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Cheap flights from Portugal to Knock from €65

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Portugal to Knock departing on 6/2. 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
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Recent return flight deals from Portugal to Knock

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Multiple Airlines Logo
LIS
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NOC
2707 kmmulti-stop
Multiple Airlines Logo
NOC
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LIS
2707 kmmulti-stop
Multiple Airlines
Multiple Airlines Logo
OPO
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NOC
2264 kmmulti-stop
Multiple Airlines Logo
NOC
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OPO
2264 kmmulti-stop
Multiple Airlines

momondo Fare Finder

 
Customise your flight search to find flights from Portugal to Knock 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 13,528 searches. Data last updated 5 December 2025.
Use the filters below to find and compare flights from Portugal to Knock that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

PortoKnock

OPO - NOC

OPONOC

Porto

Fri 6/2

06:20-13:05

1 stop6h 45m

€65

PortoKnock

OPO - NOC

OPONOC

Porto

Sat 7/2

13:40-08:50

1 stop19h 10m

€66

PortoKnock

OPO - NOC

OPONOC

Porto

Sun 8/2

16:15-08:50

1 stop16h 35m

€67

PortoKnock

OPO - NOC

OPONOC

Porto

Tue 3/2

19:40-16:00

1 stop20h 20m

€68

PortoKnock

OPO - NOC

OPONOC

Porto

Thu 5/2

19:00-08:50

1 stop13h 50m

€69

PortoKnock

OPO - NOC

OPONOC

Porto

Mon 2/2

17:45-09:20

1 stop15h 35m

€70

PortoKnock

OPO - NOC

OPONOC

Porto

Tue 3/2

07:15-08:45

2 stops25h 30m

€79

PortoKnock

OPO - NOC

OPONOC

Porto

Wed 4/2

13:05-17:35

2 stops28h 30m

€83

PortoKnock

OPO - NOC

OPONOC

Porto

Thu 5/2

06:30-08:00

2 stops25h 30m

€85

PortoKnock

OPO - NOC

OPONOC

Porto

Fri 6/2

20:40-15:45

2 stops19h 05m

€87

Flights are sorted by cheapest return flights first.

Sorted by cheapest first

See travel insights to Knock from

How to get the cheapest flight ticket from Portugal to Knock

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 airline that flies from Portugal to Knock Intl?

Ryanair is the most popular carrier operating from Portugal to Knock Intl

Cheap Portugal to Knock flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Portugal to Knock

Fastest flight time

6h 45m

Direct flights

None
The fastest flight from Portugal to Knock takes 6h 45m
There are no direct flights from Portugal to Knock. There are no popular flight routes from Portugal to Knock.
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  • When did momondo last update prices for flights from Portugal to Knock Intl Airport?

    Prices for flights from Portugal to Knock Intl Airport are updated daily.

  • How old do you have to be to fly from Portugal to Knock Intl 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 stopovers. It is recommended that you verify with the airline you are booking with for travel from Portugal to Knock Intl Airport.

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

    The required travel and health documents for your Knock Intl 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 licence and a passport valid for six months after your intended arrival at Knock Intl Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

  • What is the most popular plane model from Portugal to Knock?

Travelling to a place near Knock?

Book flights to Knock if you plan to visit one of these locations
Sligo
Westport
Carrick-on-Shannon
Belmullet

Why use momondo?

Why should I use momondo to find a flight deal from Portugal to Knock?

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

Can I find flights from Portugal to Knock with flexible booking policies on momondo?

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

How can momondo help me find flights from Portugal to Knock?

Once all potential Portugal to Knock flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from Portugal to Knock right now. Can momondo alert me if prices change?

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

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