How long is the flight from Portsmouth to North America?

A quick flight from Portsmouth to North America can take about 18h 57m. KLM provides one of the quickest options available for as low as £423. The distance between Portsmouth and North America is about 3412 mi. Both multi-stop and direct flights can be found to your destination and back.

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.

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).

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

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

What are the cheapest flights from Portsmouth to North America?

On average you can expect to pay £2,628 for a flight from Portsmouth to North America. The cheapest flight overall is £375 while the most popular route, (Southampton Eastleigh - Newark) is currently priced at £430.

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 (89%), Aeromexico (86%) or KLM (86%) as they are the most reliable in getting you off to your destination on time.

What are the most popular airlines that fly from Portsmouth to North America?

American Airlines, Air Canada and Air France are the most popular airlines when flying from Portsmouth to North America.

How far in advance should I book a flight from Portsmouth to North America?

Travelers have found it’s best to book a flight 38 days in advance to save up to 29% compared to booking the same week of travel. As your travel date approaches, the cost of this flight route may potentially increase. While opting to book 38 days out may not be an option for all, there are still additional ways to secure a deal in the near future. You might find a flight from Portsmouth to North America 1-2 weeks in advance for as low as £380, or £619 for flights within the next 24 hours.

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

Our data shows that September tends to be the cheapest month to fly to North America from Portsmouth. Users have commonly found prices around £401 for the month, but tickets can be as low as £272. Due to multiple factors, prepare for potentially higher prices in December.

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.

£374+ Cheap Flights from Portsmouth to North America

Cheap flight deals from Portsmouth to North America

Round-trip from	£380
One-way from	£374
Popular in	December
Cheapest in	September
Average price	£354

30/10-6/11
5 total stops
54h 15m total
Portsmouth to North America

Search Deals

1/3
2 total stops
28h 25m total
Portsmouth to North America

Search Deals

Highest demand for flights based on searches. 3% potential increase in price (£10 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 September 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 16 9月 2025.

週四 30/1009:30SOU - EWR

3 stops33h 05mMultiple Airlines

週四 6/1117:30EWR - SOU

2 stops21h 10mMultiple Airlines

Deal found 15/9£380

週一 22/917:35SOU - JFK

1 stop10h 15mVirgin Atlantic

週日 5/1017:30JFK - SOU

1 stop10h 15mVirgin Atlantic

Deal found 15/9£419

週日 21/918:25SOU - JFK

1 stop29h 40mKLM

週日 5/1019:25JFK - SOU

1 stop32h 20mKLM

Deal found 14/9£421

週四 30/1018:05SOU - JFK

1 stop30h 15mKLM

週四 6/1116:45JFK - SOU

1 stop19h 15mKLM

Deal found 15/9£422

週二 28/1008:40SOU - LGA

2 stops18h 57mDelta

週二 4/1112:55LGA - SOU

2 stops14h 15mDelta

Deal found 13/9£423

週六 20/909:20SOU - LGA

2 stops18h 47mDelta

週五 3/1016:00LGA - SOU

2 stops11h 45mDelta

Deal found 13/9£431

週一 22/909:20SOU - JFK

2 stops18h 03mDelta

週日 5/1014:35JFK - SOU

2 stops13h 10mDelta

Deal found 15/9£442

週四 30/1008:50SOU - JFK

2 stops37h 55mVirgin Atlantic

週四 6/1116:45JFK - SOU

1 stop10h 20mVirgin Atlantic

Deal found 15/9£443

週日 21/918:25SOU - JFK

1 stop26h 00mVirgin Atlantic

週日 5/1017:55JFK - SOU

2 stops33h 50mVirgin Atlantic

Deal found 14/9£449

週二 23/917:35SOU - JFK

1 stop23h 45mDelta

週一 29/909:35JFK - SOU

2 stops18h 10mDelta

Deal found 15/9£450

週日 21/918:25SOU - JFK

1 stop22h 55mDelta

週日 5/1017:30JFK - SOU

1 stop10h 15mDelta

Deal found 14/9£450

週二 23/909:20SOU - EWR

2 stops15h 10mDelta

週四 2/1015:21EWR - SOU

2 stops12h 24mDelta

Deal found 15/9£453

Best flights from Portsmouth to North America
Discover carefully curated flight deals from Portsmouth to North America that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 16 9月 2025.

