How long is the flight from Portsmouth to North America?

A quick flight from Portsmouth to North America can take about 13h 40m. Virgin Atlantic provides one of the quickest options available for as low as £451. The distance between Portsmouth and North America is about 5434 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 - Toronto Pearson Intl. You may also consider Southampton Eastleigh - New York John F Kennedy Intl or Southampton Eastleigh - Newark.

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 £368 while the most popular route, (Southampton Eastleigh - Toronto Pearson Intl) is currently priced at £502.

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%), Air Canada (85%) or Austrian Airlines (85%) 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.

£301+ 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 5 December 2025.

Tue 23/1217:30SOU - MIA

2 stops36h 01mDelta

Wed 31/1211:45MIA - SOU

2 stops24h 40mDelta

Deal found 3/12£635

Thu 11/1208:50SOU - LAX

1 stop34h 55mDelta

Wed 7/110:25LAX - SOU

2 stops22h 40mDelta

Deal found 4/12£687

Tue 9/1208:40SOU - LAX

1 stop35h 05mDelta

Wed 7/123:55LAX - SOU

2 stops33h 10mDelta

Deal found 4/12£687

Sat 13/1209:25SOU - SFO

1 stop34h 25mDelta

Wed 7/122:55SFO - SOU

2 stops25h 30mDelta

Deal found 3/12£714

Wed 24/1208:40SOU - MIA

2 stops20h 51mDelta

Wed 31/1212:45MIA - SOU

2 stops14h 35mDelta

Deal found 3/12£718

Thu 11/1218:05SOU - LAX

1 stop25h 40mDelta

Thu 8/107:45LAX - SOU

2 stops16h 40mDelta

Deal found 4/12£719

Tue 9/1217:30SOU - LAX

1 stop26h 15mDelta

Thu 8/107:45LAX - SOU

2 stops16h 40mDelta

Deal found 4/12£719

Thu 11/1208:50SOU - LAX

2 stops19h 50mDelta

Fri 9/119:20LAX - SOU

2 stops37h 55mDelta

Deal found 4/12£722

Tue 9/1217:30SOU - LAX

1 stop26h 15mDelta

Fri 9/120:25LAX - SOU

2 stops36h 50mDelta

Deal found 4/12£724

Tue 23/1217:30SOU - SFO

1 stop26h 20mDelta

Mon 5/122:55SFO - SOU

2 stops25h 55mDelta

Deal found 4/12£725

Wed 24/1208:40SOU - SFO

2 stops20h 40mDelta

Wed 7/106:00SFO - SOU

2 stops27h 05mDelta

Deal found 4/12£730

Mon 15/1208:40SOU - YYZ

1 stop12h 00mDelta

Thu 8/106:00YYZ - SOU

2 stops21h 25mDelta

Deal found 4/12£749

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 5 December 2025.

