Flights to Belfast

$239 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 4/16. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.

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
6:20 pm - 8:30 pm
JFK
-
BHD
21h 10m
1 stop
Multiple Airlines Logo
7:00 am - 3:55 pm
BHD
-
JFK
13h 55m
1 stop
$617Multiple Airlines
Fri, May 1 - Sat, May 9
Multiple Airlines Logo
11:00 pm - 8:25 pm
BOS
-
BFS
16h 25m
2 stops
Multiple Airlines Logo
7:00 am - 9:45 pm
BFS
-
BOS
43h 45m
2 stops
$617Multiple Airlines
Mon, Apr 13 - Wed, Apr 29
British Airways Logo
7:35 pm - 10:45 am
JFK
-
BHD
10h 10m
1 stop
British Airways Logo
9:35 am - 3:20 pm
BHD
-
JFK
10h 45m
1 stop
$700British Airways
Tue, Sep 1 - Thu, Sep 10
British Airways Logo
9:25 pm - 3:20 pm
EWR
-
BHD
12h 55m
1 stop
British Airways Logo
12:45 pm - 7:25 pm
BHD
-
EWR
11h 40m
1 stop
$704British Airways
Tue, Sep 1 - Thu, Sep 10
American Airlines Logo
7:20 pm - 1:35 pm
JFK
-
BHD
13h 15m
1 stop
American Airlines Logo
11:35 am - 9:05 pm
BHD
-
JFK
14h 30m
1 stop
$707American Airlines
Wed, Apr 29 - Wed, May 6
KLM Logo
2:00 pm - 9:20 am
JFK
-
BHD
14h 20m
2 stops
KLM Logo
5:30 pm - 7:05 pm
BHD
-
JFK
30h 35m
1 stop
$730KLM
Wed, Sep 2 - Thu, Sep 10
Delta Logo
1:00 pm - 9:20 am
LGA
-
BHD
15h 20m
2 stops
Delta Logo
9:50 am - 8:32 pm
BHD
-
LGA
15h 42m
2 stops
$740Delta
Wed, Sep 2 - Wed, Sep 9
Delta Logo
11:00 am - 9:20 am
LGA
-
BHD
17h 20m
2 stops
Delta Logo
9:50 am - 9:27 pm
BHD
-
LGA
16h 37m
2 stops
$789Delta
Tue, Sep 1 - Thu, Sep 10
KLM Logo
2:00 pm - 9:20 am
LGA
-
BHD
14h 20m
2 stops
KLM Logo
9:50 am - 8:29 pm
BHD
-
LGA
15h 39m
2 stops
$839KLM
Mon, Apr 6 - Mon, Apr 13
American Airlines Logo
3:17 pm - 3:20 pm
SEA
-
BHD
16h 03m
2 stops
American Airlines Logo
10:05 am - 6:25 pm
BHD
-
SEA
16h 20m
1 stop
$870American Airlines
Tue, Apr 14 - Wed, Apr 22

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 March 17, 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 - BHD

JFKBHD

New York John F Kennedy Intl

Fri 5/1

6:20 pm-8:30 pm

1 stop21h 10m

Belfast City

Sat 5/9

7:00 am-3:55 pm

1 stop13h 55m

$617

BostonBelfast

BOS - BFS

BOSBFS

Boston Logan Intl

Mon 4/13

11:00 pm-8:25 pm

2 stops16h 25m

Belfast Intl

Wed 4/29

7:00 am-9:45 pm

2 stops43h 45m

$617
Quickest round-trip

New YorkBelfast

JFK - BHD

JFKBHD

New York John F Kennedy Intl

Tue 9/1

7:35 pm-10:45 am

1 stop10h 10m

Belfast City

Thu 9/10

9:35 am-3:20 pm

1 stop10h 45m

$700

NewarkBelfast

EWR - BHD

EWRBHD

Newark

Tue 9/1

9:25 pm-3:20 pm

1 stop12h 55m

Belfast City

Thu 9/10

12:45 pm-7:25 pm

1 stop11h 40m

$704

New YorkBelfast

JFK - BHD

JFKBHD

New York John F Kennedy Intl

Wed 4/29

7:20 pm-1:35 pm

1 stop13h 15m

Belfast City

Wed 5/6

11:35 am-9:05 pm

1 stop14h 30m

$707

New YorkBelfast

JFK - BHD

JFKBHD

New York John F Kennedy Intl

Wed 9/2

2:00 pm-9:20 am

2 stops14h 20m

Belfast City

Thu 9/10

5:30 pm-7:05 pm

1 stop30h 35m

$730

New YorkBelfast

LGA - BHD

LGABHD

New York LaGuardia

Wed 9/2

1:00 pm-9:20 am

2 stops15h 20m

Belfast City

Wed 9/9

9:50 am-8:32 pm

2 stops15h 42m

$740

New YorkBelfast

LGA - BHD

LGABHD

New York LaGuardia

Tue 9/1

11:00 am-9:20 am

2 stops17h 20m

Belfast City

Thu 9/10

9:50 am-9:27 pm

2 stops16h 37m

$789

New YorkBelfast

LGA - BHD

LGABHD

New York LaGuardia

Mon 4/6

2:00 pm-9:20 am

2 stops14h 20m

Belfast City

Mon 4/13

9:50 am-8:29 pm

2 stops15h 39m

$839

SeattleBelfast

SEA - BHD

SEABHD

Seattle/Tacoma Intl

Tue 4/14

3:17 pm-3:20 pm

2 stops16h 03m

Belfast City

Wed 4/22

10:05 am-6:25 pm

1 stop16h 20m

$870

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

See travel insights to Belfast from

Belfast flights insights and trends

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

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 February to fly from United States, when ticket prices are also cheap, with an average price of $610.

Cheapest flights to Belfast

Find the cheapest flights to Belfast from your nearest city or airport
CHEAPEST MONTH TO FLY TO BELFAST FROM LOS ANGELESAugust30% cheaperFlying from Los Angeles to Belfast costs on average just $651 in August
MOST EXPENSIVE MONTH TO FLY TO BELFAST FROM LOS ANGELESJune44% more expensiveIt costs about $1,336 for flights to Belfast from Los Angeles in June
MOST POPULAR MONTH TO FLY TO BELFAST FROM LOS ANGELESJuly850% 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

$239

Best Round-Trip Price

$617

Fastest flight time

11h 50m

Popular in

April
The best one-way flight price to Belfast from United States in the last 72 hours is $239 (Seattle/Tacoma Intl to Belfast Intl).
The best round-trip flight price to Belfast from United States in the last 72 hours is $617 (New York John F Kennedy Intl to Belfast City).
The fastest flight to Belfast from United States takes 11h 50m (New York John F Kennedy Intl to Belfast City).
April has the highest demand for flights to Belfast, with a 17% price increase on average.

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?

Belfast City Airport has an average price of $135 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 Edinburgh and is 86% 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?

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.

An easier way to manage your Belfast trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Thu 4/16
Thu 4/23

Find better results for your trip to Belfast