One Way

Popular Filters

One Way Price

USD 1,018 USD 5,000

Duration

11 h 20 m 32 h 30 m

Stops From Chicago

Departure From Chicago

12 PM - 6 PM

USD 1,019

After 6 PM

USD 1,019

Arrival at Sofia

6 AM - 12 PM

USD 4,765

12 PM - 6 PM

USD 1,019

After 6 PM

USD 1,019

Alliances & Airlines

Oneworld

(5)

SkyTeam

()

Star Alliance

(15)

+ 2 more

Layover Airports

+ 3 more

Layover Duration

55 m 22 h 0 m

Chicago (CHI) to Sofia (SOF) Cheap Flights

Book Chicago to Sofia cheap flight tickets โœˆ at lowest price. Get best deals on your upcoming Chicago (CHI)to Sofia (SOF) flights only on MakeMyTrip. Also Book Sofia to Chicago Cheap Flights. Currently 17 flights flying from Chicago to Sofia. To save maximum on flight booking click on below Fare Calendar button and choose your dates.

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Duration
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Price last updated at 19 Jun 2026 11:03:03
LOT Polish Airlines

More Timing Options

USD 1,044

USD 1,019

Chicago to Sofia , 22 Jun

LOT Polish Airlines LO | 2

17:10

Mon, 22 Jun 26

Terminal T5

Chicago, United States

09 h 05 m

09:15

Tue, 23 Jun 26

Warsaw, Poland

BAGGAGE : CHECK INCABIN

Information not available

LOT Polish Airlines LO | 631

10:45

Tue, 23 Jun 26

Warsaw, Poland

02 h 05 m

13:50

Tue, 23 Jun 26

Terminal T2

Sofia, Bulgaria

BAGGAGE : CHECK INCABIN

Information not available

Iberia

USD 1,054

Chicago to Sofia , 22 Jun

Iberia IB | 4481 | Operated By American Airlines

22:30

Mon, 22 Jun 26

Terminal T3

Chicago, United States

08 h

13:30

Tue, 23 Jun 26

Terminal T4S

Madrid, Spain

BAGGAGE : CHECK INCABIN

Information not available

Iberia IB | 7861 | Operated By Bulgaria Air

10:00

Wed, 24 Jun 26

Terminal T4

Madrid, Spain

03 h 30 m

14:30

Wed, 24 Jun 26

Terminal T2

Sofia, Bulgaria

BAGGAGE : CHECK INCABIN

Information not available

American Airlines, Bulgaria Air

USD 1,095

Chicago to Sofia , 22 Jun

American Airlines AA | 126

22:30

Mon, 22 Jun 26

Terminal T3

Chicago, United States

08 h

13:30

Tue, 23 Jun 26

Terminal T4S

Madrid, Spain

BAGGAGE : CHECK INCABIN

Information not available

Bulgaria Air FB | 472

10:00

Wed, 24 Jun 26

Terminal T4

Madrid, Spain

03 h 30 m

14:30

Wed, 24 Jun 26

Terminal T2

Sofia, Bulgaria

BAGGAGE : CHECK INCABIN

Information not available

American Airlines, Bulgaria Air

USD 1,099

Chicago to Sofia , 22 Jun

American Airlines AA | 150

21:35

Mon, 22 Jun 26

Terminal T3

Chicago, United States

08 h 05 m

12:40

Tue, 23 Jun 26

Terminal T2A

Paris, France

BAGGAGE : CHECK INCABIN

Information not available

Bulgaria Air FB | 432

10:15

Wed, 24 Jun 26

Terminal T1

Paris, France

02 h 45 m

14:00

Wed, 24 Jun 26

Terminal T2

Sofia, Bulgaria

BAGGAGE : CHECK INCABIN

Information not available

American Airlines, Bulgaria Air

USD 1,110

Chicago to Sofia , 22 Jun

American Airlines AA | 160

16:45

Mon, 22 Jun 26

Terminal T3

Chicago, United States

10 h 15 m

11:00

Tue, 23 Jun 26

Athens, Greece

BAGGAGE : CHECK INCABIN

Information not available

Bulgaria Air FB | 808

18:35

Tue, 23 Jun 26

Athens, Greece

01 h 15 m

19:50

Tue, 23 Jun 26

Terminal T2

Sofia, Bulgaria

BAGGAGE : CHECK INCABIN

Information not available

Iberia, Bulgaria Air

USD 1,147

Chicago to Sofia , 22 Jun

Iberia IB | 4481 | Operated By American Airlines

22:30

Mon, 22 Jun 26

Terminal T3

Chicago, United States

08 h

13:30

Tue, 23 Jun 26

Terminal T4S

