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Cheap flights from Porto to Las Vegas from $623

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 11/4. 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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Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
7:25 am - 10:07 pmOPO-LAS
46h 42m3 stops
Multiple Airlines Logo
8:00 am - 10:55 pmLAS-OPO
30h 55m2 stops
$730Multiple Airlines
Find Deal
jue., nov. 13 - sáb., nov. 29
Multiple Airlines Logo
7:25 am - 10:07 pmOPO-LAS
46h 42m3 stops
Multiple Airlines Logo
8:00 am - 7:00 pmLAS-OPO
27h 00m2 stops
$792Multiple Airlines
Find Deal
jue., nov. 6 - jue., nov. 20
Multiple Airlines Logo
6:35 am - 2:15 pmOPO-LAS
15h 40m1 stop
Multiple Airlines Logo
10:22 am - 10:30 amLAS-OPO
16h 08m2 stops
$860Multiple Airlines
Find Deal
jue., nov. 13 - sáb., nov. 29
Delta Logo
6:35 am - 2:15 pmOPO-LAS
15h 40m1 stop
Delta Logo
4:05 pm - 10:25 pmLAS-OPO
22h 20m1 stop
$863Delta
Find Deal
jue., nov. 6 - jue., nov. 20
Delta Logo
11:15 am - 12:16 amOPO-LAS
21h 01m2 stops
Delta Logo
9:57 am - 3:25 pmLAS-OPO
21h 28m2 stops
$869Delta
Find Deal
jue., nov. 6 - jue., nov. 20
KLM Logo
6:00 am - 7:32 pmOPO-LAS
21h 32m2 stops
KLM Logo
4:05 pm - 3:25 pmLAS-OPO
15h 20m1 stop
$871KLM
Find Deal
mié., nov. 5 - mar., nov. 11
KLM Logo
4:10 pm - 2:15 pmOPO-LAS
30h 05m1 stop
KLM Logo
7:25 am - 10:30 amLAS-OPO
19h 05m2 stops
$872KLM
Find Deal
vie., dic. 5 - vie., dic. 12
United Airlines Logo
12:35 pm - 9:15 pmOPO-LAS
16h 40m1 stop
United Airlines Logo
7:00 am - 9:30 amLAS-OPO
18h 30m1 stop
$904United Airlines
Find Deal
jue., nov. 13 - jue., nov. 27
United Airlines Logo
12:35 pm - 12:45 amOPO-LAS
20h 10m2 stops
United Airlines Logo
8:00 am - 9:30 amLAS-OPO
17h 30m2 stops
$907United Airlines
Find Deal
jue., nov. 13 - jue., nov. 27
Air Canada Logo
6:00 am - 10:31 pmOPO-LAS
24h 31m2 stops
Air Canada Logo
4:45 pm - 3:05 pmLAS-OPO
38h 20m2 stops
$976Air Canada
Find Deal
mar., feb. 3 - vie., feb. 6

KLM flights from Porto to Las Vegas

Our best KLM deals on Porto to Las Vegas flight tickets
KLM
Nov 5
OPO6:00 amPorto
21h 32m
2 stops
LAS7:32 pmLas Vegas Harry Reid Intl
Nov 11
LAS4:05 pmLas Vegas Harry Reid Intl
15h 20m
1 stop
OPO3:25 pmPorto
$871
Find similar
KLM
Dec 5
OPO4:10 pmPorto
30h 05m
1 stop
LAS2:15 pmLas Vegas Harry Reid Intl
Dec 12
LAS7:25 amLas Vegas Harry Reid Intl
19h 05m
2 stops
OPO10:30 amPorto
$872
Find similar
KLM
Dec 5
OPO11:15 amPorto
35h 00m
1 stop
LAS2:15 pmLas Vegas Harry Reid Intl
Dec 12
LAS7:25 amLas Vegas Harry Reid Intl
19h 05m
2 stops
OPO10:30 amPorto
$874
Find similar

