Cheap flights from Dublin to Seattle

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Seattle (SEA)
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The best prices from Dublin to Seattle/Tacoma Intl are usually found in February or March, booked 57 days in advance, depart on a Monday or Wednesday and return on a Friday

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

All the information you need to plan the best DUB to SEA flight in 2021: compare Dublin to Seattle flight prices with the expected peak season, weather and rainfall in Seattle.
DUB - SEA
Price
£451 - £844
SEA
Temperature
5 - 19 °C
SEA
Precipitation
18 - 168 mm

Popular in

July

High demand for flights, 31% potential price rise

Cheapest in

February

Best time to find cheap flights, 23% potential price drop

Average price

£400

Average for round-trip flights in October 2021

Round-trip from

£331

From Dublin to Seattle/Tacoma Intl

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 return from Dublin to Seattle?

Users have found that leaving on a Sunday can be a cost-effective option. It’s possible to save up to 25% on your flight compared to booking on days when demand is much higher.

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

February can be a great time to fly to Seattle from Dublin with a flight ticket averaging about £430. Cheapflights users have found deals in the month of February for as cheap as £280. The most expensive prices can be found in the month of July.

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

When flying from Dublin to Seattle, the time of day you fly usually plays a role in the price. Save by searching for a flight in the morning, which can drop the price by up to 31% versus a flight at midday.

How far in advance should I book a flight from Dublin 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 Dublin to Seattle within the next two weeks, with the cheapest ticket starting at £500.

Cheap flights from Dublin to Seattle in October, November 2021

The best prices found for DUB to SEA flights in October, November
11 Nov - 15 Nov
£374pp
DUB
Dublin
Multiple airlines
   
2 STOPS
SEA
Seattle/Tacoma Intl
SEA
Seattle/Tacoma Intl
Multiple Airlines
   
2 STOPS
DUB
Dublin
11 Nov - 15 Nov
£472pp
DUB
Dublin
Aer Lingus
 
1 STOP
SEA
Seattle/Tacoma Intl
SEA
Seattle/Tacoma Intl
Aer Lingus
 
1 STOP
DUB
Dublin
2 Nov - 16 Nov
£483pp
DUB
Dublin
Multiple airlines
 
1 STOP
SEA
Seattle/Tacoma Intl
SEA
Seattle/Tacoma Intl
Multiple Airlines
 
1 STOP
DUB
Dublin

Dublin to Seattle 2021 flight deals

Cheap flights to Seattle from Dublin found for this year
11 Nov - 15 Nov
£374pp
DUB
Dublin
Multiple airlines
   
2 STOPS
SEA
Seattle/Tacoma Intl
SEA
Seattle/Tacoma Intl
Multiple Airlines
   
2 STOPS
DUB
Dublin
4 Dec - 5 Jan
£436pp
DUB
Dublin
Icelandair
 
1 STOP
SEA
Seattle/Tacoma Intl
SEA
Seattle/Tacoma Intl
Icelandair
 
1 STOP
DUB
Dublin
2 Dec - 12 Dec
£469pp
DUB
Dublin
Multiple airlines
   
2 STOPS
SEA
Seattle/Tacoma Intl
SEA
Seattle/Tacoma Intl
Lufthansa
   
2 STOPS
DUB
Dublin

One-way flights to Seattle/Tacoma Intl from Dublin

The cheapest one-way flights from Dublin to Seattle
06:30 - 11:55
Icelandair
1 stop
13h 25m
DUB - SEA
Icelandair
00:55 - 07:00
Delta
1 stop
14h 05m
DUB - SEA
Delta
£417
Delta
01:00 - 18:21
TAP AIR PORTUGAL
2 stops
24h 21m
DUB - SEA
TAP AIR PORTUGAL

Related info for your journey

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

Flight FAQs

From Dublin to Seattle

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

Some of our airline partners flying from Dublin to Seattle/Tacoma Intl 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 Dublin to Seattle for under £400 on Cheapflights?

Yes, there are multiple flights from Dublin to Seattle for under £400. The cheapest flight booked recently is on Multiple Airlines for just £374, but on average you can expect to pay £480.

How popular is this Dublin to Seattle flight route?

This flight path from Dublin to Seattle/Tacoma Intl was viewed by 251 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

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

According to our current data, Icelandair (£436), Aer Lingus (£472), and KLM (£498) offers the cheapest pricing from Dublin to Seattle.

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

To fly one-way, consider booking your trip with KLM, which is currently one of the cheapest options available, starting at £379. Icelandair flights start at £409 while deals on Delta start at £417 one-way.

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

Consider Air Canada, Air France or British Airways when booking your flight. These represent the most popular airlines when flying from Dublin to Seattle.

What are the cheapest flights from Dublin to Seattle?

Looking for the cheapest flight from Dublin to Seattle? While on average our users pay £1,259, our data indicates the cheapest price to be £234. The most popular route (Dublin - Seattle/Tacoma Intl), is priced around £395.

COVID Restrictions

View COVID Travel Restrictions for Seattle, WA

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

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

Most visitors from Dublin will not be allowed to enter Seattle/Tacoma Intl.

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.

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

Returning to Dublin from Seattle/Tacoma Intl

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

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

Hide COVID Travel Restrictions for Seattle, WA

Destination information for Seattle

Things to know before you go - useful duration and weather info for your trip from Dublin to Seattle.
Today's exchange rate
£1 = $1.37
Average temperature for October in Seattle
16.0 °C
Avg rainfall for October in Seattle
88.0 mm

Airports servicing Dublin

Airports servicing Seattle

Top 8 airlines flying from Dublin to Seattle/Tacoma Intl

The chart below displays the airlines Cheapflights users travelling from Dublin 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
£280 £488 No cancel fee 76%
Search Icelandair flights
Air Canada
£283 £415 No cancel fee 67%
Search Air Canada flights
United Airlines
£285 £547 No cancel fee 69%
Search United Airlines flights
KLM
£294 £466 No cancel fee 75%
Search KLM flights
Aer Lingus
£301 £542 No cancel fee N/A
Search Aer Lingus flights
Air France
£314 £417 No cancel fee 77%
Search Air France flights
Delta
£362 £557 No cancel fee N/A
Search Delta flights
British Airways
£367 £503 No cancel fee 70%
Search British Airways flights
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