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Flights to Belfast Intl

$310 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 8/17. 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
8:25 pm - 7:50 pm
EWR
-
BFS
18h 25m
3 stops
Multiple Airlines Logo
8:50 am - 7:15 pm
BFS
-
EWR
39h 25m
3 stops
$761Multiple Airlines
Tue, Aug 25 - Tue, Sep 1
Multiple Airlines Logo
8:30 pm - 7:50 pm
JFK
-
BFS
18h 20m
3 stops
Multiple Airlines Logo
8:50 am - 7:20 pm
BFS
-
JFK
39h 30m
3 stops
$763Multiple Airlines
Tue, Aug 25 - Tue, Sep 1
Multiple Airlines Logo
8:25 pm - 8:05 pm
JFK
-
BFS
19h 40m
3 stops
Multiple Airlines Logo
2:40 pm - 1:25 pm
BFS
-
JFK
26h 45m
2 stops
$771Multiple Airlines
Sun, Oct 25 - Thu, Oct 29
Multiple Airlines Logo
8:25 pm - 12:15 am
EWR
-
BFS
22h 50m
3 stops
Multiple Airlines Logo
8:10 pm - 7:15 pm
BFS
-
EWR
28h 05m
3 stops
$777Multiple Airlines
Sun, Oct 11 - Wed, Oct 14
Multiple Airlines Logo
8:30 pm - 6:50 pm
JFK
-
BFS
17h 20m
2 stops
Multiple Airlines Logo
8:50 am - 8:05 pm
BFS
-
JFK
40h 15m
3 stops
$780Multiple Airlines
Sun, May 31 - Tue, Jun 9
Multiple Airlines Logo
8:25 pm - 11:20 pm
EWR
-
BFS
21h 55m
3 stops
Multiple Airlines Logo
8:15 pm - 9:00 pm
BFS
-
EWR
29h 45m
3 stops
$794Multiple Airlines
Mon, Jun 1 - Mon, Jun 8
Multiple Airlines Logo
6:20 pm - 12:20 pm
JFK
-
BFS
13h 00m
1 stop
Multiple Airlines Logo
6:50 pm - 3:55 pm
BFS
-
JFK
26h 05m
1 stop
$794Multiple Airlines
Wed, Jun 3 - Mon, Jun 8
Multiple Airlines Logo
6:20 pm - 10:05 am
JFK
-
BFS
10h 45m
1 stop
Multiple Airlines Logo
9:35 pm - 3:55 pm
BFS
-
JFK
23h 20m
1 stop
$795Multiple Airlines
Sun, Oct 11 - Wed, Oct 14
Multiple Airlines Logo
11:10 pm - 8:20 pm
JFK
-
BFS
16h 10m
2 stops
Multiple Airlines Logo
8:50 am - 8:05 pm
BFS
-
JFK
40h 15m
3 stops
$797Multiple Airlines
Sat, May 30 - Tue, Jun 9
Multiple Airlines Logo
8:30 pm - 9:10 pm
JFK
-
BFS
19h 40m
2 stops
Multiple Airlines Logo
7:00 am - 11:55 am
BFS
-
JFK
33h 55m
3 stops
$798Multiple Airlines
Wed, Jun 3 - Mon, Jun 8

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 May 6, 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

Cheapest round-trip

NewarkBelfast

EWR - BFS

EWRBFS

Newark

Tue 8/25

8:25 pm-7:50 pm

3 stops18h 25m

Belfast Intl

Tue 9/1

8:50 am-7:15 pm

3 stops39h 25m

$761

New YorkBelfast

JFK - BFS

JFKBFS

New York John F Kennedy Intl

Tue 8/25

8:30 pm-7:50 pm

3 stops18h 20m

Belfast Intl

Tue 9/1

8:50 am-7:20 pm

3 stops39h 30m

$763

New YorkBelfast

JFK - BFS

JFKBFS

New York John F Kennedy Intl

Sun 10/25

8:25 pm-8:05 pm

3 stops19h 40m

Belfast Intl

Thu 10/29

2:40 pm-1:25 pm

2 stops26h 45m

$771

NewarkBelfast

EWR - BFS

EWRBFS

Newark

Sun 10/11

8:25 pm-12:15 am

3 stops22h 50m

Belfast Intl

Wed 10/14

8:10 pm-7:15 pm

3 stops28h 05m

$777

New YorkBelfast

JFK - BFS

JFKBFS

New York John F Kennedy Intl

Sun 5/31

8:30 pm-6:50 pm

2 stops17h 20m

Belfast Intl

Tue 6/9

8:50 am-8:05 pm

3 stops40h 15m

$780

NewarkBelfast

EWR - BFS

EWRBFS

Newark

Mon 6/1

8:25 pm-11:20 pm

3 stops21h 55m

Belfast Intl

Mon 6/8

8:15 pm-9:00 pm

3 stops29h 45m

$794

New YorkBelfast

JFK - BFS

JFKBFS

New York John F Kennedy Intl

Wed 6/3

6:20 pm-12:20 pm

1 stop13h 00m

Belfast Intl

Mon 6/8

6:50 pm-3:55 pm

1 stop26h 05m

$794
Quickest round-trip

New YorkBelfast

JFK - BFS

JFKBFS

New York John F Kennedy Intl

Sun 10/11

6:20 pm-10:05 am

1 stop10h 45m

Belfast Intl

Wed 10/14

9:35 pm-3:55 pm

1 stop23h 20m

$795

New YorkBelfast

JFK - BFS

JFKBFS

New York John F Kennedy Intl

Sat 5/30

11:10 pm-8:20 pm

2 stops16h 10m

Belfast Intl

Tue 6/9

8:50 am-8:05 pm

3 stops40h 15m

$797

New YorkBelfast

JFK - BFS

JFKBFS

New York John F Kennedy Intl

Wed 6/3

8:30 pm-9:10 pm

2 stops19h 40m

Belfast Intl

Mon 6/8

7:00 am-11:55 am

3 stops33h 55m

$798

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 March is your next best option. Flight prices from United States to Belfast Intl Airport during March average around $513.

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 ANGELESOctober27% 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 ANGELESJune62% more expensiveIt costs about $1,411 for flights to Belfast Intl Airport from Los Angeles in June
MOST POPULAR MONTH TO FLY TO BELFAST INTL AIRPORT FROM LOS ANGELESJuly1,200% 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

$310

Best Round-Trip Price

$761

Fastest flight time

21h 45m

Popular in

December
The best one-way flight price to Belfast from United States in the last 72 hours is $310 (Seattle/Tacoma Intl to Belfast Intl).
Search Deals
The best round-trip flight price to Belfast from United States in the last 72 hours is $761 (Newark to Belfast Intl).
Search Deals
The fastest flight to Belfast from United States takes 21h 45m (Los Angeles to Belfast Intl).
Search Deals
December has the highest demand for flights to Belfast, with a 0% 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 $167. 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 76% 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 93% of our users opting to fly with them when traveling to Belfast Intl Airport. Other popular options include Delta and American Airlines. 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 May 2026, there are 8 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.

An easier way to manage your Belfast Intl trip

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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 $523
Delta
American Airlines flights to Belfast Intl Airportfrom $705