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Cheap flights from Seattle to Shannon from €206

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 20/4. 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
12:08 - 10:15
SEA
-
SNN
14h 07m
1 stop
United Airlines Logo
12:30 - 10:39
SNN
-
SEA
30h 09m
2 stops
€484United Airlines
Tue, 21 Apr - Tue, 28 Apr
United Airlines Logo
11:55 - 10:15
SEA
-
SNN
14h 20m
1 stop
United Airlines Logo
12:30 - 11:48
SNN
-
SEA
31h 18m
2 stops
€488United Airlines
Mon, 4 May - Tue, 12 May
Delta Logo
21:55 - 11:10
SEA
-
SNN
29h 15m
1 stop
Delta Logo
13:05 - 22:16
SNN
-
SEA
17h 11m
1 stop
€527Delta
Sun, 6 Sep - Wed, 16 Sep
United Airlines Logo
05:00 - 10:15
SEA
-
SNN
21h 15m
2 stops
United Airlines Logo
12:30 - 15:51
SNN
-
SEA
35h 21m
2 stops
€537United Airlines
Sun, 19 Apr - Sun, 26 Apr
United Airlines Logo
22:47 - 07:30
SEA
-
SNN
24h 43m
1 stop
United Airlines Logo
09:30 - 09:35
SNN
-
SEA
32h 05m
1 stop
€558United Airlines
Tue, 1 Sep - Mon, 7 Sep
United Airlines Logo
22:47 - 07:30
SEA
-
SNN
24h 43m
1 stop
United Airlines Logo
09:30 - 10:03
SNN
-
SEA
32h 33m
2 stops
€567United Airlines
Tue, 1 Sep - Mon, 7 Sep
United Airlines Logo
23:56 - 07:30
SEA
-
SNN
23h 34m
2 stops
United Airlines Logo
09:30 - 14:42
SNN
-
SEA
37h 12m
2 stops
€570United Airlines
Sun, 30 Aug - Mon, 7 Sep
United Airlines Logo
07:00 - 07:30
SEA
-
SNN
16h 30m
1 stop
United Airlines Logo
09:30 - 09:35
SNN
-
SEA
32h 05m
1 stop
€572United Airlines
Sun, 30 Aug - Mon, 7 Sep
United Airlines Logo
05:00 - 10:15
SEA
-
SNN
21h 15m
2 stops
United Airlines Logo
09:30 - 09:35
SNN
-
SEA
32h 05m
1 stop
€575United Airlines
Mon, 31 Aug - Mon, 7 Sep
United Airlines Logo
17:00 - 07:30
SEA
-
SNN
30h 30m
1 stop
United Airlines Logo
09:30 - 09:35
SNN
-
SEA
32h 05m
1 stop
€576United Airlines
Sat, 29 Aug - Mon, 7 Sep

United Airlines flights from Seattle to Shannon, Clare

Our best United Airlines deals on Seattle to Shannon, Clare flight tickets
United Airlines
21 Apr
SEA12:08Seattle/Tacoma Intl
14h 07m
1 stop
SNN10:15Shannon
28 Apr
SNN12:30Shannon
30h 09m
2 stops
SEA10:39Seattle/Tacoma Intl
€484
United Airlines
4 May
SEA11:55Seattle/Tacoma Intl
14h 20m
1 stop
SNN10:15Shannon
12 May
SNN12:30Shannon
31h 18m
2 stops
SEA11:48Seattle/Tacoma Intl
€488
United Airlines
1 Sept
SEA22:47Seattle/Tacoma Intl
24h 43m
1 stop
SNN07:30Shannon
7 Sept
SNN09:30Shannon
32h 05m
1 stop
SEA09:35Seattle/Tacoma Intl
€558

British Airways flights from Seattle to Shannon, Clare

Our best British Airways deals on Seattle to Shannon, Clare flight tickets
British Airways
20 Apr
SEA13:30Seattle/Tacoma Intl
23h 05m
1 stop
SNN20:35Shannon
27 Apr
SNN16:50Shannon
26h 45m
1 stop
SEA11:35Seattle/Tacoma Intl
€629
British Airways
14 Apr
SEA13:30Seattle/Tacoma Intl
13h 50m
1 stop
SNN11:20Shannon
25 Apr
SNN17:25Shannon
26h 10m
1 stop
SEA11:35Seattle/Tacoma Intl
€670
British Airways
14 Apr
SEA13:35Seattle/Tacoma Intl
23h 00m
1 stop
SNN20:35Shannon
25 Apr
SNN07:30Shannon
17h 40m
2 stops
SEA17:10Seattle/Tacoma Intl
€676

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 11 March 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
Fastest return journey

SeattleShannon

SEA - SNN

SEASNN

Seattle/Tacoma Intl

Tue 21/4

12:08-10:15

1 stop14h 07m

Shannon

Tue 28/4

12:30-10:39

2 stops30h 09m

€484

SeattleShannon

SEA - SNN

SEASNN

Seattle/Tacoma Intl

Mon 4/5

11:55-10:15

1 stop14h 20m

Shannon

Tue 12/5

12:30-11:48

2 stops31h 18m

€488

SeattleShannon

SEA - SNN

SEASNN

Seattle/Tacoma Intl

Sun 6/9

21:55-11:10

1 stop29h 15m

Shannon

Wed 16/9

13:05-22:16

1 stop17h 11m

€527

SeattleShannon

SEA - SNN

SEASNN

Seattle/Tacoma Intl

Sun 19/4

05:00-10:15

2 stops21h 15m

Shannon

Sun 26/4

12:30-15:51

2 stops35h 21m

€537

SeattleShannon

SEA - SNN

SEASNN

Seattle/Tacoma Intl

Tue 1/9

22:47-07:30

1 stop24h 43m

Shannon

Mon 7/9

09:30-09:35

1 stop32h 05m

€558

SeattleShannon

SEA - SNN

SEASNN

Seattle/Tacoma Intl

Tue 1/9

22:47-07:30

1 stop24h 43m

Shannon

Mon 7/9

09:30-10:03

2 stops32h 33m

€567

SeattleShannon

SEA - SNN

SEASNN

Seattle/Tacoma Intl

Sun 30/8

23:56-07:30

2 stops23h 34m

Shannon

Mon 7/9

09:30-14:42

2 stops37h 12m

€570

SeattleShannon

SEA - SNN

SEASNN

Seattle/Tacoma Intl

Sun 30/8

07:00-07:30

1 stop16h 30m

Shannon

Mon 7/9

09:30-09:35

1 stop32h 05m

€572

SeattleShannon

SEA - SNN

SEASNN

Seattle/Tacoma Intl

Mon 31/8

05:00-10:15

2 stops21h 15m

Shannon

Mon 7/9

09:30-09:35

1 stop32h 05m

€575

SeattleShannon

SEA - SNN

SEASNN

Seattle/Tacoma Intl

Sat 29/8

17:00-07:30

1 stop30h 30m

Shannon

Mon 7/9

09:30-09:35

1 stop32h 05m

€576

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

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

  • 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
Killaloe
Nenagh
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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