What are the cheapest airlines to fly from Portsmouth to North America one-way?

£439 is the cheapest one-way deal found within the past few days, from Aer Lingus. You may also be able to find cheap deals on KLM and Delta, with prices starting from £1,085 and £1,131, respectively.

What are the most popular routes from Portsmouth to North America?

The most popular route from Portsmouth to North America is Southampton Eastleigh - Houston Hobby. You may also consider Southampton Eastleigh - Seattle/Tacoma Intl or Southampton Eastleigh - Houston George Bush Intcntl.

What are the cheapest flights from Portsmouth to North America?

On average you can expect to pay £1,697 for a flight from Portsmouth to North America. The cheapest flight overall is £378 while the most popular route, (Southampton Eastleigh - Houston Hobby) is currently priced at £878.

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 United Airlines (94%), Air Canada (88%) or Austrian Airlines (88%) 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?

American Airlines, Air Canada and Air France are the most popular airlines when flying from Portsmouth to North America.

How far in advance should I book a flight from Portsmouth to North America?

Travelers have found it’s best to book a flight 38 days in advance to save up to 24% compared to booking the same week of travel. As your travel date approaches, the cost of this flight route may potentially increase. While opting to book 38 days out may not be an option for all, there are still additional ways to secure a deal in the near future. You might find a flight from Portsmouth to North America 1-2 weeks in advance for as low as £412, or £597 for flights within the next 24 hours.

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

Our data shows that January tends to be the cheapest month to fly to North America from Portsmouth. Users have commonly found prices around £416 for the month, but tickets can be as low as £211. Due to multiple factors, prepare for potentially higher prices in August.

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.

£841+ Flights from Portsmouth to North America

Cheap flight deals from Portsmouth to North America

Round-trip from	£401
One-way from	£239
Popular in	August
Cheapest in	January
Average price	£429

KLM
1/5-8/5
2 total stops
34h 01m total
Portsmouth to North America

Search Deals

15/5
2 total stops
36h 10m total
Portsmouth to North America

Search Deals

Highest demand for flights based on searches. 8% potential increase in price (£30 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 April 2025

Search Deals

Find flight deals from Portsmouth to North America

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 April 2025.

Thu 1/517:35SOU - JFK

1 stop23h 46mKLM

Thu 8/517:30JFK - SOU

1 stop10h 15mKLM

Deal found 17/4£401

Mon 28/409:20SOU - JFK

1 stop18h 30mVirgin Atlantic

Mon 12/517:30JFK - SOU

1 stop18h 30mVirgin Atlantic

Deal found 17/4£421

Mon 28/409:20SOU - LGA

2 stops15h 41mDelta

Mon 12/512:59LGA - SOU

2 stops14h 51mDelta

Deal found 17/4£424

Mon 28/409:20SOU - JFK

2 stops17h 47mDelta

Mon 12/510:13JFK - SOU

2 stops17h 37mDelta

Deal found 17/4£424

Mon 28/417:35SOU - JFK

1 stop10h 15mMultiple Airlines

Sun 11/500:50JFK - SOU

1 stop27h 00mMultiple Airlines

Deal found 17/4£460

Fri 2/520:00SOU - JFK

2 stops26h 15mAer Lingus

Thu 8/516:55JFK - SOU

1 stop10h 45mAer Lingus

Deal found 17/4£498

Fri 9/517:35SOU - YYZ

2 stops22h 45mDelta

Fri 23/512:10YYZ - SOU

2 stops15h 35mDelta

Deal found 17/4£498

Fri 9/517:35SOU - YYZ

1 stop31h 20mKLM

Fri 23/512:10YYZ - SOU

2 stops15h 35mKLM

Deal found 17/4£603

Thu 1/509:20SOU - SEA

2 stops19h 30mKLM

Mon 5/518:07SEA - SOU

1 stop14h 53mKLM

Deal found 17/4£603

Thu 29/509:20SOU - ORD

1 stop10h 50mKLM

Thu 5/611:05ORD - SOU

2 stops15h 40mKLM

Deal found 18/4£642

Thu 29/509:20SOU - ORD

1 stop10h 50mDelta

Thu 5/610:05ORD - SOU

2 stops16h 40mDelta

Deal found 17/4£643

Thu 29/509:20SOU - ORD

2 stops20h 38mVirgin Atlantic

Thu 5/607:00ORD - SOU

2 stops19h 45mVirgin Atlantic

Deal found 17/4£646

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 April 2025.

