Cheap flights from Seattle to Shannon from €341

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 25/7. 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.
United Airlines Logo
23:59 - 10:15
SEA
-
SNN
26h 16m
2 stops
United Airlines Logo
12:30 - 16:37
SNN
-
SEA
36h 07m
2 stops
€469United Airlines
Tue, 14 Apr - Sat, 25 Apr
British Airways Logo
13:35 - 11:30
SEA
-
SNN
13h 55m
1 stop
British Airways Logo
20:05 - 11:30
SNN
-
SEA
23h 25m
1 stop
€537British Airways
Fri, 27 Feb - Fri, 6 Mar
Multiple Airlines Logo
13:35 - 11:30
SEA
-
SNN
13h 55m
1 stop
Multiple Airlines Logo
20:05 - 11:30
SNN
-
SEA
23h 25m
1 stop
€539Multiple Airlines
Fri, 27 Feb - Fri, 6 Mar
British Airways Logo
20:05 - 11:30
SEA
-
SNN
31h 25m
2 stops
British Airways Logo
20:05 - 18:20
SNN
-
SEA
54h 15m
2 stops
€550British Airways
Fri, 27 Feb - Fri, 6 Mar
British Airways Logo
13:35 - 15:45
SEA
-
SNN
18h 10m
1 stop
British Airways Logo
20:05 - 18:20
SNN
-
SEA
54h 15m
2 stops
€551British Airways
Fri, 27 Feb - Fri, 6 Mar
Air Canada Logo
20:00 - 16:45
SEA
-
SNN
36h 45m
2 stops
Air Canada Logo
07:50 - 21:57
SNN
-
SEA
22h 07m
2 stops
€568Air Canada
Wed, 4 Mar - Sun, 8 Mar
British Airways Logo
15:52 - 19:25
SEA
-
SNN
19h 33m
2 stops
British Airways Logo
20:05 - 17:55
SNN
-
SEA
28h 50m
1 stop
€573British Airways
Wed, 4 Mar - Sun, 8 Mar
British Airways Logo
18:50 - 19:25
SEA
-
SNN
16h 35m
1 stop
British Airways Logo
07:50 - 16:55
SNN
-
SEA
17h 05m
1 stop
€574British Airways
Wed, 25 Feb - Wed, 4 Mar
Multiple Airlines Logo
18:50 - 19:25
SEA
-
SNN
16h 35m
1 stop
Multiple Airlines Logo
07:50 - 16:55
SNN
-
SEA
17h 05m
1 stop
€577Multiple Airlines
Wed, 25 Feb - Wed, 4 Mar
British Airways Logo
07:00 - 11:20
SEA
-
SNN
20h 20m
2 stops
British Airways Logo
17:25 - 11:35
SNN
-
SEA
26h 10m
1 stop
€579British Airways
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
14 Apr
SEA23:59Seattle/Tacoma Intl
26h 16m
2 stops
SNN10:15Shannon
25 Apr
SNN12:30Shannon
36h 07m
2 stops
SEA16:37Seattle/Tacoma Intl
€469
United Airlines
20 May
SEA13:16Seattle/Tacoma Intl
34h 14m
2 stops
SNN07:30Shannon
31 May
SNN09:30Shannon
21h 16m
1 stop
SEA22:46Seattle/Tacoma Intl
€634
United Airlines
20 May
SEA22:50Seattle/Tacoma Intl
24h 40m
1 stop
SNN07:30Shannon
31 May
SNN09:30Shannon
21h 16m
1 stop
SEA22:46Seattle/Tacoma Intl
€637

British Airways flights from Seattle to Shannon, Clare

Our best British Airways deals on Seattle to Shannon, Clare flight tickets
British Airways
27 Feb
SEA13:35Seattle/Tacoma Intl
13h 55m
1 stop
SNN11:30Shannon
6 Mar
SNN20:05Shannon
23h 25m
1 stop
SEA11:30Seattle/Tacoma Intl
€537
British Airways
27 Feb
SEA20:05Seattle/Tacoma Intl
31h 25m
2 stops
SNN11:30Shannon
6 Mar
SNN20:05Shannon
54h 15m
2 stops
SEA18:20Seattle/Tacoma Intl
€550
British Airways
27 Feb
SEA13:35Seattle/Tacoma Intl
18h 10m
1 stop
SNN15:45Shannon
6 Mar
SNN20:05Shannon
54h 15m
2 stops
SEA18:20Seattle/Tacoma Intl
€551

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 1 February 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

SeattleShannon

SEA - SNN

SEASNN

Seattle/Tacoma Intl

Tue 14/4

23:59-10:15

2 stops26h 16m

Shannon

Sat 25/4

12:30-16:37

2 stops36h 07m

€469

SeattleShannon

SEA - SNN

SEASNN

Seattle/Tacoma Intl

Fri 27/2

13:35-11:30

1 stop13h 55m

Shannon

Fri 6/3

20:05-11:30

1 stop23h 25m

€537

SeattleShannon

SEA - SNN

SEASNN

Seattle/Tacoma Intl

Fri 27/2

13:35-11:30

1 stop13h 55m

Shannon

Fri 6/3

20:05-11:30

1 stop23h 25m

€539

SeattleShannon

SEA - SNN

SEASNN

Seattle/Tacoma Intl

Fri 27/2

20:05-11:30

2 stops31h 25m

Shannon

Fri 6/3

20:05-18:20

2 stops54h 15m

€550

SeattleShannon

SEA - SNN

SEASNN

Seattle/Tacoma Intl

Fri 27/2

13:35-15:45

1 stop18h 10m

Shannon

Fri 6/3

20:05-18:20

2 stops54h 15m

€551

SeattleShannon

SEA - SNN

SEASNN

Seattle/Tacoma Intl

Wed 4/3

20:00-16:45

2 stops36h 45m

Shannon

Sun 8/3

07:50-21:57

2 stops22h 07m

€568

SeattleShannon

SEA - SNN

SEASNN

Seattle/Tacoma Intl

Wed 4/3

15:52-19:25

2 stops19h 33m

Shannon

Sun 8/3

20:05-17:55

1 stop28h 50m

€573

SeattleShannon

SEA - SNN

SEASNN

Seattle/Tacoma Intl

Wed 25/2

18:50-19:25

1 stop16h 35m

Shannon

Wed 4/3

07:50-16:55

1 stop17h 05m

€574

SeattleShannon

SEA - SNN

SEASNN

Seattle/Tacoma Intl

Wed 25/2

18:50-19:25

1 stop16h 35m

Shannon

Wed 4/3

07:50-16:55

1 stop17h 05m

€577

SeattleShannon

SEA - SNN

SEASNN

Seattle/Tacoma Intl

Tue 14/4

07:00-11:20

2 stops20h 20m

Shannon

Sat 25/4

17:25-11:35

1 stop26h 10m

€579

Flights are sorted by cheapest return flights first.

Showing 1-10 of 17 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 and Delta are the most popular carriers 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 45m

Direct flights

None
The fastest flight from Seattle to Shannon, Clare takes 13h 45m
There are no direct flights from Seattle to Shannon, Clare. There are no popular flight routes 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 45m.

  • 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
Nenagh
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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1 adult
Tue 3/3
Tue 10/3