Latest deals
Insights
When to book
FAQs
Price Alerts
Flights to Belfast

$263 Cheap flights to Belfast

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 departing on 9/17. 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
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Find the cheapest flights from the United States to Belfast

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
6:20 pm - 12:20 pm
JFK
-
BFS
13h 00m
1 stop
Multiple Airlines Logo
8:40 pm - 3:55 pm
BFS
-
JFK
24h 15m
1 stop
$607Multiple Airlines
Sun, Sep 13 - Thu, Sep 17
Multiple Airlines Logo
6:20 pm - 12:20 pm
JFK
-
BFS
13h 00m
1 stop
Multiple Airlines Logo
8:15 pm - 3:55 pm
BFS
-
JFK
24h 40m
1 stop
$621Multiple Airlines
Sun, Sep 13 - Wed, Sep 16
Multiple Airlines Logo
6:20 pm - 12:20 pm
JFK
-
BFS
13h 00m
1 stop
Multiple Airlines Logo
8:15 pm - 3:55 pm
BFS
-
JFK
24h 40m
1 stop
$627Multiple Airlines
Sun, Sep 13 - Sat, Sep 19
Multiple Airlines Logo
6:20 pm - 12:20 pm
JFK
-
BFS
13h 00m
1 stop
Multiple Airlines Logo
7:55 pm - 3:55 pm
BFS
-
JFK
25h 00m
1 stop
$632Multiple Airlines
Sun, Sep 13 - Fri, Sep 18
Multiple Airlines Logo
11:10 pm - 11:25 pm
JFK
-
BFS
19h 15m
2 stops
Multiple Airlines Logo
10:00 pm - 10:25 pm
BFS
-
JFK
29h 25m
3 stops
$672Multiple Airlines
Sat, Sep 12 - Sun, Sep 20
British Airways Logo
9:45 pm - 4:50 pm
IAD
-
BHD
14h 05m
1 stop
British Airways Logo
6:30 am - 3:35 pm
BHD
-
IAD
14h 05m
1 stop
$911British Airways
Sun, Dec 6 - Sun, Dec 13
British Airways Logo
10:45 pm - 1:55 pm
IAD
-
BHD
11h 10m
1 stop
British Airways Logo
6:30 am - 3:35 pm
BHD
-
IAD
14h 05m
1 stop
$912British Airways
Sun, Oct 25 - Sun, Nov 15
KLM Logo
6:30 pm - 4:50 pm
DFW
-
BHD
16h 20m
2 stops
KLM Logo
5:20 pm - 5:35 pm
BHD
-
DFW
30h 15m
2 stops
$970KLM
Sun, Nov 15 - Thu, Nov 19
American Airlines Logo
5:25 pm - 11:10 am
DFW
-
BHD
11h 45m
1 stop
American Airlines Logo
11:30 am - 7:10 pm
BHD
-
DFW
13h 40m
1 stop
$984American Airlines
Sat, Nov 14 - Fri, Nov 20
Delta Logo
9:40 am - 9:10 am
DFW
-
BHD
17h 30m
2 stops
Delta Logo
9:40 am - 12:13 am
BHD
-
DFW
20h 33m
2 stops
$1,000Delta
Wed, Nov 11 - Thu, Nov 19

momondo Fare Finder

 
Locate flights to Belfast 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 June 25, 2026.
Use the filters below to find and compare flights to Belfast that are best for you.

