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Cheap flights from Seattle to Shannon from $319

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 8/3. 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

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Seattle to Shannon

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
1:05 pm - 10:15 am
SEA
-
SNN
13h 10m
1 stop
United Airlines Logo
9:30 am - 7:07 pm
SNN
-
SEA
17h 37m
1 stop
$732United Airlines
Mon, Aug 3 - Mon, Aug 24
Lufthansa Logo
2:10 pm - 11:15 am
SEA
-
SNN
13h 05m
1 stop
Lufthansa Logo
12:00 pm - 11:55 am
SNN
-
SEA
31h 55m
1 stop
$733Lufthansa
Fri, Aug 14 - Sat, Aug 29
United Airlines Logo
1:05 pm - 10:15 am
SEA
-
SNN
13h 10m
1 stop
United Airlines Logo
9:30 am - 5:42 pm
SNN
-
SEA
16h 12m
2 stops
$736United Airlines
Mon, Aug 3 - Mon, Aug 24
Lufthansa Logo
7:00 am - 7:30 am
SEA
-
SNN
16h 30m
1 stop
Lufthansa Logo
12:00 pm - 11:55 am
SNN
-
SEA
31h 55m
1 stop
$779Lufthansa
Fri, Aug 21 - Sat, Aug 29
United Airlines Logo
5:00 am - 10:15 am
SEA
-
SNN
21h 15m
2 stops
United Airlines Logo
9:30 am - 4:07 pm
SNN
-
SEA
14h 37m
1 stop
$794United Airlines
Fri, Jul 31 - Fri, Aug 14
United Airlines Logo
1:55 pm - 7:30 am
SEA
-
SNN
33h 35m
1 stop
United Airlines Logo
12:30 pm - 11:44 pm
SNN
-
SEA
19h 14m
1 stop
$795United Airlines
Fri, Jul 31 - Fri, Aug 14
United Airlines Logo
7:00 am - 7:30 am
SEA
-
SNN
16h 30m
1 stop
United Airlines Logo
9:30 am - 4:07 pm
SNN
-
SEA
14h 37m
1 stop
$812United Airlines
Fri, Jul 31 - Fri, Aug 14
Lufthansa Logo
2:10 pm - 11:15 am
SEA
-
SNN
13h 05m
1 stop
Lufthansa Logo
12:00 pm - 4:59 pm
SNN
-
SEA
36h 59m
2 stops
$822Lufthansa
Fri, Aug 14 - Sat, Aug 29
United Airlines Logo
7:00 am - 7:30 am
SEA
-
SNN
16h 30m
1 stop
United Airlines Logo
9:30 am - 10:56 pm
SNN
-
SEA
21h 26m
1 stop
$825United Airlines
Thu, Jul 30 - Thu, Aug 6
United Airlines Logo
7:00 am - 7:30 am
SEA
-
SNN
16h 30m
1 stop
United Airlines Logo
12:30 pm - 10:01 am
SNN
-
SEA
29h 31m
2 stops
$892United Airlines
Sun, Aug 2 - Sun, Aug 23

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KLM flights from Seattle to Shannon, Clare

Our best KLM deals on Seattle to Shannon, Clare flight tickets
KLM
Aug 3
SEA7:15 amSeattle/Tacoma Intl
19h 55m
1 stop
SNN11:10 amShannon
Aug 10
SNN1:05 pmShannon
35h 49m
2 stops
SEA4:54 pmSeattle/Tacoma Intl
$948
KLM
Aug 3
SEA6:09 pmSeattle/Tacoma Intl
33h 01m
2 stops
SNN11:10 amShannon
Aug 10
SNN1:05 pmShannon
35h 49m
2 stops
SEA4:54 pmSeattle/Tacoma Intl
$952

Air Canada flights from Seattle to Shannon, Clare

Our best Air Canada deals on Seattle to Shannon, Clare flight tickets
Air Canada
Aug 3
SEA8:00 amSeattle/Tacoma Intl
24h 10m
2 stops
SNN4:10 pmShannon
Aug 24
SNN7:30 amShannon
23h 12m
3 stops
SEA10:42 pmSeattle/Tacoma Intl
$1,073
Air Canada
Aug 3
SEA8:00 amSeattle/Tacoma Intl
24h 10m
2 stops
SNN4:10 pmShannon
Aug 24
SNN7:30 amShannon
19h 02m
3 stops
SEA6:32 pmSeattle/Tacoma Intl
$1,203
Air Canada
Jul 20
SEA8:00 amSeattle/Tacoma Intl
24h 10m
2 stops
SNN4:10 pmShannon
Aug 3
SNN7:30 amShannon
23h 12m
3 stops
SEA10:42 pmSeattle/Tacoma Intl
$1,237

momondo Fare Finder

 
Customize 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 832,500 searches. Data last updated July 6, 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 round-trip

