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Cheap flights from London, ON to Portugal from C$ 785

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 28/4. Fares are subject to change and may not be available on all flights or dates of travel.
YXU — LIS
17 huhti — 24 huhti1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from London to Portugal

Enter your travel dates to find the best prices.

Cheapest flights from London to Portugal
Explore the most affordable flight options available from London to Portugal. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 18 maaliskuu 2026.

ke 15/45:40 p.m.
YXU
-
LIS
2 stops39h 00m
Air Canada
ke 22/411:25 a.m.
LIS
-
YXU
2 stops34h 39m
Air Canada
Deal found 16/3C$ 1,006
ma 12/105:40 a.m.
YXU
-
OPO
2 stops20h 20m
Air Canada
to 15/108:40 a.m.
OPO
-
YXU
2 stops38h 05m
Air Canada
Deal found 17/3C$ 1,121
ma 27/45:40 p.m.
YXU
-
OPO
2 stops17h 00m
Air Canada
ma 4/56:00 a.m.
OPO
-
YXU
2 stops34h 43m
Air Canada
Deal found 13/3C$ 1,227
to 30/49:25 a.m.
YXU
-
OPO
3 stops28h 55m
Multiple Airlines
to 7/57:00 a.m.
OPO
-
YXU
3 stops19h 38m
Multiple Airlines
Deal found 16/3C$ 1,247
pe 5/66:10 p.m.
YXU
-
LIS
1 stop11h 50m
Air Canada
ti 9/61:00 p.m.
LIS
-
YXU
1 stop27h 43m
Air Canada
Deal found 16/3C$ 1,254
su 19/45:10 a.m.
YXU
-
LIS
2 stops23h 10m
Air Canada
ke 22/412:35 p.m.
LIS
-
YXU
2 stops57h 29m
Air Canada
Deal found 14/3C$ 1,268
to 30/45:40 p.m.
YXU
-
OPO
2 stops19h 50m
Air Canada
to 7/58:40 a.m.
OPO
-
YXU
2 stops29h 13m
Air Canada
Deal found 16/3C$ 1,476
pe 12/65:55 p.m.
YXU
-
PDL
2 stops58h 15m
WestJet
ti 16/610:30 a.m.
PDL
-
YXU
2 stops46h 50m
WestJet
Deal found 14/3C$ 1,543
ke 15/45:10 a.m.
YXU
-
LIS
2 stops20h 20m
Multiple Airlines
ke 22/49:35 a.m.
LIS
-
YXU
3 stops26h 00m
Multiple Airlines
Deal found 16/3C$ 1,609
su 19/45:40 p.m.
YXU
-
FAO
2 stops15h 50m
Air Canada
to 23/46:05 a.m.
FAO
-
YXU
2 stops20h 14m
Air Canada
Deal found 15/3C$ 1,642
ma 20/45:40 p.m.
YXU
-
FAO
2 stops16h 25m
Air Canada
to 23/43:55 p.m.
FAO
-
YXU
2 stops54h 09m
Air Canada
Deal found 13/3C$ 1,657
ma 27/45:40 p.m.
YXU
-
OPO
3 stops22h 35m
Multiple Airlines
ma 4/59:05 p.m.
OPO
-
YXU
3 stops25h 28m
Multiple Airlines
Deal found 13/3C$ 1,690

Find flight deals from London to Portugal

Keep the following information in mind while searching for London to Portugal flight deals. Data was last updated 18 maaliskuu 2026.

Round-trip from

C$ 1,006

One-way from

C$ 785
Air Canada
  • Air Canada
  • 15/4-22/4
  • 4 total stops
  • 73h 39m total
  • London to Portugal
Search Deals
28/4
  • 28/4
  • 3 total stops
  • 35h 10m total
  • London to Portugal
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from London 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, Cheapflights users made 629,999 searches. Data last updated 18 maaliskuu 2026.
Use the filters below to find and compare flights from London to Portugal that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

LondonPorto

YXU - OPO

YXUOPO

London

ma 27/4

5:40 p.m.-3:40 p.m.

2 stops17h 00m

Porto

ma 4/5

6:00 a.m.-11:43 a.m.

2 stops34h 43m

C$ 1,227

LondonPorto

YXU - OPO

YXUOPO

London

to 30/4

9:25 a.m.-7:20 p.m.

3 stops28h 55m

Porto

to 7/5

7:00 a.m.-9:38 p.m.

3 stops19h 38m

C$ 1,247

LondonLisbon

YXU - LIS

YXULIS

London

pe 5/6

6:10 p.m.-11:00 a.m.

1 stop11h 50m

Lisbon Humberto Delgado

ti 9/6

1:00 p.m.-11:43 a.m.

1 stop27h 43m

C$ 1,254

LondonLisbon

YXU - LIS

YXULIS

London

ke 15/4

5:40 p.m.-1:40 p.m.

2 stops39h 00m

Lisbon Humberto Delgado

ke 22/4

1:00 p.m.-9:19 p.m.

1 stop13h 19m

C$ 1,258

LondonLisbon

YXU - LIS

YXULIS

London

su 19/4

5:10 a.m.-9:20 a.m.

