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$234+ Cheap flights from O'Hare Intl (ORD) 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 9/24. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — SOF
Aug 16 — Aug 231
Sat 8/16
Sat 8/23
1 adult, Economy
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Cheap flight deals from O'Hare Intl to Bulgaria

Keep the following information in mind while searching for O'Hare Intl to Bulgaria flight deals. Data was last updated August 11, 2025.

Round-trip from

$554
(FlightHub)

One-way from

$234
(Kiwi.com)

Popular in

June

Cheapest in

February

Average price

$716
From Chicago O'Hare Intl to Bulgaria
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One-way flight from Chicago O'Hare Intl to Bulgaria
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Highest demand for flights based on searches. 26% potential increase in price ($260 potential increase over avg. RT price).
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Cheapest flight prices on average. 5% potential price decrease ($37 potential savings vs. average RT price).
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Average for round-trip flights in August 2025
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Find flight deals from O'Hare Intl to Bulgaria

Cheapest flights from O'Hare Intl to Bulgaria
Explore the most affordable flight options available from O'Hare Intl to Bulgaria. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 11, 2025.

This FlightHub deal was found by Cheapflights users on 8/9. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/97:50 pmORD - SOF
1 stop34h 55mTurkish Airlines
Tue 9/233:35 pmSOF - ORD
1 stop26h 05mTurkish Airlines
Deal found 8/9$554
This oojo deal was found by Cheapflights users on 8/10. 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.
Mon 9/111:45 pmORD - SOF
1 stop24h 50mTurkish Airlines
Thu 9/119:25 amSOF - ORD
1 stop16h 30mTurkish Airlines
Deal found 8/10$555
This Kiwi.com deal was found by Cheapflights users on 8/9. 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.
Wed 9/1011:45 pmORD - SOF
1 stop31h 00mTurkish Airlines
Wed 10/153:35 pmSOF - ORD
1 stop14h 25mTurkish Airlines
Deal found 8/9$556
This oojo deal was found by Cheapflights users on 8/11. 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.
Sun 8/2411:25 amORD - SOF
1 stop13h 10mTurkish Airlines
Mon 9/83:35 pmSOF - ORD
1 stop34h 20mTurkish Airlines
Deal found 8/11$559
This Ovago deal was found by Cheapflights users on 8/10. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/511:25 amORD - SOF
1 stop13h 10mTurkish Airlines
Wed 10/159:25 amSOF - ORD
1 stop16h 30mTurkish Airlines
Deal found 8/10$561
This Ovago deal was found by Cheapflights users on 8/10. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/57:50 pmORD - SOF
1 stop16h 35mTurkish Airlines
Tue 10/149:15 pmSOF - ORD
1 stop20h 25mTurkish Airlines
Deal found 8/10$562
This FlightHub deal was found by Cheapflights users on 8/10. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/111:45 pmORD - SOF
1 stop31h 00mTurkish Airlines
Sun 9/289:15 pmSOF - ORD
1 stop20h 25mTurkish Airlines
Deal found 8/10$563
This Ovago deal was found by Cheapflights users on 8/9. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/77:50 pmORD - SOF
1 stop16h 35mTurkish Airlines
Tue 10/149:15 pmSOF - ORD
1 stop20h 25mTurkish Airlines
Deal found 8/9$566
This oojo deal was found by Cheapflights users on 8/9. 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.
Sat 9/1311:45 pmORD - SOF
1 stop24h 50mTurkish Airlines
Sat 10/119:25 amSOF - ORD
1 stop32h 15mTurkish Airlines
Deal found 8/9$569
This Turkish Airlines deal was found by Cheapflights users on 8/9. 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 Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/611:45 pmORD - SOF
1 stop31h 00mTurkish Airlines
Thu 10/169:25 amSOF - ORD
1 stop32h 15mTurkish Airlines
Deal found 8/9$573
This oojo deal was found by Cheapflights users on 8/10. 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.
Sun 10/127:50 pmORD - SOF
1 stop16h 35mTurkish Airlines
Sat 10/183:35 pmSOF - ORD
1 stop26h 05mTurkish Airlines
Deal found 8/10$577
This Ovago deal was found by Cheapflights users on 8/10. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/411:25 amORD - SOF
1 stop13h 10mTurkish Airlines
Wed 10/159:25 amSOF - ORD
1 stop16h 30mTurkish Airlines
Deal found 8/10$581

Cheapflights Fare Finder

 
Customize your flight search to find flights from O'Hare Intl 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 2,558,603 searches. Data last updated August 11, 2025.
Use the filters below to find and compare flights from Chicago O'Hare Intl Airport to Bulgaria that are best for you.

