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C$ 627+ 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 19/10. Fares are subject to change and may not be available on all flights or dates of travel.
— LHR
17 Oct — 24 Oct1
1 adult
1 adult, Economy

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 17 September 2025.

Round-trip from

C$ 715

One-way from

C$ 627

Popular in

December

Cheapest in

February

Average price

C$ 852
Icelandair
  • Icelandair
  • 16/10-3/11
  • 2 total stops
  • 58h 35m total
  • Toronto to London
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Aer Lingus
  • Aer Lingus
  • 19/10
  • 1 total stop
  • 10h 50m total
  • Toronto to Portsmouth
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Highest demand for flights based on searches. 4% potential increase in price (C$ 50 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease (C$ 38 potential savings vs. average RT price).
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Average for round-trip flights in September 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 17 September 2025.

Mon 10/115:25 p.m.YYZ - SOU
1 stop17h 10mAer Lingus
Sun 30/118:10 p.m.SOU - YYZ
1 stop24h 45mAer Lingus
Deal found 16/9C$ 1,083
Wed 8/1010:10 p.m.YYZ - SOU
1 stop29h 35mDelta
Tue 21/105:35 p.m.SOU - YYZ
1 stop31h 20mDelta
Deal found 16/9C$ 1,112
Mon 13/104:45 p.m.YYZ - SOU
1 stop11h 00mDelta
Wed 22/109:20 a.m.SOU - YYZ
1 stop15h 35mDelta
Deal found 16/9C$ 1,117
Mon 10/115:25 p.m.YYZ - SOU
1 stop13h 30mBritish Airways
Mon 17/119:30 a.m.SOU - YYZ
1 stop11h 25mBritish Airways
Deal found 16/9C$ 1,135
Mon 10/115:25 p.m.YYZ - SOU
1 stop13h 30mBritish Airways
Sun 16/118:10 p.m.SOU - YYZ
1 stop24h 45mBritish Airways
Deal found 16/9C$ 1,145
Mon 13/104:45 p.m.YYZ - SOU
1 stop11h 00mDelta
Mon 20/105:35 p.m.SOU - YYZ
2 stops34h 20mDelta
Deal found 14/9C$ 1,149
Wed 8/103:35 p.m.YYZ - SOU
2 stops20h 25mDelta
Wed 15/109:20 a.m.SOU - YYZ
1 stop15h 35mDelta
Deal found 16/9C$ 1,150
Thu 6/119:15 p.m.YYZ - SOU
1 stop30h 35mDelta
Mon 17/116:05 p.m.SOU - YYZ
1 stop30h 10mDelta
Deal found 16/9C$ 1,161
Mon 10/1110:05 p.m.YYZ - SOU
2 stops16h 35mMultiple Airlines
Sun 30/118:10 p.m.SOU - YYZ
1 stop24h 45mMultiple Airlines
Deal found 16/9C$ 1,165
Mon 13/1010:10 p.m.YYZ - SOU
1 stop29h 35mDelta
Fri 24/109:20 a.m.SOU - YYZ
1 stop15h 35mDelta
Deal found 16/9C$ 1,167
Wed 5/115:25 p.m.YYZ - SOU
1 stop10h 20mAer Lingus
Wed 19/118:10 p.m.SOU - YYZ
1 stop24h 45mAer Lingus
Deal found 17/9C$ 1,173
Sat 1/118:00 a.m.YTZ - SOU
3 stops31h 30mMultiple Airlines
Sat 8/119:30 a.m.SOU - YTZ
2 stops16h 45mMultiple Airlines
Deal found 17/9C$ 1,942

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 17 September 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

Wed 8/10

10:10 p.m.-8:45 a.m.

1 stop29h 35m

Southampton Eastleigh

Tue 21/10

5:35 p.m.-7:55 p.m.

1 stop31h 20m

C$ 1,112

TorontoSouthampton

YYZ - SOU

YYZSOU

Toronto Pearson Intl

Tue 14/10

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

1 stop11h 00m

Southampton Eastleigh

Wed 22/10

9:20 a.m.-7:55 p.m.

1 stop15h 35m

C$ 1,117

TorontoSouthampton

YYZ - SOU

YYZSOU

Toronto Pearson Intl

Tue 14/10

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

1 stop11h 00m

Southampton Eastleigh

Mon 27/10

6:05 p.m.-8:15 p.m.

