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Cheap flights from Seattle to Shannon from €279

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 3/8. 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
13:05 - 10:15
SEA
-
SNN
13h 10m
1 stop
United Airlines Logo
09:30 - 19:07
SNN
-
SEA
17h 37m
1 stop
€620United Airlines
Mon, 3 Aug - Mon, 24 Aug
United Airlines Logo
13:05 - 10:15
SEA
-
SNN
13h 10m
1 stop
United Airlines Logo
09:30 - 17:42
SNN
-
SEA
16h 12m
2 stops
€623United Airlines
Mon, 3 Aug - Mon, 24 Aug
United Airlines Logo
13:05 - 10:15
SEA
-
SNN
13h 10m
1 stop
United Airlines Logo
09:30 - 19:07
SNN
-
SEA
17h 37m
1 stop
€640United Airlines
Mon, 3 Aug - Mon, 24 Aug
Lufthansa Logo
14:10 - 11:15
SEA
-
SNN
13h 05m
1 stop
Lufthansa Logo
12:00 - 11:55
SNN
-
SEA
31h 55m
1 stop
€641Lufthansa
Fri, 14 Aug - Sat, 29 Aug
United Airlines Logo
13:05 - 10:15
SEA
-
SNN
13h 10m
1 stop
United Airlines Logo
09:30 - 17:42
SNN
-
SEA
16h 12m
2 stops
€643United Airlines
Mon, 3 Aug - Mon, 24 Aug
United Airlines Logo
13:00 - 10:15
SEA
-
SNN
13h 15m
1 stop
United Airlines Logo
12:30 - 21:55
SNN
-
SEA
17h 25m
1 stop
€664United Airlines
Tue, 6 Oct - Thu, 15 Oct
United Airlines Logo
23:13 - 10:15
SEA
-
SNN
27h 02m
2 stops
United Airlines Logo
12:30 - 21:55
SNN
-
SEA
17h 25m
1 stop
€668United Airlines
Thu, 1 Oct - Fri, 9 Oct
United Airlines Logo
13:00 - 10:15
SEA
-
SNN
13h 15m
1 stop
United Airlines Logo
12:30 - 21:55
SNN
-
SEA
17h 25m
1 stop
€673United Airlines
Wed, 7 Oct - Wed, 14 Oct
United Airlines Logo
23:14 - 10:15
SEA
-
SNN
27h 01m
2 stops
United Airlines Logo
12:30 - 21:55
SNN
-
SEA
17h 25m
1 stop
€677United Airlines
Sat, 10 Oct - Tue, 20 Oct
Lufthansa Logo
07:00 - 07:30
SEA
-
SNN
16h 30m
1 stop
Lufthansa Logo
12:00 - 11:55
SNN
-
SEA
31h 55m
1 stop
€681Lufthansa
Fri, 21 Aug - Sat, 29 Aug

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United Airlines flights from Seattle to Shannon, Clare

Our best United Airlines deals on Seattle to Shannon, Clare flight tickets
United Airlines
3 Aug
SEA13:05Seattle/Tacoma Intl
13h 10m
1 stop
SNN10:15Shannon
24 Aug
SNN09:30Shannon
17h 37m
1 stop
SEA19:07Seattle/Tacoma Intl
€620
United Airlines
3 Aug
SEA05:00Seattle/Tacoma Intl
18h 30m
2 stops
SNN07:30Shannon
24 Aug
SNN09:30Shannon
19h 45m
2 stops
SEA21:15Seattle/Tacoma Intl
€623
United Airlines
3 Aug
SEA13:05Seattle/Tacoma Intl
13h 10m
1 stop
SNN10:15Shannon
24 Aug
SNN09:30Shannon
17h 37m
1 stop
SEA19:07Seattle/Tacoma Intl
€640

Aer Lingus flights from Seattle to Shannon, Clare

Our best Aer Lingus deals on Seattle to Shannon, Clare flight tickets
Aer Lingus
18 Jul
SEA06:00Seattle/Tacoma Intl
26h 05m
2 stops
SNN16:05Shannon
27 Jul
SNN21:15Shannon
27h 55m
2 stops
SEA17:10Seattle/Tacoma Intl
€5,165
Aer Lingus
18 Jul
SEA06:00Seattle/Tacoma Intl
30h 35m
2 stops
SNN20:35Shannon
27 Jul
SNN16:50Shannon
32h 20m
2 stops
SEA17:10Seattle/Tacoma Intl
€5,362
Aer Lingus
18 Jul
SEA23:21Seattle/Tacoma Intl
22h 04m
1 stop
SNN05:25Shannon
27 Jul
SNN16:50Shannon
32h 20m
2 stops
SEA17:10Seattle/Tacoma Intl
€5,582

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 4 July 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

SeattleShannon

SEA - SNN

SEASNN

Seattle/Tacoma Intl

Mon 3/8

13:05-10:15

1 stop13h 10m

Shannon

Mon 24/8

09:30-19:07

1 stop17h 37m

€620
Fastest return journey

SeattleShannon

SEA - SNN

SEASNN

Seattle/Tacoma Intl

Mon 3/8

13:05-10:15

1 stop13h 10m

Shannon

Mon 24/8

09:30-17:42

2 stops16h 12m

€623

SeattleShannon

SEA - SNN

SEASNN

Seattle/Tacoma Intl

Mon 3/8

13:05-10:15

1 stop13h 10m

Shannon

Mon 24/8

09:30-19:07

1 stop17h 37m

€640

SeattleShannon

SEA - SNN

SEASNN

Seattle/Tacoma Intl

Fri 14/8

14:10-11:15

1 stop13h 05m

Shannon

Sat 29/8

12:00-11:55

1 stop31h 55m

€641

SeattleShannon

SEA - SNN

SEASNN

Seattle/Tacoma Intl

Mon 3/8

13:05-10:15

1 stop13h 10m

Shannon

Mon 24/8

09:30-17:42

2 stops16h 12m

€643

SeattleShannon

SEA - SNN

SEASNN

Seattle/Tacoma Intl

Tue 6/10

13:00-10:15

1 stop13h 15m

Shannon

Thu 15/10

12:30-21:55

1 stop17h 25m

€664

SeattleShannon

SEA - SNN

SEASNN

Seattle/Tacoma Intl

Thu 1/10

23:13-10:15

2 stops27h 02m

Shannon

Fri 9/10

12:30-21:55

1 stop17h 25m

€668

SeattleShannon

SEA - SNN

SEASNN

Seattle/Tacoma Intl

Wed 7/10

13:00-10:15

1 stop13h 15m

Shannon

Wed 14/10

12:30-21:55

1 stop17h 25m

€673

SeattleShannon

SEA - SNN

SEASNN

Seattle/Tacoma Intl

Sat 10/10

23:14-10:15

2 stops27h 01m

Shannon

Tue 20/10

12:30-21:55

1 stop17h 25m

€677

SeattleShannon

SEA - SNN

SEASNN

Seattle/Tacoma Intl

Fri 21/8

07:00-07:30

1 stop16h 30m

Shannon

Sat 29/8

12:00-11:55

1 stop31h 55m

€681

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

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 10m

Direct flights

None
The fastest flight from Seattle to Shannon, Clare takes 13h 10m
There are no direct flights from Seattle to Shannon, Clare. There are no popular flight routes from Seattle to Shannon, Clare.
Search flight deals

Frequently asked questions about flying from Seattle to Shannon, Clare

  • 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 10m.

  • 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.

Frequently asked questions about flying from Seattle to Shannon, Clare

  • 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
Tipperary
Nenagh
Killaloe
Lahinch
Adare
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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