How long is the flight from Las Vegas to Northern Ireland?

Departing from Las Vegas to Northern Ireland will take you 18h 35m. Las Vegas and Northern Ireland are separated by a distance of 4902 mi.

In terms of precipitation, rainfall in Northern Ireland ranges from 2.0 - 3.5 inches per month. October is typically the wettest month, when rainfall can reach 3.5 in. April is typically the driest time to visit Northern Ireland when rainfall is around 2.0 in.

If weather is an important factor for your trip to Northern Ireland, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 60.8 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 41.0 F).

What is the cheapest time of day to fly from LAS to NIR?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Las Vegas to Northern Ireland as you normally would.

What airport do you fly from for flights from Las Vegas to Northern Ireland?

For a flight from Las Vegas to Northern Ireland, you will be flying from Harry Reid Intl. Las Vegas Harry Reid Intl (LAS) is just 6.2 mi from the center of the city.

Can I find deals for flights from Las Vegas to Northern Ireland that include hotel bookings?

Yes. In addition to deals on Las Vegas to Northern Ireland flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from Las Vegas to Northern Ireland?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Las Vegas to Northern Ireland.

Can I find deals for business class flights from Las Vegas to Northern Ireland?

Yes. Cheapflights offers flight deals from Las Vegas to Northern Ireland by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

$829+ Flights from Las Vegas to Northern Ireland

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Cheap flight deals from Las Vegas to Northern Ireland

Best flights from Las Vegas to Northern Ireland
Discover carefully curated flight deals from Las Vegas to Northern Ireland that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 16, 2025.

Thu 2/55:55 pmLAS - BHD

2 stops18h 35mBritish Airways

Mon 2/95:45 pmBHD - LAS

1 stop33h 05mBritish Airways

Deal found 12/14

$829

Thu 1/291:43 pmLAS - BHD

2 stops18h 57mBritish Airways

Mon 2/26:35 amBHD - LAS

2 stops22h 25mBritish Airways

Deal found 12/14

$839

Last-minute flights from Las Vegas to Northern Ireland
Discover last-minute flight deals from Las Vegas to Northern Ireland. Data last updated December 16, 2025 and is based on user searches.

Thu 1/2912:00 pmLAS - BHD

2 stops22h 50mBritish Airways

Mon 2/25:45 pmBHD - LAS

1 stop33h 05mBritish Airways

Deal found 12/14

$829

Find flight deals from Las Vegas to Northern Ireland

Round-trip from	$829 (British Airways)

From Las Vegas Harry Reid Intl to Northern Ireland

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Fly to

Route

Depart

Return

Price

Las VegasBelfast

LAS - BHD

LASBHD

Las Vegas Harry Reid Intl

Thu 2/5

5:55 pm-8:30 pm

2 stops18h 35m

Belfast City

Mon 2/9

5:45 pm-6:50 pm

1 stop33h 05m

$829

Las VegasBelfast

LAS - BHD

LASBHD

Las Vegas Harry Reid Intl

Thu 1/29

1:43 pm-4:40 pm

2 stops18h 57m

Belfast City

Mon 2/2

6:35 am-9:00 pm

2 stops22h 25m

$839

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/14

Best time to book a flight from Las Vegas to Northern Ireland

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Estimated round-trip price

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Related info for your journey

What airport do you fly from for flights from Las Vegas to Northern Ireland?
For a flight from Las Vegas to Northern Ireland, you will be flying from Harry Reid Intl. Las Vegas Harry Reid Intl (LAS) is just 6.2 mi from the center of the city.
How long is the flight from Las Vegas to Northern Ireland?
Departing from Las Vegas to Northern Ireland will take you 18h 35m. Las Vegas and Northern Ireland are separated by a distance of 4902 mi.
Can I find deals for flights from Las Vegas to Northern Ireland that include hotel bookings?
Yes. In addition to deals on Las Vegas to Northern Ireland flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Las Vegas to Northern Ireland?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Las Vegas to Northern Ireland.
Can I find deals for business class flights from Las Vegas to Northern Ireland?
Yes. Cheapflights offers flight deals from Las Vegas to Northern Ireland by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

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$829+ Cheap flights from Las Vegas (LAS) to Northern Ireland

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 1/29. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Las Vegas to Northern Ireland with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from Las Vegas to Northern Ireland

Best flights from Las Vegas to Northern IrelandDiscover carefully curated flight deals from Las Vegas to Northern Ireland that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 16, 2025.

Discover carefully curated flight deals from Las Vegas to Northern Ireland that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 16, 2025.

Find flight deals from Las Vegas to Northern Ireland

Keep the following information in mind while searching for Las Vegas to Northern Ireland flight deals. Data was last updated December 16, 2025.

Round-trip from

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Use the filters below to find and compare flights from Las Vegas to Northern Ireland that are best for you.

Best time to book a flight from Las Vegas to Northern Ireland

Have a flexible travel schedule? Discover the best time to fly to Northern Ireland from Las Vegas with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from Las Vegas to Northern Ireland

Related info for your journey

Find useful and relevant information for your journey from Las Vegas to Northern Ireland. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

What airport do you fly from for flights from Las Vegas to Northern Ireland?

How long is the flight from Las Vegas to Northern Ireland?

Can I find deals for flights from Las Vegas to Northern Ireland that include hotel bookings?

How can I find direct flights from Las Vegas to Northern Ireland?

Can I find deals for business class flights from Las Vegas to Northern Ireland?

Browse thousands of different options on Cheapflights for your next trip

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Best flights from Las Vegas to Northern Ireland
Discover carefully curated flight deals from Las Vegas to Northern Ireland that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 16, 2025.