Cheap flights from Ireland to the United States from €172
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Ireland to the United States departing on 15/9. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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How to get the cheapest flight ticket from Ireland to United States
Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip
What is the cheapest month to fly to United States?
The cheapest month to fly to United States from Ireland is in February. Flight prices, which tend to average around €399, are often lower during this time because this is during the off-season. If you aren’t able to travel during the month of February, then book flights to United States from Ireland during January instead. Flights to United States in January, while not as cheap as those in February, still average around €413.
What is the cheapest day to depart on your flight to United States?
According to our data, Thursday is the cheapest day to fly to United States from Ireland. The lowest ticket price found for a Thursday departure recently was €534. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. When flying out on a Monday, the most expensive travel day of the week, you can expect to see flight prices from Ireland to United States for around €597.
What is the cheapest time of day to depart on your flight to United States?
Our data shows that the cheapest Ireland to United States flights are usually those with departure times in the evening. Our users have found flights to United States in the evening for as low as €354. Flights in the morning are often more expensive, with an average ticket price of €578.
What is the cheapest Ireland to United States flight route?
Fly from Dublin to Boston Logan Intl for the best Ireland - United States flight prices
How far in advance should I book a flight to United States?
You are more likely to see cheaper flights to United States from Ireland when booking 9 weeks ahead of your departure date. In general, you can expect to find flights to United States for around €494 when searching 9 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to United States from Ireland for as low as €457 on momondo.
What cabin class options are available on Ireland to United States flights?
There are 4 cabin classes available to choose from on Ireland to United States flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.
What is the cheapest airline that flies from Ireland to United States?
Vueling, Iberia, and WestJet are the most popular carriers operating from Ireland to United States
Which airlines fly to United States?
Aer Lingus, British Airways and KLM are the top three most popular airlines that fly to United States from Ireland according to our data. Aer Lingus is the first choice among our users, with 62% of people opting to fly with this airline when travelling to United States. Keep in mind that there are 16 different airlines that fly to United States on a routine basis, so you have a few additional options to choose from.
How many flights depart from Ireland to United States on average per day?
As of June 2025, there are 70 flights per day flying from Ireland to United States. The most common time of day flights depart is 13:00, with 77% of flights taking off in the afternoon.
How many flights depart from Ireland to United States on average per week?
As of June 2025, 496 flights take off from Ireland and land in United States each week. The most common flight departure day for this route is Fri, with 15% of weekly flights taking off on this day.
Cheap Ireland to United States flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Ireland to United States
Best price found | €172 |
|---|---|
Fastest flight time | 7h 00m |
Direct flights | Every day |
Airports in United States | 5 airports |
When did momondo last update prices for flights from Ireland to United States?
Prices for flights from Ireland to United States are updated daily.
How many operators does momondo search for flights from Ireland to United States?
As of June 2025, there are 16 operators available to choose from for flights from Ireland to United States.
How old do you have to be to fly from Ireland to United States?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and stopovers. It is recommended that you verify with the airline you are booking with for travel from Ireland to United States.
What documentation or ID do you need to fly to United States?
The travel and health documents required for your trip to United States can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s licence, and a passport valid for six-months after you plan to arrive at United States. We always recommend checking with your airline or a trusted third party such as IATA to get advice.
What is the most popular plane model from Ireland to United States?
Based on momondo bookings for this flight route, the most popular plane model on flight routes from Ireland to United States is Boeing 777 (17.35% of total bookings). The next most popular plane models are Boeing 767-300 (winglets) (16.58%), Airbus A330-300 (14.21%), and Boeing 757-200 (10.01%).
Best airlines flying from Ireland to United States
Compare and see reviews for airlines that fly from Ireland to United States with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom €237 | Free Cancellation | Rating 7.0 102 reviews | |||
| PriceFrom €261 | Free Cancellation | Rating 7.3 1,388 reviews | |||
| PriceFrom €300 | Free Cancellation | Rating 8.0 7,963 reviews | |||
| PriceFrom €301 | Free Cancellation | Rating 7.0 499 reviews | |||
| PriceFrom €319 | Free Cancellation | Rating 7.3 2,923 reviews | |||
| PriceFrom €321 | Free Cancellation | Rating 7.1 1,117 reviews | |||
| PriceFrom €329 | Free Cancellation | Rating 6.6 7,016 reviews | |||
| PriceFrom €344 | Free Cancellation | Rating 7.8 1,361 reviews | |||
| PriceFrom €344 | Free Cancellation | Rating 6.8 7,148 reviews | |||
| PriceFrom €347 | Free Cancellation | Rating 7.4 8,798 reviews |
Why use momondo?
Why should I use momondo to find a flight deal from Ireland to United States?
To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to United States from Ireland.
Can I find flights from Ireland to United States with flexible booking policies on momondo?
Yes. All flights to United States from Ireland on momondo can be compared and filtered by various policies on offer, including flexible booking.
How can momondo help me find flights from Ireland to United States?
momondo provides multiple filters to help you find the best flight to United States from Ireland. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.
I’m not ready to book a flight from Ireland to United States right now. Can momondo alert me if prices change?
Price alerts on flights to United States from Ireland are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.