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Cheap flights from Dublin to Seattle from £329

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 27/5. Fares are subject to change and may not be available on all flights or dates of travel.
DUB — SEA
24 Dec — 31 Dec1
1 adult

The best prices from Dublin to Seattle/Tacoma Intl are usually found in November or February, booked 59 days in advance, depart on a Saturday or Wednesday and return on a Monday

Cheap flight deals from Dublin to Seattle

Discover tips and strategies to find the most affordable flight options for your journey from Dublin (DUB) to Seattle (SEA). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 19 December 2024.

Round-trip from

£420

One-way from

£329

Popular in

July

Cheapest in

November

Average price

£598
Icelandair
  • Icelandair
  • 27/3-6/4
  • 2 total stops
  • 24h 50m total
  • Dublin to Seattle
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WestJet
  • WestJet
  • 27/5
  • 2 total stops
  • 35h 08m total
  • Dublin to Seattle
Search Deals
High demand for flights, 20% potential price rise
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Best time to find cheap flights, 3% potential price drop
Search Deals
Average for round-trip flights in December 2024
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Find flight deals from Dublin to Seattle

Cheapest flights from Dublin to Seattle
Explore the most affordable flight options available from Dublin to Seattle. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 19 December 2024.

Tue 24/1205:55DUB - SEA
2 stops25h 40mDelta
Tue 31/1213:35SEA - DUB
1 stop18h 05mDelta
Deal found 17/12£688
Sat 21/1209:00DUB - SEA
1 stop20h 20mUnited Airlines
Sat 28/1205:00SEA - DUB
2 stops21h 05mUnited Airlines
Deal found 18/12£739
Fri 20/1205:00DUB - SEA
2 stops16h 20mMultiple Airlines
Fri 3/106:05SEA - DUB
1 stop17h 05mMultiple Airlines
Deal found 18/12£913
Fri 20/1205:00DUB - SEA
2 stops16h 20mLufthansa
Fri 3/115:10SEA - DUB
1 stop18h 05mLufthansa
Deal found 18/12£1,065
Mon 23/1216:55DUB - SEA
2 stops30h 30mTurkish Airlines
Tue 7/111:05SEA - DUB
2 stops42h 35mTurkish Airlines
Deal found 18/12£2,052
Fri 20/1211:30DUB - SEA
2 stops17h 19mIcelandair
Fri 3/109:14SEA - DUB
2 stops17h 01mIcelandair
Deal found 18/12£2,433

Find flights from Dublin to Seattle within your budget

Customise your flight search to find flights from Dublin to Seattle that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 19 December 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

DublinSeattle

DUB - SEA

DUBSEA

Dublin

Thu 27/3

11:30-18:00

1 stop13h 30m

Seattle/Tacoma Intl

Sun 6/4

15:45-11:05

1 stop11h 20m

£420

DublinSeattle

DUB - SEA

DUBSEA

Dublin

Wed 15/1

16:40-10:36

1 stop25h 56m

Seattle/Tacoma Intl

Sat 25/1

11:45-10:20

1 stop14h 35m

£423

DublinSeattle

DUB - SEA

DUBSEA

Dublin

Wed 15/1

12:30-22:25

2 stops41h 55m

Seattle/Tacoma Intl

Sat 25/1

14:00-11:40

2 stops37h 40m

£463

DublinSeattle

DUB - SEA

DUBSEA

Dublin

Fri 11/4

08:55-16:00

1 stop15h 05m

Seattle/Tacoma Intl

Sat 19/4

18:40-16:55

1 stop14h 15m

£517

DublinSeattle

DUB - SEA

DUBSEA

Dublin

Mon 13/1

20:30-11:20

1 stop22h 50m

Seattle/Tacoma Intl

Mon 20/1

18:50-17:05

1 stop14h 15m

£531

DublinSeattle

DUB - SEA

DUBSEA

Dublin

Wed 26/3

08:55-19:05

2 stops17h 10m

Seattle/Tacoma Intl

Sat 5/4

07:20-10:45

1 stop19h 25m

£536

DublinSeattle

DUB - SEA

DUBSEA

Dublin

Sat 1/2

09:00-11:20

3 stops34h 20m

Seattle/Tacoma Intl

Sat 8/2

07:00-07:00

2 stops16h 00m

£580

DublinSeattle

DUB - SEA

DUBSEA

Dublin

Thu 27/3

05:55-12:40

1 stop13h 45m

Seattle/Tacoma Intl

Sun 6/4

09:41-10:25

2 stops16h 44m

£614

DublinSeattle

DUB - SEA

DUBSEA

Dublin

Sat 17/5

15:25-17:05

Nonstop9h 40m

Seattle/Tacoma Intl

Mon 26/5

18:50-11:55

Nonstop9h 05m

£617

DublinSeattle

DUB - SEA

DUBSEA

Dublin

Sat 17/5

15:25-17:05

Nonstop9h 40m

Seattle/Tacoma Intl

Mon 26/5

13:30-11:15

1 stop13h 45m

£627

Flights are sorted by cheapest return flights first.

Deals found on 17/12

Showing 1-10 of 16 results
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Best time to book a flight from Dublin to Seattle

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

Travel insights for flights from Dublin to Seattle

Get recent, data-driven insights about flights from Dublin to Seattle including ideal travel times, pricing trends, and more.

How far ahead should I book a flight from Dublin to Seattle?

Use this chart to determine the optimal time to book a return flight from Dublin to Seattle. Price data was last updated on 13 December 2024.

