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Cheap flights from Las Vegas to Belfast from $1,202

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 6/15. 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
0 bags

Find the cheapest flights from Las Vegas to Belfast

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
8:30 am - 8:40 pm
LAS
-
BFS
28h 10m
3 stops
Multiple Airlines Logo
6:30 am - 12:30 pm
BFS
-
LAS
38h 00m
3 stops
$1,202Multiple Airlines
Mon, Jun 15 - Mon, Jun 22
Multiple Airlines Logo
12:35 pm - 8:40 pm
LAS
-
BFS
24h 05m
2 stops
Multiple Airlines Logo
6:30 am - 12:30 pm
BFS
-
LAS
38h 00m
3 stops
$1,205Multiple Airlines
Mon, Jun 15 - Mon, Jun 22
Multiple Airlines Logo
12:35 pm - 8:40 pm
LAS
-
BFS
24h 05m
2 stops
Multiple Airlines Logo
6:30 am - 5:15 pm
BFS
-
LAS
18h 45m
2 stops
$1,247Multiple Airlines
Mon, Jun 15 - Mon, Jun 22
Multiple Airlines Logo
5:50 pm - 10:40 am
LAS
-
BFS
32h 50m
1 stop
Multiple Airlines Logo
8:00 am - 5:15 pm
BFS
-
LAS
17h 15m
2 stops
$1,508Multiple Airlines
Mon, Jun 15 - Mon, Jun 22
Multiple Airlines Logo
1:45 pm - 10:50 pm
LAS
-
BFS
25h 05m
2 stops
Multiple Airlines Logo
5:55 am - 9:40 pm
BFS
-
LAS
23h 45m
3 stops
$1,680Multiple Airlines
Thu, Aug 20 - Wed, Aug 26
Multiple Airlines Logo
1:45 pm - 10:50 pm
LAS
-
BFS
25h 05m
2 stops
Multiple Airlines Logo
9:05 pm - 3:15 pm
BFS
-
LAS
26h 10m
2 stops
$1,814Multiple Airlines
Thu, Aug 20 - Wed, Aug 26

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Customize your flight search to find flights from Las Vegas to Belfast Intl Airport 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 May 2, 2026.
Use the filters below to find and compare flights from Las Vegas to Belfast Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Las VegasBelfast

LAS - BFS

LASBFS

Las Vegas Harry Reid Intl

Mon 6/15

8:30 am-8:40 pm

3 stops28h 10m

Belfast Intl

Mon 6/22

6:30 am-12:30 pm

3 stops38h 00m

$1,202

Las VegasBelfast

LAS - BFS

LASBFS

Las Vegas Harry Reid Intl

Mon 6/15

12:35 pm-8:40 pm

2 stops24h 05m

Belfast Intl

Mon 6/22

6:30 am-12:30 pm

3 stops38h 00m

$1,205
Quickest round-trip

Las VegasBelfast

LAS - BFS

LASBFS

Las Vegas Harry Reid Intl

Mon 6/15

12:35 pm-8:40 pm

2 stops24h 05m

Belfast Intl

Mon 6/22

6:30 am-5:15 pm

2 stops18h 45m

$1,247

Las VegasBelfast

LAS - BFS

LASBFS

Las Vegas Harry Reid Intl

Mon 6/15

5:50 pm-10:40 am

1 stop32h 50m

Belfast Intl

Mon 6/22

8:00 am-5:15 pm

2 stops17h 15m

$1,508

Las VegasBelfast

LAS - BFS

LASBFS

Las Vegas Harry Reid Intl

Thu 8/20

1:45 pm-10:50 pm

2 stops25h 05m

Belfast Intl

Wed 8/26

5:55 am-9:40 pm

3 stops23h 45m

$1,680

Las VegasBelfast

LAS - BFS

LASBFS

Las Vegas Harry Reid Intl

Thu 8/20

1:45 pm-10:50 pm

2 stops25h 05m

Belfast Intl

Wed 8/26

9:05 pm-3:15 pm

2 stops26h 10m

$1,814

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

When to book flights from Las Vegas to Belfast Intl Airport

Are you open to changing your travel dates? Check out the ideal times to fly from Las Vegas to Belfast Intl Airport according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Las Vegas to Belfast Intl Airport (LAS to BFS) flight deals and tips

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

Fastest flight time

14h 25m

Direct flights

None
The fastest flight from Las Vegas to Belfast Intl Airport takes 14h 25m
There are no direct flights from Las Vegas to Belfast Intl Airport. There are no popular flight routes from Las Vegas to Belfast Intl Airport.
Search flight deals

Frequently asked questions about flying from Las Vegas to Belfast Intl Airport

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

    The straight-line distance from Las Vegas Harry Reid Intl to Belfast Intl is 4883.4 mi. A reasonable flight in good conditions will take 14h 25m.

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

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

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

    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 Intl Airport.

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

    The required travel and health documents for your Belfast Intl Airport 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 Intl Airport. 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 Intl Airport

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

    Search flight deals from Las Vegas to Belfast Intl Airport. 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 Intl Airport 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.

Traveling to a place near Belfast?

Book flights to Belfast if you plan to visit one of these locations
Armagh
Cookstown
Ballymena
Newry
Dungannon

Why use momondo?

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

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Las Vegas to Belfast for you.

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

All flight searches from Las Vegas to Belfast on momondo can be filtered to show those which offer flexible booking policies.

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

Once all potential Las Vegas to Belfast flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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

Yes. momondo can track prices for Las Vegas to Belfast flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

An easier way to manage your Belfast Intl Airport trip

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Mon 6/1
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