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$254+ 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 1/20. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — DUB
Dec 23 — Dec 301
Mon 12/23
Mon 12/30
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 December 18, 2024.

Round-trip from

$450
(Flightnetwork)

One-way from

$254
(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 December 18, 2024.

This Air Canada deal was found by Cheapflights users on 12/16. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/266:05 amSEA - DUB
1 stop17h 05mAir Canada
Fri 1/109:00 amDUB - SEA
1 stop20h 30mAir Canada
Deal found 12/16$852
This KAYAK deal was found by Cheapflights users on 12/18. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/293:10 pmSEA - DUB
1 stop18h 05mLufthansa
Wed 1/810:45 amDUB - SEA
2 stops57h 25mLufthansa
Deal found 12/18$860
This Air Canada deal was found by Cheapflights users on 12/16. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/266:05 amSEA - DUB
1 stop17h 05mMultiple Airlines
Thu 1/95:15 amDUB - SEA
2 stops24h 15mMultiple Airlines
Deal found 12/16$861
This United Airlines deal was found by Cheapflights users on 12/16. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/266:05 amSEA - DUB
1 stop17h 05mUnited Airlines
Fri 1/109:00 amDUB - SEA
2 stops21h 53mUnited Airlines
Deal found 12/16$862
This Delta deal was found by Cheapflights users on 12/16. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/242:13 pmSEA - DUB
1 stop33h 52mDelta
Fri 1/1010:45 amDUB - SEA
1 stop19h 40mDelta
Deal found 12/16$1,026
This Ovago deal was found by Cheapflights users on 12/16. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/308:00 pmSEA - DUB
Nonstop9h 10mBritish Airways
Tue 1/78:30 pmDUB - SEA
2 stops52h 20mBritish Airways
Deal found 12/16$1,038
This Air France deal was found by Cheapflights users on 12/16. 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 Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/261:35 pmSEA - DUB
1 stop18h 05mAir France
Thu 1/910:45 amDUB - SEA
1 stop19h 40mAir France
Deal found 12/16$1,119
This American Airlines deal was found by Cheapflights users on 12/18. 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 12/298:00 pmSEA - DUB
Nonstop9h 10mAmerican Airlines
Wed 1/812:20 pmDUB - SEA
1 stop19h 06mAmerican Airlines
Deal found 12/18$1,154
This KAYAK deal was found by Cheapflights users on 12/17. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/2310:51 pmSEA - SNN
2 stops52h 39mBritish Airways
Sat 1/115:25 pmSNN - SEA
2 stops37h 44mBritish Airways
Deal found 12/17$1,176
This FlightHub deal was found by Cheapflights users on 12/16. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/267:20 amSEA - DUB
2 stops42h 05mScandinavian Airlines
Thu 1/912:30 pmDUB - SEA
2 stops41h 55mScandinavian Airlines
Deal found 12/16$1,208
This KLM deal was found by Cheapflights users on 12/18. 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.
Thu 12/262:13 pmSEA - DUB
1 stop14h 27mKLM
Sun 12/295:20 pmDUB - SEA
1 stop26h 32mKLM
Deal found 12/18$1,398
This Ovago deal was found by Cheapflights users on 12/16. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/252:35 pmSEA - DUB
1 stop11h 40mIcelandair
Mon 12/3011:30 amDUB - SEA
1 stop13h 30mIcelandair
Deal found 12/16$1,430

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 December 18, 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

