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Cheap flights from Rome to Las Vegas from $424

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Rome to Las Vegas departing on 5/25. 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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0 bags

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Find the cheapest flights from Rome to Las Vegas

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
10:55 am - 5:50 pm
FCO
-
LAS
15h 55m1 stop
Multiple Airlines Logo
7:35 pm - 7:45 pm
LAS
-
FCO
15h 10m1 stop
$637Multiple Airlines
Sat, Jan 31 - Sat, Feb 7
Air Transat Logo
2:15 pm - 9:55 pm
FCO
-
LAS
16h 40m1 stop
Air Transat Logo
9:55 am - 12:15 pm
LAS
-
FCO
17h 20m1 stop
$693Air Transat
Tue, May 12 - Tue, May 26
Multiple Airlines Logo
9:10 am - 11:47 pm
FCO
-
LAS
22h 37m1 stop
Multiple Airlines Logo
10:50 am - 12:20 pm
LAS
-
FCO
17h 30m1 stop
$715Multiple Airlines
Wed, Mar 11 - Sun, Mar 15
Air Transat Logo
2:15 pm - 9:55 pm
FCO
-
LAS
16h 40m1 stop
Air Transat Logo
10:55 pm - 12:15 pm
LAS
-
FCO
28h 20m1 stop
$722Air Transat
Tue, May 12 - Thu, May 28
Multiple Airlines Logo
2:25 pm - 9:33 pm
FCO
-
LAS
16h 08m1 stop
Multiple Airlines Logo
7:55 pm - 2:30 pm
LAS
-
FCO
33h 35m2 stops
$742Multiple Airlines
Tue, Apr 7 - Wed, Apr 15
Multiple Airlines Logo
9:10 am - 5:18 pm
FCO
-
LAS
17h 08m1 stop
Multiple Airlines Logo
7:07 am - 12:20 pm
LAS
-
FCO
20h 13m1 stop
$745Multiple Airlines
Wed, Jan 21 - Wed, Jan 28
Multiple Airlines Logo
9:10 am - 9:40 pm
FCO
-
LAS
21h 30m1 stop
Multiple Airlines Logo
8:05 am - 12:20 pm
LAS
-
FCO
19h 15m1 stop
$746Multiple Airlines
Fri, Jan 23 - Fri, Feb 6
Multiple Airlines Logo
9:10 am - 9:40 pm
FCO
-
LAS
21h 30m1 stop
Multiple Airlines Logo
8:05 am - 12:20 pm
LAS
-
FCO
19h 15m1 stop
$747Multiple Airlines
Fri, Jan 23 - Fri, Feb 6
Multiple Airlines Logo
9:10 am - 6:10 pm
FCO
-
LAS
18h 00m1 stop
Multiple Airlines Logo
8:30 am - 12:20 pm
LAS
-
FCO
18h 50m1 stop
$752Multiple Airlines
Sun, Feb 1 - Sun, Feb 8
Multiple Airlines Logo
9:10 am - 11:06 pm
FCO
-
LAS
22h 56m1 stop
Multiple Airlines Logo
8:05 am - 12:20 pm
LAS
-
FCO
19h 15m1 stop
$753Multiple Airlines
Fri, Jan 16 - Fri, Jan 30

United Airlines flights from Rome to Las Vegas

Our best United Airlines deals on Rome to Las Vegas flight tickets
United Airlines
Jan 30
FCO7:05 amRome Fiumicino
18h 55m
2 stops
LAS5:00 pmLas Vegas Harry Reid Intl
Feb 7
LAS12:30 amLas Vegas Harry Reid Intl
22h 25m
2 stops
FCO7:55 amRome Fiumicino
$904
Find similar
United Airlines
Jan 4
FCO7:05 amRome Fiumicino
16h 35m
1 stop
LAS2:40 pmLas Vegas Harry Reid Intl
Jan 10
LAS7:15 amLas Vegas Harry Reid Intl
18h 50m
2 stops
FCO11:05 amRome Fiumicino
$905
Find similar
United Airlines
Jan 18
FCO7:05 amRome Fiumicino
23h 52m
2 stops
LAS9:57 pmLas Vegas Harry Reid Intl
Jan 25
LAS4:25 pmLas Vegas Harry Reid Intl
16h 30m
1 stop
FCO5:55 pmRome Fiumicino
$909
Find similar

ITA Airways flights from Rome to Las Vegas

Our best ITA Airways deals on Rome to Las Vegas flight tickets
ITA Airways
Dec 20
FCO9:10 amRome Fiumicino
17h 37m
1 stop
LAS5:47 pmLas Vegas Harry Reid Intl
Feb 11
LAS10:44 amLas Vegas Harry Reid Intl
16h 36m
1 stop
FCO12:20 pmRome Fiumicino
$983
Find similar
ITA Airways
Dec 20
FCO9:10 amRome Fiumicino
17h 37m
1 stop
LAS5:47 pmLas Vegas Harry Reid Intl
Dec 28
LAS8:00 amLas Vegas Harry Reid Intl
19h 20m
1 stop
FCO12:20 pmRome Fiumicino
$4,844
Find similar
ITA Airways
Dec 16
FCO9:10 amRome Fiumicino
19h 51m
1 stop
LAS8:01 pmLas Vegas Harry Reid Intl
Dec 31
LAS10:43 amLas Vegas Harry Reid Intl
16h 37m
1 stop
FCO12:20 pmRome Fiumicino
$4,846
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Rome to Las Vegas 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 December 8, 2025.
Use the filters below to find and compare flights from Rome to Las Vegas that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

