Cheap flights from Ireland to Seattle

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How to find the cheapest flight from
Ireland to Seattle (SEA)

How far in advance should I book a flight from Ireland to Seattle?

To save on the cost of your flight from Ireland to Seattle, book at least 52 days before your planned departure. Booking around this time can save you about 51% on the cost of this flight compared to booking a flight leaving this week. We have found prices from £444 if you need a flight within two weeks. For flights within the next 72 hours, you can find tickets from as low as £582.

What is the cheapest month to fly from Ireland to Seattle?

Our data shows that February tends to be the cheapest month to fly to Seattle from Ireland. Users have commonly found prices around £392 for the month, but tickets can be as low as £258. Due to multiple factors, prepare for potentially higher prices in July.

Cheap flights from Ireland to Seattle in March, April 2021

15 Mar - 31 Mar
£469pp
DUB
Dublin
KLM
 
1 STOP
SEA
Seattle/Tacoma Intl
SEA
Seattle/Tacoma Intl
KLM
 
1 STOP
DUB
Dublin
15 Mar - 31 Mar
£473pp
DUB
Dublin
KLM
   
2 STOPS
SEA
Seattle/Tacoma Intl
SEA
Seattle/Tacoma Intl
KLM
 
1 STOP
DUB
Dublin
15 Mar - 31 Mar
£479pp
DUB
Dublin
KLM
   
2 STOPS
SEA
Seattle/Tacoma Intl
SEA
Seattle/Tacoma Intl
KLM
   
2 STOPS
DUB
Dublin

Ireland to Seattle 2021 flight deals

22 Apr - 26 Apr
£309pp
DUB
Dublin
Icelandair
 
1 STOP
SEA
Seattle/Tacoma Intl
SEA
Seattle/Tacoma Intl
Icelandair
 
1 STOP
DUB
Dublin
31 Aug - 21 Sep
£380pp
DUB
Dublin
Aer Lingus
Direct
SEA
Seattle/Tacoma Intl
SEA
Seattle/Tacoma Intl
Aer Lingus
Direct
DUB
Dublin
2 Dec - 8 Dec
£422pp
DUB
Dublin
Icelandair
 
1 STOP
SEA
Seattle/Tacoma Intl
SEA
Seattle/Tacoma Intl
Icelandair
 
1 STOP
DUB
Dublin

Direct flights to Seattle from Ireland

27 Jul - 17 Aug
£681pp
DUB
Dublin
Aer Lingus
Direct
SEA
Seattle/Tacoma Intl
SEA
Seattle/Tacoma Intl
Aer Lingus
Direct
DUB
Dublin
27 Jul - 17 Aug
£687pp
DUB
Dublin
Aer Lingus
Direct
SEA
Seattle/Tacoma Intl
SEA
Seattle/Tacoma Intl
Aer Lingus
Direct
DUB
Dublin

One-way flights to Seattle from Ireland

08:15 - 13:55
Icelandair
1 stop
13h 40m
DUB - SEA
Icelandair
£335
Kiwi.com
16:45 - 07:33
KLM
1 stop
22h 48m
DUB - SEA
KLM
£347
KLM
06:30 - 18:03
Lufthansa
2 stops
19h 33m
DUB - SEA
Lufthansa
£349
Lufthansa

Related info for your journey

Flight FAQs

From Ireland to Seattle

Are flight prices decreasing from Ireland to Seattle due to COVID-19 (coronavirus)?

At this time, Cheapflights has noticed price decreases for many domestic flights due to COVID-19. Travel is not necessarily recommended at this time, and flights may be prone to cancellation: please check with local authorities in both Ireland and Seattle for travel alerts, and be sure to review the airline's cancellation policy and travel advisories before booking. For more information, please view our post on what to know about COVID-19 (coronavirus) and travel.

What safety measures are being taken by airlines flying from Ireland to Seattle/Tacoma Intl to control the spread of COVID-19?

New policies can now be found on Delta to help keep travellers safe while flying. New policies for travellers booking flights from Ireland to Seattle/Tacoma Intl include masks being provided and required on board, daily cleaning and sanitisation, use of HEPA filters, pre-flight testing for antibodies and symptoms, and socially-distanced seating (for a limited time). Keep in mind that policies will vary by airline.

Which airlines flying from Ireland to Seattle/Tacoma Intl have flexible cancellations due to COVID-19?

Due to the rapidly changing circumstances due to COVID-19, airlines like Aer Lingus, Icelandair, and British Airways flying from Ireland to Seattle/Tacoma Intl have implemented new flexible cancellation policies.

Can I find flights from Ireland to Seattle for under £359 on Cheapflights?

Yes, there are multiple flights from Ireland to Seattle for under £359. The cheapest flight booked recently is on Icelandair for just £309, but on average you can expect to pay £517.

Are there direct flights from Ireland to Seattle for under £718 on Cheapflights?

Cheapflights has 2 direct flights from Ireland to Seattle under £718. A good price for a direct flight from Ireland to Seattle is less than £684.

What are the most popular airlines that fly from Ireland to Seattle?

When booking a flight from Ireland to Seattle, you may want to consider flying on Air Canada, Air France or British Airways as they are the most popular for this route.

What are the cheapest flights from Ireland to Seattle?

Looking at all options, your cheapest flight can be booked for £335. While the most popular route (Dublin - Seattle/Tacoma Intl) can be booked for £376 on average our data indicates £1,013 when flying from Ireland to Seattle

How long does is the flight from Ireland to Seattle?

There are many flights that can get you from Ireland to Seattle in 9h 40m. Fly via Aer Lingus, Air Canada, or KLM to get the fastest option. Both multi-stop and direct flights can be found to your destination and back.

What are the cheapest airlines to flying from Ireland to Seattle return?

According to our current data, Icelandair (£309), Aer Lingus (£440), and KLM (£470) offers the cheapest pricing from Ireland to Seattle.

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

One-way options have recently been found by users for as low as £257 on KLM. Other airlines that offer cheap prices include Icelandair from £335 and Lufthansa from £349 one-way.

Departure points for flights from Ireland to Seattle

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Destination information for Seattle

Today's exchange rate
£1 = $1.40
Average temperature for March in Seattle
13.0 °C
Avg rainfall for March in Seattle
97.0 mm

Airports servicing

Dublin (DUB)
Galway (GWY)
Knock (NOC)
Cork (ORK)
Shannon (SNN)

Airports servicing Seattle

Top 8 airlines flying from Ireland to Seattle

Airline Cheapest Average Flexibility On-time COVID-19 safety
Air Canada
£386 £565 No cancel fee 67%
Search Air Canada flights
Air France
£428 £569 No cancel fee 77%
Search Air France flights
KLM
£401 £636 No cancel fee 75%
Search KLM flights
Icelandair
£381 £666 No cancel fee 76%
Search Icelandair flights
British Airways
£501 £685 No cancel fee 70%
Search British Airways flights
Aer Lingus
£411 £739 No cancel fee N/A
Search Aer Lingus flights
United Airlines
£389 £745 No cancel fee 69%
Search United Airlines flights
Delta
£494 £759 No cancel fee N/A
Search Delta flights
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