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Cheap flights from Portsmouth to North America from £289

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 19/4. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — LAX
10 Mac — 17 Mac1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Portsmouth to North America

Enter your travel dates to find the best prices.

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 8 Februari 2026.

Isnin 23/216:05
SOU
-
EWR
2 stops26h 30m
Multiple Airlines
Isnin 9/318:40
EWR
-
SOU
2 stops16h 55m
Multiple Airlines
Deal found 7/2£394
Isnin 23/216:05
SOU
-
JFK
2 stops28h 40m
Multiple Airlines
Isnin 9/318:35
JFK
-
SOU
2 stops17h 00m
Multiple Airlines
Deal found 7/2£440
Khamis 26/209:30
SOU
-
YYZ
1 stop11h 25m
Aer Lingus
Isnin 2/317:25
YYZ
-
SOU
1 stop13h 30m
Aer Lingus
Deal found 5/2£503
Isnin 9/317:40
SOU
-
JFK
1 stop30h 40m
KLM
Rabu 25/318:45
JFK
-
SOU
1 stop9h 35m
KLM
Deal found 6/2£517
Selasa 22/920:00
SOU
-
JFK
2 stops21h 25m
Multiple Airlines
Isnin 28/916:55
JFK
-
SOU
1 stop10h 45m
Multiple Airlines
Deal found 7/2£534
Isnin 9/308:50
SOU
-
JFK
2 stops16h 39m
Virgin Atlantic
Rabu 25/317:40
JFK
-
SOU
1 stop10h 40m
Virgin Atlantic
Deal found 6/2£535
Isnin 9/319:55
SOU
-
EWR
2 stops24h 35m
Multiple Airlines
Selasa 24/318:45
EWR
-
SOU
1 stop13h 10m
Multiple Airlines
Deal found 8/2£538
Jumaat 18/920:00
SOU
-
JFK
2 stops21h 20m
Multiple Airlines
Selasa 29/916:55
JFK
-
SOU
1 stop10h 10m
Multiple Airlines
Deal found 7/2£538
Isnin 9/308:50
SOU
-
JFK
2 stops16h 39m
Delta
Rabu 25/319:59
JFK
-
SOU
2 stops17h 26m
Delta
Deal found 6/2£543
Isnin 9/308:50
SOU
-
EWR
2 stops18h 12m
Delta
Selasa 24/313:17
EWR
-
SOU
2 stops15h 03m
Delta
Deal found 8/2£544
Isnin 23/319:55
SOU
-
JFK
2 stops29h 10m
Multiple Airlines
Isnin 30/316:55
JFK
-
SOU
1 stop10h 45m
Multiple Airlines
Deal found 6/2£548
Selasa 24/317:35
SOU
-
JFK
1 stop22h 50m
KLM
Selasa 31/321:10
JFK
-
SOU
1 stop14h 40m
KLM
Deal found 7/2£549

Find 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 8 Februari 2026.

Round-trip from

£394

One-way from

£289

Popular in

July

Cheapest in

September

Average price

£360
23/2-9/3
  • 23/2-9/3
  • 4 total stops
  • 43h 25m total
  • Portsmouth to North America
Search Deals
19/4
  • 19/4
  • 3 total stops
  • 38h 55m total
  • Portsmouth to North America
Search Deals
Highest demand for flights based on searches. 8% potential increase in price (£28 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (£7 potential savings vs. average return price).
Search Deals
Average for round-trip flights in February 2026
Search Deals

Cheapflights Fare Finder

 
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 8 Februari 2026.
Use the filters below to find and compare flights from Portsmouth to North America that are best for you.

Fly from

Portsmouth

Fly to

North America

Route

Depart

Return

Price

SouthamptonNewark

SOU - EWR

SOUEWR

Southampton Eastleigh

Isnin 23/2

16:05-13:35

2 stops26h 30m

Newark

Isnin 9/3

18:40-15:35

2 stops16h 55m

£394

SouthamptonNew York

SOU - JFK

SOUJFK

Southampton Eastleigh

Isnin 9/3

08:50-21:29

2 stops16h 39m

New York John F Kennedy Intl

Rabu 25/3

17:40-08:20

1 stop10h 40m

£535

SouthamptonNew York

SOU - JFK

SOUJFK

Southampton Eastleigh

Isnin 9/3

08:50-21:29

2 stops16h 39m

New York John F Kennedy Intl

Rabu 25/3

19:59-17:25

2 stops17h 26m

£543

SouthamptonNewark

SOU - EWR

SOUEWR

Southampton Eastleigh

Isnin 9/3

08:50-23:02

2 stops18h 12m

Newark

Selasa 24/3

13:17-08:20

2 stops15h 03m

£544

SouthamptonNew York

SOU - JFK

SOUJFK

Southampton Eastleigh

Isnin 23/3

19:55-21:05

2 stops29h 10m

New York John F Kennedy Intl

Isnin 30/3

16:55-08:40

1 stop10h 45m

£548

SouthamptonNew York

SOU - JFK

SOUJFK

Southampton Eastleigh

Isnin 23/3

17:40-16:45

1 stop27h 05m

New York John F Kennedy Intl

Isnin 30/3

16:40-08:35

1 stop10h 55m

£552

SouthamptonNew York

SOU - JFK

SOUJFK

Southampton Eastleigh

Selasa 24/3

08:50-16:45

1 stop11h 55m

New York John F Kennedy Intl

Selasa 31/3

13:50-08:35

2 stops13h 45m

£558

SouthamptonNew York

SOU - JFK

SOUJFK

Southampton Eastleigh

Selasa 24/3

08:50-21:29

2 stops16h 39m

New York John F Kennedy Intl

Selasa 31/3

13:50-08:35

2 stops13h 45m

£563

SouthamptonNew York

SOU - JFK

SOUJFK

Southampton Eastleigh

Selasa 17/3

08:50-16:45

1 stop11h 55m

New York John F Kennedy Intl

Selasa 31/3

22:30-16:50

1 stop13h 20m

£565

SouthamptonNew York

SOU - JFK

SOUJFK

Southampton Eastleigh

Ahad 15/3

17:45-14:15

1 stop24h 30m

New York John F Kennedy Intl

Isnin 30/3

13:50-08:35

2 stops13h 45m

£565

Flights are sorted by cheapest return flights first.

