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Cheap flights from the United States to Belfast from $188

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from the United States to Belfast departing on 12/2. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Find the cheapest flights from the United States to Belfast

Recent round-trip flight deals from the United States to Belfast

Logo
6:20 pm - 11:00 pmJFK-BFS
23h 40m1 stop
Logo
8:15 am - 3:55 pmBFS-JFK
12h 40m1 stop
$443
Find Deal
Mon, Sep 22 - Tue, Oct 7
Logo
6:05 pm - 10:05 amJFK-BFS
11h 00m1 stop
Logo
8:55 pm - 3:55 pmBFS-JFK
24h 00m1 stop
$465
Find Deal
Mon, Nov 10 - Mon, Nov 24
Logo
6:05 pm - 10:05 amJFK-BFS
11h 00m1 stop
Logo
6:30 am - 3:55 pmBFS-JFK
14h 25m1 stop
$469
Find Deal
Tue, Nov 11 - Tue, Nov 25
Logo
6:20 pm - 9:55 amJFK-BFS
10h 35m1 stop
Logo
8:15 am - 3:55 pmBFS-JFK
12h 40m1 stop
$481
Find Deal
Sun, Sep 21 - Tue, Oct 7
Logo
6:05 pm - 10:05 amJFK-BFS
11h 00m1 stop
Logo
6:20 am - 10:30 pmBFS-JFK
21h 10m2 stops
$494
Find Deal
Mon, Nov 10 - Mon, Nov 24
Logo
6:05 pm - 8:10 pmJFK-BFS
21h 05m1 stop
Logo
6:30 am - 3:55 pmBFS-JFK
14h 25m1 stop
$495
Find Deal
Mon, Nov 17 - Fri, Nov 21
Logo
6:20 pm - 11:10 pmJFK-BFS
23h 50m1 stop
Logo
8:15 am - 3:55 pmBFS-JFK
12h 40m1 stop
$497
Find Deal
Sun, Sep 21 - Tue, Oct 7
Logo
6:20 pm - 9:55 amJFK-BFS
10h 35m1 stop
Logo
6:10 am - 3:55 pmBFS-JFK
14h 45m1 stop
$506
Find Deal
Wed, Sep 10 - Wed, Sep 17
Logo
6:20 pm - 7:45 amJFK-BFS
32h 25m1 stop
Logo
9:40 am - 3:55 pmBFS-JFK
11h 15m1 stop
$517
Find Deal
Sat, Sep 27 - Sat, Oct 4
Logo
6:05 pm - 10:05 amJFK-BFS
11h 00m1 stop
Logo
6:30 am - 3:55 pmBFS-JFK
14h 25m1 stop
$531
Find Deal
Mon, Nov 10 - Wed, Nov 26

momondo Fare Finder

 
Customize your flight search to find flights from United States to Belfast Intl Airport 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 August 13, 2025.
Use the filters below to find and compare flights from the United States to Belfast Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

