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Cheap flights from London Heathrow Airport to Portugal from C$ 151

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 2/6. 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

Enter your travel dates to find the best prices.
Vueling Logo
3:30 p.m. - 8:20 a.m.
LHR
-
LIS
16h 50m
1 stop
Vueling Logo
8:55 a.m. - 2:45 p.m.
LIS
-
LHR
5h 50m
1 stop
C$ 279Vueling
Wed, 3 Jun - Thu, 18 Jun
Vueling Logo
3:30 p.m. - 8:20 a.m.
LHR
-
LIS
16h 50m
1 stop
Vueling Logo
8:55 a.m. - 2:45 p.m.
LIS
-
LHR
5h 50m
1 stop
C$ 282Vueling
Wed, 10 Jun - Thu, 18 Jun
British Airways Logo
6:55 p.m. - 9:45 p.m.
LHR
-
LIS
2h 50mdirect
British Airways Logo
10:40 a.m. - 1:40 p.m.
LIS
-
LHR
3h 00mdirect
C$ 296British Airways
Mon, 26 Oct - Wed, 4 Nov
British Airways Logo
7:10 p.m. - 9:55 p.m.
LHR
-
LIS
2h 45mdirect
British Airways Logo
12:55 p.m. - 3:50 p.m.
LIS
-
LHR
2h 55mdirect
C$ 297British Airways
Tue, 27 Oct - Wed, 28 Oct
TAP AIR PORTUGAL Logo
6:00 a.m. - 8:50 a.m.
LHR
-
LIS
2h 50mdirect
TAP AIR PORTUGAL Logo
8:10 p.m. - 10:55 p.m.
LIS
-
LHR
2h 45mdirect
C$ 312TAP AIR PORTUGAL
Mon, 18 May - Sat, 23 May
TAP AIR PORTUGAL Logo
6:45 p.m. - 9:35 p.m.
LHR
-
LIS
2h 50mdirect
TAP AIR PORTUGAL Logo
7:15 p.m. - 10:05 p.m.
LIS
-
LHR
2h 50mdirect
C$ 313TAP AIR PORTUGAL
Wed, 3 Jun - Fri, 12 Jun
Multiple Airlines Logo
7:50 p.m. - 10:40 p.m.
LHR
-
LIS
2h 50mdirect
Multiple Airlines Logo
9:15 p.m. - 9:10 a.m.
LIS
-
LHR
11h 55m
1 stop
C$ 323Multiple Airlines
Mon, 18 May - Sat, 23 May
Multiple Airlines Logo
5:10 p.m. - 10:15 p.m.
LHR
-
OPO
5h 05m
1 stop
Multiple Airlines Logo
5:55 a.m. - 1:45 p.m.
OPO
-
LHR
7h 50m
1 stop
C$ 334Multiple Airlines
Wed, 27 May - Wed, 3 Jun
KLM Logo
5:10 p.m. - 10:15 p.m.
LHR
-
OPO
5h 05m
1 stop
KLM Logo
5:00 a.m. - 10:45 a.m.
OPO
-
LHR
5h 45m
1 stop
C$ 348KLM
Tue, 12 May - Fri, 15 May
KLM Logo
5:10 p.m. - 10:15 p.m.
LHR
-
OPO
5h 05m
1 stop
KLM Logo
5:00 a.m. - 10:45 a.m.
OPO
-
LHR
5h 45m
1 stop
C$ 352KLM
Wed, 27 May - Wed, 3 Jun

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Vueling flights from London Heathrow Airport to Portugal

Our best Vueling deals on London Heathrow Airport to Portugal flight tickets
Vueling
3 Jun
LHR3:30 p.m.London Heathrow
16h 50m
1 stop
LIS8:20 a.m.Lisbon Humberto Delgado
18 Jun
LIS8:55 a.m.Lisbon Humberto Delgado
5h 50m
1 stop
LHR2:45 p.m.London Heathrow
C$ 279
Vueling
10 Jun
LHR3:30 p.m.London Heathrow
16h 50m
1 stop
LIS8:20 a.m.Lisbon Humberto Delgado
18 Jun
LIS8:55 a.m.Lisbon Humberto Delgado
5h 50m
1 stop
LHR2:45 p.m.London Heathrow
C$ 282
Vueling
19 May
LHR8:50 p.m.London Heathrow
11h 10m
1 stop
OPO8:00 a.m.Porto
23 May
OPO10:00 p.m.Porto
11h 10m
1 stop
LHR9:10 a.m.London Heathrow
C$ 309

