How popular is this Ireland to Seattle flight route?

This flight path from Ireland to Seattle/Tacoma Intl was viewed by 2 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

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

One-way options have recently been found by users for as low as $315 on WestJet. Other airlines that offer cheap prices include Scandinavian Airlines from $457 and Icelandair from $472 one-way.

What is the cheapest day to fly from Ireland to Seattle?

Travelers seeking maximum savings on their Ireland to Seattle flight should consider departing on Sunday afternoons when fares are most often at their lowest. Saturday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

What are the most popular routes from Ireland to Seattle?

The most popular route from Ireland to Seattle is Dublin - Seattle/Tacoma Intl. You may also consider Shannon - Seattle/Tacoma Intl or Cork - Seattle/Tacoma Intl.

What are the cheapest flights from Ireland to Seattle?

On average you can expect to pay $798 for a flight from Ireland to Seattle. The cheapest flight overall is $555 while the most popular route, (Dublin - Seattle/Tacoma Intl) is currently priced at $402.

What are the most reliable airlines from Ireland to Seattle?

The top 3 most reliable airlines when flying from Ireland to Seattle are American Airlines (83%), Aer Lingus (83%) and British Airways (83%).

What are the most popular airlines that fly from Ireland to Seattle?

The most popular airlines flying from Ireland to Seattle are American Airlines, Aer Lingus and Icelandair. Something to consider prior to booking your flight.

What is the cheapest day to fly round-trip from Ireland to Seattle?

Flights from Ireland to Seattle are found to be more expensive on Friday. 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 Ireland to Seattle?

Travelers have found it’s best to book a flight 21 days in advance to save up to 64% 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 21 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 Ireland to Seattle 1-2 weeks in advance for as low as $652, or $830 for flights within the next 24 hours.

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

February can be a great time to fly to Seattle from Ireland with a flight ticket averaging about $742. Cheapflights users have found deals in the month of February for as cheap as $486. The most expensive prices can be found in the month of July.

What airport do you fly into for flights to Seattle from Ireland?

If you book a flight to Seattle from Ireland, you will be flying to Seattle/Tacoma Intl, which is the city’s only airport. Seattle/Tacoma Intl (SEA) is located 11.4 mi from the center of Seattle.

Can I find deals for flights from Ireland to Seattle that include hotel bookings?

Yes. In addition to deals on Ireland to Seattle flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from Ireland to Seattle?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Ireland to Seattle.

Can I find deals for business class flights from Ireland to Seattle?

Yes. Cheapflights offers flight deals from Ireland to Seattle by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

$809+ Flights from Ireland to Seattle

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Cheap flight deals from Ireland to Seattle

Most accurate provider	AranGrant 3 stars
Most trusted provider	AranGrant 3 stars
Round-trip from	$399 (lastminute.com)
One-way from	$315 (Kiwi.com)
Popular in	July
Cheapest in	February
Average price	$659
Good round-trip deal	$874 or less
Good one-way deal	$573 or less

Provider with most accurate pricing for Dublin-Seattle/Tacoma Intl flight deals.

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Provider most trusted by Cheapflights users for Dublin-Seattle/Tacoma Intl flights.

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From Ireland to Seattle/Tacoma Intl

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One-way flight from Ireland to Seattle/Tacoma Intl

Search Deals

Highest demand for flights based on searches. 21% potential increase in price ($206 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 3% potential price decrease ($27 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in April 2025

Search Deals

Price to beat on a round-trip flight from Ireland to Seattle/Tacoma Intl.

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Price to beat on a one-way flight from Ireland to Seattle/Tacoma Intl.

