What’s the cheapest layover airport for flights from Chicago O'Hare Intl Airport to Sofia?

Paris (CDG) is the most affordable 1-stop option, with an average round-trip price of $594.

Which airport typically offers the quickest layover for flights from Chicago O'Hare Intl Airport to Sofia?

Flights via Zurich (ZRH) offer the fastest connection on this route, with an average layover time of 0h 48m.

What’s the top layover airport for flights from Chicago O'Hare Intl Airport to Sofia?

Warsaw (WAW) – chosen by Cheapflights users on 38% of 1-stop itineraries from Chicago O'Hare Intl Airport to Sofia on Cheapflights.

What’s the fastest layover option from Chicago O'Hare Intl Airport to Sofia?

Flights via Vienna (VIE) have the shortest average one-way travel time for 1-stop routes: 11h 20m.

How long is the flight from Chicago O'Hare Intl Airport to Sofia?

There are many flights that can get you from Chicago O'Hare Intl Airport to Sofia in 16h 55m. Fly via Lufthansa or United Airlines to get the fastest option. Airlines will cover a distance of 5194 mi. Both multi-stop and nonstop flights can be found to your destination and back.

What are the cheapest airlines flying from Chicago O'Hare Intl Airport to Sofia round-trip?

Our cheapest airline available from Chicago O'Hare Intl Airport to Sofia is Turkish Airlines. Our recent data shows that you can find tickets from as low as $511 on this airline. Additional options worth looking into are KLM and LOT, starting at $533 and $570 round-trip. You may be able to fly from Chicago O'Hare Intl Airport to Sofia for 32% less than the average price by searching for these airlines.

In terms of precipitation, rainfall in Sofia ranges from 1.2 - 2.8 inches per month. June is typically the wettest month, when rainfall can reach 2.8 in. January is typically the driest time to visit Sofia when rainfall is around 1.2 in.

If weather is an important factor for your trip to Sofia, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 68.0 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 30.2 F).

What are the most popular airlines that fly from Chicago O'Hare Intl Airport to Sofia?

Consider Lufthansa, Turkish Airlines or LOT when booking your flight. These represent the most popular airlines when flying from Chicago O'Hare Intl Airport to Sofia.

Where are the most common layover locations when flying from Chicago O'Hare Intl Airport to Sofia?

Chicago O'Hare Intl Airport to Sofia flights have a layover in Istanbul most often. Munich is the second most popular location for layovers on flights from Chicago O'Hare Intl Airport to Sofia.

Where are the least popular layover locations for Chicago O'Hare Intl Airport to Sofia flights?

Chicago O'Hare Intl Airport to Sofia flights that have layovers will least frequently stop in Munich.

What are some popular things to do or see while on a layover in Istanbul?

Istanbul travelers tend to visit Taksim Square, Beyazit Meydani, and Laleli Camii more than anywhere else. Travelers on a layover in Istanbul can visit Taksim Square, Beyazit Meydani, and Laleli Camii, by traveling 20.8 mi, 21.7 mi, and 21.5 mi, respectively after landing at Istanbul. Travelers can book a car rental at Istanbul for about $37 per day to make their sightseeing more efficient.

What are some popular points of interest to see during a layover in Munich?

Munich travelers tend to visit Theresienwiese, Marienplatz, and Altes Rathaus more than any other notable places. Theresienwiese, Marienplatz and Altes Rathaus are located about 18.8 mi, 17.8 mi, and 17.8 mi, respectively from Munich Franz Josef Strauss if you are interested in checking them out. Travelers can book a car rental at Munich Franz Josef Strauss for about $44 per day to make their sightseeing more efficient.

Most accurate provider : When it comes to deals on Chicago O'Hare Intl Airport-Sofia flights, users find the pricing of Justfly.com to be most consistent on Cheapflights vs. Justfly.com Users can find the same prices on Chicago O'Hare Intl Airport-Sofia flight deals on Cheapflights vs. Justfly.com >95% of the time. Price accuracy is based on data collected from Chicago O'Hare Intl Airport-Sofia flight searches over the past month and is updated monthly.

Most trusted provider : When it comes to deals on Chicago O'Hare Intl Airport-Sofia flights, Cheapflights users trust Justfly.com the most. Justfly.com has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Chicago O'Hare Intl Airport-Sofia flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

What airport do you fly into for flights to Sofia from Chicago O'Hare Intl?

