C$ 383+ 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 24/8. Fares are subject to change and may not be available on all flights or dates of travel.
— LHR
30 Jul — 6 Aug1
1 adult
1 adult, Economy, 0 bags

Flights to Portsmouth in 2026

Enter your travel dates to find the best prices.

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 30 June 2026.

Tue 18/86:15 p.m.
YYZ
-
SOU
2 stops33h 25m
Multiple Airlines
Wed 26/88:00 p.m.
SOU
-
YYZ
1 stop22h 20m
Multiple Airlines
Deal found 27/6C$ 731
Fri 14/811:00 a.m.
YYZ
-
SOU
2 stops40h 35m
Multiple Airlines
Thu 27/88:00 p.m.
SOU
-
YYZ
1 stop22h 20m
Multiple Airlines
Deal found 27/6C$ 737
Tue 18/89:55 p.m.
YYZ
-
SOU
1 stop32h 10m
Multiple Airlines
Thu 27/88:00 p.m.
SOU
-
YYZ
1 stop22h 20m
Multiple Airlines
Deal found 27/6C$ 744
Fri 14/811:00 a.m.
YYZ
-
SOU
2 stops24h 50m
Multiple Airlines
Wed 26/88:00 p.m.
SOU
-
YYZ
1 stop22h 20m
Multiple Airlines
Deal found 27/6C$ 752
Wed 19/811:55 p.m.
YYZ
-
SOU
1 stop14h 35m
Multiple Airlines
Fri 28/88:00 p.m.
SOU
-
YYZ
2 stops24h 00m
Multiple Airlines
Deal found 27/6C$ 794
Wed 19/811:55 p.m.
YYZ
-
SOU
1 stop14h 35m
Multiple Airlines
Wed 26/88:00 p.m.
SOU
-
YYZ
2 stops24h 00m
Multiple Airlines
Deal found 27/6C$ 799
Wed 12/811:55 p.m.
YYZ
-
SOU
1 stop14h 35m
Multiple Airlines
Wed 19/88:00 p.m.
SOU
-
YYZ
2 stops30h 45m
Multiple Airlines
Deal found 28/6C$ 801
Sun 16/810:15 p.m.
YYZ
-
SOU
2 stops15h 45m
Multiple Airlines
Fri 28/88:00 p.m.
SOU
-
YYZ
1 stop23h 00m
Multiple Airlines
Deal found 27/6C$ 802
Tue 18/89:55 p.m.
YYZ
-
SOU
1 stop32h 10m
Multiple Airlines
Mon 24/88:00 p.m.
SOU
-
YYZ
1 stop22h 20m
Multiple Airlines
Deal found 27/6C$ 805
Mon 17/810:55 p.m.
YYZ
-
SOU
1 stop12h 55m
Multiple Airlines
Fri 28/88:00 p.m.
SOU
-
YYZ
2 stops24h 00m
Multiple Airlines
Deal found 27/6C$ 815
Thu 1/1010:30 a.m.
YTZ
-
SOU
3 stops25h 20m
Multiple Airlines
Mon 12/108:00 p.m.
SOU
-
YTZ
3 stops29h 15m
Multiple Airlines
Deal found 26/6C$ 1,617
Sat 25/71:15 p.m.
YTZ
-
SOU
2 stops14h 20m
Multiple Airlines
Sat 1/89:20 a.m.
SOU
-
YTZ
2 stops14h 57m
Multiple Airlines
Deal found 26/6C$ 2,818

Find flight deals to Portsmouth

Find the latest flights to Portsmouth in 2026, 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 30 June 2026.

Round-trip from

C$ 772

One-way from

C$ 383

Popular in

July

Cheapest in

February

Average price

C$ 1,044
15/9-30/9
  • 15/9-30/9
  • 3 total stops
  • 45h 30m total
  • Toronto to London
Search Deals
24/8
  • 24/8
  • 3 total stops
  • 41h 35m total
  • Toronto to Portsmouth
Search Deals
Highest demand for flights based on searches. 16% potential increase in price (C$ 181 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (C$ 25 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in June 2026
Search Deals

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 30 June 2026.
Use the filters below to find and compare flights to Portsmouth that are best for you.