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Find flight deals from Ireland to Seattle

Cheapest flights from Ireland to Seattle
Explore the most affordable flight options available from Ireland to Seattle. Find the lowest fares from popular airlines and budget airlines, with prices last updated on abril 17, 2025.

mar. 5/207:05 pmDUB - SEA

1 stop26h 45mScandinavian Airlines

sáb. 5/314:00 pmSEA - DUB

1 stop35h 50mScandinavian Airlines

Deal found 4/17

$399

jue. 4/242:15 pmDUB - SEA

1 stop14h 25mIcelandair

mié. 5/77:00 pmSEA - DUB

1 stop32h 05mIcelandair

Deal found 4/16

$598

jue. 5/229:45 amDUB - SEA

2 stops33h 00mMultiple Airlines

lun. 5/265:30 amSEA - DUB

2 stops21h 20mMultiple Airlines

Deal found 4/16

$671

jue. 4/243:20 pmDUB - SEA

Nonstop9h 39mAer Lingus

mié. 5/76:45 pmSEA - DUB

Nonstop9h 00mAer Lingus

Deal found 4/17

$685

jue. 4/248:35 amDUB - SEA

1 stop17h 45mBritish Airways

jue. 5/81:30 pmSEA - DUB

1 stop14h 25mBritish Airways

Deal found 4/16

$694

jue. 4/2411:10 amDUB - SEA

1 stop12h 50mDelta

mié. 5/77:25 amSEA - DUB

2 stops21h 10mDelta

Deal found 4/16

$700

vie. 4/2512:40 pmDUB - SEA

1 stop16h 34mAmerican Airlines

vie. 5/910:13 amSEA - DUB

1 stop15h 32mAmerican Airlines

Deal found 4/16

$718

mié. 6/411:30 amDUB - SEA

1 stop17h 24mJetBlue

mié. 6/1811:30 amSEA - DUB

1 stop12h 50mJetBlue

Deal found 4/16

$724

lun. 5/129:15 pmSNN - SEA

2 stops27h 44mAer Lingus

lun. 5/196:45 pmSEA - SNN

2 stops17h 50mAer Lingus

Deal found 4/15

$799

jue. 6/126:00 amORK - SEA

1 stop13h 40mDelta

jue. 9/189:30 amSEA - ORK

2 stops21h 10mDelta

Deal found 4/17

$834

lun. 5/127:40 amSNN - SEA

1 stop18h 40mAmerican Airlines

lun. 5/191:30 pmSEA - SNN

1 stop18h 40mAmerican Airlines

Deal found 4/15

$846

sáb. 5/312:30 pmSNN - SEA

1 stop17h 56mUnited Airlines

mié. 5/77:00 amSEA - SNN

2 stops19h 15mUnited Airlines

Deal found 4/17

$868

Best flights from Ireland to Seattle
Discover carefully curated flight deals from Ireland to Seattle that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated abril 17, 2025.