Sofia (SOF) is the airport you will fly into if you book a flight from Chicago O'Hare Intl to Sofia. You should not have trouble finding flights to Sofia from Chicago O'Hare Intl; the airport handles an average of 0 inbound flights from Chicago O'Hare Intl per day. You should also have plenty of airline options to choose from since 10 airlines have flights to the Sofia airport from Chicago O'Hare Intl. It is only a 4.2 mi journey from Sofia (SOF) to Sofia’s city center.

Can I find deals for flights from O'Hare Intl to Sofia that include hotel bookings?

Yes. In addition to deals on O'Hare Intl to Sofia flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from O'Hare Intl to Sofia?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from O'Hare Intl to Sofia.

Can I find deals for business class flights from O'Hare Intl to Sofia?

Yes. Cheapflights offers flight deals from O'Hare Intl to Sofia by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

$254+ Cheap Flights from Chicago O'Hare Intl Airport to Sofia

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Cheapflights Tip: The best prices from Chicago O'Hare Intl to Sofia are usually found in January or October, booked 46 days in advance, depart on a Thursday or Sunday and return on a Wednesday

Find flight deals from O'Hare Intl to Sofia

Cheapest flights from O'Hare Intl to Sofia
Explore the most affordable flight options available from O'Hare Intl to Sofia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 16, 2025.

Thu 11/279:50 pmORD - SOF

1 stop16h 55mLufthansa

Thu 12/116:00 amSOF - ORD

1 stop15h 10mLufthansa

Deal found 11/14

$565

Mon 12/83:35 pmORD - SOF

2 stops23h 55mMultiple Airlines

Mon 12/152:35 pmSOF - ORD

2 stops33h 45mMultiple Airlines

Deal found 11/15

$568

Mon 12/89:50 pmORD - SOF

1 stop12h 30mLufthansa

Mon 12/156:05 amSOF - ORD

2 stops15h 05mLufthansa

Deal found 11/15

$572

Wed 11/269:50 pmORD - SOF

1 stop12h 30mLufthansa

Fri 12/56:10 amSOF - ORD

1 stop15h 00mLufthansa

Deal found 11/14

$574

Mon 12/19:50 pmORD - SOF

1 stop12h 30mLufthansa

Sun 12/146:10 amSOF - ORD

1 stop15h 00mLufthansa

Deal found 11/16

$580

Mon 12/89:50 pmORD - SOF

1 stop12h 30mLufthansa

Mon 12/226:45 pmSOF - ORD

1 stop26h 25mLufthansa

Deal found 11/16

$584

Fri 11/286:30 pmORD - SOF

2 stops21h 00mMultiple Airlines

Fri 12/55:00 amSOF - ORD

3 stops20h 20mMultiple Airlines

Deal found 11/14

$587

Thu 11/279:55 pmORD - SOF

1 stop31h 55mLOT

Thu 12/116:35 pmSOF - ORD

1 stop33h 25mLOT

Deal found 11/15

$590

Sun 11/169:50 pmORD - SOF

1 stop16h 55mLufthansa

Fri 3/62:35 pmSOF - ORD

1 stop13h 30mLufthansa

Deal found 11/15

$596

Sun 12/289:50 pmORD - SOF

1 stop16h 55mLufthansa

Wed 1/146:05 amSOF - ORD

1 stop20h 20mLufthansa

Deal found 11/16

$598

Sun 12/289:50 pmORD - SOF

1 stop16h 55mMultiple Airlines

Wed 1/146:05 amSOF - ORD

2 stops21h 25mMultiple Airlines

Deal found 11/16

$600

Best flights from O'Hare Intl to Sofia
Discover carefully curated flight deals from O'Hare Intl to Sofia that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated November 16, 2025.

