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$436+ Cheap flights from Seattle (SEA) to Limerick, Ireland

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/2. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — ORK
Oct 15 — Oct 221
Wed 10/15
Wed 10/22
1 adult, Economy
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Cheap flight deals from Seattle to Limerick

Keep the following information in mind while searching for Seattle to Limerick flight deals. Data was last updated September 15, 2025.

Round-trip from

$436
(American Airlines)

Popular in

June

Cheapest in

July

Average price

$686
From Seattle/Tacoma Intl to Limerick
Search Deals
Highest demand for flights based on searches. 5% potential increase in price ($46 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($45 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Find flight deals from Seattle to Limerick

Cheapest flights from Seattle to Limerick
Explore the most affordable flight options available from Seattle to Limerick. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 15, 2025.

This American Airlines deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/26:50 pmSEA - SNN
1 stop13h 55mAmerican Airlines
Tue 11/187:50 amSNN - SEA
1 stop17h 05mAmerican Airlines
Deal found 9/15$436
This American Airlines deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/36:50 pmSEA - SNN
1 stop13h 55mAmerican Airlines
Tue 11/187:50 amSNN - SEA
1 stop17h 05mAmerican Airlines
Deal found 9/14$501
This American Airlines deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/2911:31 amSEA - SNN
2 stops16h 59mAmerican Airlines
Wed 11/57:50 amSNN - SEA
2 stops22h 34mAmerican Airlines
Deal found 9/14$515
This American Airlines deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/128:20 pmSEA - SNN
1 stop16h 15mAmerican Airlines
Sun 10/199:15 pmSNN - SEA
1 stop29h 05mAmerican Airlines
Deal found 9/13$553
This Gotogate deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/28:00 pmSEA - SNN
2 stops36h 45mAir Canada
Tue 11/187:50 amSNN - SEA
2 stops19h 26mAir Canada
Deal found 9/15$639
This British Airways deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/311:34 amSEA - SNN
2 stops23h 51mBritish Airways
Tue 11/185:30 pmSNN - SEA
1 stop31h 25mBritish Airways
Deal found 9/14$643
This Expedia deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/2910:32 amSEA - SNN
2 stops17h 58mMultiple Airlines
Wed 11/58:05 pmSNN - SEA
1 stop28h 50mMultiple Airlines
Deal found 9/14$659
This United Airlines deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/1112:45 pmSEA - SNN
1 stop13h 30mUnited Airlines
Sat 10/1812:30 pmSNN - SEA
2 stops31h 26mUnited Airlines
Deal found 9/13$660
This American Airlines deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/288:20 pmSEA - SNN
1 stop16h 15mAmerican Airlines
Mon 10/69:15 pmSNN - SEA
1 stop21h 55mAmerican Airlines
Deal found 9/13$665

Cheapflights Fare Finder

 
Customize your flight search to find flights from Seattle to Limerick 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, Cheapflights users made 2,558,603 searches. Data last updated September 15, 2025.
Use the filters below to find and compare flights from Seattle to Limerick that are best for you.