mar. 5/207:05 pmDUB - SEA

1 stop26h 45mScandinavian Airlines

sáb. 5/314:00 pmSEA - DUB

1 stop35h 50mScandinavian Airlines

Deal found 4/17

$399

mié. 5/1412:15 pmDUB - SEA

1 stop16h 25mIcelandair

mié. 5/217:00 pmSEA - DUB

1 stop32h 05mIcelandair

Deal found 4/16

$608

vie. 5/168:00 pmDUB - SEA

2 stops27h 15mMultiple Airlines

jue. 5/295:05 pmSEA - DUB

2 stops18h 30mMultiple Airlines

Deal found 4/17

$663

jue. 5/224:10 pmDUB - SEA

Nonstop9h 40mAer Lingus

sáb. 5/317:35 pmSEA - DUB

Nonstop9h 00mAer Lingus

Deal found 4/17

$680

mié. 4/308:55 amDUB - SEA

1 stop15h 05mDelta

mié. 5/79:39 amSEA - DUB

2 stops18h 56mDelta

Deal found 4/16

$703

lun. 5/127:40 amSNN - SEA

1 stop18h 40mAmerican Airlines

lun. 5/191:30 pmSEA - SNN

1 stop18h 40mAmerican Airlines

Deal found 4/15

$846

jue. 5/13:20 pmDUB - SEA

Nonstop9h 39mBritish Airways

mar. 5/66:45 pmSEA - DUB

Nonstop9h 00mBritish Airways

Deal found 4/17

$857

sáb. 5/312:30 pmSNN - SEA

2 stops18h 12mUnited Airlines

mié. 5/77:00 amSEA - SNN

3 stops19h 15mUnited Airlines

Deal found 4/17

$868

lun. 5/129:15 pmSNN - SEA

2 stops27h 44mAer Lingus

lun. 5/196:45 pmSEA - SNN

2 stops17h 50mAer Lingus

Deal found 4/15

$799

jue. 6/126:00 amORK - SEA

1 stop13h 40mDelta

jue. 9/189:30 amSEA - ORK

2 stops21h 10mDelta

Deal found 4/17

$834

mar. 5/203:20 pmDUB - SEA

Nonstop9h 39mAmerican Airlines

sáb. 5/318:20 pmSEA - DUB

1 stop12h 55mAmerican Airlines

Deal found 4/17

$847

jue. 6/126:00 amORK - SEA

1 stop13h 40mMultiple Airlines

jue. 9/181:30 pmSEA - ORK

1 stop17h 10mMultiple Airlines

Deal found 4/17

$924

Last-minute flights from Ireland to Seattle
Discover last-minute flight deals from Ireland to Seattle. Data last updated abril 17, 2025 and is based on user searches.

jue. 4/242:15 pmDUB - SEA

1 stop14h 25mIcelandair

jue. 5/13:45 pmSEA - DUB

1 stop11h 20mIcelandair

Deal found 4/17

$596

jue. 4/243:20 pmDUB - SEA

Nonstop9h 39mAer Lingus

mié. 5/76:45 pmSEA - DUB

Nonstop9h 00mAer Lingus

Deal found 4/17

$685

jue. 4/2412:45 pmDUB - SEA

1 stop13h 35mBritish Airways

mié. 5/71:30 pmSEA - DUB

1 stop14h 25mBritish Airways

Deal found 4/17

$696

jue. 4/2411:10 amDUB - SEA

1 stop12h 50mDelta

mié. 5/79:39 amSEA - DUB

2 stops16h 46mDelta

Deal found 4/17

$703

jue. 4/2411:45 amDUB - SEA

1 stop17h 19mAmerican Airlines

mié. 5/710:13 amSEA - DUB

1 stop15h 32mAmerican Airlines

Deal found 4/17

$721

jue. 4/242:15 pmDUB - SEA

1 stop14h 25mMultiple Airlines

jue. 5/110:48 amSEA - DUB

2 stops16h 17mMultiple Airlines

Deal found 4/17

$752

jue. 4/249:50 amDUB - SEA

1 stop19h 51mUnited Airlines

jue. 5/18:50 amSEA - DUB

3 stops17h 30mUnited Airlines

Deal found 4/17

$847

jue. 4/249:50 amDUB - SEA

1 stop19h 51mAir Canada

mié. 5/75:30 amSEA - DUB

2 stops18h 45mAir Canada

Deal found 4/17

$851

jue. 4/2410:40 amDUB - SEA

1 stop19h 47mJetBlue

mié. 5/710:40 pmSEA - DUB

1 stop25h 40mJetBlue

Deal found 4/17

$854

jue. 4/248:40 amDUB - SEA

2 stops22h 03mSWISS

mié. 5/72:40 pmSEA - DUB

2 stops19h 10mSWISS

Deal found 4/17

$867

jue. 4/2411:30 amDUB - SEA

2 stops34h 51mWestJet

mié. 5/78:25 amSEA - DUB

2 stops17h 35mWestJet

Deal found 4/17

$1,587

jue. 4/242:15 pmDUB - SEA

1 stop14h 25mIcelandair

mié. 5/77:00 pmSEA - DUB

1 stop32h 05mIcelandair

Deal found 4/16

$598

One-way flights from Ireland to Seattle
Search for one-way flight options from Ireland to Seattle. Find affordable one-way fares based on user searches. Data last updated abril 17, 2025.

