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Cheap flights from Las Vegas to Belfast from $874

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Las Vegas to Belfast departing on 12/6. 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

Find the cheapest flights from Las Vegas to Belfast

Cheap round-trip flights

Enter your travel dates to find the best prices.
British Airways Logo
8:55 pm - 6:40 pmLAS  Las Vegas Harry Reid Intl-BHD Belfast City
13h 45m1 stop London Heathrow
British Airways Logo
6:35 am - 6:50 pmBHD  Belfast City-LAS Las Vegas Harry Reid Intl
20h 15m1 stop London Heathrow
$874British Airways
Sun, Dec 6 - Thu, Dec 10
Multiple Airlines Logo
6:50 am - 10:20 pmLAS  Las Vegas Harry Reid Intl-BFS Belfast Intl
31h 30m3 stops Vancouver Intl Zurich Manchester
Multiple Airlines Logo
6:10 am - 8:47 amBFS  Belfast Intl-LAS Las Vegas Harry Reid Intl
34h 37m3 stops London Gatwick Montreal Pierre Elliott Trudeau Intl Toronto Pearson Intl
$1,048Multiple Airlines
Wed, Sep 9 - Wed, Sep 16
British Airways Logo
2:37 pm - 6:40 pmLAS  Las Vegas Harry Reid Intl-BHD Belfast City
20h 03m2 stops Los Angeles London Heathrow
British Airways Logo
11:05 am - 6:50 pmBHD  Belfast City-LAS Las Vegas Harry Reid Intl
15h 45m1 stop London Heathrow
$1,099British Airways
Sun, Dec 6 - Thu, Dec 10
Multiple Airlines Logo
6:50 am - 10:20 pmLAS  Las Vegas Harry Reid Intl-BFS Belfast Intl
31h 30m3 stops Vancouver Intl Zurich Manchester
Multiple Airlines Logo
6:15 am - 9:40 pmBFS  Belfast Intl-LAS Las Vegas Harry Reid Intl
23h 25m2 stops Paris Charles de Gaulle Calgary
$1,114Multiple Airlines
Wed, Sep 9 - Wed, Sep 16
Multiple Airlines Logo
12:10 pm - 1:45 pmLAS  Las Vegas Harry Reid Intl-BFS Belfast Intl
17h 35m2 stops Toronto Pearson Intl Paris Charles de Gaulle
Multiple Airlines Logo
6:15 am - 9:40 pmBFS  Belfast Intl-LAS Las Vegas Harry Reid Intl
23h 25m2 stops Paris Charles de Gaulle Calgary
$1,256Multiple Airlines
Wed, Sep 9 - Wed, Sep 16
British Airways Logo
2:37 pm - 6:40 pmLAS  Las Vegas Harry Reid Intl-BHD Belfast City
20h 03m2 stops Los Angeles London Heathrow
British Airways Logo
7:40 am - 10:29 pmBHD  Belfast City-LAS Las Vegas Harry Reid Intl
22h 49m2 stops London Heathrow Los Angeles
$1,335British Airways
Sun, Dec 6 - Thu, Dec 10
British Airways Logo
9:00 am - 10:45 amLAS  Las Vegas Harry Reid Intl-BHD Belfast City
17h 45m2 stops New York John F Kennedy Intl London Heathrow
British Airways Logo
12:00 pm - 8:00 pmBHD  Belfast City-LAS Las Vegas Harry Reid Intl
16h 00m1 stop London Heathrow
$1,684British Airways
Tue, Oct 13 - Fri, Oct 23
British Airways Logo
9:00 am - 10:45 amLAS  Las Vegas Harry Reid Intl-BHD Belfast City
17h 45m2 stops New York John F Kennedy Intl London Heathrow
British Airways Logo
12:00 pm - 8:00 pmBHD  Belfast City-LAS Las Vegas Harry Reid Intl
16h 00m1 stop London Heathrow
$1,688British Airways
Tue, Oct 13 - Fri, Oct 23
British Airways Logo
9:00 am - 10:45 amLAS  Las Vegas Harry Reid Intl-BHD Belfast City
17h 45m2 stops New York John F Kennedy Intl London Heathrow
British Airways Logo
12:00 pm - 8:00 pmBHD  Belfast City-LAS Las Vegas Harry Reid Intl
16h 00m1 stop London Heathrow
$1,689British Airways
Tue, Oct 13 - Fri, Oct 23
British Airways Logo
3:56 pm - 5:35 pmLAS  Las Vegas Harry Reid Intl-BHD Belfast City
17h 39m2 stops Seattle/Tacoma Intl London Heathrow
British Airways Logo
9:35 am - 7:46 pmBHD  Belfast City-LAS Las Vegas Harry Reid Intl
18h 11m2 stops London Heathrow Dallas/Fort Worth
$1,694British Airways
Tue, Oct 13 - Fri, Oct 23