Fri 16/117:35SOU - MIA

2 stops30h 41mVirgin Atlantic

Fri 23/116:50MIA - SOU

1 stop10h 55mVirgin Atlantic

Deal found 3/12£449

Tue 31/309:05SOU - LAX

1 stop13h 40mDelta

Tue 14/416:45LAX - SOU

1 stop16h 05mDelta

Deal found 3/12£451

Fri 16/108:10SOU - JFK

2 stops18h 50mMultiple Airlines

Fri 23/117:00JFK - SOU

1 stop10h 45mMultiple Airlines

Deal found 3/12£501

Mon 19/109:30SOU - JFK

1 stop14h 59mAer Lingus

Mon 26/117:00JFK - SOU

1 stop13h 55mAer Lingus

Deal found 4/12£525

Thu 15/109:00SOU - YYZ

1 stop15h 15mKLM

Thu 22/121:15YYZ - SOU

1 stop14h 50mKLM

Deal found 3/12£588

Thu 5/209:30SOU - YYZ

1 stop11h 25mBritish Airways

Sun 8/217:25YYZ - SOU

1 stop10h 20mBritish Airways

Deal found 3/12£645

Thu 2/417:20SOU - LAX

1 stop26h 30mDelta

Sun 12/416:45LAX - SOU

1 stop16h 05mDelta

Deal found 3/12£462

Mon 19/116:05SOU - JFK

2 stops28h 40mMultiple Airlines

Mon 26/117:35JFK - SOU

3 stops34h 15mMultiple Airlines

Deal found 4/12£503

Mon 6/417:20SOU - LAX

1 stop29h 25mDelta

Mon 13/416:45LAX - SOU

1 stop16h 05mDelta

Deal found 3/12£462

Mon 19/109:30SOU - EWR

1 stop11h 45mAer Lingus

Mon 26/117:45EWR - SOU

1 stop13h 10mAer Lingus

Deal found 4/12£527

Mon 19/117:35SOU - JFK

1 stop23h 05mVirgin Atlantic

Mon 26/116:40JFK - SOU

2 stops19h 25mVirgin Atlantic

Deal found 4/12£531

Mon 6/417:20SOU - LAX

1 stop29h 25mDelta

Tue 14/416:45LAX - SOU

1 stop16h 05mDelta

Deal found 3/12£462

Fri 16/116:05SOU - EWR

1 stop29h 10mAer Lingus

Fri 23/117:45EWR - SOU

1 stop10h 00mAer Lingus

Deal found 3/12£531

Mon 26/120:10SOU - JFK

2 stops26h 10mMultiple Airlines

Sun 8/219:25JFK - SOU

2 stops16h 50mMultiple Airlines

Deal found 4/12£537

Mon 19/117:35SOU - LGA

2 stops35h 07mVirgin Atlantic

Mon 26/116:00LGA - SOU

2 stops20h 05mVirgin Atlantic

Deal found 4/12£541

Wed 1/409:05SOU - LAX

1 stop13h 40mDelta

Tue 14/416:45LAX - SOU

1 stop16h 05mDelta

Deal found 3/12£462

Sun 18/117:45SOU - YUL

1 stop28h 35mKLM

Sun 25/119:05YUL - SOU

2 stops17h 00mKLM

Deal found 4/12£619

Wed 4/212:25SOU - YYZ

1 stop32h 30mBritish Airways

Sun 8/217:25YYZ - SOU

1 stop10h 20mBritish Airways

Deal found 2/12£647

Sun 18/109:30SOU - EWR

1 stop11h 45mAer Lingus

Sun 25/117:45EWR - SOU

1 stop10h 00mAer Lingus

Deal found 4/12£535

Sun 18/117:45SOU - YUL

2 stops27h 00mMultiple Airlines

Sun 25/121:25YUL - SOU

2 stops14h 40mMultiple Airlines

Deal found 4/12£562

Sun 29/317:20SOU - LAX

1 stop26h 30mDelta

Tue 14/416:45LAX - SOU

1 stop16h 05mDelta

Deal found 3/12£474

Sun 18/117:45SOU - MIA

2 stops30h 09mKLM

Sun 25/116:50MIA - SOU

1 stop11h 00mKLM

Deal found 4/12£634

Thu 15/109:30SOU - YYZ

1 stop11h 25mBritish Airways

Tue 27/117:25YYZ - SOU

2 stops17h 35mBritish Airways

Deal found 3/12£662

Sun 18/109:30SOU - JFK

1 stop14h 59mAer Lingus

Sun 25/117:00JFK - SOU

1 stop10h 45mAer Lingus

Deal found 4/12£555

Sun 18/120:10SOU - EWR

2 stops48h 30mMultiple Airlines

Sun 25/117:45EWR - SOU

1 stop10h 00mMultiple Airlines

Deal found 4/12£567

Sun 29/309:15SOU - LAX

1 stop34h 35mDelta

Sun 12/413:50LAX - SOU

1 stop19h 00mDelta

Deal found 3/12£474

Fri 16/117:35SOU - YYZ

1 stop27h 05mKLM

Fri 30/112:07YYZ - SOU

2 stops15h 38mKLM

Deal found 3/12£651

Sat 17/109:25SOU - YVR

1 stop12h 45mVirgin Atlantic

Sat 24/111:40YVR - SOU

2 stops21h 35mVirgin Atlantic

Deal found 3/12£664

Wed 4/212:25SOU - LGA

2 stops38h 04mBritish Airways

Sun 8/217:07LGA - SOU

2 stops37h 48mBritish Airways

Deal found 3/12£673

Sat 17/109:30SOU - JFK

1 stop14h 59mAer Lingus

Sat 24/117:00JFK - SOU

1 stop10h 45mAer Lingus

Deal found 3/12£570

Last-minute flights from Portsmouth to North America
Discover last-minute flight deals from Portsmouth to North America. Data last updated 5 December 2025 and is based on user searches.

