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$296+ Cheap flights from Chicago (CHI) 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 11/16. Fares are subject to change and may not be available on all flights or dates of travel.
CHI — SOF
Nov 8 — Nov 151
1 adult
Fri 11/8
Fri 11/15
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The best prices from Chicago to Sofia are usually found in November or February, booked 5 days in advance, depart on a Thursday or Sunday and return on a Thursday

Cheap flight deals from Chicago to Sofia

Discover tips and strategies to find the most affordable flight options for your journey from Chicago (CHI) to Sofia (SOF). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated November 3, 2024.

Most accurate provider

AranGrant
3 stars

Most trusted provider

AranGrant
3 stars

Popular in

June

Cheapest in

November

Round-trip from

$510
(FlightHub)

One-way from

$296
(Kiwi.com)
Provider with most accurate pricing for Chicago (CHI)-Sofia flight deals.
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High demand for flights, 35% potential price rise
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Best time to find cheap flights, 30% potential price drop
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From Chicago (CHI) to Sofia
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One-way flight from Chicago (CHI) to Sofia
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Find flight deals from Chicago to Sofia

Cheapest flights from Chicago to Sofia
Explore the most affordable flight options available from Chicago to Sofia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 3, 2024.

This CrystalTravel deal was found by Cheapflights users on 11/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CrystalTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/137:05 pmORD - SOF
1 stop12h 10mMultiple Airlines
Mon 11/181:45 pmSOF - ORD
1 stop12h 40mMultiple Airlines
Deal found 11/2$601
This FareScan deal was found by Cheapflights users on 11/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FareScan is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/269:55 pmORD - SOF
1 stop31h 55mLOT
Tue 12/36:35 pmSOF - ORD
1 stop33h 25mLOT
Deal found 11/3$606
This British Airways deal was found by Cheapflights users on 11/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/96:30 pmORD - SOF
1 stop14h 40mBritish Airways
Tue 1/216:05 pmSOF - ORD
1 stop27h 50mBritish Airways
Deal found 11/2$627
This Air Canada deal was found by Cheapflights users on 11/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/1011:35 amORD - SOF
2 stops17h 55mAir Canada
Mon 1/206:00 amSOF - ORD
2 stops16h 45mAir Canada
Deal found 11/2$631
This Kiwi.com deal was found by Cheapflights users on 11/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/17:05 pmORD - SOF
2 stops15h 05mSWISS
Sun 12/811:05 amSOF - ORD
1 stop13h 10mSWISS
Deal found 11/1$632
This United Airlines deal was found by Cheapflights users on 11/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/89:25 pmORD - SOF
1 stop17h 20mUnited Airlines
Wed 1/156:00 amSOF - ORD
2 stops21h 37mUnited Airlines
Deal found 11/1$636
This Air France deal was found by Cheapflights users on 11/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/101:30 pmMDW - SOF
2 stops16h 25mMultiple Airlines
Thu 1/167:00 amSOF - MDW
2 stops19h 11mMultiple Airlines
Deal found 11/1$716
This Gurufare deal was found by Cheapflights users on 11/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/1110:35 pmORD - SOF
1 stop15h 50mLufthansa
Thu 1/236:10 amSOF - ORD
1 stop15h 15mLufthansa
Deal found 11/2$724
This KLM deal was found by Cheapflights users on 11/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/21:30 pmMDW - SOF
2 stops16h 35mKLM
Sun 12/87:00 amSOF - MDW
2 stops19h 32mKLM
Deal found 11/2$758
This Austrian Airlines deal was found by Cheapflights users on 11/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Austrian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/134:20 pmORD - SOF
1 stop17h 10mAustrian Airlines
Tue 1/146:45 pmSOF - ORD
1 stop27h 20mAustrian Airlines
Deal found 11/2$949
This Air France deal was found by Cheapflights users on 11/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/121:45 pmORD - SOF
2 stops16h 10mAir France
Tue 1/217:10 amSOF - ORD
1 stop15h 55mAir France
Deal found 11/2$1,001

Find flights from Chicago to Sofia within your budget

Customize your flight search to find flights from Chicago to Sofia that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,462,897 searches. Data last updated November 3, 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

