Cheap flights from Ireland to Seattle

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

All the information you need to plan the best null to SEA flight in 2022: compare Ireland to Seattle flight prices with the expected peak season, weather and rainfall in Seattle.
How far in advance should I book a flight from Ireland to Seattle?

Find a great deal and save up to 75% by booking at least 57 days prior to your desired departure date, rather than waiting until the week of travel. According to our data, there are a number of flights available from Ireland to Seattle within the next two weeks, with the cheapest ticket starting at £543.

When is the cheapest time to fly from Ireland to Seattle (IE - SEA)?

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.

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

February is one of the best times of the year to fly to Seattle from Ireland. Prices for February average £467 per person but you can even find prices for as low as £305. The most expensive prices can be found in the month of July. Opting for a February flight can save you 44% on your journey compared to booking in July

Cheap flights from Ireland to Seattle in May, June 2022

The best prices found for Ireland to SEA flights in May, June
16 Jun - 31 Aug
£482pp
DUB
Dublin
Icelandair
 
1 STOP
SEA
Seattle/Tacoma Intl
SEA
Seattle/Tacoma Intl
Icelandair
 
1 STOP
DUB
Dublin
9 Jun - 2 Sep
£484pp
DUB
Dublin
Icelandair
 
1 STOP
SEA
Seattle/Tacoma Intl
SEA
Seattle/Tacoma Intl
Icelandair
 
1 STOP
DUB
Dublin
16 Jun - 1 Sep
£492pp
DUB
Dublin
Multiple airlines
 
1 STOP
SEA
Seattle/Tacoma Intl
SEA
Seattle/Tacoma Intl
Aer Lingus
Direct
DUB
Dublin

Ireland to Seattle 2022 flight deals

Cheap flights to Seattle from Ireland found for this year
8 Sep - 24 Sep
£309pp
DUB
Dublin
Aer Lingus
Direct
SEA
Seattle/Tacoma Intl
SEA
Seattle/Tacoma Intl
Aer Lingus
Direct
DUB
Dublin
17 Sep - 1 Oct
£346pp
DUB
Dublin
Aer Lingus
Direct
SEA
Seattle/Tacoma Intl
SEA
Seattle/Tacoma Intl
Aer Lingus
Direct
DUB
Dublin
3 Sep - 14 Sep
£392pp
DUB
Dublin
Multiple airlines
 
1 STOP
SEA
Seattle/Tacoma Intl
SEA
Seattle/Tacoma Intl
Multiple Airlines
 
1 STOP
DUB
Dublin

Direct flights to Seattle from Ireland

Save time with Ireland to Seattle direct flight deals
8 Sep - 24 Sep
£309pp
DUB
Dublin
Aer Lingus
Direct
SEA
Seattle/Tacoma Intl
SEA
Seattle/Tacoma Intl
Aer Lingus
Direct
DUB
Dublin
17 Sep - 1 Oct
£346pp
DUB
Dublin
Aer Lingus
Direct
SEA
Seattle/Tacoma Intl
SEA
Seattle/Tacoma Intl
Aer Lingus
Direct
DUB
Dublin
19 Jul - 2 Aug
£568pp
DUB
Dublin
Aer Lingus
Direct
SEA
Seattle/Tacoma Intl
SEA
Seattle/Tacoma Intl
Aer Lingus
Direct
DUB
Dublin

Last-minute flights from Ireland to Seattle

Late deals on return flights to Seattle from Ireland, departing today and this week
31 May - 4 Jun
£569pp
DUB
Dublin
Icelandair
 
1 STOP
SEA
Seattle/Tacoma Intl
SEA
Seattle/Tacoma Intl
Icelandair
 
1 STOP
DUB
Dublin
31 May - 4 Jun
£677pp
DUB
Dublin
Delta
   
2 STOPS
SEA
Seattle/Tacoma Intl
SEA
Seattle/Tacoma Intl
Delta
 
1 STOP
DUB
Dublin
31 May - 4 Jun
£729pp
DUB
Dublin
Air Canada
   
2 STOPS
SEA
Seattle/Tacoma Intl
SEA
Seattle/Tacoma Intl
Air Canada
   
2 STOPS
DUB
Dublin

One-way flights to Seattle/Tacoma Intl from Ireland

The cheapest one-way flights from Ireland to Seattle
08:15 - 17:15
Icelandair
1 stop
17h 00m
DUB - SEA
Icelandair
£358
StudentUniverse
07:10 - 18:25
KLM
1 stop
19h 15m
DUB - SEA
KLM
£576
KLM
06:20 - 04:35
WestJet
2 stops
30h 15m
DUB - SEA
WestJet
£592
WestJet

Related info for your journey

Useful info, stats and facts about <span class="emphasized">Ireland</span> to <span class="emphasized">Seattle</span> flights.

