United Kingdom
GBP

SNN - OPO

£386 Find Cheap Flights from Shannon to Porto – Compare and Save

1 adult
1 adult, Economy, 0 bags

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Everything you should know

Cheapest return flight
£386
Typical prices: £86-£137
British Airways
Thu 18/10Sun 21/10
SNN - OPO • 1 stop
Cheapest one-way flight
£443
Typical prices: £25-£143
British Airways
Wed 24/10
SNN - OPO • 1 stop
Direct flights
Not available
There are currently no direct flights between Shannon and Porto. You'll need to take a connecting flight to reach the destination.
Insights
Insights
When to travel
September
Cheapest • 60% price drop
July
Most popular
Good to know
+1
Good to know
+1
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Booking Insights
Flight Deals

Cheap Flights from Shannon to Porto (SNN-OPO)

 
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent return flight deals from Shannon to Porto

Sun, 18 Oct - Wed, 21 Oct
British Airways Logo
07:30 - 20:40SNN  Shannon-OPO Porto
13h 10m1 stop London Heathrow
British Airways Logo
20:20 - 20:35OPO  Porto-SNN Shannon
24h 15m1 stop London Gatwick
£386British Airways
Sun, 18 Oct - Wed, 21 Oct
Multiple Airlines Logo
21:15 - 16:00SNN  Shannon-OPO Porto
18h 45m2 stops London Heathrow Madrid Barajas
Multiple Airlines Logo
20:40 - 16:10OPO  Porto-SNN Shannon
19h 30m2 stops Madrid Barajas London Heathrow
£484Multiple Airlines
Sun, 18 Oct - Wed, 21 Oct
Multiple Airlines Logo
21:15 - 16:00SNN  Shannon-OPO Porto
18h 45m2 stops London Heathrow Madrid Barajas
Multiple Airlines Logo
20:40 - 16:10OPO  Porto-SNN Shannon
19h 30m2 stops Madrid Barajas London Heathrow
£499Multiple Airlines
Sun, 25 Oct - Wed, 28 Oct
Multiple Airlines Logo
07:50 - 20:05SNN  Shannon-OPO Porto
12h 15m2 stops London Heathrow Madrid Barajas
Multiple Airlines Logo
20:40 - 16:45OPO  Porto-SNN Shannon
20h 05m2 stops Madrid Barajas London Heathrow
£515Multiple Airlines
Sun, 25 Oct - Wed, 28 Oct
Multiple Airlines Logo
07:50 - 20:05SNN  Shannon-OPO Porto
12h 15m2 stops London Heathrow Madrid Barajas
Multiple Airlines Logo
20:40 - 16:45OPO  Porto-SNN Shannon
20h 05m2 stops Madrid Barajas London Heathrow
£518Multiple Airlines
Sun, 25 Oct - Wed, 28 Oct
Multiple Airlines Logo
07:50 - 20:05SNN  Shannon-OPO Porto
12h 15m2 stops London Heathrow Madrid Barajas
Multiple Airlines Logo
20:40 - 16:45OPO  Porto-SNN Shannon
20h 05m2 stops Madrid Barajas London Heathrow
£519Multiple Airlines
Sun, 25 Oct - Wed, 28 Oct
Multiple Airlines Logo
07:50 - 20:05SNN  Shannon-OPO Porto
12h 15m2 stops London Heathrow Madrid Barajas
Multiple Airlines Logo
20:40 - 16:45OPO  Porto-SNN Shannon
20h 05m2 stops Madrid Barajas London Heathrow
£602Multiple Airlines
Sun, 25 Oct - Wed, 28 Oct
Multiple Airlines Logo
07:50 - 20:05SNN  Shannon-OPO Porto
12h 15m2 stops London Heathrow Madrid Barajas
Multiple Airlines Logo
20:40 - 16:45OPO  Porto-SNN Shannon
20h 05m2 stops Madrid Barajas London Heathrow
£622Multiple Airlines
Tue, 20 Oct - Wed, 21 Oct
British Airways Logo
07:30 - 20:05SNN  Shannon-OPO Porto
12h 35m1 stop London Heathrow
British Airways Logo
20:20 - 20:35OPO  Porto-SNN Shannon
24h 15m1 stop London Gatwick
£897British Airways
Sun, 18 Oct - Wed, 21 Oct
British Airways Logo
21:15 - 20:35SNN  Shannon-OPO Porto
23h 20m1 stop London Heathrow
British Airways Logo
20:20 - 16:10OPO  Porto-SNN Shannon
19h 50m1 stop London Gatwick
£912British Airways
Booking Insights

Price, demand, and travel trends for Shannon to Porto flights

Use KAYAK data on prices, travel dates, airlines, and seasonal trends to compare options and book flights with more confidence.

