Which airlines fly to Belfast?

Based on our data, the most popular airlines that fly to Belfast from United States are British Airways, American Airlines, Delta and Aer Lingus. There may also be other airline options depending on where in United States you’re flying from.

How long does it take to fly to Belfast?

Flight times vary depending on what airport in United States you fly out of and what airport in Belfast you fly into. For example, flying from Los Angeles to Belfast Intl takes 14h 35m on average. On the other hand, flying from Miami to Belfast Intl takes 20h 15m on average. Keep in mind that it’s always quicker to opt for a non-stop flight, so be sure to check momondo if there are any available for your route.

$235 Cheap Flights to Belfast in 2025/26

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Find the cheapest flights from the United States to Belfast

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One-way

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Cheap round-trip flights

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6:05 pm - 10:05 amJFK-BFS

11h 00m1 stop

8:55 pm - 3:55 pmBFS-JFK

24h 00m1 stop

$523Multiple Airlines

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Wed, Nov 5 - Mon, Nov 10

8:50 pm - 4:50 pmBOS-BHD

15h 00m1 stop

5:20 pm - 6:55 pmBHD-BOS

30h 35m1 stop

$538Virgin Atlantic

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Sun, Nov 9 - Tue, Nov 25

9:35 pm - 4:05 pmBOS-BHD

13h 30m1 stop

5:45 pm - 2:20 pmBHD-BOS

25h 35m1 stop

$551British Airways

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Mon, Feb 9 - Mon, Feb 16

6:40 pm - 4:50 pmBOS-BHD

17h 10m2 stops

5:20 pm - 1:25 pmBHD-BOS

25h 05m1 stop

$573Delta

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Mon, Feb 9 - Mon, Feb 16

1:10 pm - 4:50 pmBOS-BHD

22h 40m2 stops

5:20 pm - 7:46 pmBHD-BOS

31h 26m2 stops

$584Delta

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Mon, Feb 9 - Mon, Feb 16

3:47 pm - 10:20 amBOS-BHD

13h 33m2 stops

10:00 am - 8:22 pmBHD-BOS

15h 22m2 stops

$589British Airways

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Sun, Nov 9 - Tue, Nov 25

7:15 pm - 10:20 amBOS-BHD

10h 05m1 stop

6:35 am - 3:55 pmBHD-BOS

14h 20m1 stop

$590American Airlines

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Sun, Dec 14 - Thu, Jan 8

3:47 pm - 10:30 amBOS-BHD

13h 43m2 stops

6:45 am - 4:10 pmBHD-BOS

14h 25m1 stop

$594American Airlines

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Fri, Nov 14 - Fri, Nov 21

9:00 pm - 5:25 pmIAD-BHD

15h 25m2 stops

6:00 pm - 3:35 pmBHD-IAD

26h 35m2 stops

$978Aer Lingus

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Wed, Nov 26 - Sun, Nov 30

7:05 pm - 1:50 pmJFK-BHD

13h 45m1 stop

7:00 am - 7:25 pmBHD-JFK

17h 25m2 stops

$1,008Aer Lingus

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Sun, Nov 9 - Fri, Nov 14

Fly from

Route

Depart

Return

Price

New YorkBelfast

JFK - BFS

JFKBFS

New York John F Kennedy Intl

Wed 11/5

6:05 pm-10:05 am

1 stop11h 00m

Belfast Intl

Mon 11/10

8:55 pm-3:55 pm

1 stop24h 00m

$523

BostonBelfast

BOS - BHD

BOSBHD

Boston Logan Intl

Sun 11/9

8:50 pm-4:50 pm

1 stop15h 00m

Belfast City

Tue 11/25

5:20 pm-6:55 pm

1 stop30h 35m

$538

BostonBelfast

BOS - BHD

BOSBHD

Boston Logan Intl

Mon 2/9

9:35 pm-4:05 pm

1 stop13h 30m

Belfast City

Mon 2/16

5:45 pm-2:20 pm

1 stop25h 35m

$551

BostonBelfast

BOS - BHD

BOSBHD

Boston Logan Intl

Mon 2/9

6:40 pm-4:50 pm

2 stops17h 10m

Belfast City

Mon 2/16

5:20 pm-1:25 pm

1 stop25h 05m

$573

BostonBelfast

BOS - BHD

BOSBHD

Boston Logan Intl

Mon 2/9

1:10 pm-4:50 pm

2 stops22h 40m

Belfast City

Mon 2/16

5:20 pm-7:46 pm

2 stops31h 26m

$584

BostonBelfast

BOS - BHD

BOSBHD

Boston Logan Intl

Sun 11/9

3:47 pm-10:20 am

2 stops13h 33m

Belfast City

Tue 11/25

10:00 am-8:22 pm

2 stops15h 22m

$589

BostonBelfast

BOS - BHD

BOSBHD

Boston Logan Intl

Sun 12/14

7:15 pm-10:20 am

1 stop10h 05m

Belfast City

Thu 1/8

6:35 am-3:55 pm

1 stop14h 20m

$590

BostonBelfast

BOS - BHD

BOSBHD

Boston Logan Intl

Fri 11/14

3:47 pm-10:30 am

2 stops13h 43m

Belfast City

Fri 11/21

6:45 am-4:10 pm

1 stop14h 25m

$594

Washington, D.C.Belfast

IAD - BHD

IADBHD

Washington, D.C. Dulles Intl

Wed 11/26

9:00 pm-5:25 pm

2 stops15h 25m

Belfast City

Sun 11/30

6:00 pm-3:35 pm

2 stops26h 35m

$978

New YorkBelfast

JFK - BHD

JFKBHD

New York John F Kennedy Intl

Sun 11/9

7:05 pm-1:50 pm

1 stop13h 45m

Belfast City

Fri 11/14

7:00 am-7:25 pm

2 stops17h 25m

$1,008

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

Belfast flights insights and trends

Explore insights for your Belfast flight to craft the best travel plan

Prices

Other information

What is the cheapest day to depart on your flight to Belfast?

