Cheap flights from Seattle (SEA) to Ireland

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

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

When searching for a good deal, it’s best to be prepared for potential fluctuations in price. We recommend booking at least 25 days in advance, which can save you up to 60% on flights from Seattle to Ireland compared to booking the week you need them. Waiting 25 days out may not be for everyone, so we have options available for flights within the next two weeks, with the lowest price starting at $904. For sooner than that we have options available in the next 3 days from $1,293.

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

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Seattle to Ireland as you normally would.

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

October is one of the best times of the year to fly to Ireland from Seattle. Prices for October average $711 per person but you can even find prices for as low as $450. The most expensive prices can be found in the month of July. Opting for a October flight can save you 47% on your journey compared to booking in July

Cheap flights from Seattle to Ireland in August, September 2022

The best prices found for SEA to Ireland flights for August, September
9 Sep - 14 Sep
$505pp
SEA
Seattle/Tacoma Intl
Icelandair
 
1 STOP
DUB
Dublin
DUB
Dublin
Icelandair
 
1 STOP
SEA
Seattle/Tacoma Intl
19 Sep - 5 Oct
$532pp
SEA
Seattle/Tacoma Intl
Icelandair
 
1 STOP
DUB
Dublin
DUB
Dublin
Icelandair
 
1 STOP
SEA
Seattle/Tacoma Intl
19 Sep - 5 Oct
$537pp
SEA
Seattle/Tacoma Intl
Icelandair
 
1 STOP
DUB
Dublin
DUB
Dublin
Icelandair
 
1 STOP
SEA
Seattle/Tacoma Intl

Seattle/Tacoma Intl to Ireland 2022 flight deals

Cheap flights to Ireland from Seattle found for this year
25 Oct - 16 Nov
$388pp
SEA
Seattle/Tacoma Intl
Icelandair
 
1 STOP
DUB
Dublin
DUB
Dublin
Icelandair
 
1 STOP
SEA
Seattle/Tacoma Intl
8 Nov - 15 Nov
$394pp
SEA
Seattle/Tacoma Intl
Icelandair
 
1 STOP
DUB
Dublin
DUB
Dublin
Icelandair
 
1 STOP
SEA
Seattle/Tacoma Intl
25 Oct - 16 Nov
$396pp
SEA
Seattle/Tacoma Intl
Icelandair
 
1 STOP
DUB
Dublin
DUB
Dublin
Icelandair
 
1 STOP
SEA
Seattle/Tacoma Intl

Cheap Icelandair flights from Seattle to Ireland

25 Oct - 16 Nov
$388pp
SEA
Seattle/Tacoma Intl
Icelandair
 
1 STOP
DUB
Dublin
DUB
Dublin
Icelandair
 
1 STOP
SEA
Seattle/Tacoma Intl
8 Nov - 15 Nov
$394pp
SEA
Seattle/Tacoma Intl
Icelandair
 
1 STOP
DUB
Dublin
DUB
Dublin
Icelandair
 
1 STOP
SEA
Seattle/Tacoma Intl
8 Nov - 15 Nov
$395pp
SEA
Seattle/Tacoma Intl
Icelandair
 
1 STOP
DUB
Dublin
DUB
Dublin
Icelandair
 
1 STOP
SEA
Seattle/Tacoma Intl

Cheap Scandinavian Airlines flights from Seattle to Ireland

17 Aug - 31 Aug
$1,104pp
SEA
Seattle/Tacoma Intl
Scandinavian Airlines
   
2 STOPS
DUB
Dublin
DUB
Dublin
Scandinavian Airlines
   
2 STOPS
SEA
Seattle/Tacoma Intl
17 Aug - 24 Aug
$1,174pp
SEA
Seattle/Tacoma Intl
Scandinavian Airlines
   
2 STOPS
DUB
Dublin
DUB
Dublin
Scandinavian Airlines
   
2 STOPS
SEA
Seattle/Tacoma Intl
17 Aug - 22 Aug
$1,199pp
SEA
Seattle/Tacoma Intl
Scandinavian Airlines
   
2 STOPS
DUB
Dublin
DUB
Dublin
Scandinavian Airlines
   
2 STOPS
SEA
Seattle/Tacoma Intl

Non-stop flights to Ireland from Seattle

Save time with Seattle to Ireland direct flight deals
8 Nov - 22 Nov
$593pp
SEA
Seattle/Tacoma Intl
Aer Lingus
Non-Stop
DUB
Dublin
DUB
Dublin
Aer Lingus
Non-Stop
SEA
Seattle/Tacoma Intl
14 Oct - 24 Oct
$596pp
SEA
Seattle/Tacoma Intl
Aer Lingus
Non-Stop
DUB
Dublin
DUB
Dublin
Aer Lingus
Non-Stop
SEA
Seattle/Tacoma Intl
2 Nov - 5 Nov
$598pp
SEA
Seattle/Tacoma Intl
Aer Lingus
Non-Stop
DUB
Dublin
DUB
Dublin
Aer Lingus
Non-Stop
SEA
Seattle/Tacoma Intl

