How long does it take to fly to Belfast?

Flight times from United States to Belfast vary, but if you’re flying out of Boston and flying into Belfast Intl Airport (one of the most popular routes), then the duration is 9h 15m on average. Another popular route from United States to Belfast is flying from New York to Belfast Intl Airport, which will take roughly 10h 05m. Keep in mind that layovers or delays could extend your travel time.

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

Prices for flights from United States to Belfast are updated daily.

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

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from United States to Belfast.

What documentation or ID do you need to fly to Belfast?

The required travel and health documents for your Belfast 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. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

£171 Cheap Flights from the United States to Belfast in 2025/26

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Find the cheapest flights from the United States to Belfast

Round-trip

One-way

Last minute

Recent return flight deals from the United States to Belfast

Enter your travel dates to find the best prices.

21:05 - 14:15

JFK

BHD

13h 10m1 stop

19:25 - 12:20

BHD

JFK

20h 55m1 stop

£394British Airways

Wed, 18 Mar - Mon, 23 Mar

19:30 - 09:10

EWR

BHD

9h 40m1 stop

06:35 - 20:35

BHD

EWR

18h 00m1 stop

£394British Airways

Wed, 11 Mar - Wed, 18 Mar

00:20 - 16:45

JFK

BHD

12h 25m1 stop

12:25 - 22:05

BHD

JFK

13h 40m1 stop

£401British Airways

Tue, 10 Mar - Wed, 18 Mar

21:50 - 13:55

JFK

BHD

11h 05m1 stop

06:35 - 13:05

BHD

JFK

11h 30m1 stop

£411American Airlines

Sun, 11 Jan - Tue, 27 Jan

14:35 - 19:20

SEA

BFS

20h 45m2 stops

07:20 - 18:00

BFS

SEA

17h 40m2 stops

£415Multiple Airlines

Wed, 4 Mar - Wed, 11 Mar

18:05 - 18:15

JFK

BFS

19h 10m1 stop

06:00 - 15:55

BFS

JFK

14h 55m1 stop

£430Multiple Airlines

Sun, 11 Jan - Tue, 27 Jan

19:20 - 21:00

EWR

BHD

21h 40m2 stops

06:30 - 18:38

BHD

EWR

16h 08m2 stops

£437Delta

Wed, 11 Mar - Wed, 18 Mar

15:34 - 21:00

EWR

BHD

25h 26m2 stops

06:30 - 23:39

BHD

EWR

21h 09m2 stops

£438Delta

Wed, 11 Mar - Wed, 18 Mar

21:45 - 16:40

IAD

BHD

13h 55m1 stop

11:05 - 23:59

BHD

IAD

16h 54m2 stops

£489American Airlines

Thu, 5 Mar - Thu, 12 Mar

19:59 - 16:50

IAD

BHD

16h 51m2 stops

17:20 - 17:05

BHD

IAD

27h 45m1 stop

£502KLM

Sun, 15 Mar - Tue, 24 Mar

British Airways flights from United States to Belfast

Our best British Airways deals on United States to Belfast flight tickets

British Airways

17 Mar

JFK00:20New York John F Kennedy Intl

12h 25m

1 stop

BHD16:45Belfast City

27 Mar

BHD11:30Belfast City

10h 45m

1 stop

JFK18:15New York John F Kennedy Intl

£394

Find similar

British Airways

10 Mar

JFK00:20New York John F Kennedy Intl

12h 25m

1 stop

BHD16:45Belfast City

18 Mar

BHD12:25Belfast City

13h 40m

1 stop

JFK22:05New York John F Kennedy Intl

£401

Find similar

British Airways

29 Mar

JFK23:10New York John F Kennedy Intl

10h 30m

1 stop

BHD14:40Belfast City

8 Apr

BHD10:00Belfast City

12h 35m

1 stop

JFK17:35New York John F Kennedy Intl

£406

Find similar

American Airlines flights from United States to Belfast

Our best American Airlines deals on United States to Belfast flight tickets

American Airlines

11 Jan

JFK21:50New York John F Kennedy Intl

11h 05m

1 stop

BHD13:55Belfast City

27 Jan

BHD06:35Belfast City

11h 30m

1 stop

JFK13:05New York John F Kennedy Intl

£411

Find similar

American Airlines

5 Mar

IAD21:45Washington, D.C. Dulles Intl

13h 55m

1 stop

BHD16:40Belfast City

12 Mar

BHD11:05Belfast City

16h 54m

2 stops

IAD23:59Washington, D.C. Dulles Intl

