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Cheap flights from London Heathrow Airport to Portugal from C$ 124

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 30/8. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from London Heathrow Airport to Portugal

Cheap round-trip flights

British Airways Logo
7:00 a.m. - 9:55 a.m.LHR-LIS
2h 55mdirect
British Airways Logo
7:05 a.m. - 10:05 a.m.LIS-LHR
3h 00mdirect
C$ 230British Airways
Find Deal
Thu, 15 Jan - Fri, 23 Jan
TAP AIR PORTUGAL Logo
7:50 p.m. - 10:35 p.m.LHR-LIS
2h 45mdirect
TAP AIR PORTUGAL Logo
7:15 p.m. - 10:00 p.m.LIS-LHR
2h 45mdirect
C$ 232TAP AIR PORTUGAL
Find Deal
Sat, 20 Sep - Thu, 9 Oct
TAP AIR PORTUGAL Logo
6:00 a.m. - 8:40 a.m.LHR-LIS
2h 40mdirect
TAP AIR PORTUGAL Logo
8:15 p.m. - 10:55 p.m.LIS-LHR
2h 40mdirect
C$ 235TAP AIR PORTUGAL
Find Deal
Tue, 7 Oct - Tue, 14 Oct
Vueling Logo
3:05 p.m. - 8:15 a.m.LHR-LIS
17h 10m1 stop
Vueling Logo
8:10 p.m. - 2:45 p.m.LIS-LHR
18h 35m1 stop
C$ 240Vueling
Find Deal
Sat, 4 Oct - Mon, 6 Oct
British Airways Logo
2:45 p.m. - 5:40 p.m.LHR-LIS
2h 55mdirect
British Airways Logo
6:40 p.m. - 9:25 p.m.LIS-LHR
2h 45mdirect
C$ 255British Airways
Find Deal
Thu, 15 Jan - Sun, 18 Jan
Lufthansa Logo
7:25 a.m. - 9:50 p.m.LHR-LIS
14h 25m1 stop
Lufthansa Logo
2:10 p.m. - 9:00 p.m.LIS-LHR
6h 50m1 stop
C$ 261Lufthansa
Find Deal
Tue, 26 Aug - Sun, 30 Nov
Lufthansa Logo
8:45 a.m. - 11:30 p.m.LHR-LIS
14h 45m1 stop
Lufthansa Logo
2:10 p.m. - 9:00 p.m.LIS-LHR
6h 50m1 stop
C$ 262Lufthansa
Find Deal
Thu, 20 Nov - Tue, 25 Nov
Vueling Logo
8:50 p.m. - 8:30 a.m.LHR-LIS
11h 40m1 stop
Vueling Logo
10:05 p.m. - 9:10 a.m.LIS-LHR
11h 05m1 stop
C$ 268Vueling
Find Deal
Sat, 27 Sep - Tue, 30 Sep
KLM Logo
8:40 a.m. - 3:25 p.m.LHR-OPO
6h 45m1 stop
KLM Logo
4:10 p.m. - 8:50 p.m.OPO-LHR
4h 40m1 stop
C$ 290KLM
Find Deal
Sat, 10 Jan - Wed, 14 Jan
KLM Logo
10:00 a.m. - 3:25 p.m.LHR-OPO
5h 25m1 stop
KLM Logo
4:10 p.m. - 8:50 p.m.OPO-LHR
4h 40m1 stop
C$ 292KLM
Find Deal
Fri, 9 Jan - Wed, 14 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
20 Sep
LHR7:50 p.m.London Heathrow
2h 45m
LIS10:35 p.m.Lisbon Humberto Delgado
9 Oct
LIS7:15 p.m.Lisbon Humberto Delgado
2h 45m
LHR10:00 p.m.London Heathrow
C$ 232
Find similar
TAP AIR PORTUGAL
7 Oct
LHR6:00 a.m.London Heathrow
2h 40m
LIS8:40 a.m.Lisbon Humberto Delgado
14 Oct
LIS8:15 p.m.Lisbon Humberto Delgado
2h 40m
LHR10:55 p.m.London Heathrow
C$ 234
Find similar
TAP AIR PORTUGAL
20 Sep
LHR7:50 p.m.London Heathrow
2h 45m
LIS10:35 p.m.Lisbon Humberto Delgado
9 Oct
LIS8:10 p.m.Lisbon Humberto Delgado
2h 45m
LHR10:55 p.m.London Heathrow
C$ 236
Find similar

