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Cheap flights from Seattle to Shannon from €450

This is the cheapest return flight price found by a momondo user in the last 72 hours by searching for a flight from Seattle to Shannon departing on 14/4. 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
13:35 - 11:20
SEA
-
SNN
13h 45m1 stop
American Airlines Logo
07:40 - 23:05
SNN
-
SEA
23h 25m2 stops
€450American 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
€454American Airlines
Tue, 14 Apr - Sat, 25 Apr
American Airlines Logo
20:20 - 20:35
SEA
-
SNN
16h 15m1 stop
American Airlines Logo
07:40 - 18:25
SNN
-
SEA
18h 45m1 stop
€488American Airlines
Tue, 14 Apr - Sat, 25 Apr
American Airlines Logo
18:50 - 16:45
SEA
-
SNN
13h 55m1 stop
American Airlines Logo
07:50 - 16:55
SNN
-
SEA
17h 05m1 stop
€490American Airlines
Sun, 8 Feb - Sun, 15 Feb
American Airlines Logo
13:35 - 15:50
SEA
-
SNN
18h 15m1 stop
American Airlines Logo
07:40 - 16:00
SNN
-
SEA
16h 20m2 stops
€492American Airlines
Fri, 8 May - Tue, 26 May
American Airlines Logo
07:00 - 11:30
SEA
-
SNN
20h 30m2 stops
American Airlines Logo
07:50 - 16:55
SNN
-
SEA
17h 05m1 stop
€493American Airlines
Sun, 8 Feb - Sun, 15 Feb
American Airlines Logo
12:54 - 15:50
SEA
-
SNN
18h 56m2 stops
American Airlines Logo
07:40 - 16:00
SNN
-
SEA
16h 20m2 stops
€496American Airlines
Fri, 8 May - Tue, 26 May
American Airlines Logo
10:01 - 11:20
SEA
-
SNN
17h 19m2 stops
American Airlines Logo
07:40 - 21:51
SNN
-
SEA
22h 11m2 stops
€499American Airlines
Thu, 7 May - Thu, 21 May
American Airlines Logo
14:10 - 16:45
SEA
-
SNN
18h 35m2 stops
American Airlines Logo
07:50 - 22:19
SNN
-
SEA
22h 29m2 stops
€502American Airlines
Sun, 8 Feb - Sun, 15 Feb
Lufthansa Logo
15:00 - 11:15
SEA
-
SNN
36h 15m2 stops
Lufthansa Logo
10:55 - 12:20
SNN
-
SEA
33h 25m1 stop
€503Lufthansa
Thu, 7 May - Thu, 21 May

Air Canada flights from Seattle to Shannon, Clare

Our best Air Canada deals on Seattle to Shannon, Clare flight tickets
Air Canada
4 Feb
SEA05:50Seattle/Tacoma Intl
26h 55m
2 stops
SNN16:45Shannon
8 Feb
SNN07:50Shannon
33h 25m
2 stops
SEA09:15Seattle/Tacoma Intl
€569
Find similar
Air Canada
11 Apr
SEA08:00Seattle/Tacoma Intl
28h 35m
2 stops
SNN20:35Shannon
19 Apr
SNN07:40Shannon
19h 38m
2 stops
SEA19:18Seattle/Tacoma Intl
€660
Find similar
Air Canada
13 Apr
SEA10:10Seattle/Tacoma Intl
26h 25m
2 stops
SNN20:35Shannon
18 Apr
SNN07:40Shannon
22h 28m
2 stops
SEA22:08Seattle/Tacoma Intl
€914
Find similar

