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Cheap flights from Seattle to Shannon from €335

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 - 17:55
SNN
-
SEA
17h 05m1 stop
€403American Airlines
Sun, 1 Mar - Tue, 10 Mar
American Airlines Logo
18:50 - 16:45
SEA
-
SNN
13h 55m1 stop
American Airlines Logo
07:50 - 17:55
SNN
-
SEA
17h 05m1 stop
€403American Airlines
Wed, 4 Mar - Fri, 13 Mar
American Airlines Logo
10:31 - 11:30
SEA
-
SNN
16h 59m2 stops
American Airlines Logo
07:50 - 17:55
SNN
-
SEA
17h 05m1 stop
€407American Airlines
Sun, 1 Mar - Tue, 10 Mar
American Airlines Logo
13:39 - 16:45
SEA
-
SNN
19h 06m2 stops
American Airlines Logo
07:50 - 22:52
SNN
-
SEA
22h 02m2 stops
€416American Airlines
Sun, 1 Mar - Tue, 10 Mar
American Airlines Logo
13:35 - 11:20
SEA
-
SNN
13h 45m1 stop
American Airlines Logo
07:40 - 23:05
SNN
-
SEA
23h 25m2 stops
€454American Airlines
Tue, 14 Apr - Sat, 25 Apr
American Airlines Logo
13:35 - 20:35
SEA
-
SNN
23h 00m1 stop
American Airlines Logo
07:40 - 23:05
SNN
-
SEA
23h 25m2 stops
€455American Airlines
Tue, 14 Apr - Sat, 25 Apr
American Airlines Logo
13:33 - 16:10
SEA
-
SNN
18h 37m2 stops
American Airlines Logo
07:40 - 23:05
SNN
-
SEA
23h 25m2 stops
€458American Airlines
Tue, 14 Apr - Sat, 25 Apr
American Airlines Logo
13:35 - 15:45
SEA
-
SNN
18h 10m1 stop
American Airlines Logo
07:50 - 16:55
SNN
-
SEA
17h 05m1 stop
€493American Airlines
Fri, 23 Jan - Fri, 30 Jan
American Airlines Logo
10:50 - 11:30
SEA
-
SNN
16h 40m2 stops
American Airlines Logo
07:50 - 16:55
SNN
-
SEA
17h 05m1 stop
€497American Airlines
Fri, 23 Jan - Fri, 30 Jan
American Airlines Logo
10:50 - 11:30
SEA
-
SNN
16h 40m2 stops
American Airlines Logo
07:50 - 22:20
SNN
-
SEA
22h 30m2 stops
€506American Airlines
Fri, 23 Jan - Fri, 30 Jan

Air Canada flights from Seattle to Shannon, Clare

Our best Air Canada deals on Seattle to Shannon, Clare flight tickets
Air Canada
3 Mar
SEA20:00Seattle/Tacoma Intl
36h 45m
2 stops
SNN16:45Shannon
13 Mar
SNN07:50Shannon
32h 41m
2 stops
SEA09:31Seattle/Tacoma Intl
€572
Find similar
Air Canada
8 Jan
SEA15:40Seattle/Tacoma Intl
17h 05m
2 stops
SNN16:45Shannon
17 Jan
SNN07:50Shannon
19h 26m
2 stops
SEA19:16Seattle/Tacoma Intl
€574
Find similar
Air Canada
30 Jan
SEA15:40Seattle/Tacoma Intl
16h 05m
2 stops
SNN15:45Shannon
3 Feb
SNN07:50Shannon
33h 41m
2 stops
SEA09:31Seattle/Tacoma Intl
€575
Find similar

British Airways flights from Seattle to Shannon, Clare

Our best British Airways deals on Seattle to Shannon, Clare flight tickets
British Airways
23 Jan
SEA18:50Seattle/Tacoma Intl
12h 55m
1 stop
SNN15:45Shannon
1 Feb
SNN20:05Shannon
28h 50m
1 stop
SEA16:55Seattle/Tacoma Intl
€576
Find similar
British Airways
3 Mar
SEA13:25Seattle/Tacoma Intl
19h 20m
1 stop
SNN16:45Shannon
12 Mar
SNN17:30Shannon
31h 25m
1 stop
SEA17:55Seattle/Tacoma Intl
€577
Find similar
British Airways
5 Mar
SEA18:50Seattle/Tacoma Intl
13h 55m
1 stop
SNN16:45Shannon
13 Mar
SNN07:50Shannon
17h 05m
1 stop
SEA17:55Seattle/Tacoma Intl
€579
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 10 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

Sun 1/3

18:50-16:45

1 stop13h 55m

Shannon

Tue 10/3

07:50-17:55

1 stop17h 05m

€403

SeattleShannon

SEA - SNN

SEASNN

Seattle/Tacoma Intl

Wed 4/3

18:50-16:45

1 stop13h 55m

Shannon

Fri 13/3

07:50-17:55

1 stop17h 05m

€403

SeattleShannon

SEA - SNN

SEASNN

Seattle/Tacoma Intl

Sun 1/3

10:31-11:30

2 stops16h 59m

Shannon

Tue 10/3

07:50-17:55

1 stop17h 05m

€407

SeattleShannon

SEA - SNN

SEASNN

Seattle/Tacoma Intl

Sun 1/3

13:39-16:45

2 stops19h 06m

Shannon

Tue 10/3

07:50-22:52

2 stops22h 02m

€416

SeattleShannon

SEA - SNN

SEASNN

Seattle/Tacoma Intl

Tue 14/4

13:35-11:20

1 stop13h 45m

Shannon

Sat 25/4

07:40-23:05

2 stops23h 25m

€454

SeattleShannon

SEA - SNN

SEASNN

Seattle/Tacoma Intl

Tue 14/4

13:35-20:35

1 stop23h 00m

Shannon

Sat 25/4

07:40-23:05

2 stops23h 25m

€455

SeattleShannon

SEA - SNN

SEASNN

Seattle/Tacoma Intl

Tue 14/4

13:33-16:10

2 stops18h 37m

Shannon

Sat 25/4

07:40-23:05

2 stops23h 25m

€458

SeattleShannon

SEA - SNN

SEASNN

Seattle/Tacoma Intl

Fri 23/1

13:35-15:45

1 stop18h 10m

Shannon

Fri 30/1

07:50-16:55

1 stop17h 05m

€493

SeattleShannon

SEA - SNN

SEASNN

Seattle/Tacoma Intl

Fri 23/1

10:50-11:30

2 stops16h 40m

Shannon

Fri 30/1

07:50-16:55

1 stop17h 05m

€497

SeattleShannon

SEA - SNN

SEASNN

Seattle/Tacoma Intl

Fri 23/1

10:50-11:30

2 stops16h 40m

Shannon

Fri 30/1

07:50-22:20

2 stops22h 30m

€506

Flights are sorted by cheapest return flights first.

Showing 1-10 of 19 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 55m

Direct flights

None
The fastest flight from Seattle to Shannon, Clare takes 13h 55m
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 55m.

  • 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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