00-07:30

2 stops18h 30m

Shannon

Sat 29/8

12:00-16:59

2 stops36h 59m

€660

SeattleShannon

SEA - SNN

SEASNN

Seattle/Tacoma Intl

Thu 13/8

07:00-07:30

1 stop16h 30m

Shannon

Sat 29/8

12:00-11:55

1 stop31h 55m

€682

SeattleShannon

SEA - SNN

SEASNN

Seattle/Tacoma Intl

Tue 15/9

08:40-10:15

2 stops17h 35m

Shannon

Thu 24/9

12:30-21:55

1 stop17h 25m

€691

SeattleShannon

SEA - SNN

SEASNN

Seattle/Tacoma Intl

Thu 17/9

13:00-10:15

1 stop13h 15m

Shannon

Thu 24/9

12:30-22:59

2 stops18h 29m

€695

SeattleShannon

SEA - SNN

SEASNN

Seattle/Tacoma Intl

Thu 13/8

18:50-11:15

2 stops32h 25m

Shannon

Sat 29/8

12:00-11:55

1 stop31h 55m

€740

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?

Aer Lingus 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

Fastest flight time

12h 38m

Direct flights

None
The fastest flight from Seattle to Shannon, Clare takes 12h 38m
There are no direct flights from Seattle to Shannon, Clare. There are no popular flight routes from Seattle to Shannon, Clare.
Search flight deals

Frequently asked questions about flying from Seattle to Shannon, Clare

  • 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 38m.

  • 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
Killaloe
Lahinch
Adare
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.

An easier way to manage your Shannon, Clare trip

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