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C$ 682+ Cheap flights to Portsmouth

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 13/11. Fares are subject to change and may not be available on all flights or dates of travel.
— LHR
17 Jun — 24 Jun1
1 adult

Flights to Portsmouth in 2025

Find the latest flights to Portsmouth in 2025, with up-to-date prices and availability. In the last 7 days, Cheapflights users made a total of 629,999 searches and data was last updated on 12 June 2025.

Round-trip from

C$ 695

One-way from

C$ 682

Popular in

December

Cheapest in

February

Average price

C$ 912
Air Transat
  • Air Transat
  • 6/9-13/9
  • 2 total stops
  • 27h 05m total
  • Toronto to London
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Aer Lingus
  • Aer Lingus
  • 13/11
  • 1 total stop
  • 10h 20m total
  • Toronto to Portsmouth
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Highest demand for flights based on searches. 3% potential increase in price (C$ 40 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease (C$ 32 potential savings vs. average RT price).
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Average for round-trip flights in June 2025
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Find flight deals to Portsmouth

Cheapest flights to Portsmouth
Explore the most affordable flight options available to Portsmouth. Find the lowest fares based on data from user searches, with prices last updated on 12 June 2025.

Thu 2/104:45 p.m.YYZ - SOU
1 stop11h 00mDelta
Mon 6/105:35 p.m.SOU - YYZ
1 stop24h 45mDelta
Deal found 11/6C$ 808
Thu 11/97:15 p.m.YYZ - SOU
1 stop31h 40mMultiple Airlines
Sat 27/98:25 a.m.SOU - YYZ
1 stop31h 35mMultiple Airlines
Deal found 10/6C$ 812
Mon 13/1010:10 p.m.YYZ - SOU
1 stop13h 50mKLM
Thu 16/105:35 p.m.SOU - YYZ
1 stop24h 45mKLM
Deal found 11/6C$ 953
Sat 4/105:20 p.m.YYZ - SOU
1 stop10h 15mBritish Airways
Wed 8/109:10 a.m.SOU - YYZ
1 stop11h 40mBritish Airways
Deal found 11/6C$ 1,276

Cheapflights Fare Finder

Locate flights to Portsmouth that fit your budget, with regularly updated fares and availability. In the last 7 days, Cheapflights users made a total of 629,999 searches and data was last updated on 12 June 2025.
Use the filters below to find and compare flights to Portsmouth that are best for you.

Fly from

Toronto

Route

Depart

Return

Price

TorontoSouthampton

YYZ - SOU

YYZSOU

Toronto Pearson Intl

Thu 2/10

4:45 p.m.-8:45 a.m.

1 stop11h 00m

Southampton Eastleigh

Mon 6/10

5:35 p.m.-1:20 p.m.

1 stop24h 45m

C$ 808

TorontoSouthampton

YYZ - SOU

YYZSOU

Toronto Pearson Intl

Thu 11/9

7:15 p.m.-7:55 a.m.

1 stop31h 40m

Southampton Eastleigh

Sat 27/9

8:25 a.m.-11:00 a.m.

1 stop31h 35m

C$ 812

TorontoSouthampton

YYZ - SOU

YYZSOU

Toronto Pearson Intl

Mon 13/10

10:10 p.m.-5:00 p.m.

1 stop13h 50m

Southampton Eastleigh

Thu 16/10

5:35 p.m.-1:20 p.m.

1 stop24h 45m

C$ 953

TorontoSouthampton

YYZ - SOU

YYZSOU

Toronto Pearson Intl

Sat 4/10

5:20 p.m.-8:35 a.m.

1 stop10h 15m

Southampton Eastleigh

Wed 8/10

9:10 a.m.-3:50 p.m.

1 stop11h 40m

C$ 1,276

TorontoSouthampton

YYZ - SOU

YYZSOU

Toronto Pearson Intl

Thu 13/11

5:25 p.m.-8:45 a.m.

1 stop10h 20m

C$ 682

TorontoSouthampton

YTZ - SOU

YTZSOU

Toronto Island

Fri 25/7

5:25 p.m.-3:45 p.m.

2 stops17h 20m

C$ 699

TorontoSouthampton

YYZ - SOU

YYZSOU

Toronto Pearson Intl

Fri 25/7

10:15 p.m.-1:20 p.m.

1 stop10h 05m

C$ 711

TorontoSouthampton

YYZ - SOU

YYZSOU

Toronto Pearson Intl

Sun 20/7

5:20 p.m.-9:10 a.m.

1 stop10h 50m

C$ 1,572

TorontoSouthampton

YYZ - SOU

YYZSOU

Toronto Pearson Intl

Tue 9/9

4:45 p.m.-8:45 a.m.

