How long is the flight from Portsmouth to North America?

A quick flight from Portsmouth to North America can take about 24h 50m. British Airways provides one of the quickest options available for as low as £441. 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 - New York John F Kennedy Intl. You may also consider Southampton Eastleigh - Newark or Southampton Eastleigh - Miami.

What are the cheapest flights from Portsmouth to North America?

On average you can expect to pay £2,682 for a flight from Portsmouth to North America. The cheapest flight overall is £350 while the most popular route, (Southampton Eastleigh - New York John F Kennedy Intl) is currently priced at £408.

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.

£267+ 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 27 December 2025.

Tue 30/1208:40SOU - MIA

2 stops19h 26mDelta

Thu 8/112:02MIA - SOU

2 stops15h 23mDelta

Deal found 27/12£590

Tue 30/1208:40SOU - MIA

2 stops19h 26mDelta

Wed 7/118:55MIA - SOU

2 stops32h 30mDelta

Deal found 27/12£629

Tue 30/1208:40SOU - MIA

2 stops30h 56mDelta

Sun 11/107:40MIA - SOU

2 stops20h 10mDelta

Deal found 27/12£640

Wed 31/1209:25SOU - YYZ

1 stop31h 25mMultiple Airlines

Wed 7/119:55YYZ - SOU

1 stop16h 25mMultiple Airlines

Deal found 26/12£689

Wed 31/1212:25SOU - JFK

1 stop12h 00mAer Lingus

Wed 7/117:00JFK - SOU

1 stop10h 45mAer Lingus

Deal found 26/12£821

Tue 30/1208:40SOU - MIA

2 stops19h 26mDelta

Sat 10/117:35MIA - SOU

2 stops34h 15mDelta

Deal found 27/12£839

Tue 30/1208:40SOU - MIA

2 stops30h 56mDelta

Tue 6/120:25MIA - SOU

2 stops39h 40mDelta

Deal found 27/12£868

Sun 28/1218:05SOU - MIA

2 stops45h 26mDelta

Sun 11/117:35MIA - SOU

2 stops34h 15mDelta

Deal found 27/12£885

Tue 30/1208:40SOU - MIA

2 stops19h 26mDelta

Fri 9/119:15MIA - SOU

2 stops56h 35mDelta

Deal found 27/12£888

Sun 28/1218:05SOU - MIA

2 stops45h 26mDelta

Wed 7/118:55MIA - SOU

2 stops32h 30mDelta

Deal found 27/12£893

Wed 31/1208:55SOU - EWR

2 stops15h 40mAer Lingus

Wed 7/117:45EWR - SOU

1 stop10h 00mAer Lingus

Deal found 26/12£918

Mon 29/1208:40SOU - MIA

2 stops30h 51mDelta

Thu 8/112:02MIA - SOU

2 stops15h 23mDelta

Deal found 26/12£975

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 27 December 2025.

