Cheap flights from Dublin to Seattle

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

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

DUB - SEA
Price
£319 - £597
SEA
Temperature
8 - 25 °C
SEA
Rainfall
18 - 166 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

£319

Average for round-trip flights in February 2021

Round-trip from

£319

From Dublin to Seattle

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?

Flights from Dublin to Seattle are generally found to be more expensive on Saturday. 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 Seattle.

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

Travellers have found it’s best to book a flight 52 days in advance to save up to 51% compared to booking the same week of travel. As your travel date approaches, the cost of this flight route may potentially increase. While opting to book 52 days out may not be an option for all, there are still additional ways to secure a deal in the near future. You might find a flight from Dublin to Seattle 1-2 weeks in advance for as low as £438, or £573 for flights within the next 24 hours.

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

Flights from Dublin to Seattle lean towards being more expensive in July. Prices are generally better when you fly from Dublin to Seattle in February, with the cheapest ticket starting at £255.

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

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

Cheap flights from Dublin to Seattle in February, March 2021

16 Mar - 27 Mar
£460pp
DUB
Dublin
KLM
 
1 STOP
SEA
Seattle/Tacoma Intl
SEA
Seattle/Tacoma Intl
KLM
 
1 STOP
DUB
Dublin
7 Mar - 7 Sep
£461pp
DUB
Dublin
KLM
 
1 STOP
SEA
Seattle/Tacoma Intl
SEA
Seattle/Tacoma Intl
KLM
   
2 STOPS
DUB
Dublin
3 Mar - 20 Sep
£462pp
DUB
Dublin
KLM
 
1 STOP
SEA
Seattle/Tacoma Intl
SEA
Seattle/Tacoma Intl
KLM
 
1 STOP
DUB
Dublin

Dublin to Seattle 2021 flight deals

22 Apr - 26 Apr
£303pp
DUB
Dublin
Icelandair
 
1 STOP
SEA
Seattle/Tacoma Intl
SEA
Seattle/Tacoma Intl
Icelandair
 
1 STOP
DUB
Dublin
22 Apr - 26 Apr
£303pp
DUB
Dublin
Icelandair
 
1 STOP
SEA
Seattle/Tacoma Intl
SEA
Seattle/Tacoma Intl
Icelandair
 
1 STOP
DUB
Dublin
26 Aug - 20 Nov
£354pp
DUB
Dublin
Aer Lingus
Direct
SEA
Seattle/Tacoma Intl
SEA
Seattle/Tacoma Intl
Aer Lingus
Direct
DUB
Dublin

Direct flights to Seattle from Dublin

5 Jun - 29 Aug
£382pp
DUB
Dublin
Aer Lingus
Direct
SEA
Seattle/Tacoma Intl
SEA
Seattle/Tacoma Intl
Aer Lingus
Direct
DUB
Dublin
5 Jun - 29 Aug
£383pp
DUB
Dublin
Aer Lingus
Direct
SEA
Seattle/Tacoma Intl
SEA
Seattle/Tacoma Intl
Aer Lingus
Direct
DUB
Dublin
17 Jul - 31 Jul
£682pp
DUB
Dublin
Aer Lingus
Direct
SEA
Seattle/Tacoma Intl
SEA
Seattle/Tacoma Intl
Aer Lingus
Direct
DUB
Dublin

Last-minute flights from Dublin to Seattle

7 Mar - 7 Sep
£461pp
DUB
Dublin
KLM
 
1 STOP
SEA
Seattle/Tacoma Intl
SEA
Seattle/Tacoma Intl
KLM
   
2 STOPS
DUB
Dublin
3 Mar - 19 Sep
£462pp
DUB
Dublin
KLM
 
1 STOP
SEA
Seattle/Tacoma Intl
SEA
Seattle/Tacoma Intl
KLM
   
2 STOPS
DUB
Dublin
6 Mar - 21 Sep
£465pp
DUB
Dublin
KLM
   
2 STOPS
SEA
Seattle/Tacoma Intl
SEA
Seattle/Tacoma Intl
KLM
   
2 STOPS
DUB
Dublin

One-way flights to Seattle from Dublin

06:30 - 15:50
Lufthansa
2 stops
17h 20m
DUB - SEA
Lufthansa
£342
Lufthansa
01:55 - 15:59
KLM
2 stops
22h 04m
DUB - SEA
KLM
£1,108
KLM