Fri 16/117:35SOU - MIA

2 stops30h 41mVirgin Atlantic

Fri 23/107:40MIA - SOU

2 stops20h 05mVirgin Atlantic

Deal found 3/12£449

Fri 16/108:10SOU - JFK

2 stops18h 50mMultiple Airlines

Fri 23/117:00JFK - SOU

1 stop10h 45mMultiple Airlines

Deal found 3/12£501

Fri 16/108:10SOU - EWR

2 stops17h 50mMultiple Airlines

Fri 23/123:00EWR - SOU

1 stop10h 50mMultiple Airlines

Deal found 3/12£514

Fri 16/109:30SOU - YYZ

1 stop11h 25mAer Lingus

Fri 30/117:25YYZ - SOU

1 stop10h 20mAer Lingus

Deal found 3/12£523

Sat 17/109:25SOU - SFO

2 stops22h 00mVirgin Atlantic

Sat 24/113:55SFO - SOU

1 stop19h 20mVirgin Atlantic

Deal found 3/12£492

Sun 18/120:10SOU - JFK

2 stops48h 35mMultiple Airlines

Sun 25/117:35JFK - SOU

2 stops21h 05mMultiple Airlines

Deal found 4/12£357

Sun 18/117:45SOU - SFO

2 stops32h 54mKLM

Sun 25/113:55SFO - SOU

1 stop19h 10mKLM

Deal found 4/12£516

Mon 19/116:05SOU - JFK

2 stops28h 40mMultiple Airlines

Mon 26/117:35JFK - SOU

3 stops34h 15mMultiple Airlines

Deal found 4/12£503

Mon 19/116:05SOU - EWR

2 stops28h 35mMultiple Airlines

Mon 26/117:40EWR - SOU

3 stops34h 10mMultiple Airlines

Deal found 4/12£507

Mon 19/109:30SOU - JFK

1 stop14h 59mAer Lingus

Mon 26/117:00JFK - SOU

1 stop13h 55mAer Lingus

Deal found 4/12£525

Mon 19/109:30SOU - EWR

1 stop11h 45mAer Lingus

Mon 26/117:45EWR - SOU

1 stop13h 10mAer Lingus

Deal found 4/12£527

Mon 26/120:10SOU - JFK

2 stops26h 10mMultiple Airlines

Sun 8/223:45JFK - SOU

1 stop14h 35mMultiple Airlines

Deal found 4/12£528

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 5 December 2025.

Mon 15/1208:30SOU - JFK

2 stops19h 00mMultiple Airlines

Deal found 4/12£301

Sun 18/120:10SOU - YYZ

3 stops52h 40mMultiple Airlines

Deal found 4/12£313

Mon 15/1219:55SOU - EWR

2 stops24h 35mMultiple Airlines

Deal found 4/12£323

Wed 15/409:10SOU - LAX

3 stops40h 00mMultiple Airlines

Deal found 4/12£344

Sat 17/117:15SOU - YVR

3 stops46h 50mMultiple Airlines

Deal found 2/12£348

Wed 10/1220:10SOU - YYZ

2 stops45h 25mMultiple Airlines

Deal found 3/12£358

Wed 15/409:10SOU - LAX

1 stop17h 15mAer Lingus

Deal found 4/12£373

Thu 29/109:30SOU - YYZ

1 stop11h 25mBritish Airways

Deal found 3/12£374

Mon 15/1219:55SOU - LGA

3 stops52h 47mMultiple Airlines

Deal found 4/12£390

Sun 17/520:00SOU - JFK

2 stops23h 25mAer Lingus

Deal found 3/12£405

Wed 18/208:40SOU - JFK

2 stops15h 55mBritish Airways

Deal found 3/12£411

Wed 6/509:10SOU - LGA

2 stops16h 54mBritish Airways

Deal found 4/12£419

Find flight deals from Portsmouth to North America

Round-trip from	£357
One-way from	£301
Popular in	December
Cheapest in	September
Average price	£508

18/1-25/1
4 total stops
69h 40m total
Portsmouth to North America

Search Deals

15/12
2 total stops
19h 00m total
Portsmouth to North America

Search Deals

Highest demand for flights based on searches. 6% potential increase in price (£21 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

