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$440+ Cheap flights from Porto (OPO) to Las Vegas (LAS)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 7/1. Fares are subject to change and may not be available on all flights or dates of travel.
OPO — LAS
feb. 25 — mar. 41
mar. 2/25
mar. 3/4
1 adult, Economy
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Cheap flight deals from Porto to Las Vegas

Discover tips and strategies to find the most affordable flight options for your journey from Porto (OPO) to Las Vegas (LAS). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated febrero 20, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$522
(Kiwi.com)

One-way from

$440
(Booking.com)

Popular in

July

Cheapest in

February

Average price

$794
Provider with most accurate pricing for Porto-Las Vegas Harry Reid Intl flight deals.
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Provider most trusted by Cheapflights users for Porto-Las Vegas Harry Reid Intl flights.
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From Porto to Las Vegas Harry Reid Intl
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One-way flight from Porto to Las Vegas Harry Reid Intl
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Highest demand for flights based on searches. 12% potential increase in price ($136 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($24 potential savings vs. average RT price).
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Average for round-trip flights in February 2025
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Find flight deals from Porto to Las Vegas

Cheapest flights from Porto to Las Vegas
Explore the most affordable flight options available from Porto to Las Vegas. Find the lowest fares from popular airlines and budget airlines, with prices last updated on febrero 20, 2025.

This Kiwi.com deal was found by Cheapflights users on 2/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 3/98:50 amOPO - LAS
1 stop19h 40mAir Transat
mar. 3/2510:35 pmLAS - OPO
1 stop25h 30mAir Transat
Deal found 2/20$522
This Kiwi.com deal was found by Cheapflights users on 2/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 3/208:50 amOPO - LAS
1 stop20h 23mMultiple Airlines
sáb. 4/59:00 amLAS - OPO
1 stop15h 05mMultiple Airlines
Deal found 2/20$662
This Kissandfly.com deal was found by Cheapflights users on 2/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kissandfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 3/912:25 pmOPO - LAS
2 stops26h 41mIberia
mar. 3/258:30 amLAS - OPO
2 stops16h 10mIberia
Deal found 2/20$726
This American Airlines deal was found by Cheapflights users on 2/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 3/208:20 amOPO - LAS
2 stops21h 14mAmerican Airlines
sáb. 4/52:37 pmLAS - OPO
2 stops17h 18mAmerican Airlines
Deal found 2/20$729
This British Airways deal was found by Cheapflights users on 2/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 3/204:55 pmOPO - LAS
2 stops34h 22mBritish Airways
sáb. 4/55:55 pmLAS - OPO
1 stop18h 35mBritish Airways
Deal found 2/20$781
This United Airlines deal was found by Cheapflights users on 2/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 3/2212:30 pmOPO - LAS
2 stops19h 15mUnited Airlines
vie. 3/2812:59 amLAS - OPO
2 stops24h 46mUnited Airlines
Deal found 2/20$791
This Air Canada deal was found by Cheapflights users on 2/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 6/48:40 amOPO - LAS
2 stops21h 35mAir Canada
mié. 6/1811:30 amLAS - OPO
1 stop14h 00mAir Canada
Deal found 2/20$803
This Delta deal was found by Cheapflights users on 2/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 4/36:30 amOPO - LAS
2 stops23h 40mDelta
vie. 4/181:35 pmLAS - OPO
2 stops20h 35mDelta
Deal found 2/20$821
This KLM deal was found by Cheapflights users on 2/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 11/311:15 amOPO - LAS
1 stop34h 55mKLM
lun. 11/107:23 amLAS - OPO
2 stops19h 07mKLM
Deal found 2/19$948
This Lufthansa deal was found by Cheapflights users on 2/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 4/36:00 amOPO - LAS
2 stops20h 33mLufthansa
vie. 4/189:10 pmLAS - OPO
1 stop17h 35mLufthansa
Deal found 2/20$1,098
This eDestinos deal was found by Cheapflights users on 2/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 6/279:40 amOPO - LAS
2 stops43h 57mScandinavian Airlines
mié. 7/21:05 pmLAS - OPO
2 stops35h 45mScandinavian Airlines
Deal found 2/20$1,116

Find flights from Porto to Las Vegas within your budget

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, Cheapflights users made 2,558,603 searches. Data last updated febrero 20, 2025.

