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Cheap flights from Portugal to Knock from €152

This is the cheapest return flight price found by a momondo user in the last 72 hours by searching for a flight from Portugal to Knock departing on 4/6. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags
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Find the cheapest flights from Portugal to Knock

Recent return flight deals from Portugal to Knock

Enter your travel dates to find the best prices.
Ryanair Logo
21:45 - 15:40
OPO
-
NOC
17h 55m
1 stop
Ryanair Logo
17:35 - 09:25
NOC
-
OPO
39h 50m
2 stops
€152Ryanair
Thu, 4 Jun - Sun, 7 Jun
Ryanair Logo
21:45 - 15:40
OPO
-
NOC
17h 55m
1 stop
Ryanair Logo
08:55 - 11:30
NOC
-
OPO
26h 35m
1 stop
€194Ryanair
Thu, 4 Jun - Sun, 7 Jun
Multiple Airlines Logo
22:00 - 18:30
OPO
-
NOC
20h 30m
2 stops
Multiple Airlines Logo
08:55 - 08:00
NOC
-
OPO
23h 05m
2 stops
€218Multiple Airlines
Thu, 4 Jun - Sun, 7 Jun
Multiple Airlines Logo
18:00 - 17:30
OPO
-
NOC
23h 30m
3 stops
Multiple Airlines Logo
08:55 - 08:00
NOC
-
OPO
23h 05m
2 stops
€251Multiple Airlines
Thu, 4 Jun - Sun, 7 Jun
Multiple Airlines Logo
18:00 - 17:30
OPO
-
NOC
23h 30m
3 stops
Multiple Airlines Logo
08:55 - 08:00
NOC
-
OPO
23h 05m
3 stops
€282Multiple Airlines
Thu, 4 Jun - Sun, 7 Jun

Ryanair flights from Portugal to Knock

Our best Ryanair deals on Portugal to Knock flight tickets
Ryanair
4 Jun
OPO21:45Porto
17h 55m
1 stop
NOC15:40Knock Intl
7 Jun
NOC17:35Knock Intl
39h 50m
2 stops
OPO09:25Porto
€152
Ryanair
4 Jun
OPO21:45Porto
17h 55m
1 stop
NOC15:40Knock Intl
7 Jun
NOC08:55Knock Intl
26h 35m
1 stop
OPO11:30Porto
€194

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 12 May 2026.
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

Cheapest return flight

PortoKnock

OPO - NOC

OPONOC

Porto

Thu 4/6

21:45-15:40

1 stop17h 55m

Knock Intl

Sun 7/6

17:35-09:25

2 stops39h 50m

€152

PortoKnock

OPO - NOC

OPONOC

Porto

Thu 4/6

21:45-15:40

1 stop17h 55m

Knock Intl

Sun 7/6

08:55-11:30

1 stop26h 35m

€194
Fastest return journey

PortoKnock

OPO - NOC

OPONOC

Porto

Thu 4/6

22:00-18:30

2 stops20h 30m

Knock Intl

Sun 7/6

08:55-08:00

2 stops23h 05m

€218

PortoKnock

OPO - NOC

OPONOC

Porto

Thu 4/6

18:00-17:30

3 stops23h 30m

Knock Intl

Sun 7/6

08:55-08:00

2 stops23h 05m

€251

PortoKnock

OPO - NOC

OPONOC

Porto

Thu 4/6

18:00-17:30

3 stops23h 30m

Knock Intl

Sun 7/6

08:55-08:00

3 stops23h 05m

€282

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 Portugal to Knock Intl flight route?

Fly from Faro to Knock Intl for the best Portugal - Knock Intl flight prices

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

17h 55m

Direct flights

None
The fastest flight from Portugal to Knock takes 17h 55m
There are no direct flights from Portugal to Knock. There are no popular flight routes from Portugal to Knock.
Search flight deals

Frequently asked questions about flying from Portugal to Knock

  • 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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