Thu 1/517:35SOU - JFK

1 stop23h 46mKLM

Thu 8/517:30JFK - SOU

1 stop10h 15mKLM

Deal found 17/4£401

Mon 28/409:20SOU - JFK

1 stop18h 30mVirgin Atlantic

Mon 12/517:30JFK - SOU

1 stop18h 30mVirgin Atlantic

Deal found 17/4£421

Mon 28/409:20SOU - LGA

2 stops15h 41mDelta

Mon 12/512:59LGA - SOU

2 stops14h 51mDelta

Deal found 17/4£424

Mon 28/417:35SOU - JFK

1 stop10h 15mMultiple Airlines

Sun 11/500:50JFK - SOU

1 stop27h 00mMultiple Airlines

Deal found 17/4£460

Fri 2/520:00SOU - JFK

2 stops26h 15mAer Lingus

Thu 8/516:55JFK - SOU

1 stop10h 45mAer Lingus

Deal found 17/4£498

Mon 28/409:20SOU - JFK

2 stops17h 47mDelta

Mon 12/510:13JFK - SOU

2 stops17h 37mDelta

Deal found 17/4£424

Fri 9/517:35SOU - YYZ

2 stops22h 45mDelta

Fri 23/512:10YYZ - SOU

2 stops15h 35mDelta

Deal found 17/4£498

Fri 9/517:35SOU - YYZ

1 stop31h 20mKLM

Fri 23/512:10YYZ - SOU

2 stops15h 35mKLM

Deal found 17/4£603

Thu 29/509:20SOU - ORD

2 stops20h 38mVirgin Atlantic

Thu 5/607:00ORD - SOU

2 stops19h 45mVirgin Atlantic

Deal found 17/4£646

Fri 9/519:25SOU - YYZ

3 stops44h 14mMultiple Airlines

Fri 23/517:35YYZ - SOU

2 stops17h 10mMultiple Airlines

Deal found 17/4£647

Thu 1/509:20SOU - SEA

2 stops19h 30mKLM

Mon 5/518:07SEA - SOU

1 stop14h 53mKLM

Deal found 17/4£603

Sun 1/618:25SOU - MIA

2 stops31h 43mVirgin Atlantic

Sun 8/619:35MIA - SOU

2 stops56h 10mVirgin Atlantic

Deal found 16/4£648

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

Tue 22/420:00SOU - JFK

1 stop28h 20mAer Lingus

Tue 29/416:55JFK - SOU

1 stop10h 10mAer Lingus

Deal found 17/4£617

Tue 22/420:00SOU - JFK

2 stops28h 10mMultiple Airlines

Mon 28/400:15JFK - SOU

2 stops27h 15mMultiple Airlines

Deal found 17/4£758

Tue 22/417:35SOU - JFK

1 stop26h 50mKLM

Mon 28/400:50JFK - SOU

1 stop26h 55mKLM

Deal found 17/4£1,071

Tue 22/409:20SOU - LGA

2 stops15h 13mKLM

Tue 29/416:00LGA - SOU

2 stops11h 45mKLM

Deal found 17/4£1,109

Wed 23/409:20SOU - ATL

1 stop16h 05mKLM

Thu 8/519:45ATL - SOU

1 stop32h 00mKLM

Deal found 18/4£1,837

Wed 23/409:20SOU - ATL

1 stop16h 05mVirgin Atlantic

Thu 8/522:40ATL - SOU

1 stop13h 20mVirgin Atlantic

Deal found 17/4£1,839

Thu 24/409:20SOU - LGA

2 stops27h 13mDelta

Wed 30/413:00LGA - SOU

2 stops14h 45mDelta

Deal found 17/4£451

Fri 25/409:20SOU - JFK

1 stop11h 05mDelta

Thu 1/517:30JFK - SOU

1 stop10h 15mDelta

Deal found 17/4£1,038

Sun 27/409:20SOU - ATL

1 stop32h 20mDelta

Thu 15/509:40ATL - SOU

2 stops18h 05mDelta

Deal found 17/4£830

Mon 28/409:20SOU - JFK

1 stop18h 30mVirgin Atlantic

Mon 12/517:30JFK - SOU

1 stop18h 30mVirgin Atlantic

Deal found 17/4£421

Mon 28/409:20SOU - LGA

2 stops15h 41mDelta

Mon 12/512:59LGA - SOU

2 stops14h 51mDelta

Deal found 17/4£424

Mon 28/409:20SOU - JFK