Madrid, Spain

BAGGAGE : CHECK INCABIN

Information not available

Bulgaria Air FB | 472

10:00

Wed, 24 Jun 26

Terminal T4

Madrid, Spain

03 h 30 m

14:30

Wed, 24 Jun 26

Terminal T2

Sofia, Bulgaria

BAGGAGE : CHECK INCABIN

Information not available

United Airlines, Swiss

USD 1,353

Chicago to Sofia , 22 Jun

United Airlines UA | 3

15:55

Mon, 22 Jun 26

Terminal T1

Chicago, United States

08 h 50 m

07:45

Tue, 23 Jun 26

Zurich, Switzerland

BAGGAGE : CHECK INCABIN

Information not available

Swiss LX | 1390 | Operated By Air Baltic

09:00

Tue, 23 Jun 26

Zurich, Switzerland

02 h 15 m

12:15

Tue, 23 Jun 26

Terminal T2

Sofia, Bulgaria

BAGGAGE : CHECK INCABIN

Information not available

United Airlines, Lufthansa

USD 1,391

USD 1,364

Chicago to Sofia , 22 Jun

United Airlines UA | 8854 | Operated By Lufthansa

21:40

Mon, 22 Jun 26

Terminal T1

Chicago, United States

08 h 30 m

13:10

Tue, 23 Jun 26

Terminal T2

Munich, Germany

BAGGAGE : CHECK INCABIN

Information not available

Lufthansa LH | 4158 | Operated By Air VIA

15:45

Tue, 23 Jun 26

Terminal T2

Munich, Germany

01 h 55 m

18:40

Tue, 23 Jun 26

Terminal T2

Sofia, Bulgaria

BAGGAGE : CHECK INCABIN

Information not available

United Airlines

USD 1,366

Chicago to Sofia , 22 Jun

United Airlines UA | 944

15:10

Mon, 22 Jun 26

Terminal T1

Chicago, United States

08 h 20 m

06:30

Tue, 23 Jun 26

Terminal T1

Frankfurt, Germany

BAGGAGE : CHECK INCABIN

Information not available

United Airlines UA | 9124 | Operated By Lufthansa

10:15

Tue, 23 Jun 26

Terminal T1

Frankfurt, Germany

02 h 10 m

13:25

Tue, 23 Jun 26

Terminal T2

Sofia, Bulgaria

BAGGAGE : CHECK INCABIN

Information not available

United Airlines

USD 1,634

USD 1,607

Chicago to Sofia , 22 Jun

United Airlines UA | 8747 | Operated By Lufthansa

15:35

Mon, 22 Jun 26

Terminal T1

Chicago, United States

08 h 30 m

07:05

Tue, 23 Jun 26

Terminal T2

Munich, Germany

BAGGAGE : CHECK INCABIN

Information not available

United Airlines UA | 9246 | Operated By Lufthansa

09:15

Tue, 23 Jun 26

Terminal T2

Munich, Germany

01 h 55 m

12:10

Tue, 23 Jun 26

Terminal T2

Sofia, Bulgaria

BAGGAGE : CHECK INCABIN

Information not available

Chicago to Sofia Flights Information:-

Looking for Chicago to Sofia Flight? Hereโ€™s all you need to know! For convenience and to save time, pick the airport that is closest to your destination. The nearest airport to Sofia is Sofia Airport and the IATA code for the same is SOF.
Currently, there are 8 airlines operating flights between the two destinations and approximately 17 flights take off from Chicago to Sofia every week.

Need information on Chicago to Sofia airfare?

The minimum airfare for a Chicago to Sofia flight would be 1018, which may go up to 4982 depending on the route, booking time and availability.
It is recommended that you book a round-trip, since it always works out to be more economical.

Flight Details for Chicago to Sofia

If you are looking for Chicago to Sofia flights, there is no dearth of options to choose from. Several reputed airlines currently offer both direct and indirect flights between the two destinations. Some of these are American Airlines, Austrian Airlines, Bulgaria Air, Iberia, LOT Polish Airlines, Lufthansa, Swiss, United Airlines. Out of these, only 0 airlines operate direct flights. Indirect flights may involve more travel time, but they usually cost lesser than direct flights.

