Find flights
Deals
When to book
Airlines
FAQs

Cheap flights from Seattle to Ireland from C$ 428

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 24/1. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — DUB
26 Dec — 2 Jan1
1 adult

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 21 December 2024.

Round-trip from

C$ 716

One-way from

C$ 428
Icelandair
  • Icelandair
  • 14/1-24/1
  • 2 total stops
  • 25h 10m total
  • Seattle to Ireland
Search Deals
24/1
  • 24/1
  • 3 total stops
  • 24h 15m total
  • Seattle to Ireland
Search Deals

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 21 December 2024.

Fri 27/1211:35 p.m.SEA - DUB
1 stop24h 50mDelta
Mon 30/1211:30 a.m.DUB - SEA
1 stop18h 55mDelta
Deal found 21/12C$ 1,775
Sat 28/1211:51 p.m.SEA - DUB
2 stops26h 14mUnited Airlines
Wed 1/111:50 a.m.DUB - SEA
2 stops42h 58mUnited Airlines
Deal found 20/12C$ 1,803
Wed 25/122:35 p.m.SEA - DUB
1 stop11h 40mIcelandair
Tue 31/1211:30 a.m.DUB - SEA
1 stop13h 30mIcelandair
Deal found 21/12C$ 2,615
Wed 25/127:40 a.m.SEA - DUB
1 stop16h 45mAir France
Tue 31/128:55 a.m.DUB - SEA
2 stops41h 25mAir France
Deal found 21/12C$ 2,635
Fri 20/127:00 p.m.SEA - DUB
1 stop30h 55mTurkish Airlines
Mon 23/124:55 p.m.DUB - SEA
1 stop32h 10mTurkish Airlines
Deal found 20/12C$ 3,868
Tue 24/1212:31 a.m.SEA - DUB
1 stop20h 44mAer Lingus
Tue 31/123:20 p.m.DUB - SEA
1 stop16h 11mAer Lingus
Deal found 20/12C$ 4,006
Fri 27/121:50 p.m.SEA - DUB
2 stops36h 30mMultiple Airlines
Sun 5/14:25 a.m.DUB - SEA
2 stops27h 09mMultiple Airlines
Deal found 21/12C$ 4,954

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 629,999 searches. Data last updated 21 December 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

SeattleDublin

SEA - DUB

SEADUB

Seattle/Tacoma Intl

Tue 14/1

2:35 p.m.-10:15 a.m.

1 stop11h 40m

Dublin

Fri 24/1

11:30 a.m.-5:00 p.m.

1 stop13h 30m

C$ 716

SeattleDublin

SEA - DUB

SEADUB

Seattle/Tacoma Intl

Sun 19/1

11:59 p.m.-7:00 a.m.

2 stops23h 01m

Dublin

Wed 29/1

9:00 a.m.-4:16 p.m.

2 stops39h 16m

C$ 786

SeattleDublin

SEA - DUB

SEADUB

Seattle/Tacoma Intl

Tue 21/1

3:25 p.m.-7:00 a.m.

2 stops31h 35m

Dublin

Wed 12/2

9:00 a.m.-9:57 a.m.

2 stops32h 57m

C$ 795

SeattleDublin

SEA - DUB

SEADUB

Seattle/Tacoma Intl

Mon 31/3

10:40 p.m.-10:00 a.m.

2 stops27h 20m

Dublin

Mon 7/4

6:50 p.m.-9:30 p.m.

2 stops34h 40m

C$ 802

SeattleDublin

SEA - DUB

SEADUB

Seattle/Tacoma Intl

Sun 9/2

7:10 a.m.-8:45 a.m.

1 stop17h 35m

Dublin

Wed 19/2

10:45 a.m.-10:25 p.m.

1 stop19h 40m

C$ 805

SeattleDublin

SEA - DUB

SEADUB

Seattle/Tacoma Intl

Sun 16/2

6:50 p.m.-7:35 p.m.

1 stop16h 45m

Dublin

Mon 24/2

8:30 p.m.-11:20 a.m.

1 stop22h 50m

C$ 815

SeattleDublin

SEA - DUB

SEADUB

Seattle/Tacoma Intl

Wed 5/3

12:00 p.m.-9:45 a.m.

1 stop13h 45m

Dublin

Wed 12/3

10:45 a.m.-7:33 p.m.

1 stop15h 48m

C$ 818

SeattleDublin

SEA - DUB

SEADUB

Seattle/Tacoma Intl

Sun 9/2

6:50 p.m.-3:40 p.m.

1 stop12h 50m

Dublin

Wed 19/2

4:30 p.m.-6:15 p.m.

Nonstop9h 45m

C$ 898

SeattleDublin

SEA - DUB

SEADUB

Seattle/Tacoma Intl

Fri 31/1

3:10 p.m.-5:15 p.m.