2 stops17h 47mDelta

Mon 12/510:13JFK - SOU

2 stops17h 37mDelta

Deal found 17/4£424

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 April 2025.

Thu 15/515:05SOU - JFK

2 stops36h 10mMultiple Airlines

Deal found 17/4£239

Mon 5/508:05SOU - SEA

2 stops44h 37mMultiple Airlines

Deal found 17/4£280

Sun 1/612:00SOU - MIA

2 stops31h 20mMultiple Airlines

Deal found 17/4£288

Sun 11/520:00SOU - LGA

3 stops50h 30mMultiple Airlines

Deal found 17/4£350

Wed 7/520:00SOU - MDW

3 stops46h 24mMultiple Airlines

Deal found 16/4£356

Sun 1/620:00SOU - JFK

1 stop22h 25mAer Lingus

Deal found 17/4£439

Sun 7/920:00SOU - SEA

1 stop29h 50mAer Lingus

Deal found 17/4£458

Sat 7/614:00SOU - YYZ

1 stop29h 10mMultiple Airlines

Deal found 17/4£486

Sat 17/516:25SOU - ORD

3 stops56h 44mMultiple Airlines

Deal found 17/4£1,024

Sun 11/518:25SOU - JFK

1 stop22h 55mKLM

Deal found 17/4£1,085

Mon 28/417:35SOU - MIA

1 stop25h 20mDelta

Deal found 17/4£1,131

Sun 8/618:25SOU - JFK

2 stops29h 05mDelta

Deal found 17/4£1,131

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

Thu 1/5

17:35-12:21

1 stop23h 46m

New York John F Kennedy Intl

Thu 8/5

17:30-08:45

1 stop10h 15m

£401

SouthamptonNew York

SOU - JFK

SOUJFK

Southampton Eastleigh

Mon 28/4

17:35-22:50

1 stop10h 15m

New York John F Kennedy Intl

Mon 12/5

10:13-08:50

2 stops17h 37m

£420

SouthamptonNew York

SOU - LGA

SOULGA

Southampton Eastleigh

Mon 28/4

09:20-20:01

2 stops15h 41m

New York LaGuardia

Mon 12/5

12:59-08:50

2 stops14h 51m

£424

SouthamptonNew York

SOU - JFK

SOUJFK

Southampton Eastleigh

Thu 1/5

09:20-22:07

2 stops17h 47m

New York John F Kennedy Intl

Wed 7/5

00:50-08:45

1 stop26h 55m

£435

SouthamptonNew York

SOU - JFK

SOUJFK

Southampton Eastleigh

Mon 28/4

17:35-22:50

1 stop10h 15m

New York John F Kennedy Intl

Sun 11/5

00:50-08:50

1 stop27h 00m

£460

SouthamptonNew York

SOU - JFK

SOUJFK

Southampton Eastleigh

Fri 2/5

20:00-17:15

2 stops26h 15m

New York John F Kennedy Intl

Thu 8/5

16:55-08:40

1 stop10h 45m

£498

SouthamptonToronto

SOU - YYZ

SOUYYZ

Southampton Eastleigh

Fri 9/5

17:35-11:20

2 stops22h 45m

Toronto Pearson Intl

Fri 23/5

12:10-08:45

2 stops15h 35m

£498

SouthamptonToronto

SOU - YYZ

SOUYYZ

Southampton Eastleigh

Fri 9/5

17:35-19:55

1 stop31h 20m

Toronto Pearson Intl

Fri 23/5

12:10-08:45

2 stops15h 35m

£603

SouthamptonSeattle

SOU - SEA

SOUSEA

Southampton Eastleigh

Thu 1/5

09:20-20:50

2 stops19h 30m

Seattle/Tacoma Intl

Mon 5/5

18:07-17:00

1 stop14h 53m

£603

SouthamptonChicago

SOU - ORD

SOUORD

Southampton Eastleigh

Thu 29/5

09:20-14:10

1 stop10h 50m

Chicago O'Hare Intl

Thu 5/6

11:05-08:45

2 stops15h 40m

£642

Flights are sorted by cheapest return flights first.