mié. 6/1812:50 pmDUB - SEA

3 stops33h 19mWestJet

Deal found 4/17

$315

jue. 5/295:05 pmDUB - SEA

3 stops50h 41mMultiple Airlines

Deal found 4/17

$323

jue. 6/127:05 pmDUB - SEA

1 stop26h 45mScandinavian Airlines

Deal found 4/16

$457

dom. 6/1512:15 pmDUB - SEA

1 stop16h 25mIcelandair

Deal found 4/16

$472

lun. 9/294:10 pmDUB - SEA

Nonstop9h 40mAer Lingus

Deal found 4/16

$588

sáb. 5/3110:30 amDUB - SEA

1 stop15h 50mBritish Airways

Deal found 4/17

$724

sáb. 9/208:35 amDUB - SEA

1 stop34h 55mAmerican Airlines

Deal found 4/16

$732

lun. 7/281:45 pmSNN - SEA

1 stop16h 25mAer Lingus

Deal found 4/16

$750

lun. 7/281:45 pmSNN - SEA

1 stop16h 10mMultiple Airlines

Deal found 4/17

$772

jue. 7/109:45 amDUB - SEA

1 stop14h 15mFinnair

Deal found 4/17

$869

sáb. 9/209:20 amDUB - SEA

3 stops37h 54mUnited Airlines

Deal found 4/16

$1,248

lun. 7/289:30 amSNN - SEA

3 stops19h 26mUnited Airlines

Deal found 4/17

$1,397

Cheapflights Fare Finder

Use the filters below to find and compare flights from Ireland to Seattle that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

