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Flights to Belfast

$319 Cheap flights to Belfast

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight to Belfast departing on 4/26. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Find the cheapest flights from the United States to Belfast

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
6:59 am - 8:55 am
JFK
-
BFS
20h 56m
2 stops
Multiple Airlines Logo
9:55 pm - 10:25 pm
BFS
-
JFK
29h 30m
3 stops
$804Multiple Airlines
Sat, Jun 13 - Mon, Jun 22
Multiple Airlines Logo
8:50 pm - 7:30 pm
BOS
-
BFS
17h 40m
2 stops
Multiple Airlines Logo
8:15 pm - 7:10 am
BFS
-
BOS
39h 55m
3 stops
$809Multiple Airlines
Tue, May 5 - Tue, May 12
Multiple Airlines Logo
8:50 pm - 9:20 pm
BOS
-
BFS
19h 30m
3 stops
Multiple Airlines Logo
7:20 pm - 7:10 am
BFS
-
BOS
40h 50m
3 stops
$821Multiple Airlines
Tue, May 5 - Tue, May 12
Multiple Airlines Logo
8:50 pm - 11:20 pm
BOS
-
BFS
21h 30m
3 stops
Multiple Airlines Logo
8:15 pm - 7:10 am
BFS
-
BOS
39h 55m
3 stops
$831Multiple Airlines
Fri, May 1 - Tue, May 5
American Airlines Logo
6:20 pm - 1:35 pm
JFK
-
BHD
14h 15m
1 stop
American Airlines Logo
10:05 am - 5:00 pm
BHD
-
JFK
11h 55m
1 stop
$912American Airlines
Wed, Apr 29 - Wed, May 6
American Airlines Logo
6:20 pm - 1:35 pm
JFK
-
BHD
14h 15m
1 stop
American Airlines Logo
10:05 am - 9:05 pm
BHD
-
JFK
16h 00m
1 stop
$913American Airlines
Wed, Apr 29 - Wed, May 6
British Airways Logo
7:10 pm - 10:30 am
JFK
-
BHD
10h 20m
1 stop
British Airways Logo
9:40 am - 4:15 pm
BHD
-
JFK
11h 35m
1 stop
$914British Airways
Sun, Sep 13 - Tue, Sep 22
British Airways Logo
9:25 pm - 3:30 pm
EWR
-
BHD
13h 05m
1 stop
British Airways Logo
7:40 pm - 7:25 pm
BHD
-
EWR
28h 45m
1 stop
$914British Airways
Mon, Sep 14 - Wed, Sep 23
Delta Logo
10:30 am - 9:20 am
JFK
-
BHD
17h 50m
2 stops
Delta Logo
5:30 pm - 12:32 pm
BHD
-
JFK
24h 02m
1 stop
$935Delta
Sun, Sep 13 - Tue, Sep 22
Delta Logo
10:24 am - 9:20 am
JFK
-
BHD
17h 56m
2 stops
Delta Logo
9:50 am - 7:15 pm
BHD
-
JFK
14h 25m
1 stop
$936Delta
Wed, Apr 29 - Wed, May 6

momondo Fare Finder

 
Locate flights to Belfast that fit your budget, with regularly updated fares and availability. In the last 7 days, momondo users made a total of 832,500 searches and data was last updated on April 9, 2026.
Use the filters below to find and compare flights to Belfast that are best for you.

