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Cheap flights from Seattle to Shannon from €338

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 25/7. 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
05:00 - 10:15
SEA
-
SNN
21h 15m
2 stops
United Airlines Logo
12:30 - 21:06
SNN
-
SEA
16h 36m
2 stops
€417United Airlines
Tue, 21 Apr - Tue, 28 Apr
Delta Logo
11:15 - 11:10
SEA
-
SNN
15h 55m
1 stop
Delta Logo
13:05 - 22:16
SNN
-
SEA
17h 11m
1 stop
€456Delta
Tue, 28 Jul - Wed, 12 Aug
United Airlines Logo
07:40 - 10:15
SEA
-
SNN
18h 35m
2 stops
United Airlines Logo
09:30 - 22:29
SNN
-
SEA
20h 59m
1 stop
€459United Airlines
Tue, 28 Jul - Thu, 13 Aug
Delta Logo
15:30 - 11:10
SEA
-
SNN
35h 40m
1 stop
Delta Logo
13:05 - 22:16
SNN
-
SEA
17h 11m
1 stop
€460Delta
Sat, 1 Aug - Wed, 12 Aug
Delta Logo
05:45 - 11:10
SEA
-
SNN
45h 25m
2 stops
Delta Logo
13:05 - 09:02
SNN
-
SEA
27h 57m
2 stops
€464Delta
Sat, 1 Aug - Tue, 11 Aug
United Airlines Logo
07:00 - 07:30
SEA
-
SNN
16h 30m
1 stop
United Airlines Logo
09:30 - 22:29
SNN
-
SEA
20h 59m
1 stop
€498United Airlines
Thu, 30 Jul - Wed, 12 Aug
United Airlines Logo
05:00 - 07:30
SEA
-
SNN
18h 30m
2 stops
United Airlines Logo
09:30 - 22:18
SNN
-
SEA
20h 48m
2 stops
€502United Airlines
Thu, 30 Jul - Thu, 13 Aug
Delta Logo
15:30 - 11:10
SEA
-
SNN
35h 40m
1 stop
Delta Logo
13:05 - 22:16
SNN
-
SEA
17h 11m
1 stop
€503Delta
Fri, 31 Jul - Tue, 11 Aug
Delta Logo
08:40 - 11:10
SEA
-
SNN
18h 30m
2 stops
Delta Logo
13:05 - 22:05
SNN
-
SEA
17h 00m
2 stops
€506Delta
Wed, 29 Jul - Tue, 11 Aug
United Airlines Logo
07:00 - 07:30
SEA
-
SNN
16h 30m
1 stop
United Airlines Logo
09:30 - 23:59
SNN
-
SEA
22h 29m
1 stop
€507United Airlines
Wed, 29 Jul - Mon, 17 Aug

Delta flights from Seattle to Shannon, Clare

Our best Delta deals on Seattle to Shannon, Clare flight tickets
Delta
28 Jul
SEA11:15Seattle/Tacoma Intl
15h 55m
1 stop
SNN11:10Shannon
12 Aug
SNN13:05Shannon
17h 11m
1 stop
SEA22:16Seattle/Tacoma Intl
€456
Delta
1 Aug
SEA05:45Seattle/Tacoma Intl
45h 25m
2 stops
SNN11:10Shannon
11 Aug
SNN13:05Shannon
27h 57m
2 stops
SEA09:02Seattle/Tacoma Intl
€464
Delta
31 Jul
SEA15:30Seattle/Tacoma Intl
35h 40m
1 stop
SNN11:10Shannon
11 Aug
SNN13:05Shannon
17h 11m
1 stop
SEA22:16Seattle/Tacoma Intl
€503

Aer Lingus flights from Seattle to Shannon, Clare

Our best Aer Lingus deals on Seattle to Shannon, Clare flight tickets
Aer Lingus
23 Mar
SEA21:05Seattle/Tacoma Intl
15h 20m
2 stops
SNN19:25Shannon
30 Mar
SNN21:15Shannon
51h 55m
2 stops
SEA17:10Seattle/Tacoma Intl
€547
Aer Lingus
25 Feb
SEA20:05Seattle/Tacoma Intl
15h 20m
2 stops
SNN19:25Shannon
4 Mar
SNN07:50Shannon
18h 30m
2 stops
SEA18:20Seattle/Tacoma Intl
€556
Aer Lingus
27 Mar
SEA21:05Seattle/Tacoma Intl
35h 00m
2 stops
SNN15:05Shannon
10 Apr
SNN07:30Shannon
17h 40m
2 stops
SEA17:10Seattle/Tacoma Intl
€598

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 8 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 21/4

05:00-10:15

2 stops21h 15m

Shannon

Tue 28/4

12:30-21:06

2 stops16h 36m

€417

SeattleShannon

SEA - SNN

SEASNN

Seattle/Tacoma Intl

Tue 28/7

11:15-11:10

1 stop15h 55m

Shannon

Wed 12/8

13:05-22:16

1 stop17h 11m

€456

SeattleShannon

SEA - SNN

SEASNN

Seattle/Tacoma Intl

Tue 28/7

07:40-10:15

2 stops18h 35m

Shannon

Thu 13/8

09:30-22:29

1 stop20h 59m

€459

SeattleShannon

SEA - SNN

SEASNN

Seattle/Tacoma Intl

Sat 1/8

15:30-11:10

1 stop35h 40m

Shannon

Wed 12/8

13:05-22:16

1 stop17h 11m

€460

SeattleShannon

SEA - SNN

SEASNN

Seattle/Tacoma Intl

Sat 1/8

05:45-11:10

2 stops45h 25m

Shannon

Tue 11/8

13:05-09:02

2 stops27h 57m

€464

SeattleShannon

SEA - SNN

SEASNN

Seattle/Tacoma Intl

Thu 30/7

07:00-07:30

1 stop16h 30m

Shannon

Wed 12/8

09:30-22:29

1 stop20h 59m

€498

SeattleShannon

SEA - SNN

SEASNN

Seattle/Tacoma Intl

Thu 30/7

05:00-07:30

2 stops18h 30m

Shannon

Thu 13/8

09:30-22:18

2 stops20h 48m

€502

SeattleShannon

SEA - SNN

SEASNN

Seattle/Tacoma Intl

Fri 31/7

15:30-11:10

1 stop35h 40m

Shannon

Tue 11/8

13:05-22:16

1 stop17h 11m

€503

SeattleShannon

SEA - SNN

SEASNN

Seattle/Tacoma Intl

Wed 29/7

08:40-11:10

2 stops18h 30m

Shannon

Tue 11/8

13:05-22:05

2 stops17h 00m

€506

SeattleShannon

SEA - SNN

SEASNN

Seattle/Tacoma Intl

Wed 29/7

07:00-07:30

1 stop16h 30m

Shannon

Mon 17/8

09:30-23:59

1 stop22h 29m

€507

Flights are sorted by cheapest return flights first.

Showing 1-10 of 17 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, Delta, and KLM 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

Fastest flight time

15h 20m

Direct flights

None
The fastest flight from Seattle to Shannon, Clare takes 15h 20m
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 15h 20m.

  • 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
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.

An easier way to manage your Shannon, Clare trip

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