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Cheap flights from Northern Ireland to the United States from $331

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 12/11. 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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Cheap round-trip flights

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Multiple Airlines Logo
7:00 am - 10:10 pmBFS-EWR
44h 10m2 stops
Multiple Airlines Logo
1:35 am - 8:20 amEWR-BFS
25h 45m2 stops
$510Multiple Airlines
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Wed, Dec 3 - Sat, Dec 6
Multiple Airlines Logo
6:30 am - 10:10 pmBFS-EWR
20h 40m2 stops
Multiple Airlines Logo
12:15 am - 1:45 pmEWR-BFS
32h 30m2 stops
$523Multiple Airlines
Find Deal
Wed, Nov 26 - Tue, Dec 2
British Airways Logo
6:35 am - 2:20 pmBHD-JFK
12h 45m1 stop
British Airways Logo
11:20 pm - 5:15 pmJFK-BHD
12h 55m1 stop
$724British Airways
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Mon, Jan 12 - Fri, Jan 16
British Airways Logo
9:15 am - 5:15 pmBHD-JFK
13h 00m1 stop
British Airways Logo
11:20 pm - 5:15 pmJFK-BHD
12h 55m1 stop
$726British Airways
Find Deal
Mon, Jan 12 - Fri, Jan 16
Finnair Logo
11:30 am - 6:40 pmBHD-JFK
12h 10m1 stop
Finnair Logo
9:50 pm - 2:15 pmJFK-BHD
11h 25m1 stop
$739Finnair
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Mon, Jan 12 - Fri, Jan 16
Virgin Atlantic Logo
6:30 am - 9:18 pmBHD-JFK
19h 48m2 stops
Virgin Atlantic Logo
6:50 pm - 4:50 pmJFK-BHD
17h 00m1 stop
$741Virgin Atlantic
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Fri, Nov 28 - Tue, Dec 2
Finnair Logo
11:25 am - 8:22 pmBHD-MIA
37h 57m2 stops
Finnair Logo
6:05 pm - 2:00 pmMIA-BHD
14h 55m2 stops
$759Finnair
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Tue, Nov 25 - Thu, Dec 11
American Airlines Logo
6:45 am - 2:40 pmBHD-MIA
12h 55m1 stop
American Airlines Logo
3:04 pm - 10:30 amMIA-BHD
15h 26m2 stops
$791American Airlines
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Fri, Mar 6 - Tue, Mar 10
American Airlines Logo
6:35 am - 1:35 pmBHD-JFK
11h 00m1 stop
American Airlines Logo
8:55 pm - 3:40 pmJFK-BHD
13h 45m1 stop
$997American Airlines
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Thu, Mar 26 - Mon, Mar 30
Virgin Atlantic Logo
6:30 am - 5:02 pmBHD-DFW
16h 32m2 stops
Virgin Atlantic Logo
6:35 pm - 4:50 pmDFW-BHD
17h 15m2 stops
$1,251Virgin Atlantic
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Fri, Mar 6 - Tue, Mar 10

American Airlines flights from Northern Ireland to United States

Our best American Airlines deals on Northern Ireland to United States flight tickets
American Airlines
Mar 6
BHD6:45 amBelfast City
12h 55m
1 stop
MIA2:40 pmMiami
Mar 10
MIA3:04 pmMiami
15h 26m
2 stops
BHD10:30 amBelfast City
$791
Find similar
American Airlines
Mar 26
BHD6:35 amBelfast City
11h 00m
1 stop
JFK1:35 pmNew York John F Kennedy Intl
Mar 30
JFK8:55 pmNew York John F Kennedy Intl
13h 45m
1 stop
BHD3:40 pmBelfast City
$997
Find similar
American Airlines
Mar 26
BHD9:05 amBelfast City
13h 10m
1 stop
JFK6:15 pmNew York John F Kennedy Intl
Mar 30
JFK7:29 pmNew York John F Kennedy Intl
12h 26m
1 stop
BHD12:55 pmBelfast City
$998
Find similar

