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Cheap flights from Ireland to Seattle from $340

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

Cheap round-trip flights

Recommended round-trip 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 layover.

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.
4:40 pm - 10:28 amDUB-SEA
25h 48m1 stop
8:00 pm - 1:10 pmSEA-DUB
9h 10mnonstop
Fri, Feb 14 - Fri, Feb 28
4:40 pm - 10:28 amDUB-SEA
25h 48m1 stop
6:03 pm - 5:15 amSEA-DUB
27h 12m1 stop
Fri, Feb 14 - Fri, Feb 28
12:30 pm - 10:25 pmDUB-SEA
41h 55m2 stops
11:45 am - 11:40 amSEA-DUB
39h 55m2 stops
$523Scandinavian Airlines
Find Deal
Wed, Feb 5 - Wed, Feb 12
11:30 am - 5:00 pmDUB-SEA
13h 30m1 stop
2:35 pm - 10:15 amSEA-DUB
11h 40m1 stop
$525Icelandair
Find Deal
Sat, Feb 1 - Sun, Feb 9
12:30 pm - 10:25 pmDUB-SEA
41h 55m2 stops
11:45 am - 11:40 amSEA-DUB
39h 55m2 stops
$555Scandinavian Airlines
Find Deal
Wed, Feb 5 - Wed, Feb 12
12:15 pm - 5:50 pmDUB-SEA
13h 35m1 stop
3:45 pm - 11:05 amSEA-DUB
11h 20m1 stop
$569Icelandair
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Thu, May 8 - Thu, May 29
4:30 pm - 6:15 pmDUB-SEA
9h 45mnonstop
8:00 pm - 1:10 pmSEA-DUB
9h 10mnonstop
$614Aer Lingus
Find Deal
Fri, Feb 14 - Fri, Feb 28
3:55 pm - 4:55 pmDUB-SEA
33h 00m1 stop
11:10 pm - 8:40 amSEA-DUB
25h 30m1 stop
$653American Airlines
Find Deal
Fri, Feb 14 - Fri, Feb 28
4:30 pm - 6:15 pmDUB-SEA
9h 45mnonstop
6:50 pm - 5:00 pmSEA-DUB
14h 10m1 stop
$716Aer Lingus
Find Deal
Fri, Feb 14 - Fri, Feb 21
4:30 pm - 6:15 pmDUB-SEA
9h 45mnonstop
6:50 pm - 5:00 pmSEA-DUB
14h 10m1 stop
$734American Airlines
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Fri, Feb 14 - Fri, Feb 28
1:00 pm - 10:00 amDUB-SEA
53h 00m3 stops
Tue, Jan 28
1:00 pm - 2:21 pmDUB-SEA
57h 21m2 stops
Tue, Jan 28
11:30 am - 5:00 pmDUB-SEA
13h 30m1 stop
$401Icelandair
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Wed, Jan 15
12:15 pm - 8:40 pmDUB-SEA
16h 25m1 stop
$436Icelandair
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Tue, Apr 29
11:20 am - 8:28 pmDUB-SEA
41h 08m2 stops
$567WestJet
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Thu, May 1
11:20 am - 8:28 pmDUB-SEA
41h 08m2 stops
$596WestJet
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Tue, Apr 29
3:25 pm - 5:05 pmDUB-SEA
9h 40mnonstop
$609Aer Lingus
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Tue, Apr 29
8:40 am - 5:55 pmDUB-SEA
16h 15m1 stop
$632British Airways
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Sat, Mar 15
12:35 pm - 10:09 pmDUB-SEA
17h 34m1 stop
$676Aer Lingus
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Thu, May 1
3:00 pm - 11:20 amDUB-SEA
28h 20m2 stops
$852British Airways
