How long is the flight from Portsmouth to North America?

A quick flight from Portsmouth to North America can take about 11h 34m. British Airways provides one of the quickest options available for as low as £411. The distance between Portsmouth and North America is about 3228 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 - Boston Logan Intl. You may also consider Southampton Eastleigh - Mexico City Benito Juarez or Southampton Eastleigh - New York John F Kennedy Intl.

What are the cheapest flights from Portsmouth to North America?

On average you can expect to pay £2,706 for a flight from Portsmouth to North America. The cheapest flight overall is £368 while the most popular route, (Southampton Eastleigh - Boston Logan Intl) is currently priced at £411.

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 (92%) or Austrian Airlines (92%) 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?

KLM, Virgin Atlantic and Aer Lingus are the most popular airlines when flying from Portsmouth to North America.

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.

£290+ Flights from Portsmouth to North America

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 18 December 2025.

Wed 31/1208:40SOU - JFK

2 stops27h 49mDelta

Mon 12/121:15JFK - SOU

2 stops30h 35mDelta

Deal found 16/12£724

Wed 31/1208:40SOU - JFK

2 stops27h 49mDelta

Thu 8/106:00JFK - SOU

2 stops30h 05mDelta

Deal found 16/12£751

Wed 31/1208:40SOU - JFK

2 stops27h 49mDelta

Sat 10/121:20JFK - SOU

2 stops30h 30mDelta

Deal found 16/12£781

Wed 31/1208:40SOU - JFK

2 stops27h 49mDelta

Tue 6/110:20JFK - SOU

2 stops25h 45mDelta

Deal found 16/12£789

Wed 31/1208:40SOU - JFK

2 stops27h 49mDelta

Fri 9/111:20JFK - SOU

2 stops16h 25mDelta

Deal found 16/12£796

Tue 30/1208:40SOU - JFK

2 stops28h 50mDelta

Mon 12/117:35JFK - SOU

2 stops34h 15mDelta

Deal found 16/12£803

Wed 31/1208:40SOU - MCO

2 stops20h 46mDelta

Thu 8/119:35MCO - SOU

1 stop32h 10mDelta

Deal found 17/12£816

Mon 29/1218:05SOU - CUN

2 stops47h 05mDelta

Mon 12/116:35CUN - SOU

2 stops35h 15mDelta

Deal found 15/12£825

Wed 31/1208:40SOU - MCO

2 stops20h 46mDelta

Sat 10/119:35MCO - SOU

1 stop32h 15mDelta

Deal found 17/12£828

Mon 29/1208:40SOU - LAX

1 stop35h 05mDelta

Fri 9/108:45LAX - SOU

2 stops16h 00mDelta

Deal found 16/12£829

Tue 30/1208:40SOU - JFK

2 stops28h 50mDelta

Sun 11/117:35JFK - SOU

2 stops34h 15mDelta

Deal found 16/12£831

Wed 31/1208:40SOU - JFK

2 stops27h 49mDelta

Wed 7/117:45JFK - SOU

1 stop9h 40mDelta

Deal found 16/12£833

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 18 December 2025.