Sun 12/289:50 pmORD - SOF

1 stop16h 55mUnited Airlines

Fri 1/166:10 amSOF - ORD

1 stop17h 10mUnited Airlines

Deal found 11/16

$607

Thu 2/269:50 pmORD - SOF

1 stop16h 55mLufthansa

Mon 3/22:20 pmSOF - ORD

1 stop13h 45mLufthansa

Deal found 11/14

$609

Fri 11/282:47 pmORD - SOF

2 stops15h 08mMultiple Airlines

Fri 12/57:00 amSOF - ORD

2 stops19h 02mMultiple Airlines

Deal found 11/14

$623

Thu 2/266:00 pmORD - SOF

1 stop20h 45mUnited Airlines

Mon 3/26:10 amSOF - ORD

1 stop17h 10mUnited Airlines

Deal found 11/15

$609

Tue 12/99:50 pmORD - SOF

1 stop12h 30mUnited Airlines

Wed 1/146:05 amSOF - ORD

1 stop16h 05mUnited Airlines

Deal found 11/16

$611

Tue 12/99:50 pmORD - SOF

1 stop16h 55mUnited Airlines

Mon 1/126:05 amSOF - ORD

1 stop16h 05mUnited Airlines

Deal found 11/15

$611

Mon 12/86:15 pmORD - SOF

2 stops16h 05mUnited Airlines

Mon 1/126:05 amSOF - ORD

1 stop16h 05mUnited Airlines

Deal found 11/15

$615

Sun 12/289:50 pmORD - SOF

1 stop16h 55mUnited Airlines

Wed 1/146:05 amSOF - ORD

2 stops19h 43mUnited Airlines

Deal found 11/14

$617

Tue 12/99:50 pmORD - SOF

1 stop12h 30mUnited Airlines

Thu 1/156:05 amSOF - ORD

2 stops19h 43mUnited Airlines

Deal found 11/16

$617

Sun 12/79:50 pmORD - SOF

1 stop16h 55mUnited Airlines

Fri 1/96:05 amSOF - ORD

2 stops25h 04mUnited Airlines

Deal found 11/15

$621

Wed 12/3110:35 pmORD - SOF

1 stop16h 10mUnited Airlines

Wed 1/146:05 amSOF - ORD

1 stop20h 20mUnited Airlines

Deal found 11/16

$625

Tue 12/99:50 pmORD - SOF

1 stop12h 30mUnited Airlines

Sat 1/107:55 amSOF - ORD

2 stops20h 08mUnited Airlines

Deal found 11/15

$635

Last-minute flights from O'Hare Intl to Sofia
Discover last-minute flight deals from O'Hare Intl to Sofia. Data last updated November 16, 2025 and is based on user searches.

Sun 11/169:50 pmORD - SOF

1 stop16h 55mLufthansa

Fri 3/62:35 pmSOF - ORD

1 stop13h 30mLufthansa

Deal found 11/15

$596

Wed 11/269:50 pmORD - SOF

1 stop12h 30mLufthansa

Fri 12/56:10 amSOF - ORD

1 stop15h 00mLufthansa

Deal found 11/14

$574

Wed 11/269:50 pmORD - SOF

1 stop12h 30mLufthansa

Sun 12/142:25 pmSOF - ORD

1 stop13h 40mLufthansa

Deal found 11/14

$595

Thu 11/279:50 pmORD - SOF

1 stop16h 55mLufthansa

Thu 12/116:00 amSOF - ORD

1 stop15h 10mLufthansa

Deal found 11/14

$565

Thu 11/279:55 pmORD - SOF

1 stop31h 55mLOT

Thu 12/116:35 pmSOF - ORD

1 stop33h 25mLOT

Deal found 11/15

$590

Fri 11/286:30 pmORD - SOF

2 stops21h 00mMultiple Airlines

Fri 12/55:00 amSOF - ORD

3 stops20h 20mMultiple Airlines

Deal found 11/14

$587

Mon 12/19:50 pmORD - SOF

1 stop12h 30mLufthansa

Sun 12/146:10 amSOF - ORD

1 stop15h 00mLufthansa

Deal found 11/16

$580

Mon 12/83:35 pmORD - SOF

2 stops23h 55mMultiple Airlines

Mon 12/152:35 pmSOF - ORD

2 stops33h 45mMultiple Airlines

Deal found 11/15

$568

Mon 12/89:50 pmORD - SOF

1 stop12h 30mLufthansa

Mon 12/156:05 amSOF - ORD

2 stops15h 05mLufthansa

Deal found 11/15

$572

Mon 12/89:50 pmORD - SOF

1 stop12h 30mLufthansa

Mon 12/226:45 pmSOF - ORD

1 stop26h 25mLufthansa

Deal found 11/16

$584

Sun 12/289:50 pmORD - SOF

1 stop16h 55mLufthansa

Wed 1/146:05 amSOF - ORD

1 stop20h 20mLufthansa

Deal found 11/16

$598

Sun 12/289:50 pmORD - SOF

1 stop16h 55mMultiple Airlines

Wed 1/146:05 amSOF - ORD

2 stops21h 25mMultiple Airlines

Deal found 11/16

$600

One-way flights from O'Hare Intl to Sofia
Search for one-way flight options from O'Hare Intl to Sofia. Find affordable one-way fares based on user searches. Data last updated November 16, 2025.

