Cheap Flights from Dublin to Seattle

Compare Dublin to Seattle flight deals

Find the cheapest month or even day of the year to fly to Seattle

Book the best Seattle fare with no extra fees

Flight deals from Dublin to Seattle

Looking for a cheap last-minute deal or the best return flight from Dublin to Seattle? Find the lowest prices on one-way and return tickets right here.

Find the cheapest month to fly from Dublin to Seattle

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Dublin to Seattle flights are currently cheapest in September.

Direct flights from Dublin to Seattle

Alternative Dublin to Seattle routes

Looking for the cheapest, fastest or easiest route from Dublin to Seattle? You could fly into the following airports instead.

Dublin to Seattle: Flight information

The things to know before you go.
Cheapest flight foundRs84,083
Cheapest month to flySeptember
Average flight time9 hrs, 45 mins
Most popular airlineAer Lingus
Average flights per week17

Finding cheap flights from Dublin to Seattle: Frequently asked questions

There are 4 airports in Seattle: Seattle Lake Union SPB, Seattle Boeing Fld, Seattle / Tacoma International, and Paine Field.
The best price we found for a return flight from Dublin to Seattle is Rs119,757. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
9 hours and 45 minutes is the average flight time from Dublin to Seattle.
Aer Lingus, American Airlines and British Airways fly direct from Dublin to Seattle.
As of August 2025, there are 34 flights per week flying from Dublin to Seattle.
The cheapest month to fly from Dublin to Seattle is usually October.
If you're flying from Dublin Airport, the cheapest airport near Seattle is Seattle / Tacoma International – which is 19.5 km away from the centre of Seattle. We've found flights into this airport from Rs119,757.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Dublin Airport to Seattle on Saturday, 11 October 2025.
Yes – the average flight time is 9 hours and 45 minutes.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Seattle but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Seattle is around 40 days in advance, so don’t leave your flight to the last minute.
In August, the average temperature is usually around 18°C. August is typically the warmest month in Seattle, when it usually averages around 23°C. You can expect the least rain in July. The coldest month is December, with temperatures averaging 0°C. The rainiest month is November.
Currently, Scandinavian Airlines and Aer Lingus offer the cheapest flight tickets to Seattle.

Travelling from Dublin Airport (DUB) to Seattle: what you need to know

  • Around 9 hours is how long you'll be travelling on a direct flight from Dublin Airport to Seattle.

  • Dublin Airport is located in Dublin. Based in the UTC-7 timezone, Seattle is seven hours behind Dublin.

  • With five weekly departures between the two airports, Dublin Airport (DUB) to Seattle-Tacoma International Airport (SEA) is the busiest route. Board Aer Lingus's 15:20 flight to get your trip from DUB to SEA underway.

  • For hassle-free travel, arrive at the airport two hours ahead of international flights and an hour before domestic departures. That way, you can comfortably board your DUB to Seattle flight.

  • Taking off during a peak time like a bank holiday? Expect longer queues at security and check-in. To be on the safe side, arrive up to four hours before international flights and two hours before domestic departures.

  • Direct Dublin Airport to Seattle tickets are available for booking. Seattle-Tacoma International Airport (SEA) is where you'll arrive.

  • Take to the skies with Aer Lingus. This popular carrier offers direct flights from Dublin Airport to Seattle.

  • We make it a breeze to book flight tickets from DUB to Seattle with a stopover. To see the options, uncheck 'Direct flights only.' Next, pick a flight with a stop long enough to see the sights of your chosen city. Top stopovers include:

    • London Heathrow Airport (LHR)

    • Amsterdam Airport Schiphol (AMS)

    • Charles de Gaulle Airport (CDG)

  • The journey from central Dublin to DUB takes around 2 hours 10 minutes on public transport. If you drive, ride-share or grab a cab, you'll cover the 8 kilometres in 30 minutes or so, depending on traffic.

  • Looking for a hotel near DUB? If you're boarding an early flight from Dublin Airport to Seattle, these accommodation options will get you from your pillow to the plane in no time:

  • When it comes to the on-time performance of Dublin Airport, 72.87% of flights arrive within the expected time frame.

How to find the cheapest flights from Dublin Airport (DUB) to Seattle

  • Rs84,083 is currently the lowest price for a one-way Dublin Airport to Seattle flight. A return flight ticket starts from Rs119,757. These fares may change based on demand and availability.

  • To score cheap flights from DUB to Seattle, reserve your journey two months before your departure.

  • June is the best month for landing a fantastic deal on Dublin Airport to Seattle tickets. If you need to travel at a different time of year, the 'Whole month' tool will show you the lowest prices for each month.

  • Spend less time searching for cheap flights from DUB to Seattle by creating a Price Alert. You'll get an email or notification on the app when a special offer becomes available.

  • Save money on your flight from Dublin Airport to Seattle with the help of our filters. Select your ideal duration, number of stops and airlines, then sort the results by 'Cheapest' for the best deals.

Airports in Seattle

Seattle-Tacoma International Airport (SEA)

  • Seattle-Tacoma International Airport (SEA) to the centre of Seattle takes about 20 minutes by car. The centre is roughly 23 kilometres away.

  • It'll take around 55 minutes when travelling by public transport.

  • Book a hotel close to SEA if you're coming in on a late flight from Dublin Airport to Seattle. Choose one of these options and make your first night all about catching up on rest:

  • Pick up a Seattle-Tacoma International Airport rental car and discover Seattle and beyond with your own wheels. Thrifty, Europcar and Budget are top outlets to choose from here.

  • Lock in the lowest price by booking your ride from Seattle-Tacoma International Airport around one week before your flight from DUB to Seattle.

Lake Union Sea Plane Base Airport (LKE)

  • Lake Union Sea Plane Base Airport (LKE) is roughly 3 kilometres from central Seattle. Following your flight from Dublin Airport to Seattle, it'll take you around 10 minutes to get to the heart of the city in a ride-share or cab.

  • Public transport will get you there in around 25 minutes.

  • Following your DUB to Seattle flight, kick back at a hotel close to LKE. These are some great accommodation options that'll help you switch to relaxation mode:

Best time to go to Seattle

  • Plan your trip to Seattle in high season if you prefer a bustling atmosphere, but remember that prices are generally higher. Alternatively, book flights from Dublin Airport to Seattle in the off-season when prices are cheaper and it's not as busy.

  • The warmest month in Seattle is August, with temperatures ranging between 12ºC and 28ºC. Book your Dublin Airport to Seattle flight ticket then if this is the type of weather you enjoy.

  • February has average temperatures of between -1ºC and 11ºC. Look for a cheap ticket from DUB to Seattle around that time if you like travelling in cooler conditions.

More about Seattle

  • Start your Seattle trip off on the right foot by choosing the perfect place to stay. Once you've booked your flight from Dublin Airport to Seattle, check out our range of hotels including:

  • LMN Architects and Greyhound: Bus Station are just the start of the popular attractions to add to your Seattle to-do list. Continue your sightseeing adventures at Boeing Radiation Effects Lab.

Explore more of United States

  • Seattle is easy to fall in love with, but there are so many other parts of United States just waiting to be discovered. About 241 kilometres south of Seattle, a visit to Portland will keep you on the go. Start with leading attractions like Pioneer Courthouse Square, Portland Japanese Garden and Pittock Mansion.

  • If you're interested in discovering another great destination in United States, head for Spokane, roughly 370 kilometres east of Seattle. Manito Park, Northwest Museum of Arts & Culture and Spokane Falls are the start of reasons to visit.

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.