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$400+ 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 4/13. Fares are subject to change and may not be available on all flights or dates of travel.
OPO — LAS
Jan 21 — Jan 281
Tue 1/21
Tue 1/28
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 January 16, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$510
(Gotogate)

One-way from

$400
(Trip.com)

Popular in

July

Cheapest in

February

Average price

$966
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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High demand for flights, 12% potential price rise
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Best time to find cheap flights, 2% potential price drop
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Average for round-trip flights in January 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 January 16, 2025.

This Gotogate deal was found by Cheapflights users on 1/16. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 2/98:50 amOPO - LAS
1 stop20h 38mAir Transat
Tue 2/2510:35 pmLAS - OPO
1 stop24h 30mAir Transat
Deal found 1/16$510
This Kiwi.com deal was found by Cheapflights users on 1/16. 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.
Sun 2/98:30 pmOPO - LAS
2 stops50h 10mMultiple Airlines
Tue 2/254:45 pmLAS - OPO
1 stop19h 40mMultiple Airlines
Deal found 1/16$602
This Iberia deal was found by Cheapflights users on 1/16. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 2/98:20 amOPO - LAS
2 stops22h 42mIberia
Tue 2/257:00 amLAS - OPO
2 stops29h 00mIberia
Deal found 1/16$732
This Delta deal was found by Cheapflights users on 1/15. 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.
Thu 1/236:15 amOPO - LAS
1 stop15h 55mDelta
Fri 2/77:05 amLAS - OPO
2 stops19h 45mDelta
Deal found 1/15$735
This Expedia deal was found by Cheapflights users on 1/16. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 2/97:25 pmOPO - LAS
2 stops33h 28mSWISS
Tue 2/251:30 pmLAS - OPO
2 stops21h 00mSWISS
Deal found 1/16$780
This United Airlines deal was found by Cheapflights users on 1/16. 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.
Wed 5/76:00 amOPO - LAS
2 stops21h 04mUnited Airlines
Wed 5/1411:23 amLAS - OPO
3 stops39h 52mUnited Airlines
Deal found 1/16$788
This American Airlines deal was found by Cheapflights users on 1/15. 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.
Thu 1/2312:25 pmOPO - LAS
2 stops19h 20mAmerican Airlines
Fri 2/711:27 amLAS - OPO
2 stops16h 18mAmerican Airlines
Deal found 1/15$817
This Ovago deal was found by Cheapflights users on 1/16. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/78:20 pmOPO - LAS
1 stop25h 00mBritish Airways
Wed 5/145:05 pmLAS - OPO
1 stop33h 20mBritish Airways
Deal found 1/16$832
This Gotogate deal was found by Cheapflights users on 1/15. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 2/96:00 amOPO - LAS
1 stop16h 35mLufthansa
Thu 2/134:20 pmLAS - OPO
1 stop35h 20mLufthansa
Deal found 1/15$885
This KLM deal was found by Cheapflights users on 1/16. 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.
Sat 10/1111:35 amOPO - LAS
2 stops20h 21mKLM
Wed 10/152:50 pmLAS - OPO
2 stops16h 45mKLM
Deal found 1/16$891

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 January 16, 2025.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

