Which airlines fly to Belfast?

Based on our data, the most popular airlines that fly to Belfast from United States are British Airways, Delta and American Airlines. 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 16h 35m on average. On the other hand, flying from San Francisco to Belfast Intl takes 17h 10m 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.

$207 Cheap Flights to Belfast in 2026

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Find the cheapest flights from the United States to Belfast

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

7:05 pm - 12:20 pmBOS Boston Logan Intl-BFS Belfast Intl

12h 15m1 stop London Heathrow

8:50 am - 9:05 pmBFS Belfast Intl-BOS Boston Logan Intl

41h 15m2 stops London Stansted Barcelona-El Prat

$638Multiple Airlines

Sun, Oct 4 - Tue, Oct 20

6:20 pm - 7:45 amJFK New York John F Kennedy Intl-BFS Belfast Intl

32h 25m1 stop London Gatwick

6:05 am - 3:55 pmBFS Belfast Intl-JFK New York John F Kennedy Intl

14h 50m1 stop London Gatwick

$654Multiple Airlines

Sat, Oct 10 - Fri, Oct 16

6:20 pm - 7:45 amJFK New York John F Kennedy Intl-BFS Belfast Intl

32h 25m1 stop London Gatwick

6:20 am - 3:55 pmBFS Belfast Intl-JFK New York John F Kennedy Intl

14h 35m1 stop London Gatwick

$670Multiple Airlines

Sat, Oct 10 - Sat, Oct 17

6:20 pm - 7:30 amJFK New York John F Kennedy Intl-BFS Belfast Intl

32h 10m1 stop London Gatwick

7:00 am - 12:20 pmBFS Belfast Intl-JFK New York John F Kennedy Intl

34h 20m2 stops London Luton Bucharest Otopeni Intl

$702Multiple Airlines

Sun, Oct 11 - Sun, Oct 18

8:30 pm - 4:15 pmMCO Orlando-BFS Belfast Intl

14h 45m1 stop London Gatwick

4:40 pm - 6:25 pmBFS Belfast Intl-MCO Orlando

30h 45m1 stop London Stansted

$703Multiple Airlines

Mon, Sep 28 - Tue, Oct 13

6:20 pm - 7:30 amJFK New York John F Kennedy Intl-BFS Belfast Intl

32h 10m1 stop London Gatwick

7:00 am - 12:20 pmBFS Belfast Intl-JFK New York John F Kennedy Intl

34h 20m2 stops London Luton Bucharest Otopeni Intl

$703Multiple Airlines

Sun, Oct 11 - Sun, Oct 18

6:20 pm - 7:30 amJFK New York John F Kennedy Intl-BFS Belfast Intl

32h 10m1 stop London Gatwick

7:00 am - 12:20 pmBFS Belfast Intl-JFK New York John F Kennedy Intl

34h 20m2 stops London Luton Bucharest Otopeni Intl

$708Multiple Airlines

Sun, Oct 11 - Sun, Oct 18

6:20 pm - 2:15 pmJFK New York John F Kennedy Intl-BFS Belfast Intl

14h 55m1 stop London Gatwick

7:00 am - 1:25 pmBFS Belfast Intl-JFK New York John F Kennedy Intl

34h 25m2 stops London Stansted Bucharest Otopeni Intl

$714Multiple Airlines

Fri, Oct 16 - Sun, Oct 25

5:01 pm - 1:15 pmDEN Denver Intl-BHD Belfast City

13h 14m1 stop London Heathrow

5:35 pm - 3:10 pmBHD Belfast City-DEN Denver Intl

28h 35m1 stop London Heathrow

$933British Airways

Wed, Feb 17 - Mon, Mar 1

12:17 pm - 10:05 amDEN Denver Intl-BHD Belfast City

14h 48m2 stops Chicago O'Hare Intl London Heathrow

5:35 pm - 3:10 pmBHD Belfast City-DEN Denver Intl

28h 35m1 stop London Heathrow

$938British Airways

Wed, Feb 17 - Mon, Mar 1

Cheap last minute flights

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4:30 pm - 11:15 amEWR Newark-BFS Belfast Intl

