CGN - SOF

£17 Find Cheap Flights from Cologne to Sofia – Compare and Save

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Everything you should know

Cheapest return flight
£41
Typical prices: £63-£202
Ryanair
Wed 28/11Thu 29/11
CGN - SOF • Direct
Cheapest one-way flight
£17
Typical prices: £34-£114
Ryanair
Wed 7/11
CGN - SOF • Direct
Direct flights
4 days a week
You can fly direct with Ryanair. Average duration is 2h 25m
Direct flights
+1
Direct flights
+1
When to book
18 weeks
in advance
Our data shows that travellers who book at least 18 weeks in advance save around 44% compared to booking last minute.
Insights
Insights
When to travel
January
Cheapest • 66% price drop
November
Most popular
Good to know
+1
Good to know
+1
Top stopover airports
Bergamo Orio Al Serio (BGY)
Cheapest • Avg £122 (return)
Munich Franz Josef Strauss (MUC)
Shortest trip • 5h 07m (one-way)
Insights
Insights
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We hope you enjoy your trip to Sofia!
Flight Deals
Booking Insights
Flight Deals

Cheap Flights from Cologne to Sofia (CGN-SOF)

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

Recent return flight deals from Cologne to Sofia

Sat, 28 Nov - Sun, 29 Nov
Ryanair Logo
18:30 - 21:55CGN  Cologne Köln/Bonn-SOF Sofia
2h 25mdirect
Ryanair Logo
22:35 - 00:10SOF  Sofia-CGN Cologne Köln/Bonn
2h 35mdirect
£41Ryanair
Sun, 6 Dec - Sun, 6 Dec
Ryanair Logo
14:10 - 17:35CGN  Cologne Köln/Bonn-SOF Sofia
2h 25mdirect
Ryanair Logo
22:35 - 00:10SOF  Sofia-CGN Cologne Köln/Bonn
2h 35mdirect
£44Ryanair
Sun, 29 Nov - Sun, 29 Nov
Ryanair Logo
14:10 - 17:35CGN  Cologne Köln/Bonn-SOF Sofia
2h 25mdirect
Ryanair Logo
22:35 - 00:10SOF  Sofia-CGN Cologne Köln/Bonn
2h 35mdirect
£46Ryanair
Fri, 4 Dec - Sun, 6 Dec
Ryanair Logo
05:55 - 09:20CGN  Cologne Köln/Bonn-SOF Sofia
2h 25mdirect
Ryanair Logo
18:00 - 19:35SOF  Sofia-CGN Cologne Köln/Bonn
2h 35mdirect
£50Ryanair
Fri, 11 Dec - Mon, 14 Dec
Ryanair Logo
05:55 - 09:20CGN  Cologne Köln/Bonn-SOF Sofia
2h 25mdirect
Ryanair Logo
07:35 - 09:10SOF  Sofia-CGN Cologne Köln/Bonn
2h 35mdirect
£53Ryanair
Fri, 27 Nov - Sun, 29 Nov
Ryanair Logo
05:55 - 09:20CGN  Cologne Köln/Bonn-SOF Sofia
2h 25mdirect
Ryanair Logo
22:35 - 00:10SOF  Sofia-CGN Cologne Köln/Bonn
2h 35mdirect
£56Ryanair
Sat, 28 Nov - Sun, 29 Nov
Ryanair Logo
12:50 - 22:35CGN  Cologne Köln/Bonn-SOF Sofia
8h 45m1 stop Palermo Punta Raisi
Ryanair Logo
22:35 - 00:10SOF  Sofia-CGN Cologne Köln/Bonn
2h 35mdirect
£65Ryanair
Fri, 27 Nov - Mon, 30 Nov
Ryanair Logo
05:55 - 09:20CGN  Cologne Köln/Bonn-SOF Sofia
2h 25mdirect
Ryanair Logo
07:35 - 09:10SOF  Sofia-CGN Cologne Köln/Bonn
2h 35mdirect
£67Ryanair
Sat, 28 Nov - Sun, 29 Nov
Ryanair Logo
12:50 - 10:10CGN  Cologne Köln/Bonn-SOF Sofia
20h 20m2 stops Palermo Punta Raisi Bologna Guglielmo Marconi
Ryanair Logo
22:35 - 00:10SOF  Sofia-CGN Cologne Köln/Bonn
2h 35mdirect
£83Ryanair
Wed, 2 Dec - Sun, 6 Dec
Multiple Airlines Logo
00:55 - 12:00CGN  Cologne Köln/Bonn-SOF Sofia
10h 05m1 stop Istanbul Sabiha Gokcen
Multiple Airlines Logo
22:35 - 00:10SOF  Sofia-CGN Cologne Köln/Bonn
2h 35mdirect
£97Multiple Airlines
Booking Insights

Price, demand, and travel trends for Cologne to Sofia 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 Cologne to Sofia?

Return flights from Cologne to Sofia typically range from £63 to £202. The lowest price found in the past 5 days was £41 on Ryanair.

What's the cheapest day of the week to fly from Cologne to Sofia?

Based on deals KAYAK users found in the last 12 months, Thursday is the cheapest day of the week to fly from Cologne to Sofia. It's 30% cheaper than the average day, while Wednesday is the most expensive, with prices 80% higher.

What is the cheapest month to fly from Cologne to Sofia?

•January is the cheapest month to fly from Cologne to Sofia at £41 return.
•May (£241) and August (£224) are the most expensive months.
•The price difference between flying in the cheapest and most expensive months is 483% on average.
This is based on KAYAK aggregated and averaged internal data over the past 12 months.

When are flights from Cologne to Sofia the cheapest?

