Cheap Flights from Dublin to Seattle from £374

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

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

£409

00:55 - 07:00

Delta

1 stop

14h 05m

DUB - SEA

£417

Delta

01:00 - 18:21

TAP AIR PORTUGAL

2 stops

24h 21m

DUB - SEA

£428

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.

£1 = $1.37

16.0 °C

88.0 mm

Airports servicing Dublin

Dublin (DUB)

Airports servicing Seattle

Seattle (SEA)

Airline	Cheapest	Average	Flexibility	On-time
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

Cheap flights from Dublin to Seattle

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.

What is the cheapest day to fly return from Dublin to Seattle?

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

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

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

Cheap flights from Dublin to Seattle in October, November 2021

The best prices found for DUB to SEA flights in October, November

Dublin to Seattle 2021 flight deals

Cheap flights to Seattle from Dublin found for this year

One-way flights to Seattle/Tacoma Intl from Dublin

The cheapest one-way flights from Dublin to Seattle

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?

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

How popular is this Dublin to Seattle flight route?

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

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

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

What are the cheapest flights from Dublin to Seattle?

Related searches

Flights to Seattle (SEA) from Dublin (DUB)

Other flights from Dublin

Other flights to Seattle

Hire a Car

COVID Restrictions

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

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

Destination information for Seattle

Things to know before you go - useful duration and weather info for your trip from Dublin to Seattle.

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.

Popular flight searches

Check out other popular destinations found by fellow travellers in 2021.

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