Latest deals
Insights
When to book
FAQs
Reviews
Price Alerts

Cheap flights from London Heathrow Airport to Porto from $76

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 11/3. 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
0 bags

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? 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

Vueling Logo
6:50 pm - 8:10 amLHR-OPO
13h 20m1 stop
Vueling Logo
9:55 pm - 9:10 amOPO-LHR
11h 15m1 stop
$182Vueling
Find Deal
Wed, Nov 26 - Mon, Dec 1
Logo
3:05 pm - 9:50 pmLHR-OPO
6h 45m1 stop
Logo
10:00 pm - 9:10 amOPO-LHR
11h 10m1 stop
$194
Find Deal
Mon, Sep 22 - Wed, Oct 22
Logo
8:40 am - 3:25 pmLHR-OPO
6h 45m1 stop
Logo
11:25 am - 6:20 pmOPO-LHR
6h 55m1 stop
$205
Find Deal
Sat, Nov 1 - Sat, Nov 15
TAP AIR PORTUGAL Logo
8:00 am - 5:00 pmLHR-OPO
9h 00m1 stop
TAP AIR PORTUGAL Logo
11:00 am - 5:45 pmOPO-LHR
6h 45m1 stop
$207TAP AIR PORTUGAL
Find Deal
Sun, Sep 14 - Wed, Sep 24
KLM Logo
8:40 am - 3:25 pmLHR-OPO
6h 45m1 stop
KLM Logo
4:10 pm - 8:50 pmOPO-LHR
4h 40m1 stop
$210KLM
Find Deal
Sat, Jan 10 - Wed, Jan 14
TAP AIR PORTUGAL Logo
1:45 pm - 11:00 pmLHR-OPO
9h 15m1 stop
TAP AIR PORTUGAL Logo
10:00 am - 5:45 pmOPO-LHR
7h 45m1 stop
$212TAP AIR PORTUGAL
Find Deal
Mon, Sep 8 - Wed, Sep 10
British Airways Logo
5:00 pm - 7:40 amLHR-OPO
14h 40m1 stop
British Airways Logo
8:40 pm - 12:05 pmOPO-LHR
15h 25m1 stop
$230British Airways
Find Deal
Fri, Jan 9 - Fri, Jan 16
British Airways Logo
7:30 am - 7:40 amLHR-OPO
24h 10m1 stop
British Airways Logo
8:40 pm - 12:05 pmOPO-LHR
15h 25m1 stop
$238British Airways
Find Deal
Tue, Dec 9 - Fri, Dec 12
Lufthansa Logo
6:35 am - 12:50 pmLHR-OPO
6h 15m1 stop
Lufthansa Logo
1:45 pm - 7:35 pmOPO-LHR
5h 50m1 stop
$240Lufthansa
Find Deal
Wed, Dec 10 - Tue, Dec 16
Lufthansa Logo
6:35 am - 1:10 pmLHR-OPO
6h 35m1 stop
Lufthansa Logo
1:45 pm - 7:35 pmOPO-LHR
5h 50m1 stop
$243Lufthansa
Find Deal
Thu, Jan 8 - Sat, Jan 10

Brussels Airlines flights from London Heathrow Airport to Porto

Our best Brussels Airlines deals on London Heathrow Airport to Porto flight tickets
Brussels Airlines
Aug 27
LHR11:05 amLondon Heathrow
4h 55m
1 stop
OPO4:00 pmPorto
Sep 6
OPO10:10 amPorto
10h 45m
1 stop
LHR8:55 pmLondon Heathrow
$252
Find similar
Brussels Airlines
Jan 7
LHR6:50 amLondon Heathrow
5h 15m
1 stop
OPO12:05 pmPorto
Jan 15
OPO12:55 pmPorto
8h 25m
1 stop
LHR9:20 pmLondon Heathrow
$254
Find similar
Brussels Airlines
Aug 26
LHR7:45 amLondon Heathrow
4h 20m
1 stop
OPO12:05 pmPorto
Sep 2
OPO7:40 pmPorto
25h 15m
1 stop
LHR8:55 pmLondon Heathrow
$265
Find similar

Lufthansa flights from London Heathrow Airport to Porto

Our best Lufthansa deals on London Heathrow Airport to Porto flight tickets
Lufthansa
Dec 10
LHR6:35 amLondon Heathrow
6h 15m
1 stop
OPO12:50 pmPorto
Dec 16
OPO1:45 pmPorto
5h 50m
1 stop
LHR7:35 pmLondon Heathrow
$240
Find similar
Lufthansa
Jan 8
LHR6:35 amLondon Heathrow
6h 35m
1 stop
OPO1:10 pmPorto
Jan 10
OPO1:45 pmPorto
5h 50m
1 stop
LHR7:35 pmLondon Heathrow
$243
Find similar
Lufthansa
Jan 8
LHR6:35 amLondon Heathrow
6h 35m
1 stop
OPO1:10 pmPorto
Jan 15
OPO12:30 pmPorto
6h 20m
1 stop
LHR6:50 pmLondon Heathrow
$250
Find similar

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 832,500 searches. Data last updated July 31, 2025.
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