Sun 1/114:38 pmORD - SOF

2 stops42h 47mMultiple Airlines

Deal found 11/13

$254

Thu 1/84:38 pmORD - SOF

2 stops45h 12mMultiple Airlines

Deal found 11/14

$270

Fri 1/98:35 amORD - SOF

2 stops29h 15mMultiple Airlines

Deal found 11/14

$271

Wed 1/76:30 pmORD - SOF

3 stops37h 40mMultiple Airlines

Deal found 11/16

$280

Sat 1/104:38 pmORD - SOF

2 stops43h 27mMultiple Airlines

Deal found 11/13

$281

Mon 12/88:36 amORD - SOF

3 stops45h 09mMultiple Airlines

Deal found 11/14

$282

Tue 12/306:30 pmORD - SOF

3 stops45h 05mMultiple Airlines

Deal found 11/14

$284

Mon 1/56:40 amORD - SOF

3 stops48h 55mMultiple Airlines

Deal found 11/16

$291

Cheap flight deals from O'Hare Intl to Sofia

Most accurate provider	Justfly.com 3 stars
Most trusted provider	Justfly.com 3 stars
Round-trip from	$559 (FlightHub)
One-way from	$254 (Kiwi.com)
Popular in	June
Cheapest in	January
Average price	$646

Provider with most accurate pricing for Chicago O'Hare Intl-Sofia flight deals.

Search Deals

Provider most trusted by Cheapflights users for Chicago O'Hare Intl-Sofia flights.

Search Deals

From Chicago O'Hare Intl to Sofia

Search Deals

One-way flight from Chicago O'Hare Intl to Sofia

Search Deals

Highest demand for flights based on searches. 25% potential increase in price ($264 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 4% potential price decrease ($35 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in November 2025

Search Deals

Cheapflights Fare Finder

Use the filters below to find and compare flights from Chicago O'Hare Intl Airport to Sofia that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

