Cheap First Class flights to Ireland
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Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap first class flights to Ireland in 2025
Find the latest flights to Ireland in 2025, with up-to-date prices and availability. In the last 7 days, Cheapflights users made a total of 2,558,603 searches and data were last updated on abril 29, 2025.
Top Rated Airline | British Airways |
|---|---|
No. of Airlines | 3 |
Travel insights for first class flights from USA to Ireland
Get recent, data-driven insights about first class flights from USA to Ireland including ideal travel times, pricing trends, and more.
What is the cheapest month to book a First Class flight from USA to Ireland?
Currently, March is the cheapest month in which you can book a First Class flight from USA to Ireland (average of $737). Flying from USA to Ireland in December is currently the most expensive (average of $7,206). 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.
Rainfall in Ireland by month
Plan your trip to Ireland by taking into account the average rainfall totals by month.
In terms of precipitation, rainfall in Ireland ranges from 1.9 - 3.1 inches per month. October is typically the wettest month, when rainfall can reach 3.1 in. February is typically the driest time to visit Ireland when rainfall is around 1.9 in.
Temperature in Ireland by month
Plan your trip to Ireland by taking into account the average temperature totals by month.
If weather is an important factor for your trip to Ireland, 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 60.8 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 41.0 F).