週四 30/1009:30SOU - EWR

3 stops33h 05mMultiple Airlines

週四 6/1117:30EWR - SOU

2 stops21h 10mMultiple Airlines

Deal found 15/9£382

週四 30/1018:05SOU - JFK

1 stop26h 40mKLM

週四 6/1116:45JFK - SOU

1 stop10h 20mKLM

Deal found 15/9£419

週二 28/1008:40SOU - LGA

2 stops18h 57mDelta

週二 4/1112:55LGA - SOU

2 stops14h 15mDelta

Deal found 13/9£423

週四 30/1018:05SOU - LAX

2 stops28h 55mVirgin Atlantic

週四 6/1106:00LAX - SOU

2 stops18h 05mVirgin Atlantic

Deal found 15/9£478

週五 20/209:30SOU - LGA

2 stops17h 00mBritish Airways

週一 23/213:15LGA - SOU

2 stops17h 40mBritish Airways

Deal found 14/9£538

週四 6/1108:50SOU - JFK

1 stop11h 55mDelta

週五 14/1117:45JFK - SOU

1 stop10h 05mDelta

Deal found 15/9£450

週三 29/1008:40SOU - MCO

1 stop13h 15mKLM

週三 5/1113:25MCO - SOU

2 stops13h 55mKLM

Deal found 14/9£461

週六 8/1109:25SOU - JFK

1 stop11h 20mDelta

週五 14/1110:07JFK - SOU

2 stops17h 43mDelta

Deal found 15/9£450

週四 30/1018:05SOU - EWR

2 stops25h 50mKLM

週四 6/1117:05EWR - SOU

2 stops18h 55mKLM

Deal found 15/9£465

週六 7/317:30SOU - MIA

1 stop26h 20mVirgin Atlantic

週三 11/315:35MIA - SOU

2 stops21h 50mVirgin Atlantic

Deal found 13/9£536

週六 8/1109:25SOU - JFK

1 stop11h 20mDelta

週六 15/1117:45JFK - SOU

1 stop10h 05mDelta

Deal found 15/9£450

週一 27/1018:05SOU - MCO

1 stop27h 50mKLM

週三 5/1119:30MCO - SOU

1 stop16h 55mKLM

Deal found 14/9£467

Last-minute flights from Portsmouth to North America
Discover last-minute flight deals from Portsmouth to North America. Data last updated 16 9月 2025 and is based on user searches.

週六 20/909:20SOU - LGA

2 stops18h 47mDelta

週五 3/1016:00LGA - SOU

2 stops11h 45mDelta

Deal found 13/9£431

週日 21/918:25SOU - JFK

1 stop29h 40mKLM

週日 5/1019:25JFK - SOU

1 stop32h 20mKLM

Deal found 14/9£421

週日 21/918:25SOU - JFK

1 stop26h 00mVirgin Atlantic

週日 5/1017:55JFK - SOU

2 stops33h 50mVirgin Atlantic

Deal found 14/9£449

週日 21/918:25SOU - JFK

1 stop22h 55mDelta

週日 5/1017:30JFK - SOU

1 stop10h 15mDelta

Deal found 14/9£450

週一 22/917:35SOU - JFK

1 stop10h 15mVirgin Atlantic

週日 5/1017:30JFK - SOU

1 stop10h 15mVirgin Atlantic

Deal found 15/9£419

週一 22/909:20SOU - JFK

2 stops18h 03mDelta

週日 5/1014:35JFK - SOU

2 stops13h 10mDelta

Deal found 15/9£442

週二 23/909:20SOU - JFK

1 stop11h 05mDelta

週三 1/1017:30JFK - SOU

1 stop10h 15mDelta

Deal found 15/9£450

週二 23/909:20SOU - EWR

2 stops15h 10mDelta

週四 2/1015:21EWR - SOU

2 stops12h 24mDelta

Deal found 15/9£453

週二 28/1008:40SOU - LGA

2 stops18h 57mDelta

週二 4/1112:55LGA - SOU

2 stops14h 15mDelta

Deal found 13/9£423

週四 30/1009:30SOU - EWR

3 stops33h 05mMultiple Airlines

週四 6/1117:30EWR - SOU

2 stops21h 10mMultiple Airlines

Deal found 15/9£380

週四 30/1018:05SOU - JFK

1 stop30h 15mKLM

週四 6/1116:45JFK - SOU

1 stop19h 15mKLM

Deal found 15/9£422

週四 30/1008:50SOU - JFK

2 stops37h 55mVirgin Atlantic

週四 6/1116:45JFK - SOU

1 stop10h 20mVirgin Atlantic

Deal found 15/9£443

One-way flights from Portsmouth to North America
Search for one-way flight options from Portsmouth to North America. Find affordable one-way fares based on user searches. Data last updated 16 9月 2025.