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British Airways flights from Las Vegas to Belfast

Our best British Airways deals on Las Vegas to Belfast flight tickets
British Airways
Dec 6
LAS8:55 pmLas Vegas Harry Reid Intl
13h 45m
1 stop
BHD6:40 pmBelfast City
Dec 10
BHD6:35 amBelfast City
20h 15m
1 stop
LAS6:50 pmLas Vegas Harry Reid Intl
$874
British Airways
Dec 6
LAS2:37 pmLas Vegas Harry Reid Intl
20h 03m
2 stops
BHD6:40 pmBelfast City
Dec 10
BHD11:05 amBelfast City
15h 45m
1 stop
LAS6:50 pmLas Vegas Harry Reid Intl
$1,099
British Airways
Dec 6
LAS2:37 pmLas Vegas Harry Reid Intl
20h 03m
2 stops
BHD6:40 pmBelfast City
Dec 10
BHD7:40 amBelfast City
22h 49m
2 stops
LAS10:29 pmLas Vegas Harry Reid Intl
$1,335

momondo Fare Finder

 
Customize your flight search to find flights from Las Vegas to Belfast 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 August 14, 2026.
Use the filters below to find and compare flights from Las Vegas to Belfast that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Las VegasBelfast

LAS Las Vegas Harry Reid Intl - BHD Belfast City

LASBHD

Las Vegas Harry Reid Intl

Sun 12/6

8:55 pm-6:40 pm

1 stop13h 45m

Belfast City

Thu 12/10

6:35 am-6:50 pm

1 stop20h 15m

$874

Las VegasBelfast

LAS Las Vegas Harry Reid Intl - BFS Belfast Intl

LASBFS

Las Vegas Harry Reid Intl

Wed 9/9

6:50 am-10:20 pm

3 stops31h 30m

Belfast Intl

Wed 9/16

6:10 am-8:47 am

3 stops34h 37m

$1,048

Las VegasBelfast

LAS Las Vegas Harry Reid Intl - BHD Belfast City

LASBHD

Las Vegas Harry Reid Intl

Sun 12/6

2:37 pm-6:40 pm

2 stops20h 03m

Belfast City

Thu 12/10

11:05 am-6:50 pm

1 stop15h 45m

$1,099

Las VegasBelfast

LAS Las Vegas Harry Reid Intl - BFS Belfast Intl

LASBFS

Las Vegas Harry Reid Intl

Wed 9/9

6:50 am-10:20 pm

3 stops31h 30m

Belfast Intl

Wed 9/16

6:15 am-9:40 pm

2 stops23h 25m

$1,114

Las VegasBelfast

LAS Las Vegas Harry Reid Intl - BFS Belfast Intl

LASBFS

Las Vegas Harry Reid Intl

Wed 9/9

12:10 pm-1:45 pm

2 stops17h 35m

Belfast Intl

Wed 9/16

6:15 am-9:40 pm

2 stops23h 25m

$1,256

Las VegasBelfast

LAS Las Vegas Harry Reid Intl - BHD Belfast City

LASBHD

Las Vegas Harry Reid Intl

Sun 12/6

2:37 pm-6:40 pm

2 stops20h 03m

Belfast City

Thu 12/10

7:40 am-10:29 pm

2 stops22h 49m

$1,335
Quickest round-trip

Las VegasBelfast

LAS Las Vegas Harry Reid Intl - BHD Belfast City

LASBHD

Las Vegas Harry Reid Intl

Tue 10/13

9:00 am-10:45 am

2 stops17h 45m

Belfast City

Fri 10/23

12:00 pm-8:00 pm

1 stop16h 00m

$1,684

Las VegasBelfast

LAS Las Vegas Harry Reid Intl - BHD Belfast City

LASBHD

Las Vegas Harry Reid Intl

Tue 10/13

9:00 am-10:45 am

2 stops17h 45m

Belfast City

Fri 10/23

12:00 pm-8:00 pm

1 stop16h 00m

$1,688

Las VegasBelfast

LAS Las Vegas Harry Reid Intl - BHD Belfast City

LASBHD

Las Vegas Harry Reid Intl

Tue 10/13

9:00 am-10:45 am

2 stops17h 45m

Belfast City

Fri 10/23

12:00 pm-8:00 pm

1 stop16h 00m

$1,689

Las VegasBelfast

LAS Las Vegas Harry Reid Intl - BHD Belfast City

LASBHD

Las Vegas Harry Reid Intl

Tue 10/13

3:56 pm-5:35 pm

2 stops17h 39m

Belfast City

Fri 10/23

9:35 am-7:46 pm

2 stops18h 11m

$1,694

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

Cheap Las Vegas to Belfast flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Las Vegas to Belfast

