$295 Flights from Chicago O'Hare International (ORD) to Sofia (SOF)

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Flight deals from Chicago O'Hare International to Sofia

Looking for a cheap last-minute deal or the best round-trip flight from Chicago O'Hare International Airport to Sofia Airport? If you want to travel next month, round-trip fares start from $776. Find the lowest prices on one-way and round-trip tickets right here.

Find the cheapest month to fly from Chicago O'Hare International to Sofia from $295 one-way

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Chicago O'Hare International to Sofia flights are currently cheapest in July.

Chicago O'Hare International to Sofia: Alternative routes

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

Chicago to Sofia: Flight information

The things to know before you go.
Cheapest flight found$295
Cheapest month to flyJuly

Finding cheap flights from Chicago O'Hare International to Sofia: Frequently asked questions

The best price we found for a round-trip flight from Chicago O'Hare International to Sofia is $710. 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.
Currently, there are no airlines that fly direct from Chicago O'Hare International to Sofia. But we found flights with one or more stops from $710.
There are no flights flying from Chicago O'Hare International to Sofia, as of June 2026.
The cheapest month to fly from Chicago O'Hare International to Sofia is usually July.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Chicago O'Hare International Airport to Sofia Airport on Thursday, July 30, 2026.
No airlines currently offer direct flights between Chicago O'Hare International Airport and Sofia Airport. Most routes have one or more stops.
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.
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.
Currently, Icelandair offers the cheapest flight tickets to Sofia.

Flying from Chicago O'Hare International Airport (ORD) to Sofia Airport (SOF): what you need to know

  • Sofia is eight hours ahead of Chicago and is in the UTC+2 timezone.

  • Leave plenty of time to make your ORD to SOF flight. A good rule of thumb is to arrive two hours before international departures and an hour ahead for domestic flights.

  • Flying during a peak time like July? School holidays and other popular periods can result in longer queues and delays at airport checkpoints. Play it safe and get there up to four hours before international flights and two hours before domestic departures.

  • We make it a cinch to book a flight with a stopover. To see all your options for tickets from Chicago O'Hare International Airport to Sofia Airport, uncheck 'Direct flights only.' Then, choose a flight offering a stop long enough to tour the city of your choice. Stopovers between ORD and SOF include:

    • Frankfurt am Main Airport

    • Rome Fiumicino Airport

    • Munich Airport

How to find the cheapest flights from Chicago O'Hare International Airport (ORD) to Sofia Airport (SOF)

  • At the moment, $295 is the cheapest price we've found for a one-way Chicago O'Hare International Airport to Sofia Airport flight. The best price for a return ticket is $710. Remember that fares may change due to demand when booking.

  • Don't leave everything to the last minute. You're more likely to find cheap tickets from ORD to SOF if you book in advance. Airlines often have some great early bird discounts.

  • Getting cheap flights from Chicago O'Hare International Airport to Sofia Airport is easier if you're flexible with your travel plans. Use the 'Whole month' tool to see the best prices across each month and land a great deal.

  • Cut down on the time spent looking for cheap flights from ORD to SOF by creating a Price Alert. You'll get an email or notification on the app when a lower fare pops up.

  • Tailor your flights using filters. Pick your preferred arrival and departure times, total journey duration and airlines. You can also sort your results by 'Cheapest,' 'Best' or 'Fastest' flights from Chicago O'Hare International Airport to Sofia Airport.

Handy information about Chicago O'Hare International Airport (ORD)

  • ORD is located at 10000 West O'Hare.

  • Of all flights departing from Chicago O'Hare International Airport, 70% touch down on time at their destination.

  • To get to Chicago O'Hare International Airport from central Chicago, it takes around 30 minutes by car. Of course, this depends on traffic conditions. It's approximately 17 miles from the airport to the city center.

  • Planning to catch public transport? Expect a journey time of around 45 minutes.

  • Get your trip off to a relaxed start by staying near ORD. Whether you have an early flight from Chicago O'Hare International Airport to Sofia Airport or just don't like being rushed, these stays are ideal:

Arriving at Sofia Airport (SOF)

Getting from Sofia Airport (SOF) to central Sofia

  • From Sofia Airport, Sofia is approximately 6 miles away. It takes around 25 minutes to reach the center driving.

  • If you're traveling by public transport, expect a journey of about 30 minutes.

When to fly to Sofia Airport (SOF)

  • August is the busiest month for flights from Chicago O'Hare International Airport to Sofia Airport. To steer clear of the crowds, head to Sofia in March.

  • Book your flight from Chicago O'Hare International Airport to Sofia Airport for August if you want to go to Sofia during its warmest month. Expect temperatures of between 55ºF and 90ºF.

  • If you want to travel in cooler conditions, look for a cheap ticket from ORD to SOF in January. Average temperatures are between 12ºF and 45ºF then.

Explore more of Bulgaria

  • You've seen Sofia, now it's time to explore other parts of Bulgaria. Travel about 80 miles south-east to Plovdiv to check off its popular sights. From Plovdiv Roman Theatre to Municipal Institute "Ancient Plovdiv" and Museum Center for Contemporary History, there's plenty to keep you on the go.

  • If you want to check out another great destination in Bulgaria, head for Varna, roughly 240 miles east of Sofia. Sahara beach, Museum of Natural History and Sea Garden are key reasons to visit.

Prices shown on this page are estimated lowest prices only. Found in the last 12 days.