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Flights to Belfast Intl

$257 Cheap flights to Belfast Intl Airport

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 Intl Airport departing on 4/19. 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

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Find the cheapest flights from the United States to Belfast Intl Airport

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
6:20 pm - 8:35 pm
JFK
-
BFS
21h 15m
1 stop
Multiple Airlines Logo
6:10 am - 3:55 pm
BFS
-
JFK
14h 45m
1 stop
$601Multiple Airlines
Thu, Apr 23 - Thu, Apr 30
Multiple Airlines Logo
11:00 pm - 10:40 pm
BOS
-
BFS
18h 40m
2 stops
Multiple Airlines Logo
6:10 am - 9:45 pm
BFS
-
BOS
20h 35m
2 stops
$621Multiple Airlines
Sat, Apr 25 - Thu, Apr 30
Multiple Airlines Logo
6:20 pm - 7:45 am
JFK
-
BFS
32h 25m
1 stop
Multiple Airlines Logo
6:20 am - 3:55 pm
BFS
-
JFK
14h 35m
1 stop
$624Multiple Airlines
Sat, Apr 25 - Sat, May 2
Multiple Airlines Logo
8:30 pm - 9:55 am
MCO
-
BFS
32h 25m
1 stop
Multiple Airlines Logo
9:05 pm - 6:25 pm
BFS
-
MCO
26h 20m
1 stop
$639Multiple Airlines
Sun, Apr 26 - Sun, May 3
Multiple Airlines Logo
8:30 pm - 9:00 am
MCO
-
BFS
31h 30m
1 stop
Multiple Airlines Logo
6:10 am - 6:25 pm
BFS
-
MCO
17h 15m
1 stop
$646Multiple Airlines
Thu, Apr 2 - Thu, Apr 9
Multiple Airlines Logo
8:50 pm - 8:40 pm
BOS
-
BFS
18h 50m
2 stops
Multiple Airlines Logo
7:35 am - 6:50 pm
BFS
-
BOS
16h 15m
2 stops
$646Multiple Airlines
Mon, May 4 - Wed, May 13
Multiple Airlines Logo
8:25 pm - 11:10 pm
EWR
-
BFS
21h 45m
2 stops
Multiple Airlines Logo
7:00 am - 7:15 pm
BFS
-
EWR
41h 15m
2 stops
$647Multiple Airlines
Mon, Apr 13 - Tue, Apr 28
Multiple Airlines Logo
11:25 pm - 9:20 am
JFK
-
BFS
28h 55m
2 stops
Multiple Airlines Logo
6:45 am - 3:55 pm
BFS
-
JFK
14h 10m
1 stop
$647Multiple Airlines
Mon, Apr 13 - Tue, Apr 28
Multiple Airlines Logo
6:20 pm - 8:15 pm
JFK
-
BFS
20h 55m
1 stop
Multiple Airlines Logo
9:10 pm - 3:55 pm
BFS
-
JFK
23h 45m
1 stop
$648Multiple Airlines
Sat, Sep 5 - Wed, Sep 9
Multiple Airlines Logo
11:25 pm - 9:30 am
JFK
-
BFS
53h 05m
2 stops
Multiple Airlines Logo
6:50 pm - 3:55 pm
BFS
-
JFK
26h 05m
1 stop
$655Multiple Airlines
Sun, Apr 12 - Mon, Apr 27

momondo Fare Finder

 
Locate flights to Belfast Intl 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 12, 2026.
Use the filters below to find and compare flights to Belfast Intl Airport 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