SeattleShannon

SEA - SNN

SEASNN

Seattle/Tacoma Intl

Mon 8/3

1:05 pm-10:15 am

1 stop13h 10m

Shannon

Mon 8/24

9:30 am-7:07 pm

1 stop17h 37m

$732

SeattleShannon

SEA - SNN

SEASNN

Seattle/Tacoma Intl

Fri 8/14

2:10 pm-11:15 am

1 stop13h 05m

Shannon

Sat 8/29

12:00 pm-11:55 am

1 stop31h 55m

$733
Quickest round-trip

SeattleShannon

SEA - SNN

SEASNN

Seattle/Tacoma Intl

Mon 8/3

1:05 pm-10:15 am

1 stop13h 10m

Shannon

Mon 8/24

9:30 am-5:42 pm

2 stops16h 12m

$736

SeattleShannon

SEA - SNN

SEASNN

Seattle/Tacoma Intl

Fri 8/21

7:00 am-7:30 am

1 stop16h 30m

Shannon

Sat 8/29

12:00 pm-11:55 am

1 stop31h 55m

$779

SeattleShannon

SEA - SNN

SEASNN

Seattle/Tacoma Intl

Fri 7/31

5:00 am-10:15 am

2 stops21h 15m

Shannon

Fri 8/14

9:30 am-4:07 pm

1 stop14h 37m

$794

SeattleShannon

SEA - SNN

SEASNN

Seattle/Tacoma Intl

Fri 7/31

1:55 pm-7:30 am

1 stop33h 35m

Shannon

Fri 8/14

12:30 pm-11:44 pm

1 stop19h 14m

$795

SeattleShannon

SEA - SNN

SEASNN

Seattle/Tacoma Intl

Fri 7/31

7:00 am-7:30 am

1 stop16h 30m

Shannon

Fri 8/14

9:30 am-4:07 pm

1 stop14h 37m

$812

SeattleShannon

SEA - SNN

SEASNN

Seattle/Tacoma Intl

Fri 8/14

2:10 pm-11:15 am

1 stop13h 05m

Shannon

Sat 8/29

12:00 pm-4:59 pm

2 stops36h 59m

$822

SeattleShannon

SEA - SNN

SEASNN

Seattle/Tacoma Intl

Thu 7/30

7:00 am-7:30 am

1 stop16h 30m

Shannon

Thu 8/6

9:30 am-10:56 pm

1 stop21h 26m

$825

SeattleShannon

SEA - SNN

SEASNN

Seattle/Tacoma Intl

Sun 8/2

7:00 am-7:30 am

1 stop16h 30m

Shannon

Sun 8/23

12:30 pm-10:01 am

2 stops29h 31m

$892

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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2

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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

Can stopping save me money on Seattle to Shannon, Clare flights?

You could potentially save up to 6% on your flight if you consider stops on a Seattle to Shannon, Clare flight.

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 round-trip 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?

    The straight-line distance from Seattle/Tacoma Intl to Shannon is 4478.2 mi. 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 many operators does momondo search for flights from Seattle/Tacoma Intl Airport to Shannon Airport?

  • How old do you have to be to fly from Seattle/Tacoma Intl Airport to Shannon Airport?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Seattle/Tacoma Intl Airport to Shannon Airport.

  • What documentation or ID do you need to fly to Shannon Airport?

    The travel and health documents you'll need for your trip to Shannon Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Shannon Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • What is the most popular airline from Seattle to Shannon, Clare?

Best airlines flying from Seattle to Shannon, Clare

Compare and see reviews for airlines that fly from Seattle to Shannon, Clare with momondo
Airline
Rating
Free Cancellation
Price
American AirlinesPriceFrom $468Free CancellationRating
7.1
11,782 reviews
Search American Airlines flights
United AirlinesPriceFrom $586Free CancellationRating
7.4
9,938 reviews
Search United Airlines flights

Traveling to a place near Shannon?

Book flights to Shannon if you plan to visit one of these locations
Limerick
Ennis
Adare
Lahinch
Nenagh
Bunratty

Why use momondo?

Why should I use momondo to find a flight deal from Seattle to Shannon?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Seattle to Shannon for you.

Can I find flights from Seattle to Shannon with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to Shannon from Seattle with this policy.

How can momondo help me find flights from Seattle to Shannon?

Once you have performed a search for Seattle to Shannon flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight from Seattle to Shannon right now. Can momondo alert me if prices change?

Yes. momondo can track prices for Seattle to Shannon flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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