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Cheap flights from London, ON to Portugal from C$ 792

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 8/5. Fares are subject to change and may not be available on all flights or dates of travel.
YXU — LIS
31 Mar — 7 Apr1
1 adult

Cheap flight deals from London to Portugal

Keep the following information in mind while searching for London to Portugal flight deals. Data was last updated 26 March 2025.

Round-trip from

C$ 1,332

One-way from

C$ 1,246
Air Canada
  • Air Canada
  • 9/5-16/5
  • 4 total stops
  • 60h 58m total
  • London to Portugal
Search Deals
Air Canada
  • Air Canada
  • 24/8
  • 1 total stop
  • 12h 20m total
  • London to Portugal
Search Deals

Find flight deals from London to Portugal

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 26 March 2025.

Mon 31/35:15 a.m.YXU - LIS
2 stops24h 15mUnited Airlines
Thu 10/412:20 p.m.LIS - YXU
2 stops36h 59mUnited Airlines
Deal found 23/3C$ 994
Mon 31/35:15 a.m.YXU - LIS
2 stops24h 15mAir Canada
Thu 10/412:50 p.m.LIS - YXU
1 stop25h 23mAir Canada
Deal found 23/3C$ 1,180
Fri 9/59:55 a.m.YXU - FAO
2 stops26h 25mMultiple Airlines
Fri 16/53:55 p.m.FAO - YXU
2 stops34h 33mMultiple Airlines
Deal found 24/3C$ 1,332
Sun 24/85:45 p.m.YXU - OPO
2 stops34h 50mMultiple Airlines
Mon 1/97:20 p.m.OPO - YXU
2 stops30h 27mMultiple Airlines
Deal found 25/3C$ 1,383
Fri 9/53:35 p.m.YXU - LIS
3 stops27h 10mMultiple Airlines
Fri 16/56:00 a.m.LIS - YXU
3 stops32h 18mMultiple Airlines
Deal found 25/3C$ 1,390
Sun 24/85:45 p.m.YXU - OPO
2 stops18h 35mSWISS
Mon 1/98:05 p.m.OPO - YXU
3 stops29h 42mSWISS
Deal found 25/3C$ 1,672

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 26 March 2025.
Use the filters below to find and compare flights from London to Portugal that are best for you.

Fly from

London

Fly to

Portugal

Route

Depart

Return

Price

LondonLisbon

YXU - LIS

YXULIS

London

Thu 8/5

3:35 p.m.-1:35 p.m.

2 stops17h 00m

Lisbon Humberto Delgado

Thu 15/5

12:55 p.m.-9:18 a.m.

1 stop25h 23m

C$ 1,323

LondonFaro

YXU - FAO

YXUFAO

London

Fri 9/5

9:55 a.m.-5:20 p.m.

2 stops26h 25m

Faro

Fri 16/5

3:55 p.m.-9:28 p.m.

2 stops34h 33m

C$ 1,332

LondonPorto

YXU - OPO

YXUOPO

London

Sun 24/8

5:45 p.m.-9:35 a.m.

2 stops34h 50m

Porto

Mon 1/9

7:20 p.m.-8:47 p.m.

2 stops30h 27m

C$ 1,383

LondonLisbon

YXU - LIS

YXULIS

London

Fri 9/5

3:35 p.m.-11:45 p.m.

3 stops27h 10m

Lisbon Humberto Delgado

Fri 16/5

6:00 a.m.-9:18 a.m.

3 stops32h 18m

C$ 1,390

LondonPorto

YXU - OPO

YXUOPO

London

Sun 24/8

5:45 p.m.-5:20 p.m.

2 stops18h 35m

Porto

Mon 1/9

8:05 p.m.-8:47 p.m.

3 stops29h 42m

C$ 1,672

LondonLisbon

YXU - LIS

YXULIS

London

Thu 8/5

8:00 p.m.-8:40 p.m.

2 stops43h 40m

C$ 792

LondonLisbon

YXU - LIS

YXULIS

London

Thu 8/5

6:15 a.m.-11:05 a.m.

1 stop23h 50m

C$ 1,214

Flights are sorted by cheapest round-trip flights first.

Deals found on 24/3

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

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

Currently, January is the cheapest month in which you can book a flight from London, Ontario to Portugal (average of C$ 482). Flying from London, Ontario to Portugal in July is currently the most expensive (average of C$ 803). 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.

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

Find hourly flight availability from London to Portugal. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 26 March 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from London, Ontario to Portugal as you normally would.

Rainfall in Portugal by month

Plan your trip to Portugal by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Portugal ranges from 6.0 - 122.0 mm per month. December is typically the wettest month, when rainfall can reach 122.0 mm. July is typically the driest time to visit Portugal when rainfall is around 6.0 mm.

Temperature in Portugal by month

Plan your trip to Portugal by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Portugal, 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 23.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 11.0 C).

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 26 March 2025.
SWISS
7.5
Good
1,569 reviews
Check prices

Boarding

7.6

Comfort

7.3

Overall

7.5

Crew

8.2

Entertainment

6.7

Food

7.0

Reviews

1 / 20
6.0
Good

Madhukar,Nov 2024

ZRH - BOM

Indian Veg food selection and quality definitely needs a better chef.
SWISS
7.5
Good
1,569 reviews
SWISS
7.5
Good
1,569 reviews
Check prices

Boarding

7.6

Comfort

7.3

Overall

7.5

Crew

8.2

Entertainment

6.7

Food

7.0

Reviews

1 / 20
6.0
Good

Madhukar,Nov 2024

ZRH - BOM

Indian Veg food selection and quality definitely needs a better chef.
Air Canada
7.0
Good
8,960 reviews
SWISS
7.5
Good
1,569 reviews
Check prices

Boarding

7.6

Comfort

7.3

Overall

7.5

Crew

8.2

Entertainment

6.7

Food

7.0

Reviews

1 / 20
6.0
Good

Madhukar,Nov 2024

ZRH - BOM

Indian Veg food selection and quality definitely needs a better chef.

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.

  • 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 - Porto or London - Faro 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, January is the cheapest month in which you can book a flight from London, Ontario to Portugal (average of C$ 482). Flying from London, Ontario to Portugal in July is currently the most expensive (average of C$ 803). 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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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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