Find flights
When to book
FAQs

Cheap flights from Portugal to London, ON from C$ 906

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 29/4. Fares are subject to change and may not be available on all flights or dates of travel.
LIS — YXU
18 Apr — 25 Apr1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Portugal to London

Enter your travel dates to find the best prices.

Cheapest flights from Portugal to London
Explore the most affordable flight options available from Portugal to London. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 19 March 2026.

Wed 29/46:45 a.m.
LIS
-
YXU
2 stops30h 59m
Multiple Airlines
Wed 6/512:20 p.m.
YXU
-
LIS
2 stops22h 15m
Multiple Airlines
Deal found 15/3C$ 906
Thu 10/95:05 a.m.
LIS
-
YXU
2 stops41h 40m
Air Canada
Mon 14/95:40 a.m.
YXU
-
LIS
2 stops23h 50m
Air Canada
Deal found 14/3C$ 916
Tue 21/46:45 a.m.
LIS
-
YXU
2 stops30h 59m
Air Canada
Mon 27/45:10 a.m.
YXU
-
LIS
2 stops29h 20m
Air Canada
Deal found 19/3C$ 923
Fri 3/411:25 a.m.
LIS
-
YXU
2 stops34h 39m
Multiple Airlines
Tue 7/45:40 p.m.
YXU
-
LIS
2 stops24h 05m
Multiple Airlines
Deal found 18/3C$ 954
Tue 21/41:00 p.m.
LIS
-
YXU
1 stop24h 44m
Air Canada
Tue 28/45:10 a.m.
YXU
-
LIS
2 stops27h 30m
Air Canada
Deal found 19/3C$ 957
Wed 15/41:00 p.m.
LIS
-
YXU
1 stop24h 44m
Air Canada
Mon 27/45:10 a.m.
YXU
-
LIS
2 stops29h 20m
Air Canada
Deal found 19/3C$ 958
Wed 15/411:25 a.m.
LIS
-
YXU
2 stops38h 54m
Air Canada
Tue 28/45:10 a.m.
YXU
-
LIS
2 stops27h 30m
Air Canada
Deal found 19/3C$ 962

Find flight deals from Portugal to London

Keep the following information in mind while searching for Portugal to London flight deals. Data was last updated 19 March 2026.

Round-trip from

C$ 906
Lufthansa
  • Lufthansa
  • 29/4-6/5
  • 4 total stops
  • 53h 14m total
  • Portugal to London
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Portugal to London 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 19 March 2026.
Use the filters below to find and compare flights from Portugal to London that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

LisbonLondon

LIS - YXU

LISYXU

Lisbon Humberto Delgado

Thu 10/9

5:05 a.m.-5:45 p.m.

2 stops41h 40m

London

Mon 14/9

5:40 a.m.-10:30 a.m.

2 stops23h 50m

C$ 916

LisbonLondon

LIS - YXU

LISYXU

Lisbon Humberto Delgado

Fri 17/4

12:20 p.m.-8:44 a.m.

2 stops25h 24m

London

Tue 28/4

5:10 a.m.-1:40 p.m.

2 stops27h 30m

C$ 997
Quickest round-trip

LisbonLondon

LIS - YXU

LISYXU

Lisbon Humberto Delgado

Wed 29/4

6:45 a.m.-8:44 a.m.

2 stops30h 59m

London

Wed 6/5

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

1 stop17h 40m

C$ 1,049

LisbonLondon

LIS - YXU

LISYXU

Lisbon Humberto Delgado

Fri 3/4

1:00 p.m.-5:04 p.m.

1 stop33h 04m

London

Tue 7/4

5:40 p.m.-10:45 p.m.

2 stops24h 05m

C$ 1,098

LisbonLondon

LIS - YXU

LISYXU

Lisbon Humberto Delgado

Thu 16/4

12:20 p.m.-8:44 a.m.

2 stops25h 24m

London

Sat 25/4

5:10 a.m.-10:35 a.m.

2 stops24h 25m

C$ 1,100

Flights are sorted by cheapest round-trip flights first.

Deals found on 14/3

Sorted by cheapest first

Best time to book a flight from Portugal to London

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

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

Currently, April is the cheapest month in which you can book a flight from Portugal to London, Ontario (average of C$ 376). Flying from Portugal to London, Ontario in August is currently the most expensive (average of C$ 670). 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.

Related info for your journey

Find useful and relevant information for your journey from Portugal to London. 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 into for flights to London from Portugal?

    London (YXU) is the airport you will fly into if you book a flight from Portugal to London. It is only a 8.6 km journey from London (YXU) to London’s city centre.

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

    There are many flights that can get you from Portugal to London, Ontario in 41h 40m. Fly via Air Canada to get the fastest option. The distance from Portugal to London, Ontario is about 5877 km.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Portugal to London 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 Portugal to London, Ontario?

    Currently, April is the cheapest month in which you can book a flight from Portugal to London, Ontario (average of C$ 376). Flying from Portugal to London, Ontario in August is currently the most expensive (average of C$ 670). 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

Travelling to a place near London?

Book flights to London if you plan to visit one of these locations
Port Stanley
Grand Bend

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 Portugal to London

See prices for flight routes from nearby airports that may be better suited for you.
Charles de Gaulle to Pierre Elliott Trudeau Intl flights
Orly to Pierre Elliott Trudeau Intl flights
Heathrow to Pearson Intl flights
Charles de Gaulle to Pearson Intl flights
Gatwick to Pearson Intl flights
Lyon to Pierre Elliott Trudeau Intl flights
Beauvais-Tille to Pierre Elliott Trudeau Intl flights
Toulouse to Pierre Elliott Trudeau Intl flights
Frankfurt to Pearson Intl flights
Frederic Chopin to Pearson Intl flights
Nice to Pierre Elliott Trudeau Intl flights
London City to Pearson Intl flights
Stansted to Pearson Intl flights
Charles de Gaulle to Toronto Island flights
Orly to Pearson Intl flights
Nantes to Pierre Elliott Trudeau Intl flights
Heathrow to Pierre Elliott Trudeau Intl flights
Frankfurt to Pierre Elliott Trudeau Intl flights
Vienna to Pearson Intl flights
Geneva to Pierre Elliott Trudeau Intl flights
Frederic Chopin to Toronto Island flights
Luton to Pearson Intl flights
Manchester to Pearson Intl flights
Marseille to Pierre Elliott Trudeau Intl flights
Bruxelles-National to Pearson Intl flights
Amsterdam to Pearson Intl flights
Leonardo da Vinci/Fiumicino to Pearson Intl flights
Munich to Pearson Intl flights
Bruxelles-National to Pierre Elliott Trudeau Intl flights
Gatwick to Pierre Elliott Trudeau Intl flights
Barcelona-El Prat to Pierre Elliott Trudeau Intl flights
Dublin to Pearson Intl flights
Zurich to Pearson Intl flights
Duesseldorf Intl to Pearson Intl flights
Copenhagen to Pearson Intl flights
Madrid to Pierre Elliott Trudeau Intl flights
Athens to Pearson Intl flights
Bruxelles-National to Toronto Island flights
Istanbul to Pearson Intl flights
Zurich to Pierre Elliott Trudeau Intl flights
Amsterdam to Toronto Island flights
Vienna to Pierre Elliott Trudeau Intl 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 Portugal to London?

When you search for this flight from Portugal to London, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

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

Millions of users choose and trust Cheapflights to book the best flight deals from Portugal to London for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

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

Certainly. Search results for flights to London from Portugal shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

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

Yes, Cheapflights offers price alerts on Portugal to London 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.