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Cheap flights from New York LaGuardia Airport to Belfast from $388

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from New York LaGuardia Airport to Belfast departing on 9/28. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Find the cheapest flights from New York LaGuardia Airport to Belfast

Cheap round-trip flights

Logo
3:50 pm - 1:00 pmLGA-BFS
16h 10m2 stops
Logo
6:10 am - 9:00 amBFS-LGA
31h 50m2 stops
$848
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Wed, Sep 24 - Wed, Oct 1
Logo
4:50 pm - 6:35 pmLGA-BFS
20h 45m2 stops
Logo
5:55 am - 3:54 pmBFS-LGA
14h 59m2 stops
$903
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Wed, Sep 24 - Tue, Sep 30
Logo
6:30 am - 10:20 pmLGA-BFS
34h 50m2 stops
Logo
6:10 am - 9:00 amBFS-LGA
31h 50m2 stops
$917
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Fri, Sep 26 - Mon, Sep 29
Logo
6:30 am - 10:20 pmLGA-BFS
34h 50m2 stops
Logo
6:10 am - 12:29 pmBFS-LGA
35h 19m3 stops
$987
Find Deal
Fri, Sep 26 - Mon, Sep 29

momondo Fare Finder

 
Customize your flight search to find flights from New York LaGuardia Airport to Belfast Intl Airport that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated September 15, 2025.
Use the filters below to find and compare flights from New York LaGuardia Airport to Belfast Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

New YorkBelfast

LGA - BFS

LGABFS

New York LaGuardia

Wed 9/24

3:50 pm-1:00 pm

2 stops16h 10m

Belfast Intl

Wed 10/1

6:10 am-9:00 am

2 stops31h 50m

$848

New YorkBelfast

LGA - BFS

LGABFS

New York LaGuardia

Wed 9/24

4:50 pm-6:35 pm

2 stops20h 45m

Belfast Intl

Tue 9/30

5:55 am-3:54 pm

2 stops14h 59m

$903

New YorkBelfast

LGA - BFS

LGABFS

New York LaGuardia

Fri 9/26

6:30 am-10:20 pm

2 stops34h 50m

Belfast Intl

Mon 9/29

6:10 am-9:00 am

2 stops31h 50m

$917

New YorkBelfast

LGA - BFS

LGABFS

New York LaGuardia

Fri 9/26

6:30 am-10:20 pm

2 stops34h 50m

Belfast Intl

Mon 9/29

6:10 am-12:29 pm

3 stops35h 19m

$987

New YorkBelfast

LGA - BFS

LGABFS

New York LaGuardia

Sun 9/28

6:30 am-8:20 pm

2 stops32h 50m

$388

New YorkBelfast

LGA - BFS

LGABFS

New York LaGuardia

Thu 9/25

5:45 pm-2:05 pm

2 stops15h 20m

$442

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

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How to get the cheapest flight ticket from New York LaGuardia Airport to Belfast Intl Airport

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

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 New York LaGuardia Airport to Belfast Intl Airport for around $845.

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 New York LaGuardia Airport 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.

When to book flights from New York LaGuardia Airport to Belfast Intl Airport

Are you open to changing your travel dates? Check out the ideal times to fly from New York LaGuardia Airport to Belfast Intl Airport according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap New York LaGuardia Airport to Belfast Intl Airport (LGA to BFS) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from New York LaGuardia Airport to Belfast Intl Airport

Direct flights

None
There are no direct flights from New York LaGuardia Airport to Belfast Intl Airport. There are no popular flight routes from New York LaGuardia Airport to Belfast Intl Airport.
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  • How far is New York LaGuardia to Belfast Intl by plane?

    A flight from New York LaGuardia to Belfast Intl will travel around 3150.6 mi. In terms of flight time, this usually takes a little over 16h 10m.

  • When did momondo last update prices for flights from New York LaGuardia Airport to Belfast Intl Airport?

    Prices for flights from New York LaGuardia Airport to Belfast Intl Airport are refreshed on a daily basis.

  • How old do you have to be to fly from New York LaGuardia Airport to Belfast Intl Airport?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from New York LaGuardia Airport to Belfast Intl Airport.

  • What documentation or ID do you need to fly to Belfast Intl Airport?

    The required travel and health documents for your Belfast Intl Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Belfast Intl Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Traveling to a place near Belfast?

Book flights to Belfast if you plan to visit one of these locations
Newry
Armagh
Cookstown
Dungannon

Why use momondo?

Why should I use momondo to find a flight deal from New York to Belfast?

Finding the right flight to Belfast from New York is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Belfast quick and easy, saving you time and money.

Can I find flights from New York to Belfast with flexible booking policies on momondo?

Flights from New York to Belfast with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from New York to Belfast?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Belfast from New York.

I’m not ready to book a flight from New York to Belfast right now. Can momondo alert me if prices change?

Price alerts on flights to Belfast from New York are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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