$47 Flights from Porto (OPO) to Sofia (SOF)

Your route at a glance

Cheapest deal$100

Cheapest monthFebruary

Average flight duration3 hours and 50 minutes

Flight deals from Porto to Sofia

Looking for a cheap last-minute deal or the best round-trip flight from Porto to Sofia? Find the lowest prices on one-way and round-trip tickets right here.

Sofia.$47 per passenger.Departing Wed, Feb 11.One-way flight with Ryanair.Outbound indirect flight with Ryanair, departing from Porto on Wed, Feb 11, arriving in Sofia.Price includes taxes and charges.From $47, select.

Sofia.$48 per passenger.Departing Sat, Jan 31.One-way flight with Ryanair.Outbound indirect flight with Ryanair, departing from Porto on Sat, Jan 31, arriving in Sofia.Price includes taxes and charges.From $48, select.

Sofia.$55 per passenger.Departing Tue, Mar 3.One-way flight with easyJet.Outbound indirect flight with easyJet, departing from Porto on Tue, Mar 3, arriving in Sofia.Price includes taxes and charges.From $55, select.

Sofia.$64 per passenger.Departing Mon, Sep 14.One-way flight with easyJet.Outbound indirect flight with easyJet, departing from Porto on Mon, Sep 14, arriving in Sofia.Price includes taxes and charges.From $64, select.

Sofia.$73 per passenger.Departing Thu, Apr 23.One-way flight with Vueling Airlines.Outbound indirect flight with Vueling Airlines, departing from Porto on Thu, Apr 23, arriving in Sofia.Price includes taxes and charges.From $73, select.

Sofia.$73 per passenger.Departing Wed, Dec 31.One-way flight with Ryanair.Outbound indirect flight with Ryanair, departing from Porto on Wed, Dec 31, arriving in Sofia.Price includes taxes and charges.From $73, select.

Sofia.$85 per passenger.Departing Mon, May 18.One-way flight with easyJet.Outbound indirect flight with easyJet, departing from Porto on Mon, May 18, arriving in Sofia.Price includes taxes and charges.From $85, select.

Sofia.$90 per passenger.Departing Fri, Jun 12.One-way flight with easyJet.Outbound indirect flight with easyJet, departing from Porto on Fri, Jun 12, arriving in Sofia.Price includes taxes and charges.From $90, select.

Find the cheapest month to fly from Porto to Sofia

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Porto to Sofia flights are currently cheapest in February.

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Direct flights from Porto to Sofia

Porto to Sofia: Alternative routes

Compare routes from Porto to Sofia below. You may find an airport to fly into that's cheaper, faster, or easier than Sofia.

Finding cheap flights from Porto to Sofia: Frequently asked questions

How much are round-trip flights from Porto to Sofia?

The best price we found for a round-trip flight from Porto to Sofia is $100. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.

How long does it take to fly from Porto to Sofia?

3 hours and 50 minutes is the average flight time from Porto to Sofia.

Which airlines fly direct from Porto to Sofia?

Bulgaria Air flies direct from Porto to Sofia.

How many flights are there a week from Porto to Sofia?

There are 2 flights per week flying from Porto to Sofia, as of December 2025.

When is the cheapest time to fly from Porto to Sofia?

The cheapest month to fly from Porto to Sofia is usually February.

Which upcoming date is cheapest to fly from Porto Airport to Sofia Airport on?

After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Porto Airport to Sofia Airport on Monday, February 9, 2026.

Can I get a direct flight from Porto Airport to Sofia Airport?

Yes – the average flight time is 3 hours and 50 minutes.

How can I find the best flight deal to Sofia?

We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Sofia but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.

When is the best time to book flights to Sofia?

We crunched all the numbers in our flight calendar, and it looks like the cheapest time to book a flight to Sofia is around 40 days in advance, so don’t leave your flight to the last minute.

Which is the cheapest airline to fly with from Porto Airport to Sofia?

Currently, Ryanair offers the cheapest flight tickets to Sofia.