Related info for your journey

Flight FAQs

From Dublin to Seattle

Are flight prices decreasing from Dublin to Seattle due to COVID-19 (coronavirus)?

At this time, Cheapflights has noticed price decreases for many domestic flights due to COVID-19. Travel is not necessarily recommended at this time, and flights may be prone to cancellation: please check with local authorities in both Dublin and Seattle for travel alerts, and be sure to review the airline's cancellation policy and travel advisories before booking. For more information, please view our post on what to know about COVID-19 (coronavirus) and travel.

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

New policies can now be found on Delta to help keep travellers safe while flying. New policies for travellers booking flights from Dublin to Seattle/Tacoma Intl include masks being provided and required on board, daily cleaning and sanitisation, use of HEPA filters, pre-flight testing for antibodies and symptoms, and socially-distanced seating (for a limited time). Keep in mind that policies will vary by airline.

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 £354 on Cheapflights?

Yes, there are multiple flights from Dublin to Seattle for under £354. The cheapest flight booked recently is on Icelandair for just £303, but on average you can expect to pay £431.

Are there direct flights from Dublin to Seattle for under £424 on Cheapflights?

Cheapflights has 4 direct flights from Dublin to Seattle under £424. A good price for a direct flight from Dublin to Seattle is less than £532.

Are there last-minute flights available from Dublin to Seattle for under £495?

There are currently 20+ open flights from Dublin to Seattle within the next 7 days for less than £495.

Does it rain more in Dublin or Seattle?

Expected rainfall in Dublin is more than in Seattle. You can expect this to be the case over the next 23 days.

Is Dublin weather warmer or cooler than Seattle?

Expect the weather to be around 25 °C on average in July. As the temperature peaks, try to get your plans done early, as flight price and availability will have an impact on your travels. The climate in Seattle is generally hotter than in Dublin.

How long does is the flight from Dublin to Seattle?

Aer Lingus, Delta, and KLM can get you from Dublin to Seattle in just under 9h 35m. Your travel time can differ by up to 3h 45m. This flight may include one or multiple stops.

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

Flying on Icelandair is currently your cheapest option to Seattle, with prices starting at £303. Additional return tickets that might be worth considering are offered by Aer Lingus and KLM, with the lowest prices starting at £382 and £461, respectively. Icelandair is 26% cheaper than the average price of flights available within the next 90 days to this destination.

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

For one-way options, check prices for Lufthansa. According to our data, you can fly for as low as £342. Users have also found tickets on KLM for as little as £1,108.

Destination information for Seattle

Today's exchange rate
£1 = $1.42
Flight duration
9h 27m
Average temperature for February in Seattle
10.0 °C
Avg rainfall for February in Seattle
88.0 mm

Airports servicing Dublin

Airports servicing Seattle

Top 8 airlines flying from Dublin to Seattle

Airline Cheapest Average Flexibility On-time COVID-19 safety
Air Canada
£386 £565 No cancel fee 67%
Search Air Canada flights
Air France
£428 £569 No cancel fee 77%
Search Air France flights
KLM
£401 £636 No cancel fee 75%
Search KLM flights
Icelandair
£381 £666 No cancel fee 76%
Search Icelandair flights
British Airways
£501 £685 No cancel fee 70%
Search British Airways flights
Aer Lingus
£411 £739 No cancel fee N/A
Search Aer Lingus flights
United Airlines
£389 £745 No cancel fee 69%
Search United Airlines flights
Delta
£494 £759 No cancel fee N/A
Search Delta flights
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