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Cheap flights from Seattle to Shannon from $391

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
5:00 am - 7:30 amSEA  Seattle/Tacoma Intl-SNN Shannon
18h 30m2 stops Denver Intl Chicago O'Hare Intl
United Airlines Logo
12:30 pm - 9:15 pmSNN  Shannon-SEA Seattle/Tacoma Intl
16h 45m2 stops Newark Denver Intl
$822United Airlines
Sun, Sep 20 - Tue, Oct 6
United Airlines Logo
10:42 am - 7:30 amSEA  Seattle/Tacoma Intl-SNN Shannon
12h 48m1 stop Chicago O'Hare Intl
United Airlines Logo
12:30 pm - 11:00 pmSNN  Shannon-SEA Seattle/Tacoma Intl
18h 30m2 stops Newark Houston George Bush Intcntl
$822United Airlines
Sun, Sep 20 - Tue, Oct 6
United Airlines Logo
10:42 am - 7:30 amSEA  Seattle/Tacoma Intl-SNN Shannon
12h 48m1 stop Chicago O'Hare Intl
United Airlines Logo
12:30 pm - 9:55 pmSNN  Shannon-SEA Seattle/Tacoma Intl
17h 25m1 stop Newark
$822United Airlines
Sun, Sep 20 - Tue, Oct 6
United Airlines Logo
10:42 am - 7:30 amSEA  Seattle/Tacoma Intl-SNN Shannon
12h 48m1 stop Chicago O'Hare Intl
United Airlines Logo
12:30 pm - 11:00 pmSNN  Shannon-SEA Seattle/Tacoma Intl
18h 30m2 stops Newark Houston George Bush Intcntl
$825United Airlines
Sun, Sep 20 - Tue, Oct 6
Multiple Airlines Logo
3:55 pm - 8:25 pmSEA  Seattle/Tacoma Intl-SNN Shannon
20h 30m3 stops Kastrup Copenhagen Stockholm Arlanda London Stansted
Multiple Airlines Logo
8:00 am - 9:04 pmSNN  Shannon-SEA Seattle/Tacoma Intl
21h 04m2 stops London Stansted Toronto Pearson Intl
$965Multiple Airlines
Sun, Sep 20 - Tue, Oct 6
Aer Lingus Logo
7:10 pm - 8:35 pmSEA  Seattle/Tacoma Intl-SNN Shannon
17h 25m2 stops Dublin London Heathrow
Aer Lingus Logo
9:15 pm - 5:10 pmSNN  Shannon-SEA Seattle/Tacoma Intl
27h 55m2 stops London Heathrow Dublin
$978Aer Lingus
Mon, Sep 21 - Mon, Sep 28
Air Canada Logo
8:15 am - 4:45 pmSEA  Seattle/Tacoma Intl-SNN Shannon
24h 30m2 stops Vancouver Intl London Heathrow
Air Canada Logo
8:05 pm - 8:59 pmSNN  Shannon-SEA Seattle/Tacoma Intl
32h 54m2 stops London Heathrow Toronto Pearson Intl
$982Air Canada
Mon, Dec 14 - Mon, Dec 21
American Airlines Logo
8:20 am - 11:20 amSEA  Seattle/Tacoma Intl-SNN Shannon
19h 00m2 stops Philadelphia London Heathrow
American Airlines Logo
9:15 pm - 11:35 amSNN  Shannon-SEA Seattle/Tacoma Intl
22h 20m1 stop London Heathrow
$1,131American Airlines
Tue, Sep 15 - Mon, Sep 28
American Airlines Logo
5:45 am - 6:20 amSEA  Seattle/Tacoma Intl-SNN Shannon
16h 35m2 stops Charlotte Douglas Boston Logan Intl
American Airlines Logo
2:00 pm - 12:58 amSNN  Shannon-SEA Seattle/Tacoma Intl
18h 58m2 stops New York John F Kennedy Intl Dallas/Fort Worth
$1,748American Airlines
Fri, Dec 18 - Sat, Jan 2
American Airlines Logo
6:45 pm - 3:45 pmSEA  Seattle/Tacoma Intl-SNN Shannon
13h 00m1 stop London Heathrow
American Airlines Logo
2:00 pm - 12:58 amSNN  Shannon-SEA Seattle/Tacoma Intl
18h 58m2 stops New York John F Kennedy Intl Dallas/Fort Worth
$2,373American Airlines
Fri, Dec 18 - Sat, Jan 2

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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 20
SEA10:42 amSeattle/Tacoma Intl
12h 48m
1 stop
SNN7:30 amShannon
Oct 6
SNN12:30 pmShannon
17h 25m
1 stop
SEA9:55 pmSeattle/Tacoma Intl
$822
United Airlines
Sep 20
SEA10:42 amSeattle/Tacoma Intl
12h 48m
1 stop
SNN7:30 amShannon
Oct 6
SNN12:30 pmShannon
17h 25m
1 stop
SEA9:55 pmSeattle/Tacoma Intl
$825
United Airlines
Oct 6
SEA8:30 amSeattle/Tacoma Intl
17h 45m
2 stops
SNN10:15 amShannon
Oct 13
SNN12:30 pmShannon
17h 25m
1 stop
SEA9:55 pmSeattle/Tacoma Intl
$830

