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Cheap flights from Seattle to Shannon from €182

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 7/10. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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.
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
€671United Airlines
Wed, 23 Sep - Wed, 7 Oct
United Airlines Logo
08:40 - 10:15
SEA
-
SNN
17h 35m
2 stops
United Airlines Logo
12:30 - 22:59
SNN
-
SEA
18h 29m
2 stops
€675United Airlines
Wed, 23 Sep - Wed, 7 Oct
United Airlines Logo
10:42 - 10:15
SEA
-
SNN
15h 33m
2 stops
United Airlines Logo
12:30 - 11:27
SNN
-
SEA
30h 57m
2 stops
€675United Airlines
Tue, 22 Sep - Tue, 29 Sep
KLM Logo
22:40 - 11:10
SEA
-
SNN
28h 30m
1 stop
KLM Logo
13:05 - 23:20
SNN
-
SEA
18h 15m
1 stop
€701KLM
Mon, 3 Aug - Wed, 19 Aug
Air France Logo
07:15 - 11:10
SEA
-
SNN
19h 55m
1 stop
Air France Logo
13:05 - 23:20
SNN
-
SEA
18h 15m
1 stop
€709Air France
Tue, 4 Aug - Tue, 25 Aug
United Airlines Logo
10:52 - 07:30
SEA
-
SNN
12h 38m
1 stop
United Airlines Logo
09:30 - 20:43
SNN
-
SEA
19h 13m
2 stops
€712United Airlines
Tue, 4 Aug - Tue, 25 Aug
United Airlines Logo
10:52 - 07:30
SEA
-
SNN
12h 38m
1 stop
United Airlines Logo
09:30 - 20:43
SNN
-
SEA
19h 13m
2 stops
€713United Airlines
Tue, 4 Aug - Tue, 25 Aug
Air France Logo
11:30 - 11:10
SEA
-
SNN
15h 40m
1 stop
Air France Logo
13:05 - 23:20
SNN
-
SEA
18h 15m
1 stop
€723Air France
Tue, 4 Aug - Tue, 11 Aug
Multiple Airlines Logo
07:15 - 11:10
SEA
-
SNN
19h 55m
1 stop
Multiple Airlines Logo
13:05 - 12:59
SNN
-
SEA
31h 54m
2 stops
€729Multiple Airlines
Tue, 4 Aug - Tue, 11 Aug
United Airlines Logo
07:00 - 07:30
SEA
-
SNN
16h 30m
1 stop
United Airlines Logo
09:30 - 23:16
SNN
-
SEA
21h 46m
1 stop
€738United Airlines
Wed, 15 Jul - Wed, 29 Jul

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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
23 Sept
SEA13:00Seattle/Tacoma Intl
13h 15m
1 stop
SNN10:15Shannon
7 Oct
SNN12:30Shannon
17h 25m
1 stop
SEA21:55Seattle/Tacoma Intl
€671
United Airlines
23 Sept
SEA08:40Seattle/Tacoma Intl
17h 35m
2 stops
SNN10:15Shannon
7 Oct
SNN12:30Shannon
18h 29m
2 stops
SEA22:59Seattle/Tacoma Intl
€675
United Airlines
22 Sept
SEA10:42Seattle/Tacoma Intl
15h 33m
2 stops
SNN10:15Shannon
29 Sept
SNN12:30Shannon
30h 57m
2 stops
SEA11:27Seattle/Tacoma Intl
€675

Aer Lingus flights from Seattle to Shannon, Clare

Our best Aer Lingus deals on Seattle to Shannon, Clare flight tickets
Aer Lingus
17 Oct
SEA23:55Seattle/Tacoma Intl
21h 30m
1 stop
SNN05:25Shannon
20 Oct
SNN21:15Shannon
27h 55m
2 stops
SEA17:10Seattle/Tacoma Intl
€804
Aer Lingus
17 Oct
SEA23:55Seattle/Tacoma Intl
21h 30m
1 stop
SNN05:25Shannon
20 Oct
SNN13:45Shannon
16h 53m
1 stop
SEA22:38Seattle/Tacoma Intl
€815
Aer Lingus
4 Aug
SEA19:10Seattle/Tacoma Intl
32h 50m
2 stops
SNN12:00Shannon
11 Aug
SNN16:50Shannon
32h 20m
2 stops
SEA17:10Seattle/Tacoma Intl
€833

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 22 June 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

Wed 23/9

08:40-10:15

2 stops17h 35m

Shannon

Wed 7/10

12:30-21:55

1 stop17h 25m

€671

SeattleShannon

SEA - SNN

SEASNN

Seattle/Tacoma Intl

Wed 23/9

08:40-10:15

2 stops17h 35m

Shannon

Wed 7/10

12:30-22:59

2 stops18h 29m

€675

SeattleShannon

SEA - SNN

SEASNN

Seattle/Tacoma Intl

Tue 22/9

10:42-10:15

2 stops15h 33m

Shannon

Tue 29/9

12:30-11:27

2 stops30h 57m

€675

SeattleShannon

SEA - SNN

SEASNN

Seattle/Tacoma Intl

Mon 3/8

22:40-11:10

1 stop28h 30m

Shannon

Wed 19/8

13:05-23:20

1 stop18h 15m

€701

SeattleShannon

SEA - SNN

SEASNN

Seattle/Tacoma Intl

Tue 4/8

07:15-11:10

1 stop19h 55m

Shannon

Tue 25/8

13:05-23:20

1 stop18h 15m

€709
Fastest return journey

SeattleShannon

SEA - SNN

SEASNN

Seattle/Tacoma Intl

Tue 4/8

10:52-07:30

1 stop12h 38m

Shannon

Tue 25/8

09:30-20:43

2 stops19h 13m

€712

SeattleShannon

SEA - SNN

SEASNN

Seattle/Tacoma Intl

Tue 4/8

10:52-07:30

1 stop12h 38m

Shannon

Tue 25/8

09:30-20:43

2 stops19h 13m

€713

SeattleShannon

SEA - SNN

SEASNN

Seattle/Tacoma Intl

Tue 4/8

11:30-11:10

1 stop15h 40m

Shannon

Tue 11/8

13:05-23:20

1 stop18h 15m

€723

SeattleShannon

SEA - SNN

SEASNN

Seattle/Tacoma Intl

Tue 4/8

07:15-11:10

1 stop19h 55m

Shannon

Tue 11/8

13:05-12:59

2 stops31h 54m

€729

SeattleShannon

SEA - SNN

SEASNN

Seattle/Tacoma Intl

Wed 15/7

07:00-07:30

1 stop16h 30m

Shannon

Wed 29/7

09:30-23:16

1 stop21h 46m

€738

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

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

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.

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