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Flights to Belfast Intl

$325 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 9/13. 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
11:00 pm - 9:00 pm
BOS
-
BFS
17h 00m
2 stops
Multiple Airlines Logo
10:15 am - 9:15 pm
BFS
-
BOS
16h 00m
1 stop
$595Multiple Airlines
Thu, Sep 24 - Thu, Oct 22
Multiple Airlines Logo
6:20 pm - 8:55 pm
JFK
-
BFS
21h 35m
1 stop
Multiple Airlines Logo
8:55 pm - 3:55 pm
BFS
-
JFK
24h 00m
1 stop
$680Multiple Airlines
Tue, Oct 13 - Mon, Oct 19
Multiple Airlines Logo
11:00 pm - 9:00 pm
BOS
-
BFS
17h 00m
2 stops
Multiple Airlines Logo
10:15 am - 9:15 pm
BFS
-
BOS
16h 00m
1 stop
$696Multiple Airlines
Thu, Sep 17 - Thu, Oct 1
Multiple Airlines Logo
6:20 pm - 7:45 am
JFK
-
BFS
32h 25m
1 stop
Multiple Airlines Logo
6:20 am - 3:55 pm
BFS
-
JFK
14h 35m
1 stop
$707Multiple Airlines
Sat, Oct 3 - Sat, Oct 10
Multiple Airlines Logo
8:25 pm - 11:10 pm
EWR
-
BFS
21h 45m
2 stops
Multiple Airlines Logo
4:55 pm - 9:00 pm
BFS
-
EWR
33h 05m
2 stops
$756Multiple Airlines
Wed, Sep 16 - Wed, Sep 23
Multiple Airlines Logo
5:30 pm - 11:10 pm
EWR
-
BFS
24h 40m
3 stops
Multiple Airlines Logo
4:55 pm - 9:00 pm
BFS
-
EWR
33h 05m
2 stops
$770Multiple Airlines
Wed, Sep 16 - Wed, Sep 23
Multiple Airlines Logo
8:25 pm - 9:00 pm
EWR
-
BFS
19h 35m
2 stops
Multiple Airlines Logo
8:15 pm - 9:00 pm
BFS
-
EWR
29h 45m
3 stops
$773Multiple Airlines
Wed, May 27 - Wed, Jun 3
Multiple Airlines Logo
8:30 pm - 9:00 pm
JFK
-
BFS
19h 30m
2 stops
Multiple Airlines Logo
8:15 pm - 8:05 pm
BFS
-
JFK
28h 50m
3 stops
$773Multiple Airlines
Wed, May 27 - Wed, Jun 3
Multiple Airlines Logo
8:30 pm - 4:15 pm
JFK
-
BFS
14h 45m
2 stops
Multiple Airlines Logo
8:50 am - 8:05 pm
BFS
-
JFK
40h 15m
3 stops
$776Multiple Airlines
Mon, Jun 1 - Tue, Jun 9
Multiple Airlines Logo
8:25 pm - 8:25 pm
EWR
-
BFS
19h 00m
2 stops
Multiple Airlines Logo
8:15 pm - 9:00 pm
BFS
-
EWR
29h 45m
3 stops
$785Multiple Airlines
Mon, Jun 1 - Fri, Jun 5

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 April 30, 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
Quickest round-trip

BostonBelfast

BOS - BFS

BOSBFS

Boston Logan Intl

Thu 9/24

11:00 pm-9:00 pm

2 stops17h 00m

Belfast Intl

Thu 10/22

10:15 am-9:15 pm

1 stop16h 00m

$595

New YorkBelfast

JFK - BFS

JFKBFS

New York John F Kennedy Intl

Tue 10/13

6:20 pm-8:55 pm

1 stop21h 35m

Belfast Intl

Mon 10/19

8:55 pm-3:55 pm

1 stop24h 00m

$680

BostonBelfast

BOS - BFS

BOSBFS

Boston Logan Intl

Thu 9/17

11:00 pm-9:00 pm

2 stops17h 00m

Belfast Intl

Thu 10/1

10:15 am-9:15 pm

1 stop16h 00m

$696

New YorkBelfast

JFK - BFS

JFKBFS

New York John F Kennedy Intl

Sat 10/3

6:20 pm-7:45 am

1 stop32h 25m

Belfast Intl

Sat 10/10

6:20 am-3:55 pm

1 stop14h 35m

$707

NewarkBelfast

EWR - BFS

EWRBFS

Newark

Wed 9/16

8:25 pm-11:10 pm

2 stops21h 45m

Belfast Intl

Wed 9/23

4:55 pm-9:00 pm

2 stops33h 05m

$756

NewarkBelfast

EWR - BFS

EWRBFS

Newark

Wed 9/16

5:30 pm-11:10 pm

3 stops24h 40m

Belfast Intl

Wed 9/23

4:55 pm-9:00 pm

2 stops33h 05m

$770

NewarkBelfast

EWR - BFS

EWRBFS

Newark

Wed 5/27

8:25 pm-9:00 pm

2 stops19h 35m

Belfast Intl

Wed 6/3

8:15 pm-9:00 pm

3 stops29h 45m

$773

New YorkBelfast

JFK - BFS

JFKBFS

New York John F Kennedy Intl

Wed 5/27

8:30 pm-9:00 pm

2 stops19h 30m

Belfast Intl

Wed 6/3

8:15 pm-8:05 pm

3 stops28h 50m

$773

New YorkBelfast

JFK - BFS

JFKBFS

New York John F Kennedy Intl

Mon 6/1

8:30 pm-4:15 pm

2 stops14h 45m

Belfast Intl

Tue 6/9

8:50 am-8:05 pm

3 stops40h 15m

$776

NewarkBelfast

EWR - BFS

EWRBFS

Newark

Mon 6/1

8:25 pm-8:25 pm

2 stops19h 00m

Belfast Intl

Fri 6/5

8:15 pm-9:00 pm

3 stops29h 45m

$785

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

$325

Best Round-Trip Price

$595

Fastest flight time

13h 45m

Popular in

December
The best one-way flight price to Belfast from United States in the last 72 hours is $325 (Newark to Belfast Intl).
Search Deals
The best round-trip flight price to Belfast from United States in the last 72 hours is $595 (Boston Logan Intl to Belfast Intl).
Search Deals
The fastest flight to Belfast from United States takes 13h 45m (Washington, D.C. Dulles Intl 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 Londonderry Eglinton Airport where the average price is $127. 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 71% 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 91% of our users opting to fly with them when traveling to Belfast Intl Airport. Other popular options include American Airlines and Delta. 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 April 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.

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Find better results for your trip to Belfast Intl Airport BFS

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Popular routes according to searches in the past day on momondo
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