Cheap flights from Portsmouth to North America

LHR — LAX
25 May — 1 Jun1
Return
1 adult
Economy
From?
To?
Wed 25/5
Wed 1/6

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

Travelers have found it’s best to book a flight 61 days in advance to save up to 49% 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 61 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 £402, or £494 for flights within the next 24 hours.

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

Our data shows that March tends to be the cheapest month to fly to North America from Portsmouth. Users have commonly found prices around £341 for the month, but tickets can be as low as £249. Due to multiple factors, prepare for potentially higher prices in July.

When is the cheapest time to fly from Portsmouth to North America (P0R - 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.

Cheap flights from Portsmouth to North America in May, June 2022

The best prices found for Portsmouth to North America flights in May, June
10 Jun - 27 Jun
SOU

Southampton Eastleigh

SFO

San Francisco

1 stop

26h 25m
SFO

San Francisco

SOU

Southampton Eastleigh

1 stop

15h 25m
£675

Delta

View Deal

Deal found 5/19/22

10 Jun - 27 Jun
SOU

Southampton Eastleigh

SFO

San Francisco

1 stop

26h 25m
SFO

San Francisco

SOU

Southampton Eastleigh

1 stop

15h 25m
£694

Delta

View Deal

Deal found 5/20/22

2 Jun - 9 Jun
SOU

Southampton Eastleigh

MCO

Orlando

2 stops

35h 40m
MCO

Orlando

SOU

Southampton Eastleigh

2 stops

17h 20m
£712

British Airways

View Deal

Deal found 5/19/22

Portsmouth to North America 2022 flight deals

Cheap flights to North America from Portsmouth found for this year
2 Nov - 8 Nov
SOU

Southampton Eastleigh

YYZ

Toronto Pearson Intl

1 stop

11h 15m
YYZ

Toronto Pearson Intl

SOU

Southampton Eastleigh

1 stop

9h 40m
£384

Delta

View Deal

Deal found 5/20/22

2 Nov - 8 Nov
SOU

Southampton Eastleigh

YYZ

Toronto Pearson Intl

2 stops

17h 11m
YYZ

Toronto Pearson Intl

SOU

Southampton Eastleigh

1 stop

9h 40m
£402

Delta

View Deal

Deal found 5/20/22

2 Nov - 8 Nov
SOU

Southampton Eastleigh

YYZ

Toronto Pearson Intl

2 stops

17h 11m
YYZ

Toronto Pearson Intl

SOU

Southampton Eastleigh

2 stops

15h 42m
£421

Delta

View Deal

Deal found 5/20/22

Cheap Delta flights from Portsmouth to North America

2 Nov - 8 Nov
SOU

Southampton Eastleigh

YYZ

Toronto Pearson Intl

1 stop

11h 15m
YYZ

Toronto Pearson Intl

SOU

Southampton Eastleigh

1 stop

9h 40m
£384

Delta

View Deal

Deal found 5/20/22

2 Nov - 8 Nov
SOU

Southampton Eastleigh

YYZ

Toronto Pearson Intl

2 stops

17h 11m
YYZ

Toronto Pearson Intl

SOU

Southampton Eastleigh

1 stop

9h 40m
£402

Delta

View Deal

Deal found 5/20/22

2 Nov - 8 Nov
SOU

Southampton Eastleigh

YYZ

Toronto Pearson Intl

2 stops

17h 11m
YYZ

Toronto Pearson Intl

SOU

Southampton Eastleigh

2 stops

15h 42m
£421

Delta

View Deal

Deal found 5/20/22

Cheap British Airways flights from Portsmouth to North America

31 May - 7 Jun
SOU

Southampton Eastleigh

MCO

Orlando

2 stops

28h 00m
MCO

Orlando

SOU

Southampton Eastleigh

2 stops

17h 05m
£670

British Airways

View Deal

Deal found 5/17/22

2 Jun - 9 Jun
SOU

Southampton Eastleigh

MCO

Orlando

2 stops

35h 40m
MCO

Orlando

SOU

Southampton Eastleigh

2 stops

17h 20m
£712

British Airways

View Deal

Deal found 5/19/22

4 Oct - 11 Oct
SOU

Southampton Eastleigh

CUN

Cancun

2 stops

28h 05m
CUN

Cancun

SOU

Southampton Eastleigh

2 stops

30h 30m
£764

British Airways

View Deal

Deal found 5/18/22

One-way flights to North America from Portsmouth

The cheapest one-way flights from Portsmouth to North America
20 Jun
SOU

Southampton Eastleigh

BWI

Baltimore/Washington

2 stops

34h 20m
£451

Multiple Airlines

View Deal

Deal found 5/19/22

20 Jun
SOU

Southampton Eastleigh

BWI

Baltimore/Washington

3 stops

26h 55m
£503

Multiple Airlines

View Deal

Deal found 5/19/22

10 Jun
SOU

Southampton Eastleigh

SFO

San Francisco

1 stop

26h 25m
£510

KLM

View Deal

Deal found 5/19/22

Related info for your journey

Useful info, stats and facts about Portsmouth to North America flights.

Which airlines flying from Portsmouth to North America have flexible cancellations due to COVID-19?

Virgin Atlantic, Air France, and KLM are some of the carriers that may have flexible cancellation policies. You can use our site to filter for other airlines that may also have this kind of flexibility.

Can I find flights from Portsmouth to North America for under £400 on Cheapflights?

Yes, there are multiple flights from Portsmouth to North America for under £400. The cheapest flight booked recently is on Delta for just £384, but on average you can expect to pay £779.

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

£510 is the cheapest one-way deal found within the past few days, from KLM. You may also be able to find cheap deals on Delta and Air France, with prices starting from £511 and £590, respectively.

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

The most popular route from Portsmouth to North America is Southampton Eastleigh - San Francisco. You may also consider Southampton Eastleigh - Honolulu or Southampton Eastleigh - Las Vegas Harry Reid Intl.

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.

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 (90%), Air New Zealand (90%) or SWISS (90%) 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 £2,137 for a flight from Portsmouth to North America. The cheapest flight overall is £394 while the most popular route, (Southampton Eastleigh - San Francisco) is currently priced at £675.

Top 5 airlines flying from Portsmouth to North America

The chart below displays the airlines Cheapflights users travelling from Portsmouth to North America choose most often. Cheapest and average prices are based on aggregated data from the past 12 months.
AirlineCheapestAverageFlexibilityOn-timeCOVID-19 safety
WOW airCheapest£255Average£382FlexibilityNo cancel feeOn-timeN/ACOVID-19 safety
Search WOW air flights
DeltaCheapest£260Average£577FlexibilityNo cancel feeOn-timeN/ACOVID-19 safety
Search Delta flights
Austrian AirlinesCheapest£284Average£547FlexibilityNo cancel feeOn-time78%COVID-19 safety
Search Austrian Airlines flights
United AirlinesCheapest£286Average£504FlexibilityNo cancel feeOn-time69%COVID-19 safety
Search United Airlines flights
SWISSCheapest£286Average£506FlexibilityNo cancel feeOn-time79%COVID-19 safety
Search SWISS flights

Hourly flight availability from Portsmouth to North America

See what time of day planes typically take off from Portsmouth to North America
1%of flight departuresEarly morningMidnight to 6 am
48%of flight departuresMorning6 am to noon
44%of flight departuresAfternoonNoon to 6 pm
7%of flight departuresEvening6 pm to midnight
Midnight
6 AM
Noon
6 PM