Fly from

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

TorontoSouthampton

YYZ - SOU

YYZSOU

Toronto Pearson Intl

Thu 1/10

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

1 stop10h 50m

Southampton Eastleigh

Mon 12/10

9:05 a.m.-7:55 p.m.

1 stop15h 50m

C$ 958

TorontoSouthampton

YYZ - SOU

YYZSOU

Toronto Pearson Intl

Thu 17/9

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

1 stop10h 50m

Southampton Eastleigh

Fri 25/9

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

1 stop25h 00m

C$ 1,032

TorontoSouthampton

YYZ - SOU

YYZSOU

Toronto Pearson Intl

Mon 7/9

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

1 stop10h 50m

Southampton Eastleigh

Sat 19/9

9:15 a.m.-11:12 p.m.

2 stops18h 57m

C$ 1,046

TorontoSouthampton

YYZ - SOU

YYZSOU

Toronto Pearson Intl

Thu 20/8

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

1 stop11h 00m

Southampton Eastleigh

Thu 27/8

6:05 p.m.-11:03 p.m.

2 stops33h 58m

C$ 1,099

TorontoSouthampton

YYZ - SOU

YYZSOU

Toronto Pearson Intl

Mon 17/8

12:15 p.m.-8:45 a.m.

2 stops15h 30m

Southampton Eastleigh

Tue 25/8

9:15 a.m.-11:18 p.m.

2 stops19h 03m

C$ 1,208

TorontoSouthampton

YYZ - SOU

YYZSOU

Toronto Pearson Intl

Tue 18/8

12:09 p.m.-8:45 a.m.

2 stops15h 36m

Southampton Eastleigh

Wed 26/8

9:15 a.m.-9:00 p.m.

2 stops16h 45m

C$ 1,227

TorontoSouthampton

YYZ - SOU

YYZSOU

Toronto Pearson Intl

Sun 26/7

9:45 a.m.-5:35 p.m.

2 stops26h 50m

Southampton Eastleigh

Sun 2/8

9:15 a.m.-1:20 p.m.

1 stop33h 05m

C$ 1,381

TorontoSouthampton

YYZ - SOU

YYZSOU

Toronto Pearson Intl

Fri 14/8

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

1 stop11h 00m

Southampton Eastleigh

Tue 25/8

9:15 a.m.-7:55 p.m.

1 stop15h 40m

C$ 1,391

TorontoSouthampton

YYZ - SOU

YYZSOU

Toronto Pearson Intl

Sun 16/8

12:15 p.m.-8:45 a.m.

2 stops15h 30m

Southampton Eastleigh

Thu 27/8

9:15 a.m.-9:00 p.m.

2 stops16h 45m

C$ 1,452

TorontoSouthampton

YYZ - SOU

YYZSOU

Toronto Pearson Intl

Sat 8/8

9:55 p.m.-8:45 a.m.

1 stop29h 50m

Southampton Eastleigh

Thu 13/8

6:05 p.m.-7:55 p.m.

1 stop30h 50m

C$ 1,460

Flights are sorted by cheapest round-trip flights first.

Deals found on 27/6

Showing 1-10 of 23 resultsSorted by cheapest first
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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 12 hours 12 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.

Weekly flight availability to Portsmouth

The most flights from Toronto to Portsmouth are scheduled on a Friday (53 on average). You will have fewer flight options on Wednesday, which is when the least amount of flights are scheduled (36 on average).

What are the most popular airlines that fly to Portsmouth?

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

Aer Lingus
Aer Lingus
From C$ 1,182
KLM
KLM
From C$ 1,065

What are the cheapest airlines that fly to Portsmouth?

The cheapest airlines flying from Toronto to Portsmouth are KLM and Aer Lingus.

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).

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$ 1,771, however they can be found for as little as C$ 124.

  • 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 (10 hours 5 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. Aeropartment & Aerotel, London Heathrow Airport, Terminal 4, Ev Stations & Cheap Parking On Site! is the closest property to London Heathrow (0.0 km away from London Heathrow).

See more FAQs

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