Fly from

Porto

Fly to

Las Vegas

Route

Depart

Return

Price

PortoLas Vegas

OPO - LAS

OPOLAS

Porto

dom. 3/9

8:50 am-8:30 pm

1 stop19h 40m

Las Vegas Harry Reid Intl

mar. 3/25

10:35 pm-7:05 am

1 stop25h 30m

$522

PortoLas Vegas

OPO - LAS

OPOLAS

Porto

jue. 3/20

8:50 am-10:13 pm

1 stop20h 23m

Las Vegas Harry Reid Intl

sáb. 4/5

9:00 am-8:05 am

1 stop15h 05m

$662

PortoLas Vegas

OPO - LAS

OPOLAS

Porto

dom. 3/9

12:25 pm-8:06 am

2 stops26h 41m

Las Vegas Harry Reid Intl

mar. 3/25

8:30 am-7:40 am

2 stops16h 10m

$726

PortoLas Vegas

OPO - LAS

OPOLAS

Porto

jue. 3/20

8:20 am-10:34 pm

2 stops21h 14m

Las Vegas Harry Reid Intl

sáb. 4/5

2:37 pm-3:55 pm

2 stops17h 18m

$729

PortoLas Vegas

OPO - LAS

OPOLAS

Porto

jue. 3/20

4:55 pm-8:17 pm

2 stops34h 22m

Las Vegas Harry Reid Intl

sáb. 4/5

5:55 pm-8:30 pm

1 stop18h 35m

$781

PortoLas Vegas

OPO - LAS

OPOLAS

Porto

sáb. 3/22

12:30 pm-12:45 am

2 stops19h 15m

Las Vegas Harry Reid Intl

vie. 3/28

12:59 am-8:45 am

2 stops24h 46m

$791

PortoLas Vegas

OPO - LAS

OPOLAS

Porto

mié. 6/4

8:40 am-10:15 pm

2 stops21h 35m

Las Vegas Harry Reid Intl

mié. 6/18

11:30 am-9:30 am

1 stop14h 00m

$803

PortoLas Vegas

OPO - LAS

OPOLAS

Porto

jue. 4/3

6:30 am-10:10 pm

2 stops23h 40m

Las Vegas Harry Reid Intl

vie. 4/18

1:35 pm-6:10 pm

2 stops20h 35m

$821

PortoLas Vegas

OPO - LAS

OPOLAS

Porto

lun. 6/30

6:35 am-6:35 pm

1 stop20h 00m

Las Vegas Harry Reid Intl

mar. 7/8

8:25 pm-10:15 pm

1 stop17h 50m

$1,043

PortoLas Vegas

OPO - LAS

OPOLAS

Porto

jue. 4/3

6:00 am-6:33 pm

2 stops20h 33m

Las Vegas Harry Reid Intl

vie. 4/18

9:10 pm-10:45 pm

1 stop17h 35m

$1,098

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/20

Showing 1-10 of 17 results
1
2
  • Most accurate provider: When it comes to deals on Porto-Las Vegas flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Porto-Las Vegas flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Porto-Las Vegas flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Porto-Las Vegas flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Porto-Las Vegas flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Porto to Las Vegas

Have a flexible travel schedule? Discover the best time to fly to Las Vegas from Porto with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Travel insights for flights from Porto to Las Vegas

Get recent, data-driven insights about flights from Porto to Las Vegas including ideal travel times, pricing trends, and more.

What is the cheapest month to book a flight from Porto to Las Vegas?

Currently, August is the cheapest month in which you can book a flight from Porto to Las Vegas (average of $198). Flying from Porto to Las Vegas in March is currently the most expensive (average of $269). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Rainfall in Las Vegas by month

Plan your trip to Las Vegas by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Las Vegas ranges from 0.1 - 0.8 inches per month. February is typically the wettest month, when rainfall can reach 0.8 in. May is typically the driest time to visit Las Vegas when rainfall is around 0.1 in.

Temperature in Las Vegas by month

Plan your trip to Las Vegas by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Las Vegas, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 93.2 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 48.2 F).

Reviews of airlines servicing Las Vegas

Get insights into the airlines that provide service to Las Vegas. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Las Vegas. Reviews last updated febrero 20, 2025.
Delta
8.0
Very good
8,220 reviews

Entertainment

7.9

Food

7.3

Crew

8.5

Overall

8.0

Comfort

8.0

Boarding

8.2

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Delta
8.0
Very good
8,220 reviews
Delta
8.0
Very good
8,220 reviews

Entertainment

7.9

Food

7.3

Crew

8.5

Overall

8.0

Comfort

8.0

Boarding

8.2

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

KLM
7.8
Good
1,333 reviews
Delta
8.0
Very good
8,220 reviews

Entertainment

7.9

Food

7.3

Crew

8.5

Overall

8.0

Comfort

8.0

Boarding

8.2

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Air Transat
7.8
Good
380 reviews
Delta
8.0
Very good
8,220 reviews

Entertainment

7.9

Food

7.3

Crew

8.5

Overall

8.0

Comfort

8.0

Boarding

8.2

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

SWISS
7.5
Good
1,568 reviews
Delta
8.0
Very good
8,220 reviews

Entertainment

7.9

Food

7.3

Crew

8.5

Overall

8.0

Comfort

8.0

Boarding

8.2

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

United Airlines
7.4
Good
8,766 reviews
Delta
8.0
Very good
8,220 reviews

Entertainment

7.9

Food

7.3

Crew

8.5

Overall

8.0

Comfort

8.0

Boarding

8.2

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Related info for your journey

Find useful and relevant information for your journey from Porto to Las Vegas. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What are the cheapest airlines flying from Porto to Las Vegas round-trip?

    Cheapflights users have booked flights from Porto to Las Vegas round-trip from $522. Other airlines that can offer you cheap pricing are Iberia, from $726, and American Airlines, from $729. Air Transat is 45% cheaper than the average price of flights available within the next 90 days to this destination.

  • What are the cheapest airlines to fly from Porto to Las Vegas one-way?

    $440 is the cheapest one-way deal found within the past few days, from Air Transat. You may also be able to find cheap deals on Turkish Airlines and KLM, with prices starting from $862 and $964, respectively.

  • Can I find deals for flights from Porto to Las Vegas that include hotel bookings?

    Yes. In addition to deals on Porto to Las Vegas flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Porto to Las Vegas?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Porto to Las Vegas.

  • Can I find deals for business class flights from Porto to Las Vegas?

    Yes. Cheapflights offers flight deals from Porto to Las Vegas by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Porto to Las Vegas?

    Currently, August is the cheapest month in which you can book a flight from Porto to Las Vegas (average of $198). Flying from Porto to Las Vegas in March is currently the most expensive (average of $269). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Porto?

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

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Alternative routes for Porto to Las Vegas

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