Cheap flights from Dublin to Seattle from R6 783

The cheapest month to fly to Seattle from Dublin is in April. Flight prices, which tend to average around R9 809, are often lower during this time because this is during the off-season. If you aren’t able to travel to Seattle during the month of April, then flying in May is also cheap. Prices for this month can be found on momondo for an average of R10 134.

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

You are more likely to see cheaper flights to Seattle from Dublin when booking weeks ahead of your departure date. In general, you can expect to find flights to Seattle for around R12 338 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Seattle from Dublin for as low as R9 239 on momondo.

There is only 1 cabin class available to choose from on Dublin to Seattle flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Historically, on average around 11% of flights between Dublin and Seattle have experienced a delay on any given week. The average delay length over the past 12 months has been 168 minutes.

Generally, flights departing in the early afternoon tend to experience fewer delays. Flights departing in the early afternoon have, in the past, seen delays more frequently in comparison.

Tuesday is statistically the day of the week that experiences the fewest delays on this flight route. Saturday has historically seen more delays on average compared to the rest of the week.

According to our data, Aer Lingus have had the fewest delays on this route over the last 12 months, with about 11% of their flights experiencing any sort of delay.

4 flights are operational daily from Dublin to Seattle as of September 2026. The most popular departure time for this route is 15:00, with 100% of flights per day taking off in the afternoon.

As of September 2026, 28 flights take off from Dublin and land in Seattle each week. The most common flight departure day for this route is Mon, with 14% of weekly flights taking off on this day.