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Cheap flights from London Heathrow Airport to Portugal from C$ 110

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from London Heathrow Airport to Portugal departing on 13/1. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult

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Find the cheapest flights from London Heathrow Airport to Portugal

Cheap round-trip flights

Enter your travel dates to find the best prices.
Vueling Logo
6:50 p.m. - 8:10 a.m.
LHR
-
OPO
13h 20m1 stop
Vueling Logo
8:05 p.m. - 2:45 p.m.
OPO
-
LHR
18h 40m1 stop
C$ 204Vueling
Tue, 6 Jan - Tue, 13 Jan
Vueling Logo
6:50 p.m. - 8:10 a.m.
LHR
-
OPO
13h 20m1 stop
Vueling Logo
8:05 p.m. - 2:45 p.m.
OPO
-
LHR
18h 40m1 stop
C$ 216Vueling
Fri, 9 Jan - Tue, 13 Jan
TAP AIR PORTUGAL Logo
7:55 p.m. - 10:40 p.m.
LHR
-
LIS
2h 45mdirect
TAP AIR PORTUGAL Logo
4:05 p.m. - 6:55 p.m.
LIS
-
LHR
2h 50mdirect
C$ 220TAP AIR PORTUGAL
Thu, 12 Feb - Sun, 15 Feb
Vueling Logo
8:50 p.m. - 8:10 a.m.
LHR
-
OPO
11h 20m1 stop
Vueling Logo
9:55 p.m. - 9:10 a.m.
OPO
-
LHR
11h 15m1 stop
C$ 227Vueling
Tue, 13 Jan - Tue, 20 Jan
TAP AIR PORTUGAL Logo
7:55 p.m. - 10:40 p.m.
LHR
-
LIS
2h 45mdirect
TAP AIR PORTUGAL Logo
6:45 p.m. - 9:35 p.m.
LIS
-
LHR
2h 50mdirect
C$ 229TAP AIR PORTUGAL
Sat, 14 Mar - Fri, 20 Mar
British Airways Logo
11:55 a.m. - 2:50 p.m.
LHR
-
LIS
2h 55mdirect
British Airways Logo
11:05 a.m. - 2:00 p.m.
LIS
-
LHR
2h 55mdirect
C$ 230British Airways
Thu, 8 Jan - Sat, 24 Jan
British Airways Logo
6:55 a.m. - 9:50 a.m.
LHR
-
LIS
2h 55mdirect
British Airways Logo
7:05 a.m. - 10:05 a.m.
LIS
-
LHR
3h 00mdirect
C$ 231British Airways
Mon, 19 Jan - Sun, 25 Jan
Vueling Logo
8:50 p.m. - 8:10 a.m.
LHR
-
OPO
11h 20m1 stop
Vueling Logo
8:05 p.m. - 2:45 p.m.
OPO
-
LHR
18h 40m1 stop
C$ 231Vueling
Sun, 22 Feb - Thu, 26 Feb
KLM Logo
10:00 a.m. - 3:25 p.m.
LHR
-
OPO
5h 25m1 stop
KLM Logo
5:00 a.m. - 1:50 p.m.
OPO
-
LHR
8h 50m1 stop
C$ 275KLM
Mon, 2 Mar - Mon, 16 Mar
KLM Logo
6:30 a.m. - 3:25 p.m.
LHR
-
OPO
8h 55m1 stop
KLM Logo
11:15 a.m. - 8:50 p.m.
OPO
-
LHR
9h 35m1 stop
C$ 277KLM
Sat, 17 Jan - Mon, 19 Jan

TAP AIR PORTUGAL flights from London Heathrow Airport to Portugal

Our best TAP AIR PORTUGAL deals on London Heathrow Airport to Portugal flight tickets
TAP AIR PORTUGAL
12 Feb
LHR7:55 p.m.London Heathrow
2h 45m
LIS10:40 p.m.Lisbon Humberto Delgado
15 Feb
LIS4:05 p.m.Lisbon Humberto Delgado
2h 50m
LHR6:55 p.m.London Heathrow
C$ 220
Find similar
TAP AIR PORTUGAL
14 Mar
LHR7:55 p.m.London Heathrow
2h 45m
LIS10:40 p.m.Lisbon Humberto Delgado
20 Mar
LIS6:45 p.m.Lisbon Humberto Delgado
2h 50m
LHR9:35 p.m.London Heathrow
C$ 229
Find similar
TAP AIR PORTUGAL
2 Mar
LHR6:30 p.m.London Heathrow
2h 45m
LIS9:15 p.m.Lisbon Humberto Delgado
6 Mar
LIS2:40 p.m.Lisbon Humberto Delgado
2h 50m
LHR5:30 p.m.London Heathrow
C$ 233
Find similar

