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Cheap flights from Porto to Las Vegas from $498

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Porto to Las Vegas departing on 6/30. 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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Find the cheapest flights from Porto to Las Vegas

Cheap round-trip flights

Enter your travel dates to find the best prices.
Air Transat Logo
9:50 am - 10:42 pm
OPO
-
LAS
20h 52m
1 stop
Air Transat Logo
11:05 pm - 8:05 am
LAS
-
OPO
25h 00m
1 stop
$702Air Transat
Thu, Apr 9 - Thu, Apr 16
Multiple Airlines Logo
8:50 am - 10:02 pm
OPO
-
LAS
21h 12m
1 stop
Multiple Airlines Logo
11:59 pm - 8:10 pm
LAS
-
OPO
37h 11m
2 stops
$746Multiple Airlines
Sat, Mar 7 - Mon, Mar 23
Multiple Airlines Logo
5:55 pm - 10:12 pm
OPO
-
LAS
36h 17m
2 stops
Multiple Airlines Logo
7:15 pm - 11:10 pm
LAS
-
OPO
19h 55m
1 stop
$766Multiple Airlines
Wed, Apr 22 - Tue, Apr 28
Multiple Airlines Logo
12:25 pm - 10:27 am
OPO
-
LAS
30h 02m
2 stops
Multiple Airlines Logo
7:00 pm - 7:55 am
LAS
-
OPO
28h 55m
1 stop
$767Multiple Airlines
Sat, May 16 - Mon, May 18
Multiple Airlines Logo
9:50 am - 10:12 pm
OPO
-
LAS
20h 22m
1 stop
Multiple Airlines Logo
10:25 pm - 4:10 pm
LAS
-
OPO
33h 45m
2 stops
$772Multiple Airlines
Thu, Apr 23 - Mon, Apr 27
Multiple Airlines Logo
9:25 pm - 10:54 pm
OPO
-
LAS
33h 29m
2 stops
Multiple Airlines Logo
7:00 pm - 7:55 am
LAS
-
OPO
28h 55m
1 stop
$780Multiple Airlines
Tue, May 12 - Mon, May 18
Multiple Airlines Logo
8:15 pm - 10:54 pm
OPO
-
LAS
34h 39m
2 stops
Multiple Airlines Logo
7:00 pm - 7:55 am
LAS
-
OPO
28h 55m
1 stop
$782Multiple Airlines
Mon, May 11 - Mon, May 18
Multiple Airlines Logo
8:50 am - 10:02 pm
OPO
-
LAS
21h 12m
1 stop
Multiple Airlines Logo
9:00 am - 12:50 pm
LAS
-
OPO
20h 50m
2 stops
$792Multiple Airlines
Sat, Feb 28 - Mon, Mar 16
Multiple Airlines Logo
8:50 am - 10:42 pm
OPO
-
LAS
21h 52m
1 stop
Multiple Airlines Logo
9:00 am - 6:35 pm
LAS
-
OPO
25h 35m
2 stops
$795Multiple Airlines
Thu, Feb 19 - Wed, Mar 4
Multiple Airlines Logo
12:35 pm - 10:27 am
OPO
-
LAS
29h 52m
2 stops
Multiple Airlines Logo
7:00 pm - 7:55 am
LAS
-
OPO
28h 55m
1 stop
$796Multiple Airlines
Fri, May 15 - Mon, May 18

Delta flights from Porto to Las Vegas

Our best Delta deals on Porto to Las Vegas flight tickets
Delta
May 4
OPO5:00 amPorto
22h 52m
2 stops
LAS7:52 pmLas Vegas Harry Reid Intl
May 13
LAS8:25 pmLas Vegas Harry Reid Intl
13h 55m
1 stop
OPO6:20 pmPorto
$871
Delta
May 4
OPO5:00 amPorto
21h 35m
1 stop
LAS6:35 pmLas Vegas Harry Reid Intl
May 13
LAS1:30 pmLas Vegas Harry Reid Intl
20h 50m
2 stops
OPO6:20 pmPorto
$902
Delta
Feb 12
OPO5:00 amPorto
17h 15m
1 stop
LAS2:15 pmLas Vegas Harry Reid Intl
Feb 26
LAS9:35 amLas Vegas Harry Reid Intl
21h 50m
2 stops
OPO3:25 pmPorto
$903

American Airlines flights from Porto to Las Vegas

Our best American Airlines deals on Porto to Las Vegas flight tickets
American Airlines
Feb 11
OPO8:40 pmPorto
23h 12m
2 stops
LAS11:52 amLas Vegas Harry Reid Intl
Feb 15
LAS7:00 amLas Vegas Harry Reid Intl
20h 45m
2 stops
OPO11:45 amPorto
$936
American Airlines
Feb 11
OPO8:40 pmPorto
19h 29m
2 stops
LAS8:09 amLas Vegas Harry Reid Intl
Feb 15
LAS10:48 amLas Vegas Harry Reid Intl
25h 12m
2 stops
OPO8:00 pmPorto
$937
American Airlines
May 11
OPO12:25 pmPorto
19h 23m
2 stops
LAS11:48 pmLas Vegas Harry Reid Intl
May 22
LAS10:55 pmLas Vegas Harry Reid Intl
24h 45m
2 stops
OPO7:40 amPorto
$938

momondo Fare Finder

 
Customize your flight search to find flights from Porto 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 February 3, 2026.
Use the filters below to find and compare flights from Porto to Las Vegas that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

