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Cheap flights from Seattle to Shannon from $209

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 10/7. 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
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
7:30 am - 10:15 am
SEA
-
SNN
18h 45m
1 stop
United Airlines Logo
12:30 pm - 9:55 pm
SNN
-
SEA
17h 25m
1 stop
$770United Airlines
Tue, Sep 22 - Tue, Sep 29
United Airlines Logo
10:42 am - 10:15 am
SEA
-
SNN
15h 33m
2 stops
United Airlines Logo
12:30 pm - 11:27 am
SNN
-
SEA
30h 57m
2 stops
$775United Airlines
Tue, Sep 22 - Tue, Sep 29
KLM Logo
10:40 pm - 11:10 am
SEA
-
SNN
28h 30m
1 stop
KLM Logo
1:05 pm - 11:20 pm
SNN
-
SEA
18h 15m
1 stop
$804KLM
Mon, Aug 3 - Wed, Aug 19
Air France Logo
7:15 am - 11:10 am
SEA
-
SNN
19h 55m
1 stop
Air France Logo
1:05 pm - 11:20 pm
SNN
-
SEA
18h 15m
1 stop
$813Air France
Tue, Aug 4 - Tue, Aug 25
United Airlines Logo
8:35 am - 10:15 am
SEA
-
SNN
17h 40m
2 stops
United Airlines Logo
9:30 am - 9:31 pm
SNN
-
SEA
20h 01m
2 stops
$817United Airlines
Tue, Aug 4 - Tue, Aug 25
United Airlines Logo
10:52 am - 7:30 am
SEA
-
SNN
12h 38m
1 stop
United Airlines Logo
9:30 am - 8:43 pm
SNN
-
SEA
19h 13m
2 stops
$818United Airlines
Tue, Aug 4 - Tue, Aug 25
Air France Logo
11:30 am - 11:10 am
SEA
-
SNN
15h 40m
1 stop
Air France Logo
1:05 pm - 11:20 pm
SNN
-
SEA
18h 15m
1 stop
$830Air France
Tue, Aug 4 - Tue, Aug 11
Multiple Airlines Logo
7:15 am - 11:10 am
SEA
-
SNN
19h 55m
1 stop
Multiple Airlines Logo
1:05 pm - 12:59 pm
SNN
-
SEA
31h 54m
2 stops
$837Multiple Airlines
Tue, Aug 4 - Tue, Aug 11
United Airlines Logo
8:56 am - 10:15 am
SEA
-
SNN
17h 19m
2 stops
United Airlines Logo
9:30 am - 7:06 pm
SNN
-
SEA
17h 36m
1 stop
$847United Airlines
Tue, Jul 14 - Wed, Jul 29
United Airlines Logo
5:15 am - 7:30 am
SEA
-
SNN
18h 15m
2 stops
United Airlines Logo
9:30 am - 4:09 pm
SNN
-
SEA
14h 39m
1 stop
$852United Airlines
Wed, Jul 15 - Thu, Jul 30

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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
Sep 22
SEA7:30 amSeattle/Tacoma Intl
18h 45m
1 stop
SNN10:15 amShannon
Sep 29
SNN12:30 pmShannon
17h 25m
1 stop
SEA9:55 pmSeattle/Tacoma Intl
$770
United Airlines
Sep 22
SEA10:42 amSeattle/Tacoma Intl
15h 33m
2 stops
SNN10:15 amShannon
Sep 29
SNN12:30 pmShannon
30h 57m
2 stops
SEA11:27 amSeattle/Tacoma Intl
$775
United Airlines
Aug 3
SEA7:30 amSeattle/Tacoma Intl
18h 45m
1 stop
SNN10:15 amShannon
Aug 19
SNN9:30 amShannon
21h 34m
2 stops
SEA11:04 pmSeattle/Tacoma Intl
$804

Air France flights from Seattle to Shannon, Clare

Our best Air France deals on Seattle to Shannon, Clare flight tickets
Air France
Aug 4
SEA7:15 amSeattle/Tacoma Intl
19h 55m
1 stop
SNN11:10 amShannon
Aug 25
SNN1:05 pmShannon
18h 15m
1 stop
SEA11:20 pmSeattle/Tacoma Intl
$813
Air France
Aug 4
SEA11:30 amSeattle/Tacoma Intl
15h 40m
1 stop
SNN11:10 amShannon
Aug 11
SNN1:05 pmShannon
18h 15m
1 stop
SEA11:20 pmSeattle/Tacoma Intl
$830

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 June 21, 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

Tue 9/22

7:30 am-10:15 am

1 stop18h 45m

Shannon

Tue 9/29

12:30 pm-9:55 pm

1 stop17h 25m

$770

SeattleShannon

SEA - SNN

SEASNN

Seattle/Tacoma Intl

Tue 9/22

10:42 am-10:15 am

2 stops15h 33m

Shannon

Tue 9/29

12:30 pm-11:27 am

2 stops30h 57m

$775

SeattleShannon

SEA - SNN

SEASNN

Seattle/Tacoma Intl

Mon 8/3

10:40 pm-11:10 am

1 stop28h 30m

Shannon

Wed 8/19

1:05 pm-11:20 pm

1 stop18h 15m

$804

SeattleShannon

SEA - SNN

SEASNN

Seattle/Tacoma Intl

Tue 8/4

7:15 am-11:10 am

1 stop19h 55m

Shannon

Tue 8/25

1:05 pm-11:20 pm

1 stop18h 15m

$813

SeattleShannon

SEA - SNN

SEASNN

Seattle/Tacoma Intl

Tue 8/4

8:35 am-10:15 am

2 stops17h 40m

Shannon

Tue 8/25

9:30 am-9:31 pm

2 stops20h 01m

$817
Quickest round-trip

SeattleShannon

SEA - SNN

SEASNN

Seattle/Tacoma Intl

Tue 8/4

10:52 am-7:30 am

1 stop12h 38m

Shannon

Tue 8/25

9:30 am-8:43 pm

2 stops19h 13m

$818

SeattleShannon

SEA - SNN

SEASNN

Seattle/Tacoma Intl

Tue 8/4

11:30 am-11:10 am

1 stop15h 40m

Shannon

Tue 8/11

1:05 pm-11:20 pm

1 stop18h 15m

$830

SeattleShannon

SEA - SNN

SEASNN

Seattle/Tacoma Intl

Tue 8/4

7:15 am-11:10 am

1 stop19h 55m

Shannon

Tue 8/11

1:05 pm-12:59 pm

2 stops31h 54m

$837

SeattleShannon

SEA - SNN

SEASNN

Seattle/Tacoma Intl

Tue 7/14

8:56 am-10:15 am

2 stops17h 19m

Shannon

Wed 7/29

9:30 am-7:06 pm

1 stop17h 36m

$847

SeattleShannon

SEA - SNN

SEASNN

Seattle/Tacoma Intl

Wed 7/15

5:15 am-7:30 am

2 stops18h 15m

Shannon

Thu 7/30

9:30 am-4:09 pm

1 stop14h 39m

$852

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

12h 38m

Direct flights

None
The fastest flight from Seattle to Shannon, Clare takes 12h 38m
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 12h 38m.

  • 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
11,722 reviews
Search American Airlines flights
United AirlinesPriceFrom $586Free CancellationRating
7.4
9,868 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
Bunratty
Adare
Lahinch
Nenagh

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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