Latest deals
Insights
When to book
FAQs
Price Alerts

Cheap flights from London Heathrow Airport to Porto from C$ 103

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 Porto departing on 27/4. 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
1 adult, Economy, 0 bags

Save money when you book flights with momondo

Big names, great deals

Big names, great deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Early arrival? Instantly customize your results

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Find the cheapest flights from London Heathrow Airport to Porto

Cheap round-trip flights

Enter your travel dates to find the best prices.
Lufthansa Logo
9:00 a.m. - 11:25 p.m.
LHR
-
OPO
14h 25m
1 stop
Lufthansa Logo
6:20 a.m. - 3:40 p.m.
OPO
-
LHR
9h 20m
1 stop
C$ 249Lufthansa
Thu, 9 Apr - Wed, 15 Apr
Multiple Airlines Logo
11:45 a.m. - 7:15 p.m.
LHR
-
OPO
7h 30m
1 stop
Multiple Airlines Logo
5:55 a.m. - 4:35 p.m.
OPO
-
LHR
10h 40m
1 stop
C$ 277Multiple Airlines
Fri, 10 Apr - Fri, 24 Apr
Multiple Airlines Logo
2:45 p.m. - 10:15 p.m.
LHR
-
OPO
7h 30m
1 stop
Multiple Airlines Logo
6:15 a.m. - 4:35 p.m.
OPO
-
LHR
10h 20m
1 stop
C$ 278Multiple Airlines
Tue, 14 Apr - Tue, 28 Apr
Multiple Airlines Logo
5:10 p.m. - 10:15 p.m.
LHR
-
OPO
5h 05m
1 stop
Multiple Airlines Logo
6:15 a.m. - 1:45 p.m.
OPO
-
LHR
7h 30m
1 stop
C$ 285Multiple Airlines
Tue, 14 Apr - Tue, 28 Apr
Vueling Logo
9:55 a.m. - 4:10 p.m.
LHR
-
OPO
6h 15m
1 stop
Vueling Logo
1:45 p.m. - 8:05 p.m.
OPO
-
LHR
6h 20m
1 stop
C$ 289Vueling
Tue, 28 Apr - Thu, 7 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$ 292Multiple Airlines
Tue, 14 Apr - Fri, 17 Apr
Vueling Logo
9:55 a.m. - 4:10 p.m.
LHR
-
OPO
6h 15m
1 stop
Vueling Logo
2:05 p.m. - 8:05 p.m.
OPO
-
LHR
6h 00m
1 stop
C$ 296Vueling
Tue, 12 May - Wed, 13 May
Multiple Airlines Logo
11:45 a.m. - 6:10 p.m.
LHR
-
OPO
6h 25m
1 stop
Multiple Airlines Logo
5:55 a.m. - 1:45 p.m.
OPO
-
LHR
7h 50m
1 stop
C$ 315Multiple Airlines
Sat, 27 Jun - Thu, 2 Jul
TAP AIR PORTUGAL Logo
11:20 a.m. - 5:00 p.m.
LHR
-
OPO
5h 40m
1 stop
TAP AIR PORTUGAL Logo
10:30 p.m. - 12:45 p.m.
OPO
-
LHR
14h 15m
1 stop
C$ 316TAP AIR PORTUGAL
Sun, 12 Apr - Sun, 19 Apr
TAP AIR PORTUGAL Logo
1:45 p.m. - 11:00 p.m.
LHR
-
OPO
9h 15m
1 stop
TAP AIR PORTUGAL Logo
10:30 p.m. - 10:20 a.m.
OPO
-
LHR
11h 50m
1 stop
C$ 320TAP AIR PORTUGAL
Fri, 10 Apr - Tue, 14 Apr

Brussels Airlines flights from London Heathrow Airport to Porto

Our best Brussels Airlines deals on London Heathrow Airport to Porto flight tickets
Brussels Airlines
18 Jun
LHR6:50 a.m.London Heathrow
10h 45m
1 stop
OPO5:35 p.m.Porto
20 Jun
OPO12:55 p.m.Porto
8h 40m
1 stop
LHR9:35 p.m.London Heathrow
C$ 338
Brussels Airlines
18 Jun
LHR6:50 a.m.London Heathrow
10h 45m
1 stop
OPO5:35 p.m.Porto
20 Jun
OPO12:55 p.m.Porto
8h 40m
1 stop
LHR9:35 p.m.London Heathrow
C$ 364
Brussels Airlines
18 Jun
LHR6:50 a.m.London Heathrow
10h 45m
1 stop
OPO5:35 p.m.Porto
20 Jun
OPO12:55 p.m.Porto
8h 40m
1 stop
LHR9:35 p.m.London Heathrow
C$ 368

Vueling flights from London Heathrow Airport to Porto

Our best Vueling deals on London Heathrow Airport to Porto flight tickets
Vueling
28 Apr
LHR9:55 a.m.London Heathrow
6h 15m
1 stop
OPO4:10 p.m.Porto
7 May
OPO1:45 p.m.Porto
6h 20m
1 stop
LHR8:05 p.m.London Heathrow
C$ 289
Vueling
12 May
LHR9:55 a.m.London Heathrow
6h 15m
1 stop
OPO4:10 p.m.Porto
13 May
OPO2:05 p.m.Porto
6h 00m
1 stop
LHR8:05 p.m.London Heathrow
C$ 296

momondo Fare Finder

 
Customize your flight search to find flights from London Heathrow Airport to Porto 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 17 March 2026.
Use the filters below to find and compare flights from London Heathrow Airport to Porto that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

LondonPorto

LHR - OPO

LHROPO

London Heathrow

Thu 9/4

9:00 a.m.-11:25 p.m.