13h 45m2 stops Toronto Pearson Intl Edinburgh Turnhouse

5:55 am - 3:53 pmBFS Belfast Intl-EWR Newark

14h 58m2 stops Edinburgh Turnhouse Toronto Pearson Intl

$986Multiple Airlines

Mon, Aug 31 - Tue, Sep 8

6:20 pm - 12:15 pmJFK New York John F Kennedy Intl-BFS Belfast Intl

12h 55m1 stop London Gatwick

8:15 pm - 4:55 pmBFS Belfast Intl-JFK New York John F Kennedy Intl

25h 40m2 stops London Stansted Shannon

$1,021Multiple Airlines

Mon, Aug 31 - Tue, Sep 8

6:20 pm - 7:20 pmJFK New York John F Kennedy Intl-BFS Belfast Intl

20h 00m1 stop London Gatwick

8:55 pm - 3:55 pmBFS Belfast Intl-JFK New York John F Kennedy Intl

24h 00m1 stop London Gatwick

$1,037Multiple Airlines

Thu, Sep 3 - Mon, Sep 14

6:20 pm - 7:20 pmJFK New York John F Kennedy Intl-BFS Belfast Intl

20h 00m1 stop London Gatwick

8:55 pm - 3:55 pmBFS Belfast Intl-JFK New York John F Kennedy Intl

24h 00m1 stop London Gatwick

$1,037Multiple Airlines

Thu, Sep 3 - Mon, Sep 14

7:40 pm - 7:40 pmBOS Boston Logan Intl-BHD Belfast City

19h 00m1 stop London Heathrow

8:25 pm - 4:10 pmBHD Belfast City-BOS Boston Logan Intl

24h 45m2 stops London Heathrow Madrid Barajas

$1,056British Airways

Tue, Sep 1 - Tue, Sep 8

11:53 am - 10:45 amBOS Boston Logan Intl-BHD Belfast City

17h 52m2 stops New York John F Kennedy Intl London Heathrow

1:45 pm - 8:05 pmBHD Belfast City-BOS Boston Logan Intl

11h 20m1 stop London Heathrow

$1,058British Airways

Tue, Sep 1 - Tue, Sep 8

7:40 pm - 10:45 amBOS Boston Logan Intl-BHD Belfast City

10h 05m1 stop London Heathrow

9:40 am - 5:00 pmBHD Belfast City-BOS Boston Logan Intl

12h 20m1 stop London Heathrow

$1,060British Airways

Tue, Sep 1 - Tue, Sep 8

11:53 am - 10:45 amBOS Boston Logan Intl-BHD Belfast City

17h 52m2 stops New York John F Kennedy Intl London Heathrow

8:25 pm - 4:10 pmBHD Belfast City-BOS Boston Logan Intl

24h 45m2 stops London Heathrow Madrid Barajas

$1,070British Airways

Tue, Sep 1 - Tue, Sep 8

11:53 am - 10:45 amBOS Boston Logan Intl-BHD Belfast City

17h 52m2 stops New York John F Kennedy Intl London Heathrow

8:25 pm - 7:30 pmBHD Belfast City-BOS Boston Logan Intl

28h 05m2 stops London Heathrow Madrid Barajas

$1,071British Airways

Tue, Sep 1 - Tue, Sep 8

11:00 pm - 9:30 pmBOS Boston Logan Intl-BFS Belfast Intl

17h 30m2 stops Reykjavik Keflavik Intl Edinburgh Turnhouse

8:15 pm - 8:20 pmBFS Belfast Intl-BOS Boston Logan Intl

29h 05m3 stops London Stansted Barcelona-El Prat Lisbon Humberto Delgado

$1,072Multiple Airlines

Sat, Sep 5 - Tue, Sep 15

Fly from

Route

Depart

Return

Price

Cheapest round-trip

BostonBelfast

BOS Boston Logan Intl - BFS Belfast Intl

BOSBFS

Boston Logan Intl

Sun 10/4

7:05 pm-12:20 pm

1 stop12h 15m

Belfast Intl

Tue 10/20

8:50 am-9:05 pm

2 stops41h 15m

$638

New YorkBelfast

JFK New York John F Kennedy Intl - BFS Belfast Intl

JFKBFS

New York John F Kennedy Intl

Sat 10/10

6:20 pm-7:45 am

1 stop32h 25m

Belfast Intl

Fri 10/16

6:05 am-3:55 pm

1 stop14h 50m

$654

New YorkBelfast

JFK New York John F Kennedy Intl - BFS Belfast Intl

JFKBFS

New York John F Kennedy Intl

Sat 10/10

6:20 pm-7:45 am

1 stop32h 25m

Belfast Intl