Lufthansa flights from London Heathrow Airport to Portugal

Our best Lufthansa deals on London Heathrow Airport to Portugal flight tickets
Lufthansa
26 Aug
LHR7:25 a.m.London Heathrow
14h 25m
1 stop
LIS9:50 p.m.Lisbon Humberto Delgado
30 Nov
LIS2:10 p.m.Lisbon Humberto Delgado
6h 50m
1 stop
LHR9:00 p.m.London Heathrow
C$ 261
Find similar
Lufthansa
20 Nov
LHR8:45 a.m.London Heathrow
14h 45m
1 stop
LIS11:30 p.m.Lisbon Humberto Delgado
25 Nov
LIS2:10 p.m.Lisbon Humberto Delgado
6h 50m
1 stop
LHR9:00 p.m.London Heathrow
C$ 262
Find similar
Lufthansa
20 Nov
LHR6:35 a.m.London Heathrow
16h 55m
1 stop
LIS11:30 p.m.Lisbon Humberto Delgado
25 Nov
LIS2:10 p.m.Lisbon Humberto Delgado
8h 45m
1 stop
LHR10:55 p.m.London Heathrow
C$ 263
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 31 July 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

LondonLisbon

LHR - LIS

LHRLIS

London Heathrow

Thu 15/1

7:00 a.m.-9:55 a.m.

Nonstop2h 55m

Lisbon Humberto Delgado

Fri 23/1

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

Nonstop3h 00m

C$ 230

LondonLisbon

LHR - LIS

LHRLIS

London Heathrow

Sat 20/9

7:50 p.m.-10:35 p.m.

Nonstop2h 45m

Lisbon Humberto Delgado

Thu 9/10

7:15 p.m.-10:00 p.m.

Nonstop2h 45m

C$ 232

LondonLisbon

LHR - LIS

LHRLIS

London Heathrow

Tue 7/10

6:00 a.m.-8:40 a.m.

Nonstop2h 40m

Lisbon Humberto Delgado

Tue 14/10

8:15 p.m.-10:55 p.m.

Nonstop2h 40m

C$ 234

LondonLisbon

LHR - LIS

LHRLIS

London Heathrow

Sat 4/10

3:05 p.m.-8:15 a.m.

1 stop17h 10m

Lisbon Humberto Delgado

Mon 6/10

8:10 p.m.-2:45 p.m.

1 stop18h 35m

C$ 240

LondonLisbon

LHR - LIS

LHRLIS

London Heathrow

Thu 15/1

2:45 p.m.-5:40 p.m.

Nonstop2h 55m

Lisbon Humberto Delgado

Sun 18/1

6:40 p.m.-9:25 p.m.

Nonstop2h 45m

C$ 255

LondonLisbon

LHR - LIS

LHRLIS

London Heathrow

Tue 26/8

7:25 a.m.-9:50 p.m.

1 stop14h 25m

Lisbon Humberto Delgado

Sun 30/11

2:10 p.m.-9:00 p.m.

1 stop6h 50m

C$ 261

LondonLisbon

LHR - LIS

LHRLIS

London Heathrow

Thu 20/11

8:45 a.m.-11:30 p.m.

1 stop14h 45m

Lisbon Humberto Delgado

Tue 25/11

2:10 p.m.-9:00 p.m.

1 stop6h 50m

C$ 262

LondonLisbon

LHR - LIS

LHRLIS

London Heathrow

Sat 27/9

8:50 p.m.-8:30 a.m.

1 stop11h 40m

Lisbon Humberto Delgado

Tue 30/9

10:05 p.m.-9:10 a.m.

1 stop11h 05m

C$ 268

LondonPorto

LHR - OPO

LHROPO

London Heathrow

Sat 10/1

8:40 a.m.-3:25 p.m.

1 stop6h 45m

Porto

Wed 14/1

4:10 p.m.-8:50 p.m.

1 stop4h 40m

C$ 290

LondonPorto

LHR - OPO

LHROPO

London Heathrow

Fri 9/1

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

1 stop5h 25m

Porto

Wed 14/1

4:10 p.m.-8:50 p.m.

1 stop4h 40m

C$ 292

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$ 248.

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 Tuesday. Travellers who choose to depart for Portugal on a Tuesday will often find tickets for as low as C$ 403. Flights from London Heathrow Airport to Portugal on a Saturday will generally be more expensive and average around C$ 583. 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 in the evening when flights can be purchased for as low as C$ 416. Try not to purchase tickets in the afternoon because they tend to be around C$ 504. 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$ 363 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$ 299 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?

You could potentially save up to 37% on your flight if you consider stops on a London Heathrow Airport to Portugal flight.

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$ 124

Fastest flight time

2h 40m

Direct flights

Every day

Airports in Portugal

2 airports
The best one-way flight to Portugal from London Heathrow Airport in the past 72 hours is C$ 124. The best round-trip flight deal from London Heathrow Airport to Portugal found on momondo in the last 72 hours is C$ 230.
The fastest flight from London Heathrow Airport to Portugal takes 2h 40m
Direct flights go from London Heathrow Airport to Portugal every day.
There are 2 airports near Portugal: Lisbon Humberto Delgado (LIS), Porto (OPO)
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  • 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$ 167Free CancellationRating
6.6
7,222 reviews
Search British Airways flights
TAP AIR PORTUGALPriceFrom C$ 210Free CancellationRating
7.1
1,933 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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