How much is a return flight from Shannon to Porto?

Return flights from Shannon to Porto typically range from £86 to £137. The lowest price found in the past 5 days was £386 on British Airways.

Find deals

Key details for Shannon to Porto flights

Low season

January

Cheapest flight

£386
Beat the crowds with an average 87% drop in traveller numbers.
Round-trip flight from Shannon to Porto

When to book flights from Shannon to Porto

Are your dates flexible? Find out the best times to travel from Shannon to Porto based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated return price

Your Shannon to Porto flight questions, answered

Find helpful answers about this route, including flight times, airports, airlines, and booking tips.

  • What are the earliest and latest flights from Shannon to Porto?

    These are the earliest and latest flight times available from Shannon to Porto:

    • Earliest: departs at 16:10 and lands at 18:25
    • Latest: departs at 21:30 and lands at 23:45.

    The flight takes about 2h 15m.

  • How long is a flight from Shannon to Porto?

    A direct flight from Shannon to Porto takes 2h 15m, covering 791 miles.

  • Do I need a passport to fly from Shannon to Porto?

    Yes, a valid passport is required for this international route. Many destinations require at least six months of validity beyond your travel dates. Check your passport expiry well before booking.

  • How much should I expect to pay for a Shannon to Porto flight?

    Return flights from Shannon to Porto range from £86 to £137, with an average of £114 over the past 12 months. Anything below £86 counts as a good deal.

  • What is the standard checked bag allowance on flights from Shannon to Porto?

    There is no standard. Checked bag policies vary by airline on this route. Most carriers charge £27–£76 for the first checked bag in Economy. Premium fares and elite status bookings typically include a free checked bag.

  • Which aircraft model is used most often on flights from Shannon to Porto?

    The Boeing 737-800 Passenger/BBJ2 (winglets) family is used most often on this route, operated mainly by Ryanair. Other aircraft seen on the route include Boeing 737 MAX 8 variants.

  • Have flight prices from Shannon to Porto changed much recently?

    Yes. Based on fares seen in the past 5 days, return flight prices on this route showed a wide range, from about £386 to £1,181. That means the highest observed fare was about 3x higher than the lowest one.

  • How are flight prices from Shannon to Porto looking right now?

    One-way fares from Shannon to Porto are currently higher than usual. Average one-way flight prices are about £468, which is 628% above the typical average for this route.

  • Which car hire options are available at Porto Airport (OPO)?

    Porto Airport (OPO) hosts 5 major car hire companies, with daily rates starting from around £1 for economy cars. Top options include:

    • GREEN MOTION
    • Drive on Holiday
    • Klass Wagen
    • Goldcar Rental SP
    • Sixt

  • Which airports can I use when flying from Shannon to Porto?

    Flights from Shannon to Porto usually depart from Shannon (SNN) and arrive at Porto (OPO).

  • Can I save money by using flexible dates for flights from Shannon to Porto?

    Yes. Flexible dates can save you up to 79% on flights from Shannon to Porto. Sunday is the cheapest departure day at £56 return on average, while Thursday is the most expensive at £263, a difference of £207.

    Cheaper weekend fares like these are typical of routes dominated by weekday business travel.

  • Which airlines fly from Shannon to Porto?

    Only Ryanair operates flights between Shannon and Porto.

  • What popular places can I visit in Porto?

    Some of the most popular sights in Porto are Ribeira Square, Ponte de D. Luís, and Stadium of Bessa XXI Century. These are among the most viewed places in Porto on KAYAK.

  • Which airlines offer extra legroom and free seat selection on Shannon to Porto flights?

    Among airlines operating Shannon to Porto flights:

    • Ryanair: offers free seat selection

    Extra legroom and free seat selection availability depends on fare class and route.

  • Which airlines include bags at no extra cost on Shannon to Porto flights?

    Here are some options for this route, based on selected ticket types and cabin classes:

    • Ryanair: a cabin bag in Economy class class

    Baggage allowance can vary by ticket type, cabin class, route, and airline, so always check the fare details before booking.

Your guide to booking Shannon to Porto flights

Get tips on when to book, when to fly, and what to know before your trip.
  • If your dates are flexible, aim for a Sunday departure and avoid flying on Thursday. On this route, Sunday flights average £56, about £207 less than Thursday fares (79% savings) based on the last 12 months.
  • If you can choose when to travel, plan your Shannon to Porto trip for September. Fares historically average £46 return in that month – typically £91 less than the most expensive month, which is October (based on the last 12 months).
  • If you're arriving late at night and need somewhere to stay, check out these hotels close to Porto Airport.

    • Opo Hotel Porto Aeroporto

More options for your flight from Shannon to Porto

Complete your trip to Porto with a hotel stay or car hire

Car hire in Porto
Hotels in Porto
Holidays in Porto