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

There are many flights that can get you from Portugal to London, Ontario in 38h 47m. Fly via Air Canada to get the fastest option. The distance from Portugal to London, Ontario is about 5877 km.

In terms of precipitation, rainfall in London, Ontario ranges from 70.0 - 100.0 mm per month. January is typically the wettest month, when rainfall can reach 100.0 mm. March is typically the driest time to visit London, Ontario when rainfall is around 70.0 mm.

If weather is an important factor for your trip to London, Ontario, 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 20.0 C. Travellers hoping to avoid the cold should look outside of February, when temperatures are typically at their lowest (around -6.0 C).

What is the cheapest time of day to fly from PT to YXU?

When flying from Portugal to London, Ontario, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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.

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.

C$ 864+ Cheap Flights from Portugal to London, ON

Cheap flight deals from Portugal to London

Enter your travel dates to find the best prices.

Cheapest

Best

Last-minute

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 21 September 2026.

Fri 20/115:00 a.m. -

2 stops38h 47m

Sun 22/113:25 p.m. -

2 stops17h 05m

Deal found 19/9C$ 899

Fri 25/912:20 p.m. -

2 stops26h 00m

Mon 28/95:40 a.m. -

2 stops21h 40m

Deal found 19/9C$ 1,271

Tue 17/1112:50 p.m. -

2 stops24h 47m

Thu 19/113:25 p.m. -

2 stops17h 05m

Deal found 19/9C$ 1,320

Tue 17/1111:20 a.m. -

1 stop15h 37m

Thu 19/113:25 p.m. -

2 stops17h 05m

Deal found 19/9C$ 1,327

Fri 25/91:00 p.m. -

1 stop25h 20m

Mon 28/95:40 a.m. -

1 stop24h 20m

Deal found 19/9C$ 2,262

Fri 20/117:20 a.m. -

3 stops19h 37m

Sun 22/113:25 p.m. -

2 stops14h 40m

Deal found 19/9C$ 5,817

Find flight deals from Portugal to London

Round-trip from	C$ 864

14/1-17/1
4 total stops
40h 07m total
Portugal to London

Search Deals

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Quickest round-trip

LisbonLondon

LIS Lisbon Humberto Delgado - YXU London

LISYXU

Lisbon Humberto Delgado

Thu 14/1

5:00 a.m.-9:52 p.m.

2 stops21h 52m

London

Sun 17/1

3:20 p.m.-2:35 p.m.

2 stops18h 15m

C$ 864

LisbonLondon

LIS Lisbon Humberto Delgado - YXU London

LISYXU

Lisbon Humberto Delgado

Fri 20/11

5:00 a.m.-2:47 p.m.

2 stops38h 47m

London

Sun 22/11

3:25 p.m.-1:30 p.m.

2 stops17h 05m

C$ 899

LisbonLondon

LIS Lisbon Humberto Delgado - YXU London

LISYXU

Lisbon Humberto Delgado

Thu 28/1

6:05 a.m.-8:37 a.m.

2 stops31h 32m

London

Sun 31/1

3:20 p.m.-9:20 a.m.

2 stops37h 00m

C$ 902

Flights are sorted by cheapest round-trip flights first.

Deals found on 17/9

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.

LIS-YXU

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

PT0-YXU

LIS-YXU

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

Related info for your journey

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 38h 47m. 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.

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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.

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Cheap flights from Portugal to London, ON from C$ 864

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 14/1. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Portugal to London

Cheapest flights from Portugal to LondonExplore 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 21 September 2026.

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 21 September 2026.

Best flights from Portugal to LondonDiscover carefully curated flight deals from Portugal to London that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated 21 September 2026.

Discover carefully curated flight deals from Portugal to London that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated 21 September 2026.

Last-minute flights from Portugal to LondonDiscover last-minute flight deals from Portugal to London. Data last updated 21 September 2026 and is based on user searches.

Discover last-minute flight deals from Portugal to London. Data last updated 21 September 2026 and is based on user searches.

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Best time to book a flight from Portugal to London

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Cheapflights Insights

Related info for your journey

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

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

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

How can I find direct flights from Portugal to London?

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

Travelling to a place near London?

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.

Complete your trip

Complete your trip to London by adding a car rental and/or hotel reservation to your travel itinerary.

Direct flights to Ontario

Book a non-stop flight to one of these other cities located in Ontario.

Search flights from Portugal to London by cabin class

Find flights from Portugal to London, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Other flights to London

Explore flights to London departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on 21 September 2026.

Portugal and London flights

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Fly with Cheapflights

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

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

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

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

100% Free

Book with Flexibility

Travel Smart

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 21 September 2026.

Best flights from Portugal to London
Discover carefully curated flight deals from Portugal to London that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated 21 September 2026.

Last-minute flights from Portugal to London
Discover last-minute flight deals from Portugal to London. Data last updated 21 September 2026 and is based on user searches.