Deals found on 5/2

Showing 1-10 of 60 results
1
2
3
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6

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.

Cheapflights Insights

Everything you need to know about your flight from Portsmouth to North America

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

Currently, October is the cheapest month in which you can book a flight from Portsmouth to North America (average of £89). Flying from Portsmouth to North America in December is currently the most expensive (average of £294). 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 8 Februari 2026.

One of the essential ways to save on airfare from Portsmouth to North America is to remain as flexible as possible. Flights that are in the afternoon tend to be the most expensive. A flight in the morning could potentially save you up to 8% on airfare.

What is the cheapest day to fly from Portsmouth to North America?

Use this chart to determine the cheapest time to fly return from Portsmouth to North America. Price data was last updated on 7 February 2026.

Travellers seeking maximum savings on their Portsmouth to North America flight should consider departing on Friday evenings when fares are most often at their lowest. Sunday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

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 8 Februari 2026.

The most flights from P0R to 0NA are scheduled on a Tuesday (50 on average). You will have fewer flight options on Sunday, which is when the least amount of flights are scheduled (36 on average).

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 8 Februari 2026.
Get a feel of what it's like to fly with KLM, Virgin Atlantic, andAer Lingus from Portsmouth to North America by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
KLM
7.7
Good
1,450 reviews
Check prices

Boarding

7.8

Comfort

7.6

Crew

8.4

Entertainment

7.1

Overall

7.7

Food

7.3

Reviews

1 / 20
10.0
Excellent

Snapyou,Jan 2026

TPA - LHR

Flight operated by Virgin Atlantic - usual high standard service by Virgin.
KLM
7.7
Good
1,450 reviews
KLM
7.7
Good
1,450 reviews
Check prices

Boarding

7.8

Comfort

7.6

Crew

8.4

Entertainment

7.1

Overall

7.7

Food

7.3

Reviews

1 / 20
10.0
Excellent

Snapyou,Jan 2026

TPA - LHR

Flight operated by Virgin Atlantic - usual high standard service by Virgin.
Virgin Atlantic
7.5
Good
678 reviews
KLM
7.7
Good
1,450 reviews
Check prices

Boarding

7.8

Comfort

7.6

Crew

8.4

Entertainment

7.1

Overall

7.7

Food

7.3

Reviews

1 / 20
10.0
Excellent

Snapyou,Jan 2026

TPA - LHR

Flight operated by Virgin Atlantic - usual high standard service by Virgin.
Aer Lingus
7.2
Good
1,447 reviews
KLM
7.7
Good
1,450 reviews
Check prices

Boarding

7.8

Comfort

7.6

Crew

8.4

Entertainment

7.1

Overall

7.7

Food

7.3

Reviews

1 / 20
10.0
Excellent

Snapyou,Jan 2026

TPA - LHR

Flight operated by Virgin Atlantic - usual high standard service by Virgin.

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.

  • How long is the flight from Portsmouth to North America?

    A quick flight from Portsmouth to North America can take about 16h 39m. Virgin Atlantic provides one of the quickest options available for as low as £535. The distance between Portsmouth and North America is about 3414 mi. Both multi-stop and direct flights can be found to your destination and back.

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

    The most popular route from Portsmouth to North America is Southampton Eastleigh - Los Angeles. 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 SriLankan Airlines (94%), Air Canada (88%) or Austrian Airlines (88%) 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 £2,799 for a flight from Portsmouth to North America. The cheapest flight overall is £338 while the most popular route, (Southampton Eastleigh - Los Angeles) is currently priced at £695.

  • 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, October is the cheapest month in which you can book a flight from Portsmouth to North America (average of £89). Flying from Portsmouth to North America in December is currently the most expensive (average of £294). 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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Alternative routes for Portsmouth to North America

See prices for flight routes from nearby airports that may be better suited for you.
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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 8 Februari 2026.
AirlineCheapestAverageFlexibilityOn-time
JetBlueCheapest£89Average£576FlexibilityNo cancel feeOn-time62%
Search JetBlue flights
DeltaCheapest£145Average£576FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
Air CanadaCheapest£213Average£510FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
TAP AIR PORTUGALCheapest£222Average£465FlexibilityNo cancel feeOn-timeN/A
Search TAP AIR PORTUGAL flights
IberiaCheapest£235Average£563FlexibilityNo cancel feeOn-time77%
Search Iberia flights
FinnairCheapest£269Average£508FlexibilityNo cancel feeOn-time76%
Search Finnair flights
SWISSCheapest£273Average£469FlexibilityNo cancel feeOn-time79%
Search SWISS flights
IcelandairCheapest£279Average£478FlexibilityNo cancel feeOn-time76%
Search Icelandair flights
Scandinavian AirlinesCheapest£280Average£495FlexibilityNo cancel feeOn-time77%
Search Scandinavian Airlines flights
PLAYCheapest£282Average£413FlexibilityNo cancel feeOn-timeN/A
Search PLAY 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 North America?

900+ travel sites are searched through when a user searches for a flight using Cheapflights. From the search interface, users can use filters to choose airlines, airports, flight times, cabin classes and more to their preference. Book your flight to North America from Portsmouth today with Cheapflights!

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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