PortoLas Vegas

OPO - LAS

OPOLAS

Porto

Thu 4/9

9:50 am-10:42 pm

1 stop20h 52m

Las Vegas Harry Reid Intl

Thu 4/16

11:05 pm-8:05 am

1 stop25h 00m

$702

PortoLas Vegas

OPO - LAS

OPOLAS

Porto

Sat 3/7

8:50 am-10:02 pm

1 stop21h 12m

Las Vegas Harry Reid Intl

Mon 3/23

11:59 pm-8:10 pm

2 stops37h 11m

$746

PortoLas Vegas

OPO - LAS

OPOLAS

Porto

Wed 4/22

5:55 pm-10:12 pm

2 stops36h 17m

Las Vegas Harry Reid Intl

Tue 4/28

7:15 pm-11:10 pm

1 stop19h 55m

$766

PortoLas Vegas

OPO - LAS

OPOLAS

Porto

Sat 5/16

12:25 pm-10:27 am

2 stops30h 02m

Las Vegas Harry Reid Intl

Mon 5/18

7:00 pm-7:55 am

1 stop28h 55m

$767

PortoLas Vegas

OPO - LAS

OPOLAS

Porto

Thu 4/23

9:50 am-10:12 pm

1 stop20h 22m

Las Vegas Harry Reid Intl

Mon 4/27

10:25 pm-4:10 pm

2 stops33h 45m

$772

PortoLas Vegas

OPO - LAS

OPOLAS

Porto

Tue 5/12

9:25 pm-10:54 pm

2 stops33h 29m

Las Vegas Harry Reid Intl

Mon 5/18

7:00 pm-7:55 am

1 stop28h 55m

$780

PortoLas Vegas

OPO - LAS

OPOLAS

Porto

Mon 5/11

8:15 pm-10:54 pm

2 stops34h 39m

Las Vegas Harry Reid Intl

Mon 5/18

7:00 pm-7:55 am

1 stop28h 55m

$782

PortoLas Vegas

OPO - LAS

OPOLAS

Porto

Sat 2/28

8:50 am-10:02 pm

1 stop21h 12m

Las Vegas Harry Reid Intl

Mon 3/16

9:00 am-12:50 pm

2 stops20h 50m

$792

PortoLas Vegas

OPO - LAS

OPOLAS

Porto

Thu 2/19

8:50 am-10:42 pm

1 stop21h 52m

Las Vegas Harry Reid Intl

Wed 3/4

9:00 am-6:35 pm

2 stops25h 35m

$795

PortoLas Vegas

OPO - LAS

OPOLAS

Porto

Fri 5/15

12:35 pm-10:27 am

2 stops29h 52m

Las Vegas Harry Reid Intl

Mon 5/18

7:00 pm-7:55 am

1 stop28h 55m

$796

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 16 resultsSorted by cheapest first
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See travel insights to Las Vegas from

How to get the cheapest flight ticket from Porto 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 February is, on average, the cheapest month to fly to Las Vegas from Porto, with most prices found around $790. The month of May is another great option to travel to Las Vegas, with average flight prices from Porto averaging around $821.

Can stopping save me money on Porto to Las Vegas flights?

You could potentially save up to 47% on your flight if you consider stops on a Porto to Las Vegas flight.

When to book flights from Porto to Las Vegas

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

Cheap Porto to Las Vegas (OPO to LAS) flight deals and tips

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

Fastest flight time

16h 47m

Direct flights

None
The fastest flight from Porto to Las Vegas takes 16h 47m
There are no direct flights from Porto to Las Vegas. There are no popular flight routes from Porto to Las Vegas.
Search flight deals

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

    The straight-line distance from Porto to Las Vegas Harry Reid Intl is 5353.7 mi. Typically, this will take 16h 47m by plane in normal conditions.

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

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

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

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Porto Airport to Las Vegas Harry Reid Intl Airport.

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

    The required travel and health documents for your Las Vegas Harry Reid 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 Las Vegas Harry Reid Intl Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

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
Paradise
Mesquite
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 Porto to Las Vegas?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Porto to Las Vegas. Millions of users trust and use momondo every year so you are in good hands.

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

Yes. momondo allows you to filter the results for Porto to Las Vegas flights to just show those with flexible booking policies.

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

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 help filter your options to help you make an informed choice when booking flights to Las Vegas from Porto.

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

If you are not ready to book a flight from Porto to Las Vegas now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Las Vegas and let you know when they change.

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