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CA $307 Cheap Flights from Sofia (SOF) to Reykjavik (KEF)

View CA $307 flight on Tue, Oct 13, 2026Opens in a new window

Popular airlines from Sofia Airport (SOF) to Keflavik International Airport (KEF)

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Cheap flights from Sofia (SOF) to Reykjavik (KEF)

Prices were available within the past 7 days and start at CA $307 for one-way flights and for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Frequently asked questions

How much does a flight from Sofia (SOF) to Reykjavik (KEF-Keflavik Intl.) cost?
You can find one-way and return flights from SOF to KEF with Expedia. Flight prices vary based on the month and day of the week you want to travel, as well as the airline and how far in advance you book your ticket. Filter your search on Expedia by "Price (lowest to highest)" to see our cheapest fares first, and use the Price Tracking tool to receive alerts when SOF to KEF ticket fares go up or down.
What is the cheapest month to fly from Sofia (SOF) to Reykjavik (KEF-Keflavik Intl.)?
The cheapest months to fly from SOF to KEF are typically during off-peak season when demand is low. Traveling in off-peak or shoulder months is usually a good way to secure cheap tickets, just remember to avoid flying during holidays if you are able to. Use the calendar view in your search to see which months have low fares on this route.
Which airlines fly direct from Sofia (SOF) to Reykjavik (KEF-Keflavik Intl.)?
Enter SOF to KEF and your travel dates, then apply the 'Nonstop' filter to see only direct flights.
How do I find cheap flights from Sofia (SOF) to Reykjavik (KEF-Keflavik Intl.)?
To find a cheap flight from Sofia (SOF) to Reykjavik (KEF-Keflavik Intl.), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.
What is the best time to fly from Sofia (SOF) to Reykjavik (KEF-Keflavik Intl.)?
The best time to fly is usually mid-week (Tuesday or Wednesday) and during early morning hours as flights tend to be cheaper, less crowded, and generally more on-time. Avoid major holidays and peak vacation seasons for smoother travel. Combining off-peak days and hours often gives the best combination of cost, comfort, and convenience.
How many flights per day from Sofia (SOF) to Reykjavik (KEF-Keflavik Intl.)?
There are approximately 20 connecting flights per day from Sofia (SOF) to Reykjavik (KEF-Keflavik Intl.). Some common connection points include Istanbul Airport (IST), Frankfurt Intl. (FRA), and Franz Josef Strauss Intl. (MUC).
What is the earliest flight from Sofia (SOF) to Reykjavik (KEF-Keflavik Intl.)?
The earliest flight from Sofia (SOF) to Reykjavik (KEF-Keflavik Intl.) typically departs around 5:00 AM local time. This flight is operated by Air Serbia and Icelandair. This is a seasonal service, active in November. An early departure like this can help you make the most of your time at your destination. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.
How long does it take to fly from Sofia (SOF) to Reykjavik (KEF-Keflavik Intl.)?
There are no nonstop flights from Sofia (SOF) to Reykjavik (KEF-Keflavik Intl.). The journey covers a distance of approximately 3,734 kilometres. If you're looking for a flight with one stop, you can expect the travel time to be around 11 hours 30 minutes. Flights with two or more stops typically take longer, averaging about 20 hours 18 minutes. Keep in mind that these are average times, and your actual travel duration can vary depending on the specific route, layover times, and even weather conditions.
Can you fly business or first class from Sofia (SOF) to Reykjavik (KEF-Keflavik Intl.)?
Select the "Business class" and "First class" filters when looking for SOF to KEF flights on Expedia. This is the easiest way to compare prices, routes and flight times for your trip.
How do I earn miles on a Sofia (SOF) to Reykjavik (KEF-Keflavik Intl.) flight with Expedia?
It's easy to earn miles on a Sofia (SOF) to Reykjavik (KEF-Keflavik Intl.) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia.*Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.
What airports do you fly into for Reykjavik (KEF) from Sofia (SOF)?
If you're planning to travel to Reykjavik from SOF, you can fly directly into Keflavik Intl. (KEF). Some flights may connect through major hubs like Istanbul Airport (IST), Franz Josef Strauss Intl. (MUC), or Nikola Tesla (BEG) before reaching Reykjavik. Compare routes and airports on Expedia to find the best flight options for your travel plans.
Is it cheaper to buy a plane ticket from Sofia (SOF) to Reykjavik (KEF-Keflavik Intl.) at the last minute?
Typically, booking a last minute flight from Sofia (SOF) to Reykjavik (KEF-Keflavik Intl.) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a Sofia (SOF) to Reykjavik (KEF-Keflavik Intl.) flight and hotel package?
Securing a Sofia (SOF) to Reykjavik (KEF-Keflavik Intl.) flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Sofia (SOF) to Reykjavik (KEF-Keflavik Intl.)?
If you booked your Sofia (SOF) to Reykjavik (KEF-Keflavik Intl.) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.

Travel information

Origin airport
Sofia
Destination airport
Keflavik Intl.
Distance
3711 km

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Sofia to Suðurnesjabær Flights

The easy way to book your flights from Sofia to Reykjavik 

With Expedia, it’s simple to find and book flights to Reykjavik from Sofia whether you’re traveling for business or pleasure. Enter your travel dates, hit search, and choose your flight from 20 airlines that cover this route. There are nonstop flights to Keflavik Intl., too.  

Choose your preferred carrier and cabin class with the advanced search tool and select your ideal departure time. Then, if you want, you can see just nonstop or refundable flights. And if you’re traveling last minute, just enter the date to check out flights from Sofia to Reykjavik today, tomorrow, or this week.  

 

Save dollars with cheap flights from Sofia, SOF to Keflavik Intl., KEF 

Sort your search results by price to find great deals on your flight from Sofia to Reykjavik—you get all your cheapest options first. Grab yourself a bargain now—the lowest price on flights to Reykjavik from Sofia currently is just rising to .  

Here are more money-saving tips: 

  • Fly in when flight prices are normally at their lowest 
  • Book about a month to 6 weeks before you travel for the best prices to Reykjavik  
  • Avoid peak season and weekends when flights can cost more
  • Early morning and late-night flights are sometimes cheaper, so try varying your travel times 
  • One surefire way to save money on your flight is to book your flight and hotel together with Expedia. Sometimes, the savings are so large that the flight is basically free! 

 

Reasons to choose Expedia for your flight to Reykjavik from Sofia 

Whatever your destination, budget, or reason to travel, in just one quick search, you can choose from loads of flights, airlines, and cabin classes. The filters make it quick and easy to find your ideal flights, and if you choose one of the flexible options, you won’t be charged to change your flight. So book your flight to Reykjavik with Expedia today.

Sofia to Suðurnesjabær Flights

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