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Cheap flights from Northern Ireland to the United States from $321

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 2/23. 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

Enter your travel dates to find the best prices.
Multiple Airlines Logo
6:30 am - 6:00 pm
BFS
-
JFK
16h 30m2 stops
Multiple Airlines Logo
7:25 pm - 8:10 pm
JFK
-
BFS
19h 45m2 stops
$513Multiple Airlines
Thu, Jan 15 - Tue, Jan 20
Multiple Airlines Logo
6:30 am - 6:00 pm
BFS
-
JFK
16h 30m2 stops
Multiple Airlines Logo
7:25 pm - 7:35 pm
JFK
-
BFS
19h 10m2 stops
$522Multiple Airlines
Thu, Jan 29 - Wed, Feb 4
Multiple Airlines Logo
6:30 am - 6:25 pm
BFS
-
EWR
16h 55m2 stops
Multiple Airlines Logo
7:35 pm - 5:55 pm
EWR
-
BFS
17h 20m2 stops
$522Multiple Airlines
Thu, Jan 29 - Wed, Feb 4
Multiple Airlines Logo
3:05 pm - 6:40 pm
BHD
-
MCO
32h 35m1 stop
Multiple Airlines Logo
8:55 pm - 4:15 pm
MCO
-
BHD
14h 20m1 stop
$535Multiple Airlines
Sun, Jan 18 - Fri, Jan 23
Multiple Airlines Logo
8:45 pm - 6:40 pm
BFS
-
MCO
26h 55m1 stop
Multiple Airlines Logo
8:55 pm - 7:40 am
MCO
-
BFS
29h 45m1 stop
$554Multiple Airlines
Sun, Jan 18 - Thu, Jan 22
British Airways Logo
6:35 am - 7:15 pm
BHD
-
JFK
17h 40m2 stops
British Airways Logo
6:16 pm - 2:15 pm
JFK
-
BHD
38h 59m2 stops
$696British Airways
Wed, Feb 4 - Sun, Feb 8
British Airways Logo
6:35 am - 12:35 pm
BHD
-
JFK
11h 00m1 stop
British Airways Logo
9:35 pm - 2:15 pm
JFK
-
BHD
11h 40m1 stop
$714British Airways
Thu, Jan 29 - Wed, Feb 4
British Airways Logo
8:05 pm - 11:05 am
BHD
-
JFK
20h 00m1 stop
British Airways Logo
8:55 pm - 3:30 pm
JFK
-
BHD
13h 35m1 stop
$717British Airways
Sun, Apr 26 - Thu, Apr 30
American Airlines Logo
6:35 am - 9:06 pm
BHD
-
MCO
19h 31m2 stops
American Airlines Logo
6:48 pm - 4:40 pm
MCO
-
BHD
16h 52m2 stops
$765American Airlines
Sat, Jan 17 - Thu, Jan 22
American Airlines Logo
8:45 am - 9:41 pm
BHD
-
DFW
18h 56m2 stops
American Airlines Logo
3:45 pm - 2:15 pm
DFW
-
BHD
16h 30m1 stop
$2,016American Airlines
Fri, Dec 19 - Mon, Dec 29

British Airways flights from Northern Ireland to United States

Our best British Airways deals on Northern Ireland to United States flight tickets
British Airways
Feb 4
BHD6:35 amBelfast City
17h 40m
2 stops
JFK7:15 pmNew York John F Kennedy Intl
Feb 8
JFK6:16 pmNew York John F Kennedy Intl
38h 59m
2 stops
BHD2:15 pmBelfast City
$696
Find similar
British Airways
Jan 29
BHD6:35 amBelfast City
11h 00m
1 stop
JFK12:35 pmNew York John F Kennedy Intl
Feb 4
JFK9:35 pmNew York John F Kennedy Intl
11h 40m
1 stop
BHD2:15 pmBelfast City
$714
Find similar
British Airways
Apr 26
BHD8:05 pmBelfast City
20h 00m
1 stop
JFK11:05 amNew York John F Kennedy Intl
Apr 30
JFK8:55 pmNew York John F Kennedy Intl
13h 35m
1 stop
BHD3:30 pmBelfast City
$717
Find similar