Thu 4/23

6:20 pm-8:35 pm

1 stop21h 15m

Belfast Intl

Thu 4/30

6:10 am-3:55 pm

1 stop14h 45m

$601

BostonBelfast

BOS - BFS

BOSBFS

Boston Logan Intl

Sat 4/25

11:00 pm-10:40 pm

2 stops18h 40m

Belfast Intl

Thu 4/30

6:10 am-9:45 pm

2 stops20h 35m

$621

New YorkBelfast

JFK - BFS

JFKBFS

New York John F Kennedy Intl

Sat 4/25

6:20 pm-7:45 am

1 stop32h 25m

Belfast Intl

Sat 5/2

6:20 am-3:55 pm

1 stop14h 35m

$624

OrlandoBelfast

MCO - BFS

MCOBFS

Orlando

Sun 4/26

8:30 pm-9:55 am

1 stop32h 25m

Belfast Intl

Sun 5/3

9:05 pm-6:25 pm

1 stop26h 20m

$639

OrlandoBelfast

MCO - BFS

MCOBFS

Orlando

Thu 4/2

8:30 pm-9:00 am

1 stop31h 30m

Belfast Intl

Thu 4/9

6:10 am-6:25 pm

1 stop17h 15m

$646
Quickest round-trip

BostonBelfast

BOS - BFS

BOSBFS

Boston Logan Intl

Mon 5/4

8:50 pm-8:40 pm

2 stops18h 50m

Belfast Intl

Wed 5/13

7:35 am-6:50 pm

2 stops16h 15m

$646

NewarkBelfast

EWR - BFS

EWRBFS

Newark

Mon 4/13

8:25 pm-11:10 pm

2 stops21h 45m

Belfast Intl

Tue 4/28

7:00 am-7:15 pm

2 stops41h 15m

$647

New YorkBelfast

JFK - BFS

JFKBFS

New York John F Kennedy Intl

Mon 4/13

11:25 pm-9:20 am

2 stops28h 55m

Belfast Intl

Tue 4/28

6:45 am-3:55 pm

1 stop14h 10m

$647

New YorkBelfast

JFK - BFS

JFKBFS

New York John F Kennedy Intl

Sat 9/5

6:20 pm-8:15 pm

1 stop20h 55m

Belfast Intl

Wed 9/9

9:10 pm-3:55 pm

1 stop23h 45m

$648

New YorkBelfast

JFK - BFS

JFKBFS

New York John F Kennedy Intl

Sun 4/12

11:25 pm-9:30 am

2 stops53h 05m

Belfast Intl

Mon 4/27

6:50 pm-3:55 pm

1 stop26h 05m

$655

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 Intl Airport from

Flights to Belfast Intl Airport - Travel Insights & Trends

Get data-powered insights and trends for flights to Belfast Intl Airport to help you craft the best travel plan.

What is the cheapest month to fly to Belfast Intl Airport?

The month of November is, on average, the cheapest month to fly to Belfast Intl Airport from United States, with most prices found around $460. If you’re not able to fly to Belfast Intl Airport in November, then February is your next best option. Flight prices from United States to Belfast Intl Airport during February average around $610.

Cheapest flights to Belfast Intl

Find the cheapest flights to Belfast Intl from your nearest city or airport
Find flights from Los Angeles to Belfast Intl Airport
CHEAPEST MONTH TO FLY TO BELFAST INTL AIRPORT FROM LOS ANGELESAugust30% cheaperFlying from Los Angeles to Belfast Intl Airport costs on average just $651 in August
MOST EXPENSIVE MONTH TO FLY TO BELFAST INTL AIRPORT FROM LOS ANGELESJune44% more expensiveIt costs about $1,336 for flights to Belfast Intl Airport from Los Angeles in June
MOST POPULAR MONTH TO FLY TO BELFAST INTL AIRPORT FROM LOS ANGELESJuly850% more users visitedMore momondo users searched in flights to Belfast Intl Airport from Los Angeles in July than any other month

Cheap Belfast Intl Airport flight deals and tips

Summary info about Belfast Intl Airport flight prices, duration and airlines

Best One-Way Price

$257

Best Round-Trip Price

$601

Fastest flight time

16h 46m

Popular in

April
The best one-way flight price to Belfast from United States in the last 72 hours is $257 (New York John F Kennedy Intl to Belfast Intl).
Search Deals
The best round-trip flight price to Belfast from United States in the last 72 hours is $601 (New York John F Kennedy Intl to Belfast Intl).
Search Deals
The fastest flight to Belfast from United States takes 16h 46m (Pittsburgh to Belfast Intl).
Search Deals
April has the highest demand for flights to Belfast, with a 17% price increase on average.
Search Deals

Frequently asked questions about flying to Belfast Intl Airport

What is the cheapest month to fly to Belfast Intl Airport?

Most travelers find the cheapest round-trip airfare to Belfast Intl Airport when booking during the month of November.

Is there an alternative airport near Belfast Intl Airport?

Belfast City Airport, Londonderry Eglinton Airport, Campbeltown Machrihanish Airport, Isle of Islay Glenegedale Airport or Glasgow Prestwick Airport can be an alternative airport used for travel to Belfast.

Is there a cheaper alternative to flying into Belfast?

Prices vary based on where travelers are departing from, but on average, the cheapest airport to fly to in Belfast is Belfast City Airport where the average price is $155. Users typically find the best prices when using momondo’s Airport-to-Airport Pricing Tool.

What is the absolute cheapest flight to Belfast?

Users booking trips to Belfast from Edinburgh found flights 71% cheaper than the average price of flights to Belfast. To find the cheapest price to Belfast from your area, use momondo’s Airport-to-Airport Pricing Tool.

What airlines fly to Belfast Intl Airport?

British Airways is the most popular airline offering flights to Belfast Intl Airport, with 91% of our users opting to fly with them when traveling to Belfast Intl Airport. Other popular options include American Airlines and Delta. There are a total of 3 different airlines flying to Belfast Intl Airport.

When did momondo last update prices for flights to Belfast Intl Airport?

Prices for flights to Belfast Intl Airport were last updated today.

How many operators does momondo search for flights to Belfast Intl Airport?

As of March 2026, there are 8 operators available to choose from for flights to Belfast Intl Airport.

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

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 Intl Airport.

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

The travel and health documents you'll need for your trip to Belfast Intl Airport 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 Intl Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Traveling to a place near Belfast Intl Airport?

Book flights to Belfast Intl Airport if you plan to visit one of these locations
Armagh
Cookstown
Ballymena
Newry
Dungannon

Why use momondo?

Why should I use momondo to find a flight deal to Belfast?

We help find the flight that best suits your needs; momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight for you.

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

Yes. momondo enables you to select and highlight flights to Belfast with this policy.

How can momondo help me find flights to Belfast?

momondo helps you find the best flight to Belfast by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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

Yes momondo offers price alerts on flights to Belfast. 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.

An easier way to manage your Belfast Intl trip

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Find better results for your trip to Belfast Intl Airport BFS

Popular flights to Belfast Intl Airport

Popular routes according to searches in the past day on momondo
Flights from Edinburgh Turnhouse to BFSfrom $26