Fly from

Seattle

Fly to

Limerick

Route

Depart

Return

Price

SeattleShannon

SEA - SNN

SEASNN

Seattle/Tacoma Intl

Sun 11/2

6:50 pm-4:45 pm

1 stop13h 55m

Shannon

Tue 11/18

7:50 am-4:55 pm

1 stop17h 05m

$436

SeattleShannon

SEA - SNN

SEASNN

Seattle/Tacoma Intl

Mon 11/3

6:50 pm-4:45 pm

1 stop13h 55m

Shannon

Tue 11/18

7:50 am-4:55 pm

1 stop17h 05m

$436

SeattleShannon

SEA - SNN

SEASNN

Seattle/Tacoma Intl

Wed 10/29

11:31 am-11:30 am

2 stops16h 59m

Shannon

Wed 11/5

7:50 am-10:24 pm

2 stops22h 34m

$515

SeattleShannon

SEA - SNN

SEASNN

Seattle/Tacoma Intl

Sat 1/17

1:35 pm-4:45 pm

1 stop19h 10m

Shannon

Sat 1/24

7:50 am-4:55 pm

1 stop17h 05m

$536

SeattleShannon

SEA - SNN

SEASNN

Seattle/Tacoma Intl

Thu 3/12

7:50 pm-4:45 pm

1 stop13h 55m

Shannon

Sun 3/15

7:50 am-5:55 pm

1 stop17h 05m

$536

SeattleShannon

SEA - SNN

SEASNN

Seattle/Tacoma Intl

Sun 11/9

6:15 pm-7:25 pm

3 stops41h 10m

$1,515

SeattleShannon

SEA - SNN

SEASNN

Seattle/Tacoma Intl

Sun 11/9

6:50 pm-7:25 pm

1 stop16h 35m

$2,740

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/15

Best time to book a flight from Seattle to Limerick

Have a flexible travel schedule? Discover the best time to fly to Limerick from Seattle with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Seattle to Limerick

What is the cheapest month to book a flight from Seattle to Limerick?

Currently, November is the cheapest month in which you can book a flight from Seattle to Limerick (average of $644). Flying from Seattle to Limerick in June is currently the most expensive (average of $1,277). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from SEA to LR9?

Find hourly flight availability from Seattle to Limerick. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 15, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Seattle to Limerick as you normally would.

What is the cheapest day to fly from Seattle to Limerick?

Use this chart to determine the cheapest time to fly round-trip from Seattle to Limerick. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Seattle to Limerick flight should consider departing on Tuesday at noon when fares are most often at their lowest. Saturday evenings flights should be avoided if possible as fares are typically the most expensive at this time.

Reviews of airlines servicing Limerick

Get insights into the airlines that provide service to Limerick. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Limerick. Reviews last updated September 15, 2025.
Read reviews from past customers who have flown United Airlines, American Airlines, and Aer Lingus from Seattle to Limerick. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
8,929 reviews

Crew

8.1

Overall

7.4

Boarding

7.7

Entertainment

7.1

Comfort

7.3

Food

6.6

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??
United Airlines
7.4
Good
8,929 reviews
United Airlines
7.4
Good
8,929 reviews

Crew

8.1

Overall

7.4

Boarding

7.7

Entertainment

7.1

Comfort

7.3

Food

6.6

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??
American Airlines
7.2
Good
10,000 reviews
United Airlines
7.4
Good
8,929 reviews

Crew

8.1

Overall

7.4

Boarding

7.7

Entertainment

7.1

Comfort

7.3

Food

6.6

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??
Aer Lingus
7.2
Good
1,270 reviews
United Airlines
7.4
Good
8,929 reviews

Crew

8.1

Overall

7.4

Boarding

7.7

Entertainment

7.1

Comfort

7.3

Food

6.6

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??

Related info for your journey

Find useful and relevant information for your journey from Seattle to Limerick. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Seattle to Limerick?

    Most people fly from Seattle/Tacoma Intl (SEA) if they book a flight from Seattle to Limerick. On average, Seattle/Tacoma Intl has 0 outbound flights to Limerick per day from 6 airlines. Seattle/Tacoma Intl is conveniently located just 11.4 mi from Seattle’s city center.

  • How long is the flight from Seattle to Limerick?

    A quick flight from Seattle to Limerick can take about 13h 55m. American Airlines provides one of the quickest options available for as low as $436. There are 4485 mi between Seattle and Limerick.

  • Can I find deals for flights from Seattle to Limerick that include hotel bookings?

    Yes. In addition to deals on Seattle to Limerick flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Seattle to Limerick?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Seattle to Limerick.

  • Can I find deals for business class flights from Seattle to Limerick?

    Yes. Cheapflights offers flight deals from Seattle to Limerick by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Seattle to Limerick?

    Currently, November is the cheapest month in which you can book a flight from Seattle to Limerick (average of $644). Flying from Seattle to Limerick in June is currently the most expensive (average of $1,277). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

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Top 6 airlines flying from Seattle to Limerick

Discover the top 6 airlines that operate flights from Seattle to Limerick. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated September 15, 2025.
AirlineCheapestAverageFlexibilityOn-time
KLMCheapest$509Average$793FlexibilityNo cancel feeOn-time75%
DeltaCheapest$537Average$907FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$540Average$762FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$593Average$768FlexibilityNo cancel feeOn-time69%
British AirwaysCheapest$706Average$1,074FlexibilityNo cancel feeOn-time70%
Aer LingusCheapest$715Average$797FlexibilityNo cancel feeOn-timeN/A

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