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Cheap flights from Ireland to Seattle from £388

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/11. Fares are subject to change and may not be available on all flights or dates of travel.
DUB — SEA
23 Oct — 30 Oct1
1 adult

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 18 October 2024.

Sun 10/1116:30DUB - SEA
Nonstop9h 45mMultiple Airlines
Mon 18/1123:06SEA - DUB
1 stop22h 09mMultiple Airlines
Deal found 16/10£388
Thu 7/1112:30DUB - SEA
2 stops41h 51mScandinavian Airlines
Thu 14/1107:10SEA - DUB
2 stops20h 30mScandinavian Airlines
Deal found 16/10£456
Tue 24/1211:30DUB - SEA
1 stop13h 30mIcelandair
Thu 9/114:35SEA - DUB
1 stop11h 40mIcelandair
Deal found 16/10£477
Wed 6/1105:55DUB - SEA
1 stop13h 45mDelta
Wed 13/1112:35SEA - DUB
1 stop19h 05mDelta
Deal found 16/10£497
Sun 10/1116:30DUB - SEA
Nonstop9h 45mAer Lingus
Mon 18/1120:00SEA - DUB
Nonstop9h 10mAer Lingus
Deal found 17/10£503
Mon 23/1213:25DUB - SEA
1 stop30h 27mKLM
Thu 9/107:20SEA - DUB
1 stop17h 25mKLM
Deal found 15/10£537
Wed 27/1109:00DUB - SEA
2 stops34h 33mUnited Airlines
Wed 4/1206:25SEA - DUB
3 stops19h 40mUnited Airlines
Deal found 16/10£575
Fri 25/1012:30DUB - SEA
1 stop15h 38mLufthansa
Sun 3/1115:10SEA - DUB
1 stop18h 05mLufthansa
Deal found 16/10£607
Mon 23/1220:10DUB - SEA
1 stop23h 10mBritish Airways
Mon 13/118:50SEA - DUB
1 stop14h 15mBritish Airways
Deal found 16/10£616
Mon 21/1018:45DUB - SEA
2 stops31h 42mSWISS
Mon 28/1013:55SEA - DUB
2 stops39h 10mSWISS
Deal found 16/10£676
Wed 6/1104:25DUB - SEA
2 stops26h 12mTAP AIR PORTUGAL
Thu 14/1111:40SEA - DUB
2 stops27h 40mTAP AIR PORTUGAL
Deal found 16/10£971

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 1,032,784 searches. Data last updated 18 October 2024.