£489

Find similar

American Airlines

15 Mar

IAD16:46Washington, D.C. Dulles Intl

13h 34m

2 stops

BHD10:20Belfast City

24 Mar

BHD11:25Belfast City

16h 03m

2 stops

IAD23:28Washington, D.C. Dulles Intl

£575

Find similar

Fly from

Fly to

Route

Depart

Return

Price

New YorkBelfast

JFK - BHD

JFKBHD

New York John F Kennedy Intl

Wed 18/3

21:05-14:15

1 stop13h 10m

Belfast City

Mon 23/3

19:25-12:20

1 stop20h 55m

£394

NewarkBelfast

EWR - BHD

EWRBHD

Newark

Wed 11/3

19:30-09:10

1 stop9h 40m

Belfast City

Wed 18/3

06:35-20:35

1 stop18h 00m

£394

New YorkBelfast

JFK - BHD

JFKBHD

New York John F Kennedy Intl

Tue 10/3

00:20-16:45

1 stop12h 25m

Belfast City

Wed 18/3

12:25-22:05

1 stop13h 40m

£401

New YorkBelfast

JFK - BHD

JFKBHD

New York John F Kennedy Intl

Sun 11/1

21:50-13:55

1 stop11h 05m

Belfast City

Tue 27/1

06:35-13:05

1 stop11h 30m

£411

SeattleBelfast

SEA - BFS

SEABFS

Seattle/Tacoma Intl

Wed 4/3

14:35-19:20

2 stops20h 45m

Belfast Intl

Wed 11/3

07:20-18:00

2 stops17h 40m

£415

New YorkBelfast

JFK - BFS

JFKBFS

New York John F Kennedy Intl

Sun 11/1

18:05-18:15

1 stop19h 10m

Belfast Intl

Tue 27/1

06:00-15:55

1 stop14h 55m

£430

NewarkBelfast

EWR - BHD

EWRBHD

Newark

Wed 11/3

19:20-21:00

2 stops21h 40m

Belfast City

Wed 18/3

06:30-18:38

2 stops16h 08m

£437

NewarkBelfast

EWR - BHD

EWRBHD

Newark

Wed 11/3

15:34-21:00

2 stops25h 26m

Belfast City

Wed 18/3

06:30-23:39

2 stops21h 09m

£438

Washington, D.C.Belfast

IAD - BHD

IADBHD

Washington, D.C. Dulles Intl

Thu 5/3

21:45-16:40

1 stop13h 55m

Belfast City

Thu 12/3

11:05-23:59

2 stops16h 54m

£489

Washington, D.C.Belfast

IAD - BHD

IADBHD

Washington, D.C. Dulles Intl

Sun 15/3

19:59-16:50

2 stops16h 51m

Belfast City

Tue 24/3

17:20-17:05

1 stop27h 45m

£502

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

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

Airlines

Other information

What is the cheapest airline that flies from United States to Belfast?

British Airways and Aer Lingus are the most popular carriers operating from United States to Belfast

Cheap United States to Belfast flight deals and tips

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

Fastest flight time	9h 25m
Direct flights	None

The fastest flight from United States to Belfast takes 9h 25m

There are no direct flights from United States to Belfast. There are no popular flight routes from United States to Belfast.

Search flight deals

When did momondo last update prices for flights from United States to Belfast?
Prices for flights from United States to Belfast are updated daily.
How old do you have to be to fly from United States to Belfast?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from United States to Belfast.
What documentation or ID do you need to fly to Belfast?
The required travel and health documents for your Belfast 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. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Why use momondo?

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

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Belfast from United States.

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

Yes. All flights to Belfast from United States on momondo can be compared and filtered by various policies on offer, including flexible booking.

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

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from United States to Belfast.

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

If you are simply researching potential flights to Belfast, momondo offers a useful price alert feature which will track prices for flights to Belfast from United States and alert you when they change.