1 stop11h 00m

C$ 6,448

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/6

Best time to book a flight to Portsmouth

Have a flexible travel schedule? Discover the best time to fly to Portsmouth with our price prediction graph.
Estimated round-trip 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 to Portsmouth

How long is the flight to Portsmouth?

On average, a flight from Toronto to Portsmouth takes 16 hours 40 minutes. Flights to Portsmouth from other popular cities in Canada will vary in length. Below are a few examples of popular routes and their flight times.

When is the cheapest time to fly to Portsmouth?

Use this chart to determine the cheapest time to fly round-trip from Toronto to Portsmouth. Price data was last updated on 16 December 2024.

Users looking for the lowest fares to Portsmouth should consider flying on Tuesday afternoons, when prices are typically cheapest. Budget-minded travellers will want to avoid Friday at noon, when prices are usually at their highest.

Weekly flight availability to Portsmouth

The most flights from Toronto to Portsmouth are scheduled on a Thursday (45 on average). You will have fewer flight options on Sunday, which is when the least amount of flights are scheduled (20 on average).

What are the most popular airlines that fly to Portsmouth?

The most popular airlines flying from Toronto to Portsmouth are KLM, Aer Lingus and Delta.

KLM
KLM
From C$ 675
Aer Lingus
Aer Lingus
From C$ 529
Delta
Delta
From C$ 617
Virgin Atlantic
Virgin Atlantic
From C$ 652

What are the cheapest airlines that fly to Portsmouth?

The cheapest airlines flying from Toronto to Portsmouth are Aer Lingus, Delta and Virgin Atlantic.

Rainfall in Portsmouth by month

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

In terms of precipitation, rainfall in Portsmouth ranges from 25.0 - 76.0 mm per month. December is typically the wettest month, when rainfall can reach 76.0 mm. July is typically the driest time to visit Portsmouth when rainfall is around 25.0 mm.

Temperature in Portsmouth by month

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

If weather is an important factor for your trip to Portsmouth, 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 18.0 C. Travellers hoping to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 4.0 C).

Reviews of airlines servicing Portsmouth

Get insights into the airlines that provide service to Portsmouth. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Portsmouth. Reviews last updated 12 June 2025.
To help decide which airline to fly to Portsmouth, see what other customers have to say about Delta, KLM and Aer Lingus. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,946 reviews
Check prices

Entertainment

7.9

Overall

8.0

Boarding

8.2

Food

7.3

Crew

8.5

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Delta
8.0
Very good
7,946 reviews
Delta
8.0
Very good
7,946 reviews
Check prices

Entertainment

7.9

Overall

8.0

Boarding

8.2

Food

7.3

Crew

8.5

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
KLM
7.8
Good
1,358 reviews
Delta
8.0
Very good
7,946 reviews
Check prices

Entertainment

7.9

Overall

8.0

Boarding

8.2

Food

7.3

Crew

8.5

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Aer Lingus
7.1
Good
1,117 reviews
Delta
8.0
Very good
7,946 reviews
Check prices

Entertainment

7.9

Overall

8.0

Boarding

8.2

Food

7.3

Crew

8.5

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
British Airways
6.6
Okay
7,008 reviews
Delta
8.0
Very good
7,946 reviews
Check prices

Entertainment

7.9

Overall

8.0

Boarding

8.2

Food

7.3

Crew

8.5

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

FAQs about flying to Portsmouth

  • Can I find cheaper flights to Portsmouth if I am willing to have layovers?

    Yes, flights with layovers are often cheaper than direct flights. Keep an eye out for flight deals to Portsmouth on Cheapflights that require 1 or 2 stops for potential cost savings.

  • What is the best airline to fly to Portsmouth?

    Based on reviews from Cheapflights users, PLAY is rated the highest out of the airlines that fly to Portsmouth.

  • How much is a round-trip flight to Portsmouth?

    A round-trip flight to Portsmouth will typically cost around C$ 250, however they can be found for as little as C$ 120.

  • Where does the fastest flight to Portsmouth depart from?

    For those looking to save time traveling to Portsmouth, Toronto offers the quickest one-way flight (9 hours 45 minutes).

  • Does London Heathrow have rental cars?

    Yes. Those touching down at London Heathrow can take advantage of the rental car services offered upon their arrival.

  • Are there hotels close to London Heathrow?

    Yes. London Heathrow has hotels nearby for those requiring accommodations. Aerotel London Heathrow is the closest property to London Heathrow (0.0 km away from London Heathrow).

See more FAQs

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