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Cheap flights from Seattle to Shannon from €332

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 21/4. 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
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.
American Airlines Logo
18:50 - 16:45
SEA
-
SNN
13h 55m1 stop
American Airlines Logo
07:50 - 16:55
SNN
-
SEA
17h 05m1 stop
€401American Airlines
Thu, 22 Jan - Thu, 29 Jan
American Airlines Logo
14:29 - 16:45
SEA
-
SNN
18h 16m2 stops
American Airlines Logo
07:50 - 16:55
SNN
-
SEA
17h 05m1 stop
€404American Airlines
Thu, 22 Jan - Thu, 29 Jan
American Airlines Logo
14:04 - 16:45
SEA
-
SNN
18h 41m2 stops
American Airlines Logo
07:50 - 21:59
SNN
-
SEA
22h 09m2 stops
€412American Airlines
Thu, 22 Jan - Thu, 29 Jan
American Airlines Logo
13:35 - 20:35
SEA
-
SNN
23h 00m1 stop
American Airlines Logo
07:40 - 21:46
SNN
-
SEA
22h 06m2 stops
€452American Airlines
Tue, 14 Apr - Sat, 25 Apr
American Airlines Logo
15:21 - 16:10
SEA
-
SNN
16h 49m2 stops
American Airlines Logo
07:40 - 21:46
SNN
-
SEA
22h 06m2 stops
€455American Airlines
Tue, 14 Apr - Sat, 25 Apr
United Airlines Logo
07:05 - 10:15
SEA
-
SNN
19h 10m2 stops
United Airlines Logo
12:30 - 22:42
SNN
-
SEA
18h 12m2 stops
€509United Airlines
Thu, 30 Apr - Fri, 8 May
Air Canada Logo
05:50 - 15:45
SEA
-
SNN
25h 55m2 stops
Air Canada Logo
07:50 - 14:31
SNN
-
SEA
38h 41m2 stops
€571Air Canada
Fri, 30 Jan - Tue, 3 Feb
British Airways Logo
18:50 - 15:45
SEA
-
SNN
12h 55m1 stop
British Airways Logo
07:50 - 16:55
SNN
-
SEA
17h 05m1 stop
€573British Airways
Fri, 30 Jan - Tue, 3 Feb
Air Canada Logo
05:50 - 11:30
SEA
-
SNN
21h 40m3 stops
Air Canada Logo
07:50 - 22:06
SNN
-
SEA
22h 16m3 stops
€576Air Canada
Thu, 22 Jan - Thu, 29 Jan
Multiple Airlines Logo
13:35 - 11:20
SEA
-
SNN
13h 45m1 stop
Multiple Airlines Logo
17:30 - 11:35
SNN
-
SEA
26h 05m1 stop
€584Multiple Airlines
Tue, 14 Apr - Sat, 25 Apr

United Airlines flights from Seattle to Shannon, Clare

Our best United Airlines deals on Seattle to Shannon, Clare flight tickets
United Airlines
30 Apr
SEA07:05Seattle/Tacoma Intl
19h 10m
2 stops
SNN10:15Shannon
8 May
SNN12:30Shannon
18h 12m
2 stops
SEA22:42Seattle/Tacoma Intl
€509
Find similar
United Airlines
30 Apr
SEA12:01Seattle/Tacoma Intl
14h 14m
1 stop
SNN10:15Shannon
8 May
SNN12:30Shannon
18h 12m
2 stops
SEA22:42Seattle/Tacoma Intl
€666
Find similar
United Airlines
30 Apr
SEA05:07Seattle/Tacoma Intl
21h 08m
2 stops
SNN10:15Shannon
8 May
SNN12:30Shannon
42h 19m
3 stops
SEA22:49Seattle/Tacoma Intl
€698
Find similar

Air Canada flights from Seattle to Shannon, Clare

Our best Air Canada deals on Seattle to Shannon, Clare flight tickets
Air Canada
30 Jan
SEA05:50Seattle/Tacoma Intl
25h 55m
2 stops
SNN15:45Shannon
3 Feb
SNN07:50Shannon
38h 41m
2 stops
SEA14:31Seattle/Tacoma Intl
€571
Find similar
Air Canada
22 Jan
SEA05:50Seattle/Tacoma Intl
21h 40m
3 stops
SNN11:30Shannon
29 Jan
SNN07:50Shannon
22h 16m
3 stops
SEA22:06Seattle/Tacoma Intl
€576
Find similar

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 18 December 2025.
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

Thu 22/1

18:50-16:45

1 stop13h 55m

Shannon

Thu 29/1

07:50-16:55

1 stop17h 05m

€401

SeattleShannon

SEA - SNN

SEASNN

Seattle/Tacoma Intl

Thu 22/1

14:29-16:45

2 stops18h 16m

Shannon

Thu 29/1

07:50-16:55

1 stop17h 05m

€404

SeattleShannon

SEA - SNN

SEASNN

Seattle/Tacoma Intl

Thu 22/1

14:04-16:45

2 stops18h 41m

Shannon

Thu 29/1

07:50-21:59

2 stops22h 09m

€412

SeattleShannon

SEA - SNN

SEASNN

Seattle/Tacoma Intl

Tue 14/4

13:35-20:35

1 stop23h 00m

Shannon

Sat 25/4

07:40-21:46

2 stops22h 06m

€452

SeattleShannon

SEA - SNN

SEASNN

Seattle/Tacoma Intl

Tue 14/4

15:21-16:10

2 stops16h 49m

Shannon

Sat 25/4

07:40-21:46

2 stops22h 06m

€455

SeattleShannon

SEA - SNN

SEASNN

Seattle/Tacoma Intl

Thu 30/4

07:05-10:15

2 stops19h 10m

Shannon

Fri 8/5

12:30-22:42

2 stops18h 12m

€509

SeattleShannon

SEA - SNN

SEASNN

Seattle/Tacoma Intl

Fri 30/1

05:50-15:45

2 stops25h 55m

Shannon

Tue 3/2

07:50-14:31

2 stops38h 41m

€571

SeattleShannon

SEA - SNN

SEASNN

Seattle/Tacoma Intl

Fri 30/1

18:50-15:45

1 stop12h 55m

Shannon

Tue 3/2

07:50-16:55

1 stop17h 05m

€573

SeattleShannon

SEA - SNN

SEASNN

Seattle/Tacoma Intl

Thu 22/1

05:50-11:30

3 stops21h 40m

Shannon

Thu 29/1

07:50-22:06

3 stops22h 16m

€576

SeattleShannon

SEA - SNN

SEASNN

Seattle/Tacoma Intl

Tue 14/4

13:35-11:20

1 stop13h 45m

Shannon

Sat 25/4

17:30-11:35

1 stop26h 05m

€584

Flights are sorted by cheapest return flights first.

Showing 1-10 of 12 resultsSorted by cheapest first
1
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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?

American 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

13h 50m

Direct flights

None
The fastest flight from Seattle to Shannon, Clare takes 13h 50m
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 13h 50m.

  • 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
Nenagh
Tipperary
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.

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