ChicagoSofia

ORD - SOF

ORDSOF

Chicago O'Hare Intl

Sat 11/16

4:30 pm-11:40 am

3 stops59h 10m

$296

ChicagoSofia

ORD - SOF

ORDSOF

Chicago O'Hare Intl

Sat 11/16

9:55 pm-1:50 pm

1 stop31h 55m

$421

ChicagoSofia

ORD - SOF

ORDSOF

Chicago O'Hare Intl

Sun 12/1

9:25 pm-10:45 pm

1 stop17h 20m

$477

ChicagoSofia

ORD - SOF

ORDSOF

Chicago O'Hare Intl

Sat 11/16

4:35 pm-4:20 pm

2 stops39h 45m

$478

ChicagoSofia

ORD - SOF

ORDSOF

Chicago O'Hare Intl

Sat 11/30

12:08 am-1:00 pm

2 stops28h 52m

$494

ChicagoSofia

MDW - SOF

MDWSOF

Chicago Midway

Sun 12/1

1:30 pm-2:05 pm

2 stops16h 35m

$545

ChicagoSofia

ORD - SOF

ORDSOF

Chicago O'Hare Intl

Tue 12/17

11:55 am-8:50 pm

1 stop24h 55m

$958

ChicagoSofia

ORD - SOF

ORDSOF

Chicago O'Hare Intl

Tue 12/17

9:50 am-6:10 pm

2 stops24h 20m

$1,059

ChicagoSofia

MDW - SOF

MDWSOF

Chicago Midway

Tue 12/17

1:30 pm-1:55 pm

2 stops16h 25m

$1,264

ChicagoSofia

ORD - SOF

ORDSOF

Chicago O'Hare Intl

Wed 1/29

11:55 am-3:05 pm

1 stop19h 10m

Sofia

Wed 2/19

3:55 pm-10:10 am

1 stop26h 15m

$510

Flights are sorted by cheapest first

Deals found on 11/2

Showing 1-10 of 22 results
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Compare providers for flights from Chicago to Sofia

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 Chicago to Sofia in November.
ProviderPrice AccuracyTrust Score*Cancellation Policy
ExpediaPrice Accuracy1 starTrust Score*3 starsCancellation PolicyAirline Policy
AranGrantPrice Accuracy3 starsTrust Score*3 starsCancellation PolicyAirline Policy
eDreamsPrice Accuracy3 starsTrust Score*3 starsCancellation PolicyAirline Policy
FlightHubPrice Accuracy3 starsTrust Score*3 starsCancellation PolicyAirline Policy
CheapfaremartPrice Accuracy-Trust Score*1 starCancellation PolicyAirline Policy
KAYAKPrice Accuracy1 starTrust Score*3 starsCancellation PolicyAirline Policy
oojoPrice Accuracy3 starsTrust Score*3 starsCancellation PolicyAirline Policy
FlightnetworkPrice Accuracy3 starsTrust Score*3 starsCancellation PolicyAirline Policy
CheapOairPrice Accuracy2 starsTrust Score*3 starsCancellation PolicyAirline Policy
GurufarePrice Accuracy3 starsTrust Score*1 starCancellation PolicyAirline Policy

*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-Sofia flights, users find the pricing of AranGrant to be most consistent on Cheapflights vs. AranGrant Users can find the same prices on Chicago-Sofia flight deals on Cheapflights vs. AranGrant >95% of the time. Price accuracy is based on data collected from Chicago-Sofia flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Chicago-Sofia flights, Cheapflights users trust AranGrant the most. AranGrant 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-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 Chicago to Sofia

Have a flexible travel schedule? Discover the best time to fly to Sofia from Chicago 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.

Travel insights for flights from Chicago to Sofia

Get recent, data-driven insights about flights from Chicago to Sofia including ideal travel times, pricing trends, and more.

How far ahead should I book a flight from Chicago to Sofia?

Use this chart to determine the optimal time to book a round-trip flight from Chicago to Sofia. Price data was last updated on November 1, 2024.

The price you pay for your flight from Chicago to Sofia may vary depending on when you book. For the best chance of a lower fare, look to book 5 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

Find deals

What is the cheapest month to book a flight from Chicago to Sofia?

Currently, November is the cheapest month in which you can book a flight from Chicago to Sofia (average of $608). Flying from Chicago to Sofia in June is currently the most expensive (average of $1,242). 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 CHI to SOF?

Find hourly flight availability from Chicago to Sofia. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated November 3, 2024.

It’s optimal to fly from Chicago to Sofia in the morning. By choosing this option you can save up to 28% on the cost of your flight, compared to a flight at noon.

What is the cheapest day to fly from Chicago to Sofia?

