How long is the flight from Portsmouth to North America?

A quick flight from Portsmouth to North America can take about 21h 20m. Aer Lingus provides one of the quickest options available for as low as £496. 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 - New York John F Kennedy Intl. You may also consider Southampton Eastleigh - Newark or Southampton Eastleigh - Chicago O'Hare Intl.

What are the cheapest flights from Portsmouth to North America?

On average you can expect to pay £2,610 for a flight from Portsmouth to North America. The cheapest flight overall is £359 while the most popular route, (Southampton Eastleigh - New York John F Kennedy Intl) is currently priced at £457.

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 KLM (84%), Air France (84%) or Delta (84%) 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.

£278+ Cheap Flights from Portsmouth to North America

Cheap flight deals from Portsmouth to North America

Round-trip from	£457
One-way from	£278
Popular in	December
Cheapest in	September
Average price	£409

24/11-27/11
4 total stops
43h 35m total
Portsmouth to North America

Search Deals

23/3
3 total stops
28h 10m total
Portsmouth to North America

Search Deals

Highest demand for flights based on searches. 4% potential increase in price (£13 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 October 2025

Search Deals

Find 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 17 October 2025.

Mon 24/1116:05SOU - EWR

2 stops26h 30mMultiple Airlines

Thu 27/1117:30EWR - SOU

2 stops17h 05mMultiple Airlines

Deal found 15/10£457

Mon 1/1216:05SOU - JFK

3 stops28h 40mMultiple Airlines

Mon 8/1217:35JFK - SOU

2 stops17h 00mMultiple Airlines

Deal found 17/10£482

Sun 30/1120:10SOU - YYZ

1 stop24h 45mAer Lingus

Sun 7/1217:25YYZ - SOU

1 stop21h 15mAer Lingus

Deal found 16/10£490

Mon 24/1109:30SOU - JFK

2 stops35h 15mMultiple Airlines

Thu 27/1117:35JFK - SOU

2 stops17h 00mMultiple Airlines

Deal found 15/10£493

Mon 24/1120:10SOU - JFK

2 stops29h 00mMultiple Airlines

Tue 9/1216:50JFK - SOU

2 stops14h 05mMultiple Airlines

Deal found 16/10£495

Mon 1/1209:30SOU - ORD

1 stop14h 25mAer Lingus

Mon 8/1219:40ORD - SOU

1 stop13h 55mAer Lingus

Deal found 16/10£497

Mon 24/1119:55SOU - EWR

2 stops31h 15mMultiple Airlines

Wed 10/1217:45EWR - SOU

1 stop10h 00mMultiple Airlines

Deal found 16/10£497

Mon 24/1119:55SOU - JFK

2 stops29h 10mMultiple Airlines

Wed 10/1217:00JFK - SOU

1 stop10h 45mMultiple Airlines

Deal found 16/10£499

Mon 17/1119:55SOU - EWR

2 stops31h 15mMultiple Airlines

Wed 3/1217:40EWR - SOU

3 stops21h 00mMultiple Airlines

Deal found 15/10£500

Mon 1/1218:05SOU - JFK

1 stop26h 40mKLM

Mon 8/1217:45JFK - SOU

1 stop9h 25mKLM

Deal found 17/10£523

Mon 24/1108:40SOU - LGA

2 stops17h 36mDelta

Tue 9/1212:10LGA - SOU

2 stops15h 00mDelta

Deal found 16/10£524

Mon 24/1108:40SOU - JFK

1 stop15h 40mDelta

Wed 10/1217:45JFK - SOU

1 stop9h 35mDelta

Deal found 16/10£524

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 17 October 2025.

