Find flights
When to book
Airlines
FAQs

Cheap flights from Portsmouth to Las Vegas from £621

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 3/3. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — LAS
26 Jan — 2 Feb1
1 adult

Cheap flight deals from Portsmouth to Las Vegas

Discover tips and strategies to find the most affordable flight options for your journey from Portsmouth (P0R) 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 21 January 2025.

Round-trip from

£621

Popular in

August

Cheapest in

January

Average price

£596
KLM
  • KLM
  • 3/3-10/3
  • 3 total stops
  • 44h 40m total
  • Portsmouth to Las Vegas
Search Deals
Highest demand for flights based on searches. 11% potential increase in price (£99 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease (£38 potential savings vs. average return price).
Search Deals
Average for round-trip flights in January 2025
Search Deals

Find flight deals from Portsmouth to Las Vegas

Cheapest flights from Portsmouth to Las Vegas
Explore the most affordable flight options available from Portsmouth to Las Vegas. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 21 January 2025.

Mon 3/317:20SOU - LAS
1 stop28h 50mKLM
Mon 10/309:35LAS - SOU
2 stops15h 50mKLM
Deal found 20/1£621
Mon 3/309:00SOU - LAS
2 stops22h 37mDelta
Mon 10/306:00LAS - SOU
2 stops19h 25mDelta
Deal found 20/1£625
Sat 22/209:30SOU - LAS
1 stop16h 20mAer Lingus
Thu 27/219:35LAS - SOU
1 stop16h 05mAer Lingus
Deal found 21/1£694
Fri 21/217:20SOU - LAS
1 stop29h 05mMultiple Airlines
Wed 26/206:00LAS - SOU
2 stops18h 30mMultiple Airlines
Deal found 21/1£703
Mon 3/309:00SOU - LAS
2 stops22h 40mVirgin Atlantic
Mon 10/306:15LAS - SOU
2 stops19h 10mVirgin Atlantic
Deal found 21/1£1,187

Find flights from Portsmouth to Las Vegas within your budget

Customise your flight search to find flights from Portsmouth 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 858,174 searches. Data last updated 21 January 2025.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

SouthamptonLas Vegas

SOU - LAS

SOULAS

Southampton Eastleigh

Mon 3/3

17:20-14:10

1 stop28h 50m

Las Vegas Harry Reid Intl

Mon 10/3

09:35-08:25

2 stops15h 50m

£621

SouthamptonLas Vegas

SOU - LAS

SOULAS

Southampton Eastleigh

Mon 3/3

09:00-23:37

2 stops22h 37m

Las Vegas Harry Reid Intl

Mon 10/3

06:00-08:25

2 stops19h 25m

£625

SouthamptonLas Vegas

SOU - LAS

SOULAS

Southampton Eastleigh

Sat 22/2

09:30-17:50

1 stop16h 20m

Las Vegas Harry Reid Intl

Thu 27/2

19:35-19:40

1 stop16h 05m

£694

SouthamptonLas Vegas

SOU - LAS

SOULAS

Southampton Eastleigh

Fri 21/2

17:20-14:25

1 stop29h 05m

Las Vegas Harry Reid Intl

Wed 26/2

06:00-08:30

2 stops18h 30m

£703

SouthamptonLas Vegas

SOU - LAS

SOULAS

Southampton Eastleigh

Mon 3/3

09:00-23:40

2 stops22h 40m

Las Vegas Harry Reid Intl

Mon 10/3

06:15-08:25

2 stops19h 10m

£1,187

SouthamptonLas Vegas

SOU - LAS

SOULAS

Southampton Eastleigh

Sun 1/6

17:35-18:35

1 stop33h 00m

£1,406

Flights are sorted by cheapest return flights first.

Deals found on 20/1

Best time to book a flight from Portsmouth to Las Vegas

Have a flexible travel schedule? Discover the best time to fly to Las Vegas from Portsmouth with our price prediction graph.
Estimated return 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 Portsmouth to Las Vegas

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

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

Currently, January is the cheapest month in which you can book a flight from Portsmouth to Las Vegas (average of £689). Flying from Portsmouth to Las Vegas in July is currently the most expensive (average of £1,020). 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.

What is the cheapest time of day to fly from P0R to LAS?

Find hourly flight availability from Portsmouth to Las Vegas. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 21 January 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Portsmouth to Las Vegas as you normally would.

What is the cheapest day to fly from Portsmouth to Las Vegas?

Use this chart to determine the cheapest time to fly return from Portsmouth to Las Vegas. Price data was last updated on 30 June 2024.

Travellers seeking maximum savings on their Portsmouth to Las Vegas flight should consider departing on Saturday mornings when fares are most often at their lowest. Saturday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

Weekly flight availability from Portsmouth to Las Vegas

Explore weekly flight availability from Portsmouth to Las Vegas. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated 21 January 2025.

The most flights from P0R to LAS are scheduled on a Monday (10 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (10 on average).