Wed 14/112:25SOU - BOS

1 stop11h 34mBritish Airways

Wed 21/121:15BOS - SOU

1 stop17h 25mBritish Airways

Deal found 17/12£411

Wed 14/109:25SOU - BOS

2 stops27h 08mVirgin Atlantic

Wed 21/120:55BOS - SOU

2 stops30h 30mVirgin Atlantic

Deal found 17/12£467

Fri 30/117:35SOU - BOS

1 stop24h 55mKLM

Fri 6/206:00BOS - SOU

2 stops21h 45mKLM

Deal found 16/12£504

Fri 20/209:00SOU - MCO

1 stop13h 05mDelta

Mon 9/320:20MCO - SOU

1 stop31h 50mDelta

Deal found 17/12£505

Tue 20/117:35SOU - EWR

3 stops29h 50mMultiple Airlines

Sat 24/119:35EWR - SOU

3 stops32h 15mMultiple Airlines

Deal found 17/12£612

Wed 14/112:25SOU - JFK

1 stop12h 04mBritish Airways

Wed 4/217:00JFK - SOU

1 stop17h 35mBritish Airways

Deal found 17/12£425

Thu 5/209:30SOU - YYZ

1 stop11h 25mBritish Airways

Sun 8/217:25YYZ - SOU

1 stop10h 20mBritish Airways

Deal found 17/12£439

Sat 31/109:25SOU - BOS

2 stops18h 22mVirgin Atlantic

Sat 7/218:35BOS - SOU

2 stops41h 30mVirgin Atlantic

Deal found 17/12£490

Fri 20/217:35SOU - MCO

1 stop28h 30mDelta

Sat 7/311:25MCO - SOU

2 stops39h 55mDelta

Deal found 17/12£505

Tue 13/112:25SOU - LGA

2 stops38h 04mBritish Airways

Tue 20/113:13LGA - SOU

2 stops17h 42mBritish Airways

Deal found 16/12£447

Fri 30/117:35SOU - MCO

1 stop28h 35mKLM

Fri 6/211:10MCO - SOU

2 stops16h 35mKLM

Deal found 16/12£544

Sat 21/209:25SOU - MCO

1 stop12h 40mDelta

Sat 7/311:09MCO - SOU

2 stops16h 41mDelta

Deal found 17/12£515

Fri 30/109:00SOU - LAX

2 stops21h 05mVirgin Atlantic

Fri 6/206:00LAX - SOU

2 stops18h 45mVirgin Atlantic

Deal found 16/12£519

Thu 15/109:30SOU - EWR

1 stop11h 45mBritish Airways

Thu 22/117:45EWR - SOU

1 stop16h 50mBritish Airways

Deal found 16/12£453

Fri 16/117:35SOU - JFK

1 stop30h 45mKLM

Mon 19/116:45JFK - SOU

1 stop11h 05mKLM

Deal found 15/12£564

Sat 21/209:25SOU - MCO

1 stop12h 40mDelta

Mon 9/313:02MCO - SOU

2 stops15h 08mDelta

Deal found 17/12£515

Mon 9/208:30SOU - MEX

2 stops26h 40mMultiple Airlines

Sun 15/211:30MEX - SOU

2 stops20h 30mMultiple Airlines

Deal found 17/12£653

Fri 30/109:00SOU - MCO

2 stops20h 59mVirgin Atlantic

Fri 6/213:10MCO - SOU

2 stops14h 35mVirgin Atlantic

Deal found 16/12£544

Thu 29/109:30SOU - BOS

1 stop14h 29mBritish Airways

Mon 2/221:15BOS - SOU

1 stop9h 40mBritish Airways

Deal found 17/12£455

Sun 22/209:30SOU - MCO

1 stop12h 35mDelta

Mon 9/313:02MCO - SOU

2 stops15h 08mDelta

Deal found 17/12£515

Sat 31/109:30SOU - YYZ

1 stop11h 25mBritish Airways

Sat 7/210:30YYZ - SOU

2 stops17h 15mBritish Airways

Deal found 17/12£459

Tue 13/117:35SOU - LGA

3 stops27h 03mMultiple Airlines

Tue 20/116:20LGA - SOU

2 stops14h 35mMultiple Airlines

Deal found 16/12£677

Mon 27/409:05SOU - YVR

2 stops19h 45mKLM

Thu 14/513:35YVR - SOU

2 stops19h 15mKLM

Deal found 16/12£623

Sat 21/209:25SOU - MCO

1 stop12h 40mDelta

Sun 8/311:35MCO - SOU

2 stops16h 45mDelta

Deal found 17/12£515

Fri 30/117:35SOU - JFK

1 stop23h 05mVirgin Atlantic

Fri 6/216:45JFK - SOU

1 stop11h 00mVirgin Atlantic

Deal found 16/12£594

Fri 16/120:10SOU - YYZ

1 stop24h 45mBritish Airways

Sat 31/117:25YYZ - SOU

1 stop10h 20mBritish Airways

Deal found 16/12£460

Fri 30/117:35SOU - YVR

3 stops37h 10mMultiple Airlines

Fri 6/208:30YVR - SOU

2 stops22h 20mMultiple Airlines

Deal found 16/12£681

Fri 20/209:00SOU - MCO

2 stops16h 26mDelta

Sun 8/311:35MCO - SOU

2 stops16h 45mDelta

Deal found 17/12£536

Thu 15/109:30SOU - LGA

2 stops16h 59mBritish Airways

Thu 22/113:13LGA - SOU

2 stops14h 32mBritish Airways

Deal found 16/12£461

Tue 13/109:25SOU - EWR

2 stops18h 48mDelta

Tue 20/113:00EWR - SOU

2 stops14h 50mDelta

Deal found 16/12£538

Last-minute flights from Portsmouth to North America
Discover last-minute flight deals from Portsmouth to North America. Data last updated 18 December 2025 and is based on user searches.

