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$302+ Cheap flights from Chicago (CHI) to Bulgaria

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 11/18. Fares are subject to change and may not be available on all flights or dates of travel.
CHI — SOF
Nov 9 — Nov 161
Sat 11/9
Sat 11/16
1 adult, Economy
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Find flight deals from Chicago to Bulgaria

Cheapest flights from Chicago to Bulgaria
Explore the most affordable flight options available from Chicago to Bulgaria. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 4, 2024.

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 Cheapflightsfares 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/53:55 pmORD - SOF
1 stop22h 30mMultiple Airlines
Mon 11/113:00 pmSOF - ORD
1 stop33h 15mMultiple Airlines
Deal found 11/3$615
This British Airways 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/116:35 pmORD - SOF
1 stop14h 35mBritish Airways
Mon 11/255:25 pmSOF - ORD
1 stop28h 30mBritish Airways
Deal found 11/3$626
This Air Canada 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/811:35 amORD - SOF
2 stops18h 05mAir Canada
Mon 1/206:00 amSOF - ORD
2 stops16h 45mAir Canada
Deal found 11/3$631
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/96:00 pmORD - SOF
1 stop20h 45mUnited Airlines
Thu 1/166:10 amSOF - ORD
2 stops24h 03mUnited Airlines
Deal found 11/3$637
This Lufthansa 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/79:25 pmORD - SOF
1 stop17h 20mLufthansa
Mon 11/252:20 pmSOF - ORD
1 stop13h 45mLufthansa
Deal found 11/3$640
This KLM 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/91:30 pmMDW - SOF
2 stops16h 35mKLM
Wed 12/257:00 amSOF - MDW
2 stops18h 11mKLM
Deal found 11/3$663
This United 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 United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/161:21 pmORD - VAR
2 stops17h 54mMultiple Airlines
Sat 11/234:00 pmVAR - ORD
2 stops37h 22mMultiple Airlines
Deal found 11/3$664
This Air France 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 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
Sat 1/187:00 amSOF - MDW
2 stops18h 47mMultiple Airlines
Deal found 11/3$716
This oojo deal was found by Cheapflights users on 11/4. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/114:20 pmORD - VAR
1 stop14h 55mAustrian Airlines
Sun 12/154:00 pmVAR - ORD
1 stop30h 05mAustrian Airlines
Deal found 11/4$728
This Air France 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 Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/812:40 pmORD - SOF
2 stops17h 15mAir France
Thu 11/217:10 amSOF - ORD
1 stop15h 55mAir France
Deal found 11/3$745
This SWISS 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 SWISS is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/137:05 pmORD - SOF
1 stop31h 15mSWISS
Thu 1/164:00 pmSOF - ORD
1 stop32h 15mSWISS
Deal found 11/3$940

Find flights from Chicago to Bulgaria within your budget

Customize your flight search to find flights from Chicago to Bulgaria 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 2,455,398 searches. Data last updated November 4, 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

ChicagoVarna

ORD - VAR

ORDVAR

Chicago O'Hare Intl

Mon 11/18

6:30 pm-10:10 pm

3 stops43h 40m

$302

ChicagoVarna

ORD - VAR

ORDVAR

Chicago O'Hare Intl

Wed 3/5

4:20 pm-3:15 pm

1 stop14h 55m

$318

ChicagoSofia

ORD - SOF

ORDSOF

Chicago O'Hare Intl

Fri 12/6

9:55 pm-1:50 pm

1 stop31h 55m

$421

ChicagoVarna

ORD - VAR

ORDVAR

Chicago O'Hare Intl

Wed 3/5

3:55 pm-3:15 pm

2 stops15h 20m

$432

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

ChicagoVarna

ORD - VAR

ORDVAR

Chicago O'Hare Intl

Sun 3/9

9:30 pm-8:40 pm

1 stop16h 10m

$547

ChicagoSofia

ORD - SOF

ORDSOF

Chicago O'Hare Intl

Wed 11/20

6:35 pm-9:45 pm

3 stops43h 10m

$306

ChicagoSofia

ORD - SOF

ORDSOF

Chicago O'Hare Intl

Sun 12/1

9:25 pm-6:10 pm

1 stop12h 45m

$477

ChicagoSofia

ORD - SOF

ORDSOF

Chicago O'Hare Intl

Tue 2/4

8:30 pm-8:50 pm

1 stop16h 20m

Sofia

Tue 2/18

9:40 pm-10:10 am

1 stop20h 30m

$510

Flights are sorted by cheapest first

Deals found on 11/3

Showing 1-10 of 24 results
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Best time to book a flight from Chicago to Bulgaria

Have a flexible travel schedule? Discover the best time to fly to Bulgaria 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 Bulgaria

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

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

Currently, November is the cheapest month in which you can book a flight from Chicago to Bulgaria (average of $608). Flying from Chicago to Bulgaria 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 BG?

