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C$ 446+ 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 29/1. Fares are subject to change and may not be available on all flights or dates of travel.
— LHR
16 ene. — 23 ene.1
1 adult
1 adult, Economy, 0 bags

Flights to Portsmouth in 2025

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 17 diciembre 2025.

mar. 16/129:15 p.m.YYZ - SOU
1 stop14h 45mDelta
mar. 27/15:35 p.m.SOU - YYZ
1 stop27h 05mDelta
Deal found 15/12C$ 1,408
mar. 16/129:15 p.m.YYZ - SOU
1 stop14h 45mDelta
lun. 26/19:25 a.m.SOU - YYZ
2 stops18h 17mDelta
Deal found 15/12C$ 1,446
mar. 16/129:15 p.m.YYZ - SOU
1 stop14h 45mDelta
jue. 29/15:35 p.m.SOU - YYZ
1 stop27h 05mDelta
Deal found 15/12C$ 1,457
mar. 16/129:15 p.m.YYZ - SOU
1 stop14h 45mDelta
vie. 30/19:00 a.m.SOU - YYZ
2 stops18h 51mDelta
Deal found 15/12C$ 1,496
mar. 16/129:15 p.m.YYZ - SOU
1 stop14h 45mDelta
jue. 8/19:00 a.m.SOU - YYZ
2 stops29h 26mDelta
Deal found 14/12C$ 1,501
mar. 16/129:15 p.m.YYZ - SOU
1 stop14h 45mDelta
mié. 7/19:25 a.m.SOU - YYZ
2 stops18h 26mDelta
Deal found 14/12C$ 1,503
mar. 16/129:15 p.m.YYZ - SOU
1 stop14h 45mDelta
mar. 6/15:35 p.m.SOU - YYZ
2 stops44h 51mDelta
Deal found 14/12C$ 1,534
mar. 16/129:15 p.m.YYZ - SOU
1 stop14h 45mDelta
sáb. 10/19:25 a.m.SOU - YYZ
1 stop14h 50mDelta
Deal found 14/12C$ 1,587
lun. 15/126:00 p.m.YYZ - SOU
2 stops18h 00mDelta
mié. 7/19:25 a.m.SOU - YYZ
2 stops18h 26mDelta
Deal found 14/12C$ 1,709
mar. 16/129:15 p.m.YYZ - SOU
1 stop14h 45mDelta
vie. 9/19:00 a.m.SOU - YYZ
1 stop11h 40mDelta
Deal found 14/12C$ 1,712
mar. 16/124:44 p.m.YYZ - SOU
2 stops14h 11mBritish Airways
dom. 25/16:20 p.m.SOU - YYZ
2 stops26h 35mBritish Airways
Deal found 15/12C$ 1,715
lun. 15/122:09 p.m.YYZ - SOU
2 stops21h 51mDelta
mar. 6/15:35 p.m.SOU - YYZ
2 stops44h 51mDelta
Deal found 14/12C$ 1,741

Find flight deals to Portsmouth

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 diciembre 2025.

Round-trip from

C$ 769

One-way from

C$ 446

Popular in

December

Cheapest in

February

Average price

C$ 1,163
Icelandair
  • Icelandair
  • 9/4-16/4
  • 2 total stops
  • 30h 05m total
  • Toronto to London
Search Deals
29/1
  • 29/1
  • 2 total stops
  • 34h 35m total
  • Toronto to Portsmouth
Search Deals
Highest demand for flights based on searches. 6% potential increase in price (C$ 56 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (C$ 30 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
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 17 diciembre 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

dom. 1/2

9:15 p.m.-5:05 p.m.

1 stop14h 50m

Southampton Eastleigh

jue. 5/2

9:00 a.m.-7:15 p.m.

1 stop15h 15m

C$ 943

TorontoSouthampton

YYZ - SOU

YYZSOU

Toronto Pearson Intl

dom. 22/2

5:50 p.m.-8:20 a.m.

1 stop9h 30m

Southampton Eastleigh

jue. 26/2

6:05 p.m.-4:10 p.m.

2 stops27h 05m

C$ 981

TorontoSouthampton

YYZ - SOU

YYZSOU

Toronto Pearson Intl

dom. 11/1

6:00 a.m.-8:50 a.m.

2 stops21h 50m

Southampton Eastleigh

sáb. 17/1

9:25 a.m.-3:40 p.m.

1 stop11h 15m

C$ 981

TorontoSouthampton

YYZ - SOU

YYZSOU

Toronto Pearson Intl

mié. 10/6

11:55 p.m.-7:30 p.m.

1 stop14h 35m

Southampton Eastleigh

sáb. 27/6

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

1 stop11h 40m

C$ 1,307

TorontoSouthampton

YTZ - SOU

YTZSOU

Toronto Island

dom. 7/6

12:30 p.m.-7:30 p.m.

2 stops26h 00m

Southampton Eastleigh

dom. 21/6

9:10 a.m.-2:21 p.m.

2 stops34h 11m

C$ 1,869

TorontoSouthampton

YTZ - SOU

YTZSOU

Toronto Island

vie. 2/1

1:50 p.m.-2:50 p.m.

2 stops20h 00m

Southampton Eastleigh

sáb. 17/1

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

2 stops17h 30m

C$ 4,507

TorontoSouthampton

YYZ - SOU

YYZSOU

Toronto Pearson Intl

jue. 29/1

11:15 p.m.-2:50 p.m.

2 stops34h 35m

C$ 446

TorontoSouthampton

YTZ - SOU

YTZSOU

Toronto Island

jue. 29/1

1:10 p.m.-5:10 p.m.

3 stops23h 00m

C$ 655

TorontoSouthampton

YYZ - SOU

YYZSOU

Toronto Pearson Intl

jue. 29/1

5:25 p.m.-7:40 p.m.

1 stop21h 15m

C$ 776

TorontoSouthampton

YYZ - SOU

YYZSOU

Toronto Pearson Intl

mié. 20/5

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

1 stop10h 50m

C$ 1,172

Flights are sorted by cheapest round-trip flights first.

Deals found on 15/12

Showing 1-10 of 17 results
1
2

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 15 hours 25 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 Wednesday (33 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (27 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$ 1,032
Aer Lingus
Aer Lingus
From C$ 1,021
Delta
Delta
From C$ 849

What are the cheapest airlines that fly to Portsmouth?

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

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 diciembre 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
7.7
Good
1,430 reviews
Check prices

Boarding

7.8

Overall

7.7

Comfort

7.6

Crew

8.4

Entertainment

7.1

Food

7.2

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2025

YYC - AMS

Not literally sitting in the very last row in the middle
KLM
7.7
Good
1,430 reviews
KLM
7.7
Good
1,430 reviews
Check prices

Boarding

7.8

Overall

7.7

Comfort

7.6

Crew

8.4

Entertainment

7.1

Food

7.2

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2025

YYC - AMS

Not literally sitting in the very last row in the middle
Aer Lingus
7.2
Good
1,395 reviews
KLM
7.7
Good
1,430 reviews
Check prices

Boarding

7.8

Overall

7.7

Comfort

7.6

Crew

8.4

Entertainment

7.1

Food

7.2

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2025

YYC - AMS

Not literally sitting in the very last row in the middle

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$ 1,600, however they can be found for as little as C$ 131.

  • 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 50 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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