SouthamptonMiami

SOU - MIA

SOUMIA

Southampton Eastleigh

Fri 16/1

17:35-19:16

2 stops30h 41m

Miami

Fri 23/1

16:50-08:45

1 stop10h 55m

£449

SouthamptonLos Angeles

SOU - LAX

SOULAX

Southampton Eastleigh

Tue 31/3

09:05-14:45

1 stop13h 40m

Los Angeles

Tue 14/4

16:45-16:50

1 stop16h 05m

£451

SouthamptonLos Angeles

SOU - LAX

SOULAX

Southampton Eastleigh

Thu 2/4

17:20-11:50

1 stop26h 30m

Los Angeles

Sun 12/4

16:45-16:50

1 stop16h 05m

£462

SouthamptonLos Angeles

SOU - LAX

SOULAX

Southampton Eastleigh

Mon 6/4

17:20-14:45

1 stop29h 25m

Los Angeles

Mon 13/4

16:45-16:50

1 stop16h 05m

£462

SouthamptonLos Angeles

SOU - LAX

SOULAX

Southampton Eastleigh

Mon 6/4

17:20-14:45

1 stop29h 25m

Los Angeles

Tue 14/4

16:45-16:50

1 stop16h 05m

£462

SouthamptonLos Angeles

SOU - LAX

SOULAX

Southampton Eastleigh

Wed 1/4

09:05-14:45

1 stop13h 40m

Los Angeles

Tue 14/4

16:45-16:50

1 stop16h 05m

£462

SouthamptonLos Angeles

SOU - LAX

SOULAX

Southampton Eastleigh

Sun 29/3

17:20-11:50

1 stop26h 30m

Los Angeles

Tue 14/4

16:45-16:50

1 stop16h 05m

£474

SouthamptonLos Angeles

SOU - LAX

SOULAX

Southampton Eastleigh

Sun 29/3

09:15-11:50

1 stop34h 35m

Los Angeles

Sun 12/4

13:50-16:50

1 stop19h 00m

£474

SouthamptonNew York

SOU - JFK

SOUJFK

Southampton Eastleigh

Fri 16/1

08:10-22:00

2 stops18h 50m

New York John F Kennedy Intl

Fri 23/1

17:00-08:45

1 stop10h 45m

£501

SouthamptonNew York

SOU - JFK

SOUJFK

Southampton Eastleigh

Mon 19/1

16:05-15:45

2 stops28h 40m

New York John F Kennedy Intl

Mon 26/1

17:35-08:50

3 stops34h 15m

£503

Flights are sorted by cheapest return flights first.

Deals found on 4/12

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 £91). Flying from Portsmouth to North America in December is currently the most expensive (average of £302). 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 in the evening could potentially save you up to 8% 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 (44 on average). You will have fewer flight options on Friday, which is when the least amount of flights are scheduled (38 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

1,430 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

1,430 reviews

KLM

7.7

Good

1,430 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

1,430 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

1,384 reviews

KLM

7.7

Good

1,430 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 13h 40m. Virgin Atlantic provides one of the quickest options available for as low as £451. The distance between Portsmouth and North America is about 5434 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 - Toronto Pearson Intl. You may also consider Southampton Eastleigh - New York John F Kennedy Intl or Southampton Eastleigh - Newark.
What are the most reliable airlines from Portsmouth to North America?
No one likes to see their flight delayed. When booking a flight from Portsmouth to North America consider choosing SriLankan Airlines (89%), Air Canada (85%) or Austrian Airlines (85%) 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 £368 while the most popular route, (Southampton Eastleigh - Toronto Pearson Intl) is currently priced at £502.
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 £91). Flying from Portsmouth to North America in December is currently the most expensive (average of £302). 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£91	Average£591	FlexibilityNo cancel fee	On-time62%	Search JetBlue flights
Delta	Cheapest£239	Average£592	FlexibilityNo cancel fee	On-timeN/A	Search Delta flights
PLAY	Cheapest£251	Average£422	FlexibilityNo cancel fee	On-timeN/A	Search PLAY flights
TAP AIR PORTUGAL	Cheapest£282	Average£469	FlexibilityNo cancel fee	On-timeN/A	Search TAP AIR PORTUGAL flights
Icelandair	Cheapest£291	Average£475	FlexibilityNo cancel fee	On-time76%	Search Icelandair flights
SWISS	Cheapest£294	Average£445	FlexibilityNo cancel fee	On-time79%	Search SWISS flights
United Airlines	Cheapest£297	Average£518	FlexibilityNo cancel fee	On-time69%	Search United Airlines flights
Scandinavian Airlines	Cheapest£298	Average£486	FlexibilityNo cancel fee	On-time77%	Search Scandinavian Airlines flights
Aeromexico	Cheapest£299	Average£659	FlexibilityNo cancel fee	On-timeN/A	Search Aeromexico flights
Air Transat	Cheapest£303	Average£481	FlexibilityNo cancel fee	On-time50%	Search Air Transat 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?

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Yes! Cheapflights helps users easily find flights from Portsmouth to North America with no change fees.

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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 £301

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 15/12. 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 5 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 5 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 5 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 5 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?

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What are the cheapest flights 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 5 December 2025.