2 stops23h 10m

Lisbon Humberto Delgado

ke 22/4

12:35 p.m.-5:04 p.m.

2 stops57h 29m

C$ 1,268

LondonPonta Delgada

YXU - PDL

YXUPDL

London

pe 12/6

5:55 p.m.-8:10 a.m.

2 stops58h 15m

Ponta Delgada Nordela

ti 16/6

10:30 a.m.-5:20 a.m.

2 stops46h 50m

C$ 1,543

LondonFaro

YXU - FAO

YXUFAO

London

su 19/4

5:40 p.m.-2:30 p.m.

2 stops15h 50m

Faro

to 23/4

6:05 a.m.-5:04 p.m.

2 stops39h 59m

C$ 1,642

LondonFaro

YXU - FAO

YXUFAO

London

ma 20/4

5:40 p.m.-3:05 p.m.

2 stops16h 25m

Faro

to 23/4

3:55 p.m.-5:04 p.m.

2 stops54h 09m

C$ 1,657

LondonPorto

YXU - OPO

YXUOPO

London

ma 27/4

5:40 p.m.-9:15 p.m.

3 stops22h 35m

Porto

ma 4/5

9:05 p.m.-5:33 p.m.

3 stops25h 28m

C$ 1,690

LondonPorto

YXU - OPO

YXUOPO

London

ma 27/4

5:40 p.m.-9:30 p.m.

2 stops22h 50m

Porto

ma 4/5

2:35 p.m.-5:33 p.m.

3 stops31h 58m

C$ 1,751

Flights are sorted by cheapest round-trip flights first.

Deals found on 14/3

Showing 1-10 of 19 resultsSorted by cheapest first
1
2

Best time to book a flight from London to Portugal

Have a flexible travel schedule? Discover the best time to fly to Portugal from London 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 from London to Portugal

What is the cheapest month to book a flight from London, Ontario to Portugal?

Currently, May is the cheapest month in which you can book a flight from London, Ontario to Portugal (average of C$ 397). Flying from London, Ontario to Portugal in July is currently the most expensive (average of C$ 812). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Reviews of airlines servicing Portugal

Get insights into the airlines that provide service to Portugal. 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 Portugal. Reviews last updated 18 maaliskuu 2026.
Read through reviews of airlines operating flights from London to Portugal, such as Air Canada. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Air Canada
7.1
Good
10,813 reviews
Check prices

Food

6.3

Comfort

7.1

Overall

7.1

Crew

7.8

Entertainment

6.8

Boarding

7.3

Reviews

1 / 20
4.0
Okay

Sugith,Jan 2026

YSB - YYZ

Left 2 hours late. Stuck on plane for an hour after boarding before take off.
Air Canada
7.1
Good
10,813 reviews
Air Canada
7.1
Good
10,813 reviews
Check prices

Food

6.3

Comfort

7.1

Overall

7.1

Crew

7.8

Entertainment

6.8

Boarding

7.3

Reviews

1 / 20
4.0
Okay

Sugith,Jan 2026

YSB - YYZ

Left 2 hours late. Stuck on plane for an hour after boarding before take off.

Related info for your journey

Find useful and relevant information for your journey from London to Portugal. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from London to Portugal?

    Located just 8.6 km from the city centre, London (YXU) is the airport most travellers will use when flying to Portugal from London.

  • How long is the flight from London, Ontario to Portugal?

    A quick flight from London, Ontario to Portugal can take about 17h. Air Canada provides one of the quickest options available for as low as C$ 1,227. There are 5779 km between London, Ontario and Portugal. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

  • What are the most popular routes from London, Ontario to Portugal?

    When deciding which route to take from London, Ontario to Portugal consider London - Lisbon Humberto Delgado, London - Faro or London - Porto as they are the most popular.

  • Can I find deals for flights from London to Portugal that include hotel bookings?

    Yes. In addition to deals on London to Portugal flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from London to Portugal?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from London to Portugal.

  • Can I find deals for business class flights from London to Portugal?

    Yes. Cheapflights offers flight deals from London to Portugal by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from London, Ontario to Portugal?

    Currently, May is the cheapest month in which you can book a flight from London, Ontario to Portugal (average of C$ 397). Flying from London, Ontario to Portugal in July is currently the most expensive (average of C$ 812). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Alternative routes for London to Portugal

See prices for flight routes from nearby airports that may be better suited for you.
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Top airline flying from London to Portugal

Discover the top airline that operate flights from London to Portugal. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 629,999 searches. Data last updated 18 maaliskuu 2026.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapestC$ 901AverageC$ 1,256FlexibilityNo cancel feeOn-time67%
Search Air Canada flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from London to Portugal?

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from London to Portugal. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

Why should you use Cheapflights to find cheap flight tickets from London to Portugal?

Cheapflights simply makes it quick and affordable to book flights from London to Portugal by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

Can Cheapflights find flights from London to Portugal with no change fees?

Cheapflights does show flights with no change fees to all users. To see these options for flights from London to Portugal, users can toggle the no change fees filter when performing a flight search.

Can Cheapflights notify me if prices for flights from London to Portugal become cheaper?

Yes, Cheapflights offers price alerts on London to Portugal flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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