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Cheap flights from Ireland to Seattle from £405

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 26/12. Fares are subject to change and may not be available on all flights or dates of travel.
DUB — SEA
25 Nov — 2 Dec1
1 adult

Cheap flight deals from Ireland to Seattle

Discover tips and strategies to find the most affordable flight options for your journey from Ireland (IE0) to Seattle (SEA). 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 20 November 2024.

Find flight deals from Ireland to Seattle

Cheapest flights from Ireland to Seattle
Explore the most affordable flight options available from Ireland to Seattle. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 20 November 2024.

Fri 6/1216:30DUB - SEA
Nonstop9h 45mMultiple Airlines
Fri 13/1207:00SEA - DUB
1 stop13h 45mMultiple Airlines
Deal found 19/11£415
Thu 5/1211:30DUB - SEA
1 stop13h 30mIcelandair
Mon 9/1214:35SEA - DUB
1 stop11h 40mIcelandair
Deal found 19/11£496
Tue 10/1205:55DUB - SEA
1 stop13h 57mDelta
Tue 17/1206:00SEA - DUB
1 stop18h 25mDelta
Deal found 19/11£502
Mon 16/1216:30DUB - SEA
Nonstop9h 45mAer Lingus
Fri 27/1220:00SEA - DUB
Nonstop9h 10mAer Lingus
Deal found 19/11£503
Mon 25/1119:10DUB - SEA
2 stops35h 52mScandinavian Airlines
Sun 8/1223:28SEA - DUB
2 stops28h 12mScandinavian Airlines
Deal found 20/11£536
Thu 5/1218:00DUB - SEA
2 stops32h 25mLufthansa
Mon 9/1207:00SEA - DUB
2 stops25h 40mLufthansa
Deal found 19/11£564
Wed 27/1109:00DUB - SEA
1 stop20h 40mUnited Airlines
Thu 12/1207:00SEA - DUB
2 stops16h 00mUnited Airlines
Deal found 20/11£577
Mon 30/1205:55DUB - SEA
1 stop13h 57mKLM
Sat 11/107:10SEA - DUB
1 stop17h 35mKLM
Deal found 20/11£953
Wed 20/1104:25DUB - SEA
2 stops38h 00mTAP AIR PORTUGAL
Thu 28/1111:35SEA - DUB
2 stops27h 45mTAP AIR PORTUGAL
Deal found 20/11£1,190

Find flights from Ireland to Seattle within your budget

Customise your flight search to find flights from Ireland to Seattle 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 953,013 searches. Data last updated 20 November 2024.

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Route

Depart

Return

Price

DublinSeattle

DUB - SEA

DUBSEA

Dublin

Fri 6/12

16:30-18:15

Nonstop9h 45m

Seattle/Tacoma Intl

Fri 13/12

07:00-04:45

1 stop13h 45m

£415

DublinSeattle

DUB - SEA

DUBSEA

Dublin

Thu 16/1

11:30-17:00

1 stop13h 30m

Seattle/Tacoma Intl

Mon 20/1

14:35-10:15

1 stop11h 40m

£418

DublinSeattle

DUB - SEA

DUBSEA

Dublin

Sat 17/5

10:15-22:57

2 stops20h 42m

Seattle/Tacoma Intl

Wed 4/6

16:00-18:15

1 stop18h 15m

£462

DublinSeattle

DUB - SEA

DUBSEA

Dublin

Tue 10/12

05:55-11:52

1 stop13h 57m

Seattle/Tacoma Intl

Tue 17/12

06:00-08:25

1 stop18h 25m

£502

DublinSeattle

DUB - SEA

DUBSEA

Dublin

Mon 16/12

16:30-18:15

Nonstop9h 45m

Seattle/Tacoma Intl

Fri 27/12

20:00-13:10

Nonstop9h 10m

£503

DublinSeattle

DUB - SEA

DUBSEA

Dublin

Thu 24/4

10:55-22:49

1 stop19h 54m

Seattle/Tacoma Intl

Mon 12/5

10:38-08:45

1 stop14h 07m

£528

DublinSeattle

DUB - SEA

DUBSEA

Dublin

Thu 5/12

18:00-18:25

2 stops32h 25m

Seattle/Tacoma Intl

Mon 9/12

07:00-16:40

2 stops25h 40m

£564

DublinSeattle

DUB - SEA

DUBSEA

Dublin

Fri 6/12

09:00-00:50

2 stops23h 50m

Seattle/Tacoma Intl

Fri 13/12

23:59-10:05

2 stops26h 06m

£579

DublinSeattle

DUB - SEA

DUBSEA

Dublin

Fri 9/5

06:30-11:35

1 stop13h 05m

Seattle/Tacoma Intl

Fri 30/5

18:50-11:55

Nonstop9h 05m

£744

DublinSeattle

DUB - SEA

DUBSEA

Dublin

Wed 30/4

10:45-09:28

2 stops30h 43m

Seattle/Tacoma Intl

Mon 19/5

23:19-10:00

2 stops26h 41m

£924

Flights are sorted by cheapest return flights first.