ChicagoSofia

ORD - SOF

ORDSOF

Chicago O'Hare Intl

Sun 12/28

9:50 pm-10:45 pm

1 stop16h 55m

Sofia

Fri 1/16

6:10 am-3:20 pm

1 stop17h 10m

$607

ChicagoSofia

ORD - SOF

ORDSOF

Chicago O'Hare Intl

Thu 2/26

9:50 pm-10:45 pm

1 stop16h 55m

Sofia

Mon 3/2

2:20 pm-8:05 pm

1 stop13h 45m

$609

ChicagoSofia

ORD - SOF

ORDSOF

Chicago O'Hare Intl

Thu 2/26

6:00 pm-10:45 pm

1 stop20h 45m

Sofia

Mon 3/2

6:10 am-3:20 pm

1 stop17h 10m

$609

ChicagoSofia

ORD - SOF

ORDSOF

Chicago O'Hare Intl

Tue 12/9

9:50 pm-6:20 pm

1 stop12h 30m

Sofia

Wed 1/14

6:05 am-2:10 pm

1 stop16h 05m

$611

ChicagoSofia

ORD - SOF

ORDSOF

Chicago O'Hare Intl

Tue 12/9

9:50 pm-10:45 pm

1 stop16h 55m

Sofia

Mon 1/12

6:05 am-2:10 pm

1 stop16h 05m

$611

ChicagoSofia

ORD - SOF

ORDSOF

Chicago O'Hare Intl

Mon 12/8

6:15 pm-6:20 pm

2 stops16h 05m

Sofia

Mon 1/12

6:05 am-2:10 pm

1 stop16h 05m

$615

ChicagoSofia

ORD - SOF

ORDSOF

Chicago O'Hare Intl

Sun 12/28

9:50 pm-10:45 pm

1 stop16h 55m

Sofia

Wed 1/14

6:05 am-5:48 pm

2 stops19h 43m

$617

ChicagoSofia

ORD - SOF

ORDSOF

Chicago O'Hare Intl

Tue 12/9

9:50 pm-6:20 pm

1 stop12h 30m

Sofia

Thu 1/15

6:05 am-5:48 pm

2 stops19h 43m

$617

ChicagoSofia

ORD - SOF

ORDSOF

Chicago O'Hare Intl

Sun 12/7

9:50 pm-10:45 pm

1 stop16h 55m

Sofia

Fri 1/9

6:05 am-11:09 pm

2 stops25h 04m

$621

ChicagoSofia

ORD - SOF

ORDSOF

Chicago O'Hare Intl

Fri 11/28

2:47 pm-1:55 pm

2 stops15h 08m

Sofia

Fri 12/5

7:00 am-6:02 pm

2 stops19h 02m

$623

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/14

Showing 1-10 of 20 results

Compare providers for flights from O'Hare Intl to Sofia

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from O'Hare Intl to Sofia in November.

Provider	Price Accuracy	Trust Score*
Expedia	Price Accuracy2 stars	Trust Score*3 stars
FlightHub	Price Accuracy3 stars	Trust Score*1 star
eDreams	Price Accuracy3 stars	Trust Score*3 stars
Cheapfaremart	Price Accuracy-	Trust Score*1 star
Cheapflightsfares	Price Accuracy3 stars	Trust Score*2 stars
AranGrant	Price Accuracy2 stars	Trust Score*3 stars
Justfly.com	Price Accuracy3 stars	Trust Score*3 stars
oojo	Price Accuracy3 stars	Trust Score*3 stars
Ovago	Price Accuracy2 stars	Trust Score*2 stars
Kiwi.com	Price Accuracy3 stars	Trust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

Most accurate provider: When it comes to deals on Chicago O'Hare Intl Airport-Sofia flights, users find the pricing of Justfly.com to be most consistent on Cheapflights vs. Justfly.com Users can find the same prices on Chicago O'Hare Intl Airport-Sofia flight deals on Cheapflights vs. Justfly.com >95% of the time. Price accuracy is based on data collected from Chicago O'Hare Intl Airport-Sofia flight searches over the past month and is updated monthly.
Most trusted provider: When it comes to deals on Chicago O'Hare Intl Airport-Sofia flights, Cheapflights users trust Justfly.com the most. Justfly.com has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Chicago O'Hare Intl Airport-Sofia flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from O'Hare Intl to Sofia

Have a flexible travel schedule? Discover the best time to fly to Sofia from O'Hare Intl with our price prediction graph.

Estimated round-trip price

Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Chicago O'Hare Intl Airport to Sofia

Prices

How far ahead should I book a flight from Chicago O'Hare Intl Airport to Sofia?

The best time to book flights from Chicago O'Hare Intl Airport to Sofia is 46 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

What is the cheapest month to book a flight from Chicago O'Hare Intl Airport to Sofia?

Currently, November is the cheapest month in which you can book a flight from Chicago O'Hare Intl Airport to Sofia (average of $492). Flying from Chicago O'Hare Intl Airport to Sofia in June is currently the most expensive (average of $826). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from ORD to SOF?

Unlike at noon, when flights are generally more expensive, you can save up to 32% on flights from Chicago O'Hare Intl Airport to Sofia by exploring options for tickets in the morning.

What is the cheapest day to fly from Chicago O'Hare Intl Airport to Sofia?

Travelers seeking maximum savings on their Chicago O'Hare Intl Airport to Sofia flight should consider departing on Monday mornings when fares are most often at their lowest. Sunday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

Reviews of airlines servicing Sofia

Get a feel of what it's like to fly with LOT, United Airlines, and Turkish Airlines from Chicago O'Hare Intl Airport to Sofia by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