Sat 24/109:30SOU - JFK

2 stops28h 30mBritish Airways

Mon 2/217:00JFK - SOU

1 stop13h 55mBritish Airways

Deal found 26/12£419

Tue 10/217:35SOU - BOS

1 stop24h 50mKLM

Tue 17/213:04BOS - SOU

2 stops14h 46mKLM

Deal found 27/12£441

Tue 10/217:35SOU - SFO

1 stop26h 15mVirgin Atlantic

Tue 17/213:55SFO - SOU

1 stop34h 30mVirgin Atlantic

Deal found 27/12£467

Tue 10/217:35SOU - LAX

1 stop26h 10mDelta

Tue 17/206:00LAX - SOU

2 stops18h 50mDelta

Deal found 27/12£482

Sat 7/209:25SOU - BOS

2 stops18h 22mMultiple Airlines

Sat 14/219:10BOS - SOU

1 stop17h 05mMultiple Airlines

Deal found 26/12£557

Mon 19/109:30SOU - JFK

2 stops28h 30mBritish Airways

Thu 5/221:00JFK - SOU

1 stop13h 35mBritish Airways

Deal found 26/12£419

Sun 25/109:30SOU - JFK

2 stops28h 30mBritish Airways

Tue 3/217:00JFK - SOU

1 stop13h 55mBritish Airways

Deal found 26/12£419

Thu 26/318:05SOU - MIA

2 stops32h 21mVirgin Atlantic

Mon 30/320:10MIA - SOU

2 stops39h 40mVirgin Atlantic

Deal found 25/12£481

Mon 9/217:35SOU - LAX

1 stop26h 10mDelta

Mon 16/213:45LAX - SOU

1 stop19h 20mDelta

Deal found 25/12£483

Sun 25/109:30SOU - JFK

2 stops28h 30mBritish Airways

Sun 1/217:00JFK - SOU

1 stop10h 45mBritish Airways

Deal found 26/12£419

Sat 7/209:25SOU - BOS

2 stops18h 22mKLM

Sat 14/220:00BOS - SOU

2 stops16h 15mKLM

Deal found 26/12£526

Mon 2/209:25SOU - MIA

2 stops18h 55mVirgin Atlantic

Thu 19/208:05MIA - SOU

2 stops19h 20mVirgin Atlantic

Deal found 25/12£483

Tue 17/217:35SOU - SFO

1 stop26h 15mDelta

Tue 10/314:55SFO - SOU

1 stop19h 05mDelta

Deal found 24/12£484

Sat 24/109:30SOU - JFK

2 stops28h 30mBritish Airways

Sun 1/217:00JFK - SOU

1 stop10h 45mBritish Airways

Deal found 26/12£419

Tue 17/217:35SOU - SFO

1 stop26h 15mDelta

Sun 8/314:55SFO - SOU

1 stop19h 05mDelta

Deal found 24/12£484

Tue 10/209:25SOU - MIA

2 stops20h 26mVirgin Atlantic

Tue 17/216:50MIA - SOU

1 stop11h 00mVirgin Atlantic

Deal found 27/12£490

Sat 24/109:30SOU - JFK

2 stops28h 30mBritish Airways

Tue 3/217:00JFK - SOU

1 stop13h 55mBritish Airways

Deal found 26/12£419

Mon 16/217:35SOU - SFO

1 stop26h 15mDelta

Sun 8/314:55SFO - SOU

1 stop19h 05mDelta

Deal found 24/12£484

Mon 9/209:25SOU - YVR

2 stops14h 15mKLM

Mon 16/215:55YVR - SOU

1 stop32h 55mKLM

Deal found 26/12£590

Sun 18/109:30SOU - EWR

1 stop11h 45mBritish Airways

Mon 2/317:45EWR - SOU

1 stop16h 50mBritish Airways

Deal found 27/12£423

Wed 18/217:35SOU - SFO

1 stop26h 15mDelta

Sun 8/311:00SFO - SOU

2 stops23h 00mDelta

Deal found 24/12£484

Sat 24/109:25SOU - YVR

2 stops21h 19mKLM

Sat 31/115:55YVR - SOU

1 stop32h 55mKLM

Deal found 27/12£593

Sun 8/217:45SOU - MEX

1 stop31h 55mMultiple Airlines

Sun 15/221:50MEX - SOU

1 stop29h 00mMultiple Airlines

Deal found 25/12£727

Thu 22/109:30SOU - EWR

1 stop11h 45mBritish Airways

Mon 26/117:45EWR - SOU

1 stop13h 10mBritish Airways

Deal found 26/12£423

Wed 18/217:35SOU - SFO

1 stop26h 15mDelta

Tue 10/311:50SFO - SOU

2 stops22h 10mDelta

Deal found 24/12£484

Mon 27/409:05SOU - YVR

2 stops18h 05mKLM

Thu 14/513:35YVR - SOU

2 stops19h 15mKLM

Deal found 26/12£601

Tue 20/112:25SOU - JFK

1 stop12h 04mBritish Airways

Sat 7/217:00JFK - SOU

1 stop10h 45mBritish Airways

Deal found 26/12£424

Mon 16/217:35SOU - SFO

1 stop26h 15mDelta

Tue 10/314:55SFO - SOU

1 stop19h 05mDelta

Deal found 24/12£484

Tue 20/112:25SOU - JFK

1 stop12h 04mBritish Airways

Sun 1/217:00JFK - SOU

1 stop10h 45mBritish Airways

Deal found 26/12£424

Tue 10/217:35SOU - MEX

2 stops33h 15mKLM

Tue 17/221:50MEX - SOU

1 stop28h 35mKLM

Deal found 27/12£642

Last-minute flights from Portsmouth to North America
Discover last-minute flight deals from Portsmouth to North America. Data last updated 27 December 2025 and is based on user searches.

