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Cheap flights from Portsmouth to North America from £284

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 8/5. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — LAX
28 Feb — 7 Mar1
1 adult

Cheap flight deals from Portsmouth to North America

Keep the following information in mind while searching for Portsmouth to North America flight deals. Data was last updated 23 February 2025.

Round-trip from

£483

One-way from

£284

Popular in

August

Cheapest in

January

Average price

£385
KLM
  • KLM
  • 7/4-13/4
  • 2 total stops
  • 51h 45m total
  • Portsmouth to North America
Search Deals
8/5
  • 8/5
  • 2 total stops
  • 31h 45m total
  • Portsmouth to North America
Search Deals
Highest demand for flights based on searches. 9% potential increase in price (£36 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (£8 potential savings vs. average return price).
Search Deals
Average for round-trip flights in February 2025
Search Deals

Find flight deals from Portsmouth to North America

Cheapest flights from Portsmouth to North America
Explore the most affordable flight options available from Portsmouth to North America. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 23 February 2025.

Sat 1/309:30SOU - JFK
1 stop30h 46mKLM
Mon 17/317:35JFK - SOU
1 stop10h 50mKLM
Deal found 22/2£407
Sat 1/309:30SOU - LGA
2 stops18h 19mDelta
Mon 17/312:52LGA - SOU
2 stops15h 33mDelta
Deal found 22/2£423
Sat 1/309:30SOU - JFK
2 stops18h 43mDelta
Mon 17/311:45JFK - SOU
2 stops16h 40mDelta
Deal found 22/2£423
Sat 1/309:30SOU - EWR
2 stops18h 39mDelta
Mon 17/313:00EWR - SOU
2 stops15h 25mDelta
Deal found 22/2£423
Mon 24/317:20SOU - MIA
2 stops29h 34mDelta
Thu 3/411:40MIA - SOU
2 stops16h 05mDelta
Deal found 22/2£507
Mon 7/417:35SOU - JFK
2 stops34h 48mVirgin Atlantic
Mon 14/413:10JFK - SOU
2 stops14h 40mVirgin Atlantic
Deal found 22/2£523
Tue 8/409:10SOU - YYZ
2 stops35h 30mMultiple Airlines
Tue 15/417:10YYZ - SOU
2 stops21h 20mMultiple Airlines
Deal found 22/2£537
Tue 8/417:35SOU - YYZ
1 stop31h 20mKLM
Tue 15/412:15YYZ - SOU
2 stops15h 30mKLM
Deal found 22/2£572
Mon 7/409:20SOU - YYZ
1 stop33h 00mDelta
Tue 15/409:45YYZ - SOU
2 stops18h 00mDelta
Deal found 22/2£576
Sun 4/518:25SOU - LAX
1 stop25h 25mDelta
Mon 19/509:59LAX - SOU
2 stops23h 01mDelta
Deal found 22/2£578
Mon 7/417:35SOU - LGA
2 stops31h 01mVirgin Atlantic
Mon 14/417:00LGA - SOU
2 stops34h 45mVirgin Atlantic
Deal found 22/2£594
Mon 7/417:35SOU - EWR
2 stops44h 06mVirgin Atlantic
Mon 14/419:35EWR - SOU
2 stops32h 10mVirgin Atlantic
Deal found 22/2£594

Find flights from Portsmouth to North America within your budget

Customise your flight search to find flights from Portsmouth to North America 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 23 February 2025.