PortoLas Vegas

OPO - LAS

OPOLAS

Porto

Sun 2/9

8:50 am-9:28 pm

1 stop20h 38m

Las Vegas Harry Reid Intl

Tue 2/25

10:35 pm-7:05 am

1 stop24h 30m

$510

PortoLas Vegas

OPO - LAS

OPOLAS

Porto

Sun 2/9

8:30 pm-2:40 pm

2 stops50h 10m

Las Vegas Harry Reid Intl

Tue 2/25

4:45 pm-8:25 pm

1 stop19h 40m

$602

PortoLas Vegas

OPO - LAS

OPOLAS

Porto

Sun 2/9

8:20 am-11:02 pm

2 stops22h 42m

Las Vegas Harry Reid Intl

Tue 2/25

7:00 am-8:00 pm

2 stops29h 00m

$732

PortoLas Vegas

OPO - LAS

OPOLAS

Porto

Sun 2/9

5:00 am-10:08 pm

2 stops25h 08m

Las Vegas Harry Reid Intl

Tue 2/25

9:59 am-10:35 am

2 stops16h 36m

$742

PortoLas Vegas

OPO - LAS

OPOLAS

Porto

Sun 2/9

7:25 pm-8:53 pm

2 stops33h 28m

Las Vegas Harry Reid Intl

Tue 2/25

1:30 pm-6:30 pm

2 stops21h 00m

$780

PortoLas Vegas

OPO - LAS

OPOLAS

Porto

Wed 5/7

6:00 am-7:04 pm

2 stops21h 04m

Las Vegas Harry Reid Intl

Wed 5/14

11:23 am-11:15 am

3 stops39h 52m

$788

PortoLas Vegas

OPO - LAS

OPOLAS

Porto

Wed 5/7

8:20 pm-1:20 pm

1 stop25h 00m

Las Vegas Harry Reid Intl

Wed 5/14

5:05 pm-10:25 am

1 stop33h 20m

$832

PortoLas Vegas

OPO - LAS

OPOLAS

Porto

Sun 2/9

6:00 am-2:35 pm

1 stop16h 35m

Las Vegas Harry Reid Intl

Thu 2/13

4:20 pm-11:40 am

1 stop35h 20m

$885

PortoLas Vegas

OPO - LAS

OPOLAS

Porto

Sun 4/13

10:55 pm-10:13 pm

2 stops31h 18m

$400

PortoLas Vegas

OPO - LAS

OPOLAS

Porto

Sun 4/13

9:50 am-9:28 pm

1 stop19h 38m

$431

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/15

Showing 1-10 of 13 results
1
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Compare providers for flights from Porto to Las Vegas

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Porto to Las Vegas in January.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • 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 January 16, 2025.
Read through reviews of airlines operating flights from Porto to Las Vegas, such as Delta and Air Transat. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
8,511 reviews

Overall

8.0

Boarding

8.2

Food

7.3

Crew

8.6

Entertainment

7.9

Comfort

8.0

Reviews

1 / 10

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

Delta
8.0
Very good
8,511 reviews
Delta
8.0
Very good
8,511 reviews

Overall

8.0

Boarding

8.2

Food

7.3

Crew

8.6

Entertainment

7.9

Comfort

8.0

Reviews

1 / 10

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

Air Transat
7.8
Good
381 reviews
Delta
8.0
Very good
8,511 reviews

Overall

8.0

Boarding

8.2

Food

7.3

Crew

8.6

Entertainment

7.9

Comfort

8.0

Reviews

1 / 10

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

SWISS
7.5
Good
1,598 reviews
Delta
8.0
Very good
8,511 reviews

Overall

8.0

Boarding

8.2

Food

7.3

Crew

8.6

Entertainment

7.9

Comfort

8.0

Reviews

1 / 10

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

United Airlines
7.4
Good
8,965 reviews
Delta
8.0
Very good
8,511 reviews

Overall

8.0

Boarding

8.2

Food

7.3

Crew

8.6

Entertainment

7.9

Comfort

8.0

Reviews

1 / 10

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

Iberia
7.0
Good
2,640 reviews
Delta
8.0
Very good
8,511 reviews

Overall

8.0

Boarding

8.2

Food

7.3

Crew

8.6

Entertainment

7.9

Comfort

8.0

Reviews

1 / 10

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 $510. Other airlines that can offer you cheap pricing are Iberia, from $732, and Delta, from $742. 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?

    $431 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 British Airways and SWISS, with prices starting from $651 and $915, 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
Kingman
Winchester
Primm
Mesquite
Needles
Mount Charleston
Pahrump

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