British Airways flights from London Heathrow Airport to Portugal

Our best British Airways deals on London Heathrow Airport to Portugal flight tickets
British Airways
8 Jan
LHR11:55 a.m.London Heathrow
2h 55m
LIS2:50 p.m.Lisbon Humberto Delgado
24 Jan
LIS11:05 a.m.Lisbon Humberto Delgado
2h 55m
LHR2:00 p.m.London Heathrow
C$ 230
Find similar
British Airways
19 Jan
LHR6:55 a.m.London Heathrow
2h 55m
LIS9:50 a.m.Lisbon Humberto Delgado
25 Jan
LIS7:05 a.m.Lisbon Humberto Delgado
3h 00m
LHR10:05 a.m.London Heathrow
C$ 231
Find similar
British Airways
7 Mar
LHR7:40 p.m.London Heathrow
2h 45m
LIS10:25 p.m.Lisbon Humberto Delgado
11 Mar
LIS6:35 p.m.Lisbon Humberto Delgado
2h 45m
LHR9:20 p.m.London Heathrow
C$ 245
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from London Heathrow Airport 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, momondo users made 96,600 searches. Data last updated 16 December 2025.
Use the filters below to find and compare flights from London Heathrow Airport to Portugal that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

LondonPorto

LHR - OPO

LHROPO

London Heathrow

Tue 6/1

6:50 p.m.-8:10 a.m.

1 stop13h 20m

Porto

Tue 13/1

8:05 p.m.-2:45 p.m.

1 stop18h 40m

C$ 204

LondonPorto

LHR - OPO

LHROPO

London Heathrow

Fri 9/1

6:50 p.m.-8:10 a.m.

1 stop13h 20m

Porto

Tue 13/1

8:05 p.m.-2:45 p.m.

1 stop18h 40m

C$ 216

LondonLisbon

LHR - LIS

LHRLIS

London Heathrow

Thu 12/2

7:55 p.m.-10:40 p.m.

Nonstop2h 45m

Lisbon Humberto Delgado

Sun 15/2

4:05 p.m.-6:55 p.m.

Nonstop2h 50m

C$ 220

LondonPorto

LHR - OPO

LHROPO

London Heathrow

Tue 13/1

8:50 p.m.-8:10 a.m.

1 stop11h 20m

Porto

Tue 20/1

9:55 p.m.-9:10 a.m.

1 stop11h 15m

C$ 227

LondonLisbon

LHR - LIS

LHRLIS

London Heathrow

Sat 14/3

7:55 p.m.-10:40 p.m.

Nonstop2h 45m

Lisbon Humberto Delgado

Fri 20/3

6:45 p.m.-9:35 p.m.

Nonstop2h 50m

C$ 229

LondonLisbon

LHR - LIS

LHRLIS

London Heathrow

Thu 8/1

11:55 a.m.-2:50 p.m.

Nonstop2h 55m

Lisbon Humberto Delgado

Sat 24/1

11:05 a.m.-2:00 p.m.

Nonstop2h 55m

C$ 230

LondonLisbon

LHR - LIS

LHRLIS

London Heathrow

Mon 19/1

6:55 a.m.-9:50 a.m.

Nonstop2h 55m

Lisbon Humberto Delgado

Sun 25/1

7:05 a.m.-10:05 a.m.

Nonstop3h 00m

C$ 231

LondonPorto

LHR - OPO

LHROPO

London Heathrow

Sun 22/2

8:50 p.m.-8:10 a.m.

1 stop11h 20m

Porto

Thu 26/2

8:05 p.m.-2:45 p.m.

1 stop18h 40m

C$ 231

LondonPorto

LHR - OPO

LHROPO

London Heathrow

Mon 2/3

10:00 a.m.-3:25 p.m.