Fly from

Portsmouth

Fly to

North America

Route

Depart

Return

Price

SouthamptonNew York

SOU - JFK

SOUJFK

Southampton Eastleigh

Mon 7/4

17:35-13:20

1 stop24h 45m

New York John F Kennedy Intl

Sun 13/4

00:50-08:50

1 stop27h 00m

£483

SouthamptonMiami

SOU - MIA

SOUMIA

Southampton Eastleigh

Mon 24/3

17:20-18:54

2 stops29h 34m

Miami

Thu 3/4

11:40-08:45

2 stops16h 05m

£507

SouthamptonNew York

SOU - JFK

SOUJFK

Southampton Eastleigh

Wed 9/4

09:20-21:30

2 stops17h 10m

New York John F Kennedy Intl

Wed 16/4

11:18-08:45

2 stops16h 27m

£514

SouthamptonNew York

SOU - JFK

SOUJFK

Southampton Eastleigh

Mon 7/4

17:35-23:23

2 stops34h 48m

New York John F Kennedy Intl

Mon 14/4

13:10-08:50

2 stops14h 40m

£523

SouthamptonToronto

SOU - YYZ

SOUYYZ

Southampton Eastleigh

Tue 8/4

09:10-15:40

2 stops35h 30m

Toronto Pearson Intl

Tue 15/4

17:10-19:30

2 stops21h 20m

£537

SouthamptonToronto

SOU - YYZ

SOUYYZ

Southampton Eastleigh

Tue 8/4

17:35-19:55

1 stop31h 20m

Toronto Pearson Intl

Tue 15/4

12:15-08:45

2 stops15h 30m

£572

SouthamptonToronto

SOU - YYZ

SOUYYZ

Southampton Eastleigh

Mon 7/4

09:20-13:20

1 stop33h 00m

Toronto Pearson Intl

Tue 15/4

09:45-08:45

2 stops18h 00m

£576

SouthamptonLos Angeles

SOU - LAX

SOULAX

Southampton Eastleigh

Sun 4/5

18:25-11:50

1 stop25h 25m

Los Angeles

Wed 21/5

14:05-17:00

2 stops18h 55m

£578

SouthamptonNew York

SOU - LGA

SOULGA

Southampton Eastleigh

Mon 7/4

17:35-19:36

2 stops31h 01m

New York LaGuardia

Mon 14/4

17:00-08:45

2 stops34h 45m

£594

SouthamptonNewark

SOU - EWR

SOUEWR

Southampton Eastleigh

Mon 7/4

17:35-08:41

2 stops44h 06m

Newark

Mon 14/4

19:35-08:45

2 stops32h 10m

£594

Flights are sorted by cheapest return flights first.

Deals found on 22/2

Showing 1-10 of 53 results
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Best time to book a flight from Portsmouth to North America

Have a flexible travel schedule? Discover the best time to fly to North America 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 North America

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

What is the cheapest month to book a flight from Portsmouth to North America?

Currently, January is the cheapest month in which you can book a flight from Portsmouth to North America (average of £575). Flying from Portsmouth to North America in July is currently the most expensive (average of £811). 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 NA?

Find hourly flight availability from Portsmouth to North America. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 23 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 North America as you normally would.

Weekly flight availability from Portsmouth to North America

Explore weekly flight availability from Portsmouth to North America. 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 23 February 2025.

The most flights from P0R to 0NA are scheduled on a Saturday (56 on average). You will have fewer flight options on Friday, which is when the least amount of flights are scheduled (42 on average).

Rainfall in North America by month

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

In terms of precipitation, rainfall in North America ranges from 71.0 - 114.0 inches per month. July is typically the wettest month, when rainfall can reach 114.0 mm. February is typically the driest time to visit North America when rainfall is around 71.0 mm.

Temperature in North America by month

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

If weather is an important factor for your trip to North America, 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 25.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 1.0 C).