Tue 13/112:25SOU - JFK

1 stop12h 04mBritish Airways

Tue 20/117:00JFK - SOU

1 stop13h 55mBritish Airways

Deal found 16/12£408

Tue 13/112:25SOU - EWR

1 stop32h 50mBritish Airways

Tue 20/117:45EWR - SOU

1 stop13h 10mBritish Airways

Deal found 16/12£444

Tue 13/112:25SOU - LGA

2 stops38h 04mBritish Airways

Tue 20/113:13LGA - SOU

2 stops17h 42mBritish Airways

Deal found 16/12£447

Wed 14/112:25SOU - BOS

1 stop11h 34mBritish Airways

Wed 21/121:15BOS - SOU

1 stop17h 25mBritish Airways

Deal found 17/12£411

Wed 14/112:25SOU - JFK

1 stop12h 04mBritish Airways

Wed 4/217:00JFK - SOU

1 stop17h 35mBritish Airways

Deal found 17/12£425

Wed 14/109:25SOU - BOS

2 stops27h 08mVirgin Atlantic

Wed 21/120:55BOS - SOU

2 stops30h 30mVirgin Atlantic

Deal found 17/12£467

Thu 15/109:30SOU - JFK

1 stop14h 59mBritish Airways

Thu 22/117:00JFK - SOU

1 stop10h 45mBritish Airways

Deal found 16/12£453

Thu 15/109:30SOU - EWR

1 stop11h 45mBritish Airways

Thu 22/117:45EWR - SOU

1 stop16h 50mBritish Airways

Deal found 16/12£453

Thu 15/109:30SOU - LGA

2 stops16h 59mBritish Airways

Thu 22/113:13LGA - SOU

2 stops14h 32mBritish Airways

Deal found 16/12£461

Fri 16/120:10SOU - YYZ

1 stop24h 45mBritish Airways

Sat 31/117:25YYZ - SOU

1 stop10h 20mBritish Airways

Deal found 16/12£460

Thu 29/109:30SOU - BOS

1 stop14h 29mBritish Airways

Mon 2/221:15BOS - SOU

1 stop9h 40mBritish Airways

Deal found 17/12£455

Sat 31/109:30SOU - YYZ

1 stop11h 25mBritish Airways

Sat 7/217:25YYZ - SOU

1 stop10h 20mBritish Airways

Deal found 17/12£438

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 18 December 2025.

Thu 16/409:25SOU - MCO

2 stops38h 00mMultiple Airlines

Deal found 17/12£290

Sun 1/209:30SOU - YVR

3 stops41h 10mMultiple Airlines

Deal found 16/12£322

Mon 9/209:30SOU - JFK

2 stops28h 30mBritish Airways

Deal found 15/12£384

Mon 9/209:30SOU - EWR

1 stop11h 45mBritish Airways

Deal found 15/12£388

Mon 9/220:10SOU - LGA

2 stops30h 19mBritish Airways

Deal found 15/12£390

Sun 8/220:10SOU - JFK

1 stop28h 19mBritish Airways

Deal found 15/12£394

Sun 8/220:10SOU - EWR

1 stop25h 05mBritish Airways

Deal found 15/12£394

Sun 8/220:10SOU - LGA

2 stops30h 19mBritish Airways

Deal found 15/12£405

Tue 17/316:05SOU - JFK

1 stop26h 50mBritish Airways

Deal found 15/12£409

Mon 16/318:05SOU - JFK

2 stops30h 20mBritish Airways

Deal found 15/12£410

Sun 17/509:10SOU - JFK

1 stop18h 05mAer Lingus

Deal found 17/12£413

Sun 17/509:10SOU - EWR

1 stop11h 40mAer Lingus

Deal found 16/12£413

Find flight deals from Portsmouth to North America

Round-trip from	£408
One-way from	£290
Popular in	July
Cheapest in	September
Average price	£479

British Airways
13/1-20/1
2 total stops
25h 59m total
Portsmouth to North America

Search Deals

16/4
2 total stops
38h 00m total
Portsmouth to North America

Search Deals

Highest demand for flights based on searches. 7% potential increase in price (£25 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 December 2025

