Cheap flights from Seattle to Dublin

Round-trip
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Seattle (SEA)
Dublin (DUB)
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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
C$ 635 - C$ 1,014
DUB
Temperature
9 - 20 °C
DUB
Rainfall
51 - 85 mm

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

C$ 635

From Seattle to Dublin

One-way from

C$ 544

One-way flight from Seattle 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?

Thursday flights are found to be more expensive to fly from Seattle to Dublin. This shouldn’t discourage you from searching, as you can still find great deals by being flexible with your options. Use our search form to find deals on tickets to Dublin.

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

When searching for a good deal, it’s best to be prepared for potential fluctuations in price. We recommend booking at least 61 days in advance, which can save you up to 41% on flights from Seattle to Dublin compared to booking the week you need them. Waiting 61 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 C$ 789. For sooner than that we have options available in the next 3 days from C$ 978.

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

February is one of the best times of the year to fly to Dublin from Seattle. Prices for February average C$ 705 per person but you can even find prices for as low as C$ 519. The most expensive prices can be found in the month of December. Opting for a February flight can save you 43% on your journey compared to booking in February

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

A simple way to save on the total cost of your ticket is to fly from Seattle to Dublin in the morning. If you’re flexible enough to do this you can expect to save up to 29% on your trip compared to booking a flight in the afternoon.

Cheap flights from Seattle to Dublin in April, May 2021

The best prices found for SEA to DUB flights for April, May
19 May - 12 Jun
C$ 793pp
SEA
Seattle/Tacoma Intl
Multiple Airlines
   
2 STOPS
DUB
Dublin
DUB
Dublin
Multiple Airlines
   
2 STOPS
SEA
Seattle/Tacoma Intl
19 May - 6 Jun
C$ 889pp
SEA
Seattle/Tacoma Intl
Multiple Airlines
   
2 STOPS
DUB
Dublin
DUB
Dublin
Multiple Airlines
   
2 STOPS
SEA
Seattle/Tacoma Intl
19 May - 8 Jun
C$ 945pp
SEA
Seattle/Tacoma Intl
Delta
 
1 STOP
DUB
Dublin
DUB
Dublin
Delta
 
1 STOP
SEA
Seattle/Tacoma Intl

Seattle to Dublin 2021 flight deals

Cheap flights to Dublin from Seattle found for this year
25 Nov - 5 Dec
C$ 630pp
SEA
Seattle/Tacoma Intl
Lufthansa
 
1 STOP
DUB
Dublin
DUB
Dublin
Lufthansa
 
1 STOP
SEA
Seattle/Tacoma Intl
25 Nov - 5 Dec
C$ 631pp
SEA
Seattle/Tacoma Intl
Lufthansa
   
2 STOPS
DUB
Dublin
DUB
Dublin
Lufthansa
 
1 STOP
SEA
Seattle/Tacoma Intl
25 Nov - 5 Dec
C$ 637pp
SEA
Seattle/Tacoma Intl
Lufthansa
   
2 STOPS
DUB
Dublin
DUB
Dublin
Lufthansa
   
2 STOPS
SEA
Seattle/Tacoma Intl

Direct flights to Dublin from Seattle

Save time with Seattle to Dublin direct flight deals
7 Oct - 11 Nov
C$ 973pp
SEA
Seattle/Tacoma Intl
Aer Lingus
Direct
DUB
Dublin
DUB
Dublin
Aer Lingus
Direct
SEA
Seattle/Tacoma Intl
17 Aug - 26 Aug
C$ 1,119pp
SEA
Seattle/Tacoma Intl
Aer Lingus
Direct
DUB
Dublin
DUB
Dublin
Aer Lingus
Direct
SEA
Seattle/Tacoma Intl
17 Aug - 24 Aug
C$ 1,188pp
SEA
Seattle/Tacoma Intl
Aer Lingus
Direct
DUB
Dublin
DUB
Dublin
Aer Lingus
Direct
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
1 May - 14 May
C$ 1,293pp
SEA
Seattle/Tacoma Intl
KLM
   