Finnair flights from Northern Ireland to United States

Our best Finnair deals on Northern Ireland to United States flight tickets
Finnair
Jan 12
BHD11:30 amBelfast City
12h 10m
1 stop
JFK6:40 pmNew York John F Kennedy Intl
Jan 16
JFK9:50 pmNew York John F Kennedy Intl
11h 25m
1 stop
BHD2:15 pmBelfast City
$739
Find similar
Finnair
Nov 25
BHD11:25 amBelfast City
37h 57m
2 stops
MIA8:22 pmMiami
Dec 11
MIA6:05 pmMiami
14h 55m
2 stops
BHD2:00 pmBelfast City
$759
Find similar
Finnair
Jan 12
BHD11:30 amBelfast City
38h 30m
2 stops
JFK9:00 pmNew York John F Kennedy Intl
Jan 16
JFK8:00 amNew York John F Kennedy Intl
25h 15m
2 stops
BHD2:15 pmBelfast City
$837
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Northern Ireland to United States that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated October 14, 2025.
Use the filters below to find and compare flights from Northern Ireland to the United States that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

BelfastNewark

BFS - EWR

BFSEWR

Belfast Intl

Wed 12/3

7:00 am-10:10 pm

2 stops44h 10m

Newark

Sat 12/6

1:35 am-8:20 am

2 stops25h 45m

$510

BelfastNewark

BFS - EWR

BFSEWR

Belfast Intl

Wed 11/26

6:30 am-10:10 pm

2 stops20h 40m

Newark

Tue 12/2

12:15 am-1:45 pm

2 stops32h 30m

$523

BelfastNew York

BHD - JFK

BHDJFK

Belfast City

Mon 1/12

6:35 am-2:20 pm

1 stop12h 45m

New York John F Kennedy Intl

Fri 1/16

11:20 pm-5:15 pm

1 stop12h 55m

$724

BelfastNew York

BHD - JFK

BHDJFK

Belfast City

Mon 1/12

9:15 am-5:15 pm

1 stop13h 00m

New York John F Kennedy Intl

Fri 1/16

11:20 pm-5:15 pm

1 stop12h 55m

$726

BelfastNew York

BHD - JFK

BHDJFK

Belfast City

Mon 1/12

11:30 am-6:40 pm

1 stop12h 10m

New York John F Kennedy Intl

Fri 1/16

9:50 pm-2:15 pm

1 stop11h 25m

$739

BelfastNew York

BHD - JFK

BHDJFK

Belfast City

Fri 11/28

6:30 am-9:18 pm

2 stops19h 48m

New York John F Kennedy Intl

Tue 12/2

6:50 pm-4:50 pm

1 stop17h 00m

$741

BelfastMiami

BHD - MIA

BHDMIA

Belfast City

Tue 11/25

11:25 am-8:22 pm

2 stops37h 57m

Miami

Thu 12/11

6:05 pm-2:00 pm

2 stops14h 55m

$759

BelfastMiami

BHD - MIA

BHDMIA

Belfast City

Fri 3/6

6:45 am-2:40 pm

1 stop12h 55m

Miami

Tue 3/10

3:04 pm-10:30 am

2 stops15h 26m

$791

BelfastNew York

BHD - JFK

BHDJFK

Belfast City

Thu 3/26

6:35 am-1:35 pm

1 stop11h 00m

New York John F Kennedy Intl

Mon 3/30

8:55 pm-3:40 pm

1 stop13h 45m

$997

BelfastDallas

BHD - DFW

BHDDFW

Belfast City

Fri 3/6

6:30 am-5:02 pm

2 stops16h 32m

Dallas/Fort Worth

Tue 3/10

6:35 pm-4:50 pm

2 stops17h 15m

$1,251

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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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?

In general, May is the cheapest month to fly from Northern Ireland to United States. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $544. If you aren’t able to travel during the month of May, then book flights to United States from Northern Ireland during February instead. Flights to United States in February, while not as cheap as those in May, still average around $566.

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

According to our data, Sunday is the cheapest day to fly to United States from Northern Ireland. The lowest ticket price found for a Sunday departure recently was $566. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. If your travel schedule is flexible, try to avoid departing on a Thursday because tickets tend to average around $568. These prices are subject to change though, so be sure to set up a Price Alert for flights to United States.

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

The cheapest time of day to fly to United States is in the morning when flights can be purchased for as low as $557. Try not to purchase tickets in the afternoon because they tend to be around $566. Of course, these prices can vary depending on the time of year and what airport you fly to.

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

You could potentially save up to 12% 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

Direct flights

None
There are no direct flights from Northern Ireland to United States. There are no popular flight routes from Northern Ireland to United States.
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  • When did momondo last update prices for flights from Northern Ireland to United States?

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

  • 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.

Why use momondo?

Why should I use momondo to find a flight deal from Northern Ireland to United States?

Finding the right flight to United States from Northern Ireland 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 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?

momondo helps you find the best flight between Northern Ireland and United States by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from Northern Ireland to United States right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of Northern Ireland to United States flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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