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$270+ Cheap flights from Seattle (SEA) to Ireland

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 1/28. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — DUB
Jan 21 — Jan 281
Tue 1/21
Tue 1/28
1 adult, Economy
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Cheap flight deals from Seattle to Ireland

Discover tips and strategies to find the most affordable flight options for your journey from Seattle (SEA) to Ireland (IE0). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated January 16, 2025.

Round-trip from

$478
(Gotogate)

One-way from

$277
(Kiwi.com)
From Seattle/Tacoma Intl to Ireland
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One-way flight from Seattle/Tacoma Intl to Ireland
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Find flight deals from Seattle to Ireland

Cheapest flights from Seattle to Ireland
Explore the most affordable flight options available from Seattle to Ireland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 16, 2025.

This FlightHub deal was found by Cheapflights users on 1/15. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/84:20 pmSEA - DUB
1 stop17h 55mScandinavian Airlines
Tue 10/1412:40 pmDUB - SEA
1 stop33h 20mScandinavian Airlines
Deal found 1/15$475
This Gotogate deal was found by Cheapflights users on 1/14. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/62:35 pmSEA - DUB
1 stop11h 40mIcelandair
Thu 2/1311:30 amDUB - SEA
1 stop13h 30mIcelandair
Deal found 1/14$478
This Flightnetwork deal was found by Cheapflights users on 1/16. 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 Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/198:00 pmSEA - DUB
Nonstop9h 10mAer Lingus
Fri 2/284:30 pmDUB - SEA
Nonstop9h 45mAer Lingus
Deal found 1/16$489
This CrystalTravel deal was found by Cheapflights users on 1/15. 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 CrystalTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/36:50 pmSEA - DUB
1 stop14h 15mBritish Airways
Tue 3/1110:55 amDUB - SEA
1 stop14h 00mBritish Airways
Deal found 1/15$501
This Gotogate deal was found by Cheapflights users on 1/16. 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.
Mon 3/37:05 pmSEA - DUB
2 stops28h 05mAir Canada
Fri 3/218:00 amDUB - SEA
1 stop20h 30mAir Canada
Deal found 1/16$506
This Delta deal was found by Cheapflights users on 1/15. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/2410:29 pmSEA - DUB
1 stop25h 56mDelta
Thu 3/610:45 amDUB - SEA
2 stops22h 05mDelta
Deal found 1/15$512
This KLM deal was found by Cheapflights users on 1/16. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 1/287:10 amSEA - DUB
1 stop17h 35mMultiple Airlines
Tue 2/410:45 amDUB - SEA
1 stop17h 10mMultiple Airlines
Deal found 1/16$520
This KLM deal was found by Cheapflights users on 1/15. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/47:10 amSEA - DUB
1 stop17h 35mKLM
Tue 2/185:55 amDUB - SEA
1 stop13h 51mKLM
Deal found 1/15$522
This American Airlines deal was found by Cheapflights users on 1/15. 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.
Mon 2/1711:10 pmSEA - DUB
1 stop25h 30mAmerican Airlines
Wed 3/510:25 amDUB - SEA
1 stop14h 30mAmerican Airlines
Deal found 1/15$527
This American Airlines deal was found by Cheapflights users on 1/15. 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.
Wed 2/197:20 amSEA - SNN
2 stops20h 10mAmerican Airlines
Tue 2/257:45 amSNN - SEA
2 stops23h 39mAmerican Airlines
Deal found 1/15$532
This American Airlines deal was found by Cheapflights users on 1/15. 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.
Wed 2/197:20 amSEA - ORK
2 stops19h 50mAmerican Airlines
Wed 2/267:40 amORK - SEA
2 stops21h 41mAmerican Airlines
Deal found 1/15$533
This KLM deal was found by Cheapflights users on 1/15. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/192:09 pmSEA - ORK
1 stop23h 41mKLM
Wed 2/266:00 amORK - SEA
1 stop13h 46mKLM
Deal found 1/15$542