Deals found on 19/11

Showing 1-10 of 20 results
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Best time to book a flight from Ireland to Seattle

Have a flexible travel schedule? Discover the best time to fly to Seattle from Ireland with our price prediction graph.
Estimated return 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 Ireland to Seattle

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

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

Currently, January is the cheapest month in which you can book a flight from Ireland to Seattle (average of £616). Flying from Ireland to Seattle in July is currently the most expensive (average of £841). 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 IE to SEA?

Find hourly flight availability from Ireland to Seattle. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 20 November 2024.

When flying from Ireland to Seattle, 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 Seattle by month

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

In terms of precipitation, rainfall in Seattle ranges from 18.0 - 168.0 inches per month. November is typically the wettest month, when rainfall can reach 168.0 mm. July is typically the driest time to visit Seattle when rainfall is around 18.0 mm.

Temperature in Seattle by month

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

If weather is an important factor for your trip to Seattle, 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 19.0 C. Travellers hoping to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 5.0 C).

Reviews of airlines servicing Seattle

Get insights into the airlines that provide service to Seattle. 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 Seattle. Reviews last updated 20 November 2024.
Read through reviews of airlines operating flights from Ireland to Seattle, such as Scandinavian Airlines, Aer Lingus and Lufthansa. 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
8,758 reviews
Check prices

Entertainment

7.9

Boarding

8.2

Crew

8.5

Comfort

7.9

Food

7.3

Overall

8.0

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Delta
8.0
Very Good
8,758 reviews
Delta
8.0
Very Good
8,758 reviews
Check prices

Entertainment

7.9

Boarding

8.2

Crew

8.5

Comfort

7.9

Food

7.3

Overall

8.0

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

KLM
7.8
Good
1,350 reviews
Delta
8.0
Very Good
8,758 reviews
Check prices

Entertainment

7.9

Boarding

8.2

Crew

8.5

Comfort

7.9

Food

7.3

Overall

8.0

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

JetBlue
7.5
Good
3,396 reviews
Delta
8.0
Very Good
8,758 reviews
Check prices

Entertainment

7.9

Boarding

8.2

Crew

8.5

Comfort

7.9

Food

7.3

Overall

8.0

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

United Airlines
7.4
Good
9,172 reviews
Delta
8.0
Very Good
8,758 reviews
Check prices

Entertainment

7.9

Boarding

8.2

Crew

8.5

Comfort

7.9

Food

7.3

Overall

8.0

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Turkish Airlines
7.4
Good
3,914 reviews
Delta
8.0
Very Good
8,758 reviews
Check prices

Entertainment

7.9

Boarding

8.2

Crew

8.5

Comfort

7.9

Food

7.3

Overall

8.0

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Related info for your journey

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

    For a flight from Ireland to Seattle, you will be flying into Seattle/Tacoma Intl. Seattle/Tacoma Intl (SEA) is just 11.4 mi from the center of the city.

  • How popular is this Ireland to Seattle flight route?

    Flights from Ireland to Seattle/Tacoma Intl have been viewed 58 times in the past calendar month.

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

    The cheapest airline one-way is Icelandair, with whom users have recently found tickets for as low as £405. However, be on the lookout for offers from Aer Lingus and WestJet, as they are both options that can get you from Ireland to Seattle for a low price.

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

    Before booking your flight to Seattle from Ireland, check out the most reliable airlines to get you to your destination on time: American Airlines (51%), Aer Lingus (51%), British Airways( 51%).

  • What are the cheapest flights from Ireland to Seattle?

    The cheapest flight price from Ireland to Seattle is £499. On average you can expect to pay £571. The most popular route, (Dublin - Seattle/Tacoma Intl), can usually be booked for £399.

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

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

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

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

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

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

    Currently, January is the cheapest month in which you can book a flight from Ireland to Seattle (average of £616). Flying from Ireland to Seattle in July is currently the most expensive (average of £841). 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

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Alternative routes for Ireland to Seattle

See prices for flight routes from nearby airports that may be better suited for you.
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Top 4 airlines flying from Ireland to Seattle

Discover the top 4 airlines that operate flights from Ireland to Seattle. 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 953,013 searches. Data last updated 20 November 2024.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest£234Average£256FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
British AirwaysCheapest£265Average£697FlexibilityNo cancel feeOn-time70%
Search British Airways flights
Aer LingusCheapest£361Average£632FlexibilityNo cancel feeOn-timeN/A
Search Aer Lingus flights
IcelandairCheapest£391Average£547FlexibilityNo cancel feeOn-time76%
Search Icelandair flights

Fly with Cheapflights

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

Cheapflights helps you search for flights from Ireland to Seattle via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

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

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from Ireland to Seattle.

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

Yes, we can. To see specific flights from Ireland to Seattle with no change fees, users can toggle flexible booking options after using the search form above to find flights.

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

Of course! You can now track prices for flights from Ireland to Seattle and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.

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