Latest deals
Insights
When to book
FAQs
Price Alerts
Flights to Seattle/Tacoma Intl

€345 Cheap flights to Seattle

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight to Seattle departing on 28/1. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

Deals available from 900+ travel sites.

'This year, momondo is the #1 place for airfares on the internet.'
Voted the Winner of Europe's Best Travel App 2023
Save money when you book flights with momondo
Big names, great deals
Big names, great deals
Search 100s of travel sites to compare prices.
Filter for what you want
Filter for what you want
Free Wi-Fi? Stopover? Instantly customise your results.
Trusted and free
Trusted and free
We’re completely free to use - no hidden charges or fees.
Price Alerts
Price Alerts
Not ready to book? to track prices.

Find the cheapest flights from Ireland to Seattle

Cheap return flights

Recommended return deals departing in the coming months from the most popular airlines that fly to Seattle.

Cheap one-way flights

Only flying one-way? Below are some of the best one-way flight deals to Seattle found on KAYAK recently.

Cheap last-minute flights

Leaving soon but still want a bargain? Check out these latest deals for last-minute flights to Seattle.

Cheap direct flights

The latest deals for direct flights to Seattle so you can sit back and relax without the need for a stopover.

Cheap bus & train deals to Seattle

Find recent round-trip train or bus tickets from Ireland to Seattle.