Find flights from Seattle to Ireland within your budget

Customize your flight search to find flights from Seattle to Ireland 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 January 16, 2025.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

SeattleDublin

SEA - DUB

SEADUB

Seattle/Tacoma Intl

Thu 2/6

2:35 pm-10:15 am

1 stop11h 40m

Dublin

Thu 2/13

11:30 am-5:00 pm

1 stop13h 30m

$478

SeattleDublin

SEA - DUB

SEADUB

Seattle/Tacoma Intl

Wed 2/19

8:00 pm-1:10 pm

Nonstop9h 10m

Dublin

Fri 2/28

4:30 pm-6:15 pm

Nonstop9h 45m

$489

SeattleDublin

SEA - DUB

SEADUB

Seattle/Tacoma Intl

Mon 3/3

6:50 pm-5:05 pm

1 stop14h 15m

Dublin

Tue 3/11

10:55 am-5:55 pm

1 stop14h 00m

$501

SeattleDublin

SEA - DUB

SEADUB

Seattle/Tacoma Intl

Mon 3/3

7:05 pm-7:10 am

2 stops28h 05m

Dublin

Fri 3/21

8:00 am-9:30 pm

1 stop20h 30m

$506

SeattleDublin

SEA - DUB

SEADUB

Seattle/Tacoma Intl

Mon 2/24

7:10 am-8:45 am

1 stop17h 35m

Dublin

Tue 3/4

10:45 am-12:50 am

2 stops22h 05m

$512

SeattleDublin

SEA - DUB

SEADUB

Seattle/Tacoma Intl

Tue 1/28

7:10 am-8:45 am

1 stop17h 35m

Dublin

Tue 2/4

10:45 am-7:55 pm

1 stop17h 10m

$520

SeattleDublin

SEA - DUB

SEADUB

Seattle/Tacoma Intl

Tue 2/4

7:10 am-8:45 am

1 stop17h 35m

Dublin

Tue 2/18

5:55 am-11:46 am

1 stop13h 51m

$522

SeattleCork

SEA - ORK

SEAORK

Seattle/Tacoma Intl

Wed 2/19

7:20 am-11:10 am

2 stops19h 50m

Cork

Wed 2/26

7:40 am-9:21 pm

2 stops21h 41m

$533

SeattleCork

SEA - ORK

SEAORK

Seattle/Tacoma Intl

Wed 2/19

2:09 pm-9:50 pm

1 stop23h 41m

Cork

Wed 2/26

6:00 am-11:46 am

1 stop13h 46m

$542

SeattleDublin

SEA - DUB

SEADUB

Seattle/Tacoma Intl

Mon 3/10

7:00 am-10:05 am

2 stops20h 05m

Dublin

Wed 3/26

11:50 am-11:01 pm

2 stops18h 11m

$544

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/14

Showing 1-10 of 44 results
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Best time to book a flight from Seattle to Ireland

Have a flexible travel schedule? Discover the best time to fly to Ireland 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.

Travel insights for flights from Seattle to Ireland

Get recent, data-driven insights about flights from Seattle to Ireland including ideal travel times, pricing trends, and more.

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

Currently, November is the cheapest month in which you can book a flight from Seattle to Ireland (average of $509). Flying from Seattle to Ireland in June is currently the most expensive (average of $1,016). 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 IE?

Find hourly flight availability from Seattle to Ireland. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated January 16, 2025.

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

Rainfall in Ireland by month

Plan your trip to Ireland by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Ireland ranges from 1.9 - 3.1 inches per month. October is typically the wettest month, when rainfall can reach 3.1 in. February is typically the driest time to visit Ireland when rainfall is around 1.9 in.

Temperature in Ireland by month

Plan your trip to Ireland by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Ireland, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 60.8 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 41.0 F).

