O'Hare Intl

$357+ Cheap flights from Bulgaria to O'Hare Intl (ORD)

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 9/16. Fares are subject to change and may not be available on all flights or dates of travel.
SOF — ORD
Jul 11 — Jul 181
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Cheap flight deals from Bulgaria to O'Hare Intl

Cheapest flights from Bulgaria to O'Hare Intl
Explore the most affordable flight options available from Bulgaria to O'Hare Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 11, 2026.

This oojo deal was found by Cheapflights users on 6/11. 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.
Sat 8/296:45 pm
SOF
-
ORD
1 stop28h 25m
LOT
Sat 11/289:50 pm
ORD
-
SOF
1 stop32h 00m
LOT
Deal found 6/11$710
This oojo deal was found by Cheapflights users on 6/10. 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.
Sat 10/312:35 pm
SOF
-
ORD
1 stop13h 20m
LOT
Sat 11/219:50 pm
ORD
-
SOF
1 stop12h 00m
LOT
Deal found 6/10$714
This oojo deal was found by Cheapflights users on 6/10. 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.
Wed 9/95:25 am
SOF
-
ORD
1 stop22h 25m
LOT
Wed 9/309:50 pm
ORD
-
SOF
1 stop20h 05m
LOT
Deal found 6/10$720
This oojo deal was found by Cheapflights users on 6/9. 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.
Wed 9/235:25 am
SOF
-
ORD
1 stop22h 25m
LOT
Wed 10/149:50 pm
ORD
-
SOF
1 stop20h 05m
LOT
Deal found 6/9$725
This oojo deal was found by Cheapflights users on 6/8. 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.
Thu 9/175:25 am
SOF
-
ORD
1 stop22h 25m
LOT
Sat 10/39:50 pm
ORD
-
SOF
1 stop12h 10m
LOT
Deal found 6/8$726
This Kiwi.com deal was found by Cheapflights users on 6/8. 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.
Sat 8/296:45 pm
SOF
-
ORD
1 stop28h 25m
LOT
Sat 9/129:50 pm
ORD
-
SOF
1 stop12h 10m
LOT
Deal found 6/8$727
This oojo deal was found by Cheapflights users on 6/9. 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 8/296:45 pm
SOF
-
ORD
1 stop28h 25m
LOT
Sat 11/219:50 pm
ORD
-
SOF
1 stop12h 00m
LOT
Deal found 6/9$747
This oojo deal was found by Cheapflights users on 6/10. 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.
Tue 7/283:50 pm
SOF
-
ORD
1 stop25h 50m
Turkish Airlines
Wed 8/268:10 pm
ORD
-
SOF
1 stop16h 10m
Turkish Airlines
Deal found 6/10$763
This oojo deal was found by Cheapflights users on 6/11. 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.
Wed 9/26:45 pm
SOF
-
ORD
1 stop33h 05m
LOT
Sun 11/229:55 pm
ORD
-
SOF
2 stops31h 55m
LOT
Deal found 6/11$766
This KLM deal was found by Cheapflights users on 6/10. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/97:00 am
SOF
-
ORD
2 stops19h 07m
Multiple Airlines
Wed 9/3012:40 pm
ORD
-
SOF
2 stops17h 20m
Multiple Airlines
Deal found 6/10$771
This Lufthansa deal was found by Cheapflights users on 6/9. 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/199:40 am
VAR
-
ORD
1 stop18h 15m
Lufthansa
Sun 7/263:35 pm
ORD
-
VAR
1 stop11h 55m
Lufthansa
Deal found 6/9$843
This Lufthansa deal was found by Cheapflights users on 6/6. 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.
Tue 7/2811:45 am
VAR
-
ORD
1 stop16h 10m
Lufthansa
Tue 9/16:00 pm
ORD
-
VAR
1 stop18h 45m
Lufthansa
Deal found 6/6$846

Find flight deals from Bulgaria to O'Hare Intl

Keep the following information in mind while searching for Bulgaria to O'Hare Intl flight deals. Data was last updated June 11, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$710
(oojo)

One-way from

$357
(Kiwi.com)

