Question 1

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

Accepted Answer

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.

Question 2

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

Accepted Answer

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.

Question 3

How can momondo help me find flights to Belfast?

Accepted Answer

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.

Question 4

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

Accepted Answer

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.

Question 5

Is there an alternative airport near Belfast?

Accepted Answer

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.

Question 6

Is there a cheaper alternative to flying into Belfast?

Accepted Answer

Belfast City Airport has an average price of $147 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.

Question 7

What is the absolute cheapest flight to Belfast?

Accepted Answer

$42 is the cheapest deal found on momondo in the last two weeks for a flight to Belfast. This flight is from London and is 72% cheaper than most flights to Belfast. To find the cheapest price to Belfast from your area, use momondo’s Airport-to-Airport Pricing Tool.

Question 8

What’s the closest airport to Cathedral Quarter?

Accepted Answer

At 2.5 mi away, Belfast City airport in Belfast is the closest to Cathedral Quarter.

Question 9

Which airlines fly to Belfast?

Accepted Answer

Based on our data, the most popular airlines that fly to Belfast from United States are British Airways, American Airlines, Delta and Aer Lingus. There may also be other airline options depending on where in United States you’re flying from.

Question 10

When did momondo last update prices for flights to Belfast?

Accepted Answer

Prices for flights to Belfast were last updated today.

Question 11

How many operators does momondo search for flights to Belfast?

Accepted Answer

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

Question 12

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

Accepted Answer

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.

Question 13

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

Accepted Answer

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.

Question 14

What is the cheapest month to fly to Belfast?

Accepted Answer

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 September to fly from United States, when ticket prices are also cheap, with an average price of $556.

Question 15

How long does it take to fly to Belfast?

Accepted Answer

Flight times vary depending on what airport in United States you fly out of and what airport in Belfast you fly into. For example, flying from Los Angeles to Belfast Intl takes 13h 50m on average. On the other hand, flying from Miami to Belfast Intl takes 11h 15m on average. Keep in mind that it’s always quicker to opt for a non-stop flight, so be sure to check momondo if there are any available for your route.

CHEAPEST MONTH TO FLY TO BELFAST FROM LOS ANGELES	October	31% cheaper	Flying from Los Angeles to Belfast costs on average just $633 in October
MOST EXPENSIVE MONTH TO FLY TO BELFAST FROM LOS ANGELES	June	46% more expensive	It costs about $1,336 for flights to Belfast from Los Angeles in June
MOST POPULAR MONTH TO FLY TO BELFAST FROM LOS ANGELES	August	400% more users visited	More momondo users searched in flights to Belfast from Los Angeles in August than any other month

Best One-Way Price	$258
Best Round-Trip Price	$517
Fastest flight time	11h 15m
Popular in	December

$258 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 3/20. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

Big names and deals

Big names and deals

Filter for what you want

Filter for what you want

Trusted and free

Trusted and free

Price Alerts

Price Alerts

Find the cheapest flights from the United States to Belfast

Cheap round-trip flights

Cheap one-way flights

Cheap last minute flights

momondo Fare Finder

Use the filters below to find and compare flights to Belfast that are best for you.

See travel insights to Belfast from

Belfast flights insights and trends

What is the cheapest month to fly to Belfast?

How long does it take to fly to Belfast?

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

Best Round-Trip Price

Fastest flight time

Popular in

Frequently asked questions about flying to Belfast

Is there an alternative airport near Belfast?

Is there a cheaper alternative to flying into Belfast?

What is the absolute cheapest flight to Belfast?

What’s the closest airport to Cathedral Quarter?

When did momondo last update prices for flights to Belfast?

How many operators does momondo search for flights to Belfast?

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

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

Why use momondo?

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

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

How can momondo help me find flights to Belfast?

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

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.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to Belfast

Popular flights to Belfast

Popular routes according to searches in the past day on momondo