Brussels Airlines flights from London Heathrow Airport to Portugal

Our best Brussels Airlines deals on London Heathrow Airport to Portugal flight tickets
Brussels Airlines
4 Jun
LHR6:50 a.m.London Heathrow
12h 10m
1 stop
LIS7:00 p.m.Lisbon Humberto Delgado
10 Jun
LIS12:00 p.m.Lisbon Humberto Delgado
9h 35m
1 stop
LHR9:35 p.m.London Heathrow
C$ 387
Brussels Airlines
4 Jun
LHR11:05 a.m.London Heathrow
7h 55m
1 stop
LIS7:00 p.m.Lisbon Humberto Delgado
9 Jun
LIS12:00 p.m.Lisbon Humberto Delgado
5h 05m
1 stop
LHR5:05 p.m.London Heathrow
C$ 393
Brussels Airlines
6 Jun
LHR6:50 a.m.London Heathrow
9h 10m
1 stop
OPO4:00 p.m.Porto
10 Jun
OPO4:50 p.m.Porto
4h 45m
1 stop
LHR9:35 p.m.London Heathrow
C$ 402

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 30 April 2026.
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

Cheapest round-trip

LondonLisbon

LHR - LIS

LHRLIS

London Heathrow

Wed 3/6

3:30 p.m.-8:20 a.m.

1 stop16h 50m

Lisbon Humberto Delgado

Thu 18/6

8:55 a.m.-2:45 p.m.

1 stop5h 50m

C$ 279

LondonLisbon

LHR - LIS

LHRLIS

London Heathrow

Wed 10/6

3:30 p.m.-8:20 a.m.

1 stop16h 50m

Lisbon Humberto Delgado

Thu 18/6

8:55 a.m.-2:45 p.m.

1 stop5h 50m

C$ 282

LondonLisbon

LHR - LIS

LHRLIS

London Heathrow

Mon 26/10

6:55 p.m.-9:45 p.m.

Nonstop2h 50m

Lisbon Humberto Delgado

Wed 4/11

10:40 a.m.-1:40 p.m.

Nonstop3h 00m

C$ 296

LondonLisbon

LHR - LIS

LHRLIS

London Heathrow

Tue 27/10

7:10 p.m.-9:55 p.m.

Nonstop2h 45m

Lisbon Humberto Delgado

Wed 28/10

12:55 p.m.-3:50 p.m.

Nonstop2h 55m

C$ 297
Quickest round-trip

LondonLisbon

LHR - LIS

LHRLIS

London Heathrow

Mon 18/5

6:00 a.m.-8:50 a.m.

Nonstop2h 50m

Lisbon Humberto Delgado

Sat 23/5

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

Nonstop2h 45m

C$ 312

LondonLisbon

LHR - LIS

LHRLIS

London Heathrow

Wed 3/6

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

Nonstop2h 50m

Lisbon Humberto Delgado

Fri 12/6

7:15 p.m.-10:05 p.m.

Nonstop2h 50m

C$ 313

LondonLisbon

LHR - LIS

LHRLIS

London Heathrow

Mon 18/5

7:50 p.m.-10:40 p.m.

Nonstop2h 50m

Lisbon Humberto Delgado

Sat 23/5

9:15 p.m.-9:10 a.m.

1 stop11h 55m

C$ 323

LondonPorto

LHR - OPO

LHROPO

London Heathrow

Wed 27/5

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

1 stop5h 05m

Porto

Wed 3/6

5:55 a.m.-1:45 p.m.

1 stop7h 50m

C$ 334

LondonPorto

LHR - OPO

LHROPO

London Heathrow

Tue 12/5

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

1 stop5h 05m

Porto

Fri 15/5

5:00 a.m.-10:45 a.m.

1 stop5h 45m

C$ 348

LondonPorto

LHR - OPO

LHROPO

London Heathrow

Wed 27/5

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

1 stop5h 05m

Porto

Wed 3/6

5:00 a.m.-10:45 a.m.

1 stop5h 45m

C$ 352

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 February, then November is your next best option. Flight prices from London Heathrow Airport to Portugal during November average around C$ 294.

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$ 385. Flights from London Heathrow Airport to Portugal on a Thursday will generally be more expensive and average around C$ 719. 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$ 361. Try not to purchase tickets in the afternoon because they tend to be around C$ 715. 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 Faro for the best London Heathrow - Portugal flight prices

How far in advance should I book a flight from London Heathrow Airport 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$ 376 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$ 330 on momondo.

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$ 484

Fastest flight time

2h 50m

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$ 484. The best round-trip flight deal from London Heathrow Airport to Portugal found on momondo in the last 72 hours is C$ 405.
The fastest flight from London Heathrow Airport to Portugal takes 2h 50m
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

Frequently asked questions about flying from London Heathrow Airport to Portugal

  • 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
TAP AIR PORTUGALPriceFrom C$ 214Free CancellationRating
7.2
2,225 reviews
Search TAP AIR PORTUGAL flights
British AirwaysPriceFrom C$ 223Free CancellationRating
6.7
7,937 reviews
Search British Airways 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

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Find better results for your trip to Portugal

Popular Cities in Portugal

Popular flights according to clicks in the last 7 days on momondo
Flights to Lisbonfrom C$ 772
Flights to Portofrom C$ 792
Flights to Ponta Delgadafrom C$ 747
Flights to Funchalfrom C$ 789
Flights to Farofrom C$ 770
Flights to Lajesfrom C$ 769
Flights to Pico Islandfrom C$ 1,171
Flights to Velasfrom C$ 1,029
Flights to Hortafrom C$ 1,073