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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 18/4. 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
9:55 a.m. - 5:15 p.m.
LHR
-
LIS
7h 20m
1 stop
Vueling Logo
9:15 p.m. - 9:10 a.m.
LIS
-
LHR
11h 55m
1 stop
C$ 231Vueling
Sat, 18 Apr - Fri, 24 Apr
British Airways Logo
7:40 p.m. - 10:25 p.m.
LHR
-
LIS
2h 45mdirect
British Airways Logo
6:35 p.m. - 9:20 p.m.
LIS
-
LHR
2h 45mdirect
C$ 232British Airways
Sat, 21 Feb - Wed, 4 Mar
British Airways Logo
7:00 a.m. - 9:55 a.m.
LHR
-
LIS
2h 55mdirect
British Airways Logo
12:55 p.m. - 3:50 p.m.
LIS
-
LHR
2h 55mdirect
C$ 234British Airways
Thu, 12 Feb - Wed, 25 Feb
British Airways Logo
7:45 p.m. - 10:30 p.m.
LHR
-
LIS
2h 45mdirect
British Airways Logo
12:55 p.m. - 3:50 p.m.
LIS
-
LHR
2h 55mdirect
C$ 235British Airways
Sun, 22 Feb - Thu, 5 Mar
Multiple Airlines Logo
9:55 a.m. - 5:15 p.m.
LHR
-
LIS
7h 20m
1 stop
Multiple Airlines Logo
8:10 p.m. - 10:55 p.m.
LIS
-
LHR
2h 45mdirect
C$ 236Multiple Airlines
Sat, 18 Apr - Fri, 24 Apr
TAP AIR PORTUGAL Logo
7:55 p.m. - 10:40 p.m.
LHR
-
LIS
2h 45mdirect
TAP AIR PORTUGAL Logo
7:50 p.m. - 10:40 p.m.
LIS
-
LHR
2h 50mdirect
C$ 240TAP AIR PORTUGAL
Sat, 21 Feb - Sat, 28 Feb
TAP AIR PORTUGAL Logo
7:55 p.m. - 10:40 p.m.
LHR
-
LIS
2h 45mdirect
TAP AIR PORTUGAL Logo
2:40 p.m. - 5:30 p.m.
LIS
-
LHR
2h 50mdirect
C$ 242TAP AIR PORTUGAL
Sat, 7 Mar - Wed, 11 Mar
KLM Logo
11:45 a.m. - 6:50 p.m.
LHR
-
OPO
7h 05m
1 stop
KLM Logo
4:10 p.m. - 8:50 p.m.
OPO
-
LHR
4h 40m
1 stop
C$ 276KLM
Tue, 3 Mar - Wed, 11 Mar
KLM Logo
10:00 a.m. - 3:25 p.m.
LHR
-
OPO
5h 25m
1 stop
KLM Logo
4:10 p.m. - 8:50 p.m.
OPO
-
LHR
4h 40m
1 stop
C$ 277KLM
Thu, 5 Mar - Tue, 10 Mar
Multiple Airlines Logo
8:25 p.m. - 10:30 a.m.
LHR
-
OPO
14h 05m
1 stop
Multiple Airlines Logo
11:25 a.m. - 6:20 p.m.
OPO
-
LHR
6h 55m
1 stop
C$ 284Multiple Airlines
Mon, 2 Mar - Mon, 16 Mar

British Airways flights from London Heathrow Airport to Portugal

Our best British Airways deals on London Heathrow Airport to Portugal flight tickets
British Airways
21 Feb
LHR7:40 p.m.London Heathrow
2h 45m
LIS10:25 p.m.Lisbon Humberto Delgado
4 Mar
LIS6:35 p.m.Lisbon Humberto Delgado
2h 45m
LHR9:20 p.m.London Heathrow
C$ 232
British Airways
12 Feb
LHR7:00 a.m.London Heathrow
2h 55m
LIS9:55 a.m.Lisbon Humberto Delgado
25 Feb
LIS12:55 p.m.Lisbon Humberto Delgado
2h 55m
LHR3:50 p.m.London Heathrow
C$ 234
British Airways
22 Feb
LHR7:45 p.m.London Heathrow
2h 45m
LIS10:30 p.m.Lisbon Humberto Delgado
5 Mar
LIS12:55 p.m.Lisbon Humberto Delgado
2h 55m
LHR3:50 p.m.London Heathrow
C$ 235