週日 1/320:10SOU - CUN

2 stops28h 25mMultiple Airlines

Deal found 15/9£374

週六 8/1109:30SOU - LGA

2 stops28h 08mBritish Airways

Deal found 14/9£377

週六 8/1109:30SOU - JFK

1 stop14h 55mBritish Airways

Deal found 14/9£380

週五 14/1120:10SOU - JFK

1 stop28h 15mBritish Airways

Deal found 14/9£386

週四 25/1214:15SOU - YYZ

3 stops26h 55mMultiple Airlines

Deal found 13/9£391

週一 10/1109:30SOU - LGA

2 stops28h 08mBritish Airways

Deal found 14/9£398

週日 9/1119:40SOU - JFK

2 stops28h 45mBritish Airways

Deal found 14/9£401

週四 13/1108:40SOU - JFK

2 stops15h 45mBritish Airways

Deal found 14/9£403

週日 9/1120:10SOU - LGA

2 stops30h 16mBritish Airways

Deal found 14/9£403

週一 10/1109:30SOU - EWR

1 stop11h 45mBritish Airways

Deal found 14/9£407

週日 9/1116:05SOU - EWR

1 stop29h 10mBritish Airways

Deal found 14/9£412

週日 14/1209:30SOU - JFK

1 stop14h 55mBritish Airways

Deal found 15/9£416

Cheapflights Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

SouthamptonNewark

SOU - EWR

SOUEWR

Southampton Eastleigh

週四 30/10

09:30-14:35

3 stops33h 05m

Newark

週四 6/11

17:30-19:40

2 stops21h 10m

£382

SouthamptonNew York

SOU - JFK

SOUJFK

Southampton Eastleigh

週四 30/10

18:05-16:45

1 stop26h 40m

New York John F Kennedy Intl

週四 6/11

16:45-08:05

1 stop10h 20m

£419

SouthamptonNew York

SOU - LGA

SOULGA

Southampton Eastleigh

週二 28/10

08:40-23:37

2 stops18h 57m

New York LaGuardia

週二 4/11

12:55-08:10

2 stops14h 15m

£423

SouthamptonNew York

SOU - JFK

SOUJFK

Southampton Eastleigh

週四 6/11

08:50-15:45

1 stop11h 55m

New York John F Kennedy Intl

週五 14/11

17:45-08:50

1 stop10h 05m

£450

SouthamptonNew York

SOU - JFK

SOUJFK

Southampton Eastleigh

週六 8/11

09:25-15:45

1 stop11h 20m

New York John F Kennedy Intl

週五 14/11

10:07-08:50

2 stops17h 43m

£450

SouthamptonNew York

SOU - JFK

SOUJFK

Southampton Eastleigh

週六 8/11

09:25-15:45

1 stop11h 20m

New York John F Kennedy Intl

週六 15/11

17:45-08:50

1 stop10h 05m

£450

SouthamptonNew York

SOU - JFK

SOUJFK

Southampton Eastleigh

週五 7/11

17:30-13:10

1 stop24h 40m

New York John F Kennedy Intl

週五 14/11

16:45-08:50

1 stop11h 05m

£450

SouthamptonNew York

SOU - JFK

SOUJFK

Southampton Eastleigh

週四 6/11

08:50-15:45

1 stop11h 55m

New York John F Kennedy Intl

週四 13/11

17:45-08:05

1 stop9h 20m

£450

SouthamptonNew York

SOU - JFK

SOUJFK

Southampton Eastleigh

週五 7/11

17:30-11:25

1 stop22h 55m

New York John F Kennedy Intl

週四 13/11

17:45-08:05

1 stop9h 20m

£450

SouthamptonNew York

SOU - JFK

SOUJFK

Southampton Eastleigh

週五 7/11

17:30-11:25

1 stop22h 55m

New York John F Kennedy Intl

週六 15/11

17:45-08:50

1 stop10h 05m

£450

Flights are sorted by cheapest return flights first.

Deals found on 15/9

Showing 1-10 of 60 results

...

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, September is the cheapest month in which you can book a flight from Portsmouth to North America (average of £573). 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?

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

The most flights from P0R to 0NA are scheduled on a Saturday (54 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (53 on average).

Reviews of airlines servicing North America

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

7.8

Good

1,385 reviews

Check prices

Reviews

1 / 20

4.0

Okay

Mark,Sept 2025

AMS - BHX

Crew and snacks were good, boarding wasn't great as busses were used rather than boarding tunnels. Also endured a one hour delay.