Traveling from Porto Airport (OPO) to Sofia Airport (SOF): what you need to know

The timezone in Sofia is UTC+2, which is two hours ahead of Porto.
Your OPO to SOF flight won't wait if you're running late, so don't forget to check in on time. Arrive up to one hour in advance for domestic flights and two hours ahead for international travel.
During popular months like August, you'll want to get to the airport earlier. Arrive two hours before domestic departures and four hours ahead for an international flight when you fly during a peak period in general.
Think about adding a stopover when booking your ticket from Porto Airport to Sofia Airport. Simply deselect 'Direct flights only' to break up your trip, or even explore someplace new along the way. Here are some options between OPO and SOF:
- Leonardo da Vinci-Fiumicino Airport
- Vienna International Airport
- Charles de Gaulle Airport

How to find the cheapest flights from Porto Airport (OPO) to Sofia Airport (SOF)

The lowest price we've found for a one-way Porto Airport to Sofia Airport flight is $47. A round-trip ticket right now is $100. Depending on the availability and when you book, these fares could change.
To score cheap tickets from OPO to SOF, book in advance. Airlines generally offer the most competitive fares when flights are first released.
The 'Whole month' tool shows you the cheapest flights from Porto Airport to Sofia Airport across each month. It's a good way to find a bargain if your travel dates aren't set in stone.
There's no need to check every day to see if fares have gone down when you create a Price Alert. We'll update you the moment there's a better deal on cheap flights from OPO to SOF.
Find the ideal flight for you with the help of the filters. To see the 'Cheapest,' 'Fastest' or 'Best' flights from Porto Airport to Sofia Airport, use the 'Sort by' tool. You can also filter results by airline, departure and arrival times, and number of stops.

Handy information about Porto Airport (OPO)

74.49% of flights taking off from Porto Airport land at their destination on schedule.
Central Porto to Porto Airport is around 10 miles. Depending on traffic, it'll take you about 20 minutes to get there if you're catching a cab, ride-sharing or driving.
Planning to take public transport? You can expect a journey time of around 50 minutes.
Get your break off to a stress-free start by staying near OPO. Whether you have an early flight from Porto Airport to Sofia Airport or want to avoid feeling rushed, these hotels are the answer:

Arriving at Sofia Airport (SOF)

If you have a late Porto Airport to Sofia Airport flight, few things beat the convenience of being near the terminal. Grab your bags from the carousel and then be resting shortly after at one of these accommodation options near SOF:
Begin your adventure by picking up a Sofia Airport rental car. Grab your wheels from MEX, Surprice or NU Car Rentals and explore beyond Sofia's main sights.
Lock in the best rate by reserving your vehicle from Sofia Airport about one week before your trip.

Getting from Sofia Airport (SOF) to central Sofia

Sofia Airport is roughly 7 miles from the center of Sofia. The drive time takes about 15 minutes.
Traveling by public transport will take you around 35 minutes.

When to fly to Sofia Airport (SOF)

It's time to choose your travel dates for your flight from Porto Airport to Sofia Airport. August is the busiest month to head to Sofia. If you like a more relaxed vibe, go in April.
Lock in your flight from Porto Airport to Sofia Airport for August if you'd like to visit Sofia during its warmest month. Expect temperatures of between 57ºF and 86ºF.
Look for cheap tickets from OPO to SOF in January if you want to travel in cooler conditions. Temperatures are at their lowest around then, ranging between 12ºF and 45ºF on average.

Explore more of Bulgaria

Sofia has plenty to offer, but there are so many other parts of Bulgaria waiting to be discovered. Around 80 miles south-east of Sofia, a trip to Plovdiv will keep you on the go. Check out popular attractions like Plovdiv Old Town, Plovdiv Roman Theatre and Archaelogical Complex Nebet Tepe.
If there's time to check out another great destination in Bulgaria, consider Varna, roughly 240 miles east of Sofia. Park Asparuhovo - Asparuhovo sea garden, Dormition of theotokos Cathedral and Sunset viewpoint (място за гледане на Залеза) are among the biggest draws.