Mon 24/1116:05SOU - EWR

2 stops26h 30mMultiple Airlines

Thu 27/1117:30EWR - SOU

2 stops17h 05mMultiple Airlines

Deal found 15/10£457

Sun 30/1120:10SOU - YYZ

1 stop24h 45mAer Lingus

Sun 7/1217:25YYZ - SOU

1 stop21h 15mAer Lingus

Deal found 16/10£490

Thu 26/308:50SOU - LAX

2 stops21h 20mVirgin Atlantic

Mon 30/316:50LAX - SOU

1 stop16h 10mVirgin Atlantic

Deal found 14/10£496

Wed 7/117:30SOU - MIA

1 stop26h 20mKLM

Sun 18/116:50MIA - SOU

1 stop11h 00mKLM

Deal found 16/10£498

Wed 7/109:25SOU - MIA

2 stops16h 55mDelta

Sun 18/111:35MIA - SOU

2 stops16h 15mDelta

Deal found 16/10£505

Fri 26/1209:30SOU - YYZ

1 stop11h 25mBritish Airways

Wed 7/117:25YYZ - SOU

1 stop10h 20mBritish Airways

Deal found 15/10£655

Mon 1/1209:30SOU - ORD

1 stop14h 25mAer Lingus

Mon 8/1219:40ORD - SOU

1 stop13h 55mAer Lingus

Deal found 16/10£497

Mon 17/1119:55SOU - EWR

2 stops31h 15mMultiple Airlines

Wed 3/1217:40EWR - SOU

3 stops21h 00mMultiple Airlines

Deal found 15/10£500

Wed 7/117:30SOU - MIA

1 stop26h 20mVirgin Atlantic

Sun 18/107:00MIA - SOU

2 stops20h 50mVirgin Atlantic

Deal found 16/10£500

Wed 7/109:25SOU - MIA

1 stop34h 25mDelta

Wed 14/112:01MIA - SOU

2 stops15h 24mDelta

Deal found 16/10£518

Wed 7/117:30SOU - MIA

1 stop26h 20mDelta

Tue 13/112:01MIA - SOU

2 stops23h 59mDelta

Deal found 16/10£518

Sat 7/309:25SOU - MIA

2 stops18h 55mKLM

Wed 11/312:01MIA - SOU

2 stops16h 19mKLM

Deal found 16/10£573

Sun 30/1109:30SOU - MIA

2 stops34h 10mMultiple Airlines

Sun 7/1207:25MIA - SOU

2 stops27h 10mMultiple Airlines

Deal found 16/10£531

Mon 24/1108:40SOU - JFK

1 stop15h 40mDelta

Wed 10/1217:45JFK - SOU

1 stop9h 35mDelta

Deal found 16/10£524

Wed 5/1108:40SOU - EWR

2 stops19h 30mKLM

Wed 12/1112:50EWR - SOU

2 stops14h 30mKLM

Deal found 14/10£594

Mon 17/1109:30SOU - LGA

2 stops16h 56mBritish Airways

Mon 24/1113:20LGA - SOU

2 stops21h 15mBritish Airways

Deal found 16/10£669

Thu 30/1009:30SOU - EWR

3 stops33h 05mMultiple Airlines

Thu 6/1117:30EWR - SOU

2 stops17h 05mMultiple Airlines

Deal found 16/10£560

Mon 24/1108:40SOU - LGA

2 stops17h 36mDelta

Wed 10/1211:33LGA - SOU

2 stops15h 47mDelta

Deal found 16/10£528

Thu 5/318:05SOU - ORD

1 stop26h 15mVirgin Atlantic

Mon 9/314:10ORD - SOU

2 stops37h 00mVirgin Atlantic

Deal found 14/10£657

Sun 30/1118:05SOU - YYZ

2 stops43h 22mKLM

Sun 7/1223:15YYZ - SOU

2 stops36h 45mKLM

Deal found 16/10£598

Sun 30/1116:05SOU - MCO

1 stop31h 05mAer Lingus

Sun 7/1217:20MCO - SOU

2 stops21h 20mAer Lingus

Deal found 15/10£675

Fri 26/1209:30SOU - YYZ

1 stop11h 25mBritish Airways

Tue 6/117:25YYZ - SOU

2 stops17h 35mBritish Airways

Deal found 15/10£676

Mon 24/1119:55SOU - EWR

2 stops24h 35mMultiple Airlines

Mon 8/1200:15EWR - SOU

3 stops37h 15mMultiple Airlines

Deal found 16/10£561

Mon 24/1108:40SOU - EWR

2 stops20h 01mDelta

Tue 9/1212:50EWR - SOU

2 stops14h 20mDelta

Deal found 16/10£535

Fri 26/1209:30SOU - YYZ

1 stop11h 25mBritish Airways

Thu 8/116:44YYZ - SOU

2 stops17h 51mBritish Airways

Deal found 15/10£677

Mon 24/1119:55SOU - EWR

3 stops31h 10mMultiple Airlines

Wed 10/1210:30EWR - SOU

3 stops28h 10mMultiple Airlines

Deal found 16/10£568

Sun 2/1118:05SOU - LAX

1 stop25h 40mDelta

Mon 10/1113:45LAX - SOU

1 stop19h 15mDelta

Deal found 17/10£536

Sat 29/1109:30SOU - ORD

1 stop14h 25mAer Lingus

Sat 6/1215:50ORD - SOU

1 stop10h 55mAer Lingus

Deal found 15/10£717

Wed 24/1208:40SOU - YYZ

2 stops40h 35mBritish Airways

Wed 7/117:25YYZ - SOU

1 stop10h 20mBritish Airways

Deal found 15/10£686

Sun 30/1120:10SOU - YYZ

2 stops25h 05mMultiple Airlines

Sun 7/1219:35YYZ - SOU

1 stop19h 05mMultiple Airlines

Deal found 16/10£585

Last-minute flights from Portsmouth to North America
Discover last-minute flight deals from Portsmouth to North America. Data last updated 17 October 2025 and is based on user searches.