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Mon, Jan 6
11:30 am - 5:00 pmDUB-SEA
13h 30m1 stop
7:05 pm - 10:15 amSEA-DUB
31h 10m1 stop
$867Icelandair
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Sat, Dec 28 - Sat, Jan 4
11:30 am - 5:00 pmDUB-SEA
13h 30m1 stop
2:00 pm - 9:20 pmSEA-DUB
23h 20m2 stops
$1,240
Find Deal
Sat, Dec 28 - Sat, Jan 4
11:30 am - 5:00 pmDUB-SEA
13h 30m1 stop
6:34 pm - 10:15 amSEA-DUB
31h 41m3 stops
$1,272
Find Deal
Sat, Dec 28 - Sat, Jan 4
11:50 am - 11:34 amDUB-SEA
31h 44m2 stops
7:20 pm - 10:05 amSEA-DUB
30h 45m3 stops
$1,287United Airlines
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Sat, Dec 28 - Sat, Jan 4
9:00 am - 1:24 pmDUB-SEA
36h 24m3 stops
7:20 pm - 10:05 amSEA-DUB
30h 45m3 stops
$1,294United Airlines
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Sat, Dec 28 - Sat, Jan 4
12:30 pm - 10:17 pmDUB-SEA
17h 47m1 stop
12:31 am - 5:15 amSEA-DUB
20h 44m1 stop
$2,147
Find Deal
Sat, Dec 28 - Fri, Jan 3
12:30 pm - 11:39 pmDUB-SEA
43h 09m2 stops
12:31 am - 5:15 amSEA-DUB
20h 44m1 stop
$2,207Aer Lingus
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Sat, Dec 28 - Fri, Jan 3
4:15 am - 11:34 pmDUB-SEA
51h 19m2 stops
7:47 am - 4:10 pmSEA-DUB
24h 23m2 stops
$3,997TAP AIR PORTUGAL
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Sat, Dec 28 - Sun, Jan 5
4:30 pm - 6:15 pmDUB-SEA
9h 45mnonstop
8:00 pm - 1:10 pmSEA-DUB
9h 10mnonstop
$444Aer Lingus
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Fri, Feb 14 - Fri, Feb 28
4:30 pm - 6:15 pmDUB-SEA
9h 45mnonstop
8:00 pm - 1:10 pmSEA-DUB
9h 10mnonstop
$451Aer Lingus
Find Deal
Fri, Feb 14 - Fri, Feb 28
4:30 pm - 6:15 pmDUB-SEA
9h 45mnonstop
8:00 pm - 1:10 pmSEA-DUB
9h 10mnonstop
$452Aer Lingus
Find Deal
Fri, Feb 14 - Fri, Feb 28
4:30 pm - 6:15 pmDUB-SEA
9h 45mnonstop
8:00 pm - 1:10 pmSEA-DUB
9h 10mnonstop
$614Aer Lingus
Find Deal
Fri, Feb 14 - Fri, Feb 28
4:30 pm - 6:15 pmDUB-SEA
9h 45mnonstop
8:00 pm - 1:10 pmSEA-DUB
9h 10mnonstop
$740British Airways
Find Deal
Fri, Feb 14 - Fri, Feb 28
4:30 pm - 6:15 pmDUB-SEA
9h 45mnonstop
8:00 pm - 1:10 pmSEA-DUB
9h 10mnonstop
$770British Airways
Find Deal
Fri, Feb 14 - Fri, Feb 28
4:30 pm - 6:15 pmDUB-SEA
9h 45mnonstop
8:00 pm - 1:10 pmSEA-DUB
9h 10mnonstop
$773British Airways
Find Deal
Fri, Feb 14 - Sun, Mar 2
3:25 pm - 5:05 pmDUB-SEA
9h 40mnonstop
6:50 pm - 11:55 amSEA-DUB
9h 05mnonstop
$803American Airlines
Find Deal
Thu, May 8 - Thu, May 29
3:25 pm - 5:05 pmDUB-SEA
9h 40mnonstop
6:50 pm - 11:55 amSEA-DUB
9h 05mnonstop
$901American Airlines
Find Deal
Fri, Apr 11 - Sat, Apr 19
3:25 pm - 5:05 pmDUB-SEA
9h 40mnonstop
6:50 pm - 11:55 amSEA-DUB
9h 05mnonstop
$959American Airlines
Find Deal
Thu, May 1 - Mon, Sep 1