Use this chart to determine the cheapest time to fly round-trip from Chicago to Sofia. Price data was last updated on October 27, 2024.

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

Find deals

Rainfall in Sofia by month

Plan your trip to Sofia by taking into account the average rainfall totals by month.

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.

Temperature in Sofia by month

Plan your trip to Sofia by taking into account the average temperature totals by month.

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).

Reviews of airlines servicing Sofia

Get insights into the airlines that provide service to Sofia. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Sofia. Reviews last updated November 3, 2024.
Peruse reviews from past customers who have flown with LOT, Turkish Airlines and British Airways from Chicago to Sofia to help guide your decision. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
KLM
7.8
Good
1,352 reviews

Comfort

7.7

Entertainment

7.2

Boarding

7.9

Food

7.3

Crew

8.4

Overall

7.8

Reviews

1 / 10

Liked the service, seating was ok but the seat supports where in a way that one couldn’t stretch your legs

KLM
7.8
Good
1,352 reviews
KLM
7.8
Good
1,352 reviews

Comfort

7.7

Entertainment

7.2

Boarding

7.9

Food

7.3

Crew

8.4

Overall

7.8

Reviews

1 / 10

Liked the service, seating was ok but the seat supports where in a way that one couldn’t stretch your legs

Austrian Airlines
7.7
Good
827 reviews
KLM
7.8
Good
1,352 reviews

Comfort

7.7

Entertainment

7.2

Boarding

7.9

Food

7.3

Crew

8.4

Overall

7.8

Reviews

1 / 10

Liked the service, seating was ok but the seat supports where in a way that one couldn’t stretch your legs

SWISS
7.6
Good
1,646 reviews
KLM
7.8
Good
1,352 reviews

Comfort

7.7

Entertainment

7.2

Boarding

7.9

Food

7.3

Crew

8.4

Overall

7.8

Reviews

1 / 10

Liked the service, seating was ok but the seat supports where in a way that one couldn’t stretch your legs

LOT
7.6
Good
1,197 reviews
KLM
7.8
Good
1,352 reviews

Comfort

7.7

Entertainment

7.2

Boarding

7.9

Food

7.3

Crew

8.4

Overall

7.8

Reviews

1 / 10

Liked the service, seating was ok but the seat supports where in a way that one couldn’t stretch your legs

Air France
7.4
Good
1,530 reviews
KLM
7.8
Good
1,352 reviews

Comfort

7.7

Entertainment

7.2

Boarding

7.9

Food

7.3

Crew

8.4

Overall

7.8

Reviews

1 / 10

Liked the service, seating was ok but the seat supports where in a way that one couldn’t stretch your legs

Related info for your journey

Find useful and relevant information for your journey from Chicago 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?

    Sofia (SOF) is the airport you will fly into if you book a flight from Chicago to Sofia. You should not have trouble finding flights to Sofia from Chicago; the airport handles an average of 0 inbound flights from Chicago per day. You should also have plenty of airline options to choose from since 11 airlines have flights to the Sofia airport from Chicago. It is only a 4.2 mi journey from Sofia (SOF) to Sofia’s city center.

  • Can I find flights from Chicago to Sofia for under $600 on Cheapflights?

    Yes, there are multiple flights from Chicago to Sofia for under $600. The cheapest flight booked recently is on Turkish Airlines for just $510, but on average you can expect to pay $591.

  • Are there last-minute flights available from Chicago to Sofia for under $700?

    There are currently 7+ open flights from Chicago to Sofia within the next 7 days for less than $700.

  • What are the cheapest airlines flying from Chicago to Sofia round-trip?

    According to our current data, Turkish Airlines ($510), British Airways ($539), and Air Canada ($541) offers the cheapest pricing from Chicago to Sofia. Turkish Airlines is currently priced 35% below the average price you’ll pay for this route.

  • What are the cheapest airlines to fly from Chicago to Sofia one-way?

    The cheapest airline one-way is LOT, with whom users have recently found tickets for as low as $421. However, be on the lookout for offers from Lufthansa and British Airways, as they are both options that can get you from Chicago to Sofia for a low price.

  • What does ORD to SOF mean?

    Great question - ORD to SOF just means Chicago O'Hare Intl Airport to Sofia Airport. Now you’ll know what these unique codes when you look for flights! Chicago Midway Airport (MDW), Chicago Greater Rockford Airport (RFD) are some additional IATA codes for airports related to your trip.

