Cheap flights from Belfast Intl Airport to the United States from £304
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Belfast Intl Airport to the United States departing on 24/8. 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 Belfast Intl Airport 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 Belfast Intl Airport, with most prices found around £409. If you are unable to visit United States during the month of May, then departing from Belfast Intl Airport during the month September is also very affordable. Most momondo users find prices during this month for around £409.
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 Belfast Intl Airport. 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 Belfast Intl Airport to United States for around £524.
Cheap Belfast Intl Airport to United States flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Belfast Intl Airport to United States
When did momondo last update prices for flights from Belfast Intl Airport to United States?
Prices for flights from Belfast Intl Airport to United States refresh daily.
How many operators does momondo search for flights from Belfast Intl Airport to United States?
As of June 2025, there are 3 operators available to choose from for flights from Belfast Intl Airport to United States.
How old do you have to be to fly from Belfast Intl Airport to United States?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Belfast Intl Airport to United States.
What documentation or ID do you need to fly to United States?
The travel and health documents you'll need for your trip to United States may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at United States. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.
Best airlines flying from Belfast Intl Airport to United States
Compare and see reviews for airlines that fly from Belfast Intl Airport to United States with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom £366 | Free Cancellation | Rating 6.6 7,056 reviews | |||
| PriceFrom £415 | Free Cancellation | Rating 7.2 10,000 reviews |
Why use momondo?
Why should I use momondo to find a flight deal from Belfast to United States?
Finding the right flight to United States from Belfast is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to United States quick and easy, saving you time and money.
Can I find flights from Belfast to United States with flexible booking policies on momondo?
All flight searches from Belfast to United States on momondo can be filtered to show those which offer flexible booking policies.
How can momondo help me find flights from Belfast to United States?
momondo provides multiple filters to help you find the best flight to United States from Belfast. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.
I’m not ready to book a flight from Belfast to United States right now. Can momondo alert me if prices change?
Of course. momondo tracks the price of Belfast to United States flights. All you need is a valid email address and we will do the rest; it is that quick and easy.