Delta flights from Ireland to Seattle

Our best Delta deals on Ireland to Seattle flight tickets
Delta
Jan 19
DUB5:55 amDublin
13h 56m
1 stop
SEA11:51 amSeattle/Tacoma Intl
Jan 26
SEA7:28 amSeattle/Tacoma Intl
24h 12m
2 stops
DUB3:40 pmDublin
Delta
Feb 14
DUB5:55 amDublin
13h 51m
1 stop
SEA11:46 amSeattle/Tacoma Intl
Feb 21
SEA7:25 amSeattle/Tacoma Intl
21h 15m
2 stops
DUB12:40 pmDublin
Delta
Jan 19
DUB5:55 amDublin
20h 28m
2 stops
SEA6:23 pmSeattle/Tacoma Intl
Jan 26
SEA7:28 amSeattle/Tacoma Intl
24h 12m
2 stops
DUB3:40 pmDublin

British Airways flights from Ireland to Seattle

Our best British Airways deals on Ireland to Seattle flight tickets
British Airways
Jan 18
DUB8:40 amDublin
16h 15m
1 stop
SEA4:55 pmSeattle/Tacoma Intl
Jan 25
SEA1:45 pmSeattle/Tacoma Intl
17h 15m
1 stop
DUB3:00 pmDublin
British Airways
Feb 14
DUB10:45 amDublin
14h 10m
1 stop
SEA4:55 pmSeattle/Tacoma Intl
Feb 28
SEA1:45 pmSeattle/Tacoma Intl
19h 15m
1 stop
DUB5:00 pmDublin
British Airways
Feb 5
DUB10:25 amDublin
14h 30m
1 stop
SEA4:55 pmSeattle/Tacoma Intl
Feb 12
SEA2:19 pmSeattle/Tacoma Intl
21h 21m
2 stops
DUB7:40 pmDublin

See travel insights to Seattle from

How to get the cheapest flight ticket from Ireland to Seattle

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Seattle?

In general, November is the cheapest month to fly from Ireland to Seattle. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $615. If you don’t want to visit Seattle in November, then you should wait until February to fly from Ireland, when ticket prices are also cheap, with an average price of $641.

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

On average, the least expensive day to fly to Seattle from Ireland is on a Wednesday. momondo users have found tickets for Wednesday departures for as low as $775. However, this price may fluctuate depending on the airline, the season, and holidays. On the other hand, Sunday is the most expensive day to depart from Ireland because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $1,094.

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

Flying to Seattle from Ireland in the morning is the least expensive time of day to depart. momondo users have found prices as low as $750 when looking at flights departing in the morning. Flights to Seattle are more costly in the afternoon, with an average ticket price of $846. Departure times in the afternoon fall within the peak daily travel times, which is why tickets can be more expensive.

What is the cheapest Ireland to Seattle/Tacoma Intl flight route?

Fly from Dublin to Seattle/Tacoma Intl for the best Ireland - Seattle/Tacoma Intl flight prices

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

You are more likely to see cheaper flights to Seattle from Ireland when booking 59 days ahead of your departure date. In general, you can expect to find flights to Seattle for around $759 when searching 59 days out. Keep in mind that you might be able to find cheaper flights to Seattle at any time. In fact, our users found flights for as low as $296 in the past 72 hours.

What cabin class options are available on Ireland to Seattle/Tacoma Intl flights?

There are 4 cabin classes available to choose from on Ireland to Seattle/Tacoma Intl flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Ireland to Seattle flights?

You could potentially save up to 43% on your flight if you consider stops on a Ireland to Seattle flight.

Cheap Ireland to Seattle flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Ireland to Seattle

Best Price Found

$340

Fastest flight time

9h 40m

Direct flights

Mon, Tue, Wed, Fri, Sat and Sun

Airports in Seattle

1 airport
The best one-way flight to Seattle from Ireland in the past 72 hours is $340. The best round-trip flight deal from Ireland to Seattle found on momondo in the last 72 hours is $504.
The fastest flight from Ireland to Seattle takes 9h 40m
Direct flights go from Ireland to Seattle on Monday, Tuesday, Wednesday, Friday, Saturday and Sunday. Airlines offering direct flights are: Aer Lingus, American Airlines and British Airways.
There is 1 airport near Seattle: Seattle/Tacoma Intl (SEA)

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

    Prices for flights from Ireland to Seattle/Tacoma Intl Airport were last updated today.

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

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

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Ireland to Seattle/Tacoma Intl Airport.

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

    The travel and health documents required for your trip to Seattle/Tacoma Intl Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Seattle/Tacoma Intl Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

  • What is the most popular plane model from Ireland to Seattle?


Best airlines flying from Ireland to Seattle

Compare and see reviews for airlines that fly from Ireland to Seattle with momondo
Airline
Rating
Free Cancellation
Price
Aer LingusPriceFrom $496Free CancellationRating
7.1
1,076 reviews
Search Aer Lingus flights
IcelandairPriceFrom $556Free CancellationRating
7.1
506 reviews
Search Icelandair flights
American AirlinesPriceFrom $640Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights

Why use momondo?

Why should I use momondo to find a flight deal from Ireland 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 from Ireland.

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

Flights from Ireland 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 from Ireland to Seattle?

momondo provides multiple filters to help you find the best flight to Seattle from Ireland. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from Ireland 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 from Ireland and alert you when they change.


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