The number of flights operated by each airline is as follows:American Airlines : 3, Austrian Airlines : 3, Bulgaria Air : 3, Iberia : 3, LOT Polish Airlines : 3, Lufthansa : 3, Swiss : 3, United Airlines : 3

To board the first Chicago to Sofia flight, choose United Airlines, which departs at 15:10 The last flight for this route is Iberia, Bulgaria Air, departing at 22:30

Sofia Airport Information

Sofia Airport
1 Christopher Columbus boulevard, Sofia 1540, Bulgaria
Tel: (02) 937 2211 (departures) |(02) 937 2212 (arrivals)

About Chicago (CHI)

Chicago, known as the Windy City, is a vibrant metropolis in Illinois, offering an exciting blend of culture, architecture, and entertainment. It boasts iconic landmarks, world-class museums, and a rich history that attracts millions of visitors each year. Whether you're drawn to its towering skyscrapers, picturesque parks, or diverse neighborhoods, Chicago promises a memorable experience for travelers from the United States.

Best Time to Visit

Chicago's weather varies significantly throughout the year. The ideal time to visit is during the spring (April to June) and fall (September to October) when the temperatures are mild, and the city hosts numerous festivals and events. Summer (July to August) is also popular, offering warm weather perfect for outdoor activities and beach visits, though it can be crowded. Winter (December to February) brings cold temperatures and snow, but it transforms the city into a winter wonderland, ideal for those who enjoy winter sports and holiday festivities.

Getting There

Chicago is well-connected to the United States and the world through its two major airports: O'Hare International Airport (ORD) and Midway International Airport (MDW). Both airports offer numerous flights to Chicago, including cheap flights to Chicago from various U.S. cities. United Airlines, American Airlines, and Delta Airlines are among the top carriers providing Chicago flight tickets. Ensure you have a valid ID for domestic flights and a passport for international travel.

Where to Stay

Chicago offers a wide range of accommodations to suit all budgets. For luxury stays, consider the Magnificent Mile area, home to upscale hotels like The Peninsula and Four Seasons. The Loop is ideal for business travelers and those looking to be close to major attractions, with options like the Palmer House Hilton. Budget-conscious travelers can find affordable hotels and hostels in neighborhoods like River North and Lincoln Park.

Must-See Places & Experiences

Chicago is packed with must-see attractions:
โ€ข Millennium Park: Home to the iconic Cloud Gate sculpture (The Bean)
โ€ข Navy Pier: A hub of entertainment with rides, restaurants, and shops
โ€ข Art Institute of Chicago: Renowned for its extensive art collection
โ€ข Willis Tower Skydeck: Offers breathtaking views from the 103rd floor
โ€ข Museum Campus: Includes the Field Museum, Shedd Aquarium, and Adler Planetarium
For a unique experience, explore the city's diverse neighborhoods like Wicker Park and Pilsen, known for their vibrant arts and dining scenes.

Local Transportation

Chicago's public transportation system, operated by the Chicago Transit Authority (CTA), is efficient and affordable. The 'L' trains and buses cover most of the city, making it easy to get around. Taxis and rideshare services like Uber and Lyft are also readily available. For a scenic option, consider taking a water taxi along the Chicago River.

Food & Dining

Chicago is a food lover's paradise, famous for its deep-dish pizza and Chicago-style hot dogs. Must-try dishes include:
โ€ข Deep-dish pizza from Lou Malnati's or Giordano's
โ€ข Chicago-style hot dogs from Portillo's
โ€ข Italian beef sandwiches from Al's Beef
For fine dining, visit Alinea or Girl & The Goat. The city's diverse culinary scene also offers a range of international cuisines, reflecting its multicultural heritage.

Practical Travel Tips

โ€ข Currency: U.S. Dollar (USD)
โ€ข Language: English
โ€ข Safety: Chicago is generally safe for tourists, but it's wise to stay aware of your surroundings and avoid less populated areas at night.
โ€ข Useful Apps: Download the CTA Transit App for public transport info and Yelp for restaurant reviews.
Start planning your trip and explore the best of Chicago with cheap flight tickets to Chicago available on various travel websites. Enjoy your visit to this dynamic city!

Important Information about Chicago to Sofia Flight

Lowest Fare to Travel with Date USD 1044- 22 Jun
Total flights from Chicago to Sofia in a week 17 Flights
First Flight United Airlines, departs at 15:10
Last FlightIberia, Bulgaria Air, departs at 22:30
Non-Stop Flights from Chicago to Sofia0
Airport Name & codes of Chicago & Sofia Chicago Midway Intl, Chicago-CHI, Sofia Airport,Sofia-SOF

Chicago Address

About Sofia (SOF)