LOT

7.5

Good

1,134 reviews

Reviews

1 / 20

10.0

Excellent

Rami,Sep 2025

LAX - WAW

The second leg. Very tight seats No WiFi on both flights

LOT

7.5

Good

1,134 reviews

LOT

7.5

Good

1,134 reviews

Reviews

1 / 20

10.0

Excellent

Rami,Sep 2025

LAX - WAW

The second leg. Very tight seats No WiFi on both flights

United Airlines

7.4

Good

9,016 reviews

LOT

7.5

Good

1,134 reviews

Reviews

1 / 20

10.0

Excellent

Rami,Sep 2025

LAX - WAW

The second leg. Very tight seats No WiFi on both flights

Turkish Airlines

7.3

Good

4,045 reviews

LOT

7.5

Good

1,134 reviews

Reviews

1 / 20

10.0

Excellent

Rami,Sep 2025

LAX - WAW

The second leg. Very tight seats No WiFi on both flights

Lufthansa

6.8

Okay

7,574 reviews

LOT

7.5

Good

1,134 reviews

Reviews

1 / 20

10.0

Excellent

Rami,Sep 2025

LAX - WAW

The second leg. Very tight seats No WiFi on both flights

Air Serbia

6.2

Okay

207 reviews

LOT

7.5

Good

1,134 reviews

Reviews

1 / 20

10.0

Excellent

Rami,Sep 2025

LAX - WAW

The second leg. Very tight seats No WiFi on both flights

Related info for your journey

What airport do you fly into for flights to Sofia from Chicago O'Hare Intl?
Sofia (SOF) is the airport you will fly into if you book a flight from Chicago O'Hare Intl to Sofia. You should not have trouble finding flights to Sofia from Chicago O'Hare Intl; the airport handles an average of 0 inbound flights from Chicago O'Hare Intl per day. You should also have plenty of airline options to choose from since 10 airlines have flights to the Sofia airport from Chicago O'Hare Intl. It is only a 4.2 mi journey from Sofia (SOF) to Sofia’s city center.
How long is the flight from Chicago O'Hare Intl Airport to Sofia?
There are many flights that can get you from Chicago O'Hare Intl Airport to Sofia in 16h 55m. Fly via Lufthansa or United Airlines to get the fastest option. Airlines will cover a distance of 5194 mi. Both multi-stop and nonstop flights can be found to your destination and back.
What are the cheapest airlines flying from Chicago O'Hare Intl Airport to Sofia round-trip?
Our cheapest airline available from Chicago O'Hare Intl Airport to Sofia is Turkish Airlines. Our recent data shows that you can find tickets from as low as $511 on this airline. Additional options worth looking into are KLM and LOT, starting at $533 and $570 round-trip. You may be able to fly from Chicago O'Hare Intl Airport to Sofia for 32% less than the average price by searching for these airlines.
Where are the most common layover locations when flying from Chicago O'Hare Intl Airport to Sofia?
Chicago O'Hare Intl Airport to Sofia flights have a layover in Istanbul most often. Munich is the second most popular location for layovers on flights from Chicago O'Hare Intl Airport to Sofia.
What are some popular things to do or see while on a layover in Istanbul?
Istanbul travelers tend to visit Taksim Square, Beyazit Meydani, and Laleli Camii more than anywhere else. Travelers on a layover in Istanbul can visit Taksim Square, Beyazit Meydani, and Laleli Camii, by traveling 20.8 mi, 21.7 mi, and 21.5 mi, respectively after landing at Istanbul. Travelers can book a car rental at Istanbul for about $37 per day to make their sightseeing more efficient.
What are some popular points of interest to see during a layover in Munich?
Munich travelers tend to visit Theresienwiese, Marienplatz, and Altes Rathaus more than any other notable places. Theresienwiese, Marienplatz and Altes Rathaus are located about 18.8 mi, 17.8 mi, and 17.8 mi, respectively from Munich Franz Josef Strauss if you are interested in checking them out. Travelers can book a car rental at Munich Franz Josef Strauss for about $44 per day to make their sightseeing more efficient.
Where are the least popular layover locations for Chicago O'Hare Intl Airport to Sofia flights?
Chicago O'Hare Intl Airport to Sofia flights that have layovers will least frequently stop in Munich.
Can I find deals for flights from O'Hare Intl to Sofia that include hotel bookings?
Yes. In addition to deals on O'Hare Intl to Sofia flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from O'Hare Intl to Sofia?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from O'Hare Intl to Sofia.
Can I find deals for business class flights from O'Hare Intl to Sofia?
Yes. Cheapflights offers flight deals from O'Hare Intl to Sofia by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.
What is the cheapest month to book a flight from Chicago O'Hare Intl Airport to Sofia?
Currently, November is the cheapest month in which you can book a flight from Chicago O'Hare Intl Airport to Sofia (average of $492). Flying from Chicago O'Hare Intl Airport to Sofia in June is currently the most expensive (average of $826). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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Top 10 airlines flying from O'Hare Intl to Sofia