1 stop14h 25m

Porto

Wed 15/4

6:20 a.m.-3:40 p.m.

1 stop9h 20m

C$ 249

LondonPorto

LHR - OPO

LHROPO

London Heathrow

Fri 10/4

11:45 a.m.-7:15 p.m.

1 stop7h 30m

Porto

Fri 24/4

5:55 a.m.-4:35 p.m.

1 stop10h 40m

C$ 277

LondonPorto

LHR - OPO

LHROPO

London Heathrow

Tue 14/4

2:45 p.m.-10:15 p.m.

1 stop7h 30m

Porto

Tue 28/4

6:15 a.m.-4:35 p.m.

1 stop10h 20m

C$ 278

LondonPorto

LHR - OPO

LHROPO

London Heathrow

Tue 14/4

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

1 stop5h 05m

Porto

Tue 28/4

6:15 a.m.-1:45 p.m.

1 stop7h 30m

C$ 285

LondonPorto

LHR - OPO

LHROPO

London Heathrow

Tue 28/4

9:55 a.m.-4:10 p.m.

1 stop6h 15m

Porto

Thu 7/5

1:45 p.m.-8:05 p.m.

1 stop6h 20m

C$ 289

LondonPorto

LHR - OPO

LHROPO

London Heathrow

Tue 14/4

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

1 stop5h 05m

Porto

Fri 17/4

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

1 stop7h 50m

C$ 292
Quickest round-trip

LondonPorto

LHR - OPO

LHROPO

London Heathrow

Tue 12/5

9:55 a.m.-4:10 p.m.

1 stop6h 15m

Porto

Wed 13/5

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

1 stop6h 00m

C$ 296

LondonPorto

LHR - OPO

LHROPO

London Heathrow

Sat 27/6

11:45 a.m.-6:10 p.m.

1 stop6h 25m

Porto

Thu 2/7

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

1 stop7h 50m

C$ 315

LondonPorto

LHR - OPO

LHROPO

London Heathrow

Sun 12/4

11:20 a.m.-5:00 p.m.

1 stop5h 40m

Porto

Sun 19/4

10:30 p.m.-12:45 p.m.

1 stop14h 15m

C$ 316

LondonPorto

LHR - OPO

LHROPO

London Heathrow

Fri 10/4

1:45 p.m.-11:00 p.m.

1 stop9h 15m

Porto

Tue 14/4

10:30 p.m.-10:20 a.m.

1 stop11h 50m

C$ 320

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

See travel insights to Porto from

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

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 Porto?

In general, January is the cheapest month to fly from London Heathrow Airport to Porto. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around C$ 272. If you’re not able to fly to Porto in January, then November is your next best option. Flight prices from London Heathrow Airport to Porto during November average around C$ 300.

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

The cheapest day to depart from London Heathrow Airport to Porto is on a Saturday. Travellers who choose to depart for Porto on a Saturday will often find tickets for as low as C$ 208. If your travel schedule is flexible, try to avoid departing on a Friday because tickets tend to average around C$ 855. These prices are subject to change though, so be sure to set up a Price Alert for flights to Porto.

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

In the afternoon is the cheapest time of day to fly from London Heathrow Airport to Porto when you can find flight prices for as low as C$ 208. Flying to Porto in the afternoon is an ideal time because this is during off-peak travel hours. Try not to purchase tickets in the evening because they tend to be around C$ 338. Of course, these prices can vary depending on the time of year and what airport you fly to.

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

You are more likely to see cheaper flights to Porto from London Heathrow Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Porto for around C$ 394 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Porto from London Heathrow Airport for as low as C$ 301 on momondo.

How have London Heathrow Airport to Porto flight prices changed over time?

As of March 2026, prices for London Heathrow Airport to Porto flights are approximately 1% cheaper when compared to flights at the same time last year.

When to book flights from London Heathrow Airport to Porto

Are you open to changing your travel dates? Check out the ideal times to fly from London Heathrow Airport to Porto according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap London Heathrow Airport to Porto (LHR to OPO) flight deals and tips

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

Fastest flight time

5h 15m

Direct flights

None
The fastest flight from London Heathrow Airport to Porto takes 5h 15m
There are no direct flights from London Heathrow Airport to Porto. There are no popular flight routes from London Heathrow Airport to Porto.
Search flight deals

  • How far is London Heathrow to Porto by plane?

    The distance between London Heathrow and Porto is about 1304.5 km. 5h 15m is a normal flight duration for this route.

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

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

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

    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 Porto Airport.

  • What documentation or ID do you need to fly to Porto Airport?

    The necessary travel and health documents for your Porto Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Travelling to a place near Porto?

Book flights to Porto if you plan to visit one of these locations
Matosinhos
Aveiro
Coimbra
Pinhao
Braga
Vila Nova de Gaia
Guimarães
Espinho
Lamego
Caminha
Mira

Why use momondo?

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

It is quick and easy to find London to Porto flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Porto that suits you.

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

Flights from London to Porto 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 Porto?

Once you have performed a search for London to Porto 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 Porto right now. Can momondo alert me if prices change?

Price alerts on flights to Porto from London are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

An easier way to manage your Porto 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.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Thu 16/4
Thu 23/4
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Portugal