Air Canada flights from Seattle to Shannon, Clare

Our best Air Canada deals on Seattle to Shannon, Clare flight tickets
Air Canada
Dec 14
SEA8:15 amSeattle/Tacoma Intl
24h 30m
2 stops
SNN4:45 pmShannon
Dec 21
SNN8:05 pmShannon
32h 54m
2 stops
SEA8:59 pmSeattle/Tacoma Intl
$982
Air Canada
Dec 14
SEA10:10 amSeattle/Tacoma Intl
22h 35m
3 stops
SNN4:45 pmShannon
Dec 21
SNN7:50 amShannon
33h 37m
3 stops
SEA9:27 amSeattle/Tacoma Intl
$1,142
Air Canada
Sep 13
SEA8:00 amSeattle/Tacoma Intl
43h 20m
2 stops
SNN11:20 amShannon
Sep 21
SNN7:30 amShannon
45h 34m
2 stops
SEA9:04 pmSeattle/Tacoma Intl
$1,143

momondo Fare Finder

 
Use the filters below to find and compare flights from Seattle to Shannon, Clare that are best for you.

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Route

Depart

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Price

Cheapest round-trip

SeattleShannon

SEA Seattle/Tacoma Intl - SNN Shannon

SEASNN

Seattle/Tacoma Intl

Sun 9/20

5:00 am-7:30 am

2 stops18h 30m

Shannon

Tue 10/6

12:30 pm-9:15 pm

2 stops16h 45m

$822

SeattleShannon

SEA Seattle/Tacoma Intl - SNN Shannon

SEASNN

Seattle/Tacoma Intl

Sun 9/20

10:42 am-7:30 am

1 stop12h 48m

Shannon

Tue 10/6

12:30 pm-11:00 pm

2 stops18h 30m

$822
Quickest round-trip

SeattleShannon

SEA Seattle/Tacoma Intl - SNN Shannon

SEASNN

Seattle/Tacoma Intl

Sun 9/20

10:42 am-7:30 am

1 stop12h 48m

Shannon

Tue 10/6

12:30 pm-9:55 pm

1 stop17h 25m

$822

SeattleShannon

SEA Seattle/Tacoma Intl - SNN Shannon

SEASNN

Seattle/Tacoma Intl

Sun 9/20

10:42 am-7:30 am

1 stop12h 48m

Shannon

Tue 10/6

12:30 pm-11:00 pm

2 stops18h 30m

$825

SeattleShannon

SEA Seattle/Tacoma Intl - SNN Shannon

SEASNN

Seattle/Tacoma Intl

Sun 9/20

3:55 pm-8:25 pm

3 stops20h 30m

Shannon

Tue 10/6

8:00 am-9:04 pm

2 stops21h 04m

$965

SeattleShannon

SEA Seattle/Tacoma Intl - SNN Shannon

SEASNN

Seattle/Tacoma Intl

Mon 9/21

7:10 pm-8:35 pm

2 stops17h 25m

Shannon

Mon 9/28

9:15 pm-5:10 pm

2 stops27h 55m

$978

SeattleShannon

SEA Seattle/Tacoma Intl - SNN Shannon

SEASNN

Seattle/Tacoma Intl

Mon 12/14

8:15 am-4:45 pm

2 stops24h 30m

Shannon

Mon 12/21

8:05 pm-8:59 pm

2 stops32h 54m

$982

SeattleShannon

SEA Seattle/Tacoma Intl - SNN Shannon

SEASNN

Seattle/Tacoma Intl

Tue 9/15

8:20 am-11:20 am

2 stops19h 00m

Shannon

Mon 9/28

9:15 pm-11:35 am

1 stop22h 20m

$1,131

SeattleShannon

SEA Seattle/Tacoma Intl - SNN Shannon

SEASNN

Seattle/Tacoma Intl

Fri 12/18

5:45 am-6:20 am

2 stops16h 35m

Shannon

Sat 1/2

2:00 pm-12:58 am

2 stops18h 58m

$1,748

SeattleShannon

SEA Seattle/Tacoma Intl - SNN Shannon

SEASNN

Seattle/Tacoma Intl

Fri 12/18

6:45 pm-3:45 pm

1 stop13h 00m

Shannon

Sat 1/2

2:00 pm-12:58 am

2 stops18h 58m

$2,373

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 16 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

Which airport is the most popular layover for flights between Seattle and Shannon, Clare?

London (LHR) was the most common stop: 50% of momondo users choosing 1-stop flights on this route connected there.

Which layover airport offers the lowest fares from Seattle to Shannon, Clare?

Flights via London (LHR) offer the lowest average round-trip price of $468.

Which layover airport has the shortest travel time from Seattle to Shannon, Clare?

Flights connecting via London (LHR) have the shortest average one-way travel time: 13h 55m.

Which layover airport has the shortest connection time from Seattle to Shannon, Clare?

New York (JFK) has the shortest average layover time for this route: 3h 24m.

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

Best Price Found

$391

Fastest flight time

16h 30m

Direct flights

None
The best one-way flight to Shannon, Clare from Seattle in the past 72 hours is $391. The best round-trip flight deal from Seattle to Shannon, Clare found on momondo in the last 72 hours is $822.
The fastest flight from Seattle to Shannon, Clare takes 16h 30m
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 16h 30m.

  • 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
11,994 reviews
Search American Airlines flights
United AirlinesPriceFrom $592Free CancellationRating
7.4
10,121 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
Bunratty
Lahinch
Tipperary

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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.

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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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