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Flights to Belfast Intl

$158 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 10/7. 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 Intl Airport

Cheap round-trip flights

Logo
6:20 pm - 7:30 amJFK-BFS
32h 10m1 stop
Logo
2:50 pm - 10:15 pmBFS-JFK
12h 25m1 stop
$532
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Mon, Sep 29 - Tue, Oct 14
Logo
6:20 pm - 6:45 pmJFK-BFS
19h 25m1 stop
Logo
8:15 am - 8:05 pmBFS-JFK
40h 50m3 stops
$544
Find Deal
Mon, Sep 29 - Tue, Oct 14
Logo
6:20 pm - 8:05 pmJFK-BFS
20h 45m1 stop
Logo
6:05 am - 3:55 pmBFS-JFK
14h 50m1 stop
$559
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Fri, Oct 3 - Fri, Oct 10
Logo
6:20 pm - 1:05 pmJFK-BFS
13h 45m1 stop
Logo
4:55 pm - 8:05 pmBFS-JFK
32h 10m2 stops
$560
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Sun, Oct 5 - Tue, Oct 21
Logo
6:20 pm - 9:55 amJFK-BFS
10h 35m1 stop
Logo
8:15 am - 3:55 pmBFS-JFK
12h 40m1 stop
$562
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Sun, Oct 5 - Tue, Oct 21
Logo
6:20 pm - 7:45 amJFK-BFS
32h 25m1 stop
Logo
12:35 pm - 10:15 pmBFS-JFK
14h 40m1 stop
$574
Find Deal
Sat, Oct 4 - Sat, Oct 11
Logo
6:50 pm - 1:30 pmBWI-BFS
13h 40m2 stops
Logo
6:05 am - 5:40 pmBFS-BWI
16h 35m2 stops
$588
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Fri, Sep 19 - Fri, Sep 26
Logo
10:50 pm - 11:00 pmEWR-BFS
19h 10m2 stops
Logo
6:45 am - 3:20 pmBFS-EWR
37h 35m3 stops
$594
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Mon, Sep 22 - Mon, Oct 6
Logo
6:50 pm - 11:05 pmBWI-BFS
23h 15m2 stops
Logo
9:30 pm - 5:40 pmBFS-BWI
25h 10m2 stops
$601
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Sat, Oct 4 - Sat, Oct 11
Logo
6:20 pm - 8:05 pmJFK-BFS
20h 45m1 stop
Logo
8:10 pm - 3:55 pmBFS-JFK
24h 45m1 stop
$608
Find Deal
Fri, Oct 3 - Sun, Oct 5

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 August 21, 2025.
Use the filters below to find and compare flights to Belfast Intl Airport that are best for you.

Fly from

Route

Depart

Return

Price

New YorkBelfast

JFK - BFS

JFKBFS

New York John F Kennedy Intl

Mon 9/29

6:20 pm-7:30 am

1 stop32h 10m

Belfast Intl

Tue 10/14

2:50 pm-10:15 pm

1 stop12h 25m

$532

New YorkBelfast

JFK - BFS

JFKBFS

New York John F Kennedy Intl

Mon 9/29

6:20 pm-6:45 pm

1 stop19h 25m

Belfast Intl

Tue 10/14

8:15 am-8:05 pm

3 stops40h 50m

$544

New YorkBelfast

JFK - BFS

JFKBFS

New York John F Kennedy Intl

Fri 10/3

6:20 pm-8:05 pm

1 stop20h 45m

Belfast Intl

Fri 10/10

6:05 am-3:55 pm

1 stop14h 50m

$559

New YorkBelfast

JFK - BFS

JFKBFS

New York John F Kennedy Intl

Sun 10/5

6:20 pm-1:05 pm

1 stop13h 45m

Belfast Intl

Tue 10/21

4:55 pm-8:05 pm

2 stops32h 10m

$560

New YorkBelfast

JFK - BFS

JFKBFS

New York John F Kennedy Intl

Sun 10/5

6:20 pm-9:55 am

1 stop10h 35m

Belfast Intl

Tue 10/21

8:15 am-3:55 pm

1 stop12h 40m

$562

New YorkBelfast

JFK - BFS

JFKBFS

New York John F Kennedy Intl

Sat 10/4

6:20 pm-7:45 am

1 stop32h 25m

Belfast Intl

Sat 10/11

12:35 pm-10:15 pm

1 stop14h 40m

$574

BaltimoreBelfast

BWI - BFS

BWIBFS

Baltimore/Washington

Fri 9/19

6:50 pm-1:30 pm

2 stops13h 40m

Belfast Intl

Fri 9/26

6:05 am-5:40 pm

2 stops16h 35m

$588

NewarkBelfast

EWR - BFS

EWRBFS

Newark

Mon 9/22

10:50 pm-11:00 pm

2 stops19h 10m

Belfast Intl

Mon 10/6

6:45 am-3:20 pm

3 stops37h 35m

$594

BaltimoreBelfast

BWI - BFS

BWIBFS

Baltimore/Washington

Sat 10/4

6:50 pm-11:05 pm

2 stops23h 15m

Belfast Intl

Sat 10/11

9:30 pm-5:40 pm

2 stops25h 10m

$601

New YorkBelfast

JFK - BFS

JFKBFS

New York John F Kennedy Intl

Fri 10/3

6:20 pm-8:05 pm

1 stop20h 45m

Belfast Intl

Sun 10/5

8:10 pm-3:55 pm

1 stop24h 45m

$608

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 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 day to depart on your flight to Belfast Intl Airport?

The cheapest day to depart on your flight to Belfast Intl Airport is on a Monday when prices can be found for as low as $654. This is often the case because there is less demand to fly during this day of the week. 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 Intl Airport for around $845.

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

In the afternoon is the cheapest time of day to fly from United States to Belfast Intl Airport when you can find flight prices for as low as $660. Flying to Belfast Intl Airport in the afternoon is an ideal time because this is during off-peak travel hours. In contrast, the most expensive time of day to depart to Belfast Intl Airport is in the morning when prices are around $916.

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 ANGELESSeptember16% cheaperFlying from Los Angeles to Belfast Intl Airport costs on average just $693 in September
MOST EXPENSIVE MONTH TO FLY TO BELFAST INTL AIRPORT FROM LOS ANGELESJune63% 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 ANGELESAugust400% more users visitedMore momondo users searched in flights to Belfast Intl Airport from Los Angeles in August 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

$158

Best Round-Trip Price

$532

Fastest flight time

10h 35m

Popular in

September
The best one-way flight price to Belfast from United States in the last 72 hours is $158 (New York John F Kennedy Intl to Belfast Intl).
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The best round-trip flight price to Belfast from United States in the last 72 hours is $532 (New York John F Kennedy Intl to Belfast Intl).
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The fastest flight to Belfast from United States takes 10h 35m (New York John F Kennedy Intl to Belfast Intl).
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September has the highest demand for flights to Belfast, with a 23% price increase on average.
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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 June.

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

On average, the cheapest flights to Belfast Intl Airport are found when departing on a Monday. Try to avoid departing on a Saturday, as this is usually the most expensive day.

What is the cheapest time of day to fly to Belfast Intl Airport?

Our data shows that the cheapest Belfast Intl Airport flights are usually those with Afternoon departure times. Evening flights are often costlier.

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 $176. 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 Birmingham found flights 67% 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 79% of our users opting to fly with them when traveling to Belfast Intl Airport. Other popular options include American Airlines and Aer Lingus. 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 August 2025, there are 7 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
Newry
Armagh
Cookstown
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.

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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 $20