1 stop5h 25m

Porto

Mon 16/3

5:00 a.m.-1:50 p.m.

1 stop8h 50m

C$ 275

LondonPorto

LHR - OPO

LHROPO

London Heathrow

Sat 17/1

6:30 a.m.-3:25 p.m.

1 stop8h 55m

Porto

Mon 19/1

11:15 a.m.-8:50 p.m.

1 stop9h 35m

C$ 277

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Portugal from

How to get the cheapest flight ticket from London Heathrow Airport to Portugal

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Portugal?

If you’re not able to fly to Portugal in January, then February is your next best option. Flight prices from London Heathrow Airport to Portugal during February average around C$ 252.

What is the cheapest day to depart on your flight to Portugal?

The cheapest day to depart from London Heathrow Airport to Portugal is on a Wednesday. Travellers who choose to depart for Portugal on a Wednesday will often find tickets for as low as C$ 387. Flights from London Heathrow Airport to Portugal on a Thursday will generally be more expensive and average around C$ 720. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

What is the cheapest time of day to depart on your flight to Portugal?

The cheapest time of day to fly to Portugal is at noon when flights can be purchased for as low as C$ 363. Try not to purchase tickets in the afternoon because they tend to be around C$ 720. Of course, these prices can vary depending on the time of year and what airport you fly to.

What is the cheapest London Heathrow to Portugal flight route?

Fly from London Heathrow to Lisbon Humberto Delgado for the best London Heathrow - Portugal flight prices

How far in advance should I book a flight to Portugal?

You are more likely to see cheaper flights to Portugal from London Heathrow Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Portugal for around C$ 361 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Portugal from London Heathrow Airport for as low as C$ 314 on momondo.

What cabin class options are available on London Heathrow to Portugal flights?

There are 3 cabin classes available to choose from on London Heathrow to Portugal flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on London Heathrow Airport to Portugal flights?

No. A direct flight is the cheapest option for a flight between London Heathrow Airport to Portugal.

Cheap London Heathrow Airport to Portugal flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from London Heathrow Airport to Portugal

Best price found

C$ 194

Fastest flight time

2h 45m

Direct flights

Every day

Airports in Portugal

99 airports
The best one-way flight to Portugal from London Heathrow Airport in the past 72 hours is C$ 194. The best round-trip flight deal from London Heathrow Airport to Portugal found on momondo in the last 72 hours is C$ 227.
The fastest flight from London Heathrow Airport to Portugal takes 2h 45m
Direct flights go from London Heathrow Airport to Portugal every day.
There are 99 airports in Portugal. From London Heathrow Airport there are direct flights to Lisbon Humberto Delgado (LIS).
Search flight deals

  • When did momondo last update prices for flights from London Heathrow Airport to Portugal?

    Prices for flights from London Heathrow Airport to Portugal are refreshed on a daily basis.

  • How many operators does momondo search for flights from London Heathrow Airport to Portugal?

  • How old do you have to be to fly from London Heathrow Airport to Portugal?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from London Heathrow Airport to Portugal.

  • What documentation or ID do you need to fly to Portugal?

    The travel and health documents required for your trip to Portugal can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Portugal. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

  • What is the most popular plane model from London Heathrow Airport to Portugal?

Best airlines flying from London Heathrow Airport to Portugal

Compare and see reviews for airlines that fly from London Heathrow Airport to Portugal with momondo
Airline
Rating
Free Cancellation
Price
British AirwaysPriceFrom C$ 194Free CancellationRating
6.7
7,580 reviews
Search British Airways flights
TAP AIR PORTUGALPriceFrom C$ 210Free CancellationRating
7.2
2,091 reviews
Search TAP AIR PORTUGAL flights

Why use momondo?

Why should I use momondo to find a flight deal from London to Portugal?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from London to Portugal for you.

Can I find flights from London to Portugal with flexible booking policies on momondo?

Flights from London to Portugal with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from London to Portugal?

Once you have performed a search for London to Portugal flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight from London to Portugal right now. Can momondo alert me if prices change?

If you are simply researching potential flights to Portugal, momondo offers a useful price alert feature which will track prices for flights to Portugal from London and alert you when they change.

An easier way to manage your Portugal trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
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Find better results for your trip to Portugal

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Popular flights according to clicks in the last 7 days on momondo
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