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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 3/15. 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
7:35 pm - 5:55 pm
EWR
-
BFS
17h 20m
2 stops
Multiple Airlines Logo
6:30 am - 7:25 pm
BFS
-
EWR
16h 55m
2 stops
$542Multiple Airlines
Mon, Mar 2 - Thu, Mar 12
Multiple Airlines Logo
3:40 pm - 9:50 pm
SEA
-
BFS
22h 10m
2 stops
Multiple Airlines Logo
8:10 am - 5:55 pm
BFS
-
SEA
17h 45m
2 stops
$580Multiple Airlines
Sun, Apr 26 - Thu, Apr 30
Multiple Airlines Logo
6:55 pm - 10:05 am
JFK
-
BFS
11h 10m
1 stop
Multiple Airlines Logo
6:30 am - 4:55 pm
BFS
-
JFK
14h 25m
1 stop
$598Multiple Airlines
Mon, Mar 16 - Fri, Mar 20
Multiple Airlines Logo
7:35 pm - 8:15 pm
EWR
-
BFS
19h 40m
2 stops
Multiple Airlines Logo
6:30 am - 6:25 pm
BFS
-
EWR
16h 55m
2 stops
$604Multiple Airlines
Mon, Feb 23 - Tue, Mar 3
Multiple Airlines Logo
3:35 pm - 8:10 pm
SEA
-
BFS
21h 35m
2 stops
Multiple Airlines Logo
8:45 pm - 6:00 pm
BFS
-
SEA
52h 15m
2 stops
$606Multiple Airlines
Sun, Mar 8 - Sun, Mar 15
Multiple Airlines Logo
9:35 am - 1:50 pm
JFK
-
BFS
23h 15m
1 stop
Multiple Airlines Logo
8:55 am - 8:20 pm
BFS
-
JFK
16h 25m
1 stop
$619Multiple Airlines
Fri, Apr 17 - Wed, Apr 22
Multiple Airlines Logo
11:00 pm - 8:10 pm
JFK
-
BFS
17h 10m
2 stops
Multiple Airlines Logo
6:25 am - 11:55 am
BFS
-
JFK
34h 30m
3 stops
$621Multiple Airlines
Sun, Mar 22 - Sun, Mar 29
Multiple Airlines Logo
9:45 am - 6:55 pm
JFK
-
BFS
29h 10m
3 stops
Multiple Airlines Logo
6:25 am - 11:55 am
BFS
-
JFK
34h 30m
3 stops
$623Multiple Airlines
Sun, Mar 22 - Sun, Mar 29
Multiple Airlines Logo
9:35 am - 7:25 am
JFK
-
BFS
16h 50m
1 stop
Multiple Airlines Logo
6:45 am - 5:00 pm
BFS
-
JFK
15h 15m
1 stop
$624Multiple Airlines
Mon, May 4 - Tue, May 19
Multiple Airlines Logo
7:35 pm - 5:55 pm
EWR
-
BFS
17h 20m
2 stops
Multiple Airlines Logo
6:30 am - 6:25 pm
BFS
-
EWR
16h 55m
2 stops
$626Multiple Airlines
Wed, Feb 25 - Wed, Mar 4

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 February 8, 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

NewarkBelfast

EWR - BFS

EWRBFS

Newark

Mon 3/2

7:35 pm-5:55 pm

2 stops17h 20m

Belfast Intl

Thu 3/12

6:30 am-7:25 pm

2 stops16h 55m

$542

SeattleBelfast

SEA - BFS

SEABFS

Seattle/Tacoma Intl

Sun 4/26

3:40 pm-9:50 pm

2 stops22h 10m

Belfast Intl

Thu 4/30

8:10 am-5:55 pm

2 stops17h 45m

$580

New YorkBelfast

JFK - BFS

JFKBFS

New York John F Kennedy Intl

Mon 3/16

6:55 pm-10:05 am

1 stop11h 10m

Belfast Intl

Fri 3/20

6:30 am-4:55 pm

1 stop14h 25m

$598

NewarkBelfast

EWR - BFS

EWRBFS

Newark

Mon 2/23

7:35 pm-8:15 pm

2 stops19h 40m

Belfast Intl

Tue 3/3

6:30 am-6:25 pm

2 stops16h 55m

$604

SeattleBelfast

SEA - BFS

SEABFS

Seattle/Tacoma Intl

Sun 3/8

3:35 pm-8:10 pm

2 stops21h 35m

Belfast Intl

Sun 3/15

8:45 pm-6:00 pm

2 stops52h 15m

$606

New YorkBelfast

JFK - BFS

JFKBFS

New York John F Kennedy Intl

Fri 4/17

9:35 am-1:50 pm

1 stop23h 15m

Belfast Intl

Wed 4/22

8:55 am-8:20 pm

1 stop16h 25m

$619

New YorkBelfast

JFK - BFS

JFKBFS

New York John F Kennedy Intl

Sun 3/22

11:00 pm-8:10 pm

2 stops17h 10m

Belfast Intl

Sun 3/29

6:25 am-11:55 am

3 stops34h 30m

$621

New YorkBelfast

JFK - BFS

JFKBFS

New York John F Kennedy Intl

Sun 3/22

9:45 am-6:55 pm

3 stops29h 10m

Belfast Intl

Sun 3/29

6:25 am-11:55 am

3 stops34h 30m

$623

New YorkBelfast

JFK - BFS

JFKBFS

New York John F Kennedy Intl

Mon 5/4

9:35 am-7:25 am

1 stop16h 50m

Belfast Intl

Tue 5/19

6:45 am-5:00 pm

1 stop15h 15m

$624

NewarkBelfast

EWR - BFS

EWRBFS

Newark

Wed 2/25

7:35 pm-5:55 pm

2 stops17h 20m

Belfast Intl

Wed 3/4

6:30 am-6:25 pm

2 stops16h 55m

$626

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

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 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

$257

Best Round-Trip Price

$542

Fastest flight time

25h 25m

Popular in

December
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 $542 (Newark to Belfast Intl).
Search Deals
The fastest flight to Belfast from United States takes 25h 25m (Newark to Belfast Intl).
Search Deals
December has the highest demand for flights to Belfast, with a 2% 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 $154. 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 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.

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 February 2026, 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
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.

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