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Flights to Belfast Intl

$316 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 2/25. 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

Enter your travel dates to find the best prices.
Multiple Airlines Logo
6:05 pm - 10:05 amJFK-BFS
11h 00m1 stop
Multiple Airlines Logo
8:55 pm - 3:55 pmBFS-JFK
24h 00m1 stop
$523Multiple Airlines
Find Deal
Wed, Nov 5 - Mon, Nov 10
Multiple Airlines Logo
6:05 pm - 10:05 amJFK-BFS
11h 00m1 stop
Multiple Airlines Logo
8:55 pm - 3:55 pmBFS-JFK
24h 00m1 stop
$540Multiple Airlines
Find Deal
Wed, Nov 5 - Mon, Nov 10
Multiple Airlines Logo
6:05 pm - 9:30 pmJFK-BFS
22h 25m1 stop
Multiple Airlines Logo
6:00 am - 3:55 pmBFS-JFK
14h 55m1 stop
$548Multiple Airlines
Find Deal
Sun, Nov 9 - Tue, Nov 25
Multiple Airlines Logo
7:40 pm - 10:20 pmIAD-BFS
21h 40m2 stops
Multiple Airlines Logo
6:30 am - 6:30 pmBFS-IAD
17h 00m2 stops
$557Multiple Airlines
Find Deal
Thu, Nov 13 - Thu, Nov 20
Multiple Airlines Logo
5:30 am - 9:30 pmBOS-BFS
35h 00m2 stops
Multiple Airlines Logo
6:00 am - 7:12 pmBFS-BOS
18h 12m2 stops
$565Multiple Airlines
Find Deal
Sun, Nov 9 - Tue, Nov 25
Multiple Airlines Logo
11:35 am - 6:15 pmBOS-BFS
25h 40m2 stops
Multiple Airlines Logo
6:00 am - 5:50 pmBFS-BOS
40h 50m2 stops
$582Multiple Airlines
Find Deal
Sun, Dec 14 - Thu, Jan 8
Multiple Airlines Logo
6:30 pm - 9:30 pmBOS-BFS
22h 00m2 stops
Multiple Airlines Logo
6:00 am - 4:00 pmBFS-BOS
15h 00m1 stop
$589Multiple Airlines
Find Deal
Sun, Nov 9 - Tue, Nov 25
Multiple Airlines Logo
8:00 pm - 9:30 pmBOS-BFS
20h 30m1 stop
Multiple Airlines Logo
6:00 am - 4:00 pmBFS-BOS
15h 00m1 stop
$594Multiple Airlines
Find Deal
Sun, Nov 9 - Tue, Nov 25
Multiple Airlines Logo
6:05 pm - 10:25 amJFK-BFS
11h 20m1 stop
Multiple Airlines Logo
8:55 pm - 3:55 pmBFS-JFK
24h 00m1 stop
$602Multiple Airlines
Find Deal
Tue, Nov 25 - Mon, Dec 1
Multiple Airlines Logo
5:45 pm - 2:55 pmEWR-BFS
16h 10m2 stops
Multiple Airlines Logo
4:50 pm - 10:10 pmBFS-EWR
34h 20m3 stops
$604Multiple Airlines
Find Deal
Sun, Nov 9 - Tue, Nov 25

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 October 16, 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

Wed 11/5

6:05 pm-10:05 am

1 stop11h 00m

Belfast Intl

Mon 11/10

8:55 pm-3:55 pm

1 stop24h 00m

$523

New YorkBelfast

JFK - BFS

JFKBFS

New York John F Kennedy Intl

Wed 11/5

6:05 pm-10:05 am

1 stop11h 00m

Belfast Intl

Mon 11/10

8:55 pm-3:55 pm

1 stop24h 00m

$540

New YorkBelfast

JFK - BFS

JFKBFS

New York John F Kennedy Intl

Sun 11/9

6:05 pm-9:30 pm

1 stop22h 25m

Belfast Intl

Tue 11/25

6:00 am-3:55 pm

1 stop14h 55m

$548

Washington, D.C.Belfast

IAD - BFS

IADBFS

Washington, D.C. Dulles Intl

Thu 11/13

7:40 pm-10:20 pm

2 stops21h 40m

Belfast Intl

Thu 11/20

6:30 am-6:30 pm

2 stops17h 00m

$557

BostonBelfast

BOS - BFS

BOSBFS

Boston Logan Intl

Sun 11/9

5:30 am-9:30 pm

2 stops35h 00m

Belfast Intl

Tue 11/25

6:00 am-7:12 pm

2 stops18h 12m

$565

BostonBelfast

BOS - BFS

BOSBFS

Boston Logan Intl

Sun 12/14

11:35 am-6:15 pm

2 stops25h 40m

Belfast Intl

Thu 1/8

6:00 am-5:50 pm

2 stops40h 50m

$582

BostonBelfast

BOS - BFS

BOSBFS

Boston Logan Intl

Sun 11/9

6:30 pm-9:30 pm

2 stops22h 00m

Belfast Intl

Tue 11/25

6:00 am-4:00 pm

1 stop15h 00m

$589

BostonBelfast

BOS - BFS

BOSBFS

Boston Logan Intl

Sun 11/9

8:00 pm-9:30 pm

1 stop20h 30m

Belfast Intl

Tue 11/25

6:00 am-4:00 pm

1 stop15h 00m

$594

New YorkBelfast

JFK - BFS

JFKBFS

New York John F Kennedy Intl

Tue 11/25

6:05 pm-10:25 am

1 stop11h 20m

Belfast Intl

Mon 12/1

8:55 pm-3:55 pm

1 stop24h 00m

$602

NewarkBelfast

EWR - BFS

EWRBFS

Newark

Sun 11/9

5:45 pm-2:55 pm

2 stops16h 10m

Belfast Intl

Tue 11/25

4:50 pm-10:10 pm

3 stops34h 20m

$604

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 ANGELESOctober29% cheaperFlying from Los Angeles to Belfast Intl Airport costs on average just $633 in October
MOST EXPENSIVE MONTH TO FLY TO BELFAST INTL AIRPORT FROM LOS ANGELESJune51% 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 ANGELESAugust425% 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

$316

Best Round-Trip Price

$523

Fastest flight time

12h 15m

Popular in

July
The best one-way flight price to Belfast from United States in the last 72 hours is $316 (Charlotte Douglas to Belfast Intl).
Search Deals
The best round-trip flight price to Belfast from United States in the last 72 hours is $523 (New York John F Kennedy Intl to Belfast Intl).
Search Deals
The fastest flight to Belfast from United States takes 12h 15m (Boston Logan Intl to Belfast Intl).
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July has the highest demand for flights to Belfast, with a 2% 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 November.

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 Edinburgh found flights 83% 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 88% 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 October 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.

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 $22