Airline	Cheapest	Average	Flexibility	On-time
Turkish Airlines	Cheapest$511	Average$770	FlexibilityNo cancel fee	On-time77%
KLM	Cheapest$533	Average$696	FlexibilityNo cancel fee	On-time75%
LOT	Cheapest$570	Average$967	FlexibilityNo cancel fee	On-time81%
Air France	Cheapest$585	Average$624	FlexibilityNo cancel fee	On-time77%
Lufthansa	Cheapest$590	Average$883	FlexibilityNo cancel fee	On-time76%
SWISS	Cheapest$593	Average$808	FlexibilityNo cancel fee	On-time79%
United Airlines	Cheapest$600	Average$791	FlexibilityNo cancel fee	On-time69%
Austrian Airlines	Cheapest$606	Average$976	FlexibilityNo cancel fee	On-time78%
British Airways	Cheapest$611	Average$759	FlexibilityNo cancel fee	On-time70%
Air Serbia	Cheapest$634	Average$1,010	FlexibilityNo cancel fee	On-timeN/A

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$254+ Cheap flights from O'Hare Intl (ORD) to Sofia (SOF)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 1/11. Fares are subject to change and may not be available on all flights or dates of travel.

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Cheapflights Tip: The best prices from Chicago O'Hare Intl to Sofia are usually found in January or October, booked 46 days in advance, depart on a Thursday or Sunday and return on a Wednesday

Find flight deals from O'Hare Intl to Sofia

Cheapest flights from O'Hare Intl to SofiaExplore the most affordable flight options available from O'Hare Intl to Sofia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 16, 2025.

Explore the most affordable flight options available from O'Hare Intl to Sofia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 16, 2025.

Cheap flight deals from O'Hare Intl to Sofia

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Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from O'Hare Intl to Sofia in November.

Best time to book a flight from O'Hare Intl to Sofia

Have a flexible travel schedule? Discover the best time to fly to Sofia from O'Hare Intl with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from Chicago O'Hare Intl Airport to Sofia

How far ahead should I book a flight from Chicago O'Hare Intl Airport to Sofia?

What is the cheapest month to book a flight from Chicago O'Hare Intl Airport to Sofia?

What is the cheapest time of day to fly from ORD to SOF?

What is the cheapest day to fly from Chicago O'Hare Intl Airport to Sofia?

What’s the top layover airport for flights from Chicago O'Hare Intl Airport to Sofia?

What’s the fastest layover option from Chicago O'Hare Intl Airport to Sofia?

What’s the fastest layover option from Chicago O'Hare Intl Airport to Sofia?

Which airport typically offers the quickest layover for flights from Chicago O'Hare Intl Airport to Sofia?

Reviews of airlines servicing Sofia

Get a feel of what it's like to fly with LOT, United Airlines, and Turkish Airlines from Chicago O'Hare Intl Airport to Sofia by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Find useful and relevant information for your journey from O'Hare Intl to Sofia. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

What airport do you fly into for flights to Sofia from Chicago O'Hare Intl?

How long is the flight from Chicago O'Hare Intl Airport to Sofia?

What are the cheapest airlines flying from Chicago O'Hare Intl Airport to Sofia round-trip?

Where are the most common layover locations when flying from Chicago O'Hare Intl Airport to Sofia?

What are some popular things to do or see while on a layover in Istanbul?

What are some popular points of interest to see during a layover in Munich?

Where are the least popular layover locations for Chicago O'Hare Intl Airport to Sofia flights?

Can I find deals for flights from O'Hare Intl to Sofia that include hotel bookings?

How can I find direct flights from O'Hare Intl to Sofia?

Can I find deals for business class flights from O'Hare Intl to Sofia?

What is the cheapest month to book a flight from Chicago O'Hare Intl Airport to Sofia?

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Alternative routes for O'Hare Intl to Sofia

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Top 10 airlines flying from O'Hare Intl to Sofia

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Cheapest flights from O'Hare Intl to Sofia
Explore the most affordable flight options available from O'Hare Intl to Sofia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 16, 2025.