DublinSeattle

DUB - SEA

DUBSEA

Dublin

mar. 5/20

7:05 pm-1:50 pm

1 stop26h 45m

Seattle/Tacoma Intl

sáb. 5/31

4:00 pm-11:50 am

1 stop35h 50m

$399

DublinSeattle

DUB - SEA

DUBSEA

Dublin

mié. 5/14

12:15 pm-8:40 pm

1 stop16h 25m

Seattle/Tacoma Intl

mié. 5/21

7:00 pm-11:05 am

1 stop32h 05m

$608

DublinSeattle

DUB - SEA

DUBSEA

Dublin

vie. 5/16

8:00 pm-3:15 pm

2 stops27h 15m

Seattle/Tacoma Intl

jue. 5/29

5:05 pm-7:35 pm

2 stops18h 30m

$663

DublinSeattle

DUB - SEA

DUBSEA

Dublin

jue. 5/22

4:10 pm-5:50 pm

Nonstop9h 40m

Seattle/Tacoma Intl

sáb. 5/31

7:35 pm-12:35 pm

Nonstop9h 00m

$680

DublinSeattle

DUB - SEA

DUBSEA

Dublin

mié. 4/30

8:55 am-4:00 pm

1 stop15h 05m

Seattle/Tacoma Intl

mié. 5/7

9:39 am-12:35 pm

2 stops18h 56m

$703

ShannonSeattle

SNN - SEA

SNNSEA

Shannon

lun. 5/12

9:15 pm-4:59 pm

2 stops27h 44m

Seattle/Tacoma Intl

lun. 5/19

6:45 pm-8:35 pm

2 stops17h 50m

$799

CorkSeattle

ORK - SEA

ORKSEA

Cork

jue. 6/12

6:00 am-11:40 am

1 stop13h 40m

Seattle/Tacoma Intl

jue. 9/18

9:30 am-2:40 pm

2 stops21h 10m

$834

ShannonSeattle

SNN - SEA

SNNSEA

Shannon

lun. 5/12

7:40 am-6:20 pm

1 stop18h 40m

Seattle/Tacoma Intl

lun. 5/19

1:30 pm-4:10 pm

1 stop18h 40m

$846

DublinSeattle

DUB - SEA

DUBSEA

Dublin

mar. 5/20

3:20 pm-4:59 pm

Nonstop9h 39m

Seattle/Tacoma Intl

sáb. 5/31

8:20 pm-5:15 pm

1 stop12h 55m

$847

DublinSeattle

DUB - SEA

DUBSEA

Dublin

jue. 5/1

3:20 pm-4:59 pm

Nonstop9h 39m

Seattle/Tacoma Intl

mar. 5/6

6:45 pm-11:45 am

Nonstop9h 00m

$857

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/17

Showing 1-10 of 28 results

Best time to book a flight from Ireland to Seattle

Have a flexible travel schedule? Discover the best time to fly to Seattle from Ireland with our price prediction graph.

Estimated round-trip price

Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Ireland to Seattle

What is the cheapest month to book a flight from Ireland to Seattle?

Currently, January is the cheapest month in which you can book a flight from Ireland to Seattle (average of $238). Flying from Ireland to Seattle in July is currently the most expensive (average of $411). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from IE to SEA?

When flying from Ireland to Seattle, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Weekly flight availability from Ireland to Seattle

The most flights from IE0 to SEA are scheduled on a Monday (3 on average). You will have fewer flight options on Wednesday, which is when the least amount of flights are scheduled (2 on average).

Rainfall in Seattle by month

In terms of precipitation, rainfall in Seattle ranges from 0.7 - 6.6 inches per month. November is typically the wettest month, when rainfall can reach 6.6 in. July is typically the driest time to visit Seattle when rainfall is around 0.7 in.

Temperature in Seattle by month

If weather is an important factor for your trip to Seattle, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 66.2 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 41.0 F).

Reviews of airlines servicing Seattle

Read reviews from past customers who have flown Delta, Finnair and United Airlines from Ireland to Seattle. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Delta

8.0

Very good

7,917 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Delta

8.0

Very good

7,917 reviews

Delta

8.0

Very good

7,917 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Finnair

7.6

Good

1,269 reviews

Delta

8.0

Very good

7,917 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

United Airlines

7.4

Good

8,667 reviews

Delta

8.0

Very good

7,917 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Turkish Airlines

7.3

Good

3,769 reviews

Delta

8.0

Very good

7,917 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Scandinavian Airlines

7.3

Good

1,335 reviews

Delta

8.0

Very good

7,917 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Related info for your journey

What airport do you fly into for flights to Seattle from Ireland?
If you book a flight to Seattle from Ireland, you will be flying to Seattle/Tacoma Intl, which is the city’s only airport. Seattle/Tacoma Intl (SEA) is located 11.4 mi from the center of Seattle.
How popular is this Ireland to Seattle flight route?
This flight path from Ireland to Seattle/Tacoma Intl was viewed by 2 users in the past month. Keep an eye out for changes in search interest prior to high and low season.
What are the cheapest airlines to fly from Ireland to Seattle one-way?
One-way options have recently been found by users for as low as $315 on WestJet. Other airlines that offer cheap prices include Scandinavian Airlines from $457 and Icelandair from $472 one-way.
What are the most popular routes from Ireland to Seattle?
The most popular route from Ireland to Seattle is Dublin - Seattle/Tacoma Intl. You may also consider Shannon - Seattle/Tacoma Intl or Cork - Seattle/Tacoma Intl.
What are the most reliable airlines from Ireland to Seattle?
The top 3 most reliable airlines when flying from Ireland to Seattle are American Airlines (83%), Aer Lingus (83%) and British Airways (83%).
What are the cheapest flights from Ireland to Seattle?
On average you can expect to pay $798 for a flight from Ireland to Seattle. The cheapest flight overall is $555 while the most popular route, (Dublin - Seattle/Tacoma Intl) is currently priced at $402.
Can I find deals for flights from Ireland to Seattle that include hotel bookings?
Yes. In addition to deals on Ireland to Seattle flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Ireland to Seattle?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Ireland to Seattle.
Can I find deals for business class flights from Ireland to Seattle?
Yes. Cheapflights offers flight deals from Ireland to Seattle by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.
What is the cheapest month to book a flight from Ireland to Seattle?
Currently, January is the cheapest month in which you can book a flight from Ireland to Seattle (average of $238). Flying from Ireland to Seattle in July is currently the most expensive (average of $411). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