RomeLas Vegas

FCO - LAS

FCOLAS

Rome Fiumicino

Sat 1/31

10:55 am-5:50 pm

1 stop15h 55m

Las Vegas Harry Reid Intl

Sat 2/7

7:35 pm-7:45 pm

1 stop15h 10m

$637

RomeLas Vegas

FCO - LAS

FCOLAS

Rome Fiumicino

Tue 5/12

2:15 pm-9:55 pm

1 stop16h 40m

Las Vegas Harry Reid Intl

Tue 5/26

9:55 am-12:15 pm

1 stop17h 20m

$693

RomeLas Vegas

FCO - LAS

FCOLAS

Rome Fiumicino

Wed 3/11

9:10 am-11:47 pm

1 stop22h 37m

Las Vegas Harry Reid Intl

Sun 3/15

10:50 am-12:20 pm

1 stop17h 30m

$715

RomeLas Vegas

FCO - LAS

FCOLAS

Rome Fiumicino

Tue 5/12

2:15 pm-9:55 pm

1 stop16h 40m

Las Vegas Harry Reid Intl

Thu 5/28

10:55 pm-12:15 pm

1 stop28h 20m

$722

RomeLas Vegas

FCO - LAS

FCOLAS

Rome Fiumicino

Tue 4/7

2:25 pm-9:33 pm

1 stop16h 08m

Las Vegas Harry Reid Intl

Wed 4/15

7:55 pm-2:30 pm

2 stops33h 35m

$742

RomeLas Vegas

FCO - LAS

FCOLAS

Rome Fiumicino

Wed 1/21

9:10 am-5:18 pm

1 stop17h 08m

Las Vegas Harry Reid Intl

Wed 1/28

7:07 am-12:20 pm

1 stop20h 13m

$745

RomeLas Vegas

FCO - LAS

FCOLAS

Rome Fiumicino

Fri 1/23

9:10 am-9:40 pm

1 stop21h 30m

Las Vegas Harry Reid Intl

Fri 2/6

8:05 am-12:20 pm

1 stop19h 15m

$746

RomeLas Vegas

FCO - LAS

FCOLAS

Rome Fiumicino

Fri 1/23

9:10 am-9:40 pm

1 stop21h 30m

Las Vegas Harry Reid Intl

Fri 2/6

8:05 am-12:20 pm

1 stop19h 15m

$747

RomeLas Vegas

FCO - LAS

FCOLAS

Rome Fiumicino

Sun 2/1

9:10 am-6:10 pm

1 stop18h 00m

Las Vegas Harry Reid Intl

Sun 2/8

8:30 am-12:20 pm

1 stop18h 50m

$752

RomeLas Vegas

FCO - LAS

FCOLAS

Rome Fiumicino

Fri 1/16

9:10 am-11:06 pm

1 stop22h 56m

Las Vegas Harry Reid Intl

Fri 1/30

8:05 am-12:20 pm

1 stop19h 15m

$753

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Las Vegas from

How to get the cheapest flight ticket from Rome to Las Vegas

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Las Vegas?

The month of May is, on average, the cheapest month to fly to Las Vegas from Rome, with most prices found around $744. The month of August is another great option to travel to Las Vegas, with average flight prices from Rome averaging around $783.

What is the cheapest day to depart on your flight to Las Vegas?

Our data shows that Wednesday is the least expensive day to fly to Las Vegas. Tickets to fly out on this day can be as low as $874. Flights from Rome to Las Vegas on a Sunday will generally be more expensive and average around $1,103. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

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

The cheapest time of day to fly to Las Vegas is in the afternoon when flights can be purchased for as low as $874. Flights to Las Vegas are more costly at noon, with an average ticket price of $916. Departure times at noon fall within the peak daily travel times, which is why tickets can be more expensive.

How have Rome to Las Vegas flight prices changed over time?

As of December 2025, prices for Rome to Las Vegas flights are approximately 2% more expensive when compared to flights at the same time last year.

When to book flights from Rome to Las Vegas

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

Cheap Rome to Las Vegas (ROM to LAS) flight deals and tips

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

Fastest flight time

17h 49m

Direct flights

None
The fastest flight from Rome to Las Vegas takes 17h 49m
There are no direct flights from Rome to Las Vegas. There are no popular flight routes from Rome to Las Vegas.
Search flight deals

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

    A flight from Rome to Las Vegas Harry Reid Intl will travel around 6105.5 mi. In terms of flight time, this usually takes a little over 14h 50m.

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

    Prices for flights from Rome to Las Vegas Harry Reid Intl Airport refresh daily.

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

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Rome to Las Vegas Harry Reid Intl Airport.

  • What documentation or ID do you need to fly to Las Vegas Harry Reid Intl Airport?

    The travel and health documents required for your trip to Las Vegas Harry Reid Intl Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Las Vegas Harry Reid Intl Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Traveling to a place near Las Vegas?

Book flights to Las Vegas if you plan to visit one of these locations
Laughlin
Mount Charleston
Henderson
Mesquite
Paradise
North Las Vegas
Kingman
Pahrump
Primm
Furnace Creek
Boulder City
Sunrise Manor
Winchester
Needles

Why use momondo?

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

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

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

Yes. All flights to Las Vegas from Rome on momondo can be compared and filtered by various policies on offer, including flexible booking.

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

momondo provides multiple filters to help you find the best flight to Las Vegas from Rome. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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

Yes momondo offers price alerts on flights to Las Vegas from Rome. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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