Mon 12/117:35SOU - JFK

1 stop23h 05mKLM

Sun 25/121:20JFK - SOU

1 stop30h 30mKLM

Deal found 26/12£438

Sun 18/109:30SOU - JFK

1 stop14h 59mBritish Airways

Mon 2/317:00JFK - SOU

1 stop13h 55mBritish Airways

Deal found 27/12£423

Sun 18/109:30SOU - EWR

1 stop11h 45mBritish Airways

Tue 3/317:45EWR - SOU

1 stop13h 10mBritish Airways

Deal found 26/12£424

Sun 18/109:30SOU - EWR

1 stop11h 45mBritish Airways

Thu 5/317:45EWR - SOU

1 stop16h 50mBritish Airways

Deal found 26/12£429

Sun 18/117:45SOU - JFK

1 stop22h 55mKLM

Mon 2/312:55JFK - SOU

2 stops14h 25mKLM

Deal found 27/12£439

Mon 19/109:30SOU - JFK

2 stops28h 30mBritish Airways

Sat 7/217:00JFK - SOU

1 stop10h 45mBritish Airways

Deal found 26/12£419

Tue 20/112:25SOU - JFK

1 stop12h 04mBritish Airways

Sun 1/217:00JFK - SOU

1 stop10h 45mBritish Airways

Deal found 26/12£424

Thu 22/109:30SOU - EWR

1 stop11h 45mBritish Airways

Mon 26/117:45EWR - SOU

1 stop13h 10mBritish Airways

Deal found 26/12£423

Thu 22/109:30SOU - JFK

2 stops31h 45mBritish Airways

Mon 26/121:00JFK - SOU

1 stop9h 55mBritish Airways

Deal found 26/12£425

Thu 22/120:10SOU - JFK

1 stop28h 19mBritish Airways

Tue 3/217:00JFK - SOU

1 stop13h 55mBritish Airways

Deal found 26/12£429

Thu 22/109:30SOU - YYZ

1 stop11h 25mBritish Airways

Mon 26/117:25YYZ - SOU

1 stop13h 30mBritish Airways

Deal found 26/12£438

Fri 23/109:30SOU - JFK

1 stop14h 59mBritish Airways

Tue 27/121:00JFK - SOU

1 stop9h 55mBritish Airways

Deal found 27/12£407

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 27 December 2025.

Mon 20/419:20SOU - BOS

1 stop30h 45mMultiple Airlines

Deal found 25/12£267

Mon 30/319:20SOU - SFO

1 stop30h 35mMultiple Airlines

Deal found 25/12£274

Wed 21/112:25SOU - EWR

3 stops51h 24mMultiple Airlines

Deal found 26/12£304

Wed 21/112:25SOU - JFK

3 stops36h 40mMultiple Airlines

Deal found 26/12£335

Fri 8/509:25SOU - BOS

1 stop16h 40mMultiple Airlines

Deal found 26/12£337

Thu 7/511:40SOU - BOS

3 stops40h 34mMultiple Airlines

Deal found 26/12£345

Wed 21/112:25SOU - EWR

1 stop32h 50mAer Lingus

Deal found 26/12£349

Sun 17/509:10SOU - JFK

1 stop15h 10mAer Lingus

Deal found 26/12£383

Sun 17/509:10SOU - EWR

1 stop11h 40mAer Lingus

Deal found 27/12£383

Sun 19/409:10SOU - LAX

1 stop17h 15mAer Lingus

Deal found 26/12£386

Tue 24/212:25SOU - JFK

1 stop12h 04mBritish Airways

Deal found 26/12£388

Thu 7/509:10SOU - BOS

1 stop10h 30mAer Lingus

Deal found 26/12£392

Find flight deals from Portsmouth to North America

Round-trip from	£407
One-way from	£267
Popular in	July
Cheapest in	September
Average price	£480

British Airways
10/2-17/2
2 total stops
29h 39m total
Portsmouth to North America

Search Deals

20/4
1 total stop
30h 45m total
Portsmouth to North America

Search Deals

Highest demand for flights based on searches. 8% 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