Delta flights from Porto to Las Vegas

Our best Delta deals on Porto to Las Vegas flight tickets
Delta
Nov 6
OPO6:35 amPorto
15h 40m
1 stop
LAS2:15 pmLas Vegas Harry Reid Intl
Nov 20
LAS4:05 pmLas Vegas Harry Reid Intl
22h 20m
1 stop
OPO10:25 pmPorto
$863
Find similar
Delta
Nov 6
OPO11:15 amPorto
21h 01m
2 stops
LAS12:16 amLas Vegas Harry Reid Intl
Nov 20
LAS9:57 amLas Vegas Harry Reid Intl
21h 28m
2 stops
OPO3:25 pmPorto
$869
Find similar
Delta
Nov 13
OPO6:35 amPorto
15h 40m
1 stop
LAS2:15 pmLas Vegas Harry Reid Intl
Nov 27
LAS11:59 amLas Vegas Harry Reid Intl
38h 31m
2 stops
OPO10:30 amPorto
$885
Find similar

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 octubre 22, 2025.
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

jue. 11/13

7:25 am-10:07 pm

3 stops46h 42m

Las Vegas Harry Reid Intl

sáb. 11/29

8:00 am-10:55 pm

2 stops30h 55m

$730

PortoLas Vegas

OPO - LAS

OPOLAS

Porto

jue. 11/6

7:25 am-10:07 pm

3 stops46h 42m

Las Vegas Harry Reid Intl

jue. 11/20

8:00 am-7:00 pm

2 stops27h 00m

$792

PortoLas Vegas

OPO - LAS

OPOLAS

Porto

jue. 11/13

6:35 am-2:15 pm

1 stop15h 40m

Las Vegas Harry Reid Intl

sáb. 11/29

10:22 am-10:30 am

2 stops16h 08m

$860

PortoLas Vegas

OPO - LAS

OPOLAS

Porto

jue. 11/6

6:35 am-2:15 pm

1 stop15h 40m

Las Vegas Harry Reid Intl

jue. 11/20

4:05 pm-10:25 pm

1 stop22h 20m

$863

PortoLas Vegas

OPO - LAS

OPOLAS

Porto

jue. 11/6

11:15 am-12:16 am

2 stops21h 01m

Las Vegas Harry Reid Intl

jue. 11/20

9:57 am-3:25 pm

2 stops21h 28m

$869

PortoLas Vegas

OPO - LAS

OPOLAS

Porto

mié. 11/5

6:00 am-7:32 pm

2 stops21h 32m

Las Vegas Harry Reid Intl

mar. 11/11

4:05 pm-3:25 pm

1 stop15h 20m

$871

PortoLas Vegas

OPO - LAS

OPOLAS

Porto

vie. 12/5

4:10 pm-2:15 pm

1 stop30h 05m

Las Vegas Harry Reid Intl

vie. 12/12

7:25 am-10:30 am

2 stops19h 05m

$872

PortoLas Vegas

OPO - LAS

OPOLAS

Porto

jue. 11/13

12:35 pm-9:15 pm

1 stop16h 40m

Las Vegas Harry Reid Intl

jue. 11/27

7:00 am-9:30 am

1 stop18h 30m

$904

PortoLas Vegas

OPO - LAS

OPOLAS

Porto

jue. 11/13

12:35 pm-12:45 am

2 stops20h 10m

Las Vegas Harry Reid Intl

jue. 11/27

8:00 am-9:30 am

2 stops17h 30m

$907

PortoLas Vegas

OPO - LAS

OPOLAS

Porto

mar. 2/3

6:00 am-10:31 pm

2 stops24h 31m

Las Vegas Harry Reid Intl

vie. 2/6

4:45 pm-3:05 pm

2 stops38h 20m

$976

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 13 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

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

You could potentially save up to 42% 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

Direct flights

None
There are no direct flights from Porto to Las Vegas. There are no popular flight routes from Porto to Las Vegas.
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  • 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 15h 40m 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
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 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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vie. 11/21
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