Located on the Sofia plain and on the lower slopes of Mount Vitosha in the western part of the country, Sofia is Bulgaria's capital and its largest city. It is Europe's second oldest capital city with stylish restaurants, fashionable bars, and buzzing nightclubs along with ancient yet modern concert halls, theaters and cinemas with elegant and vibrant cafes, interesting galleries and famous museums. It is an attractive and cultural city and is distinguished by its distinctive combination of European and communist-style architectures along with beautiful orthodox churches. The city is a dynamic Eastern European capital with beautiful scenery and a well developed ski-resort so close to it- the Vitosha Mountain. Sofia is well served by Sofia Airport, busiest in Bulgaria, and some of the public transportation services such as bus, taxi, tram and rail. The city is famous for its beautiful spring and summer days and with such lovely weather visit The Zoo, The Sofia Land or the city's green belt and some of the famous are Borisova Garden in the city centre and the Southern park which is one of the best parks in the entire country. And if the sun is in retreat visit the art theaters such as Sfumato Theatrical Workshop that shows both classical and modern plays or National Opera and Ballet which is a combination of both Opera and Ballet or some of the famous art museums such as National Art Gallery which holds the collection of Bulgarian authors and National Historical Museum, holding the collection of more than 600,000 items. Sofia is the most visited tourist destinations in Bulgaria and hold's largest collection of Museum in Bulgaria. It is the economic hub for most of the Bulgarian and international companies operating within the country. St. Alexander Nevsky Cathedral is one of the largest orthodox church in the world and is visited by most of the tourists. Vitosha Boulevard is the main shopping street in the heart of the city. The city also offers with one of the finest restaurants offering various cuisines with an amazing list of bars, clubs and nightlife. If you are planning a trip to this beautiful and amazing city, visit MakeMyTrip.com and you can easily book online flight tickets as well as hotels. The website gives you the feasibility to book hotels and flights for all destinations of the world-anytime and anywhere. This feature helps you to make your travel cheaper and comfortable.

Sofia Address

1 Christopher Columbus boulevard, Sofia 1540, Bulgaria
Tel: (02) 937 2211 (departures) |(02) 937 2212 (arrivals)

Frequently Asked Questions - Chicago to Sofia Flights

Is there a way to make flexible departure date bookings for your Chicago to Sofia flight tickets?

Some travel portals like MakeMyTrip offer flexible departure and arrival booking option with certain air carrier when booking from Chicago to Sofia. You can check the flexible booking flight options once you get the results filters based on your search and make the booking accordingly. Please note, some airlines make charge extra for flexible travel dates.

How do MakeMyTrip finds the lowest available dare for flights from Chicago to Sofia?

MakeMyTrip is a popular travel portal that also works as a travel search engine that allows you to see best available results for your flight search. Every time you make search for flights to any destination, the MMT algorithm picks all the available air carriers for the route and filter rates basis on the cheapest fare available in their system. At MMT, you can not only search flights on the basis of the fare, but you can also see which flight offers direct route, which has multiple stop-overs, baggage allowance, in-flight meal options, cancellation policy, etc. You can also check available discounts offered by payments partners and air carriers when booking the flight.

Which airlines offer cheapest airfare from Chicago to Sofia?

There is no set pricing for airlines to offer cheap flight fare from Chicago to Sofia. These fares are mostly decided on the basis of algorithms followed by air carriers to final the prizing based on demand. However, some multiple route flights with stop-overs offer cheap flights as compared to direct flight departing from Chicago to Sofia.

What is the best time to book cheap flight tickets from Chicago to Sofia?

To get cheap flight tickets from Chicago to Sofia, the best time would be to plan your trip during the off season. At that time the flight tickets are usually cheaper than the peak season and the accommodation booking is also available at the affordable price. The other way of booking cheap flight tickets from Chicago (CHI) to Sofia (SOF) is to book atleast 4 weeks in advance before your departure date to get competitive pricing on your tickets even during the peak season.

Is passport mandatory to travel from Chicago to Sofia?

When making an international trip, passport is mandatory as it defines your identity to the other nation officials. The VISA norms may differ from country to country, which means some would allow Visa on arrival and others may require you to obtain visa in advance. But the availability of passport is mandatory at the time of departure and arrival as well.

Can I find cheap accommodation near to airport when travelling from Chicago to Sofia?

There are several accommodation options available near the Sofia Airport. You can check for both budget friendly and well as five star accommodation near the airport depending on your requirement and budget. These hotels are mostly suitable for business travellers.

Can I cancel my ticket from Chicago to Sofia without cancellation charges?

To avoid cancellation charges on your air tickets, you need to make a selection at the time of booking for ZERO cancellation. Please note, the zero cancellation facility is chargeable with minimum amount and can help you save a lot at the time sudden cancellations.