SouthamptonNew York

SOU - JFK

SOUJFK

Southampton Eastleigh

Sat 24/1

09:30-09:00

2 stops28h 30m

New York John F Kennedy Intl

Mon 2/2

17:00-11:55

1 stop13h 55m

£419

SouthamptonNew York

SOU - JFK

SOUJFK

Southampton Eastleigh

Mon 19/1

09:30-09:00

2 stops28h 30m

New York John F Kennedy Intl

Thu 5/2

21:00-15:35

1 stop13h 35m

£419

SouthamptonNew York

SOU - JFK

SOUJFK

Southampton Eastleigh

Sun 25/1

09:30-09:00

2 stops28h 30m

New York John F Kennedy Intl

Tue 3/2

17:00-11:55

1 stop13h 55m

£419

SouthamptonNew York

SOU - JFK

SOUJFK

Southampton Eastleigh

Sun 25/1

09:30-09:00

2 stops28h 30m

New York John F Kennedy Intl

Sun 1/2

17:00-08:45

1 stop10h 45m

£419

SouthamptonNew York

SOU - JFK

SOUJFK

Southampton Eastleigh

Sat 24/1

09:30-09:00

2 stops28h 30m

New York John F Kennedy Intl

Sun 1/2

17:00-08:45

1 stop10h 45m

£419

SouthamptonNew York

SOU - JFK

SOUJFK

Southampton Eastleigh

Sat 24/1

09:30-09:00

2 stops28h 30m

New York John F Kennedy Intl

Tue 3/2

17:00-11:55

1 stop13h 55m

£419

SouthamptonNewark

SOU - EWR

SOUEWR

Southampton Eastleigh

Sun 18/1

09:30-16:15

1 stop11h 45m

Newark

Mon 2/3

17:45-15:35

1 stop16h 50m

£423

SouthamptonNewark

SOU - EWR

SOUEWR

Southampton Eastleigh

Thu 22/1

09:30-16:15

1 stop11h 45m

Newark

Mon 26/1

17:45-11:55

1 stop13h 10m

£423

SouthamptonNew York

SOU - JFK

SOUJFK

Southampton Eastleigh

Tue 20/1

12:25-19:29

1 stop12h 04m

New York John F Kennedy Intl

Sat 7/2

17:00-08:45

1 stop10h 45m

£424

SouthamptonNew York

SOU - JFK

SOUJFK

Southampton Eastleigh

Tue 20/1

12:25-19:29

1 stop12h 04m

New York John F Kennedy Intl

Sun 1/2

17:00-08:45

1 stop10h 45m

£424

Flights are sorted by cheapest return flights first.

Deals found on 25/12

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 £290). 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 afternoon tend to be the most expensive. A flight in the evening could potentially save you up to 11% 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 Tuesday, which is when the least amount of flights are scheduled (45 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

1,435 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

1,435 reviews

KLM

7.7

Good

1,435 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

677 reviews

KLM

7.7

Good

1,435 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

1,412 reviews

KLM

7.7

Good

1,435 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 24h 50m. British Airways provides one of the quickest options available for as low as £441. 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 - New York John F Kennedy Intl. You may also consider Southampton Eastleigh - Newark or Southampton Eastleigh - Miami.
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 £2,682 for a flight from Portsmouth to North America. The cheapest flight overall is £350 while the most popular route, (Southampton Eastleigh - New York John F Kennedy Intl) is currently priced at £408.
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 £290). 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£576	FlexibilityNo cancel fee	On-time62%	Search JetBlue flights
TAP AIR PORTUGAL	Cheapest£224	Average£453	FlexibilityNo cancel fee	On-timeN/A	Search TAP AIR PORTUGAL flights
Delta	Cheapest£236	Average£603	FlexibilityNo cancel fee	On-timeN/A	Search Delta flights
Iberia	Cheapest£237	Average£567	FlexibilityNo cancel fee	On-time77%	Search Iberia flights
PLAY	Cheapest£248	Average£414	FlexibilityNo cancel fee	On-timeN/A	Search PLAY flights
SWISS	Cheapest£276	Average£446	FlexibilityNo cancel fee	On-time79%	Search SWISS flights
Air Canada	Cheapest£283	Average£530	FlexibilityNo cancel fee	On-time67%	Search Air Canada flights
Icelandair	Cheapest£294	Average£504	FlexibilityNo cancel fee	On-time76%	Search Icelandair flights
Scandinavian Airlines	Cheapest£295	Average£502	FlexibilityNo cancel fee	On-time77%	Search Scandinavian Airlines flights
Aeromexico	Cheapest£295	Average£655	FlexibilityNo cancel fee	On-timeN/A	Search Aeromexico 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.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.

Cheap flights from Portsmouth to North America from £267

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 20/4. 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 27 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 27 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 27 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 27 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 27 December 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

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?

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

Can Cheapflights 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?

100% Free

Book with Flexibility

Travel Smart

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 27 December 2025.