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£249 Cheap Flights from Chicago (ORD) to Sofia (SOF)

View £249 flight on Tue, 12 Jan 2027Opens in a new window

Popular airlines from Chicago O'Hare International Airport (ORD) to Sofia Airport (SOF)

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Cheap Flights from Chicago (ORD) to Sofia (SOF)

Prices were available within the past 7 days and start at £249 for one-way flights and £541 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Lufthansa
Tue, 16 Mar - Tue, 30 Mar
ORD
Chicago
SOF
Sofia
£541 Return, found 3 hours ago
£541
Return
found 3 hours ago
Select Lufthansa flight, departing Tue, 16 Mar from Chicago to Sofia, returning Tue, 30 Mar, priced at £541 found 3 hours ago
Lufthansa
Tue, 16 Mar - Tue, 30 Mar
ORD
Chicago
SOF
Sofia
£542 Return, found 3 hours ago
£542
Return
found 3 hours ago
Select Lufthansa flight, departing Tue, 16 Mar from Chicago to Sofia, returning Tue, 30 Mar, priced at £542 found 3 hours ago
Lufthansa
Tue, 16 Mar - Tue, 30 Mar
ORD
Chicago
SOF
Sofia
£543 Return, found 3 hours ago
£543
Return
found 3 hours ago
Select Lufthansa flight, departing Tue, 16 Mar from Chicago to Sofia, returning Tue, 30 Mar, priced at £543 found 3 hours ago
Lufthansa
Tue, 12 Jan - Tue, 26 Jan
ORD
Chicago
SOF
Sofia
£545 Return, found 1 hour ago
£545
Return
found 1 hour ago
Select Lufthansa flight, departing Tue, 12 Jan from Chicago to Sofia, returning Tue, 26 Jan, priced at £545 found 1 hour ago
Lufthansa
Tue, 27 Apr - Tue, 11 May
ORD
Chicago
SOF
Sofia
£546 Return, found 6 days ago
£546
Return
found 6 days ago
Select Lufthansa flight, departing Tue, 27 Apr from Chicago to Sofia, returning Tue, 11 May, priced at £546 found 6 days ago
Lufthansa
Tue, 12 Jan - Tue, 26 Jan
ORD
Chicago
SOF
Sofia
£547 Return, found 1 hour ago
£547
Return
found 1 hour ago
Select Lufthansa flight, departing Tue, 12 Jan from Chicago to Sofia, returning Tue, 26 Jan, priced at £547 found 1 hour ago
Air Canada
Tue, 16 Mar - Tue, 30 Mar
ORD
Chicago
SOF
Sofia
£548 Return, found 3 hours ago
£548
Return
found 3 hours ago
Select Air Canada flight, departing Tue, 16 Mar from Chicago to Sofia, returning Tue, 30 Mar, priced at £548 found 3 hours ago
Austrian Airlines
Tue, 12 Jan - Tue, 26 Jan
ORD
Chicago
SOF
Sofia
£556 Return, found 1 hour ago
£556
Return
found 1 hour ago
Select Austrian Airlines flight, departing Tue, 12 Jan from Chicago to Sofia, returning Tue, 26 Jan, priced at £556 found 1 hour ago
Turkish Airlines
Tue, 12 Jan - Tue, 26 Jan
ORD
Chicago
SOF
Sofia
£559 Return, found 1 hour ago
£559
Return
found 1 hour ago
Select Turkish Airlines flight, departing Tue, 12 Jan from Chicago to Sofia, returning Tue, 26 Jan, priced at £559 found 1 hour ago
Swiss International Air Lines
Tue, 27 Apr - Tue, 11 May
ORD
Chicago
SOF
Sofia
£565 Return, found 6 days ago
£565
Return
found 6 days ago
Select Swiss International Air Lines flight, departing Tue, 27 Apr from Chicago to Sofia, returning Tue, 11 May, priced at £565 found 6 days ago

