Find flights
When to book
FAQs

Cheap flights from London, ON to Portugal from C$ 444

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 17/7. Fares are subject to change and may not be available on all flights or dates of travel.
YXU — LIS
21 Jul — 28 Jul1
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 21 June 2026.

Sun 8/119:45 a.m.
YXU
-
LIS
1 stop20h 15m
Air Canada
Thu 12/111:00 p.m.
LIS
-
YXU
1 stop31h 06m
Air Canada
Deal found 17/6C$ 791
Sun 22/119:45 a.m.
YXU
-
LIS
1 stop20h 15m
Air Canada
Thu 26/115:00 a.m.
LIS
-
YXU
2 stops15h 06m
Air Canada
Deal found 19/6C$ 802
Sun 29/113:25 p.m.
YXU
-
OPO
2 stops38h 50m
Air Canada
Thu 3/126:00 a.m.
OPO
-
YXU
2 stops32h 06m
Air Canada
Deal found 17/6C$ 1,149
Mon 16/113:25 p.m.
YXU
-
OPO
2 stops38h 50m
Air Canada
Fri 20/116:00 a.m.
OPO
-
YXU
2 stops38h 06m
Air Canada
Deal found 20/6C$ 1,165
Mon 9/115:45 a.m.
YXU
-
FAO
2 stops28h 55m
Air Canada
Fri 13/116:05 a.m.
FAO
-
YXU
2 stops32h 01m
Air Canada
Deal found 16/6C$ 1,381
Tue 17/113:25 p.m.
YXU
-
PDL
2 stops23h 10m
Air Canada
Sat 21/116:30 a.m.
PDL
-
YXU
2 stops30h 36m
Air Canada
Deal found 17/6C$ 1,431
Mon 16/113:25 p.m.
YXU
-
FAO
2 stops19h 15m
Air Canada
Fri 20/116:05 a.m.
FAO
-
YXU
2 stops38h 01m
Air Canada
Deal found 19/6C$ 1,494
Sun 18/1010:05 a.m.
YXU
-
PDL
2 stops24h 55m
Air Canada
Thu 22/106:30 a.m.
PDL
-
YXU
2 stops19h 10m
Air Canada
Deal found 19/6C$ 1,657

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 21 June 2026.

Round-trip from

C$ 791

One-way from

C$ 444
Air Canada
  • Air Canada
  • 8/11-12/11
  • 2 total stops
  • 51h 21m total
  • London to Portugal
Search Deals
WestJet
  • WestJet
  • 17/7
  • 3 total stops
  • 49h 15m 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 21 June 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

LondonLisbon

YXU - LIS

YXULIS

London

Sun 8/11

9:45 a.m.-11:00 a.m.

1 stop20h 15m

Lisbon Humberto Delgado

Thu 12/11

1:00 p.m.-3:06 p.m.

1 stop31h 06m

C$ 791
Quickest round-trip

LondonLisbon

YXU - LIS

YXULIS

London

Sun 22/11

9:45 a.m.-11:00 a.m.

1 stop20h 15m

Lisbon Humberto Delgado

Thu 26/11

5:00 a.m.-3:06 p.m.

2 stops15h 06m

C$ 802

LondonPorto

YXU - OPO

YXUOPO

London

Sun 29/11

3:25 p.m.-11:15 a.m.

2 stops38h 50m

Porto

Thu 3/12

6:00 a.m.-9:06 a.m.

2 stops32h 06m

C$ 1,149

LondonPorto

YXU - OPO

YXUOPO

London

Mon 16/11

3:25 p.m.-11:15 a.m.

2 stops38h 50m

Porto

Fri 20/11

6:00 a.m.-3:06 p.m.

2 stops38h 06m

C$ 1,165

LondonFaro

YXU - FAO

YXUFAO

London

Mon 9/11

5:45 a.m.-3:40 p.m.

2 stops28h 55m

Faro

Fri 13/11

6:05 a.m.-9:06 a.m.

2 stops32h 01m

C$ 1,381

LondonPonta Delgada

YXU - PDL

YXUPDL

London

Tue 17/11

3:25 p.m.-6:35 p.m.

2 stops23h 10m

Ponta Delgada Nordela

Sat 21/11

6:30 a.m.-9:06 a.m.

