How long is the flight from Portsmouth to North America?

A quick flight from Portsmouth to North America can take about 11h 25m. Aer Lingus provides one of the quickest options available for as low as £651. The distance between Portsmouth and North America is about 3639 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 - Cancun.

What are the cheapest flights from Portsmouth to North America?

On average you can expect to pay £2,483 for a flight from Portsmouth to North America. The cheapest flight overall is £345 while the most popular route, (Southampton Eastleigh - Newark) is currently priced at £530.

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 (98%), Malaysia Airlines (94%) or Fiji Airways (82%) as they are the most reliable in getting you off to your destination on time.

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.

£259+ Cheap Flights from Portsmouth to North America

Cheap flight deals from Portsmouth to North America

Enter your travel dates to find the best prices.

Cheapest

Best

Last-minute

One-way

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 15 November 2026.

Mon 14/1209:20 -

1 stop15h 09m

Tue 29/1217:00 -

1 stop10h 50m

Deal found 10/11£624

Mon 14/1215:30 -

2 stops33h 35m

Tue 29/1217:00 -

1 stop10h 50m

Deal found 10/11£626

Thu 17/1212:25 -

1 stop12h 04m

Thu 31/1219:25 -

1 stop11h 30m

Deal found 10/11£637

Mon 7/1220:00 -

2 stops29h 35m

Tue 15/1217:50 -

2 stops20h 40m

Deal found 11/11£642

Fri 18/1209:20 -

1 stop11h 25m

Tue 22/1220:50 -

1 stop11h 10m

Deal found 12/11£651

Thu 10/1217:35 -

1 stop22h 49m

Fri 25/1217:00 -

1 stop10h 55m

Deal found 12/11£659

Thu 17/1217:10 -

2 stops30h 45m

Thu 31/1216:40 -

3 stops35h 15m

Deal found 10/11£664

Sun 22/1109:20 -

1 stop15h 09m

Mon 7/1219:25 -

1 stop19h 05m

Deal found 11/11£665

Mon 7/1217:45 -

1 stop26h 00m

Mon 14/1209:30 -

2 stops23h 35m

Deal found 12/11£676

Mon 7/1217:45 -

1 stop26h 00m

Mon 14/1206:15 -

2 stops17h 55m

Deal found 10/11£679

Mon 30/1117:45 -

1 stop22h 39m

Thu 10/1217:00 -

1 stop10h 10m

Deal found 13/11£701

Mon 7/1212:25 -

1 stop14h 15m

Mon 14/1220:25 -

1 stop28h 25m

Deal found 12/11£702

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 15 November 2026.

