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Flights to Belfast Intl

$255 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 1/14. 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
6:05 pm - 9:55 pm
JFK
-
BFS
22h 50m1 stop
Multiple Airlines Logo
6:00 am - 3:55 pm
BFS
-
JFK
14h 55m1 stop
$544Multiple Airlines
Sun, Jan 11 - Tue, Jan 27
Multiple Airlines Logo
7:35 pm - 5:55 pm
EWR
-
BFS
17h 20m2 stops
Multiple Airlines Logo
6:30 am - 7:25 pm
BFS
-
EWR
16h 55m2 stops
$558Multiple Airlines
Wed, Mar 4 - Fri, Mar 13
Multiple Airlines Logo
7:50 pm - 6:15 pm
BOS
-
BFS
17h 25m2 stops
Multiple Airlines Logo
6:30 am - 5:50 pm
BFS
-
BOS
16h 20m2 stops
$569Multiple Airlines
Sun, Jan 11 - Tue, Jan 27
Multiple Airlines Logo
6:05 pm - 1:45 pm
JFK
-
BFS
14h 40m1 stop
Multiple Airlines Logo
6:30 am - 4:55 pm
BFS
-
JFK
14h 25m1 stop
$576Multiple Airlines
Wed, Mar 4 - Fri, Mar 13
Multiple Airlines Logo
8:00 pm - 6:15 pm
BOS
-
BFS
17h 15m1 stop
Multiple Airlines Logo
6:00 am - 4:00 pm
BFS
-
BOS
15h 00m1 stop
$586Multiple Airlines
Sun, Jan 11 - Tue, Jan 27
Multiple Airlines Logo
5:05 pm - 6:15 pm
BOS
-
BFS
20h 10m2 stops
Multiple Airlines Logo
6:00 am - 4:00 pm
BFS
-
BOS
15h 00m1 stop
$587Multiple Airlines
Sun, Jan 11 - Tue, Jan 27
Multiple Airlines Logo
6:05 pm - 10:05 am
JFK
-
BFS
11h 00m1 stop
Multiple Airlines Logo
6:30 am - 3:55 pm
BFS
-
JFK
14h 25m1 stop
$599Multiple Airlines
Wed, Jan 14 - Wed, Jan 21
Multiple Airlines Logo
7:50 pm - 6:15 pm
BOS
-
BFS
17h 25m2 stops
Multiple Airlines Logo
6:30 am - 5:50 pm
BFS
-
BOS
16h 20m2 stops
$604Multiple Airlines
Sun, Jan 11 - Tue, Jan 27
Multiple Airlines Logo
7:35 pm - 10:00 pm
EWR
-
BFS
21h 25m2 stops
Multiple Airlines Logo
8:05 am - 6:25 pm
BFS
-
EWR
15h 20m2 stops
$605Multiple Airlines
Fri, Jan 30 - Fri, Feb 6
Multiple Airlines Logo
7:01 pm - 4:15 pm
JFK
-
BFS
16h 14m1 stop
Multiple Airlines Logo
6:00 am - 10:55 pm
BFS
-
JFK
21h 55m1 stop
$605Multiple Airlines
Mon, Jan 12 - Tue, Jan 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 December 17, 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

Sun 1/11

6:05 pm-9:55 pm

1 stop22h 50m

Belfast Intl

Tue 1/27

6:00 am-3:55 pm

1 stop14h 55m

$544

NewarkBelfast

EWR - BFS

EWRBFS

Newark

Wed 3/4

7:35 pm-5:55 pm

2 stops17h 20m

Belfast Intl

Fri 3/13

6:30 am-7:25 pm

2 stops16h 55m

$558

BostonBelfast

BOS - BFS

BOSBFS

Boston Logan Intl

Sun 1/11

7:50 pm-6:15 pm

2 stops17h 25m

Belfast Intl

Tue 1/27

6:30 am-5:50 pm

2 stops16h 20m

$569

New YorkBelfast

JFK - BFS

JFKBFS

New York John F Kennedy Intl

Wed 3/4

6:05 pm-1:45 pm

1 stop14h 40m

Belfast Intl

Fri 3/13

6:30 am-4:55 pm

1 stop14h 25m

$576

BostonBelfast

BOS - BFS

BOSBFS

Boston Logan Intl

Sun 1/11

8:00 pm-6:15 pm

1 stop17h 15m

Belfast Intl

Tue 1/27

6:00 am-4:00 pm

1 stop15h 00m

$586

BostonBelfast

BOS - BFS

BOSBFS

Boston Logan Intl

Sun 1/11

5:05 pm-6:15 pm

2 stops20h 10m

Belfast Intl

Tue 1/27

6:00 am-4:00 pm

1 stop15h 00m

$587

New YorkBelfast

JFK - BFS

JFKBFS

New York John F Kennedy Intl

Wed 1/14

6:05 pm-10:05 am

1 stop11h 00m

Belfast Intl

Wed 1/21

6:30 am-3:55 pm

1 stop14h 25m

$599

BostonBelfast

BOS - BFS

BOSBFS

Boston Logan Intl

Sun 1/11

7:50 pm-6:15 pm

2 stops17h 25m

Belfast Intl

Tue 1/27

6:30 am-5:50 pm

2 stops16h 20m

$604

NewarkBelfast

EWR - BFS

EWRBFS

Newark

Fri 1/30

7:35 pm-10:00 pm

2 stops21h 25m

Belfast Intl

Fri 2/6

8:05 am-6:25 pm

2 stops15h 20m

$605

New YorkBelfast

JFK - BFS

JFKBFS

New York John F Kennedy Intl

Mon 1/12

7:01 pm-4:15 pm

1 stop16h 14m

Belfast Intl

Tue 1/27

6:00 am-10:55 pm

1 stop21h 55m

$605

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 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 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 September is your next best option. Flight prices from United States to Belfast Intl Airport during September average around $556.

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 ANGELESOctober31% 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 ANGELESJune46% 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 ANGELESJuly566% 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

$255

Best Round-Trip Price

$544

Fastest flight time

15h 40m

Popular in

December
The best one-way flight price to Belfast from United States in the last 72 hours is $255 (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 $544 (New York John F Kennedy Intl to Belfast Intl).
Search Deals
The fastest flight to Belfast from United States takes 15h 40m (Chicago O'Hare Intl to Belfast Intl).
Search Deals
December has the highest demand for flights to Belfast, with a 5% 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.

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 $131. 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 Manchester found flights 64% 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 89% 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 December 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
Armagh
Cookstown
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.

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Find better results for your trip to Belfast Intl Airport BFS

Fly your favorite airline to Belfast Intl Airport

Airlines are sorted and displayed according to clicks in the past 7 days on momondo
British Airways flights to Belfast Intl Airportfrom $542
American Airlines flights to Belfast Intl Airportfrom $565
Aer Lingus flights to Belfast Intl Airportfrom $556