$565+ Cheap flights from Northern Ireland to Seattle (SEA)

If you book a flight to Seattle from Northern 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.

There are many flights that can get you from Northern Ireland to Seattle in 12h 55m. Fly via British Airways or Iberia to get the fastest option. Northern Ireland and Seattle are separated by a distance of 4472 mi. Both multi-stop and nonstop flights can be found to your destination and back.

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

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

Yes. Cheapflights offers flight deals from Northern 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.

Currently, January is the cheapest month in which you can book a flight from Northern Ireland to Seattle (average of $238). Flying from Northern Ireland to Seattle in June is currently the most expensive (average of $388). 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.