Fri 18/1209:20 -

1 stop11h 25m

Tue 22/1220:50 -

1 stop11h 10m

Deal found 12/11£651

Thu 10/1208:40 -

2 stops19h 20m

Fri 25/1217:00 -

1 stop10h 55m

Deal found 12/11£665

Thu 7/108:40 -

1 stop15h 40m

Wed 20/118:35 -

1 stop17h 15m

Deal found 14/11£703

Wed 10/212:20 -

1 stop32h 30m

Wed 3/317:20 -

1 stop10h 30m

Deal found 11/11£768

Mon 7/1216:10 -

3 stops33h 25m

Tue 15/1217:50 -

3 stops34h 00m

Deal found 11/11£796

Mon 28/1217:45 -

1 stop28h 30m

Mon 4/115:07 -

2 stops41h 43m

Deal found 13/11£1,027

Mon 7/1208:40 -

2 stops21h 17m

Mon 14/1209:00 -

2 stops24h 05m

Deal found 10/11£682

Wed 28/409:05 -

2 stops16h 55m

Tue 4/518:00 -

2 stops17h 50m

Deal found 13/11£752

Tue 9/212:20 -

1 stop32h 30m

Tue 2/317:20 -

1 stop10h 30m

Deal found 10/11£769

Thu 22/409:05 -

1 stop13h 05m

Mon 3/514:00 -

2 stops13h 35m

Deal found 11/11£719

Wed 30/1220:00 -

2 stops40h 59m

Wed 6/118:30 -

2 stops12h 25m

Deal found 15/11£824

Thu 29/417:20 -

2 stops26h 59m

Wed 5/516:45 -

1 stop10h 50m

Deal found 13/11£756

Mon 14/1209:20 -

1 stop11h 50m

Sat 9/121:10 -

1 stop9h 45m

Deal found 14/11£854

Thu 11/209:20 -

1 stop11h 30m

Thu 4/313:11 -

2 stops14h 39m

Deal found 12/11£777

Fri 30/409:05 -

2 stops16h 55m

Mon 3/516:45 -

1 stop10h 50m

Deal found 13/11£761

Mon 11/120:00 -

2 stops25h 15m

Sun 17/109:30 -

2 stops18h 20m

Deal found 11/11£855

Thu 28/109:20 -

1 stop11h 30m

Mon 1/217:20 -

1 stop13h 30m

Deal found 14/11£780

Fri 18/1208:40 -

1 stop12h 15m

Wed 23/1218:20 -

1 stop17h 45m

Deal found 14/11£787

Fri 18/1209:20 -

2 stops16h 14m

Tue 12/109:25 -

2 stops21h 25m

Deal found 12/11£929

Thu 29/417:20 -

2 stops26h 59m

Mon 3/518:00 -

2 stops17h 50m

Deal found 13/11£779

Wed 10/212:20 -

1 stop14h 20m

Wed 3/320:25 -

1 stop15h 05m

Deal found 11/11£782

Sun 27/1220:00 -

1 stop25h 10m

Sun 3/121:15 -

1 stop17h 15m

Deal found 12/11£875

Thu 3/1208:40 -

1 stop13h 35m

Thu 10/1216:10 -

1 stop16h 55m

Deal found 11/11£802

Tue 12/112:20 -

1 stop12h 09m

Tue 26/117:00 -

1 stop13h 50m

Deal found 14/11£782

Thu 3/1208:40 -

2 stops19h 44m

Thu 10/1216:10 -

1 stop16h 55m

Deal found 11/11£788

Mon 28/1209:20 -

2 stops21h 55m

Mon 4/110:16 -

2 stops25h 14m

Deal found 13/11£960

Mon 14/1208:40 -

2 stops32h 10m

Sun 10/117:50 -

2 stops42h 00m

Deal found 14/11£853

Thu 11/209:20 -

1 stop15h 09m

Thu 4/321:15 -

1 stop9h 40m

Deal found 12/11£787

Sun 27/1220:00 -

2 stops24h 25m

Sun 3/119:35 -

2 stops35h 15m

Deal found 12/11£1,004

Fri 18/1208:40 -

1 stop12h 15m

Wed 23/1218:20 -

1 stop17h 45m

Deal found 11/11£844

Find flight deals from Portsmouth to North America

Round-trip from	£508
One-way from	£259
Popular in	July
Cheapest in	February
Average price	£514

25/1-31/1
5 total stops
53h 10m total
Portsmouth to North America

Search Deals

11/1-31/12
3 total stops
57h 35m total
Portsmouth to North America

Search Deals

Highest demand for flights based on searches. 14% potential increase in price (£67 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 2% potential price decrease (£9 potential savings vs. average return price).

Search Deals

Average for round-trip flights in November 2026

Search Deals

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

Cheapest return flight

SouthamptonLos Angeles

SOU Southampton Eastleigh - LAX Los Angeles

SOULAX

Southampton Eastleigh

Mon 11/1

15:30-18:40

3 stops59h 10m

Los Angeles

Wed 31/12

00:00-09:00

Nonstop0h 00m

£325

SouthamptonToronto

SOU Southampton Eastleigh - YYZ Toronto Pearson Intl

SOUYYZ

Southampton Eastleigh

Mon 11/1

15:30-21:15

2 stops58h 45m

Toronto Pearson Intl

Wed 31/12

00:00-06:00

Nonstop0h 00m

£331

SouthamptonWashington, D.C.

