Cheap flights from Seattle to Shannon from €275

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 13/7. 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.
United Airlines Logo
12:22 - 10:15
SEA
-
SNN
37h 53m
2 stops
United Airlines Logo
12:30 - 23:27
SNN
-
SEA
18h 57m
2 stops
€467United Airlines
Tue, 14 Apr - Sat, 25 Apr
United Airlines Logo
19:54 - 07:30
SEA
-
SNN
27h 36m
2 stops
United Airlines Logo
12:30 - 22:18
SNN
-
SEA
41h 48m
2 stops
€510United Airlines
Fri, 31 Jul - Fri, 14 Aug
Multiple Airlines Logo
08:00 - 16:10
SEA
-
SNN
24h 10m
2 stops
Multiple Airlines Logo
12:00 - 12:20
SNN
-
SEA
32h 20m
1 stop
€530Multiple Airlines
Tue, 14 Apr - Sat, 25 Apr
Aer Lingus Logo
21:05 - 19:25
SEA
-
SNN
15h 20m
2 stops
Aer Lingus Logo
16:50 - 17:10
SNN
-
SEA
56h 20m
2 stops
€546Aer Lingus
Sun, 22 Mar - Mon, 30 Mar
Aer Lingus Logo
19:10 - 20:35
SEA
-
SNN
17h 25m
2 stops
Aer Lingus Logo
21:15 - 17:10
SNN
-
SEA
51h 55m
2 stops
€547Aer Lingus
Mon, 30 Mar - Mon, 6 Apr
KLM Logo
07:15 - 11:10
SEA
-
SNN
19h 55m
1 stop
KLM Logo
13:05 - 00:01
SNN
-
SEA
18h 56m
2 stops
€550KLM
Thu, 28 May - Tue, 16 Jun
United Airlines Logo
22:40 - 07:30
SEA
-
SNN
24h 50m
1 stop
United Airlines Logo
12:30 - 22:18
SNN
-
SEA
41h 48m
2 stops
€558United Airlines
Fri, 31 Jul - Fri, 14 Aug
British Airways Logo
20:20 - 11:20
SEA
-
SNN
31h 00m
1 stop
British Airways Logo
21:15 - 22:38
SNN
-
SEA
33h 23m
2 stops
€562British Airways
Mon, 30 Mar - Mon, 6 Apr
Multiple Airlines Logo
10:20 - 16:10
SEA
-
SNN
21h 50m
3 stops
Multiple Airlines Logo
21:15 - 21:53
SNN
-
SEA
32h 38m
2 stops
€573Multiple Airlines
Mon, 30 Mar - Mon, 6 Apr
British Airways Logo
20:20 - 20:35
SEA
-
SNN
16h 15m
1 stop
British Airways Logo
17:25 - 17:10
SNN
-
SEA
31h 45m
2 stops
€586British Airways
Tue, 14 Apr - Sat, 25 Apr

British Airways flights from Seattle to Shannon, Clare

Our best British Airways deals on Seattle to Shannon, Clare flight tickets
British Airways
30 Mar
SEA20:20Seattle/Tacoma Intl
31h 00m
1 stop
SNN11:20Shannon
6 Apr
SNN21:15Shannon
33h 23m
2 stops
SEA22:38Seattle/Tacoma Intl
€562
British Airways
14 Apr
SEA13:35Seattle/Tacoma Intl
13h 45m
1 stop
SNN11:20Shannon
25 Apr
SNN17:25Shannon
31h 45m
2 stops
SEA17:10Seattle/Tacoma Intl
€586
British Airways
14 Apr
SEA20:20Seattle/Tacoma Intl
16h 15m
1 stop
SNN20:35Shannon
25 Apr
SNN17:25Shannon
26h 10m
1 stop
SEA11:35Seattle/Tacoma Intl
€601

Air Canada flights from Seattle to Shannon, Clare

Our best Air Canada deals on Seattle to Shannon, Clare flight tickets
Air Canada
14 Apr
SEA08:00Seattle/Tacoma Intl
19h 20m
2 stops
SNN11:20Shannon
25 Apr
SNN07:30Shannon
23h 20m
3 stops
SEA22:50Seattle/Tacoma Intl
€615
Air Canada
4 Mar
SEA10:05Seattle/Tacoma Intl
41h 25m
2 stops
SNN11:30Shannon
8 Mar
SNN07:50Shannon
32h 45m
2 stops
SEA08:35Seattle/Tacoma Intl
€650
Air Canada
30 Mar
SEA10:20Seattle/Tacoma Intl
21h 50m
3 stops
SNN16:10Shannon
6 Apr
SNN07:30Shannon
19h 50m
3 stops
SEA19:20Seattle/Tacoma Intl
€714

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 14 February 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

SeattleShannon

SEA - SNN

SEASNN

Seattle/Tacoma Intl

Tue 14/4

12:22-10:15

2 stops37h 53m

Shannon

Sat 25/4

12:30-23:27

2 stops18h 57m

€467

SeattleShannon

SEA - SNN

SEASNN

Seattle/Tacoma Intl

Fri 31/7

19:54-07:30

2 stops27h 36m

Shannon

Fri 14/8

12:30-22:18

2 stops41h 48m

€510

SeattleShannon

SEA - SNN

SEASNN

Seattle/Tacoma Intl

Tue 14/4

08:00-16:10

2 stops24h 10m

Shannon

Sat 25/4

12:00-12:20

1 stop32h 20m

€530

SeattleShannon

SEA - SNN

SEASNN

Seattle/Tacoma Intl

Sun 22/3

21:05-19:25

2 stops15h 20m

Shannon

Mon 30/3

16:50-17:10

2 stops56h 20m

€546

SeattleShannon

SEA - SNN

SEASNN

Seattle/Tacoma Intl

Mon 30/3

19:10-20:35

2 stops17h 25m

Shannon

Mon 6/4

21:15-17:10

2 stops51h 55m

€547

SeattleShannon

SEA - SNN

SEASNN

Seattle/Tacoma Intl

Thu 28/5

07:15-11:10

1 stop19h 55m

Shannon

Tue 16/6

13:05-00:01

2 stops18h 56m

€550

SeattleShannon

SEA - SNN

SEASNN

Seattle/Tacoma Intl

Fri 31/7

22:40-07:30

1 stop24h 50m

Shannon

Fri 14/8

12:30-22:18

2 stops41h 48m

€558

SeattleShannon

SEA - SNN

SEASNN

Seattle/Tacoma Intl

Mon 30/3

20:20-11:20

1 stop31h 00m

Shannon

Mon 6/4

21:15-22:38

2 stops33h 23m

€562

SeattleShannon

SEA - SNN

SEASNN

Seattle/Tacoma Intl

Mon 30/3

10:20-16:10

3 stops21h 50m

Shannon

Mon 6/4

21:15-21:53

2 stops32h 38m

€573

SeattleShannon

SEA - SNN

SEASNN

Seattle/Tacoma Intl

Tue 14/4

20:20-20:35

1 stop16h 15m

Shannon

Sat 25/4

17:25-17:10

2 stops31h 45m

€586

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 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

14h 05m

Direct flights

None
The fastest flight from Seattle to Shannon, Clare takes 14h 05m
There are no direct flights from Seattle to Shannon, Clare. There are no popular flight routes 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 14h 05m.

  • 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
Adare
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.

An easier way to manage your Shannon, Clare trip

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1 adult
Mon 16/3
Mon 23/3