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Cheap flights from Seattle to Shannon from $389

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 4/21. 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 round-trip flights

Enter your travel dates to find the best prices.
American Airlines Logo
6:50 pm - 4:45 pmSEA-SNN
13h 55m1 stop
American Airlines Logo
7:50 am - 9:59 pmSNN-SEA
22h 09m2 stops
$474American Airlines
Find Deal
lun., ene. 5 - dom., ene. 18
American Airlines Logo
6:50 pm - 4:45 pmSEA-SNN
13h 55m1 stop
American Airlines Logo
7:50 am - 5:55 pmSNN-SEA
17h 05m1 stop
$519American Airlines
Find Deal
jue., mar. 5 - jue., mar. 12
American Airlines Logo
7:15 am - 11:30 amSEA-SNN
20h 15m2 stops
American Airlines Logo
7:50 am - 5:55 pmSNN-SEA
17h 05m1 stop
$523American Airlines
Find Deal
jue., mar. 5 - jue., mar. 12
American Airlines Logo
1:35 pm - 8:35 pmSEA-SNN
23h 00m1 stop
American Airlines Logo
7:40 am - 11:05 pmSNN-SEA
23h 25m2 stops
$529American Airlines
Find Deal
mar., abr. 14 - sáb., abr. 25
American Airlines Logo
7:15 am - 11:30 amSEA-SNN
20h 15m2 stops
American Airlines Logo
7:50 am - 11:08 pmSNN-SEA
22h 18m2 stops
$533American Airlines
Find Deal
jue., mar. 5 - jue., mar. 12
United Airlines Logo
9:02 am - 10:15 amSEA-SNN
17h 13m2 stops
United Airlines Logo
12:30 pm - 10:50 pmSNN-SEA
18h 20m2 stops
$542United Airlines
Find Deal
mar., abr. 14 - sáb., abr. 25
American Airlines Logo
1:35 pm - 11:20 amSEA-SNN
13h 45m1 stop
American Airlines Logo
7:40 am - 6:25 pmSNN-SEA
18h 45m1 stop
$574American Airlines
Find Deal
jue., abr. 30 - jue., may. 7
Multiple Airlines Logo
2:35 pm - 2:10 pmSEA-SNN
15h 35m2 stops
Multiple Airlines Logo
5:30 pm - 5:00 pmSNN-SEA
31h 30m2 stops
$634Multiple Airlines
Find Deal
lun., ene. 5 - dom., ene. 18
British Airways Logo
6:50 pm - 4:45 pmSEA-SNN
13h 55m1 stop
British Airways Logo
7:50 am - 5:55 pmSNN-SEA
17h 05m1 stop
$649British Airways
Find Deal
mié., mar. 4 - mié., mar. 11
Multiple Airlines Logo
6:50 pm - 11:30 amSEA-SNN
32h 40m1 stop
Multiple Airlines Logo
7:50 am - 4:55 pmSNN-SEA
17h 05m1 stop
$652Multiple Airlines
Find Deal
lun., ene. 5 - dom., ene. 18

British Airways flights from Seattle to Shannon, Clare

Our best British Airways deals on Seattle to Shannon, Clare flight tickets
British Airways
Mar 4
SEA6:50 pmSeattle/Tacoma Intl
13h 55m
1 stop
SNN4:45 pmShannon
Mar 11
SNN7:50 amShannon
17h 05m
1 stop
SEA5:55 pmSeattle/Tacoma Intl
$649
Find similar
British Airways
Mar 3
SEA1:25 pmSeattle/Tacoma Intl
19h 20m
1 stop
SNN4:45 pmShannon
Mar 11
SNN7:50 amShannon
17h 05m
1 stop
SEA5:55 pmSeattle/Tacoma Intl
$671
Find similar
British Airways
Mar 3
SEA7:15 amSeattle/Tacoma Intl
25h 30m
2 stops
SNN4:45 pmShannon
Mar 10
SNN7:50 amShannon
17h 05m
1 stop
SEA5:55 pmSeattle/Tacoma Intl
$675
Find similar