  • Where are the most common layover locations when flying from Chicago to Sofia?

    Chicago to Sofia flights have a layover in Istanbul most often. Munich sees the next most layovers on Chicago to Sofia flights.

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

    The majority of Istanbul visitors spend their time at Taksim Square, Sultan Ahmet Camii, and Laleli Camii. Taksim Square, Sultan Ahmet Camii, and Laleli Camii can be visited by traveling about 20.8 mi, 22.3 mi, and 21.5 mi respectively from Istanbul. Those on a layover in Istanbul in need of a rental car can book one at Istanbul for about $31.

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

    Most Munich visitors opt to spend their time at Theresienwiese, Marienplatz, and Altes Rathaus. Theresienwiese, Marienplatz, and Altes Rathaus are located about 18.8 mi, 17.8 mi, and 17.8 mi, respectively from Munich Franz Josef Strauss. Those on a layover in Munich in need of a rental car can book one at Munich Franz Josef Strauss for about $48.

  • Where are the least popular layover locations for Chicago to Sofia flights?

    Chicago to Sofia flights have a layover in Frankfurt am Main least often. Frankfurt am Main is followed by Warsaw in terms of the least popular layover location on flights from Chicago to Sofia.

  • Can I find deals for flights from Chicago to Sofia that include extra baggage allowance?

    The amount of baggage you can bring on your Chicago to Sofia flight depends on the airline and the type of fare you've chosen. After entering your flight details, you'll be able to view the specific baggage policies for each deal in the search results. Keep in mind that certain deals may offer additional baggage allowance.

  • Can I find deals on flights from Chicago to Sofia with specific airlines?

    Yes, Cheapflights allows you to browse and filter Chicago to Sofia flight deals by airline. After entering your origin and destination, use the available filters to view flights offered by airlines.

  • Can I find deals for flights from Chicago to Sofia that include hotel bookings?

    Yes. In addition to deals on Chicago to Sofia flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Chicago to Sofia?

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

  • Can I find deals for business class flights from Chicago to Sofia?

    Yes. Cheapflights offers flight deals from Chicago 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.

  • Can I find deals for flights from Chicago to Sofia that allow pets onboard?

    Many airlines flying from Chicago to Sofia offer the option to travel with pets. After selecting a flight deal, you can find more information about the airline's pet policy on their official website or by contacting the airline directly. Please note that additional fees and restrictions may apply.

  • Can I find deals on last-minute flights from Chicago to Sofia?

    Yes, you can often find last-minute deals on Chicago to Sofia flights on Cheapflights. However, these deals can vary and may not always be available. We recommend checking back frequently or signing up for price alerts for the most up-to-date deals.

  • How recently were the Chicago to Sofia flight deals updated?

    The Chicago to Sofia flight deals you see on this page were last updated on 11/3.

  • What is the cheapest month to book a flight from Chicago to Sofia?

    Currently, November is the cheapest month in which you can book a flight from Chicago to Sofia (average of $608). Flying from Chicago to Sofia in June is currently the most expensive (average of $1,242). 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.

See more FAQs

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Alternative routes for Chicago to Sofia

See prices for flight routes from nearby airports that may be better suited for you.
O'Hare Intl to Sofia flights
Midway to Sofia flights
St. Louis to Sofia flights

Top 10 airlines flying from Chicago to Sofia

Discover the top 10 airlines that operate flights from Chicago to Sofia. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,462,897 searches. Data last updated November 3, 2024.
AirlineCheapestAverageFlexibilityOn-time
Turkish AirlinesCheapest$517Average$726FlexibilityNo cancel feeOn-time77%
Austrian AirlinesCheapest$524Average$827FlexibilityNo cancel feeOn-time78%
KLMCheapest$545Average$738FlexibilityNo cancel feeOn-time75%
LOTCheapest$578Average$911FlexibilityNo cancel feeOn-time81%
LufthansaCheapest$587Average$957FlexibilityNo cancel feeOn-time76%
British AirwaysCheapest$588Average$909FlexibilityNo cancel feeOn-time70%
United AirlinesCheapest$589Average$887FlexibilityNo cancel feeOn-time69%
ITA AirwaysCheapest$650Average$817FlexibilityNo cancel feeOn-time81%
SWISSCheapest$666Average$1,096FlexibilityNo cancel feeOn-time79%
Air CanadaCheapest$691Average$984FlexibilityNo cancel feeOn-time67%
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