2 STOPS
DUB
Dublin
DUB
Dublin
KLM
 
1 STOP
SEA
Seattle/Tacoma Intl

One-way flights to Dublin from Dublin

The cheapest one-way flights from Seattle to Dublin
9:35 a.m. - 12:35 p.m.
KLM
1 stop
19h 00m
SEA - DUB
KLM
C$ 851
KLM
8:20 p.m. - 6:05 a.m.
Multiple Airlines
1 stop
25h 45m
SEA - DUB
Multiple Airlines
C$ 4,313
United
4:40 a.m. - 2:45 p.m.
Multiple Airlines
2 stops
26h 05m
SEA - DUB
Multiple Airlines
C$ 545

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

Can I find flights from Seattle to Dublin for under C$ 753 on Cheapflights?

Yes, there are multiple flights from Seattle to Dublin for under C$ 753. The cheapest flight booked recently is on Icelandair for just C$ 679, but on average you can expect to pay C$ 784.

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

Delta is one of the many airlines that have implemented additional safety measures to control the spread of COVID-19. Some of the new policies that have been implemented to accommodate travellers flying from Seattle/Tacoma Intl to Dublin are improved sanitation, HEPA filters, mask requirements, socially-distanced seating (for a limited time), and pre-flight testing for antibodies and symptoms. Policies will vary by airline.

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

Some of the carriers operating flights from Seattle/Tacoma Intl to Dublin that may be offering flexible cancellation policies are Aer Lingus, Icelandair, and British Airways. Our site will let you filter for all airlines offering greater flexibility due to COVID-19.

Are there direct flights from Seattle to Dublin for under C$ 1,004 on Cheapflights?

Cheapflights has 5 direct flights from Seattle to Dublin under C$ 1,004. A good price for a direct flight from Seattle to Dublin is less than C$ 1,165.

Are there last-minute flights available from Seattle to Dublin for under C$ 1,380?

There are currently 1+ open flights from Seattle to Dublin within the next 7 days for less than C$ 1,380.

How popular is this flight route?

Flights from Seattle/Tacoma Intl to Dublin have been viewed 33 times in the past calendar month.

Does it rain more in Seattle or Dublin?

Expected rainfall in Seattle is less than in Dublin. You can expect this to be the case over the next 20 days.

Is Seattle weather warmer or cooler than Dublin?

Our data indicates that the weather will be 25 °C on average in the month of July. The temperature in Dublin is typically colder than in Seattle. If you're traveling when the temperature is at its warmest, push to plan early, as flight price and availability will have an impact on your travels. For the best results, search for flights well in advance or after peak season.

How long is the flight from Seattle to Dublin?

Airlines like Icelandair fly from Seattle to Dublin in about 11h 15m. The time it takes to get you to your destination can typically vary by up to .

What is the cheapest airline to fly from Seattle to Dublin round-trip?

Cheapflights users have booked flights from Seattle to Dublin round-trip from C$ 679. You may be able to fly from Seattle to Dublin for 14% less than the average price by searching for this airline.

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

For one-way options, check prices for KLM. According to our data, you can fly for as low as C$ 851.

Related searches

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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
C$ 1 = €0.67
Average temperature for April in Dublin
12.0 °C
Avg rainfall for April in Dublin
62.0 mm

Airports servicing Seattle

Airports servicing Dublin

Top 6 airlines flying from Seattle to Dublin

The chart below displays the airlines Cheapflights users travelling 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
Air Canada
C$ 448 C$ 462 No cancel fee 67%
Search Air Canada flights
United Airlines
C$ 444 C$ 554 No cancel fee 69%
Search United Airlines flights
Icelandair
C$ 393 C$ 557 No cancel fee 76%
Search Icelandair flights
British Airways
C$ 496 C$ 627 No cancel fee 70%
Search British Airways flights
Delta
C$ 470 C$ 653 No cancel fee N/A
Search Delta flights
Aer Lingus
C$ 481 C$ 701 No cancel fee N/A
Search Aer Lingus flights
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