Vueling flights from London Heathrow Airport to Portugal

Our best Vueling deals on London Heathrow Airport to Portugal flight tickets
Vueling
18 Apr
LHR9:55 a.m.London Heathrow
7h 20m
1 stop
LIS5:15 p.m.Lisbon Humberto Delgado
24 Apr
LIS9:15 p.m.Lisbon Humberto Delgado
11h 55m
1 stop
LHR9:10 a.m.London Heathrow
C$ 231
Vueling
18 Apr
LHR9:55 a.m.London Heathrow
8h 45m
1 stop
LIS6:40 p.m.Lisbon Humberto Delgado
25 Apr
LIS2:00 p.m.Lisbon Humberto Delgado
6h 05m
1 stop
LHR8:05 p.m.London Heathrow
C$ 303

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 29 January 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

LondonLisbon

LHR - LIS

LHRLIS

London Heathrow

Sat 18/4

9:55 a.m.-5:15 p.m.

1 stop7h 20m

Lisbon Humberto Delgado

Fri 24/4

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

1 stop11h 55m

C$ 231

LondonLisbon

LHR - LIS

LHRLIS

London Heathrow

Sat 21/2

7:40 p.m.-10:25 p.m.

Nonstop2h 45m

Lisbon Humberto Delgado

Wed 4/3

6:35 p.m.-9:20 p.m.

Nonstop2h 45m

C$ 232

LondonLisbon

LHR - LIS

LHRLIS

London Heathrow

Thu 12/2

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

Nonstop2h 55m

Lisbon Humberto Delgado

Wed 25/2

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

Nonstop2h 55m

C$ 234

LondonLisbon

LHR - LIS

LHRLIS

London Heathrow

Sun 22/2

7:45 p.m.-10:30 p.m.

Nonstop2h 45m

Lisbon Humberto Delgado

Thu 5/3

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

Nonstop2h 55m

C$ 235

LondonLisbon

LHR - LIS

LHRLIS

London Heathrow

Sat 18/4

9:55 a.m.-5:15 p.m.

1 stop7h 20m

Lisbon Humberto Delgado

Fri 24/4

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

Nonstop2h 45m

C$ 236

LondonLisbon

LHR - LIS

LHRLIS

London Heathrow

Sat 21/2

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

Nonstop2h 45m

Lisbon Humberto Delgado

Sat 28/2

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

Nonstop2h 50m

C$ 240

LondonLisbon

LHR - LIS

LHRLIS

London Heathrow

Sat 7/3

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

Nonstop2h 45m

Lisbon Humberto Delgado

Wed 11/3

2:40 p.m.-5:30 p.m.

Nonstop2h 50m

C$ 242

LondonPorto

LHR - OPO

LHROPO

London Heathrow

Tue 3/3

11:45 a.m.-6:50 p.m.

1 stop7h 05m

Porto

Wed 11/3

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

1 stop4h 40m

C$ 276

LondonPorto

LHR - OPO

LHROPO

London Heathrow

Thu 5/3

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

1 stop5h 25m

Porto

Tue 10/3

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

1 stop4h 40m

C$ 277

LondonPorto

LHR - OPO

LHROPO

London Heathrow

Mon 2/3

8:25 p.m.-10:30 a.m.

1 stop14h 05m

Porto

Mon 16/3

11:25 a.m.-6:20 p.m.

1 stop6h 55m

C$ 284

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 January is your next best option. Flight prices from London Heathrow Airport to Portugal during January average around C$ 251.

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$ 382. Flights from London Heathrow Airport to Portugal on a Thursday will generally be more expensive and average around C$ 710. 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$ 368. Try not to purchase tickets in the afternoon because they tend to be around C$ 710. 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$ 357 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$ 315 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$ 199

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$ 199. The best round-trip flight deal from London Heathrow Airport to Portugal found on momondo in the last 72 hours is C$ 222.
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$ 192Free CancellationRating
6.7
7,705 reviews
Search British Airways flights
TAP AIR PORTUGALPriceFrom C$ 202Free CancellationRating
7.1
2,130 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

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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
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