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

What is the cheapest month to fly to Belfast?

Accepted Answer

In general, June 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 $670. If you don’t want to visit Belfast in June, then you should wait until February to fly from United States, when ticket prices are also cheap, with an average price of $742.

Question 6

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 7

Is there a cheaper alternative to flying into Belfast?

Accepted Answer

Belfast City Airport has an average price of $176 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 8

What is the absolute cheapest flight to Belfast?

Accepted Answer

$26 is the cheapest deal found on momondo in the last two weeks for a flight to Belfast. This flight is from Edinburgh and is 90% 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 9

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 10

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 11

When did momondo last update prices for flights to Belfast?

Accepted Answer

Prices for flights to Belfast were last updated today.

Question 12

How many operators does momondo search for flights to Belfast?

Accepted Answer

As of August 2025, there are 9 operators available to choose from for flights to Belfast.

Question 13

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 14

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 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 35m on average. On the other hand, flying from Miami to Belfast Intl takes 15h 20m 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.

Question 16

What is the cheapest time of day to depart on your flight to Belfast?

Accepted Answer

Our data shows that the cheapest United States to Belfast flights are usually those with departure times in the afternoon. Our users have found flights to Belfast in the afternoon for as low as $666. Try not to purchase tickets in the evening because they tend to be around $723. Of course, these prices can vary depending on the time of year and what airport you fly to.

Question 17

What is the cheapest day to depart on your flight to Belfast?

Accepted Answer

The cheapest day to depart from United States to Belfast is on a Monday when prices can be found for as low as $654. When flying out on a Saturday, the most expensive travel day of the week, you can expect to see flight prices from United States to Belfast for around $845.

CHEAPEST MONTH TO FLY TO BELFAST FROM LOS ANGELES	September	16% cheaper	Flying from Los Angeles to Belfast costs on average just $693 in September
MOST EXPENSIVE MONTH TO FLY TO BELFAST FROM LOS ANGELES	June	62% 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	350% more users visited	More momondo users searched in flights to Belfast from Los Angeles in August than any other month

Best One-Way Price	$168
Best Round-Trip Price	$482
Fastest flight time	10h 35m
Popular in	October

$168 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 10/7. 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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What is the cheapest day to depart on your flight to Belfast?

The cheapest day to depart from United States to Belfast is on a Monday when prices can be found for as low as $654. When flying out on a Saturday, the most expensive travel day of the week, you can expect to see flight prices from United States to Belfast for around $845.

What is the cheapest time of day to depart on your flight to Belfast?

How long does it take to fly to Belfast?

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Best One-Way Price

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Frequently asked questions about flying to Belfast

What is the cheapest month to fly 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?

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Popular flights to Belfast

Popular routes according to searches in the past day on momondo