Mon 17/1119:55SOU - EWR

2 stops31h 15mMultiple Airlines

Wed 3/1217:40EWR - SOU

3 stops21h 00mMultiple Airlines

Deal found 15/10£500

Mon 24/1116:05SOU - EWR

2 stops26h 30mMultiple Airlines

Thu 27/1117:30EWR - SOU

2 stops17h 05mMultiple Airlines

Deal found 15/10£457

Mon 24/1109:30SOU - JFK

2 stops35h 15mMultiple Airlines

Thu 27/1117:35JFK - SOU

2 stops17h 00mMultiple Airlines

Deal found 15/10£493

Mon 24/1120:10SOU - JFK

2 stops29h 00mMultiple Airlines

Tue 9/1216:50JFK - SOU

2 stops14h 05mMultiple Airlines

Deal found 16/10£495

Mon 24/1119:55SOU - EWR

2 stops31h 15mMultiple Airlines

Wed 10/1217:45EWR - SOU

1 stop10h 00mMultiple Airlines

Deal found 16/10£497

Mon 24/1119:55SOU - JFK

2 stops29h 10mMultiple Airlines

Wed 10/1217:00JFK - SOU

1 stop10h 45mMultiple Airlines

Deal found 16/10£499

Mon 24/1108:40SOU - LGA

2 stops17h 36mDelta

Tue 9/1212:10LGA - SOU

2 stops15h 00mDelta

Deal found 16/10£524

Mon 24/1108:40SOU - JFK

1 stop15h 40mDelta

Wed 10/1217:45JFK - SOU

1 stop9h 35mDelta

Deal found 16/10£524

Mon 24/1108:40SOU - LGA

2 stops17h 36mDelta

Wed 10/1211:33LGA - SOU

2 stops15h 47mDelta

Deal found 16/10£528

Mon 24/1108:40SOU - JFK

2 stops18h 52mDelta

Tue 9/1212:59JFK - SOU

2 stops14h 11mDelta

Deal found 16/10£529

Sun 30/1120:10SOU - YYZ

1 stop24h 45mAer Lingus

Sun 7/1217:25YYZ - SOU

1 stop21h 15mAer Lingus

Deal found 16/10£490

Sun 30/1109:30SOU - MIA

2 stops34h 10mMultiple Airlines

Sun 7/1207:25MIA - SOU

2 stops27h 10mMultiple Airlines

Deal found 16/10£531

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 17 October 2025.