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

SouthamptonBoston

SOU - BOS

SOUBOS

Southampton Eastleigh

Wed 14/1

12:25-18:59

1 stop11h 34m

Boston Logan Intl

Wed 21/1

21:15-19:40

1 stop17h 25m

£411

SouthamptonNew York

SOU - JFK

SOUJFK

Southampton Eastleigh

Wed 14/1

12:25-19:29

1 stop12h 04m

New York John F Kennedy Intl

Wed 4/2

17:00-15:35

1 stop17h 35m

£425

SouthamptonToronto

SOU - YYZ

SOUYYZ

Southampton Eastleigh

Thu 5/2

09:30-15:55

1 stop11h 25m

Toronto Pearson Intl

Sun 8/2

17:25-08:45

1 stop10h 20m

£439

SouthamptonNew York

SOU - LGA

SOULGA

Southampton Eastleigh

Tue 13/1

12:25-21:29

2 stops38h 04m

New York LaGuardia

Tue 20/1

13:13-11:55

2 stops17h 42m

£447

SouthamptonNewark

SOU - EWR

SOUEWR

Southampton Eastleigh

Thu 15/1

09:30-16:15

1 stop11h 45m

Newark

Thu 22/1

17:45-15:35

1 stop16h 50m

£453

SouthamptonBoston

SOU - BOS

SOUBOS

Southampton Eastleigh

Thu 29/1

09:30-18:59

1 stop14h 29m

Boston Logan Intl

Mon 2/2

21:15-11:55

1 stop9h 40m

£455

SouthamptonToronto

SOU - YYZ

SOUYYZ

Southampton Eastleigh

Sat 31/1

09:30-15:55

1 stop11h 25m

Toronto Pearson Intl

Sat 7/2

10:30-08:45

2 stops17h 15m

£459

SouthamptonToronto

SOU - YYZ

SOUYYZ

Southampton Eastleigh

Fri 16/1

20:10-15:55

1 stop24h 45m

Toronto Pearson Intl

Sat 31/1

17:25-08:45

1 stop10h 20m

£460

SouthamptonNew York

SOU - LGA

SOULGA

Southampton Eastleigh

Thu 15/1

09:30-21:29

2 stops16h 59m

New York LaGuardia

Thu 22/1

13:13-08:45

2 stops14h 32m

£461

SouthamptonBoston

SOU - BOS

SOUBOS

Southampton Eastleigh

Wed 14/1

09:25-07:33

2 stops27h 08m

Boston Logan Intl

Wed 21/1

20:55-08:25

2 stops30h 30m

£467

Flights are sorted by cheapest return flights first.

Deals found on 17/12

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, October is the cheapest month in which you can book a flight from Portsmouth to North America (average of £90). Flying from Portsmouth to North America in August is currently the most expensive (average of £292). 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?

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 morning tend to be the most expensive. A flight at midday could potentially save you up to 6% on airfare.

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 Wednesday evenings when fares are most often at their lowest. Saturday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

Weekly flight availability from Portsmouth to North America

The most flights from P0R to 0NA are scheduled on a Monday (50 on average). You will have fewer flight options on Friday, which is when the least amount of flights are scheduled (44 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

7.7

Good

1,428 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

7.7

Good

1,428 reviews

KLM

7.7

Good

1,428 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

Virgin Atlantic

7.5

Good

675 reviews

KLM

7.7

Good

1,428 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

7.2

Good

1,399 reviews

KLM

7.7

Good

1,428 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 34m. British Airways provides one of the quickest options available for as low as £411. The distance between Portsmouth and North America is about 3228 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 - Boston Logan Intl. You may also consider Southampton Eastleigh - Mexico City Benito Juarez or Southampton Eastleigh - New York John F Kennedy Intl.
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 (92%) or Austrian Airlines (92%) 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 £2,706 for a flight from Portsmouth to North America. The cheapest flight overall is £368 while the most popular route, (Southampton Eastleigh - Boston Logan Intl) is currently priced at £411.
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 £90). Flying from Portsmouth to North America in August is currently the most expensive (average of £292). 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
JetBlue	Cheapest£90	Average£563	FlexibilityNo cancel fee	On-time62%	Search JetBlue flights
TAP AIR PORTUGAL	Cheapest£226	Average£462	FlexibilityNo cancel fee	On-timeN/A	Search TAP AIR PORTUGAL flights
Delta	Cheapest£238	Average£605	FlexibilityNo cancel fee	On-timeN/A	Search Delta flights
PLAY	Cheapest£250	Average£418	FlexibilityNo cancel fee	On-timeN/A	Search PLAY flights
Air Canada	Cheapest£286	Average£535	FlexibilityNo cancel fee	On-time67%	Search Air Canada flights
SWISS	Cheapest£293	Average£451	FlexibilityNo cancel fee	On-time79%	Search SWISS flights
Icelandair	Cheapest£297	Average£521	FlexibilityNo cancel fee	On-time76%	Search Icelandair flights
Scandinavian Airlines	Cheapest£298	Average£530	FlexibilityNo cancel fee	On-time77%	Search Scandinavian Airlines flights
Aeromexico	Cheapest£298	Average£664	FlexibilityNo cancel fee	On-timeN/A	Search Aeromexico flights
Aer Lingus	Cheapest£305	Average£673	FlexibilityNo cancel fee	On-timeN/A	Search Aer Lingus 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!

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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Cheap flights from Portsmouth to North America from £290

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 16/4. 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 18 December 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 18 December 2025.

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 18 December 2025.

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

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 18 December 2025.

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 16 December 2024.

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?

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Alternative routes for Portsmouth to North America

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Top 10 airlines flying from Portsmouth to North America

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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 18 December 2025.