Reviews of airlines servicing Ireland

Get insights into the airlines that provide service to Ireland. 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 Ireland. Reviews last updated January 16, 2025.
Read reviews from past customers who have flown Icelandair, KLM and Aer Lingus from Seattle to Ireland. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
8,511 reviews

Comfort

8.0

Entertainment

7.9

Overall

8.0

Food

7.3

Crew

8.6

Boarding

8.2

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Delta
8.0
Very good
8,511 reviews
Delta
8.0
Very good
8,511 reviews

Comfort

8.0

Entertainment

7.9

Overall

8.0

Food

7.3

Crew

8.6

Boarding

8.2

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

KLM
7.8
Good
1,339 reviews
Delta
8.0
Very good
8,511 reviews

Comfort

8.0

Entertainment

7.9

Overall

8.0

Food

7.3

Crew

8.6

Boarding

8.2

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Air France
7.4
Good
1,487 reviews
Delta
8.0
Very good
8,511 reviews

Comfort

8.0

Entertainment

7.9

Overall

8.0

Food

7.3

Crew

8.6

Boarding

8.2

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

United Airlines
7.4
Good
8,965 reviews
Delta
8.0
Very good
8,511 reviews

Comfort

8.0

Entertainment

7.9

Overall

8.0

Food

7.3

Crew

8.6

Boarding

8.2

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Scandinavian Airlines
7.3
Good
1,308 reviews
Delta
8.0
Very good
8,511 reviews

Comfort

8.0

Entertainment

7.9

Overall

8.0

Food

7.3

Crew

8.6

Boarding

8.2

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Related info for your journey

Find useful and relevant information for your journey from Seattle to Ireland. 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 Ireland?

    Located just 11.4 mi from the city center, Seattle/Tacoma Intl (SEA) is the airport most travelers will use when flying to Ireland from Seattle.

  • How popular is this Seattle to Ireland flight route?

    This flight path from Seattle/Tacoma Intl to Ireland was viewed by 15 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

  • What are the cheapest airlines to fly from Seattle to Ireland one-way?

    To fly one-way, consider booking your trip with Icelandair, which is currently one of the cheapest options available, starting at $357. TAP AIR PORTUGAL flights start at $359 while deals on British Airways start at $414 one-way.

  • What are the most popular routes from Seattle to Ireland?

    The most popular flight routes from Seattle to Ireland are Seattle/Tacoma Intl - Dublin, Seattle/Tacoma Intl - Shannon and Seattle/Tacoma Intl - Cork.

  • What are the most reliable airlines from Seattle to Ireland?

    No one likes to see their flight delayed. When booking a flight from Seattle to Ireland consider choosing American Airlines (78%), Aer Lingus (78%) or British Airways (78%) as they are the most reliable in getting you off to your destination on time.

  • What are the cheapest flights from Seattle to Ireland?

    Looking for the cheapest flight from Seattle to Ireland? While on average our users pay $843, our data indicates the cheapest price to be $551. The most popular route (Seattle/Tacoma Intl - Dublin), is priced around $480.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Seattle to Ireland 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 Ireland?

    Currently, November is the cheapest month in which you can book a flight from Seattle to Ireland (average of $509). Flying from Seattle to Ireland in June is currently the most expensive (average of $1,016). 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.

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Alternative routes for Seattle to Ireland

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Top 10 airlines flying from Seattle to Ireland

Discover the top 10 airlines that operate flights from Seattle to Ireland. 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 January 16, 2025.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest$381Average$624FlexibilityNo cancel feeOn-time76%
Aer LingusCheapest$434Average$770FlexibilityNo cancel feeOn-timeN/A
British AirwaysCheapest$454Average$814FlexibilityNo cancel feeOn-time70%
American AirlinesCheapest$455Average$794FlexibilityNo cancel feeOn-time71%
KLMCheapest$474Average$786FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$480Average$800FlexibilityNo cancel feeOn-time69%
LufthansaCheapest$498Average$710FlexibilityNo cancel feeOn-time76%
DeltaCheapest$505Average$811FlexibilityNo cancel feeOn-timeN/A
Air CanadaCheapest$509Average$744FlexibilityNo cancel feeOn-time67%
Air FranceCheapest$532Average$768FlexibilityNo cancel feeOn-time77%
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