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Cheap flights from London, ON to Portugal from C$ 539

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 13/9. Fares are subject to change and may not be available on all flights or dates of travel.
YXU — LIS
4 Aug — 11 Aug1
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 30 July 2025.

Round-trip from

C$ 1,417

One-way from

C$ 539
13/9-20/9
  • 13/9-20/9
  • 5 total stops
  • 70h 52m total
  • London to Portugal
Search Deals
13/9
  • 13/9
  • 3 total stops
  • 56h 10m 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 30 July 2025.

Sat 13/96:00 a.m.YXU - LIS
3 stops34h 55mMultiple Airlines
Sat 20/910:15 p.m.LIS - YXU
2 stops35h 57mMultiple Airlines
Deal found 30/7C$ 1,417
Sat 13/93:50 p.m.YXU - LIS
2 stops36h 30mLufthansa
Sat 20/97:30 a.m.LIS - YXU
2 stops18h 59mLufthansa
Deal found 30/7C$ 1,502
Sat 13/93:50 p.m.YXU - LIS
2 stops36h 30mAir Canada
Sat 20/95:05 a.m.LIS - YXU
2 stops21h 24mAir Canada
Deal found 30/7C$ 1,521
Fri 12/93:50 p.m.YXU - LIS
2 stops26h 30mSWISS
Fri 19/95:55 a.m.LIS - YXU
2 stops20h 34mSWISS
Deal found 29/7C$ 1,582
Mon 29/910:00 a.m.YXU - PDL
2 stops24h 45mAir Canada
Thu 2/106:30 a.m.PDL - YXU
2 stops30h 47mAir Canada
Deal found 29/7C$ 2,119
Wed 10/910:00 a.m.YXU - OPO
2 stops18h 20mLufthansa
Wed 1/106:00 a.m.OPO - YXU
2 stops20h 27mLufthansa
Deal found 29/7C$ 4,853
Wed 10/93:50 p.m.YXU - OPO
2 stops26h 30mMultiple Airlines
Wed 1/107:50 p.m.OPO - YXU
3 stops30h 37mMultiple Airlines
Deal found 29/7C$ 4,957
Wed 10/93:50 p.m.YXU - OPO
3 stops23h 45mSWISS
Wed 1/107:50 p.m.OPO - YXU
3 stops30h 37mSWISS
Deal found 29/7C$ 7,938

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 30 July 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

Sat 13/9

6:00 a.m.-9:55 p.m.

3 stops34h 55m

Lisbon Humberto Delgado

Sat 20/9

10:15 p.m.-5:12 a.m.

2 stops35h 57m

C$ 1,417

LondonLisbon

YXU - LIS

YXULIS

London

Sat 13/9

3:50 p.m.-9:20 a.m.

2 stops36h 30m

Lisbon Humberto Delgado

Sat 20/9

7:30 a.m.-9:29 p.m.

2 stops18h 59m

C$ 1,502

LondonLisbon

YXU - LIS

YXULIS

London

Sat 13/9

3:50 p.m.-9:20 a.m.

2 stops36h 30m

Lisbon Humberto Delgado

Sat 20/9

5:05 a.m.-9:29 p.m.

2 stops21h 24m

C$ 1,521

LondonLisbon

YXU - LIS

YXULIS

London

Fri 12/9

3:50 p.m.-11:20 p.m.

2 stops26h 30m

Lisbon Humberto Delgado

Fri 19/9

5:55 a.m.-9:29 p.m.

2 stops20h 34m

C$ 1,582

LondonPonta Delgada

YXU - PDL

YXUPDL

London

Mon 29/9

10:00 a.m.-2:45 p.m.

2 stops24h 45m

Ponta Delgada Nordela

Thu 2/10

6:30 a.m.-9:17 a.m.

2 stops30h 47m

C$ 2,119

LondonPorto

YXU - OPO

YXUOPO

London

Wed 10/9

10:00 a.m.-9:20 a.m.

2 stops18h 20m

Porto

Wed 1/10

6:00 a.m.-9:27 p.m.

2 stops20h 27m

C$ 4,853

LondonPorto

YXU - OPO

YXUOPO

London

Wed 10/9

3:50 p.m.-11:20 p.m.

2 stops26h 30m

Porto

Wed 1/10

7:50 p.m.-9:27 p.m.

3 stops30h 37m

C$ 4,957

LondonPorto

YXU - OPO

YXUOPO

London

Wed 10/9

3:50 p.m.-8:35 p.m.

3 stops23h 45m

Porto

Wed 1/10

7:50 p.m.-9:27 p.m.

3 stops30h 37m

C$ 7,938

LondonLisbon

YXU - LIS

YXULIS

London

Sat 13/9

8:00 p.m.-9:10 a.m.

3 stops56h 10m

C$ 539

LondonFaro

YXU - FAO

YXUFAO

London

Sat 13/9

8:00 p.m.-11:30 p.m.

3 stops46h 30m

C$ 546

Flights are sorted by cheapest round-trip flights first.

Deals found on 30/7

Showing 1-10 of 14 results
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, 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$ 779). 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 30 July 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.

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 30 July 2025.
Read through reviews of airlines operating flights from London to Portugal, such as SWISS,Air Canada, andLufthansa. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
SWISS
7.5
Good
1,686 reviews
Check prices

Boarding

7.7

Comfort

7.4

Crew

8.2

Overall

7.5

Food

7.1

Entertainment

6.8

Reviews

1 / 20
2.0
Mediocre

Jeff,Feb 2025

BER - ZRH

Ground and flight crew are lazy. No food. Late. Ryanair is better.
SWISS
7.5
Good
1,686 reviews
SWISS
7.5
Good
1,686 reviews
Check prices

Boarding

7.7

Comfort

7.4

Crew

8.2

Overall

7.5

Food

7.1

Entertainment

6.8

Reviews

1 / 20
2.0
Mediocre

Jeff,Feb 2025

BER - ZRH

Ground and flight crew are lazy. No food. Late. Ryanair is better.
Air Canada
7.1
Good
9,837 reviews
SWISS
7.5
Good
1,686 reviews
Check prices

Boarding

7.7

Comfort

7.4

Crew

8.2

Overall

7.5

Food

7.1

Entertainment

6.8

Reviews

1 / 20
2.0
Mediocre

Jeff,Feb 2025

BER - ZRH

Ground and flight crew are lazy. No food. Late. Ryanair is better.
Lufthansa
6.8
Okay
7,269 reviews
SWISS
7.5
Good
1,686 reviews
Check prices

Boarding

7.7

Comfort

7.4

Crew

8.2

Overall

7.5

Food

7.1

Entertainment

6.8

Reviews

1 / 20
2.0
Mediocre

Jeff,Feb 2025

BER - ZRH

Ground and flight crew are lazy. No food. Late. Ryanair is better.

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 - Ponta Delgada Nordela, London - Faro or London - Lisbon Humberto Delgado 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$ 779). 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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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 30 July 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapestC$ 908AverageC$ 1,266FlexibilityNo 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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