Find hourly flight availability from Chicago to Bulgaria. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated November 4, 2024.

When flying from Chicago to Bulgaria, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Rainfall in Bulgaria by month

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

In terms of precipitation, rainfall in Bulgaria 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 Bulgaria when rainfall is around 1.2 in.

Temperature in Bulgaria by month

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

If weather is an important factor for your trip to Bulgaria, 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 Bulgaria

Get insights into the airlines that provide service to Bulgaria. 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 Bulgaria. Reviews last updated November 4, 2024.
Read through reviews of airlines operating flights from Chicago to Bulgaria, such as British Airways, LOT and Air Canada. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
KLM
7.8
Good
1,350 reviews

Comfort

7.7

Food

7.3

Overall

7.8

Entertainment

7.2

Crew

8.4

Boarding

7.9

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
1,350 reviews
KLM
7.8
Good
1,350 reviews

Comfort

7.7

Food

7.3

Overall

7.8

Entertainment

7.2

Crew

8.4

Boarding

7.9

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
7.6
Good
821 reviews
KLM
7.8
Good
1,350 reviews

Comfort

7.7

Food

7.3

Overall

7.8

Entertainment

7.2

Crew

8.4

Boarding

7.9

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
1,350 reviews

Comfort

7.7

Food

7.3

Overall

7.8

Entertainment

7.2

Crew

8.4

Boarding

7.9

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
1,195 reviews
KLM
7.8
Good
1,350 reviews

Comfort

7.7

Food

7.3

Overall

7.8

Entertainment

7.2

Crew

8.4

Boarding

7.9

Reviews

1 / 10

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

Turkish Airlines
7.4
Good
3,881 reviews
KLM
7.8
Good
1,350 reviews

Comfort

7.7

Food

7.3

Overall

7.8

Entertainment

7.2

Crew

8.4

Boarding

7.9

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 Bulgaria. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

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

    Yes, there are multiple flights from Chicago to Bulgaria for under $600. The cheapest flight booked recently is on Turkish Airlines for just $510, but on average you can expect to pay $640.

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

    There are currently 8+ open flights from Chicago to Bulgaria within the next 7 days for less than $700.

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

    To fly one-way, consider booking your trip with LOT, which is currently one of the cheapest options available, starting at $421. Lufthansa flights start at $424 while deals on Austrian Airlines start at $438 one-way.

  • What are the most popular routes from Chicago to Bulgaria?

    The most popular route from Chicago to Bulgaria is Chicago O'Hare Intl - Sofia. You may also consider Chicago Midway - Sofia or Chicago O'Hare Intl - Varna.

  • What does ORD to SOF mean?

    Chicago O'Hare Intl Airport is ORD and Sofia Airport is SOF. These codes are created by the International Air Transport Association (IATA) and airlines use them to identify the departing and arrival airports in the flight routes they service. This flight route has multiple associated airports, so we think it might be helpful to learn the name and codes of them as well. They are Varna Airport (VAR), Bourgas Airport (BOJ), Plovdiv Airport (PDV).

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

    The amount of baggage you can bring on your Chicago to Bulgaria 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 Bulgaria with specific airlines?

    Yes, Cheapflights allows you to browse and filter Chicago to Bulgaria 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 Bulgaria that include hotel bookings?

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

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

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

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

    Yes. Cheapflights offers flight deals from Chicago to Bulgaria 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 Bulgaria that allow pets onboard?

    Many airlines flying from Chicago to Bulgaria 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 Bulgaria?

    Yes, you can often find last-minute deals on Chicago to Bulgaria 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 Bulgaria flight deals updated?

    The Chicago to Bulgaria flight deals you see on this page were last updated on 11/4.

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

    Currently, November is the cheapest month in which you can book a flight from Chicago to Bulgaria (average of $608). Flying from Chicago to Bulgaria 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 Bulgaria

See prices for flight routes from nearby airports that may be better suited for you.
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Top 10 airlines flying from Chicago to Bulgaria

Discover the top 10 airlines that operate flights from Chicago to Bulgaria. 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 2,455,398 searches. Data last updated November 4, 2024.
AirlineCheapestAverageFlexibilityOn-time
LufthansaCheapest$504Average$1,029FlexibilityNo cancel feeOn-time76%
Turkish AirlinesCheapest$517Average$955FlexibilityNo cancel feeOn-time77%
Austrian AirlinesCheapest$524Average$784FlexibilityNo cancel feeOn-time78%
KLMCheapest$545Average$738FlexibilityNo cancel feeOn-time75%
LOTCheapest$578Average$911FlexibilityNo cancel feeOn-time81%
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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