Mon 23/319:55SOU - JFK

3 stops28h 10mMultiple Airlines

Deal found 15/10£278

Mon 23/319:55SOU - EWR

2 stops31h 15mMultiple Airlines

Deal found 15/10£296

Thu 15/114:15SOU - MIA

2 stops34h 45mMultiple Airlines

Deal found 16/10£307

Tue 24/315:20SOU - EWR

3 stops29h 10mMultiple Airlines

Deal found 15/10£311

Tue 24/315:20SOU - JFK

3 stops33h 45mMultiple Airlines

Deal found 15/10£311

Mon 1/1214:35SOU - CUN

2 stops36h 00mMultiple Airlines

Deal found 16/10£363

Sat 15/1115:20SOU - YYZ

3 stops58h 55mMultiple Airlines

Deal found 15/10£372

Tue 9/1212:25SOU - JFK

1 stop12h 00mBritish Airways

Deal found 16/10£405

Mon 12/109:30SOU - EWR

1 stop11h 45mBritish Airways

Deal found 16/10£406

Mon 8/1209:30SOU - JFK

1 stop14h 55mBritish Airways

Deal found 16/10£407

Sun 7/1220:10SOU - JFK

1 stop28h 15mBritish Airways

Deal found 16/10£412

Mon 23/316:05SOU - EWR

1 stop29h 10mAer Lingus

Deal found 15/10£418

Cheapflights Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

SouthamptonNewark

SOU - EWR

SOUEWR

Southampton Eastleigh

Mon 24/11

16:05-13:35

2 stops26h 30m

Newark

Thu 27/11

17:30-15:35

2 stops17h 05m

£457

SouthamptonToronto

SOU - YYZ

SOUYYZ

Southampton Eastleigh

Sun 30/11

20:10-15:55

1 stop24h 45m

Toronto Pearson Intl

Sun 7/12

17:25-19:40

1 stop21h 15m

£490

SouthamptonLos Angeles

SOU - LAX

SOULAX

Southampton Eastleigh

Thu 26/3

08:50-23:10

2 stops21h 20m

Los Angeles

Mon 30/3

16:50-17:00

1 stop16h 10m

£496

SouthamptonChicago

SOU - ORD

SOUORD

Southampton Eastleigh

Mon 1/12

09:30-17:55

1 stop14h 25m

Chicago O'Hare Intl

Mon 8/12

19:40-15:35

1 stop13h 55m

£497

SouthamptonMiami

SOU - MIA

SOUMIA

Southampton Eastleigh

Wed 7/1

17:30-14:50

1 stop26h 20m

Miami

Sun 18/1

16:50-08:50

1 stop11h 00m

£498

SouthamptonNewark

SOU - EWR

SOUEWR

Southampton Eastleigh

Mon 17/11

19:55-22:10

2 stops31h 15m

Newark

Wed 3/12

17:40-19:40

3 stops21h 00m

£500

SouthamptonMiami

SOU - MIA

SOUMIA

Southampton Eastleigh

Wed 7/1

17:30-14:50

1 stop26h 20m

Miami

Sun 18/1

07:00-08:50

2 stops20h 50m

£500

SouthamptonMiami

SOU - MIA

SOUMIA

Southampton Eastleigh

Wed 7/1

09:25-21:20

2 stops16h 55m

Miami

Sun 18/1

11:35-08:50

2 stops16h 15m

£505

SouthamptonMiami

SOU - MIA

SOUMIA

Southampton Eastleigh

Wed 7/1

09:25-14:50

1 stop34h 25m

Miami

Wed 14/1

12:01-08:25

2 stops15h 24m

£518

SouthamptonMiami

SOU - MIA

SOUMIA

Southampton Eastleigh

Wed 7/1

17:30-14:50

1 stop26h 20m

Miami

Tue 13/1

12:01-17:00

2 stops23h 59m

£518

Flights are sorted by cheapest return flights first.

Deals found on 15/10

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 £293). 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 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 afternoons 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 Tuesday (49 on average). You will have fewer flight options on Friday, which is when the least amount of flights are scheduled (43 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

1,404 reviews

Check prices

Reviews

1 / 20

2.0

Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.

KLM

7.7

Good

1,404 reviews

KLM

7.7

Good

1,404 reviews

Check prices

Reviews

1 / 20

2.0

Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.

Virgin Atlantic

7.5

Good

670 reviews

KLM

7.7

Good

1,404 reviews

Check prices

Reviews

1 / 20

2.0

Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.

Aer Lingus

7.2

Good

1,341 reviews

KLM

7.7

Good

1,404 reviews

Check prices

Reviews

1 / 20

2.0

Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.

British Airways

6.7

Okay

7,459 reviews

KLM

7.7

Good

1,404 reviews

Check prices

Reviews

1 / 20

2.0

Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.

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 21h 20m. Aer Lingus provides one of the quickest options available for as low as £496. 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 - New York John F Kennedy Intl. You may also consider Southampton Eastleigh - Newark or Southampton Eastleigh - Chicago O'Hare 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 KLM (84%), Air France (84%) or Delta (84%) 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 £2,610 for a flight from Portsmouth to North America. The cheapest flight overall is £359 while the most popular route, (Southampton Eastleigh - New York John F Kennedy Intl) is currently priced at £457.
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 £293). 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£605	FlexibilityNo cancel fee	On-time62%	Search JetBlue flights
Delta	Cheapest£238	Average£638	FlexibilityNo cancel fee	On-timeN/A	Search Delta flights
PLAY	Cheapest£250	Average£344	FlexibilityNo cancel fee	On-timeN/A	Search PLAY flights
TAP AIR PORTUGAL	Cheapest£282	Average£471	FlexibilityNo cancel fee	On-timeN/A	Search TAP AIR PORTUGAL flights
Air Canada	Cheapest£285	Average£538	FlexibilityNo cancel fee	On-time67%	Search Air Canada flights
SWISS	Cheapest£292	Average£453	FlexibilityNo cancel fee	On-time79%	Search SWISS flights
Aeromexico	Cheapest£297	Average£672	FlexibilityNo cancel fee	On-timeN/A	Search Aeromexico flights
Icelandair	Cheapest£298	Average£512	FlexibilityNo cancel fee	On-time76%	Search Icelandair flights
Scandinavian Airlines	Cheapest£299	Average£505	FlexibilityNo cancel fee	On-time77%	Search Scandinavian Airlines flights
Aer Lingus	Cheapest£301	Average£605	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.

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 £278

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 23/3. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Portsmouth to North America

Keep the following information in mind while searching for Portsmouth to North America flight deals. Data was last updated 17 October 2025.

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find flight deals from Portsmouth to North America

Cheapest flights from Portsmouth to North AmericaExplore the most affordable flight options available from Portsmouth to North America. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 17 October 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 17 October 2025.

Cheapflights Fare Finder

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

Best time to book a flight from Portsmouth to North America

Have a flexible travel schedule? Discover the best time to fly to North America from Portsmouth with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from Portsmouth to North America

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

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

Find hourly flight availability from Portsmouth to North America. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 17 October 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?

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 17 October 2025.