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 3.0 - 20.0 inches per month. February is typically the wettest month, when rainfall can reach 20.0 mm. May is typically the driest time to visit Las Vegas when rainfall is around 3.0 mm.

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 34.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 9.0 C).

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 21 January 2025.
Delta
8.0
Very Good
8,521 reviews
Check prices

Food

7.3

Entertainment

7.9

Boarding

8.2

Overall

8.0

Comfort

8.0

Crew

8.6

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
8,521 reviews
Delta
8.0
Very Good
8,521 reviews
Check prices

Food

7.3

Entertainment

7.9

Boarding

8.2

Overall

8.0

Comfort

8.0

Crew

8.6

Reviews

1 / 10

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

KLM
7.8
Good
1,341 reviews
Delta
8.0
Very Good
8,521 reviews
Check prices

Food

7.3

Entertainment

7.9

Boarding

8.2

Overall

8.0

Comfort

8.0

Crew

8.6

Reviews

1 / 10

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

Virgin Atlantic
7.5
Good
665 reviews
Delta
8.0
Very Good
8,521 reviews
Check prices

Food

7.3

Entertainment

7.9

Boarding

8.2

Overall

8.0

Comfort

8.0

Crew

8.6

Reviews

1 / 10

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

Aer Lingus
7.1
Good
1,082 reviews
Delta
8.0
Very Good
8,521 reviews
Check prices

Food

7.3

Entertainment

7.9

Boarding

8.2

Overall

8.0

Comfort

8.0

Crew

8.6

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 Portsmouth 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 airport do you fly into for flights to Las Vegas from Portsmouth?

    Las Vegas Harry Reid Intl (LAS), located 6.2 mi from the city center, is the airport you fly into when you book flights from Portsmouth to Las Vegas. 19 airlines have flights to Harry Reid Intl from Portsmouth on a regular basis. Booking flights from Portsmouth to Las Vegas Harry Reid Intl should not be difficult; the airport handles an average of 0 inbound flights from Portsmouth per day.

  • What are the most reliable airlines from Portsmouth to Las Vegas?

    The top 3 most reliable airlines when flying from Portsmouth to Las Vegas are KLM (82%), Air France (82%) and Delta (82%).

  • What are the cheapest flights from Portsmouth to Las Vegas?

    While on average a flight from Portsmouth to Las Vegas is generally £1,424, our data shows the cheapest flight currently is £531. When looking at the most popular route, (Southampton Eastleigh - Las Vegas Harry Reid Intl), you can expect to pay £621 for that flight.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Portsmouth 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 Portsmouth to Las Vegas?

    Currently, January is the cheapest month in which you can book a flight from Portsmouth to Las Vegas (average of £689). Flying from Portsmouth to Las Vegas in July is currently the most expensive (average of £1,020). 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

Travelling to a place near Portsmouth?

Book flights to Portsmouth if you plan to visit one of these locations
Kingman
Henderson
Primm
Paradise

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Top 10 airlines flying from Portsmouth to Las Vegas

Discover the top 10 airlines that operate flights from Portsmouth to Las Vegas. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 21 January 2025.
AirlineCheapestAverageFlexibilityOn-time
Norse Atlantic UKCheapest£266Average£418FlexibilityNo cancel feeOn-timeN/A
Search Norse Atlantic UK flights
WestJetCheapest£434Average£613FlexibilityNo cancel feeOn-time60%
Search WestJet flights
United AirlinesCheapest£444Average£617FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
FinnairCheapest£474Average£699FlexibilityNo cancel feeOn-time76%
Search Finnair flights
Air CanadaCheapest£491Average£648FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
IcelandairCheapest£491Average£750FlexibilityNo cancel feeOn-time76%
Search Icelandair flights
LufthansaCheapest£493Average£633FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
British AirwaysCheapest£494Average£699FlexibilityNo cancel feeOn-time70%
Search British Airways flights
KLMCheapest£522Average£788FlexibilityNo cancel feeOn-time75%
Search KLM flights
Virgin AtlanticCheapest£527Average£703FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Portsmouth to Las Vegas?

Cheapflights helps you search for flights from Portsmouth to Las Vegas via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

Why should you use Cheapflights to find cheap flight tickets from Portsmouth to Las Vegas?

Cheapflights helps you find that perfect flight to Las Vegas from Portsmouth by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

Can Cheapflights find flights from Portsmouth to Las Vegas with no change fees?

Cheapflights does show flights with no change fees to all users. To see these options for flights from Portsmouth to Las Vegas, users can toggle the no change fees filter when performing a flight search.

Can Cheapflights notify me if prices for flights from Portsmouth to Las Vegas become cheaper?

Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and provide a valid email address to enable Price Alerts. That’s it!

100% Free
Cheapflights is completely free to use, so you can start saving the moment you arrive.
Book with Flexibility
Our users can plan ahead with confidence and find flights with no change fees
Travel Smart
Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.