Fly from

Any airport

Fly to

Any airport

Budget

£388 - £971

Route

Depart

Return

Price

DublinSeattle/Tacoma Intl

DUB - SEA

DUBSEA

Dublin

Sun 10/11

Nonstop9h 45m

Seattle/Tacoma Intl

Mon 18/11

1 stop22h 09m

£388

DublinSeattle/Tacoma Intl

DUB - SEA

DUBSEA

Dublin

Sun 19/1

1 stop13h 30m

Seattle/Tacoma Intl

Sat 1/2

1 stop11h 40m

£445

DublinSeattle/Tacoma Intl

DUB - SEA

DUBSEA

Dublin

Thu 7/11

2 stops41h 51m

Seattle/Tacoma Intl

Thu 14/11

2 stops20h 30m

£456

DublinSeattle/Tacoma Intl

DUB - SEA

DUBSEA

Dublin

Wed 6/11

1 stop13h 45m

Seattle/Tacoma Intl

Wed 13/11

1 stop19h 05m

£497

DublinSeattle/Tacoma Intl

DUB - SEA

DUBSEA

Dublin

Sun 10/11

Nonstop9h 45m

Seattle/Tacoma Intl

Mon 18/11

Nonstop9h 10m

£503

DublinSeattle/Tacoma Intl

DUB - SEA

DUBSEA

Dublin

Sun 19/1

1 stop14h 10m

Seattle/Tacoma Intl

Sun 2/2

1 stop12h 15m

£533

DublinSeattle/Tacoma Intl

DUB - SEA

DUBSEA

Dublin

Mon 23/12

1 stop30h 27m

Seattle/Tacoma Intl

Thu 9/1

1 stop17h 25m

£537

DublinSeattle/Tacoma Intl

DUB - SEA

DUBSEA

Dublin

Wed 27/11

2 stops34h 33m

Seattle/Tacoma Intl

Wed 4/12

3 stops19h 40m

£575

DublinSeattle/Tacoma Intl

DUB - SEA

DUBSEA

Dublin

Sun 19/1

2 stops21h 25m

Seattle/Tacoma Intl

Mon 27/1

1 stop18h 40m

£577

DublinSeattle/Tacoma Intl

DUB - SEA

DUBSEA

Dublin

Wed 6/11

2 stops26h 12m

Seattle/Tacoma Intl

Thu 14/11

2 stops27h 40m

£971

Flights are sorted by cheapest first

Deals found on 16/10

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, February is the cheapest month in which you can book a flight from Ireland to Seattle (average of £609). Flying from Ireland to Seattle in July is currently the most expensive (average of £838). 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 18 October 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 18 October 2024.
Read through reviews of airlines operating flights from Ireland to Seattle, such as Aer Lingus, United Airlines 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
8,908 reviews
Check prices

Entertainment

8.0

Boarding

8.2

Overall

8.0

Comfort

7.9

Food

7.4

Crew

8.6

Reviews

1 / 10

Overall it was good on the flight. Before the flight with checking the bag at JFK was a nightmare. It took way too long and the Delta concierge was very rude to everyone. But other than that it was fine.

Delta
8.0
Very Good
8,908 reviews
Delta
8.0
Very Good
8,908 reviews
Check prices

Entertainment

8.0

Boarding

8.2

Overall

8.0

Comfort

7.9

Food

7.4

Crew

8.6

Reviews

1 / 10

Overall it was good on the flight. Before the flight with checking the bag at JFK was a nightmare. It took way too long and the Delta concierge was very rude to everyone. But other than that it was fine.

KLM
7.8
Good
1,361 reviews
Delta
8.0
Very Good
8,908 reviews
Check prices

Entertainment

8.0

Boarding

8.2

Overall

8.0

Comfort

7.9

Food

7.4

Crew

8.6

Reviews

1 / 10

Overall it was good on the flight. Before the flight with checking the bag at JFK was a nightmare. It took way too long and the Delta concierge was very rude to everyone. But other than that it was fine.

Turkish Airlines
7.4
Good
3,856 reviews
Delta
8.0
Very Good
8,908 reviews
Check prices

Entertainment

8.0

Boarding

8.2

Overall

8.0

Comfort

7.9

Food

7.4

Crew

8.6

Reviews

1 / 10

Overall it was good on the flight. Before the flight with checking the bag at JFK was a nightmare. It took way too long and the Delta concierge was very rude to everyone. But other than that it was fine.

United Airlines
7.4
Good
9,313 reviews
Delta
8.0
Very Good
8,908 reviews
Check prices

Entertainment

8.0

Boarding

8.2

Overall

8.0

Comfort

7.9

Food

7.4

Crew

8.6

Reviews

1 / 10

Overall it was good on the flight. Before the flight with checking the bag at JFK was a nightmare. It took way too long and the Delta concierge was very rude to everyone. But other than that it was fine.

Scandinavian Airlines
7.3
Good
1,306 reviews
Delta
8.0
Very Good
8,908 reviews
Check prices

Entertainment

8.0

Boarding

8.2

Overall

8.0

Comfort

7.9

Food

7.4

Crew

8.6

Reviews

1 / 10

Overall it was good on the flight. Before the flight with checking the bag at JFK was a nightmare. It took way too long and the Delta concierge was very rude to everyone. But other than that it was fine.

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 55 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 £447. However, be on the lookout for offers from WestJet and TAP AIR PORTUGAL, 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 (61%), Aer Lingus (61%), British Airways( 61%).

  • What are the cheapest flights from Ireland to Seattle?

    The cheapest flight price from Ireland to Seattle is £524. On average you can expect to pay £616. The most popular route, (Dublin - Seattle/Tacoma Intl), can usually be booked for £506.

  • 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, February is the cheapest month in which you can book a flight from Ireland to Seattle (average of £609). Flying from Ireland to Seattle in July is currently the most expensive (average of £838). 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 1,032,784 searches. Data last updated 18 October 2024.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest£228Average£250FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
British AirwaysCheapest£258Average£652FlexibilityNo cancel feeOn-time70%
Search British Airways flights
Aer LingusCheapest£352Average£600FlexibilityNo cancel feeOn-timeN/A
Search Aer Lingus flights
IcelandairCheapest£357Average£509FlexibilityNo cancel feeOn-time76%
Search Icelandair flights

Fly with Cheapflights

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

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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