Deals found on 17/4

Showing 1-10 of 48 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, January is the cheapest month in which you can book a flight from Portsmouth to North America (average of £575). Flying from Portsmouth to North America in July is currently the most expensive (average of £811). 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?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Portsmouth to North America as you normally would.

Weekly flight availability from Portsmouth to North America

The most flights from P0R to 0NA are scheduled on a Friday (54 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (53 on average).

Rainfall in North America by month

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.

Temperature in North America by month

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).

Reviews of airlines servicing North America

Delta

8.0

Very Good

7,917 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Delta

8.0

Very Good

7,917 reviews

Delta

8.0

Very Good

7,917 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

KLM

7.8

Good

1,329 reviews

Delta

8.0

Very Good

7,917 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Virgin Atlantic

7.4

Good

642 reviews

Delta

8.0

Very Good

7,917 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Aer Lingus

7.0

Good

1,063 reviews

Delta

8.0

Very Good

7,917 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Related info for your journey

What are the cheapest airlines to fly from Portsmouth to North America one-way?
£439 is the cheapest one-way deal found within the past few days, from Aer Lingus. You may also be able to find cheap deals on KLM and Delta, with prices starting from £1,085 and £1,131, respectively.
What are the most popular routes from Portsmouth to North America?
The most popular route from Portsmouth to North America is Southampton Eastleigh - Houston Hobby. You may also consider Southampton Eastleigh - Seattle/Tacoma Intl or Southampton Eastleigh - Houston George Bush Intcntl.
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 United Airlines (94%), Air Canada (88%) or Austrian Airlines (88%) 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 £1,697 for a flight from Portsmouth to North America. The cheapest flight overall is £378 while the most popular route, (Southampton Eastleigh - Houston Hobby) is currently priced at £878.
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, January is the cheapest month in which you can book a flight from Portsmouth to North America (average of £575). Flying from Portsmouth to North America in July is currently the most expensive (average of £811). 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
Aer Lingus	Cheapest£8	Average£556	FlexibilityNo cancel fee	On-timeN/A	Search Aer Lingus flights
Delta	Cheapest£241	Average£621	FlexibilityNo cancel fee	On-timeN/A	Search Delta flights
PLAY	Cheapest£266	Average£421	FlexibilityNo cancel fee	On-timeN/A	Search PLAY flights
Air Canada	Cheapest£283	Average£532	FlexibilityNo cancel fee	On-time67%	Search Air Canada flights
TAP AIR PORTUGAL	Cheapest£285	Average£461	FlexibilityNo cancel fee	On-timeN/A	Search TAP AIR PORTUGAL flights
Icelandair	Cheapest£297	Average£566	FlexibilityNo cancel fee	On-time76%	Search Icelandair flights
United Airlines	Cheapest£302	Average£580	FlexibilityNo cancel fee	On-time69%	Search United Airlines flights
Scandinavian Airlines	Cheapest£313	Average£549	FlexibilityNo cancel fee	On-time77%	Search Scandinavian Airlines flights
SWISS	Cheapest£318	Average£469	FlexibilityNo cancel fee	On-time79%	Search SWISS flights
Air Transat	Cheapest£338	Average£543	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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Can Cheapflights 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 £239

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 15/5. 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 18 April 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 18 April 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 April 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 18 April 2025.

Weekly flight availability from Portsmouth to North America

Rainfall in North America by month

Plan your trip to North America by taking into account the average rainfall totals by month.

Temperature in North America by month

Plan your trip to North America by taking into account the average temperature totals by month.

Reviews of airlines servicing North America

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.

What are the cheapest airlines to fly from Portsmouth to North America one-way?

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

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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?

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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 April 2025.