Booking 58 days in advance of your planned departure date is, on average, the best time to get cheap flights from Dublin to Seattle. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

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

Currently, January is the cheapest month in which you can book a flight from Dublin to Seattle (average of £622). Flying from Dublin to Seattle in July is currently the most expensive (average of £845). 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 DUB to SEA?

Find hourly flight availability from Dublin 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 19 December 2024.

When flying from Dublin to Seattle, the time of day you fly usually plays a role in the price. Save by searching for a flight in the morning, which can drop the price by up to 14% versus a flight in the afternoon.

Rainfall in Seattle by month

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

In terms of precipitation, rainfall in Seattle ranges from 18.0 - 168.0 inches per month. November is typically the wettest month, when rainfall can reach 168.0 mm. July is typically the driest time to visit Seattle when rainfall is around 18.0 mm.

Temperature in Seattle by month

Plan your trip to Seattle by taking into account the average temperature totals 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 19.0 C. Travellers hoping to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 5.0 C).

Reviews of airlines servicing Seattle

Get insights into the airlines that provide service to Seattle. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Seattle. Reviews last updated 19 December 2024.
Read reviews from past customers who have flown Delta, United Airlines and Turkish Airlines from Dublin to Seattle. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very Good
8,604 reviews
Check prices

Entertainment

7.9

Comfort

7.9

Overall

8.0

Food

7.3

Boarding

8.2

Crew

8.6

Reviews

1 / 10

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

Delta
8.0
Very Good
8,604 reviews
Delta
8.0
Very Good
8,604 reviews
Check prices

Entertainment

7.9

Comfort

7.9

Overall

8.0

Food

7.3

Boarding

8.2

Crew

8.6

Reviews

1 / 10

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

KLM
7.8
Good
1,349 reviews
Delta
8.0
Very Good
8,604 reviews
Check prices

Entertainment

7.9

Comfort

7.9

Overall

8.0

Food

7.3

Boarding

8.2

Crew

8.6

Reviews

1 / 10

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

Air France
7.4
Good
1,505 reviews
Delta
8.0
Very Good
8,604 reviews
Check prices

Entertainment

7.9

Comfort

7.9

Overall

8.0

Food

7.3

Boarding

8.2

Crew

8.6

Reviews

1 / 10

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

United Airlines
7.4
Good
9,055 reviews
Delta
8.0
Very Good
8,604 reviews
Check prices

Entertainment

7.9

Comfort

7.9

Overall

8.0

Food

7.3

Boarding

8.2

Crew

8.6

Reviews

1 / 10

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

Turkish Airlines
7.3
Good
3,901 reviews
Delta
8.0
Very Good
8,604 reviews
Check prices

Entertainment

7.9

Comfort

7.9

Overall

8.0

Food

7.3

Boarding

8.2

Crew

8.6

Reviews

1 / 10

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

Related info for your journey

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

  • What airports do I use to fly from Dublin to Seattle?

    If you book a flight from Dublin to Seattle, you will be flying from Dublin to Seattle/Tacoma Intl. Flights to Seattle/Tacoma Intl (SEA) from Dublin (DUB) take 9h 45m for a nonstop flight. There is 1 flight from Dublin to Seattle per day from 3 airlines.

  • How popular is this Dublin to Seattle flight route?

    This flight path from Dublin to Seattle/Tacoma Intl was viewed by 57 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 flying from Dublin to Seattle round-trip?

    According to our current data, Icelandair (£420), Scandinavian Airlines (£463), and Delta (£517) offers the cheapest pricing from Dublin to Seattle. You may be able to fly from Dublin to Seattle for 29% less than the average price by searching for these airlines.

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

    To fly one-way, consider booking your trip with WestJet, which is currently one of the cheapest options available, starting at £329. Delta flights start at £557 while deals on United Airlines start at £927 one-way.

  • What are the most reliable airlines from Dublin to Seattle?

    Consider American Airlines (68%), Aer Lingus (68%) or British Airways (68%) when booking your flight. These represent the most reliable airlines when flying from Dublin to Seattle.

  • What are the cheapest flights from Dublin to Seattle?

    Looking for the cheapest flight from Dublin to Seattle? While on average our users pay £652, our data indicates the cheapest price to be £549. The most popular route (Dublin - Seattle/Tacoma Intl), is priced around £412.

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

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

  • How can I find direct flights from Dublin to Seattle?

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

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

    Yes. Cheapflights offers flight deals from Dublin 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 Dublin to Seattle?

    Currently, January is the cheapest month in which you can book a flight from Dublin to Seattle (average of £622). Flying from Dublin to Seattle in July is currently the most expensive (average of £845). 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

Browse thousands of different options on Cheapflights for your next trip

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Top 3 airlines flying from Dublin to Seattle

Discover the top 3 airlines that operate flights from Dublin to Seattle. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 19 December 2024.
AirlineCheapestAverageFlexibilityOn-time
Aer LingusCheapest£361Average£643FlexibilityNo cancel feeOn-timeN/A
Search Aer Lingus flights
IcelandairCheapest£366Average£538FlexibilityNo cancel feeOn-time76%
Search Icelandair flights
British AirwaysCheapest£488Average£696FlexibilityNo cancel feeOn-time70%
Search British Airways flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Dublin to Seattle?

Deals for Dublin to Seattle flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

Why should you use Cheapflights to find cheap flight tickets from Dublin to Seattle?

Cheapflights simply makes it quick and affordable to book flights from Dublin to Seattle by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

Can Cheapflights find flights from Dublin to Seattle with no change fees?

Yes! Cheapflights helps users easily find flights from Dublin to Seattle with no change fees.

Can Cheapflights notify me if prices for flights from Dublin to Seattle become cheaper?

Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and provide a valid email address to enable Price Alerts. That’s it!

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