Flight FAQs

From Ireland to Seattle

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.

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, British Airways, and Icelandair flying from Ireland to Seattle/Tacoma Intl have implemented new flexible cancellation policies.

Can I find flights from Ireland to Seattle for under £400 on Cheapflights?

Yes, there are multiple flights from Ireland to Seattle for under £400. The cheapest flight booked recently is on Aer Lingus for just £309, but on average you can expect to pay £451.

Are there nonstop flights from Ireland to Seattle for under £400 on Cheapflights?

Cheapflights has at least 10 direct flights from Ireland to Seattle under £400. A good price for a nonstop flight from Ireland to Seattle is less than £1,118.

Are there last-minute flights available from Ireland to Seattle for under £600?

There are currently 5+ open flights from Ireland to Seattle within the next 7 days for less than £600.

How popular is this Ireland to Seattle flight route?

Flights from Ireland to Seattle/Tacoma Intl have been viewed 145 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 £319. However, be on the lookout for offers from WestJet and Delta, as they are both options that can get you from Ireland to Seattle for a low price.

What are the cheapest flights from Ireland to Seattle?

The cheapest flight price from Ireland to Seattle is £405. On average you can expect to pay £869. The most popular route, (Dublin - Seattle/Tacoma Intl), can usually be booked for £509.

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

Air Canada, Air France and British Airways are the most popular airlines when flying from Ireland to Seattle.

Related searches

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COVID Restrictions

View COVID Travel Restrictions for Seattle, WA

Do I need a COVID test to fly to Seattle from Ireland?

Information is based on travel restrictions from Ireland to Seattle/Tacoma Intl

Most visitors from Ireland need to provide a negative COVID-19 test result and/or quarantine to enter Seattle/Tacoma Intl.

COVID-19 testing requirements
Visitors from Ireland must present a negative RT-PCR (NAAT) or Antigen (quick-test) test taken 1 day for RT-PCR (NAAT) and 1 day for Antigen (quick-test) before departing to Seattle/Tacoma Intl.

Quarantine requirements
Visitors from Ireland are not required to quarantine after entering Seattle/Tacoma Intl.

Do I need a test to fly back to Ireland from Seattle?

Returning to Ireland from Seattle/Tacoma Intl

COVID-19 testing requirements
Visitors from Seattle/Tacoma Intl are not required to present a negative COVID-19 PCR test or antigen result upon entering Ireland.

Quarantine requirements
Visitors from Seattle/Tacoma Intl are not required to quarantine after entering Ireland.

Hide COVID Travel Restrictions for Seattle, WA

Departure points for flights from Ireland to Seattle

Select to see more specific information for flights to Seattle from all departure points in Ireland.
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Destination information for Seattle

Things to know before you go - useful duration and weather info for your trip from Ireland to Seattle.
Today's exchange rate
£1 = $1.26
Flight duration from Ireland to SEA
9h 27m
Average temperature for May in Seattle
19.0 °C
Avg rainfall for May in Seattle
45.0 mm

Airports servicing

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

Airports servicing Seattle

Top 5 airlines flying from Ireland to Seattle/Tacoma Intl

The chart below displays the airlines Cheapflights users travelling from Ireland to Seattle choose most often. Cheapest and average prices are based on aggregated data from the past 12 months.
Airline Cheapest Average Flexibility On-time COVID-19 safety
Icelandair
£396 £474 No cancel fee 76%
Search Icelandair flights
Aer Lingus
£457 £583 No cancel fee N/A
Search Aer Lingus flights
Lufthansa
£476 £528 No cancel fee 76%
Search Lufthansa flights
British Airways
£481 £608 No cancel fee 70%
Search British Airways flights
KLM
£485 £565 No cancel fee 75%
Search KLM flights
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