New YorkBelfast

JFK - BFS

JFKBFS

New York John F Kennedy Intl

Mon 9/22

6:20 pm-11:00 pm

1 stop23h 40m

Belfast Intl

Tue 10/7

8:15 am-3:55 pm

1 stop12h 40m

$443

New YorkBelfast

JFK - BFS

JFKBFS

New York John F Kennedy Intl

Mon 11/10

6:05 pm-10:05 am

1 stop11h 00m

Belfast Intl

Mon 11/24

8:55 pm-3:55 pm

1 stop24h 00m

$465

New YorkBelfast

JFK - BFS

JFKBFS

New York John F Kennedy Intl

Tue 11/11

6:05 pm-10:05 am

1 stop11h 00m

Belfast Intl

Tue 11/25

6:30 am-3:55 pm

1 stop14h 25m

$469

New YorkBelfast

JFK - BFS

JFKBFS

New York John F Kennedy Intl

Sun 9/21

6:20 pm-9:55 am

1 stop10h 35m

Belfast Intl

Tue 10/7

8:15 am-3:55 pm

1 stop12h 40m

$481

New YorkBelfast

JFK - BFS

JFKBFS

New York John F Kennedy Intl

Mon 11/10

6:05 pm-10:05 am

1 stop11h 00m

Belfast Intl

Mon 11/24

6:20 am-10:30 pm

2 stops21h 10m

$494

New YorkBelfast

JFK - BFS

JFKBFS

New York John F Kennedy Intl

Mon 11/17

6:05 pm-8:10 pm

1 stop21h 05m

Belfast Intl

Fri 11/21

6:30 am-3:55 pm

1 stop14h 25m

$495

New YorkBelfast

JFK - BFS

JFKBFS

New York John F Kennedy Intl

Sun 9/21

6:20 pm-11:10 pm

1 stop23h 50m

Belfast Intl

Tue 10/7

8:15 am-3:55 pm

1 stop12h 40m

$497

New YorkBelfast

JFK - BFS

JFKBFS

New York John F Kennedy Intl

Wed 9/10

6:20 pm-9:55 am

1 stop10h 35m

Belfast Intl

Wed 9/17

6:10 am-3:55 pm

1 stop14h 45m

$506

New YorkBelfast

JFK - BFS

JFKBFS

New York John F Kennedy Intl

Sat 9/27

6:20 pm-7:45 am

1 stop32h 25m

Belfast Intl

Sat 10/4

9:40 am-3:55 pm

1 stop11h 15m

$517

New YorkBelfast

JFK - BFS

JFKBFS

New York John F Kennedy Intl

Mon 11/10

6:05 pm-10:05 am

1 stop11h 00m

Belfast Intl

Wed 11/26

6:30 am-3:55 pm

1 stop14h 25m

$531

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 Belfast from

How to get the cheapest flight ticket from United States to Belfast Intl Airport

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 day to depart on your flight to Belfast Intl Airport?

The cheapest day to depart on your flight to Belfast Intl Airport is on a Monday when prices can be found for as low as $654. This is often the case because there is less demand to fly during this day of the week. When flying out on a Saturday, the most expensive travel day of the week, you can expect to see flight prices from United States to Belfast Intl Airport for around $845.

What is the cheapest time of day to depart on your flight to Belfast Intl Airport?

In the afternoon is the cheapest time of day to fly from United States to Belfast Intl Airport when you can find flight prices for as low as $660. Flying to Belfast Intl Airport in the afternoon is an ideal time because this is during off-peak travel hours. In contrast, the most expensive time of day to depart to Belfast Intl Airport is in the morning when prices are around $916.

Cheap United States to Belfast Intl Airport flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from United States to Belfast Intl Airport

Best Price Found

$188

Fastest flight time

8h 45m

Direct flights

None
The best one-way flight to Belfast Intl Airport from United States in the past 72 hours is $188. The best round-trip flight deal from United States to Belfast Intl Airport found on momondo in the last 72 hours is $443.
The fastest flight from United States to Belfast Intl Airport takes 8h 45m
There are no direct flights from United States to Belfast Intl Airport. Popular non-direct routes for this connection are New York John F Kennedy Intl Airport - Belfast Intl Airport, Los Angeles Airport - Belfast Intl Airport and Newark Airport - Belfast Intl Airport.
Search flight deals

  • When did momondo last update prices for flights from United States to Belfast Intl Airport?

    Prices for flights from United States to Belfast Intl Airport refresh daily.

  • How many operators does momondo search for flights from United States to Belfast Intl Airport?

  • How old do you have to be to fly from United States to Belfast Intl Airport?

    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 United States to Belfast Intl Airport.

  • What documentation or ID do you need to fly to Belfast Intl Airport?

    The required travel and health documents for your Belfast Intl Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Belfast Intl Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Best airlines flying from United States to Belfast Intl Airport

Compare and see reviews for airlines that fly from United States to Belfast Intl Airport with momondo
Airline
Rating
Free Cancellation
Price
British AirwaysPriceFrom $565Free CancellationRating
6.6
7,265 reviews
Search British Airways flights
American AirlinesPriceFrom $586Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights

Traveling to a place near Belfast?

Book flights to Belfast if you plan to visit one of these locations
Newry
Armagh
Cookstown
Dungannon

Why use momondo?

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from United States to Belfast. momondo saves you time and could save you money on your trip.

Can I find flights from United States to Belfast with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to Belfast from United States with this policy.

How can momondo help me find flights from United States to Belfast?

Once all potential United States to Belfast flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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

Price alerts on flights to Belfast from United States are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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