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Cheap flights from Portsmouth to Las Vegas from £471

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 15/6. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — LAS
26 Feb — 5 Mar1
1 adult

Cheap flight deals from Portsmouth to Las Vegas

Keep the following information in mind while searching for Portsmouth to Las Vegas flight deals. Data was last updated 21 February 2025.

Round-trip from

£826

One-way from

£471

Popular in

August

Cheapest in

March

Average price

£637
KLM
  • KLM
  • 11/6-15/6
  • 2 total stops
  • 45h 40m total
  • Portsmouth to Las Vegas
Search Deals
15/6
  • 15/6
  • 3 total stops
  • 48h 37m total
  • Portsmouth to Las Vegas
Search Deals
Highest demand for flights based on searches. 9% potential increase in price (£80 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 February 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 February 2025.

Fri 28/209:00SOU - LAS
2 stops21h 22mDelta
Mon 3/306:00LAS - SOU
2 stops18h 25mDelta
Deal found 20/2£727
Wed 11/609:20SOU - LAS
1 stop17h 15mKLM
Sun 15/620:25LAS - SOU
1 stop28h 25mKLM
Deal found 20/2£826
Sat 5/416:25SOU - LAS
2 stops37h 18mAer Lingus
Sat 12/407:00LAS - SOU
2 stops17h 35mAer Lingus
Deal found 20/2£894
Sat 5/416:25SOU - LAS
3 stops37h 03mMultiple Airlines
Fri 11/400:55LAS - SOU
3 stops34h 35mMultiple Airlines
Deal found 20/2£1,100
Wed 11/609:20SOU - LAS
2 stops22h 25mVirgin Atlantic
Sun 15/620:25LAS - SOU
1 stop12h 35mVirgin Atlantic
Deal found 20/2£4,023

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 February 2025.

Fly from

Portsmouth

Fly to

Las Vegas

Route

Depart

Return

Price

SouthamptonLas Vegas

SOU - LAS

SOULAS

Southampton Eastleigh

Wed 11/6

09:20-18:35

1 stop17h 15m

Las Vegas Harry Reid Intl

Sun 15/6

20:25-08:50

1 stop28h 25m

£826

SouthamptonLas Vegas

SOU - LAS

SOULAS

Southampton Eastleigh

Sat 5/4

16:25-21:43

2 stops37h 18m

Las Vegas Harry Reid Intl

Sat 12/4

07:00-08:35

2 stops17h 35m

£894

SouthamptonLas Vegas

SOU - LAS

SOULAS

Southampton Eastleigh

Sat 5/4

16:25-21:28

3 stops37h 03m

Las Vegas Harry Reid Intl

Fri 11/4

00:55-19:30

3 stops34h 35m

£1,100

SouthamptonLas Vegas

SOU - LAS

SOULAS

Southampton Eastleigh

Wed 11/6

09:20-23:45

2 stops22h 25m

Las Vegas Harry Reid Intl

Sun 15/6

20:25-17:00

1 stop12h 35m

£4,023

SouthamptonLas Vegas

SOU - LAS

SOULAS

Southampton Eastleigh

Sun 15/6

16:35-09:12

3 stops48h 37m

£471

SouthamptonLas Vegas

SOU - LAS

SOULAS

Southampton Eastleigh

Sun 15/6

17:35-18:35

1 stop33h 00m

£1,405

Flights are sorted by cheapest return flights first.

Deals found on 20/2

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 February 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 February 2025.

The most flights from P0R to LAS are scheduled on a Wednesday (14 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 February 2025.
KLM
7.8
Good
1,333 reviews
Check prices

Boarding

7.8

Entertainment

7.2

Comfort

7.7

Crew

8.4

Food

7.3

Overall

7.8

Reviews

1 / 20

8.0
Excellent

Anonymous,Dec 2024

YWG - YYZ

I could not select a seat prior to check in as systems not integrated. Different PNRs should be on reservation which would make process easier.

KLM
7.8
Good
1,333 reviews
KLM
7.8
Good
1,333 reviews
Check prices

Boarding

7.8

Entertainment

7.2

Comfort

7.7

Crew

8.4

Food

7.3

Overall

7.8

Reviews

1 / 20

8.0
Excellent

Anonymous,Dec 2024

YWG - YYZ

I could not select a seat prior to check in as systems not integrated. Different PNRs should be on reservation which would make process easier.

Virgin Atlantic
7.5
Good
654 reviews
KLM
7.8
Good
1,333 reviews
Check prices

Boarding

7.8

Entertainment

7.2

Comfort

7.7

Crew

8.4

Food

7.3

Overall

7.8

Reviews

1 / 20

8.0
Excellent

Anonymous,Dec 2024

YWG - YYZ

I could not select a seat prior to check in as systems not integrated. Different PNRs should be on reservation which would make process easier.

Aer Lingus
7.0
Good
1,070 reviews
KLM
7.8
Good
1,333 reviews
Check prices

Boarding

7.8

Entertainment

7.2

Comfort

7.7

Crew

8.4

Food

7.3

Overall

7.8

Reviews

1 / 20

8.0
Excellent

Anonymous,Dec 2024

YWG - YYZ

I could not select a seat prior to check in as systems not integrated. Different PNRs should be on reservation which would make process easier.

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 (86%), Air France (86%) and Delta (86%).

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

    While on average a flight from Portsmouth to Las Vegas is generally £1,333, our data shows the cheapest flight currently is £522. When looking at the most popular route, (Southampton Eastleigh - Las Vegas Harry Reid Intl), you can expect to pay £727 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
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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 February 2025.
AirlineCheapestAverageFlexibilityOn-time
Norse Atlantic UKCheapest£259Average£408FlexibilityNo cancel feeOn-timeN/A
Search Norse Atlantic UK flights
WestJetCheapest£419Average£507FlexibilityNo cancel feeOn-time60%
Search WestJet flights
FinnairCheapest£462Average£689FlexibilityNo cancel feeOn-time76%
Search Finnair flights
IcelandairCheapest£478Average£746FlexibilityNo cancel feeOn-time76%
Search Icelandair flights
British AirwaysCheapest£481Average£658FlexibilityNo cancel feeOn-time70%
Search British Airways flights
United AirlinesCheapest£488Average£672FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
LufthansaCheapest£507Average£631FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
KLMCheapest£508Average£762FlexibilityNo cancel feeOn-time75%
Search KLM flights
Virgin AtlanticCheapest£513Average£742FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
Air CanadaCheapest£513Average£639FlexibilityNo cancel feeOn-time67%
Search Air Canada flights

Fly with Cheapflights

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

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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.

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