Air Canada flights from Seattle to Shannon, Clare

Our best Air Canada deals on Seattle to Shannon, Clare flight tickets
Air Canada
Mar 5
SEA5:50 amSeattle/Tacoma Intl
26h 55m
2 stops
SNN4:45 pmShannon
Mar 12
SNN7:50 amShannon
32h 41m
3 stops
SEA9:31 amSeattle/Tacoma Intl
$719
Find similar
Air Canada
Apr 30
SEA5:50 amSeattle/Tacoma Intl
21h 30m
3 stops
SNN11:20 amShannon
May 7
SNN7:40 amShannon
18h 56m
3 stops
SEA6:36 pmSeattle/Tacoma Intl
$825
Find similar
Air Canada
Apr 21
SEA8:00 amSeattle/Tacoma Intl
24h 10m
2 stops
SNN4:10 pmShannon
Jun 13
SNN7:40 amShannon
22h 36m
3 stops
SEA10:16 pmSeattle/Tacoma Intl
$885
Find similar

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 noviembre 20, 2025.
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

lun. 1/5

6:50 pm-4:45 pm

1 stop13h 55m

Shannon

dom. 1/18

7:50 am-9:59 pm

2 stops22h 09m

$474

SeattleShannon

SEA - SNN

SEASNN

Seattle/Tacoma Intl

jue. 3/5

6:50 pm-4:45 pm

1 stop13h 55m

Shannon

jue. 3/12

7:50 am-5:55 pm

1 stop17h 05m

$519

SeattleShannon

SEA - SNN

SEASNN

Seattle/Tacoma Intl

jue. 3/5

7:15 am-11:30 am

2 stops20h 15m

Shannon

jue. 3/12

7:50 am-5:55 pm

1 stop17h 05m

$523

SeattleShannon

SEA - SNN

SEASNN

Seattle/Tacoma Intl

mar. 4/14

1:35 pm-8:35 pm

1 stop23h 00m

Shannon

sáb. 4/25

7:40 am-11:05 pm

2 stops23h 25m

$529

SeattleShannon

SEA - SNN

SEASNN

Seattle/Tacoma Intl

jue. 3/5

7:15 am-11:30 am

2 stops20h 15m

Shannon

jue. 3/12

7:50 am-11:08 pm

2 stops22h 18m

$533

SeattleShannon

SEA - SNN

SEASNN

Seattle/Tacoma Intl

mar. 4/14

9:02 am-10:15 am

2 stops17h 13m

Shannon

sáb. 4/25

12:30 pm-10:50 pm

2 stops18h 20m

$542

SeattleShannon

SEA - SNN

SEASNN

Seattle/Tacoma Intl

jue. 4/30

1:35 pm-11:20 am

1 stop13h 45m

Shannon

jue. 5/7

7:40 am-6:25 pm

1 stop18h 45m

$574

SeattleShannon

SEA - SNN

SEASNN

Seattle/Tacoma Intl

lun. 1/5

2:35 pm-2:10 pm

2 stops15h 35m

Shannon

dom. 1/18

5:30 pm-5:00 pm

2 stops31h 30m

$634

SeattleShannon

SEA - SNN

SEASNN

Seattle/Tacoma Intl

mié. 3/4

6:50 pm-4:45 pm

1 stop13h 55m

Shannon

mié. 3/11

7:50 am-5:55 pm

1 stop17h 05m

$649

SeattleShannon

SEA - SNN

SEASNN

Seattle/Tacoma Intl

lun. 1/5

6:50 pm-11:30 am

1 stop32h 40m

Shannon

dom. 1/18

7:50 am-4:55 pm

1 stop17h 05m

$652

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 12 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 day to depart on your flight to Shannon, Clare?

The cheapest day to depart from Seattle to Shannon, Clare is on a Tuesday when prices can be found for as low as $745. The most expensive day to fly to Shannon, Clare is Saturday, with ticket prices averaging around $1,142.

What is the cheapest time of day to depart on your flight to Shannon, Clare?

Our data shows that the cheapest Seattle to Shannon, Clare flights are usually those with departure times in the afternoon. Our users have found flights to Shannon, Clare in the afternoon for as low as $789. Flights in the evening are often more expensive with an average ticket price of $895.

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

Direct flights

None
There are no direct flights from Seattle to Shannon, Clare. There are no popular flight routes from Seattle to Shannon, Clare.
Search flight deals

  • 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 55m.

  • 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 $520Free CancellationRating
7.2
11,045 reviews
Search American Airlines flights
United AirlinesPriceFrom $593Free CancellationRating
7.4
9,028 reviews
Search United Airlines flights
Aer LingusPriceFrom $715Free CancellationRating
7.2
1,377 reviews
Search Aer Lingus flights

Traveling to a place near Shannon?

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