Question 1

How often are flights from Ireland to the United States delayed?

Accepted Answer

Historically, on average around 12% of flights between Ireland and United States have experienced a delay on any given week. The average delay length over the past 12 months has been 144 minutes.

Question 2

Can stopping save me money on Ireland to United States flights?

Accepted Answer

You could potentially save up to 2% on your flight if you consider stops on a Ireland to United States flight.

Question 3

Which airlines fly to United States?

Accepted Answer

Aer Lingus, British Airways and United Airlines 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 65% 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.

Question 4

What is the cheapest time of day to depart on your flight to United States?

Accepted Answer

Our data shows that the cheapest Ireland to United States flights are usually those with departure times in the afternoon. Our users have found flights to United States in the afternoon for as low as €516. Flights in the morning are often more expensive, with an average ticket price of €570.

Question 5

How many flights depart from Ireland to United States on average per week?

Accepted Answer

As of January 2026, 376 flights take off from Ireland and land in United States each week. The most common flight departure day for this route is Fri, with 18% of weekly flights taking off on this day.

Question 6

How many flights depart from Ireland to United States on average per day?

Accepted Answer

As of January 2026, there are 53 flights per day flying from Ireland to United States. The most common time of day flights depart is 11:00, with 66% of flights taking off in the afternoon.

Question 7

How long is the flight from Ireland to United States?

Accepted Answer

The flight from Ireland to United States depends on which airports you’re departing from and arriving to, and whether or not you have a layover. If you fly from Dublin (a popular airport in Ireland) to Los Angeles (the most popular airport in United States), then the flight time is 11h on average. If you fly from Shannon (another popular airport in Ireland) to Los Angeles, then the average flight time is 15h 30m.

Question 8

What cabin class options are available on Ireland to United States flights?

Accepted Answer

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.

Question 9

What day of the week experiences the fewest flight delays on this route?

Accepted Answer

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

Question 10

Which airline has the best punctuality record on Ireland to the United States flights?

Accepted Answer

According to our data, JetBlue have had the fewest delays on this route over the last 12 months, with about 9% of their flights experiencing any sort of delay.

Question 11

How far in advance should I book a flight to United States?

Accepted Answer

You are more likely to see cheaper flights to United States from Ireland when booking weeks ahead of your departure date. In general, you can expect to find flights to United States for around €483 when searching weeks before you fly. 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 €431 on momondo.

Question 12

What is the cheapest day to depart on your flight to United States?

Accepted Answer

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 €529. 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 Sunday, the most expensive travel day of the week, you can expect to see flight prices from Ireland to United States for around €605.

Question 13

What is the cheapest Ireland to United States flight route?

Accepted Answer

Fly from Dublin to San Francisco for the best Ireland - United States flight prices

Question 14

What is the cheapest airline that flies from Ireland to United States?

Accepted Answer

Aer Lingus, WestJet, and LEVEL are the most popular carriers operating from Ireland to United States

Question 15

What is the most punctual flight time for Ireland to the United States flights?

Accepted Answer

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

Question 16

What is the cheapest month to fly to United States?

Accepted Answer

The cheapest month to fly to United States from Ireland is in February. Flight prices, which tend to average around €381, 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 September instead. Flights to United States in September, while not as cheap as those in February, still average around €392.

Question 17

When did momondo last update prices for flights from Ireland to United States?

Accepted Answer

Prices for flights from Ireland to United States are updated daily.

Question 18

How many operators does momondo search for flights from Ireland to United States?

Accepted Answer

As of January 2026, there are 16 operators available to choose from for flights from Ireland to United States.

Question 19

How old do you have to be to fly from Ireland to United States?

Accepted Answer

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.

Question 20

What documentation or ID do you need to fly to United States?

Accepted Answer

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.

Best price found	€240
Fastest flight time	6h 45m
Direct flights	Every day
Airports in United States	4,296 airports

Airline	Rating	Free Cancellation	Price
Delta	PriceFrom €206	Free Cancellation	Rating 7.9 8,017 reviews	Search Delta flights
Scandinavian Airlines	PriceFrom €228	Free Cancellation	Rating 7.4 1,629 reviews	Search Scandinavian Airlines flights
PLAY	PriceFrom €235	Free Cancellation	Rating 7.0 103 reviews	Search PLAY flights
JetBlue	PriceFrom €291	Free Cancellation	Rating 7.2 2,903 reviews	Search JetBlue flights
Icelandair	PriceFrom €301	Free Cancellation	Rating 7.1 593 reviews	Search Icelandair flights
Aer Lingus	PriceFrom €311	Free Cancellation	Rating 7.2 1,418 reviews	Search Aer Lingus flights
TAP AIR PORTUGAL	PriceFrom €321	Free Cancellation	Rating 7.1 2,104 reviews	Search TAP AIR PORTUGAL flights
British Airways	PriceFrom €332	Free Cancellation	Rating 6.7 7,634 reviews	Search British Airways flights
American Airlines	PriceFrom €334	Free Cancellation	Rating 7.2 11,072 reviews	Search American Airlines flights
KLM	PriceFrom €337	Free Cancellation	Rating 7.7 1,435 reviews	Search KLM flights

Cheap flights from Ireland to the United States from €233

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 3/3. 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

What is the cheapest month to fly to United States?

What is the cheapest day to depart on your flight to United States?

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 afternoon. Our users have found flights to United States in the afternoon for as low as €516. Flights in the morning are often more expensive, with an average ticket price of €570.

What is the cheapest Ireland to United States flight route?

Fly from Dublin to San Francisco for the best Ireland - United States flight prices

How far in advance should I book a flight to United States?

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.

Can stopping save me money on Ireland to United States flights?

You could potentially save up to 2% on your flight if you consider stops on a Ireland to United States flight.

What is the cheapest airline that flies from Ireland to United States?

Aer Lingus, WestJet, and LEVEL are the most popular carriers operating from Ireland to United States

Which airlines fly to United States?

How often are flights from Ireland to the United States delayed?

Historically, on average around 12% of flights between Ireland and United States have experienced a delay on any given week. The average delay length over the past 12 months has been 144 minutes.

What is the most punctual flight time for Ireland to the United States flights?

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

What day of the week experiences the fewest flight delays on this route?

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

Which airline has the best punctuality record on Ireland to the United States flights?

According to our data, JetBlue have had the fewest delays on this route over the last 12 months, with about 9% of their flights experiencing any sort of delay.

How many flights depart from Ireland to United States on average per day?

As of January 2026, there are 53 flights per day flying from Ireland to United States. The most common time of day flights depart is 11:00, with 66% of flights taking off in the afternoon.

How many flights depart from Ireland to United States on average per week?

As of January 2026, 376 flights take off from Ireland and land in United States each week. The most common flight departure day for this route is Fri, with 18% of weekly flights taking off on this day.

How long is the flight from Ireland to United States?

Cheap Ireland to United States flight deals and tips

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When did momondo last update prices for flights from Ireland to United States?

How many operators does momondo search for flights from Ireland to United States?

How old do you have to be to fly from Ireland to United States?

What documentation or ID do you need to fly to United States?

What is the most popular plane model from Ireland to United States?

Best airlines flying from Ireland to United States

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