Popular in

August

Cheapest in

February

Average price

$750
Provider with most accurate pricing for Sofia-Chicago (CHI) flight deals.
Provider most trusted by Cheapflights users for Sofia-Chicago (CHI) flights.
From Bulgaria to Chicago O'Hare Intl
One-way flight from Bulgaria to Chicago O'Hare Intl
Highest demand for flights based on searches. 4% potential increase in price ($33 potential increase over avg. RT price).
Cheapest flight prices on average. 1% potential price decrease ($10 potential savings vs. average RT price).
Average for round-trip flights in June 2026

Cheapflights Fare Finder

 
Customize your flight search to find flights from Bulgaria to O'Hare Intl 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 June 11, 2026.
Use the filters below to find and compare flights from Bulgaria to Chicago O'Hare Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

SofiaChicago

SOF - ORD

SOFORD

Sofia

Thu 9/17

5:25 am-3:10 pm

2 stops41h 45m

Chicago O'Hare Intl

Sat 10/3

9:50 pm-6:00 pm

1 stop12h 10m

$736

SofiaChicago

SOF - ORD

SOFORD

Sofia

Wed 9/9

7:00 am-4:45 pm

2 stops17h 45m

Chicago O'Hare Intl

Wed 9/30

12:40 pm-2:00 pm

2 stops17h 20m

$810

SofiaChicago

SOF - ORD

SOFORD

Sofia

Thu 9/17

7:00 am-5:13 pm

2 stops18h 13m

Chicago O'Hare Intl

Sat 10/3

1:55 pm-2:00 pm

2 stops16h 05m

$815

SofiaChicago

SOF - ORD

SOFORD

Sofia

Wed 9/9

7:00 am-4:45 pm

2 stops17h 45m

Chicago O'Hare Intl

Wed 9/30

1:55 pm-2:00 pm

2 stops16h 05m

$815

SofiaChicago

SOF - ORD

SOFORD

Sofia

Thu 7/16

11:05 am-12:35 pm

1 stop33h 30m

Chicago O'Hare Intl

Wed 7/29

2:20 pm-10:20 am

1 stop12h 00m

$839

SofiaChicago

SOF - ORD

SOFORD

Sofia

Mon 7/27

6:20 am-12:55 pm

1 stop14h 35m

Chicago O'Hare Intl

Thu 8/27

9:40 pm-11:15 pm

1 stop17h 35m

$842

VarnaChicago

VAR - ORD

VARORD

Varna

Sun 7/19

9:40 am-7:55 pm

1 stop18h 15m

Chicago O'Hare Intl

Sun 7/26

3:35 pm-11:30 am

1 stop11h 55m

$843

SofiaChicago

SOF - ORD

SOFORD

Sofia

Thu 7/2

2:10 pm-7:55 pm

1 stop13h 45m

Chicago O'Hare Intl

Thu 7/16

6:30 pm-10:40 pm

1 stop20h 10m

$843

SofiaChicago

SOF - ORD

SOFORD

Sofia

Tue 7/28

6:10 am-12:55 pm

1 stop14h 45m

Chicago O'Hare Intl

Wed 8/26

10:50 am-12:10 pm

2 stops17h 20m

$844

SofiaChicago

SOF - ORD

SOFORD

Sofia

Sun 7/5

6:20 am-11:00 am

1 stop12h 40m

Chicago O'Hare Intl

Mon 8/31

8:45 am-12:10 pm

2 stops19h 25m

$846

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/7

Showing 1-10 of 31 resultsSorted by cheapest first
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Best time to book a flight from Bulgaria to O'Hare Intl

Have a flexible travel schedule? Discover the best time to fly to O'Hare Intl from Bulgaria 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 Bulgaria to Chicago O'Hare Intl Airport

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

Currently, January is the cheapest month in which you can book a flight from Bulgaria to Chicago O'Hare Intl Airport (average of $388). Flying from Bulgaria to Chicago O'Hare Intl Airport in July is currently the most expensive (average of $674). 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.

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

The price you pay for your flight from Bulgaria to Chicago O'Hare Intl Airport may vary depending on when you book. For the best chance of a lower fare, look to book 59 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

Reviews of airlines servicing O'Hare Intl

Get insights into the airlines that provide service to O'Hare Intl. 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 O'Hare Intl. Reviews last updated June 11, 2026.
Read reviews from past customers who have flown KLM,LOT, andTurkish Airlines from Bulgaria to Chicago O'Hare Intl Airport. 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.