2 stops30h 36m

C$ 1,431

LondonFaro

YXU - FAO

YXUFAO

London

Mon 16/11

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

2 stops19h 15m

Faro

Fri 20/11

6:05 a.m.-3:06 p.m.

2 stops38h 01m

C$ 1,494

LondonPonta Delgada

YXU - PDL

YXUPDL

London

Sun 18/10

10:05 a.m.-3:00 p.m.

2 stops24h 55m

Ponta Delgada Nordela

Thu 22/10

6:30 a.m.-9:40 p.m.

2 stops19h 10m

C$ 1,657
Cheapest one-way

LondonLisbon

YXU - LIS

YXULIS

London

Fri 17/7

2:40 p.m.-8:55 p.m.

3 stops49h 15m

C$ 444

LondonPonta Delgada

YXU - PDL

YXUPDL

London

Tue 4/8

6:20 p.m.-8:40 a.m.

2 stops34h 20m

C$ 604

Flights are sorted by cheapest round-trip flights first.

Deals found on 19/6

Showing 1-10 of 22 resultsSorted by cheapest first
1
2
3

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
No data available for this route at this time. Please check back soon.

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 20h 15m. Air Canada provides one of the quickest options available for as low as C$ 791. There are 5877 km between London, Ontario and Portugal.

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

    When deciding which route to take from London, Ontario to Portugal consider London - Porto, London - Lisbon Humberto Delgado or London - Ponta Delgada Nordela 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.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for London to Portugal

See prices for flight routes from nearby airports that may be better suited for you.
Pierre Elliott Trudeau Intl to Charles de Gaulle flights
Pearson Intl to Heathrow flights
Pearson Intl to Gatwick flights
Pearson Intl to Istanbul flights
Pearson Intl to Leonardo da Vinci/Fiumicino flights
Pierre Elliott Trudeau Intl to Orly flights
Pearson Intl to Charles de Gaulle flights
Pierre Elliott Trudeau Intl to Leonardo da Vinci/Fiumicino flights
Pearson Intl to Lisbon flights
Pearson Intl to Stansted flights
Pierre Elliott Trudeau Intl to Lisbon flights
Pearson Intl to Athens flights
Pearson Intl to Dublin flights
Toronto Island to Heathrow flights
Pierre Elliott Trudeau Intl to Athens flights
Pierre Elliott Trudeau Intl to Istanbul flights
Pearson Intl to London City flights
Toronto Island to Gatwick flights
Pierre Elliott Trudeau Intl to Heathrow flights
Pearson Intl to Frankfurt flights
Pearson Intl to Madrid flights
Pierre Elliott Trudeau Intl to Barcelona-El Prat flights
Pearson Intl to Luton flights
Pierre Elliott Trudeau Intl to Beauvais-Tille flights
Pearson Intl to Barcelona-El Prat flights
Pearson Intl to Orly flights
Pearson Intl to Amsterdam flights
Pearson Intl to Tirana flights
Pearson Intl to Sabiha Gokcen flights
Toronto Island to Leonardo da Vinci/Fiumicino flights
Toronto Island to Charles de Gaulle flights
Pearson Intl to Edinburgh flights
Pierre Elliott Trudeau Intl to Bruxelles-National flights
Pearson Intl to Frederic Chopin flights
Pierre Elliott Trudeau Intl to Lyon flights
Pierre Elliott Trudeau Intl to Marseille flights
Toronto Island to Istanbul flights
Pierre Elliott Trudeau Intl to Amsterdam flights
Pierre Elliott Trudeau Intl to Nice flights
Pierre Elliott Trudeau Intl to Madrid flights
Pierre Elliott Trudeau Intl to Geneva flights
Pearson Intl to Zurich flights
Pierre Elliott Trudeau Intl to Vicenza flights
Pierre Elliott Trudeau Intl to Naples flights
Pierre Elliott Trudeau Intl to Malpensa flights
Pierre Elliott Trudeau Intl to Gatwick flights
Pearson Intl to Ponta Delgada flights
Pearson Intl to Copenhagen flights
Pearson Intl to Vicenza flights
Toronto Island to Lisbon 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.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.