Cheap flights from Dublin International to Seattle

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The best prices from Dublin International 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 International (DUB) to Seattle (SEA)

DUB - SEA
Price
£330 - £618
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

£376

Average for round-trip flights in January 2021

Round-trip from

£330

From Dublin International 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 International to Seattle?

Saturday flights are found to be more expensive to fly from Dublin International to Seattle. 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 International 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 International to Seattle 1-2 weeks in advance for as low as £453, or £594 for flights within the next 24 hours.

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

The best pricing can be found in the month of February. Prices to Seattle from Dublin International average £400. You can even find prices in February for less than £400, as users have found deals to Seattle from as low as £264. The month of July appears to be one of the more expensive times to travel to Seattle from Dublin International. Flying in the targeted month can save you up to 37%.

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

It’s optimal to fly from Dublin International to Seattle in the evening. By choosing this option you can save up to 29% on the cost of your flight, compared to a flight at midday.

Cheap flights from Dublin International to Seattle in January, February 2021

The best prices found for DUB to SEA flights in January, February
13 Feb - 24 Feb
£430pp
DUB
Dublin
KLM
 
1 STOP
SEA
Seattle/Tacoma Intl
SEA
Seattle/Tacoma Intl
KLM
 
1 STOP
DUB
Dublin
13 Feb - 25 Feb
£430pp
DUB
Dublin
KLM
 
1 STOP
SEA
Seattle/Tacoma Intl
SEA
Seattle/Tacoma Intl
KLM
   
2 STOPS
DUB
Dublin
13 Feb - 25 Feb
£431pp
DUB
Dublin
KLM
 
1 STOP
SEA
Seattle/Tacoma Intl
SEA
Seattle/Tacoma Intl
KLM
   
2 STOPS
DUB
Dublin

Dublin International to Seattle 2021 flight deals

Cheap flights to Seattle from Dublin International found for this year
22 Apr - 26 Apr
£251pp
DUB
Dublin
Delta
 
1 STOP
SEA
Seattle/Tacoma Intl
SEA
Seattle/Tacoma Intl
Delta
 
1 STOP
DUB
Dublin
22 Apr - 26 Apr
£313pp
DUB
Dublin
Icelandair
 
1 STOP
SEA
Seattle/Tacoma Intl
SEA
Seattle/Tacoma Intl
Icelandair
 
1 STOP
DUB
Dublin
9 May - 17 Sep
£377pp
DUB
Dublin
Icelandair
 
1 STOP
SEA
Seattle/Tacoma Intl
SEA
Seattle/Tacoma Intl
Icelandair
 
1 STOP
DUB
Dublin

Last-minute flights from Dublin International to Seattle

Late deals on return flights to Seattle from Dublin International, departing today and this week
29 Jan - 29 Jan
£952pp
DUB
Dublin
Multiple airlines
   
2 STOPS
SEA
Seattle/Tacoma Intl
SEA
Seattle/Tacoma Intl
Delta
   
2 STOPS
DUB
Dublin

One-way flights to Seattle from Dublin International

The cheapest one-way flights from Dublin International to Seattle
00:55 - 06:35
KLM
1 stop
13h 40m
DUB - SEA
KLM
£310
KLM
00:55 - 06:40
Delta
1 stop
13h 45m
DUB - SEA
Delta
£929
Delta
00:55 - 12:48
KLM
2 stops
19h 53m
DUB - SEA
KLM
£314
KLM

Related info for your journey

Useful info, stats and facts about Dublin International to Seattle flights.

Flight FAQs

From Dublin International 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 International to Seattle for under £293 on Cheapflights?

Yes, there are multiple flights from Dublin International to Seattle for under £293. The cheapest flight booked recently is on Delta for just £251, but on average you can expect to pay £406.

Are there direct flights from Dublin International to Seattle for under £220 on Cheapflights?

There are no direct flights from Dublin International to Seattle, but Cheapflights can provide you with all the information you need to find the fastest route with the fewest stops.

Are there last-minute flights available from Dublin International to Seattle for under £952?

There are currently 1+ open flights from Dublin International to Seattle within the next 7 days for less than £952.

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 26 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 International to Seattle?

Airlines like KLM, Icelandair, and British Airways fly from Dublin International to Seattle in about 13h 11m. The time it takes to get you to your destination can typically vary by up to 3h 44m. Both multi-stop and direct flights can be found to your destination and back.

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

Flying on Delta is currently your cheapest option to Seattle, with prices starting at £252. Additional return tickets that might be worth considering are offered by Icelandair and KLM, with the lowest prices starting at £314 and £379, respectively. Delta is 41% 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 International 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 £310. KLM is not the only option available. At the moment, Delta is another option, for £929.

Destination information for Seattle

Things to know before you go. Useful info for your trip from Dublin International to Seattle
Today's exchange rate
£1 = $1.37
Average temperature for January in Seattle
9.0 °C
Avg rainfall for January in Seattle
144.0 mm

Airports servicing Dublin

Airports servicing Seattle

Top 8 airlines flying from Dublin International to Seattle

The chart below displays the airlines Cheapflights users travelling from Dublin International 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
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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