Cheap flights from Seattle (SEA) to Dublin (DUB)

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The best prices from Seattle/Tacoma Intl to Dublin are usually found in January or February, booked 37 days in advance, depart on a Tuesday or Monday and return on a Saturday

How to find the cheapest flight from
Seattle (SEA) to Dublin (DUB)

All the information you need to plan the best SEA to DUB flight in 2021: compare Seattle to Dublin flight prices with the expected peak season, weather and rainfall in Dublin.
SEA - DUB
Price
$506 - $808
DUB
Temperature
41 - 60.8 °F
DUB
Precipitation
1.9 - 3.1 inches

Popular in

December

High demand for flights, 21% potential price rise

Cheapest in

January

Best time to find cheap flights, 20% potential price drop

Round-trip from

$506

From Seattle/Tacoma Intl to Dublin

One-way from

$401

One-way flight from Seattle/Tacoma Intl to Dublin

Flight route prices based on searches on Cheapflights within the last 3 days, monthly prices based on aggregated historical data.
What is the cheapest day to fly round-trip from Seattle to Dublin?

Users have found that leaving on a Monday can be a cost-effective option. It’s possible to save up to 29% on your flight compared to booking on days when demand is much higher.

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

Find a great deal and save up to 72% by booking at least 38 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 Seattle to Dublin within the next two weeks, with the cheapest ticket starting at $773.

When is the cheapest time to fly from Seattle to Dublin (SEA - DUB)?

It’s typically best to fly out from Seattle to Dublin at noon. Doing so could potentially save you 13% on the flight price compared to flying in the evening, which is usually more expensive.

Cheap flights from Seattle to Dublin in October, November 2021

The best prices found for SEA to DUB flights for October, November
30 Nov - 8 Dec
$418pp
SEA
Seattle/Tacoma Intl
United Airlines
 
1 STOP
DUB
Dublin
DUB
Dublin
United Airlines
   
2 STOPS
SEA
Seattle/Tacoma Intl
30 Nov - 8 Dec
$423pp
SEA
Seattle/Tacoma Intl
United Airlines
   
2 STOPS
DUB
Dublin
DUB
Dublin
United Airlines
   
2 STOPS
SEA
Seattle/Tacoma Intl
25 Nov - 3 Dec
$426pp
SEA
Seattle/Tacoma Intl
United Airlines
 
1 STOP
DUB
Dublin
DUB
Dublin
United Airlines
 
1 STOP
SEA
Seattle/Tacoma Intl

Seattle/Tacoma Intl to Dublin 2021 flight deals

Cheap flights to Dublin from Seattle found for this year
30 Nov - 8 Dec
$418pp
SEA
Seattle/Tacoma Intl
United Airlines
 
1 STOP
DUB
Dublin
DUB
Dublin
United Airlines
   
2 STOPS
SEA
Seattle/Tacoma Intl
30 Nov - 8 Dec
$423pp
SEA
Seattle/Tacoma Intl
United Airlines
   
2 STOPS
DUB
Dublin
DUB
Dublin
United Airlines
   
2 STOPS
SEA
Seattle/Tacoma Intl
25 Nov - 3 Dec
$426pp
SEA
Seattle/Tacoma Intl
United Airlines
 
1 STOP
DUB
Dublin
DUB
Dublin
United Airlines
 
1 STOP
SEA
Seattle/Tacoma Intl

Non-stop flights to Dublin from Seattle

Save time with Seattle to Dublin direct flight deals
14 Apr - 19 Apr
$674pp
SEA
Seattle/Tacoma Intl
Aer Lingus
Non-Stop
DUB
Dublin
DUB
Dublin
Aer Lingus
Non-Stop
SEA
Seattle/Tacoma Intl
9 Apr - 18 Apr
$714pp
SEA
Seattle/Tacoma Intl
Aer Lingus
Non-Stop
DUB
Dublin
DUB
Dublin
Aer Lingus
Non-Stop
SEA
Seattle/Tacoma Intl
9 Apr - 16 Apr
$754pp
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 Dublin

Late deals on round-trip flights to Dublin from Seattle, departing today and this week
5 Nov - 16 Nov
$620pp
SEA
Seattle/Tacoma Intl
Icelandair
 