Frequently asked questions

How much does a flight from Chicago, IL (ORD-O'Hare Intl.) to Sofia (SOF) cost?
You can find one-way and return flights from ORD to SOF 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 ORD to SOF ticket fares go up or down.
What is the cheapest month to fly from Chicago, IL (ORD-O'Hare Intl.) to Sofia (SOF)?
If you're looking for the cheapest time to fly from Chicago, IL (ORD-O'Hare Intl.) to Sofia (SOF), November is typically your best bet, with average return flights around £482. November often sees lower prices because it's outside of peak holiday travel seasons, leading to less demand. Other budget-friendly months for this route include January and October.
Which airlines fly direct from Chicago, IL (ORD-O'Hare Intl.) to Sofia (SOF)?
Enter ORD to SOF and your travel dates, then apply the 'Nonstop' filter to see only direct flights.
What is the cheapest airline that flies from Chicago, IL (ORD-O'Hare Intl.) to Sofia (SOF)?
Republic Airlines is one of the cheapest airlines offering connecting return flights from Chicago, IL (ORD-O'Hare Intl.) to Sofia (SOF), with tickets starting from around £643 for flights that can be booked for departure within the next year, with a layover in John F. Kennedy Intl. (JFK). These prices are for an adult, economy/coach class ticket. Use Expedia's search tool to compare the prices and schedules of airlines that fly this route to find the best option for your plans and budget.
How do I find cheap flights from Chicago, IL (ORD-O'Hare Intl.) to Sofia (SOF)?
To find a cheap flight from Chicago, IL (ORD-O'Hare Intl.) to Sofia (SOF), 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 Chicago, IL (ORD-O'Hare Intl.) to Sofia (SOF)?
The best time to fly from Chicago, IL (ORD-O'Hare Intl.) to Sofia (SOF) is typically in October or November. These months offer a great balance, with return flights averaging around £482.
How many flights per day from Chicago, IL (ORD-O'Hare Intl.) to Sofia (SOF)?
There are approximately 100 connecting flights per day from Chicago O'Hare International (ORD) to Sofia (SOF). Some common connection points include Pearson International (YYZ), John F. Kennedy International (JFK), and Frankfurt International (FRA).
What is the earliest flight from Chicago, IL (ORD-O'Hare Intl.) to Sofia (SOF)?
Sort flights by "Departure (earliest)" on Expedia to find the earliest flight from ORD to SOF. To compare more early flights, use the "Early Morning" and "Morning" filters in your search.
What day of the week has the most flights from Chicago, IL (ORD-O'Hare Intl.) to Sofia (SOF)?
You'll typically find the most flights from Chicago, IL (ORD-O'Hare Intl.) to Sofia (SOF) on a Tuesday, with around 91 flights available. This gives you plenty of options for your travel plans. Major airlines on this route include United, American Airlines, and Delta. Looking at the week, Tuesdays offer notably more flight options compared to other days, ensuring you have a good selection to choose from.
What are the most popular departure times for flights from Chicago, IL (ORD-O'Hare Intl.) to Sofia (SOF)?
The most popular departure times for flights from Chicago, IL (ORD-O'Hare Intl.) to Sofia (SOF) are in the afternoon, from 3pm to 6pm. Many major carriers, including Lufthansa, United and Austrian Airlines, offer flights during this window. Many travellers prefer this time as it allows for a full day of activities before heading to the airport, and you'll arrive in Sofia ready to start your day.
How long does it take to fly from Chicago, IL (ORD-O'Hare Intl.) to Sofia (SOF)?
There are no nonstop flights from Chicago, IL (ORD-O'Hare Intl.) to Sofia (SOF). The distance between these two cities is approximately 8,365 kilometres. If you're looking for a flight with one stop, you can expect the journey to take around 16 hours 48 minutes. Flights with two or more stops typically take longer, averaging about 19 hours 30 minutes. Keep in mind that these are average travel times and can vary depending on your specific routing, layover duration, and factors like wind patterns.
Can you fly business or first class from Chicago, IL (ORD-O'Hare Intl.) to Sofia (SOF)?
You can fly business class or first class between ORD and SOF. Airlines that offer business class service on this route include:

  • Lufthansa
  • Air France
  • Iberia
  • Turkish Airlines
  • Swiss International Air Lines
  • TAP Portugal
  • LOT-Polish Airlines
  • Emirates
  • Icelandair
  • Republic Airlines
  • ITA Airways
  • KLM
  • Air Canada
  • British Airways
  • Delta
  • American Airlines
  • United
  • Austrian Airlines

First class cabins are available on:

  • Lufthansa
  • Swiss International Air Lines

How do I earn miles on a Chicago, IL (ORD-O'Hare Intl.) to Sofia (SOF) flight with Expedia?
It's easy to earn miles on a Chicago, IL (ORD-O'Hare Intl.) to Sofia (SOF) 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.
Is it cheaper to buy a plane ticket from Chicago, IL (ORD-O'Hare Intl.) to Sofia (SOF) at the last minute?
Typically, booking a last minute flight from Chicago, IL (ORD-O'Hare Intl.) to Sofia (SOF) 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 Chicago, IL (ORD-O'Hare Intl.) to Sofia (SOF) flight and hotel package?
Securing a Chicago, IL (ORD-O'Hare Intl.) to Sofia (SOF) 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 Chicago, IL (ORD-O'Hare Intl.) to Sofia (SOF)?
If you booked your Chicago, IL (ORD-O'Hare Intl.) to Sofia (SOF) 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
O'Hare Intl.
Destination airport
Sofia
Airlines serving
Air Canada, Austrian Airlines, British Airways, Iberia, LOT-Polish Airlines, Lufthansa, Swiss International Air Lines, Turkish Airlines
Return price
£541
Distance
8316 km

Book with confidence

Compare flights from Chicago to Sofia easily and book with confidence

For travelling on business or for pleasure, Expedia makes it easy to book your flights from Chicago to Sofia. Operating between them flights per day, 20 airlines cover the route. And fly direct, getting you to Sofia in just hours. If you have a preferred carrier, use our advanced search tool to find the right flight from O'Hare Intl. to Sofia.  

To make things even better, in the advanced search, you can also choose to fly economy, premium economy, business or first class, select your maximum number of stops, and pick your preferred departure and arrival time. You can also opt for refundable and direct flights. 

Grab a great deal on your flight from O'Hare Intl. (ORD) to Sofia (SOF)

The easiest way to view the best deals on flights from Chicago to Sofia today is to enter your travel dates and hit search. From here, you can sort your results by price to see the cheapest flights first. Right now, return flights from O'Hare Intl. to Sofia start at just £541 and range up to £565.  

To find an even better deal, try  

  • being flexible on your dates – midweek flights can be cheaper
  • looking for other airports near Chicago and Sofia
  • booking your flight during March, the cheapest month on this route
  • varying your flight times – early morning and late at night are sometimes cheaper 

Why you should book your Chicago to Sofia flight with Expedia!

We cater for all flight types, cabin classes and airlines. So whether you’re booking flights from O'Hare Intl. to Sofia for a budget break or a business trip with a bit of pleasure thrown in, we make it easy to secure the seat that’s right for you.  

Thanks to our supersized inventory that offers great choice all in one place, you know you’ll get a great deal with Expedia. Especially if you bundle your flight together with your hotel, you will unlock amazing savings. For added peace of mind, you can choose flexible bookings or filter to find refundable options, so you won’t pay a fee to change your flight.  

Compare flights from Chicago to Sofia easily and book with confidence

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