SeaTac

Tukwila

Tacoma

Renton

Lakewood

Ocean Shores

Lacey

Leavenworth

Federal Way

Olympia

Shoreline

Cle Elum

Centralia

Aberdeen

Kent

Lynnwood

Shelton

Silverdale

Redmond

Issaquah

Browse thousands of different options on Cheapflights for your next trip

Top 3 airlines flying from Ireland to Seattle

Airline	Cheapest	Average	Flexibility	On-time
Icelandair	Cheapest$556	Average$807	FlexibilityNo cancel fee	On-time76%
Aer Lingus	Cheapest$611	Average$880	FlexibilityNo cancel fee	On-timeN/A
American Airlines	Cheapest$684	Average$832	FlexibilityNo cancel fee	On-time71%

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$315+ Cheap flights from Ireland to Seattle (SEA)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 6/18. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Ireland to Seattle with Cheapflights

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Cheap flight deals from Ireland to Seattle

Keep the following information in mind while searching for Ireland to Seattle flight deals. Data was last updated abril 17, 2025.

Most accurate provider

Most trusted provider

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Good round-trip deal

Good one-way deal

Find flight deals from Ireland to Seattle

Cheapest flights from Ireland to SeattleExplore the most affordable flight options available from Ireland to Seattle. Find the lowest fares from popular airlines and budget airlines, with prices last updated on abril 17, 2025.

Explore the most affordable flight options available from Ireland to Seattle. Find the lowest fares from popular airlines and budget airlines, with prices last updated on abril 17, 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Ireland to Seattle that are best for you.

Best time to book a flight from Ireland to Seattle

Have a flexible travel schedule? Discover the best time to fly to Seattle from Ireland with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from Ireland to Seattle

What is the cheapest month to book a flight from Ireland to Seattle?

What is the cheapest time of day to fly from IE to SEA?

Find hourly flight availability from Ireland to Seattle. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated abril 17, 2025.

Weekly flight availability from Ireland to Seattle

Explore weekly flight availability from Ireland to Seattle. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated abril 17, 2025.

Rainfall in Seattle by month

Plan your trip to Seattle by taking into account the average rainfall totals by month.

Temperature in Seattle by month

Plan your trip to Seattle by taking into account the average temperature totals by month.

Reviews of airlines servicing Seattle

Read reviews from past customers who have flown Delta, Finnair and United Airlines from Ireland to Seattle. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Find useful and relevant information for your journey from Ireland to Seattle. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

What airport do you fly into for flights to Seattle from Ireland?

How popular is this Ireland to Seattle flight route?

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

What are the most popular routes from Ireland to Seattle?

What are the most reliable airlines from Ireland to Seattle?

What are the cheapest flights from Ireland to Seattle?

Can I find deals for flights from Ireland to Seattle that include hotel bookings?

How can I find direct flights from Ireland to Seattle?

Can I find deals for business class flights from Ireland to Seattle?

What is the cheapest month to book a flight from Ireland to Seattle?

Traveling to a place near Ireland?

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Ireland to Seattle

See prices for flight routes from nearby airports that may be better suited for you.

Top 3 airlines flying from Ireland to Seattle

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Cheapest flights from Ireland to Seattle
Explore the most affordable flight options available from Ireland to Seattle. Find the lowest fares from popular airlines and budget airlines, with prices last updated on abril 17, 2025.