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Cheap flights from London, Ontario to Portugal from C$ 652

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from London, Ontario to Portugal departing on 3/6. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult

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Find the cheapest flights from London, Ontario to Portugal

Cheap round-trip flights

Enter your travel dates to find the best prices.
Air Canada Logo
5:10 a.m. - 9:45 a.m.
YXU
-
OPO
23h 35m
2 stops
Air Canada Logo
11:50 a.m. - 8:53 a.m.
OPO
-
YXU
26h 03m
2 stops
C$ 1,086Air Canada
Thu, 28 May - Thu, 4 Jun
United Airlines Logo
6:10 p.m. - 8:40 a.m.
YXU
-
PDL
34h 30m
2 stops
United Airlines Logo
11:00 a.m. - 11:43 a.m.
PDL
-
YXU
28h 43m
2 stops
C$ 1,245United Airlines
Mon, 8 Jun - Wed, 10 Jun
United Airlines Logo
6:10 p.m. - 8:40 a.m.
YXU
-
PDL
34h 30m
2 stops
United Airlines Logo
11:00 a.m. - 8:53 a.m.
PDL
-
YXU
25h 53m
2 stops
C$ 1,247United Airlines
Mon, 8 Jun - Wed, 10 Jun
United Airlines Logo
3:30 p.m. - 10:30 a.m.
YXU
-
LIS
14h 00m
2 stops
United Airlines Logo
10:25 a.m. - 9:38 p.m.
LIS
-
YXU
16h 13m
2 stops
C$ 1,366United Airlines
Mon, 8 Jun - Fri, 12 Jun
Air Canada Logo
3:30 p.m. - 11:00 a.m.
YXU
-
LIS
14h 30m
1 stop
Air Canada Logo
12:20 p.m. - 9:38 p.m.
LIS
-
YXU
14h 18m
2 stops
C$ 1,367Air Canada
Mon, 8 Jun - Fri, 12 Jun
Air Canada Logo
12:20 p.m. - 11:00 a.m.
YXU
-
LIS
17h 40m
1 stop
Air Canada Logo
12:20 p.m. - 9:38 p.m.
LIS
-
YXU
14h 18m
2 stops
C$ 1,369Air Canada
Mon, 8 Jun - Fri, 12 Jun
Air Canada Logo
12:20 p.m. - 9:20 a.m.
YXU
-
LIS
16h 00m
2 stops
Air Canada Logo
10:25 a.m. - 9:38 p.m.
LIS
-
YXU
16h 13m
2 stops
C$ 1,373Air Canada
Mon, 8 Jun - Fri, 12 Jun
Air Canada Logo
6:10 p.m. - 11:05 a.m.
YXU
-
LIS
11h 55m
1 stop
Air Canada Logo
10:25 a.m. - 8:53 a.m.
LIS
-
YXU
27h 28m
2 stops
C$ 1,459Air Canada
Wed, 13 May - Wed, 20 May
United Airlines Logo
12:20 p.m. - 8:40 a.m.
YXU
-
PDL
16h 20m
2 stops
United Airlines Logo
11:00 a.m. - 11:43 a.m.
PDL
-
YXU
28h 43m
2 stops
C$ 1,507United Airlines
Sun, 10 May - Sun, 17 May
Multiple Airlines Logo
6:10 p.m. - 2:45 p.m.
YXU
-
LIS
15h 35m
2 stops
Multiple Airlines Logo
11:25 a.m. - 9:38 p.m.
LIS
-
YXU
15h 13m
2 stops
C$ 1,516Multiple Airlines
Wed, 13 May - Wed, 20 May

Air Canada flights from London, Ontario to Portugal

Our best Air Canada deals on London, Ontario to Portugal flight tickets
Air Canada
28 May
YXU5:10 a.m.London
23h 35m
2 stops
OPO9:45 a.m.Porto
4 Jun
OPO11:50 a.m.Porto
26h 03m
2 stops
YXU8:53 a.m.London
C$ 1,086
Air Canada
8 Jun
YXU3:30 p.m.London
14h 30m
1 stop
LIS11:00 a.m.Lisbon Humberto Delgado
12 Jun
LIS12:20 p.m.Lisbon Humberto Delgado
14h 18m
2 stops
YXU9:38 p.m.London
C$ 1,367
Air Canada
8 Jun
YXU12:20 p.m.London
17h 40m
1 stop
LIS11:00 a.m.Lisbon Humberto Delgado
12 Jun
LIS12:20 p.m.Lisbon Humberto Delgado
14h 18m
2 stops
YXU9:38 p.m.London
C$ 1,369