British Airways flights from Seattle to Shannon, Clare

Our best British Airways deals on Seattle to Shannon, Clare flight tickets
British Airways
4 Feb
SEA17:45Seattle/Tacoma Intl
17h 40m
2 stops
SNN19:25Shannon
8 Feb
SNN20:05Shannon
28h 50m
1 stop
SEA16:55Seattle/Tacoma Intl
€570
Find similar
British Airways
4 Mar
SEA14:43Seattle/Tacoma Intl
20h 42m
2 stops
SNN19:25Shannon
8 Mar
SNN07:50Shannon
17h 05m
1 stop
SEA16:55Seattle/Tacoma Intl
€575
Find similar
British Airways
11 Apr
SEA23:10Seattle/Tacoma Intl
37h 25m
2 stops
SNN20:35Shannon
19 Apr
SNN16:55Shannon
26h 40m
1 stop
SEA11:35Seattle/Tacoma Intl
€613
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 27 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

Tue 14/4

13:35-11:20

1 stop13h 45m

Shannon

Sat 25/4

07:40-23:05

2 stops23h 25m

€450

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

€454

SeattleShannon

SEA - SNN

SEASNN

Seattle/Tacoma Intl

Tue 14/4

20:20-20:35

1 stop16h 15m

Shannon

Sat 25/4

07:40-18:25

1 stop18h 45m

€488

SeattleShannon

SEA - SNN

SEASNN

Seattle/Tacoma Intl

Sun 8/2

18:50-16:45

1 stop13h 55m

Shannon

Sun 15/2

07:50-16:55

1 stop17h 05m

€490

SeattleShannon

SEA - SNN

SEASNN

Seattle/Tacoma Intl

Fri 8/5

13:35-15:50

1 stop18h 15m

Shannon

Tue 26/5

07:40-16:00

2 stops16h 20m

€492

SeattleShannon

SEA - SNN

SEASNN

Seattle/Tacoma Intl

Sun 8/2

07:00-11:30

2 stops20h 30m

Shannon

Sun 15/2

07:50-16:55

1 stop17h 05m

€493

SeattleShannon

SEA - SNN

SEASNN

Seattle/Tacoma Intl

Fri 8/5

12:54-15:50

2 stops18h 56m

Shannon

Tue 26/5

07:40-16:00

2 stops16h 20m

€496

SeattleShannon

SEA - SNN

SEASNN

Seattle/Tacoma Intl

Thu 7/5

10:01-11:20

2 stops17h 19m

Shannon

Thu 21/5

07:40-21:51

2 stops22h 11m

€499

SeattleShannon

SEA - SNN

SEASNN

Seattle/Tacoma Intl

Sun 8/2

14:10-16:45

2 stops18h 35m

Shannon

Sun 15/2

07:50-22:19

2 stops22h 29m

€502

SeattleShannon

SEA - SNN

SEASNN

Seattle/Tacoma Intl

Thu 7/5

15:00-11:15

2 stops36h 15m

Shannon

Thu 21/5

10:55-12:20

1 stop33h 25m

€503

Flights are sorted by cheapest return flights first.

Sorted by cheapest first

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

36h 15m

Direct flights

None
The fastest flight from Seattle to Shannon, Clare takes 36h 15m
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 36h 15m.

  • 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.

  • How do I get Price Alerts for flights from Seattle to Shannon, Clare?

    You can take advantage of momondo’s Price Alerts by first searching for your flights to Seattle from Shannon, Clare. Flight offers will be shown to you in real-time. From there you can create a Price Alert by using our on-site widget.

  • How can I save money on flights from Seattle to Shannon, Clare with momondo?

    Leverage our AI within our “Price Forecast” tool, which predicts if it’s better to book now or wait until prices decrease. You can strategically pick the best days to fly and save money on your trip by using our “Price Calendar” tool. “Explore” shows an overview of how much it costs to fly to anywhere from a selected city or airport. Our “Discover” content is a great option for travel inspiration and money-saving tips, while “Price Alerts” will update you when prices change, so you can book when fares are right.

  • How does momondo find its flight prices?

    We aggregate our prices from over 700+ competitors from airlines to OTAs. We operate in over 30 markets worldwide to show you a wide range of travel options.

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.

An easier way to manage your Shannon, Clare trip

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