Fly from

Route

Depart

Return

Price

Cheapest round-trip

New YorkBelfast

JFK - BFS

JFKBFS

New York John F Kennedy Intl

Sun 9/13

6:20 pm-12:20 pm

1 stop13h 00m

Belfast Intl

Thu 9/17

8:40 pm-3:55 pm

1 stop24h 15m

$607

New YorkBelfast

JFK - BFS

JFKBFS

New York John F Kennedy Intl

Sun 9/13

6:20 pm-12:20 pm

1 stop13h 00m

Belfast Intl

Wed 9/16

8:15 pm-3:55 pm

1 stop24h 40m

$621

New YorkBelfast

JFK - BFS

JFKBFS

New York John F Kennedy Intl

Sun 9/13

6:20 pm-12:20 pm

1 stop13h 00m

Belfast Intl

Sat 9/19

8:15 pm-3:55 pm

1 stop24h 40m

$627

New YorkBelfast

JFK - BFS

JFKBFS

New York John F Kennedy Intl

Sun 9/13

6:20 pm-12:20 pm

1 stop13h 00m

Belfast Intl

Fri 9/18

7:55 pm-3:55 pm

1 stop25h 00m

$632

New YorkBelfast

JFK - BFS

JFKBFS

New York John F Kennedy Intl

Sat 9/12

11:10 pm-11:25 pm

2 stops19h 15m

Belfast Intl

Sun 9/20

10:00 pm-10:25 pm

3 stops29h 25m

$672

Washington, D.C.Belfast

IAD - BHD

IADBHD

Washington, D.C. Dulles Intl

Sun 12/6

9:45 pm-4:50 pm

1 stop14h 05m

Belfast City

Sun 12/13

6:30 am-3:35 pm

1 stop14h 05m

$911
Quickest round-trip

Washington, D.C.Belfast

IAD - BHD

IADBHD

Washington, D.C. Dulles Intl

Sun 10/25

10:45 pm-1:55 pm

1 stop11h 10m

Belfast City

Sun 11/15

6:30 am-3:35 pm

1 stop14h 05m

$912

DallasBelfast

DFW - BHD

DFWBHD

Dallas/Fort Worth

Sun 11/15

6:30 pm-4:50 pm

2 stops16h 20m

Belfast City

Thu 11/19

5:20 pm-5:35 pm

2 stops30h 15m

$970

DallasBelfast

DFW - BHD

DFWBHD

Dallas/Fort Worth

Sat 11/14

5:25 pm-11:10 am

1 stop11h 45m

Belfast City

Fri 11/20

11:30 am-7:10 pm

1 stop13h 40m

$984

DallasBelfast

DFW - BHD

DFWBHD

Dallas/Fort Worth

Wed 11/11

9:40 am-9:10 am

2 stops17h 30m

Belfast City

Thu 11/19

9:40 am-12:13 am

2 stops20h 33m

$1,000

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 from

Belfast flights insights and trends

Explore insights for your Belfast flight to craft the best travel plan

What is the cheapest month to fly to Belfast?

In general, November is the cheapest month to fly from United States to Belfast. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $460. If you don’t want to visit Belfast in November, then you should wait until April to fly from United States, when ticket prices are also cheap, with an average price of $523.

Cheapest flights to Belfast

Find the cheapest flights to Belfast from your nearest city or airport

Cheap Belfast flight deals and tips

Summary info about Belfast flight prices, duration and airlines

Best One-Way Price

$263

Best Round-Trip Price

$607

Fastest flight time

14h 27m

Popular in

December
The best one-way flight price to Belfast from United States in the last 5 days is $263 (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 5 days is $607 (New York John F Kennedy Intl to Belfast Intl).
Search Deals
The fastest flight to Belfast from United States takes 14h 27m (Dallas/Fort Worth to Belfast City).
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

Is there an alternative airport near Belfast?

Those flying to Belfast could potentially find better pricing at Belfast City Airport (3 mi from Belfast city center), Londonderry Eglinton Airport (58 mi from Belfast city center), Campbeltown Machrihanish Airport (59 mi from Belfast city center), Isle of Islay Glenegedale Airport (76 mi from Belfast city center) or Glasgow Prestwick Airport (82 mi from Belfast city center) depending on the month and departure airport.

Is there a cheaper alternative to flying into Belfast?

Belfast City Airport has an average price of $209 per person and is typically the cheapest airport to fly into when visiting Belfast. This average price does vary based on departure city. Try momondo’s Airport-to-Airport Pricing Tool to find the cheapest flight.

What is the absolute cheapest flight to Belfast?

$31 is the cheapest deal found on momondo in the last two weeks for a flight to Belfast. This flight is from Edinburgh and is 88% cheaper than most flights to Belfast. To find the cheapest price to Belfast from your area, use momondo’s Airport-to-Airport Pricing Tool.

What’s the closest airport to Queen's Quarter?

At 12.4 mi away, Belfast Intl airport in Belfast is the closest to Queen's Quarter.

When did momondo last update prices for flights to Belfast?

Prices for flights to Belfast were last updated today.

How many operators does momondo search for flights to Belfast?

As of June 2026, there are 9 operators available to choose from for flights to Belfast.

How old do you have to be to fly to Belfast?

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.

What documentation or ID do you need to fly to Belfast?

The travel and health documents you'll need for your trip to Belfast 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. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Why use momondo?

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

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Belfast.

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

momondo does allow users to show only those flights to Belfast which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights 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 filter your options to help you make an informed choice when booking flights to Belfast.

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

Price alerts on flights to Belfast 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.

An easier way to manage your Belfast trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Sat 7/25
Sat 8/1
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Belfast