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
07:00 - 10:15
SEA
-
SNN
19h 15m
2 stops
United Airlines Logo
12:30 - 21:06
SNN
-
SEA
16h 36m
2 stops
€444United Airlines
Tue, 7 Apr - Wed, 29 Apr
United Airlines Logo
12:08 - 10:15
SEA
-
SNN
14h 07m
1 stop
United Airlines Logo
12:30 - 23:27
SNN
-
SEA
18h 57m
2 stops
€461United Airlines
Tue, 14 Apr - Sat, 25 Apr
United Airlines Logo
07:00 - 10:15
SEA
-
SNN
19h 15m
2 stops
United Airlines Logo
12:30 - 22:37
SNN
-
SEA
18h 07m
2 stops
€480United Airlines
Wed, 8 Apr - Wed, 15 Apr
United Airlines Logo
07:00 - 10:15
SEA
-
SNN
19h 15m
2 stops
United Airlines Logo
12:30 - 23:27
SNN
-
SEA
18h 57m
2 stops
€486United Airlines
Tue, 14 Apr - Sat, 25 Apr
United Airlines Logo
06:00 - 10:15
SEA
-
SNN
20h 15m
2 stops
United Airlines Logo
12:30 - 21:06
SNN
-
SEA
16h 36m
2 stops
€495United Airlines
Tue, 7 Apr - Tue, 14 Apr
United Airlines Logo
05:00 - 10:15
SEA
-
SNN
21h 15m
2 stops
United Airlines Logo
12:30 - 11:48
SNN
-
SEA
31h 18m
2 stops
€497United Airlines
Tue, 14 Apr - Sat, 25 Apr
Delta Logo
07:20 - 11:10
SEA
-
SNN
19h 50m
1 stop
Delta Logo
13:05 - 10:24
SNN
-
SEA
29h 19m
1 stop
€508Delta
Tue, 11 Aug - Sat, 22 Aug
KLM Logo
17:45 - 11:10
SEA
-
SNN
33h 25m
2 stops
KLM Logo
13:05 - 10:24
SNN
-
SEA
29h 19m
1 stop
€518KLM
Tue, 11 Aug - Sat, 22 Aug
United Airlines Logo
11:55 - 10:15
SEA
-
SNN
14h 20m
1 stop
United Airlines Logo
12:30 - 08:00
SNN
-
SEA
27h 30m
2 stops
€525United Airlines
Mon, 4 May - Wed, 20 May
United Airlines Logo
05:00 - 10:15
SEA
-
SNN
21h 15m
2 stops
United Airlines Logo
12:30 - 23:59
SNN
-
SEA
19h 29m
2 stops
€529United Airlines
Sat, 15 Aug - Sat, 22 Aug

Delta flights from Seattle to Shannon, Clare

Our best Delta deals on Seattle to Shannon, Clare flight tickets
Delta
11 Aug
SEA07:20Seattle/Tacoma Intl
19h 50m
1 stop
SNN11:10Shannon
22 Aug
SNN13:05Shannon
29h 19m
1 stop
SEA10:24Seattle/Tacoma Intl
€508
Delta
3 Jul
SEA21:55Seattle/Tacoma Intl
29h 15m
1 stop
SNN11:10Shannon
12 Jul
SNN13:05Shannon
29h 19m
1 stop
SEA10:24Seattle/Tacoma Intl
€765

Aer Lingus flights from Seattle to Shannon, Clare

Our best Aer Lingus deals on Seattle to Shannon, Clare flight tickets
Aer Lingus
11 Mar
SEA21:05Seattle/Tacoma Intl
15h 20m
2 stops
SNN19:25Shannon
17 Mar
SNN07:50Shannon
42h 30m
2 stops
SEA19:20Seattle/Tacoma Intl
€541
Aer Lingus
18 Mar
SEA21:05Seattle/Tacoma Intl
15h 20m
2 stops
SNN19:25Shannon
25 Mar
SNN07:50Shannon
18h 30m
2 stops
SEA19:20Seattle/Tacoma Intl
€558
Aer Lingus
25 Jul
SEA19:10Seattle/Tacoma Intl
17h 25m
2 stops
SNN20:35Shannon
31 Jul
SNN21:15Shannon
27h 55m
2 stops
SEA17:10Seattle/Tacoma Intl
€770

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 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 7/4

07:00-10:15

2 stops19h 15m

Shannon

Wed 29/4

12:30-21:06

2 stops16h 36m

€444

SeattleShannon

SEA - SNN

SEASNN

Seattle/Tacoma Intl

Tue 14/4

12:08-10:15

1 stop14h 07m

Shannon

Sat 25/4

12:30-23:27

2 stops18h 57m

€461

SeattleShannon

SEA - SNN

SEASNN

Seattle/Tacoma Intl

Wed 8/4

07:00-10:15

2 stops19h 15m

Shannon

Wed 15/4

12:30-22:37

2 stops18h 07m

€480

SeattleShannon

SEA - SNN

SEASNN

Seattle/Tacoma Intl

Tue 14/4

07:00-10:15

2 stops19h 15m

Shannon

Sat 25/4

12:30-23:27

2 stops18h 57m

€486

SeattleShannon

SEA - SNN

SEASNN

Seattle/Tacoma Intl

Tue 7/4

06:00-10:15

2 stops20h 15m

Shannon

Tue 14/4

12:30-21:06

2 stops16h 36m

€495

SeattleShannon

SEA - SNN

SEASNN

Seattle/Tacoma Intl

Tue 14/4

05:00-10:15

2 stops21h 15m

Shannon

Sat 25/4

12:30-11:48

2 stops31h 18m

€497

SeattleShannon

SEA - SNN

SEASNN

Seattle/Tacoma Intl

Tue 11/8

07:20-11:10

1 stop19h 50m

Shannon

Sat 22/8

13:05-10:24

1 stop29h 19m

€508

SeattleShannon

SEA - SNN

SEASNN

Seattle/Tacoma Intl

Tue 11/8

17:45-11:10

2 stops33h 25m

Shannon

Sat 22/8

13:05-10:24

1 stop29h 19m

€518

SeattleShannon

SEA - SNN

SEASNN

Seattle/Tacoma Intl

Mon 4/5

11:55-10:15

1 stop14h 20m

Shannon

Wed 20/5

12:30-08:00

2 stops27h 30m

€524

SeattleShannon

SEA - SNN

SEASNN

Seattle/Tacoma Intl

Sat 15/8

05:00-10:15

2 stops21h 15m

Shannon

Sat 22/8

12:30-23:59

2 stops19h 29m

€529

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 07m

Direct flights

None
The fastest flight from Seattle to Shannon, Clare takes 14h 07m
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 07m.

  • 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
Tue 24/3
Tue 31/3