KLM

7.8

Good

1,385 reviews

KLM

7.8

Good

1,385 reviews

Check prices

Reviews

1 / 20

4.0

Okay

Mark,Sept 2025

AMS - BHX

Crew and snacks were good, boarding wasn't great as busses were used rather than boarding tunnels. Also endured a one hour delay.

Virgin Atlantic

7.4

Good

664 reviews

KLM

7.8

Good

1,385 reviews

Check prices

Reviews

1 / 20

4.0

Okay

Mark,Sept 2025

AMS - BHX

Crew and snacks were good, boarding wasn't great as busses were used rather than boarding tunnels. Also endured a one hour delay.

Aer Lingus

7.2

Good

1,270 reviews

KLM

7.8

Good

1,385 reviews

Check prices

Reviews

1 / 20

4.0

Okay

Mark,Sept 2025

AMS - BHX

Crew and snacks were good, boarding wasn't great as busses were used rather than boarding tunnels. Also endured a one hour delay.

British Airways

6.7

Okay

7,361 reviews

KLM

7.8

Good

1,385 reviews

Check prices

Reviews

1 / 20

4.0

Okay

Mark,Sept 2025

AMS - BHX

Crew and snacks were good, boarding wasn't great as busses were used rather than boarding tunnels. Also endured a one hour delay.

Related info for your journey

How long is the flight from Portsmouth to North America?
A quick flight from Portsmouth to North America can take about 18h 57m. KLM provides one of the quickest options available for as low as £423. The distance between Portsmouth and North America is about 3412 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 - Newark. You may also consider Southampton Eastleigh - New York John F Kennedy Intl or Southampton Eastleigh - New York LaGuardia.
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 (89%), Aeromexico (86%) or KLM (86%) 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 £2,628 for a flight from Portsmouth to North America. The cheapest flight overall is £375 while the most popular route, (Southampton Eastleigh - Newark) is currently priced at £430.
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, September is the cheapest month in which you can book a flight from Portsmouth to North America (average of £573). 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

Browse thousands of different options on Cheapflights for your next trip

Top 10 airlines flying from Portsmouth to North America

Airline	Cheapest	Average	Flexibility	On-time
Turkish Airlines	Cheapest£7	Average£779	FlexibilityNo cancel fee	On-time77%	Search Turkish Airlines flights
JetBlue	Cheapest£89	Average£549	FlexibilityNo cancel fee	On-time62%	Search JetBlue flights
Delta	Cheapest£235	Average£622	FlexibilityNo cancel fee	On-timeN/A	Search Delta flights
PLAY	Cheapest£247	Average£369	FlexibilityNo cancel fee	On-timeN/A	Search PLAY flights
TAP AIR PORTUGAL	Cheapest£278	Average£469	FlexibilityNo cancel fee	On-timeN/A	Search TAP AIR PORTUGAL flights
Austrian Airlines	Cheapest£286	Average£480	FlexibilityNo cancel fee	On-time78%	Search Austrian Airlines flights
SWISS	Cheapest£288	Average£446	FlexibilityNo cancel fee	On-time79%	Search SWISS flights
Aeromexico	Cheapest£293	Average£670	FlexibilityNo cancel fee	On-timeN/A	Search Aeromexico flights
Icelandair	Cheapest£294	Average£520	FlexibilityNo cancel fee	On-time76%	Search Icelandair flights
Scandinavian Airlines	Cheapest£296	Average£510	FlexibilityNo cancel fee	On-time77%	Search Scandinavian Airlines flights

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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?

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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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Cheap flights from Portsmouth to North America from £374

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 1/3. Fares are subject to change and may not be available on all flights or dates of travel.

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 16 9月 2025.

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find flight deals from Portsmouth to North America

Cheapest flights from Portsmouth to North AmericaExplore 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 16 9月 2025.

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 16 9月 2025.

Cheapflights Fare Finder

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

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.

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?

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 16 9月 2025.

Weekly flight availability from Portsmouth to North America

Reviews of airlines servicing North America

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.

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?

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

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

What are the cheapest flights from Portsmouth to North America?

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

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

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

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

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.

Alternative routes for Portsmouth to North America

See prices for flight routes from nearby airports that may be better suited for you.

Top 10 airlines flying from Portsmouth to North America

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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?

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Can Cheapflights find flights from Portsmouth to North America with no change fees?

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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 16 9月 2025.