United Airlines flights from London, Ontario to Portugal

Our best United Airlines deals on London, Ontario to Portugal flight tickets
United Airlines
8 Jun
YXU6:10 p.m.London
34h 30m
2 stops
PDL8:40 a.m.Ponta Delgada Nordela
10 Jun
PDL11:00 a.m.Ponta Delgada Nordela
28h 43m
2 stops
YXU11:43 a.m.London
C$ 1,245
United Airlines
8 Jun
YXU6:10 p.m.London
34h 30m
2 stops
PDL8:40 a.m.Ponta Delgada Nordela
10 Jun
PDL11:00 a.m.Ponta Delgada Nordela
25h 53m
2 stops
YXU8:53 a.m.London
C$ 1,247
United Airlines
8 Jun
YXU3:30 p.m.London
14h 00m
2 stops
LIS10:30 a.m.Lisbon Humberto Delgado
12 Jun
LIS10:25 a.m.Lisbon Humberto Delgado
16h 13m
2 stops
YXU9:38 p.m.London
C$ 1,366

momondo Fare Finder

 
Customize your flight search to find flights from London, Ontario to Portugal that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 96,600 searches. Data last updated 17 April 2026.
Use the filters below to find and compare flights from London, Ontario to Portugal that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

LondonPorto

YXU - OPO

YXUOPO

London

Thu 28/5

5:10 a.m.-9:45 a.m.

2 stops23h 35m

Porto

Thu 4/6

11:50 a.m.-8:53 a.m.

2 stops26h 03m

C$ 1,086

LondonPonta Delgada

YXU - PDL

YXUPDL

London

Mon 8/6

6:10 p.m.-8:40 a.m.

2 stops34h 30m

Ponta Delgada Nordela

Wed 10/6

11:00 a.m.-11:43 a.m.

2 stops28h 43m

C$ 1,245

LondonPonta Delgada

YXU - PDL

YXUPDL

London

Mon 8/6

6:10 p.m.-8:40 a.m.

2 stops34h 30m

Ponta Delgada Nordela

Wed 10/6

11:00 a.m.-8:53 a.m.

2 stops25h 53m

C$ 1,247

LondonLisbon

YXU - LIS

YXULIS

London

Mon 8/6

3:30 p.m.-10:30 a.m.

2 stops14h 00m

Lisbon Humberto Delgado

Fri 12/6

10:25 a.m.-9:38 p.m.

2 stops16h 13m

C$ 1,366
Quickest round-trip

LondonLisbon

YXU - LIS

YXULIS

London

Mon 8/6

3:30 p.m.-11:00 a.m.

1 stop14h 30m

Lisbon Humberto Delgado

Fri 12/6

12:20 p.m.-9:38 p.m.

2 stops14h 18m

C$ 1,367

LondonLisbon

YXU - LIS

YXULIS

London

Mon 8/6

12:20 p.m.-11:00 a.m.

1 stop17h 40m

Lisbon Humberto Delgado

Fri 12/6

12:20 p.m.-9:38 p.m.

2 stops14h 18m

C$ 1,369

LondonLisbon

YXU - LIS

YXULIS

London

Mon 8/6

12:20 p.m.-9:20 a.m.

2 stops16h 00m

Lisbon Humberto Delgado

Fri 12/6

10:25 a.m.-9:38 p.m.

2 stops16h 13m

C$ 1,373

LondonLisbon

YXU - LIS

YXULIS

London

Wed 13/5

6:10 p.m.-11:05 a.m.

1 stop11h 55m

Lisbon Humberto Delgado

Wed 20/5

10:25 a.m.-8:53 a.m.

2 stops27h 28m

C$ 1,459

LondonPonta Delgada

YXU - PDL

YXUPDL

London

Sun 10/5

12:20 p.m.-8:40 a.m.

2 stops16h 20m

Ponta Delgada Nordela

Sun 17/5

11:00 a.m.-11:43 a.m.

2 stops28h 43m

C$ 1,507

LondonLisbon

YXU - LIS

YXULIS

London

Wed 13/5

6:10 p.m.-2:45 p.m.

2 stops15h 35m

Lisbon Humberto Delgado

Wed 20/5

11:25 a.m.-9:38 p.m.

2 stops15h 13m

C$ 1,516

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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How to get the cheapest flight ticket from London, Ontario to Portugal

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Can stopping save me money on London, Ontario to Portugal flights?

You could potentially save up to 46% on your flight if you consider stops on a London, Ontario to Portugal flight.

Cheap London, Ontario to Portugal flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from London, Ontario to Portugal

Fastest flight time

14h 00m

Direct flights

None
The fastest flight from London, Ontario to Portugal takes 14h 00m
There are no direct flights from London, Ontario to Portugal. There are no popular flight routes from London, Ontario to Portugal.
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Frequently asked questions about flying from London, Ontario to Portugal

  • When did momondo last update prices for flights from London Airport to Portugal?

    Prices for flights from London Airport to Portugal refresh daily.

  • How old do you have to be to fly from London Airport to Portugal?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from London Airport to Portugal.

  • What documentation or ID do you need to fly to Portugal?

    The necessary travel and health documents for your Portugal trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Why use momondo?

Why should I use momondo to find a flight deal from London to Portugal?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Portugal from London.

Can I find flights from London to Portugal with flexible booking policies on momondo?

Flights from London to Portugal with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from London to Portugal?

Once all potential London to Portugal flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from London to Portugal right now. Can momondo alert me if prices change?

Yes. momondo can track prices for London to Portugal flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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