Fly from

Route

Depart

Return

Price

Cheapest round-trip

New YorkBelfast

JFK - BFS

JFKBFS

New York John F Kennedy Intl

Sat 6/13

6:59 am-8:55 am

2 stops20h 56m

Belfast Intl

Mon 6/22

9:55 pm-10:25 pm

3 stops29h 30m

$804

BostonBelfast

BOS - BFS

BOSBFS

Boston Logan Intl

Tue 5/5

8:50 pm-7:30 pm

2 stops17h 40m

Belfast Intl

Tue 5/12

8:15 pm-7:10 am

3 stops39h 55m

$809

BostonBelfast

BOS - BFS

BOSBFS

Boston Logan Intl

Tue 5/5

8:50 pm-9:20 pm

3 stops19h 30m

Belfast Intl

Tue 5/12

7:20 pm-7:10 am

3 stops40h 50m

$821

BostonBelfast

BOS - BFS

BOSBFS

Boston Logan Intl

Fri 5/1

8:50 pm-11:20 pm

3 stops21h 30m

Belfast Intl

Tue 5/5

8:15 pm-7:10 am

3 stops39h 55m

$831

New YorkBelfast

JFK - BHD

JFKBHD

New York John F Kennedy Intl

Wed 4/29

6:20 pm-1:35 pm

1 stop14h 15m

Belfast City

Wed 5/6

10:05 am-5:00 pm

1 stop11h 55m

$912

New YorkBelfast

JFK - BHD

JFKBHD

New York John F Kennedy Intl

Wed 4/29

6:20 pm-1:35 pm

1 stop14h 15m

Belfast City

Wed 5/6

10:05 am-9:05 pm

1 stop16h 00m

$913
Quickest round-trip

New YorkBelfast

JFK - BHD

JFKBHD

New York John F Kennedy Intl

Sun 9/13

7:10 pm-10:30 am

1 stop10h 20m

Belfast City

Tue 9/22

9:40 am-4:15 pm

1 stop11h 35m

$914

NewarkBelfast

EWR - BHD

EWRBHD

Newark

Mon 9/14

9:25 pm-3:30 pm

1 stop13h 05m

Belfast City

Wed 9/23

7:40 pm-7:25 pm

1 stop28h 45m

$914

New YorkBelfast

JFK - BHD

JFKBHD

New York John F Kennedy Intl

Sun 9/13

10:30 am-9:20 am

2 stops17h 50m

Belfast City

Tue 9/22

5:30 pm-12:32 pm

1 stop24h 02m

$935

New YorkBelfast

JFK - BHD

JFKBHD

New York John F Kennedy Intl

Wed 4/29

10:24 am-9:20 am

2 stops17h 56m

Belfast City

Wed 5/6

9:50 am-7:15 pm

1 stop14h 25m

$936

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

Belfast flights insights and trends

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

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 13h 15m on average. On the other hand, flying from San Francisco to Belfast Intl takes 14h 05m 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.

Cheapest flights to Belfast

Find the cheapest flights to Belfast from your nearest city or airport
Find flights from Los Angeles to Belfast City Airport
CHEAPEST MONTH TO FLY TO BELFAST FROM LOS ANGELESOctober27% cheaperFlying from Los Angeles to Belfast costs on average just $633 in October
MOST EXPENSIVE MONTH TO FLY TO BELFAST FROM LOS ANGELESJune62% more expensiveIt costs about $1,411 for flights to Belfast from Los Angeles in June
MOST POPULAR MONTH TO FLY TO BELFAST FROM LOS ANGELESJuly1,000% more users visitedMore momondo users searched in flights to Belfast from Los Angeles in July than any other month

Cheap Belfast flight deals and tips

Summary info about Belfast flight prices, duration and airlines

Best One-Way Price

$319

Best Round-Trip Price

$804

Fastest flight time

11h 50m

Popular in

December
The best one-way flight price to Belfast from United States in the last 72 hours is $319 (Chicago O'Hare Intl to Belfast Intl).
Search Deals
The best round-trip flight price to Belfast from United States in the last 72 hours is $804 (New York John F Kennedy Intl to Belfast Intl).
Search Deals
The fastest flight to Belfast from United States takes 11h 50m (New York John F Kennedy Intl to Belfast City).
Search Deals
December has the highest demand for flights to Belfast, with a 0% price increase on average.
Search Deals

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 April to fly from United States, when ticket prices are also cheap, with an average price of $523.

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 $142 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?

$37 is the cheapest deal found on momondo in the last two weeks for a flight to Belfast. This flight is from Edinburgh and is 82% 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 SSE Arena?

At 2.0 mi away, Belfast City airport in Belfast is the closest to SSE Arena.

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 April 2026, 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.

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