Sat 10/17

6:20 am-3:55 pm

1 stop14h 35m

$670

New YorkBelfast

JFK New York John F Kennedy Intl - BFS Belfast Intl

JFKBFS

New York John F Kennedy Intl

Sun 10/11

6:20 pm-7:30 am

1 stop32h 10m

Belfast Intl

Sun 10/18

7:00 am-12:20 pm

2 stops34h 20m

$702

OrlandoBelfast

MCO Orlando - BFS Belfast Intl

MCOBFS

Orlando

Mon 9/28

8:30 pm-4:15 pm

1 stop14h 45m

Belfast Intl

Tue 10/13

4:40 pm-6:25 pm

1 stop30h 45m

$703

New YorkBelfast

JFK New York John F Kennedy Intl - BFS Belfast Intl

JFKBFS

New York John F Kennedy Intl

Sun 10/11

6:20 pm-7:30 am

1 stop32h 10m

Belfast Intl

Sun 10/18

7:00 am-12:20 pm

2 stops34h 20m

$703

New YorkBelfast

JFK New York John F Kennedy Intl - BFS Belfast Intl

JFKBFS

New York John F Kennedy Intl

Sun 10/11

6:20 pm-7:30 am

1 stop32h 10m

Belfast Intl

Sun 10/18

7:00 am-12:20 pm

2 stops34h 20m

$708

New YorkBelfast

JFK New York John F Kennedy Intl - BFS Belfast Intl

JFKBFS

New York John F Kennedy Intl

Fri 10/16

6:20 pm-2:15 pm

1 stop14h 55m

Belfast Intl

Sun 10/25

7:00 am-1:25 pm

2 stops34h 25m

$714

Quickest round-trip

DenverBelfast

DEN Denver Intl - BHD Belfast City

DENBHD

Denver Intl

Wed 2/17

5:01 pm-1:15 pm

1 stop13h 14m

Belfast City

Mon 3/1

5:35 pm-3:10 pm

1 stop28h 35m

$933

DenverBelfast

DEN Denver Intl - BHD Belfast City

DENBHD

Denver Intl

Wed 2/17

12:17 pm-10:05 am

2 stops14h 48m

Belfast City

Mon 3/1

5:35 pm-3:10 pm

1 stop28h 35m

$938

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 month to fly to Belfast?

In general, April 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 $523. If you don’t want to visit Belfast in April, then you should wait until January to fly from United States, when ticket prices are also cheap, with an average price of $547.

Cheapest flights to Belfast

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

Find flights from Los Angeles to Dublin

Cheap Belfast flight deals and tips

Summary info about Belfast flight prices, duration and airlines

Best One-Way Price	$207
Best Round-Trip Price	$638
Fastest flight time	13h 14m

The best one-way flight price to Belfast from United States in the last 5 days is $207 (Orlando to Belfast Intl).

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The best round-trip flight price to Belfast from United States in the last 5 days is $638 (Boston Logan Intl to Belfast Intl).

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The fastest flight to Belfast from United States takes 13h 14m (Denver Intl to Belfast City).

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Frequently asked questions about flying to Belfast

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?

Glasgow Prestwick Airport has an average price of $49 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?

$24 is the cheapest deal found on momondo in the last two weeks for a flight to Belfast. This flight is from Manchester and is 84% 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 12.1 mi away, Belfast Intl 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 August 2026, there are 8 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.