Reviews of airlines servicing North America

Get insights into the airlines that provide service to North America. 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 North America. Reviews last updated 23 February 2025.
Delta
8.0
Very Good
8,203 reviews
Check prices

Entertainment

7.9

Comfort

8.0

Food

7.3

Boarding

8.2

Crew

8.5

Overall

8.0

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
8,203 reviews
Delta
8.0
Very Good
8,203 reviews
Check prices

Entertainment

7.9

Comfort

8.0

Food

7.3

Boarding

8.2

Crew

8.5

Overall

8.0

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
1,332 reviews
Delta
8.0
Very Good
8,203 reviews
Check prices

Entertainment

7.9

Comfort

8.0

Food

7.3

Boarding

8.2

Crew

8.5

Overall

8.0

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

Virgin Atlantic
7.5
Good
653 reviews
Delta
8.0
Very Good
8,203 reviews
Check prices

Entertainment

7.9

Comfort

8.0

Food

7.3

Boarding

8.2

Crew

8.5

Overall

8.0

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

Aer Lingus
7.0
Good
1,071 reviews
Delta
8.0
Very Good
8,203 reviews
Check prices

Entertainment

7.9

Comfort

8.0

Food

7.3

Boarding

8.2

Crew

8.5

Overall

8.0

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 Portsmouth to North America. 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 to fly from Portsmouth to North America one-way?

    £519 is the cheapest one-way deal found within the past few days, from Aer Lingus. You may also be able to find cheap deals on Virgin Atlantic and Delta, with prices starting from £952 and £1,125, respectively.

  • What are the most popular routes from Portsmouth to North America?

    The most popular route from Portsmouth to North America is Southampton Eastleigh - Jackson-Evers Intl. You may also consider Southampton Eastleigh - New York John F Kennedy Intl or Southampton Eastleigh - Newark.

  • What are the most reliable airlines from Portsmouth to North America?

    No one likes to see their flight delayed. When booking a flight from Portsmouth to North America consider choosing Royal Jordanian (93%), Fiji Airways (89%) or Malaysia Airlines (89%) as they are the most reliable in getting you off to your destination on time.

  • What are the cheapest flights from Portsmouth to North America?

    On average you can expect to pay £2,029 for a flight from Portsmouth to North America. The cheapest flight overall is £401 while the most popular route, (Southampton Eastleigh - Jackson-Evers Intl) is currently priced at £680.

  • Can I find deals for flights from Portsmouth to North America that include hotel bookings?

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

  • How can I find direct flights from Portsmouth to North America?

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

  • Can I find deals for business class flights from Portsmouth to North America?

    Yes. Cheapflights offers flight deals from Portsmouth to North America 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 North America?

    Currently, January is the cheapest month in which you can book a flight from Portsmouth to North America (average of £575). Flying from Portsmouth to North America in July is currently the most expensive (average of £811). 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

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Top 10 airlines flying from Portsmouth to North America

Discover the top 10 airlines that operate flights from Portsmouth to North America. 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 23 February 2025.
AirlineCheapestAverageFlexibilityOn-time
PLAYCheapest£275Average£431FlexibilityNo cancel feeOn-timeN/A
Search PLAY flights
TAP AIR PORTUGALCheapest£298Average£476FlexibilityNo cancel feeOn-timeN/A
Search TAP AIR PORTUGAL flights
DeltaCheapest£303Average£654FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
IcelandairCheapest£311Average£596FlexibilityNo cancel feeOn-time76%
Search Icelandair flights
Air CanadaCheapest£318Average£555FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
American AirlinesCheapest£328Average£664FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
SWISSCheapest£334Average£539FlexibilityNo cancel feeOn-time79%
Search SWISS flights
Scandinavian AirlinesCheapest£344Average£555FlexibilityNo cancel feeOn-time77%
Search Scandinavian Airlines flights
United AirlinesCheapest£364Average£633FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Austrian AirlinesCheapest£365Average£540FlexibilityNo cancel feeOn-time78%
Search Austrian Airlines flights

Fly with Cheapflights

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How does Cheapflights help users find flights from Portsmouth to North America?

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Why should you use Cheapflights to find cheap flight tickets from Portsmouth to North America?

Cheapflights helps you find that perfect flight to North America 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 North America with no change fees?

Yes! Cheapflights helps users easily find flights from Portsmouth to North America with no change fees.

Can Cheapflights notify me if prices for flights from Portsmouth to North America become cheaper?

Yes, Cheapflights offers price alerts on Portsmouth to North America flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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