Check out this great sale to Dublin! Prices may vary slightly based on your chosen route.
According to the Matrix Airfare Search by ITA Software, the fare is priced at $712 for Regular Economy. If you use the same travel dates on American Airlines, you should see prices at $512 (Basic Economy) and $712 (Regular Economy).
The $712 fare from American / British Airways / Finnair / Iberia includes one checked bag and a standard carry-on item.
In addition, there’s a $512 fare available, which is a Basic Economy or Economy Light option. Please be aware of the following restrictions with Basic Economy / Economy Light fares:
- Seat assignments cannot be made in advance.
- Checked bags are not included—charges are $75 for the first bag and $100 for the second.
- No changes to the itinerary are permitted.
- Cancellations are not allowed, meaning that if cancelled after the 24-hour risk-free period, the fare becomes non-refundable.
- Many online travel agencies may not clearly label these fares as BASIC ECONOMY when booking with American / British Airways / Finnair / Iberia.
Stay updated on the latest economy class deals for your city by signing up for our Real Time Newsletter, which sends alerts about an hour before they appear on our website and social media, all for just a few cents a day.
If you’re interested in Business Class, First Class, or Premium Economy deals, consider signing up for our Premium Newsletter for about a quarter a day.

Sunset over the Grand Canal, Dublin, Ireland – Photo by Giuseppe Milo (Flickr, used under Creative Commons License, By 2.0)
Sample Travel Date:
- This is one sample travel date; for more options, please refer to the sections on “Fare Availability” and “How to Search for Availability” below.
Fare Availability:
- Travel is valid until late March and requires a Sunday stay. Availability is limited, and tickets must be purchased at least 3 days in advance.
- Please note that fares are subject to change; if this post is older than two days, the fare may no longer be available.
How to Search for Availability:
- This section is for checking availability only. To purchase tickets, please scroll down to the “How to Buy” section.
- When utilizing the Matrix Airfare Search by ITA Software, the search page should look similar to the example below when all values are filled in.

- You cannot purchase tickets directly through Matrix Airfare Search by ITA Software. For purchasing instructions, refer to the “How to Buy” section below.
Fare Class:
- B (Basic Economy)
- O (Regular Economy)
Routing:
- SEA – LHR (London) – DUB (Dublin) – PHL (Philadelphia) – SEA
Stopover:
Mileage:
- Miles Flown: 10,694 miles, equating to approximately 4.8 cents per mile (Basic Economy) and 6.6 cents per mile (Regular Economy).
- Loyalty Points: 2,975 points
- Redeemable Miles: 2,975 miles
How to Buy:
- Make your booking on American Airlines using the dates found through the Matrix Airfare Search by ITA Software.

Accommodations:
- TripAdvisor: One of the leading hotel meta-search engines. Discover the lowest hotel prices from over 200 sites.
Car Rentals:
- Rental Cars: One of the world’s top car rental agencies, offering major brands including Hertz, Avis, Budget, Dollar, and Enterprise.
Activities and Tours:
- Viator: The largest marketplace for destination activities and tours worldwide.
Background Information:
- Visa: US Citizens do not require a visa. Other nationals should check the TIMATIC Visa Database.
- Currency: Euro (EUR). Exchange rate: $1 USD = 0.95 EUR.
Tips for Saving When Using Credit Cards Abroad:
For the latest cheap flight deals from Seattle:
* The Flight Deal may earn a commission for bookings made via links for Priceline, accommodations, car rentals, activities, or for approved credit card applications using our links. Thank you for your support!
=====
To ensure you don’t miss out on the latest deals, LIKE our The Flight Deal Facebook Page, follow us on Twitter @TheFlightDeal, on Threads @TheFlightDeal, or join The Flight Deal WhatsApp channel. You can also subscribe to our RSS Feed or receive updates via Email (once a day).
The Flight Deal does not sell travel products or services. We provide information on third-party travel supplier offers and link to their websites. Information posted is accurate at the time of publication, but we cannot guarantee availability or conditions of third-party offers. Please check their sites for the latest information and terms.


Stay Informed on the Latest Deals
Sign up to receive The Flight Deal Daily DealsLetter and keep updated with the latest and greatest flight deals available.