Fastest flight time

15h 15m

Direct flights

None
The fastest flight from Las Vegas to Belfast takes 15h 15m
There are no direct flights from Las Vegas to Belfast. There are no popular flight routes from Las Vegas to Belfast.
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Frequently asked questions about flying from Las Vegas to Belfast

  • How far is Las Vegas Harry Reid Intl to Belfast by plane?

    Las Vegas Harry Reid Intl and Belfast are 4895.1 mi apart from one another. In terms of flight time, this usually takes a little over 15h 15m.

  • When did momondo last update prices for flights from Las Vegas Harry Reid Intl Airport to Belfast?

    Prices for flights from Las Vegas Harry Reid Intl Airport to Belfast are refreshed on a daily basis.

  • How old do you have to be to fly from Las Vegas Harry Reid Intl Airport 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 from Las Vegas Harry Reid Intl Airport to Belfast.

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

    The required travel and health documents for your Belfast 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. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Frequently asked questions about flying from Las Vegas to Belfast

  • How do I get Price Alerts for flights from Las Vegas to Belfast?

    Search flight deals from Las Vegas to Belfast. While viewing offers you’ll have the option to create a Price Alert.

  • How can I save money on flights from Las Vegas to Belfast with momondo?

    With “Price Forecast”, learn how soon you should book your flight in advance. Down to the day of week and time of day, our information can inform you on the ideal time to book to save on your travel. Our “Price Calendar” shows you at a quick glance when to book your travel for lower rates. By setting “Price Alerts” you can monitor changes in price and target the ideal time to book. Search for your trip destination by budget amount via our “Explore” feature. Whether you’re looking for ideas for your next travel adventure or cost-cutting tips, our “Discover” content is a great place to start.

  • How does momondo find its flight prices?

    momondo shows deals across 700+ competitors all at once. momondo is active in 30 international markets, so you can have access to a wide range of options from airlines and OTAs alike.

Why use momondo?

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Las Vegas to Belfast. momondo saves you time and could save you money on your trip.

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

Yes. momondo enables you to select and highlight flights to Belfast from Las Vegas with this policy.

How can momondo help me find flights from Las Vegas to Belfast?

Once you have performed a search for Las Vegas to Belfast flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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

Of course. momondo tracks the price of Las Vegas to Belfast flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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Find better results for your trip to the United Kingdom

Fly into one of these airports located in Belfast

Airports listed have a maximum distance of 12.2 mi from Belfast
Belfast Intl Airport
Belfast City Airport