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 are updated daily.

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

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 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.

£249 Cheap Flights from United States to Belfast Intl Airport in 2026

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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.

20:25 - 15:55

EWR

BFS

14h 30m

2 stops

12:35 - 21:00

BFS

EWR

37h 25m

3 stops

£564Multiple Airlines

Wed, 6 May - Wed, 13 May

20:30 - 19:50

IAD

BFS

18h 20m

3 stops

20:15 - 15:10

BFS

IAD

47h 55m

3 stops

£564Multiple Airlines

Tue, 5 May - Tue, 12 May

20:30 - 19:40

IAD

BFS

18h 10m

2 stops

20:15 - 15:10

BFS

IAD

47h 55m

3 stops

£569Multiple Airlines

Tue, 5 May - Tue, 12 May

20:30 - 23:25

IAD

BFS

21h 55m

2 stops

22:10 - 15:10

BFS

IAD

46h 00m

3 stops

£589Multiple Airlines

Sat, 25 Apr - Sun, 3 May

06:59 - 08:55

JFK

BFS

20h 56m

2 stops

21:55 - 22:25

BFS

JFK

29h 30m

3 stops

£599Multiple Airlines

Sat, 13 Jun - Mon, 22 Jun

20:50 - 19:30

BOS

BFS

17h 40m

2 stops

20:15 - 07:10

BFS

BOS

39h 55m

3 stops

£603Multiple Airlines

Tue, 5 May - Tue, 12 May

20:50 - 21:20

BOS

BFS

19h 30m

3 stops

19:20 - 07:10

BFS

BOS

40h 50m

3 stops

£612Multiple Airlines

Tue, 5 May - Tue, 12 May

10:25 - 19:25

EWR

BFS

28h 00m

2 stops

06:15 - 19:52

BFS

EWR

18h 37m

2 stops

£613Multiple Airlines

Wed, 6 May - Wed, 13 May

20:50 - 23:20

BOS

BFS

21h 30m

3 stops

20:15 - 07:10

BFS

BOS

39h 55m

3 stops

£619Multiple Airlines

Fri, 1 May - Tue, 5 May

10:35 - 19:30

EWR

BFS

27h 55m

3 stops

21:10 - 21:00

BFS

EWR

28h 50m

2 stops

£620Multiple Airlines

Thu, 21 May - Thu, 28 May

momondo Fare Finder

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

Cheapest return flight

NewarkBelfast

EWR - BFS

EWRBFS

Newark

Wed 6/5

20:25-15:55

2 stops14h 30m

Belfast Intl

Wed 13/5

12:35-21:00

3 stops37h 25m

£564

Washington, D.C.Belfast

IAD - BFS

IADBFS

Washington, D.C. Dulles Intl

Tue 5/5

20:30-19:50

3 stops18h 20m

Belfast Intl

Tue 12/5

20:15-15:10

3 stops47h 55m

£564

Washington, D.C.Belfast

IAD - BFS

IADBFS

Washington, D.C. Dulles Intl

Tue 5/5

20:30-19:40

2 stops18h 10m

Belfast Intl

Tue 12/5

20:15-15:10

3 stops47h 55m

£569

Washington, D.C.Belfast

IAD - BFS

IADBFS

Washington, D.C. Dulles Intl

Sat 25/4

20:30-23:25

2 stops21h 55m

Belfast Intl

Sun 3/5

22:10-15:10

3 stops46h 00m

£589

New YorkBelfast

JFK - BFS

JFKBFS

New York John F Kennedy Intl

Sat 13/6

06:59-08:55

2 stops20h 56m

Belfast Intl

Mon 22/6

21:55-22:25

3 stops29h 30m

£599

BostonBelfast

BOS - BFS

BOSBFS

Boston Logan Intl

Tue 5/5

20:50-19:30

2 stops17h 40m

Belfast Intl

Tue 12/5

20:15-07:10

3 stops39h 55m

£603

BostonBelfast

BOS - BFS

BOSBFS

Boston Logan Intl

Tue 5/5

20:50-21:20

3 stops19h 30m

Belfast Intl

Tue 12/5

19:20-07:10

3 stops40h 50m

£612

Fastest return journey

NewarkBelfast

EWR - BFS

EWRBFS

Newark

Wed 6/5

10:25-19:25

2 stops28h 00m

Belfast Intl

Wed 13/5

06:15-19:52

2 stops18h 37m

£613

BostonBelfast

BOS - BFS

BOSBFS

Boston Logan Intl

Fri 1/5

20:50-23:20

3 stops21h 30m

Belfast Intl

Tue 5/5

20:15-07:10

3 stops39h 55m

£619

NewarkBelfast

EWR - BFS

EWRBFS

Newark

Thu 21/5

10:35-19:30

3 stops27h 55m

Belfast Intl

Thu 28/5

21:10-21:00

2 stops28h 50m

£620

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

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

How long does it take to fly to Belfast Intl Airport?

If you’re flying from a popular airport in United States, such as New York or Boston, and flying into Belfast Intl Airport, then you can expect flight times to average 9h 55m and 10h 05m, respectively.

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

Fastest flight time	9h 55m
Direct flights	None

The fastest flight from United States to Belfast Intl Airport takes 9h 55m

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

Search flight deals

Frequently asked questions about flying from the United States to Belfast Intl Airport

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 are updated daily.
How old do you have to be to fly from United States to Belfast Intl Airport?
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 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.

Ballymena

Newry

Armagh

Cookstown

Portadown

Dungannon

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 provides multiple filters to help you find the best flight to Belfast from United States. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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

Yes momondo offers price alerts on flights to Belfast from United States. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.