All round-trip flight deals to Seattle

The cheapest plane tickets to Seattle found on KAYAK recently.
11:30 - 17:00DUB-SEA
13h 30m1 stop
14:35 - 10:15SEA-DUB
11h 40m1 stop
€487Icelandair
Find Deal
Wed, 22 Jan - Wed, 29 Jan
12:30 - 22:21DUB-SEA
41h 51m2 stops
07:30 - 11:40SEA-DUB
20h 10m2 stops
€494Scandinavian Airlines
Find Deal
Tue, 21 Jan - Tue, 28 Jan
12:30 - 22:25DUB-SEA
41h 55m2 stops
16:00 - 09:25SEA-DUB
33h 25m1 stop
€497Scandinavian Airlines
Find Deal
Tue, 14 Jan - Fri, 23 May
16:40 - 10:36DUB-SEA
25h 56m1 stop
18:00 - 10:20SEA-DUB
32h 20m1 stop
€504
Find Deal
Tue, 21 Jan - Tue, 28 Jan
16:40 - 10:36DUB-SEA
25h 56m1 stop
11:46 - 10:20SEA-DUB
14h 34m1 stop
€522
Find Deal
Sat, 8 Feb - Sat, 15 Feb
16:30 - 18:15DUB-SEA
9h 45mdirect
20:00 - 13:10SEA-DUB
9h 10mdirect
€602Aer Lingus
Find Deal
Mon, 23 Dec - Fri, 21 Feb
20:45 - 11:15DUB-SEA
22h 30m1 stop
09:25 - 07:45SEA-DUB
14h 20m1 stop
€621KLM
Find Deal
Sun, 13 Apr - Sun, 20 Apr
10:30 - 16:55DUB-SEA
14h 25m1 stop
14:45 - 09:55SEA-DUB
12h 10m1 stop
€641British Airways
Find Deal
Thu, 6 Mar - Fri, 14 Mar
10:25 - 16:55DUB-SEA
14h 30m1 stop
19:50 - 17:25SEA-DUB
14h 35m1 stop
€670British Airways
Find Deal
Wed, 5 Mar - Thu, 13 Mar
16:30 - 18:15DUB-SEA
9h 45mdirect
13:45 - 11:15SEA-DUB
13h 30m1 stop
€684Aer Lingus
Find Deal
Mon, 23 Dec - Fri, 21 Feb
13:00 - 10:00DUB-SEA
53h 00m3 stops
€345
Find Deal
Tue, 28 Jan
13:00 - 14:21DUB-SEA
57h 21m2 stops
€349
Find Deal
Tue, 28 Jan
18:00 - 10:00DUB-SEA
48h 00m3 stops
€352
Find Deal
Tue, 21 Jan
12:15 - 17:50DUB-SEA
13h 35m1 stop
€388Icelandair
Find Deal
Wed, 9 Apr
11:30 - 17:00DUB-SEA
13h 30m1 stop
€395Icelandair
Find Deal
Tue, 21 Jan
15:25 - 17:05DUB-SEA
9h 40mdirect
€527Aer Lingus
Find Deal
Sat, 24 May
15:25 - 17:05DUB-SEA
9h 40mdirect
€528Aer Lingus
Find Deal
Sat, 24 May
08:40 - 16:55DUB-SEA
16h 15m1 stop
€607British Airways
Find Deal
Tue, 28 Jan
13:35 - 11:20DUB-SEA
29h 45m1 stop
€639British Airways
Find Deal
Fri, 10 Jan
05:55 - 14:45DUB-SEA
16h 50m2 stops
€1,019KLM
Find Deal
Tue, 7 Jan
12:30 - 22:15DUB-SEA
41h 45m2 stops
11:45 - 11:40SEA-DUB
39h 55m2 stops
€680Scandinavian Airlines
Find Deal
Wed, 11 Dec - Mon, 10 Feb
14:05 - 22:21DUB-SEA
16h 16m1 stop
18:50 - 17:05SEA-DUB
14h 15m1 stop
€723
Find Deal
Wed, 11 Dec - Mon, 10 Feb
09:00 - 22:10DUB-SEA
21h 10m1 stop
19:05 - 07:10SEA-DUB
28h 05m2 stops
€761Air Canada
Find Deal
Wed, 11 Dec - Mon, 10 Feb
16:30 - 18:15DUB-SEA
9h 45mdirect
18:50 - 17:05SEA-DUB
14h 15m1 stop
€830
Find Deal
Wed, 11 Dec - Mon, 10 Feb
14:05 - 22:21DUB-SEA
16h 16m1 stop
13:45 - 09:55SEA-DUB
12h 10m1 stop
€995British Airways
Find Deal
Fri, 13 Dec - Fri, 20 Dec
11:10 - 12:15DUB-SEA
33h 05m3 stops
19:05 - 07:10SEA-DUB
28h 05m2 stops
€1,007
Find Deal
Wed, 11 Dec - Mon, 10 Feb
16:30 - 18:15DUB-SEA
9h 45mdirect
13:45 - 09:55SEA-DUB
12h 10m1 stop
€1,059British Airways
Find Deal
Fri, 13 Dec - Fri, 20 Dec
16:30 - 18:15DUB-SEA
9h 45mdirect
20:00 - 13:10SEA-DUB
9h 10mdirect
€1,098American Airlines
Find Deal
Fri, 13 Dec - Fri, 20 Dec
06:40 - 23:59DUB-SEA
25h 19m2 stops
13:45 - 09:55SEA-DUB
12h 10m1 stop
€1,116British Airways
Find Deal
Fri, 13 Dec - Fri, 20 Dec
16:30 - 18:15DUB-SEA
9h 45mdirect
00:31 - 05:15SEA-DUB
20h 44m1 stop
€1,471Aer Lingus
Find Deal
Fri, 13 Dec - Thu, 19 Dec
16:30 - 18:15DUB-SEA
9h 45mdirect
20:00 - 13:10SEA-DUB
9h 10mdirect
€602Aer Lingus
Find Deal
Mon, 23 Dec - Fri, 21 Feb
15:25 - 17:05DUB-SEA
9h 40mdirect
18:50 - 11:55SEA-DUB
9h 05mdirect
€687Aer Lingus
Find Deal
Wed, 23 Apr - Sat, 10 May
15:25 - 17:05DUB-SEA
9h 40mdirect
18:50 - 11:55SEA-DUB
9h 05mdirect
€714Aer Lingus
Find Deal
Sun, 18 May - Wed, 28 May
15:25 - 17:05DUB-SEA
9h 40mdirect
18:50 - 11:55SEA-DUB
9h 05mdirect
€748Aer Lingus
Find Deal
Sat, 17 May - Mon, 26 May
15:25 - 17:05DUB-SEA
9h 40mdirect
18:50 - 11:55SEA-DUB
9h 05mdirect
€882British Airways
Find Deal
Wed, 23 Apr - Sat, 10 May
15:25 - 17:05DUB-SEA
9h 40mdirect
18:50 - 11:55SEA-DUB
9h 05mdirect
€887
Find Deal
Thu, 8 May - Thu, 29 May
15:25 - 17:05DUB-SEA
9h 40mdirect
18:50 - 11:55SEA-DUB
9h 05mdirect
€892American Airlines
Find Deal
Mon, 21 Apr - Sat, 10 May
15:25 - 17:05DUB-SEA
9h 40mdirect
18:50 - 11:55SEA-DUB
9h 05mdirect
€917
Find Deal
Fri, 9 May - Fri, 30 May
15:25 - 17:05DUB-SEA
9h 40mdirect
18:50 - 11:55SEA-DUB
9h 05mdirect
€922American Airlines
Find Deal
Fri, 11 Apr - Sat, 19 Apr
15:25 - 17:05DUB-SEA
9h 40mdirect
18:50 - 11:55SEA-DUB
9h 05mdirect
€977British Airways
Find Deal
Sun, 13 Apr - Sun, 20 Apr

See travel insights to Seattle from

Seattle flights insights and trends

Explore insights for your Seattle flight to craft the best travel plan

What is the cheapest month to fly to Seattle?