LondonPorto

LHR - OPO

LHROPO

London Heathrow

Wed 11/26

6:50 pm-8:10 am

1 stop13h 20m

Porto

Mon 12/1

9:55 pm-9:10 am

1 stop11h 15m

$182

LondonPorto

LHR - OPO

LHROPO

London Heathrow

Mon 9/22

3:05 pm-9:50 pm

1 stop6h 45m

Porto

Wed 10/22

10:00 pm-9:10 am

1 stop11h 10m

$194

LondonPorto

LHR - OPO

LHROPO

London Heathrow

Sat 11/1

8:40 am-3:25 pm

1 stop6h 45m

Porto

Sat 11/15

11:25 am-6:20 pm

1 stop6h 55m

$205

LondonPorto

LHR - OPO

LHROPO

London Heathrow

Sun 9/14

8:00 am-5:00 pm

1 stop9h 00m

Porto

Wed 9/24

11:00 am-5:45 pm

1 stop6h 45m

$207

LondonPorto

LHR - OPO

LHROPO

London Heathrow

Sat 1/10

8:40 am-3:25 pm

1 stop6h 45m

Porto

Wed 1/14

4:10 pm-8:50 pm

1 stop4h 40m

$210

LondonPorto

LHR - OPO

LHROPO

London Heathrow

Mon 9/8

1:45 pm-11:00 pm

1 stop9h 15m

Porto

Wed 9/10

10:00 am-5:45 pm

1 stop7h 45m

$212

LondonPorto

LHR - OPO

LHROPO

London Heathrow

Fri 1/9

5:00 pm-7:40 am

1 stop14h 40m

Porto

Fri 1/16

8:40 pm-12:05 pm

1 stop15h 25m

$230

LondonPorto

LHR - OPO

LHROPO

London Heathrow

Tue 12/9

7:30 am-7:40 am

1 stop24h 10m

Porto

Fri 12/12

8:40 pm-12:05 pm

1 stop15h 25m

$238

LondonPorto

LHR - OPO

LHROPO

London Heathrow

Wed 12/10

6:35 am-12:50 pm

1 stop6h 15m

Porto

Tue 12/16

1:45 pm-7:35 pm

1 stop5h 50m

$240

LondonPorto

LHR - OPO

LHROPO

London Heathrow

Thu 1/8

6:35 am-1:10 pm

1 stop6h 35m

Porto

Sat 1/10

1:45 pm-7:35 pm

1 stop5h 50m

$243

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 typical price of a round-trip flight between London Heathrow Airport and Porto?

What is the cheapest month to fly to Porto?

The month of January is, on average, the cheapest month to fly to Porto from London Heathrow Airport, with most prices found around $194. If you aren’t able to travel during the month of January, then book flights to Porto from London Heathrow Airport during November instead. Flights to Porto in November, while not as cheap as those in January, still average around $200.

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

The cheapest day to depart on your flight to Porto is on a Tuesday when prices can be found for as low as $200. This is often the case because there is less demand to fly during this day of the week. If your travel schedule is flexible, try to avoid departing on a Wednesday because tickets tend to average around $317. 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?

At noon is the cheapest time of day to fly from London Heathrow Airport to Porto when you can find flight prices for as low as $150. Flying to Porto at noon is an ideal time because this is during off-peak travel hours. If you have a flexible travel schedule, then try to avoid flying in the evening when prices are $284 on average. Flights to Porto from London Heathrow Airport in the evening are generally more expensive because this time of day is more convenient for travelers’ schedules.

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 $278 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 $228 on momondo.

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

As of July 2025, prices for London Heathrow Airport to Porto flights are approximately 44% more expensive 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

Best Price Found

$76

Fastest flight time

4h 20m

Direct flights

None

Airports in Porto

1 airport
The best one-way flight to Porto from London Heathrow Airport in the past 72 hours is $76. The best round-trip flight deal from London Heathrow Airport to Porto found on momondo in the last 72 hours is $182.
The fastest flight from London Heathrow Airport to Porto takes 4h 20m
There are no direct flights from London Heathrow Airport to Porto. Popular non-direct route for this connection is London Heathrow Airport - Porto Airport.
There is 1 airport near Porto: Porto (OPO)
Search flight deals

  • How far is London Heathrow to Porto by plane?

    There are 810.6 mi between London Heathrow and Porto. 4h 20m 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 updated daily.

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

  • 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 required travel and health documents for your Porto Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Porto Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

  • What is the most popular airline from London Heathrow Airport to Porto?

Best airlines flying from London Heathrow Airport to Porto

Compare and see reviews for airlines that fly from London Heathrow Airport to Porto with momondo
Airline
Rating
Free Cancellation
Price
TAP AIR PORTUGALPriceFrom $171Free CancellationRating
7.1
1,933 reviews
Search TAP AIR PORTUGAL flights

Traveling to a place near Porto?

Book flights to Porto if you plan to visit one of these locations
Aveiro
Vila Nova de Gaia
Coimbra
Matosinhos
Braga
Caminha
Guimarães
Chaves
Esposende
Lamego
Arcos de Valdevez
Espinho
Viseu
Ponte de Lima
Santa Maria da Feira
Curia
Penafiel
Mesao Frio
Pinhao
Baiao

Why use momondo?

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from London to Porto. momondo saves you time and could save you money on your trip.

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

Yes. momondo allows you to filter the results for London to Porto flights to just show those with flexible booking policies.

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?

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

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
Tue 8/5
Tue 8/12
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Portugal