1 STOP
DUB
Dublin
DUB
Dublin
Icelandair
 
1 STOP
SEA
Seattle/Tacoma Intl
5 Nov - 7 Nov
$739pp
SEA
Seattle/Tacoma Intl
Icelandair
 
1 STOP
DUB
Dublin
DUB
Dublin
Icelandair
 
1 STOP
SEA
Seattle/Tacoma Intl
5 Nov - 8 Nov
$756pp
SEA
Seattle/Tacoma Intl
Multiple Airlines
   
2 STOPS
DUB
Dublin
DUB
Dublin
Multiple Airlines
   
2 STOPS
SEA
Seattle/Tacoma Intl

One-way flights to Dublin from Seattle

The cheapest one-way flights from Seattle to Dublin
2:50 am - 3:25 am
Air Canada
1 Stop
16h 35m
SEA - DUB
Air Canada
$401
Air Canada
6:25 pm - 2:00 am
United Airlines
1 Stop
23h 35m
SEA - DUB
United Airlines
$405
United
2:00 am - 5:55 am
Lufthansa
2 Stops
19h 55m
SEA - DUB
Lufthansa
$435
SnapTravelAir

Related info for your journey

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

Flight FAQs

From Seattle to Dublin

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

Some of our airline partners flying from Seattle/Tacoma Intl to Dublin have new flexible policies in place due to COVID-19. Aer Lingus, Icelandair, and British Airways are some of the carriers where you may find flexible cancellation policies. You can use our site to filter for airlines like Aer Lingus with this kind of flexibility.

Can I find flights from Seattle to Dublin for under $500 on Cheapflights?

Yes, there are multiple flights from Seattle to Dublin for under $500. The cheapest flight booked recently is on United Airlines for just $417, but on average you can expect to pay $432.

Are there nonstop flights from Seattle to Dublin for under $700 on Cheapflights?

Cheapflights has at least 10 direct flights from Seattle to Dublin under $700. A good price for a nonstop flight from Seattle to Dublin is less than $932.

Are there last-minute flights available from Seattle to Dublin for under $700?

There are currently 20+ open flights from Seattle to Dublin within the next 7 days for less than $700.

How popular is this Seattle to Dublin flight route?

Within the past month, 95 users have taken a look at flights from Seattle/Tacoma Intl to Dublin.

What are the cheapest airlines flying from Seattle to Dublin round-trip?

Cheapflights users have booked flights from Seattle to Dublin round-trip from $417. Other airlines that can offer you cheap pricing are Lufthansa, from $419, and Air Canada, from $427. You may be able to fly from Seattle to Dublin for 34% less than the average price by searching for these airlines.

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

For one-way options, check prices for Air Canada. According to our data, you can fly for as low as $401. Users have also found prices from $405 and $406 on United Airlines and Lufthansa, respectively.

What are the cheapest flights from Seattle to Dublin?

Looking at all options, your cheapest flight can be booked for $287. While the most popular route (Seattle/Tacoma Intl - Dublin) can be booked for $419 on average our data indicates $1,859 when flying from Seattle to Dublin

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

The most popular airlines flying from Seattle to Dublin are Major Airline, American Airlines and Air Canada. Something to consider prior to booking your flight.

COVID Restrictions

View COVID Travel Restrictions for Dublin, Ireland

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

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

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

COVID-19 testing requirements
Visitors from Seattle/Tacoma Intl must present a negative RT-PCR (NAAT) test taken 72 hours before departing to Dublin.

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

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

Returning to Seattle/Tacoma Intl from Dublin

COVID-19 testing requirements
Visitors from Dublin must present a negative RT-PCR (NAAT) or Antigen (quick-test) test taken 72 hours before departing to Seattle/Tacoma Intl.

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

Hide COVID Travel Restrictions for Dublin, Ireland

Alternative routes for Seattle to Dublin

See prices for flight routes from nearby airports that may be better suited for you.

Destination information for Dublin

Things to know before you go - useful duration and weather info for your trip from Seattle to Dublin.
Today's exchange rate
$1 = €0.86
Average temperature for October in Dublin
57.2 °F
Avg rainfall for October in Dublin
3.3 ″

Airports servicing Seattle

Airports servicing Dublin

Top 10 airlines flying from Seattle/Tacoma Intl to Dublin

The chart below displays the airlines Cheapflights users traveling from Seattle to Dublin 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
Delta
$332 $704 No cancel fee N/A
Air France
$361 $553 No cancel fee 77%
American Airlines
$389 $734 No cancel fee 71%
Icelandair
$397 $695 No cancel fee 76%
United Airlines
$431 $805 No cancel fee 69%
British Airways
$433 $683 No cancel fee 70%
Air Canada
$434 $705 No cancel fee 67%
Lufthansa
$435 $655 No cancel fee 76%
KLM
$455 $644 No cancel fee 75%
Aer Lingus
$496 $801 No cancel fee N/A
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