SOU Southampton Eastleigh - IAD Washington, D.C. Dulles Intl

SOUIAD

Southampton Eastleigh

Mon 19/4

20:00-10:39

2 stops43h 39m

Washington, D.C. Dulles Intl

Wed 31/12

00:00-06:00

Nonstop0h 00m

£366

SouthamptonPhiladelphia

SOU Southampton Eastleigh - PHL Philadelphia

SOUPHL

Southampton Eastleigh

Mon 10/5

20:40-18:55

3 stops27h 15m

Philadelphia

Wed 31/12

00:00-06:00

Nonstop0h 00m

£406

SouthamptonOrlando

SOU Southampton Eastleigh - MCO Orlando

SOUMCO

Southampton Eastleigh

Wed 12/5

14:50-20:50

3 stops35h 00m

Orlando

Wed 31/12

00:00-06:00

Nonstop0h 00m

£415

SouthamptonPhiladelphia

SOU Southampton Eastleigh - PHL Philadelphia

SOUPHL

Southampton Eastleigh

Tue 11/5

19:15-18:55

3 stops28h 40m

Philadelphia

Wed 31/12

00:00-06:00

Nonstop0h 00m

£430

SouthamptonLos Angeles

SOU Southampton Eastleigh - LAX Los Angeles

SOULAX

Southampton Eastleigh

Mon 11/1

09:20-18:40

1 stop17h 20m

Los Angeles

Wed 31/12

00:00-09:00

Nonstop0h 00m

£434

SouthamptonLos Angeles

SOU Southampton Eastleigh - LAX Los Angeles

SOULAX

Southampton Eastleigh

Sun 9/5

19:30-17:10

3 stops29h 40m

Los Angeles

Wed 31/12

00:00-09:00

Nonstop0h 00m

£437

SouthamptonToronto

SOU Southampton Eastleigh - YYZ Toronto Pearson Intl

SOUYYZ

Southampton Eastleigh

Mon 11/1

20:00-15:50

1 stop24h 50m

Toronto Pearson Intl

Wed 31/12

00:00-06:00

Nonstop0h 00m

£441

SouthamptonNew York

SOU Southampton Eastleigh - JFK New York John F Kennedy Intl

SOUJFK

Southampton Eastleigh

Sat 5/12

08:20-15:45

3 stops36h 25m

New York John F Kennedy Intl

Wed 31/12

00:00-06:00

Nonstop0h 00m

£449

Flights are sorted by cheapest return flights first.

Deals found on 13/11

Showing 1-10 of 60 resultsSorted by cheapest first

...

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.

SOU-JFK

SOU-YYZ

SOU-LAX

SOU-IAD

SOU-PHL

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

P0R-0NA

SOU-JFK

SOU-YYZ

SOU-LAX

SOU-IAD

What is the cheapest time of day to fly from P0R to NA?

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 evening tend to be the most expensive. A flight in the morning could potentially save you up to 10% on airfare.

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 Thursday, which is when the least amount of flights are scheduled (35 on average).

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

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

Reviews of airlines servicing North America

Get a feel of what it's like to fly with KLM and Aer 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

1,597 reviews

Check prices

Reviews

1 / 20

8.0

Excellent

Anonymous,Dec 2025

YYC - AMS

Not literally sitting in the very last row in the middle

KLM

7.8

Good

1,597 reviews

KLM

7.8

Good

1,597 reviews

Check prices

Reviews

1 / 20

8.0

Excellent

Anonymous,Dec 2025

YYC - AMS

Not literally sitting in the very last row in the middle

Aer Lingus

7.3

Good

1,886 reviews

KLM

7.8

Good

1,597 reviews

Check prices

Reviews

1 / 20

8.0

Excellent

Anonymous,Dec 2025

YYC - AMS

Not literally sitting in the very last row in the middle

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 11h 25m. Aer Lingus provides one of the quickest options available for as low as £651. The distance between Portsmouth and North America is about 3639 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 - Cancun.
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 (98%), Malaysia Airlines (94%) or Fiji Airways (82%) 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 £2,483 for a flight from Portsmouth to North America. The cheapest flight overall is £345 while the most popular route, (Southampton Eastleigh - Newark) is currently priced at £530.
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.