SeattleDublin

SEA - DUB

SEADUB

Seattle/Tacoma Intl

Thu 1/23

2:35 pm-10:15 am

1 stop11h 40m

Dublin

Thu 1/30

11:30 am-5:00 pm

1 stop13h 30m

$450

SeattleDublin

SEA - DUB

SEADUB

Seattle/Tacoma Intl

Wed 2/19

8:00 pm-1:10 pm

Nonstop9h 10m

Dublin

Wed 2/26

4:30 pm-6:15 pm

Nonstop9h 45m

$512

SeattleDublin

SEA - DUB

SEADUB

Seattle/Tacoma Intl

Mon 1/20

7:08 am-7:00 am

1 stop15h 52m

Dublin

Wed 1/29

9:00 am-4:16 pm

2 stops39h 16m

$542

SeattleDublin

SEA - DUB

SEADUB

Seattle/Tacoma Intl

Thu 1/23

2:35 pm-9:40 pm

2 stops23h 05m

Dublin

Thu 1/30

6:50 am-5:00 pm

2 stops18h 10m

$546

SeattleDublin

SEA - DUB

SEADUB

Seattle/Tacoma Intl

Sun 1/26

7:05 pm-7:10 am

2 stops52h 05m

Dublin

Wed 2/5

9:00 am-9:30 pm

1 stop20h 30m

$555

SeattleDublin

SEA - DUB

SEADUB

Seattle/Tacoma Intl

Tue 4/1

10:40 pm-6:05 pm

2 stops35h 25m

Dublin

Mon 4/7

6:50 pm-9:30 pm

2 stops34h 40m

$566

SeattleDublin

SEA - DUB

SEADUB

Seattle/Tacoma Intl

Wed 3/5

6:50 pm-5:00 pm

1 stop14h 10m

Dublin

Thu 3/27

10:30 am-5:55 pm

1 stop14h 25m

$567

SeattleDublin

SEA - DUB

SEADUB

Seattle/Tacoma Intl

Wed 1/22

7:10 am-11:40 am

2 stops20h 30m

Dublin

Sun 1/26

10:10 am-10:25 pm

2 stops44h 15m

$574

SeattleDublin

SEA - DUB

SEADUB

Seattle/Tacoma Intl

Sat 3/15

10:32 pm-8:25 am

1 stop26h 53m

Dublin

Tue 4/8

12:00 pm-10:15 pm

1 stop18h 15m

$578

SeattleDublin

SEA - DUB

SEADUB

Seattle/Tacoma Intl

Wed 1/22

3:25 pm-5:50 pm

2 stops18h 25m

Dublin

Tue 1/28

12:55 pm-9:20 pm

2 stops40h 25m

$586

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/17

Showing 1-10 of 42 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 December 18, 2024.

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 December 18, 2024.
Read reviews from past customers who have flown British Airways, Delta and American Airlines 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
8,604 reviews

Overall

8.0

Boarding

8.2

Crew

8.6

Food

7.3

Comfort

7.9

Entertainment

7.9

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
8,604 reviews
Delta
8.0
Very good
8,604 reviews

Overall

8.0

Boarding

8.2

Crew

8.6

Food

7.3

Comfort

7.9

Entertainment

7.9

Reviews

1 / 10

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

KLM
7.8
Good
1,349 reviews
Delta
8.0
Very good
8,604 reviews

Overall

8.0

Boarding

8.2

Crew

8.6

Food

7.3

Comfort

7.9

Entertainment

7.9

Reviews

1 / 10

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

SWISS
7.6
Good
1,606 reviews
Delta
8.0
Very good
8,604 reviews

Overall

8.0

Boarding

8.2

Crew

8.6

Food

7.3

Comfort

7.9

Entertainment

7.9

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
9,059 reviews
Delta
8.0
Very good
8,604 reviews

Overall

8.0

Boarding

8.2

Crew

8.6

Food

7.3

Comfort

7.9

Entertainment

7.9

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
1,309 reviews
Delta
8.0
Very good
8,604 reviews

Overall

8.0

Boarding

8.2

Crew

8.6

Food

7.3

Comfort

7.9

Entertainment

7.9

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 17 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 $305. Scandinavian Airlines flights start at $403 while deals on American Airlines start at $431 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 $1,369, our data indicates the cheapest price to be $444. The most popular route (Seattle/Tacoma Intl - Dublin), is priced around $452.

  • 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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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 December 18, 2024.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest$382Average$612FlexibilityNo cancel feeOn-time76%
Aer LingusCheapest$434Average$766FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$455Average$793FlexibilityNo cancel feeOn-time71%
British AirwaysCheapest$469Average$804FlexibilityNo cancel feeOn-time70%
KLMCheapest$474Average$728FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$480Average$778FlexibilityNo cancel feeOn-time69%
LufthansaCheapest$498Average$703FlexibilityNo cancel feeOn-time76%
Air CanadaCheapest$509Average$743FlexibilityNo cancel feeOn-time67%
DeltaCheapest$513Average$816FlexibilityNo cancel feeOn-timeN/A
Air FranceCheapest$532Average$772FlexibilityNo cancel feeOn-time77%
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