Cheap flights from Northern Ireland to the United States from £156
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Northern 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 Northern 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 month of May is, on average, the cheapest month to fly to United States from Northern Ireland, with most prices found around £410. If you are unable to visit United States during the month of May, then departing from Northern Ireland during the month September is also very affordable. Most momondo users find prices during this month for around £410.
What is the cheapest day to depart on your flight to United States?
According to our data, Wednesday is the cheapest day to fly to United States from Northern Ireland. The lowest ticket price found for a Wednesday departure recently was £422. 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 Northern Ireland to United States for around £525.
What is the cheapest time of day to depart on your flight to United States?
Our most recent data shows that the best time of day to fly to United States is at midday. Flights from Northern Ireland to United States during this time can be as low as £450. If you have a flexible travel schedule, then try to avoid flying in the evening when prices are £558 on average. Flights to United States from Northern Ireland in the evening are generally more expensive because this time of day is more convenient for travellers’ schedules.
Can stopping save me money on Northern Ireland to United States flights?
You could potentially save up to 30% on your flight if you consider stops on a Northern Ireland to United States flight.
Cheap Northern Ireland to United States flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Northern Ireland to United States
When did momondo last update prices for flights from Northern Ireland to United States?
Prices for flights from Northern Ireland to United States refresh daily.
How many operators does momondo search for flights from Northern Ireland to United States?
The number of operators available for flights from Northern Ireland to United States is 3 as of June 2025.
How old do you have to be to fly from Northern Ireland to United States?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Northern 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 license, 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 airlines flying from Northern Ireland to United States
Compare and see reviews for airlines that fly from Northern Ireland to United States with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom £344 | Free Cancellation | Rating 6.6 7,031 reviews | |||
| PriceFrom £416 | Free Cancellation | Rating 7.2 10,000 reviews |
Why use momondo?
Why should I use momondo to find a flight deal from Northern 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 Northern Ireland.
Can I find flights from Northern Ireland to United States with flexible booking policies on momondo?
Yes. momondo allows you to filter the results for Northern Ireland to United States flights to just show those with flexible booking policies.
How can momondo help me find flights from Northern Ireland to United States?
Once you have performed a search for Northern Ireland to United States flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.
I’m not ready to book a flight from Northern Ireland to United States right now. Can momondo alert me if prices change?
If you are simply researching potential flights to United States, momondo offers a useful price alert feature which will track prices for flights to United States from Northern Ireland and alert you when they change.