If you’re not able to fly to Seattle in November, then February is your next best option. Flight prices from Ireland to Seattle during February average around €607.

What is the absolute cheapest flight to Seattle?

See prices from:

What is the cheapest day to depart on your flight to Seattle?

Our data shows that Wednesday is the least expensive day to fly to Seattle. Tickets to fly out on this day can be as low as €656. Flights from Ireland to Seattle on a Saturday will generally be more expensive and average around €973. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

What is the cheapest time of day to depart on your flight to Seattle?

Our data shows that the cheapest Ireland to Seattle flights are usually those with departure times in the morning. Our users have found flights to Seattle in the morning for as low as €629. Flights at midday are often more expensive, with an average ticket price of €752.

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

We recommend purchasing flights from Ireland to Seattle 59 days ahead of your departure date because this is when momondo users tend to see the best flight rates. On average, our users have found flights to Seattle for €721. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Seattle from Ireland for as low as €280 on momondo.

Cheapest flights to Seattle/Tacoma Intl

Find the cheapest flights to Seattle/Tacoma Intl from your nearest city or airport
CHEAPEST MONTH TO FLY TO SEATTLE FROM DUBLINNovember20% cheaperFlying from Dublin to Seattle costs on average just €582 in November
MOST EXPENSIVE MONTH TO FLY TO SEATTLE FROM DUBLINJuly38% more expensiveIt costs about €997 for flights to Seattle from Dublin in July
MOST POPULAR MONTH TO FLY TO SEATTLE FROM DUBLINSeptember225% more users visitedMore momondo users searched in flights to Seattle from Dublin in September than any other month

Cheap Seattle flight deals and tips

Summary info about Seattle flight prices, duration and airlines

Best One-Way Price

€345

Best Round-Trip Price

€487

Fastest flight time

9h 40m

Popular in

July
The best one-way flight price to Seattle from Ireland in the last 72 hours is €345 (Dublin to Seattle/Tacoma Intl).
The best round-trip flight price to Seattle from Ireland in the last 72 hours is €487 (Dublin to Seattle/Tacoma Intl).
The fastest flight to Seattle from Ireland takes 9h 40m (Dublin to Seattle/Tacoma Intl).
July has the highest demand for flights to Seattle, with a 21% price increase on average.

Frequently asked questions about flying to Seattle

When did momondo last update prices for flights to Seattle/Tacoma Intl Airport?

Prices for flights to Seattle/Tacoma Intl Airport are refreshed on a daily basis.

How many operators does momondo search for flights to Seattle/Tacoma Intl Airport?

How old do you have to be to fly to Seattle/Tacoma Intl Airport?

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel to Seattle/Tacoma Intl Airport.

What documentation or ID do you need to fly to Seattle/Tacoma Intl Airport?

The travel and health documents you'll need for your trip to Seattle/Tacoma Intl Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's licence and a passport that is valid for six months after your intended arrival at Seattle/Tacoma Intl Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.


Why use momondo?

Why should I use momondo to find a flight deal to Seattle?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Seattle.

Can I find flights to Seattle with flexible booking policies on momondo?

Flights to Seattle with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights to Seattle?

Once all potential Seattle flight options are in front of you momondo lets you sort and filter flights based on preferences such as airline, price and flight times, amongst many other options.

I’m not ready to book a flight to Seattle right now. Can momondo alert me if prices change?

If you are simply researching potential flights to Seattle, momondo offers a useful price alert feature which will track prices for flights to Seattle and alert you when they change.


An easier way to manage your Seattle/Tacoma Intl trip

We make it super easy to schedule, organise and travel with friends or family. Trips is free – and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
From?
To?
Fri 13/12
Fri 20/12
Email me momondo's favourite deals

Find better results for your trip to Seattle

Popular Flights to Seattle

Popular routes according to searches in the past day on momondo

Cheapest flight routes to Seattle/Tacoma Intl

These routes have the cheapest flights to Seattle/Tacoma Intl found by momondo users in Ireland
DepartingDestinationBest TimeBest Price
DublinSeattle9h 40m€484
CorkSeattle17h 55m€616
ShannonSeattle18h 30m€818