Cheap flights from Northern Ireland to the United States from $299

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 4/15. 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
2:15 pm - 4:55 pm
BFS
-
JFK
30h 40m
1 stop
Multiple Airlines Logo
7:05 pm - 10:05 am
JFK
-
BFS
11h 00m
1 stop
$463Multiple Airlines
Tue, Mar 17 - Sun, Mar 22
Multiple Airlines Logo
6:30 am - 7:25 pm
BFS
-
EWR
16h 55m
2 stops
Multiple Airlines Logo
8:35 pm - 4:10 pm
EWR
-
BFS
15h 35m
2 stops
$480Multiple Airlines
Wed, Mar 18 - Sat, Mar 21
Multiple Airlines Logo
6:30 am - 7:40 pm
BFS
-
MCO
17h 10m
1 stop
Multiple Airlines Logo
9:55 pm - 8:55 am
MCO
-
BFS
31h 00m
1 stop
$493Multiple Airlines
Fri, Mar 13 - Fri, Mar 20
Multiple Airlines Logo
8:35 am - 4:55 pm
BFS
-
JFK
12h 20m
1 stop
Multiple Airlines Logo
7:05 pm - 4:10 pm
JFK
-
BFS
17h 05m
1 stop
$500Multiple Airlines
Wed, Mar 18 - Sat, Mar 21
British Airways Logo
3:05 pm - 11:05 pm
BHD
-
JFK
12h 00m
1 stop
British Airways Logo
10:35 pm - 2:00 pm
JFK
-
BHD
11h 25m
1 stop
$565British Airways
Thu, Mar 12 - Thu, Mar 19
British Airways Logo
9:05 am - 8:32 pm
BHD
-
JFK
15h 27m
2 stops
British Airways Logo
10:35 pm - 2:00 pm
JFK
-
BHD
11h 25m
1 stop
$578British Airways
Thu, Mar 12 - Thu, Mar 19
KLM Logo
5:20 pm - 9:43 pm
BHD
-
DFW
34h 23m
2 stops
KLM Logo
1:00 pm - 4:50 pm
DFW
-
BHD
21h 50m
2 stops
$1,101KLM
Thu, Feb 19 - Wed, Feb 25
American Airlines Logo
11:05 am - 9:00 pm
BHD
-
DFW
15h 55m
1 stop
American Airlines Logo
6:40 pm - 2:15 pm
DFW
-
BHD
13h 35m
1 stop
$1,102American Airlines
Thu, Feb 19 - Wed, Feb 25
American Airlines Logo
6:35 am - 9:00 pm
BHD
-
DFW
20h 25m
1 stop
American Airlines Logo
5:12 pm - 2:15 pm
DFW
-
BHD
15h 03m
2 stops
$1,106American Airlines
Thu, Feb 19 - Wed, Feb 25
Delta Logo
5:20 pm - 12:19 am
BHD
-
DFW
36h 59m
2 stops
Delta Logo
1:00 pm - 9:00 pm
DFW
-
BHD
26h 00m
2 stops
$1,108Delta
Thu, Feb 19 - Wed, Feb 25

Aer Lingus flights from Northern Ireland to United States

Our best Aer Lingus deals on Northern Ireland to United States flight tickets
Aer Lingus
Apr 26
BHD5:55 pmBelfast City
24h 45m
2 stops
JFK1:40 pmNew York John F Kennedy Intl
Apr 30
JFK7:50 amNew York John F Kennedy Intl
18h 55m
1 stop
BHD7:45 amBelfast City
$1,004
Aer Lingus
Jun 18
BHD4:55 pmBelfast City
30h 55m
2 stops
BOS6:50 pmBoston Logan Intl
Jul 24
BOS11:30 pmBoston Logan Intl
16h 25m
2 stops
BHD8:55 pmBelfast City
$1,122

