Portsmouth

$1,020+ Cheap flights from Las Vegas (LAS) to Portsmouth, England

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 12/23. Fares are subject to change and may not be available on all flights or dates of travel.
LAS — LHR
Mar 4 — Mar 111
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Cheap flight deals from Las Vegas to Portsmouth

Keep the following information in mind while searching for Las Vegas to Portsmouth flight deals. Data was last updated February 27, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Popular in

June

Cheapest in

January

Average price

$580
Provider with most accurate pricing for Las Vegas Harry Reid Intl-London (LON) flight deals.
Provider most trusted by Cheapflights users for Las Vegas Harry Reid Intl-London (LON) flights.
Highest demand for flights based on searches. 27% potential increase in price ($303 potential increase over avg. RT price).
Cheapest flight prices on average. 4% potential price decrease ($37 potential savings vs. average RT price).
Average for round-trip flights in February 2025

Find flight deals from Las Vegas to Portsmouth

Cheapest flights from Las Vegas to Portsmouth
Explore the most affordable flight options available from Las Vegas to Portsmouth. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 27, 2025.

This Delta deal was found by Cheapflights users on 2/27. 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.
Tue 12/239:50 amLAS - SOU
2 stops23h 00mDelta
Tue 12/309:00 amSOU - LAS
2 stops20h 55mDelta
Deal found 2/27$1,020
This Expedia deal was found by Cheapflights users on 2/27. 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 4/611:59 pmLAS - SOU
2 stops24h 16mAer Lingus
Sun 4/139:10 amSOU - LAS
2 stops21h 51mAer Lingus
Deal found 2/27$1,117
This Mytrip deal was found by Cheapflights users on 2/27. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/51:01 amLAS - SOU
3 stops33h 54mMultiple Airlines
Sun 4/138:00 pmSOU - LAS
3 stops35h 48mMultiple Airlines
Deal found 2/27$1,127
This KLM deal was found by Cheapflights users on 2/27. 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.
Sun 4/64:05 pmLAS - SOU
1 stop32h 45mKLM
Sun 4/136:25 pmSOU - LAS
1 stop27h 00mKLM
Deal found 2/27$1,268
This British Airways deal was found by Cheapflights users on 2/27. 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.
Tue 12/237:35 pmLAS - SOU
1 stop16h 05mBritish Airways
Tue 12/307:55 pmSOU - LAS
2 stops30h 55mBritish Airways
Deal found 2/27$3,641

Find flights from Las Vegas to Portsmouth within your budget

Customize your flight search to find flights from Las Vegas to Portsmouth 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 February 27, 2025.

Fly from

Las Vegas

Fly to

Portsmouth

Route

Depart

Return

Price

Las VegasSouthampton

LAS - SOU

LASSOU

Las Vegas Harry Reid Intl

Sun 4/6

11:59 pm-8:15 am

2 stops24h 16m

Southampton Eastleigh

Sun 4/13

9:10 am-11:01 pm

2 stops21h 51m

$1,117

Las VegasSouthampton

LAS - SOU

LASSOU

Las Vegas Harry Reid Intl

Sat 4/5

1:01 am-6:55 pm

3 stops33h 54m

Southampton Eastleigh

Sun 4/13

8:00 pm-11:48 pm

3 stops35h 48m

$1,127

Las VegasSouthampton

LAS - SOU

LASSOU

Las Vegas Harry Reid Intl

Sun 4/6

4:05 pm-8:50 am

1 stop32h 45m

Southampton Eastleigh

Sun 4/13

6:25 pm-1:25 pm

1 stop27h 00m

$1,268

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/27

Best time to book a flight from Las Vegas to Portsmouth

Have a flexible travel schedule? Discover the best time to fly to Portsmouth from Las Vegas 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 Las Vegas to Portsmouth

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

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

Currently, November is the cheapest month in which you can book a flight from Las Vegas to Portsmouth (average of $661). Flying from Las Vegas to Portsmouth in June is currently the most expensive (average of $1,135). 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 LAS to P0R?

Find hourly flight availability from Las Vegas to Portsmouth. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated February 27, 2025.

When flying from Las Vegas to Portsmouth, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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

Use this chart to determine the cheapest time to fly round-trip from Las Vegas to Portsmouth. Price data was last updated on December 16, 2024.

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

Weekly flight availability from Las Vegas to Portsmouth

Explore weekly flight availability from Las Vegas to Portsmouth. 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 February 27, 2025.

The most flights from LAS to P0R are scheduled on a Wednesday (11 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (5 on average).

Rainfall in Portsmouth by month

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

In terms of precipitation, rainfall in Portsmouth ranges from 1.0 - 3.0 inches per month. December is typically the wettest month, when rainfall can reach 3.0 in. July is typically the driest time to visit Portsmouth when rainfall is around 1.0 in.

Temperature in Portsmouth by month

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

If weather is an important factor for your trip to Portsmouth, 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 64.4 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 39.2 F).

Related info for your journey

Find useful and relevant information for your journey from Las Vegas to Portsmouth. 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 from for flights from Las Vegas to Portsmouth?

    Las Vegas Harry Reid Intl (LAS) is the airport you will fly out of if you book a flight from Las Vegas to Portsmouth. You should not have trouble finding flights to Portsmouth from Harry Reid Intl; the airport handles an average of 0 outbound flights to Portsmouth per day. You should also have plenty of airline options to choose from since 12 airlines have flights from the Las Vegas airport to Portsmouth. It is only a 6.2 mi journey to Harry Reid Intl (LAS) from Las Vegas’s city center.

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

    Before booking your flight to Portsmouth from Las Vegas, check out the most reliable airlines to get you to your destination on time: KLM (90%), Air France (90%), Delta( 90%).

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

    While on average a flight from Las Vegas to Portsmouth is generally $1,275, our data shows the cheapest flight currently is $428. When looking at the most popular route, (Las Vegas Harry Reid Intl - Southampton Eastleigh), you can expect to pay $3,381 for that flight.

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

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

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

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

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

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

    Currently, November is the cheapest month in which you can book a flight from Las Vegas to Portsmouth (average of $661). Flying from Las Vegas to Portsmouth in June is currently the most expensive (average of $1,135). 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.

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Top 10 airlines flying from Las Vegas to Portsmouth

Discover the top 10 airlines that operate flights from Las Vegas to Portsmouth. 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 2,558,603 searches. Data last updated February 27, 2025.
AirlineCheapestAverageFlexibilityOn-time
WestJetCheapest$269Average$1,176FlexibilityNo cancel feeOn-time60%
Norse Atlantic UKCheapest$332Average$448FlexibilityNo cancel feeOn-timeN/A
Air CanadaCheapest$502Average$662FlexibilityNo cancel feeOn-time67%
United AirlinesCheapest$505Average$714FlexibilityNo cancel feeOn-time69%
KLMCheapest$542Average$1,391FlexibilityNo cancel feeOn-time75%
American AirlinesCheapest$558Average$886FlexibilityNo cancel feeOn-time71%
IberiaCheapest$559Average$754FlexibilityNo cancel feeOn-time77%
Virgin AtlanticCheapest$565Average$1,005FlexibilityNo cancel feeOn-time72%
British AirwaysCheapest$572Average$876FlexibilityNo cancel feeOn-time70%
DeltaCheapest$595Average$911FlexibilityNo cancel feeOn-timeN/A
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