Last minute flights from Seattle to Ireland

Late deals on round-trip flights to Ireland from Seattle, departing today and this week
17 Aug - 24 Aug
$931pp
SEA
Seattle/Tacoma Intl
Multiple Airlines
   
2 STOPS
DUB
Dublin
DUB
Dublin
Multiple Airlines
   
2 STOPS
SEA
Seattle/Tacoma Intl
17 Aug - 31 Aug
$1,026pp
SEA
Seattle/Tacoma Intl
Multiple Airlines
 
1 STOP
DUB
Dublin
DUB
Dublin
Multiple Airlines
 
1 STOP
SEA
Seattle/Tacoma Intl
18 Aug - 25 Aug
$1,038pp
SEA
Seattle/Tacoma Intl
Multiple Airlines
 
1 STOP
DUB
Dublin
DUB
Dublin
Multiple Airlines
   
2 STOPS
SEA
Seattle/Tacoma Intl

One-way flights to Ireland from Seattle

The cheapest one-way flights from Seattle to Ireland
1:45 pm - 5:30 am
Turkish Airlines
1 Stop
31h 45m
SEA - DUB
Turkish Airlines
$368
oojo
4:50 pm - 6:10 am
Multiple Airlines
3 Stops
29h 20m
SEA - DUB
Multiple Airlines
$405
Kiwi.com
11:55 am - 7:05 am
Icelandair
1 Stop
11h 10m
SEA - DUB
Icelandair
$411
oojo

Related info for your journey

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

Flight FAQs

From Seattle to Ireland

What airport do you fly from for flights from Seattle to Ireland?

Located just 11.4 mi from the city center, Seattle/Tacoma Intl (SEA) is the airport most travelers will use when flying to Ireland from Seattle.

Which airlines flying from Seattle/Tacoma Intl to Ireland 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 Seattle/Tacoma Intl to Ireland have implemented new flexible cancellation policies.

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

Yes, there are multiple flights from Seattle to Ireland for under $400. The cheapest flight booked recently is on Icelandair for just $388, but on average you can expect to pay $414.

Are there nonstop flights from Seattle to Ireland for under $600 on Cheapflights?

Cheapflights has at least 20 direct flights from Seattle to Ireland under $600. A good price for a nonstop flight from Seattle to Ireland is less than $668.

Are there last-minute flights available from Seattle to Ireland for under $1,000?

There are currently 20+ open flights from Seattle to Ireland within the next 7 days for less than $1,000.

How popular is this Seattle to Ireland flight route?

This flight path from Seattle/Tacoma Intl to Ireland was viewed by 23 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

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

Before booking your flight from Seattle to Ireland check out the most popular airlines for this route: American Airlines, Air Canada or Air France.

What are the most reliable airlines from Seattle to Ireland?

No one likes to see their flight delayed. When booking a flight from Seattle to Ireland consider choosing Etihad Airways (6%), Aer Lingus (6%) or British Airways (6%) as they are the most reliable in getting you off to your destination on time.

What are the most popular routes from Seattle to Ireland?

The most popular flight routes from Seattle to Ireland are Seattle/Tacoma Intl - Dublin, Seattle/Tacoma Intl - Shannon and Seattle/Tacoma Intl - Cork.

What are the cheapest flights from Seattle to Ireland?

Looking for the cheapest flight from Seattle to Ireland? While on average our users pay $2,688, our data indicates the cheapest price to be $394. The most popular route (Seattle/Tacoma Intl - Dublin), is priced around $398.

COVID Restrictions

View COVID Travel Restrictions for Ireland

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

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

Most visitors from Seattle/Tacoma Intl can enter Ireland without restrictions.

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.

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

Returning to Seattle/Tacoma Intl from Ireland

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

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

Hide COVID Travel Restrictions for Ireland

Destination points for flights from Seattle to Ireland

Select to see more specific information for flights from Seattle to all places in Ireland.

Top 10 airlines flying from Seattle/Tacoma Intl to Ireland

The chart below displays the airlines Cheapflights users traveling from Seattle to Ireland 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
Juneyao Airlines
$12 $19 No cancel fee 66%

We couldn't confirm the COVID-19 safety measures taken by Juneyao Airlines. Please check directly on their website for additional information.

Iberia
$245 $283 No cancel fee 77%
American Airlines
$284 $842 No cancel fee 71%
Finnair
$346 $937 No cancel fee 76%
Icelandair
$391 $617 No cancel fee 76%
United Airlines
$425 $798 No cancel fee 69%
Air Canada
$429 $879 No cancel fee 67%
British Airways
$448 $840 No cancel fee 70%
Lufthansa
$456 $957 No cancel fee 76%
Aer Lingus
$496 $1,185 No cancel fee N/A
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