Fly from

O'Hare Intl

Fly to

Bulgaria

Route

Depart

Return

Price

ChicagoSofia

ORD - SOF

ORDSOF

Chicago O'Hare Intl

Tue 9/9

7:50 pm-2:45 pm

1 stop34h 55m

Sofia

Tue 9/23

3:35 pm-9:40 am

1 stop26h 05m

$554

ChicagoSofia

ORD - SOF

ORDSOF

Chicago O'Hare Intl

Mon 9/1

11:45 pm-8:35 am

1 stop24h 50m

Sofia

Thu 9/11

9:25 am-5:55 pm

1 stop16h 30m

$555

ChicagoSofia

ORD - SOF

ORDSOF

Chicago O'Hare Intl

Wed 9/10

11:45 pm-2:45 pm

1 stop31h 00m

Sofia

Wed 10/15

3:35 pm-10:00 pm

1 stop14h 25m

$556

ChicagoSofia

ORD - SOF

ORDSOF

Chicago O'Hare Intl

Fri 2/6

8:20 pm-8:50 pm

1 stop16h 30m

Sofia

Fri 2/20

9:40 pm-6:25 pm

1 stop28h 45m

$558

ChicagoSofia

ORD - SOF

ORDSOF

Chicago O'Hare Intl

Sun 8/24

11:25 am-8:35 am

1 stop13h 10m

Sofia

Mon 9/8

3:35 pm-5:55 pm

1 stop34h 20m

$559

ChicagoSofia

ORD - SOF

ORDSOF

Chicago O'Hare Intl

Sun 10/5

11:25 am-8:35 am

1 stop13h 10m

Sofia

Wed 10/15

9:25 am-5:55 pm

1 stop16h 30m

$561

ChicagoSofia

ORD - SOF

ORDSOF

Chicago O'Hare Intl

Sun 10/5

7:50 pm-8:25 pm

1 stop16h 35m

Sofia

Tue 10/14

9:15 pm-9:40 am

1 stop20h 25m

$562

ChicagoSofia

ORD - SOF

ORDSOF

Chicago O'Hare Intl

Mon 9/1

11:45 pm-2:45 pm

1 stop31h 00m

Sofia

Sun 9/28

9:15 pm-9:40 am

1 stop20h 25m

$563

ChicagoSofia

ORD - SOF

ORDSOF

Chicago O'Hare Intl

Sun 9/7

7:50 pm-8:25 pm

1 stop16h 35m

Sofia

Tue 10/14

9:15 pm-9:40 am

1 stop20h 25m

$566

ChicagoSofia

ORD - SOF

ORDSOF

Chicago O'Hare Intl

Sat 9/13

11:45 pm-8:35 am

1 stop24h 50m

Sofia

Sat 10/11

9:25 am-9:40 am

1 stop32h 15m

$569

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/11

Showing 1-10 of 42 results
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Best time to book a flight from O'Hare Intl to Bulgaria

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

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

Currently, November is the cheapest month in which you can book a flight from Chicago O'Hare Intl Airport to Bulgaria (average of $632). Flying from Chicago O'Hare Intl Airport to Bulgaria in June is currently the most expensive (average of $1,186). 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 BG?

Find hourly flight availability from O'Hare Intl 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 August 11, 2025.

When flying from Chicago O'Hare Intl Airport 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.

