Cheap flights from Dallas to Ireland from $251

In general, August is the cheapest month to fly from Dallas to Ireland. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $101. If you aren’t able to travel to Ireland during the month of August, then flying in September is also cheap. Prices for this month can be found on momondo for an average of $128.

The cheapest day to depart on your flight to Ireland is on a Wednesday when prices can be found for as low as $873. This is often the case because there is less demand to fly during this day of the week. Flights from Dallas to Ireland on a Thursday will generally be more expensive and average around $1,108. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

According to our data, the cheapest time of day to fly to Ireland is in the evening. momondo users have found flights departing from Dallas to Ireland in the evening for as low as $947. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. In contrast, the most expensive time of day to depart to Ireland is in the afternoon when prices are around $977.

Fly from Dallas/Fort Worth to Dublin for the best Dallas - Ireland flight prices

You are more likely to see cheaper flights to Ireland from Dallas when booking weeks ahead of your departure date. In general, you can expect to find flights to Ireland for around $750 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Ireland from Dallas for as low as $615 on momondo.

There are 3 cabin classes available to choose from on Dallas to Ireland flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

British Airways, Delta, and KLM are the most popular carriers operating from Dallas to Ireland

American Airlines, Iberia and Aer Lingus are the top three most popular airlines that fly to Ireland from Dallas according to our data. American Airlines is the first choice among our users, with 48% of people opting to fly with this airline when traveling to Ireland. Keep in mind that there are 12 different airlines that fly to Ireland on a routine basis, so you have a few additional options to choose from.

As of June 2026, there are 5 flights per day flying from Dallas to Ireland. The most common time of day flights depart is 7:00PM, with 100% of flights taking off in the evening.

As of June 2026, 35 flights take off from Dallas and land in Ireland each week. The most common flight departure day for this route is Mon, with 14% of weekly flights taking off on this day.