Virgin Atlantic flights from Northern Ireland to United States

Our best Virgin Atlantic deals on Northern Ireland to United States flight tickets
Virgin Atlantic
Jan 29
BHD5:20 pmBelfast City
25h 00m
1 stop
JFK1:20 pmNew York John F Kennedy Intl
Feb 4
JFK2:30 pmNew York John F Kennedy Intl
21h 20m
2 stops
BHD4:50 pmBelfast City
$745
Find similar
Virgin Atlantic
Feb 19
BHD5:20 pmBelfast City
34h 08m
2 stops
JFK10:28 pmNew York John F Kennedy Intl
Feb 23
JFK4:45 pmNew York John F Kennedy Intl
19h 05m
1 stop
BHD4:50 pmBelfast City
$750
Find similar
Virgin Atlantic
Jan 29
BHD5:20 pmBelfast City
34h 02m
2 stops
JFK10:22 pmNew York John F Kennedy Intl
Feb 4
JFK2:30 pmNew York John F Kennedy Intl
21h 20m
2 stops
BHD4:50 pmBelfast City
$751
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 December 7, 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

BelfastNew York

BFS - JFK

BFSJFK

Belfast Intl

Thu 1/15

6:30 am-6:00 pm

2 stops16h 30m

New York John F Kennedy Intl

Tue 1/20

7:25 pm-8:10 pm

2 stops19h 45m

$513

BelfastNew York

BFS - JFK

BFSJFK

Belfast Intl

Thu 1/29

6:30 am-6:00 pm

2 stops16h 30m

New York John F Kennedy Intl

Wed 2/4

7:25 pm-7:35 pm

2 stops19h 10m

$522

BelfastNewark

BFS - EWR

BFSEWR

Belfast Intl

Thu 1/29

6:30 am-6:25 pm

2 stops16h 55m

Newark

Wed 2/4

7:35 pm-5:55 pm

2 stops17h 20m

$522

BelfastOrlando

BHD - MCO

BHDMCO

Belfast City

Sun 1/18

3:05 pm-6:40 pm

1 stop32h 35m

Orlando

Fri 1/23

8:55 pm-4:15 pm

1 stop14h 20m

$535

BelfastOrlando

BFS - MCO

BFSMCO

Belfast Intl

Sun 1/18

8:45 pm-6:40 pm

1 stop26h 55m

Orlando

Thu 1/22

8:55 pm-7:40 am

1 stop29h 45m

$554

BelfastNew York

BHD - JFK

BHDJFK

Belfast City

Wed 2/4

6:35 am-7:15 pm

2 stops17h 40m

New York John F Kennedy Intl

Sun 2/8

6:16 pm-2:15 pm

2 stops38h 59m

$696

BelfastNew York

BHD - JFK

BHDJFK

Belfast City

Thu 1/29

6:35 am-12:35 pm

1 stop11h 00m

New York John F Kennedy Intl

Wed 2/4

9:35 pm-2:15 pm

1 stop11h 40m

$714

BelfastNew York

BHD - JFK

BHDJFK

Belfast City

Sun 4/26

8:05 pm-11:05 am

1 stop20h 00m

New York John F Kennedy Intl

Thu 4/30

8:55 pm-3:30 pm

1 stop13h 35m

$717

BelfastOrlando

BHD - MCO

BHDMCO

Belfast City

Sat 1/17

6:35 am-9:06 pm

2 stops19h 31m

Orlando

Thu 1/22

6:48 pm-4:40 pm

2 stops16h 52m

$765

BelfastDallas

BHD - DFW

BHDDFW

Belfast City

Fri 12/19

8:45 am-9:41 pm

2 stops18h 56m

Dallas/Fort Worth

Mon 12/29

3:45 pm-2:15 pm

1 stop16h 30m

$2,016

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to the United States from

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 $542. 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 $560.

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 1% 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

Fastest flight time

10h 54m

Direct flights

None
The fastest flight from Northern Ireland to United States takes 10h 54m
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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