1 stop30h 10m

C$ 1,117

TorontoSouthampton

YYZ - SOU

YYZSOU

Toronto Pearson Intl

Mon 13/10

10:10 p.m.-8:45 a.m.

1 stop29h 35m

Southampton Eastleigh

Mon 27/10

6:05 p.m.-4:40 p.m.

1 stop26h 35m

C$ 1,117

TorontoSouthampton

YYZ - SOU

YYZSOU

Toronto Pearson Intl

Wed 15/10

10:10 p.m.-8:45 a.m.

1 stop29h 35m

Southampton Eastleigh

Mon 27/10

6:05 p.m.-4:40 p.m.

1 stop26h 35m

C$ 1,117

TorontoSouthampton

YYZ - SOU

YYZSOU

Toronto Pearson Intl

Mon 10/11

5:25 p.m.-11:55 a.m.

1 stop13h 30m

Southampton Eastleigh

Mon 17/11

9:30 a.m.-3:55 p.m.

1 stop11h 25m

C$ 1,135

TorontoSouthampton

YYZ - SOU

YYZSOU

Toronto Pearson Intl

Mon 10/11

5:25 p.m.-11:55 a.m.

1 stop13h 30m

Southampton Eastleigh

Tue 18/11

8:10 p.m.-3:55 p.m.

1 stop24h 45m

C$ 1,145

TorontoSouthampton

YYZ - SOU

YYZSOU

Toronto Pearson Intl

Mon 10/11

5:25 p.m.-11:55 a.m.

1 stop13h 30m

Southampton Eastleigh

Sun 16/11

8:10 p.m.-3:55 p.m.

1 stop24h 45m

C$ 1,145

TorontoSouthampton

YYZ - SOU

YYZSOU

Toronto Pearson Intl

Wed 12/11

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

1 stop10h 20m

Southampton Eastleigh

Sun 16/11

8:10 p.m.-3:55 p.m.

1 stop24h 45m

C$ 1,145

TorontoSouthampton

YYZ - SOU

YYZSOU

Toronto Pearson Intl

Wed 8/10

3:35 p.m.-5:00 p.m.

2 stops20h 25m

Southampton Eastleigh

Wed 15/10

9:20 a.m.-7:55 p.m.

1 stop15h 35m

C$ 1,150

Flights are sorted by cheapest round-trip flights first.

Deals found on 15/9

Showing 1-10 of 19 results
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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 22 hours 52 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 Tuesday (46 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (31 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$ 665
Aer Lingus
Aer Lingus
From C$ 523
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 17 September 2025.
See what other customers who have flown with KLM and Aer Lingus to the United Kingdom have to say. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
KLM
7.8
Good
1,386 reviews
Check prices

Overall

7.8

Boarding

7.8

Food

7.3

Comfort

7.7

Crew

8.4

Entertainment

7.2

Reviews

1 / 20
4.0
Okay

Mark,Sep 2025

AMS - BHX

Crew and snacks were good, boarding wasn't great as busses were used rather than boarding tunnels. Also endured a one hour delay.
KLM
7.8
Good
1,386 reviews
KLM
7.8
Good
1,386 reviews
Check prices

Overall

7.8

Boarding

7.8

Food

7.3

Comfort

7.7

Crew

8.4

Entertainment

7.2

Reviews

1 / 20
4.0
Okay

Mark,Sep 2025

AMS - BHX

Crew and snacks were good, boarding wasn't great as busses were used rather than boarding tunnels. Also endured a one hour delay.
Aer Lingus
7.2
Good
1,277 reviews
KLM
7.8
Good
1,386 reviews
Check prices

Overall

7.8

Boarding

7.8

Food

7.3

Comfort

7.7

Crew

8.4

Entertainment

7.2

Reviews

1 / 20
4.0
Okay

Mark,Sep 2025

AMS - BHX

Crew and snacks were good, boarding wasn't great as busses were used rather than boarding tunnels. Also endured a one hour delay.

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, WestJet 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$ 1,059, however they can be found for as little as C$ 105.

  • 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 55 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 T2 & T3 is the closest property to London Heathrow (0.0 km away from London Heathrow).

See more FAQs

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