The cheapest day to depart from United States to Belfast is on a Monday when prices can be found for as low as $654. 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 for around $845.

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

Our data shows that the cheapest United States to Belfast flights are usually those with departure times in the afternoon. Our users have found flights to Belfast in the afternoon for as low as $666. Try not to purchase tickets in the evening because they tend to be around $723. Of course, these prices can vary depending on the time of year and what airport you fly to.

Cheapest flights to Belfast

Find the cheapest flights to Belfast from your nearest city or airport

Find flights from Los Angeles to Dublin

CHEAPEST MONTH TO FLY TO BELFAST FROM LOS ANGELES	October	29% cheaper	Flying from Los Angeles to Belfast costs on average just $633 in October
MOST EXPENSIVE MONTH TO FLY TO BELFAST FROM LOS ANGELES	June	51% more expensive	It costs about $1,336 for flights to Belfast from Los Angeles in June
MOST POPULAR MONTH TO FLY TO BELFAST FROM LOS ANGELES	August	425% more users visited	More momondo users searched in flights to Belfast from Los Angeles in August than any other month

Cheap Belfast flight deals and tips

Summary info about Belfast flight prices, duration and airlines

Best One-Way Price	$235
Best Round-Trip Price	$523
Fastest flight time	10h 05m
Popular in	July

The best one-way flight price to Belfast from United States in the last 72 hours is $235 (New York John F Kennedy Intl to Belfast City).

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The best round-trip flight price to Belfast from United States in the last 72 hours is $523 (New York John F Kennedy Intl to Belfast Intl).

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The fastest flight to Belfast from United States takes 10h 05m (Boston Logan Intl to Belfast City).

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July has the highest demand for flights to Belfast, with a 2% price increase on average.

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Frequently asked questions about flying to Belfast

What is the cheapest month to fly to Belfast?

In general, November is the cheapest month to fly from United States to Belfast. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $460. If you don’t want to visit Belfast in November, then you should wait until September to fly from United States, when ticket prices are also cheap, with an average price of $556.

Is there an alternative airport near Belfast?

Those flying to Belfast could potentially find better pricing at Belfast City Airport (3 mi from Belfast city center), Londonderry Eglinton Airport (58 mi from Belfast city center), Campbeltown Machrihanish Airport (59 mi from Belfast city center), Isle of Islay Glenegedale Airport (76 mi from Belfast city center) or Glasgow Prestwick Airport (82 mi from Belfast city center) depending on the month and departure airport.

Is there a cheaper alternative to flying into Belfast?

Belfast City Airport has an average price of $176 per person and is typically the cheapest airport to fly into when visiting Belfast. This average price does vary based on departure city. Try momondo’s Airport-to-Airport Pricing Tool to find the cheapest flight.

What is the absolute cheapest flight to Belfast?

$32 is the cheapest deal found on momondo in the last two weeks for a flight to Belfast. This flight is from Edinburgh and is 90% cheaper than most flights to Belfast. To find the cheapest price to Belfast from your area, use momondo’s Airport-to-Airport Pricing Tool.

What’s the closest airport to Cathedral Quarter?

At 2.5 mi away, Belfast City airport in Belfast is the closest to Cathedral Quarter.

When did momondo last update prices for flights to Belfast?

Prices for flights to Belfast were last updated today.

How many operators does momondo search for flights to Belfast?

As of October 2025, there are 9 operators available to choose from for flights to Belfast.

How old do you have to be to fly to Belfast?

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 to Belfast.

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

The travel and health documents you'll need for your trip to Belfast may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Belfast. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Why use momondo?

Why should I use momondo to find a flight deal 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.

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

momondo does allow users to show only those flights to Belfast which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights to Belfast?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as filter your options to help you make an informed choice when booking flights to Belfast.

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

Price alerts on flights to Belfast 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.