1 stop18h 05m

Dublin

Thu 6/2

5:25 p.m.-1:20 p.m.

2 stops27h 55m

C$ 966

SeattleDublin

SEA - DUB

SEADUB

Seattle/Tacoma Intl

Mon 13/1

12:50 p.m.-12:05 p.m.

2 stops39h 15m

Dublin

Mon 20/1

1:20 p.m.-9:20 p.m.

2 stops40h 00m

C$ 997

Flights are sorted by cheapest round-trip flights first.

Deals found on 20/12

Showing 1-10 of 18 results
1
2

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, January is the cheapest month in which you can book a flight from Seattle to Ireland (average of C$ 458). Flying from Seattle to Ireland in December is currently the most expensive (average of C$ 760). 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 21 December 2024.

When flying from Seattle to Ireland, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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 49.0 - 79.0 mm per month. October is typically the wettest month, when rainfall can reach 79.0 mm. February is typically the driest time to visit Ireland when rainfall is around 49.0 mm.

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 16.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 5.0 C).

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 21 December 2024.
See what other customers who have flown with Delta, United Airlines and Aer Lingus from Seattle to Ireland have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
8,597 reviews
Check prices

Comfort

8.0

Crew

8.6

Overall

8.0

Entertainment

7.9

Food

7.3

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
8,597 reviews
Delta
8.0
Very good
8,597 reviews
Check prices

Comfort

8.0

Crew

8.6

Overall

8.0

Entertainment

7.9

Food

7.3

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
1,344 reviews
Delta
8.0
Very good
8,597 reviews
Check prices

Comfort

8.0

Crew

8.6

Overall

8.0

Entertainment

7.9

Food

7.3

Boarding

8.2

Reviews

1 / 10

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

SWISS
7.6
Good
1,604 reviews
Delta
8.0
Very good
8,597 reviews
Check prices

Comfort

8.0

Crew

8.6

Overall

8.0

Entertainment

7.9

Food

7.3

Boarding

8.2

Reviews

1 / 10

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

JetBlue
7.4
Good
3,266 reviews
Delta
8.0
Very good
8,597 reviews
Check prices

Comfort

8.0

Crew

8.6

Overall

8.0

Entertainment

7.9

Food

7.3

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
1,501 reviews
Delta
8.0
Very good
8,597 reviews
Check prices

Comfort

8.0

Crew

8.6

Overall

8.0

Entertainment

7.9

Food

7.3

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?

    If you book a flight to Ireland from Seattle, you will be flying from Seattle/Tacoma Intl, which is the city’s only airport. Seattle/Tacoma Intl (SEA) is located 18.4 km from the centre of Seattle.

  • How popular is this Seattle to Ireland flight route?

    This flight path from Seattle/Tacoma Intl to Ireland was viewed by 29 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?

    The cheapest airlines for a one-way flight from Seattle to Ireland are Icelandair (C$ 566), KLM (C$ 622), and United Airlines (C$ 638).

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

    Before booking your flight to Ireland from Seattle, check out the most reliable airlines to get you to your destination on time: American Airlines (78%), Aer Lingus (78%), British Airways( 78%).

  • 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, January is the cheapest month in which you can book a flight from Seattle to Ireland (average of C$ 458). Flying from Seattle to Ireland in December is currently the most expensive (average of C$ 760). 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

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Top 5 airlines flying from Seattle to Ireland

Discover the top 5 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 629,999 searches. Data last updated 21 December 2024.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapestC$ 402AverageC$ 785FlexibilityNo cancel feeOn-time70%
Search British Airways flights
Aer LingusCheapestC$ 592AverageC$ 1,027FlexibilityNo cancel feeOn-timeN/A
Search Aer Lingus flights
IcelandairCheapestC$ 601AverageC$ 839FlexibilityNo cancel feeOn-time76%
Search Icelandair flights
United AirlinesCheapestC$ 632AverageC$ 794FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
American AirlinesCheapestC$ 703AverageC$ 993FlexibilityNo cancel feeOn-time71%
Search American Airlines flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Seattle to Ireland?

When you search for this flight from Seattle to Ireland, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

Why should you use Cheapflights to find cheap flight tickets from Seattle to Ireland?

Cheapflights simply makes it quick and affordable to book flights from Seattle to Ireland by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

Can Cheapflights find flights from Seattle to Ireland with no change fees?

Yes! Cheapflights helps users easily find flights from Seattle to Ireland with no change fees.

Can Cheapflights notify me if prices for flights from Seattle to Ireland become cheaper?

Yes! Start tracking prices for Seattle to Ireland flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

100% Free
Cheapflights is completely free to use, so you can start saving the moment you arrive.
Book with Flexibility
Our users can plan ahead with confidence and find flights with no change fees
Travel Smart
Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.