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Alternative routes for Portsmouth to North America

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Top 10 airlines flying from Portsmouth to North America

Airline	Cheapest	Average	Flexibility	On-time
TAP AIR PORTUGAL	Cheapest£233	Average£532	FlexibilityNo cancel fee	On-timeN/A	Search TAP AIR PORTUGAL flights
JetBlue	Cheapest£242	Average£594	FlexibilityNo cancel fee	On-time62%	Search JetBlue flights
Icelandair	Cheapest£260	Average£469	FlexibilityNo cancel fee	On-time76%	Search Icelandair flights
ITA Airways	Cheapest£268	Average£616	FlexibilityNo cancel fee	On-time81%	Search ITA Airways flights
Delta	Cheapest£270	Average£622	FlexibilityNo cancel fee	On-timeN/A	Search Delta flights
Finnair	Cheapest£288	Average£647	FlexibilityNo cancel fee	On-time76%	Search Finnair flights
SWISS	Cheapest£309	Average£500	FlexibilityNo cancel fee	On-time79%	Search SWISS flights
Scandinavian Airlines	Cheapest£319	Average£542	FlexibilityNo cancel fee	On-time77%	Search Scandinavian Airlines flights
Air Transat	Cheapest£350	Average£595	FlexibilityNo cancel fee	On-time50%	Search Air Transat flights
Austrian Airlines	Cheapest£358	Average£534	FlexibilityNo cancel fee	On-time78%	Search Austrian Airlines flights

Fly with Cheapflights

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!

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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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Cheap flights from Portsmouth to North America from £259

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/1. 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

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 15 November 2026.

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 15 November 2026.

Best flights from Portsmouth to North AmericaDiscover 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 15 November 2026.

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 15 November 2026.

Last-minute flights from Portsmouth to North AmericaDiscover last-minute flight deals from Portsmouth to North America. Data last updated 15 November 2026 and is based on user searches.

Discover last-minute flight deals from Portsmouth to North America. Data last updated 15 November 2026 and is based on user searches.

One-way flights from Portsmouth to North AmericaSearch for one-way flight options from Portsmouth to North America. Find affordable one-way fares based on user searches. Data last updated 15 November 2026.

Search for one-way flight options from Portsmouth to North America. Find affordable one-way fares based on user searches. Data last updated 15 November 2026.

Find flight deals from Portsmouth to North America

Round-trip from

One-way from

Popular in

Cheapest in

Average price

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

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 15 November 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 evening tend to be the most expensive. A flight in the morning could potentially save you up to 10% on airfare.

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 Thursday, which is when the least amount of flights are scheduled (35 on average).

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 14 November 2026.

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

Reviews of airlines servicing North America

Get a feel of what it's like to fly with KLM and Aer 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

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?

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.

Complete your trip

Complete your trip to North America by adding a car hire and/or hotel booking to your travel itinerary.

Direct flights to

Book a non-stop flight to one of these other cities located in .

Search flights from Portsmouth to North America by cabin class

Find flights from Portsmouth to North America, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Portsmouth and North America flights

Browse other Portsmouth and North America flight options. Last updated on 15 November 2026.

Popular flight searches

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Top 10 airlines flying from Portsmouth to North America

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

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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 15 November 2026.

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 15 November 2026.

Last-minute flights from Portsmouth to North America
Discover last-minute flight deals from Portsmouth to North America. Data last updated 15 November 2026 and is based on user searches.

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 15 November 2026.