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C$ 516+ 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 7/5. Fares are subject to change and may not be available on all flights or dates of travel.
— LHR
30 Mar — 6 Apr1
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 25 March 2025.

Round-trip from

C$ 670

One-way from

C$ 516

Popular in

December

Cheapest in

February

Average price

C$ 794
Icelandair
  • Icelandair
  • 5/5-13/5
  • 2 total stops
  • 26h 40m total
  • Toronto to London
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7/5
  • 7/5
  • 3 total stops
  • 45h 55m total
  • Toronto to Portsmouth
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Highest demand for flights based on searches. 1% potential increase in price (C$ 25 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease (C$ 34 potential savings vs. average RT price).
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Average for round-trip flights in March 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 25 March 2025.

Sun 11/54:35 p.m.YYZ - SOU
1 stop11h 10mDelta
Wed 21/59:20 a.m.SOU - YYZ
1 stop15h 35mDelta
Deal found 24/3C$ 897
Tue 24/67:30 p.m.YYZ - SOU
2 stops19h 00mMultiple Airlines
Mon 7/78:00 p.m.SOU - YYZ
2 stops26h 10mMultiple Airlines
Deal found 24/3C$ 1,004
Mon 21/44:45 p.m.YYZ - SOU
1 stop11h 05mKLM
Mon 28/49:20 a.m.SOU - YYZ
1 stop15h 35mKLM
Deal found 23/3C$ 1,159
Fri 9/58:50 a.m.YTZ - SOU
3 stops27h 40mMultiple Airlines
Fri 16/59:20 a.m.SOU - YTZ
3 stops34h 30mMultiple Airlines
Deal found 25/3C$ 1,666
Wed 2/410:00 p.m.YYZ - SOU
2 stops13h 00mBritish Airways
Tue 15/49:10 a.m.SOU - YYZ
1 stop11h 30mBritish Airways
Deal found 24/3C$ 2,630

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 25 March 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

Sun 11/5

4:35 p.m.-8:45 a.m.

1 stop11h 10m

Southampton Eastleigh

Sun 18/5

6:25 p.m.-7:55 p.m.

1 stop30h 30m

C$ 897

TorontoSouthampton

YYZ - SOU

YYZSOU

Toronto Pearson Intl

Tue 24/6

7:30 p.m.-7:30 p.m.

2 stops19h 00m

Southampton Eastleigh

Mon 7/7

8:00 p.m.-5:10 p.m.

2 stops26h 10m

C$ 1,004

TorontoSouthampton

YYZ - SOU

YYZSOU

Toronto Pearson Intl

Mon 21/4

4:45 p.m.-8:50 a.m.

1 stop11h 05m

Southampton Eastleigh

Mon 28/4

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

1 stop15h 35m

C$ 1,159

TorontoSouthampton

YTZ - SOU

YTZSOU

Toronto Island

Fri 9/5

8:50 a.m.-5:30 p.m.

3 stops27h 40m

Southampton Eastleigh

Fri 16/5

9:20 a.m.-2:50 p.m.

3 stops34h 30m

C$ 1,666

TorontoSouthampton

YYZ - SOU

YYZSOU

Toronto Pearson Intl

Mon 7/4

6:05 p.m.-12:00 p.m.

2 stops12h 55m

Southampton Eastleigh

Mon 14/4

9:00 a.m.-3:40 p.m.

1 stop11h 40m

C$ 2,630

TorontoSouthampton

YYZ - SOU

YYZSOU

Toronto Pearson Intl

Wed 7/5

4:00 p.m.-6:55 p.m.

3 stops45h 55m

C$ 516

TorontoSouthampton

YTZ - SOU

YTZSOU

Toronto Island

Tue 6/5

6:55 p.m.-8:40 a.m.

3 stops32h 45m

C$ 536

TorontoSouthampton

YYZ - SOU

YYZSOU

Toronto Pearson Intl

Wed 9/4

4:35 p.m.-8:45 a.m.

1 stop11h 10m

C$ 1,122

Flights are sorted by cheapest round-trip flights first.

Deals found on 24/3

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 14 hours 42 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 Friday (33 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (21 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 25 March 2025.
Delta
8.0
Very good
7,890 reviews
Check prices

Comfort

8.0

Boarding

8.2

Crew

8.5

Overall

8.0

Food

7.3

Entertainment

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
7,890 reviews
Delta
8.0
Very good
7,890 reviews
Check prices

Comfort

8.0

Boarding

8.2

Crew

8.5

Overall

8.0

Food

7.3

Entertainment

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
1,318 reviews
Delta
8.0
Very good
7,890 reviews
Check prices

Comfort

8.0

Boarding

8.2

Crew

8.5

Overall

8.0

Food

7.3

Entertainment

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
6,713 reviews
Delta
8.0
Very good
7,890 reviews
Check prices

Comfort

8.0

Boarding

8.2

Crew

8.5

Overall

8.0

Food

7.3

Entertainment

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, 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$ 671, however they can be found for as little as C$ 82.

  • 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 30 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, Terminal 2 & Terminal 3 is the closest property to London Heathrow (0.0 km away from London Heathrow).

See more FAQs

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