Overall

7.8

Boarding

7.8

Comfort

7.7

Crew

8.4

Entertainment

7.2

Food

7.3

Reviews

1 / 20
6.0
Good

Anonymous,Apr 2026

OKC - ATL

Flight was ok - difficult as I had seat next to bathroom.. Food awful

Overall

7.8

Boarding

7.8

Comfort

7.7

Crew

8.4

Entertainment

7.2

Food

7.3

Reviews

1 / 20
6.0
Good

Anonymous,Apr 2026

OKC - ATL

Flight was ok - difficult as I had seat next to bathroom.. Food awful

Overall

7.8

Boarding

7.8

Comfort

7.7

Crew

8.4

Entertainment

7.2

Food

7.3

Reviews

1 / 20
6.0
Good

Anonymous,Apr 2026

OKC - ATL

Flight was ok - difficult as I had seat next to bathroom.. Food awful

Overall

7.8

Boarding

7.8

Comfort

7.7

Crew

8.4

Entertainment

7.2

Food

7.3

Reviews

1 / 20
6.0
Good

Anonymous,Apr 2026

OKC - ATL

Flight was ok - difficult as I had seat next to bathroom.. Food awful

Overall

7.8

Boarding

7.8

Comfort

7.7

Crew

8.4

Entertainment

7.2

Food

7.3

Reviews

1 / 20
6.0
Good

Anonymous,Apr 2026

OKC - ATL

Flight was ok - difficult as I had seat next to bathroom.. Food awful

Overall

7.8

Boarding

7.8

Comfort

7.7

Crew

8.4

Entertainment

7.2

Food

7.3

Reviews

1 / 20
6.0
Good

Anonymous,Apr 2026

OKC - ATL

Flight was ok - difficult as I had seat next to bathroom.. Food awful

Related info for your journey

Find useful and relevant information for your journey from Bulgaria to O'Hare Intl. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
  • How long is the flight from Bulgaria to Chicago O'Hare Intl Airport?

    There are many flights that can get you from Bulgaria to Chicago O'Hare Intl Airport in 13h 45m. Fly via KLM, United Airlines, or Turkish Airlines to get the fastest option. The distance from Bulgaria to Chicago O'Hare Intl Airport is about 5194 mi. This flight may include one or multiple stops.

  • What are the cheapest airlines to fly from Bulgaria to Chicago O'Hare Intl Airport one-way?

    For one-way options, check prices for Air Serbia. According to our data, you can fly for as low as $426. Users have also found prices from $495 and $635 on Turkish Airlines and Lufthansa, respectively.

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

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Bulgaria to O'Hare Intl 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 Bulgaria to Chicago O'Hare Intl Airport?

    Currently, January is the cheapest month in which you can book a flight from Bulgaria to Chicago O'Hare Intl Airport (average of $388). Flying from Bulgaria to Chicago O'Hare Intl Airport in July is currently the most expensive (average of $674). 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

Traveling to a place near Chicago O'Hare Intl Airport?

Book flights to Chicago O'Hare Intl Airport if you plan to visit one of these locations
Benton Harbor
Rosemont
Schaumburg
Naperville
Lake Geneva
Gurnee
Delavan
Oakbrook Terrace
Downers Grove
Des Plaines
Hoffman Estates
Oak Brook
South Holland
Libertyville
Warrenville
Rockford
Great Lakes
Northbrook
Waukegan
Elk Grove Village

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Top 6 airlines flying from Bulgaria to O'Hare Intl

Discover the top 6 airlines that operate flights from Bulgaria to O'Hare Intl. 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 June 11, 2026.
AirlineCheapestAverageFlexibilityOn-time
Turkish AirlinesCheapest$594Average$834FlexibilityNo cancel feeOn-time77%
LOTCheapest$629Average$743FlexibilityNo cancel feeOn-time81%
KLMCheapest$652Average$769FlexibilityNo cancel feeOn-time75%
Austrian AirlinesCheapest$658Average$866FlexibilityNo cancel feeOn-time78%
United AirlinesCheapest$685Average$778FlexibilityNo cancel feeOn-time69%
LufthansaCheapest$710Average$826FlexibilityNo cancel feeOn-time76%

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