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Flights to Belfast Intl

$244 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 1/12. 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
12:30 am - 9:55 pm
JFK
-
BFS
40h 25m2 stops
Multiple Airlines Logo
5:45 am - 3:55 pm
BFS
-
JFK
15h 10m1 stop
$572Multiple Airlines
Sat, Jan 10 - Tue, Jan 27
Multiple Airlines Logo
12:30 am - 9:55 pm
JFK
-
BFS
40h 25m2 stops
Multiple Airlines Logo
5:45 am - 3:55 pm
BFS
-
JFK
15h 10m1 stop
$573Multiple Airlines
Sat, Jan 10 - Tue, Jan 27
Multiple Airlines Logo
2:35 pm - 10:20 pm
SEA
-
BFS
23h 45m2 stops
Multiple Airlines Logo
7:05 am - 5:00 pm
BFS
-
SEA
17h 55m2 stops
$579Multiple Airlines
Thu, Jan 22 - Tue, Jan 27
Multiple Airlines Logo
2:35 pm - 8:40 pm
SEA
-
BFS
22h 05m2 stops
Multiple Airlines Logo
8:15 am - 5:00 pm
BFS
-
SEA
16h 45m2 stops
$583Multiple Airlines
Thu, Jan 22 - Mon, Jan 26
Multiple Airlines Logo
6:20 pm - 7:30 pm
JFK
-
BFS
20h 10m1 stop
Multiple Airlines Logo
8:50 pm - 3:55 pm
BFS
-
JFK
24h 05m1 stop
$632Multiple Airlines
Thu, Apr 2 - Sun, Apr 12
Multiple Airlines Logo
7:40 pm - 7:20 pm
IAD
-
BFS
18h 40m2 stops
Multiple Airlines Logo
7:20 am - 6:30 pm
BFS
-
IAD
16h 10m2 stops
$633Multiple Airlines
Wed, Jan 28 - Wed, Feb 4
Multiple Airlines Logo
6:05 pm - 11:55 am
JFK
-
BFS
12h 50m1 stop
Multiple Airlines Logo
6:50 pm - 3:55 pm
BFS
-
JFK
26h 05m1 stop
$636Multiple Airlines
Fri, Feb 13 - Mon, Feb 16
Multiple Airlines Logo
6:20 pm - 9:55 am
JFK
-
BFS
10h 35m1 stop
Multiple Airlines Logo
10:10 pm - 10:30 pm
BFS
-
JFK
53h 20m2 stops
$642Multiple Airlines
Thu, Apr 2 - Sun, Apr 12
Multiple Airlines Logo
3:30 pm - 4:15 pm
EWR
-
BFS
19h 45m2 stops
Multiple Airlines Logo
5:30 pm - 9:00 pm
BFS
-
EWR
32h 30m1 stop
$670Multiple Airlines
Mon, Jan 26 - Wed, Feb 11
Multiple Airlines Logo
6:05 pm - 10:20 am
JFK
-
BFS
11h 15m1 stop
Multiple Airlines Logo
6:30 am - 3:55 pm
BFS
-
JFK
14h 25m1 stop
$670Multiple Airlines
Fri, Feb 13 - Fri, Feb 20

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 January 1, 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

New YorkBelfast

JFK - BFS

JFKBFS

New York John F Kennedy Intl

Sat 1/10

12:30 am-9:55 pm

2 stops40h 25m

Belfast Intl

Tue 1/27

5:45 am-3:55 pm

1 stop15h 10m

$572

New YorkBelfast

JFK - BFS

JFKBFS

New York John F Kennedy Intl

Sat 1/10

12:30 am-9:55 pm

2 stops40h 25m

Belfast Intl

Tue 1/27

5:45 am-3:55 pm

1 stop15h 10m

$573

SeattleBelfast

SEA - BFS

SEABFS

Seattle/Tacoma Intl

Thu 1/22

2:35 pm-10:20 pm

2 stops23h 45m

Belfast Intl

Tue 1/27

7:05 am-5:00 pm

2 stops17h 55m

$579

SeattleBelfast

SEA - BFS

SEABFS

Seattle/Tacoma Intl

Thu 1/22

2:35 pm-8:40 pm

2 stops22h 05m

Belfast Intl

Mon 1/26

8:15 am-5:00 pm

2 stops16h 45m

$583

New YorkBelfast

JFK - BFS

JFKBFS

New York John F Kennedy Intl

Thu 4/2

6:20 pm-7:30 pm

1 stop20h 10m

Belfast Intl

Sun 4/12

8:50 pm-3:55 pm

1 stop24h 05m

$632

Washington, D.C.Belfast

IAD - BFS

IADBFS

Washington, D.C. Dulles Intl

Wed 1/28

7:40 pm-7:20 pm

2 stops18h 40m

Belfast Intl

Wed 2/4

7:20 am-6:30 pm

2 stops16h 10m

$633

New YorkBelfast

JFK - BFS

JFKBFS

New York John F Kennedy Intl

Fri 2/13

6:05 pm-11:55 am

1 stop12h 50m

Belfast Intl

Mon 2/16

6:50 pm-3:55 pm

1 stop26h 05m

$636

New YorkBelfast

JFK - BFS

JFKBFS

New York John F Kennedy Intl

Thu 4/2

6:20 pm-9:55 am

1 stop10h 35m

Belfast Intl

Sun 4/12

10:10 pm-10:30 pm

2 stops53h 20m

$642

NewarkBelfast

EWR - BFS

EWRBFS

Newark

Mon 1/26

3:30 pm-4:15 pm

2 stops19h 45m

Belfast Intl

Wed 2/11

5:30 pm-9:00 pm

1 stop32h 30m

$670

New YorkBelfast

JFK - BFS

JFKBFS

New York John F Kennedy Intl

Fri 2/13

6:05 pm-10:20 am

1 stop11h 15m

Belfast Intl

Fri 2/20

6:30 am-3:55 pm

1 stop14h 25m

$670

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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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 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

$244

Best Round-Trip Price

$572

Fastest flight time

17h 40m

Popular in

December
The best one-way flight price to Belfast from United States in the last 72 hours is $244 (Washington, D.C. Dulles Intl to Belfast Intl).
Search Deals
The best round-trip flight price to Belfast from United States in the last 72 hours is $572 (New York John F Kennedy Intl to Belfast Intl).
Search Deals
The fastest flight to Belfast from United States takes 17h 40m (Newark 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.

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 $138. 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 49% 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 87% 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 January 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
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

Popular flights to Belfast Intl Airport

Popular routes according to searches in the past day on momondo
Flights from Edinburgh Turnhouse to BFSfrom $25