Flights from Cologne to Sofia are cheapest 18 weeks before departure. Booking in this window typically costs about 44% less than the average last-minute fare (within 2 weeks of the flight), based on KAYAK data.

Find deals

Key details for Cologne to Sofia flights

Low season

May

Cheapest flight

£17
Beat the crowds with an average 42% drop in traveller numbers.
The most popular month to fly with an average 39% increase in traveller numbers.
One-way flight from Cologne to Sofia

When to book flights from Cologne to Sofia

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

Your Cologne to Sofia 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 Cologne to Sofia?

    These are the earliest and latest flight times available from Cologne to Sofia:

    • Earliest: departs at 05:55 and lands at 08:20
    • Latest: departs at 18:45 and lands at 21:10.

    The flight takes about 2h 25m.

  • Which cabin classes can I book on flights from Cologne to Sofia?

    Only Economy class is available on flights from Cologne to Sofia.

  • How long is a flight from Cologne to Sofia?

    A direct flight from Cologne to Sofia takes 2h 25m, covering 951 miles.

  • Do I need a passport to fly from Cologne to Sofia?

    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 Cologne to Sofia flight?

    Return flights from Cologne to Sofia range from £63 to £202, with an average of £121 over the past 12 months. Anything below £63 counts as a good deal.

  • How expensive are last-minute Cologne to Sofia flights?

    Last-minute fares on this route (booked within two weeks of departure) run 6% above the £121 route average. Book 18 weeks before departure for the lowest fares.

  • How much can I save by having a stopover when flying from Cologne to Sofia?

    On this route, direct flights are cheaper than stopover options on average. Direct fares average £93 return, compared with £122 via a stopover through Bergamo Orio Al Serio (BGY).

  • What is the standard checked bag allowance on flights from Cologne to Sofia?

    There is no standard. Checked bag policies vary by airline on this route. Most carriers charge £20–£59 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 Cologne to Sofia?

    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.

  • How are flight prices from Cologne to Sofia looking right now?

    One-way fares from Cologne to Sofia are currently lower than usual. Average one-way flight prices are about £40, which is 37% below the typical average for this route.

  • Which airports can I use when flying from Cologne to Sofia?

    Flights from Cologne to Sofia usually depart from Cologne Köln/Bonn (CGN) and arrive at Sofia (SOF).

  • Which airports do connecting flights from Cologne to Sofia pass through?

    One-stop flights from Cologne to Sofia most commonly connect through:

    • Vienna Intl (VIE) – 40% of one-stop connections
    • Munich Franz Josef Strauss (MUC) – 31% of one-stop connections
    • Bergamo Orio Al Serio (BGY) – 19% of one-stop connections
    • Barcelona-El Prat (BCN) – 7% of one-stop connections

  • Can I save money by using flexible dates for flights from Cologne to Sofia?

    Yes. Flexible dates can save you up to 61% on flights from Cologne to Sofia. Thursday is the cheapest departure day at £86 return on average, while Wednesday is the most expensive at £220, a difference of £134.

    KAYAK's flexible dates feature shows options up to three days before and after your selected dates, making it easier to compare nearby fares.

  • Which airlines fly from Cologne to Sofia?

    Only Ryanair operates flights between Cologne and Sofia.

  • How much time can I save by choosing a different stopover airport from Cologne to Sofia?

    Flying via Munich Franz Josef Strauss (MUC) gives the shortest average 1-stop total travel time of 5h 07m, compared to 5h 36m via Vienna Intl (VIE) and 7h 02m via Barcelona-El Prat (BCN).

  • What is the time difference between Cologne and Sofia?

    Sofia is 1 hour ahead of Cologne (Eastern European Time vs Central European Time). Plan for the time shift when scheduling connections or first-day activities.

  • What popular places can I visit in Sofia?

    Some of the most popular sights in Sofia are St. Nedelya Church, Central Sofia Market Hall, and Banya Bashi Mosque. These are among the most viewed places in Sofia on KAYAK.

  • Which airlines offer extra legroom and free seat selection on Cologne to Sofia flights?

    Among airlines operating Cologne to Sofia 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 Cologne to Sofia flights?

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

    • Ryanair: a cabin bag and a checked bag in Economy 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 Cologne to Sofia 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 Thursday departure and avoid flying on Wednesday. On this route, Thursday flights average £86, about £134 less than Wednesday fares (61% savings) based on the last 12 months.
  • For the best chance at a low fare, aim to book around 18 weeks before you fly. On this route, that window historically saves about 44% versus last-minute pricing (KAYAK booking data, last 12 months).
  • If you can choose when to travel, plan your Cologne to Sofia trip for January. Fares historically average £41 return in that month – typically £200 less than the most expensive month, which is May (based on the last 12 months).
  • If you're arriving late at night and need somewhere to stay, check out these hotels close to Sofia Airport.

    • Hotel Premier Airport Sofia
    • ibis Sofia Airport
    • Hotel Consul

Prefer to fly direct from Cologne to Sofia?

 
Find which airlines fly direct from Cologne Köln/Bonn Airport to Sofia Airport, which days they fly and book direct flights.

Direct departures

Cologne Köln/Bonn to Sofia

Monday

Ryanair

Ryanair

Friday

Ryanair

Ryanair

Saturday

Ryanair

Ryanair

Sunday

Ryanair

Ryanair

See more direct flights

Direct returns

Sofia to Cologne Köln/Bonn

Monday

Ryanair

Ryanair

Friday

Ryanair

Ryanair

Saturday

Ryanair

Ryanair

Sunday

Ryanair

Ryanair

See more direct flights

More options for your flight from Cologne to Sofia

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

Car hire in Sofia
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