British Airways flights from Northern Ireland to United States

Our best British Airways deals on Northern Ireland to United States flight tickets
British Airways
Mar 12
BHD3:05 pmBelfast City
12h 00m
1 stop
JFK11:05 pmNew York John F Kennedy Intl
Mar 19
JFK10:35 pmNew York John F Kennedy Intl
11h 25m
1 stop
BHD2:00 pmBelfast City
$565
British Airways
Mar 12
BHD9:05 amBelfast City
15h 27m
2 stops
JFK8:32 pmNew York John F Kennedy Intl
Mar 19
JFK10:35 pmNew York John F Kennedy Intl
11h 25m
1 stop
BHD2:00 pmBelfast City
$578
British Airways
Apr 23
BHD7:30 pmBelfast City
26h 25m
2 stops
JFK4:55 pmNew York John F Kennedy Intl
May 12
JFK8:55 pmNew York John F Kennedy Intl
13h 25m
1 stop
BHD3:20 pmBelfast City
$585

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 January 27, 2026.
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

Tue 3/17

2:15 pm-4:55 pm

1 stop30h 40m

New York John F Kennedy Intl

Sun 3/22

7:05 pm-10:05 am

1 stop11h 00m

$463

BelfastNewark

BFS - EWR

BFSEWR

Belfast Intl

Wed 3/18

6:30 am-7:25 pm

2 stops16h 55m

Newark

Sat 3/21

8:35 pm-4:10 pm

2 stops15h 35m

$480

BelfastOrlando

BFS - MCO

BFSMCO

Belfast Intl

Fri 3/13

6:30 am-7:40 pm

1 stop17h 10m

Orlando

Fri 3/20

9:55 pm-8:55 am

1 stop31h 00m

$493

BelfastNew York

BFS - JFK

BFSJFK

Belfast Intl

Wed 3/18

8:35 am-4:55 pm

1 stop12h 20m

New York John F Kennedy Intl

Sat 3/21

7:05 pm-4:10 pm

1 stop17h 05m

$500

BelfastNew York

BHD - JFK

BHDJFK

Belfast City

Thu 3/12

3:05 pm-11:05 pm

1 stop12h 00m

New York John F Kennedy Intl

Thu 3/19

10:35 pm-2:00 pm

1 stop11h 25m

$565

BelfastNew York

BHD - JFK

BHDJFK

Belfast City

Thu 3/12

9:05 am-8:32 pm

2 stops15h 27m

New York John F Kennedy Intl

Thu 3/19

10:35 pm-2:00 pm

1 stop11h 25m

$578

BelfastDallas

BHD - DFW

BHDDFW

Belfast City

Thu 2/19

5:20 pm-9:43 pm

2 stops34h 23m

Dallas/Fort Worth

Wed 2/25

1:00 pm-4:50 pm

2 stops21h 50m

$1,101

BelfastDallas

BHD - DFW

BHDDFW

Belfast City

Thu 2/19

11:05 am-9:00 pm

1 stop15h 55m

Dallas/Fort Worth

Wed 2/25

6:40 pm-2:15 pm

1 stop13h 35m

$1,102

BelfastDallas

BHD - DFW

BHDDFW

Belfast City

Thu 2/19

6:35 am-9:00 pm

1 stop20h 25m

Dallas/Fort Worth

Wed 2/25

5:12 pm-2:15 pm

2 stops15h 03m

$1,106

BelfastDallas

BHD - DFW

BHDDFW

Belfast City

Thu 2/19

5:20 pm-12:19 am

2 stops36h 59m

Dallas/Fort Worth

Wed 2/25

1:00 pm-9:00 pm

2 stops26h 00m

$1,108

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 January instead. Flights to United States in January, while not as cheap as those in May, still average around $566.

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 40m

Direct flights

None
The fastest flight from Northern Ireland to United States takes 10h 40m
There are no direct flights from Northern Ireland to United States. There are no popular flight routes 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 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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1 adult
Thu 2/26
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