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 August 11, 2025.
Read reviews from past customers who have flown Austrian Airlines, SWISS, and United Airlines from Chicago O'Hare Intl Airport to Bulgaria. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Austrian Airlines
7.6
Good
825 reviews

Boarding

7.6

Entertainment

6.8

Comfort

7.3

Crew

8.1

Overall

7.6

Food

6.8

Reviews

1 / 20
10.0
Excellent

Dominik,Jun 2025

VIE - VNO

Good service and update all information. I feel like i wanna use it again next time
Austrian Airlines
7.6
Good
825 reviews
Austrian Airlines
7.6
Good
825 reviews

Boarding

7.6

Entertainment

6.8

Comfort

7.3

Crew

8.1

Overall

7.6

Food

6.8

Reviews

1 / 20
10.0
Excellent

Dominik,Jun 2025

VIE - VNO

Good service and update all information. I feel like i wanna use it again next time
SWISS
7.6
Good
1,698 reviews
Austrian Airlines
7.6
Good
825 reviews

Boarding

7.6

Entertainment

6.8

Comfort

7.3

Crew

8.1

Overall

7.6

Food

6.8

Reviews

1 / 20
10.0
Excellent

Dominik,Jun 2025

VIE - VNO

Good service and update all information. I feel like i wanna use it again next time
United Airlines
7.4
Good
8,922 reviews
Austrian Airlines
7.6
Good
825 reviews

Boarding

7.6

Entertainment

6.8

Comfort

7.3

Crew

8.1

Overall

7.6

Food

6.8

Reviews

1 / 20
10.0
Excellent

Dominik,Jun 2025

VIE - VNO

Good service and update all information. I feel like i wanna use it again next time
Turkish Airlines
7.3
Good
3,945 reviews
Austrian Airlines
7.6
Good
825 reviews

Boarding

7.6

Entertainment

6.8

Comfort

7.3

Crew

8.1

Overall

7.6

Food

6.8

Reviews

1 / 20
10.0
Excellent

Dominik,Jun 2025

VIE - VNO

Good service and update all information. I feel like i wanna use it again next time
American Airlines
7.2
Good
10,000 reviews
Austrian Airlines
7.6
Good
825 reviews

Boarding

7.6

Entertainment

6.8

Comfort

7.3

Crew

8.1

Overall

7.6

Food

6.8

Reviews

1 / 20
10.0
Excellent

Dominik,Jun 2025

VIE - VNO

Good service and update all information. I feel like i wanna use it again next time

Related info for your journey

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

  • What are the most popular routes from Chicago O'Hare Intl Airport to Bulgaria?

    The most popular flight routes from Chicago O'Hare Intl Airport to Bulgaria are Chicago O'Hare Intl - Sofia, Chicago O'Hare Intl - Varna and Chicago O'Hare Intl - Bourgas.

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

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

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

    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 Bulgaria.

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

    Yes. Cheapflights offers flight deals from O'Hare Intl 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.

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

    Currently, November is the cheapest month in which you can book a flight from Chicago O'Hare Intl Airport to Bulgaria (average of $632). Flying from Chicago O'Hare Intl Airport to Bulgaria in June is currently the most expensive (average of $1,186). 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 O'Hare Intl 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 O'Hare Intl to Bulgaria

Discover the top 10 airlines that operate flights from O'Hare Intl 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 2,558,603 searches. Data last updated August 11, 2025.
AirlineCheapestAverageFlexibilityOn-time
Turkish AirlinesCheapest$496Average$919FlexibilityNo cancel feeOn-time77%
Air FranceCheapest$498Average$624FlexibilityNo cancel feeOn-time77%
KLMCheapest$533Average$739FlexibilityNo cancel feeOn-time75%
LOTCheapest$570Average$867FlexibilityNo cancel feeOn-time81%
LufthansaCheapest$588Average$1,012FlexibilityNo cancel feeOn-time76%
Austrian AirlinesCheapest$591Average$928FlexibilityNo cancel feeOn-time78%
SWISSCheapest$596Average$847FlexibilityNo cancel feeOn-time79%
United AirlinesCheapest$601Average$785FlexibilityNo cancel feeOn-time69%
British AirwaysCheapest$628Average$779FlexibilityNo cancel feeOn-time70%
Air SerbiaCheapest$652Average$1,024FlexibilityNo cancel feeOn-timeN/A

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