O'Hare Intl

$375+ 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 1/17. Fares are subject to change and may not be available on all flights or dates of travel.
SOF — ORD
Nov 13 — Nov 201
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Cheap 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 October 14, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$641
(Mytrip)

One-way from

$376
(Mytrip)

Popular in

May

Cheapest in

February

Average price

$793
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. 2% potential increase in price ($22 potential increase over avg. RT price).
Cheapest flight prices on average. 2% potential price decrease ($18 potential savings vs. average RT price).
Average for round-trip flights in October 2025

Find 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 October 14, 2025.

This Mytrip deal was found by Cheapflights users on 10/13. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/133:15 pmSOF - ORD
2 stops32h 10mMultiple Airlines
Sat 11/152:31 pmORD - SOF
3 stops25h 04mMultiple Airlines
Deal found 10/13$641
This FlightHub deal was found by Cheapflights users on 10/12. 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 12/226:35 pmSOF - ORD
1 stop33h 25mLOT
Thu 4/169:40 pmORD - SOF
2 stops56h 10mLOT
Deal found 10/12$645
This FlightHub deal was found by Cheapflights users on 10/13. 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.
Wed 12/174:00 pmSOF - ORD
1 stop34h 25mTurkish Airlines
Sat 1/178:20 pmORD - SOF
1 stop34h 50mTurkish Airlines
Deal found 10/13$648
This FlightHub deal was found by Cheapflights users on 10/12. 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 11/119:35 amSOF - ORD
1 stop32h 30mTurkish Airlines
Tue 11/1811:50 amORD - SOF
1 stop19h 20mTurkish Airlines
Deal found 10/12$651
This oojo deal was found by Cheapflights users on 10/12. 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.
Fri 10/312:35 pmSOF - ORD
1 stop13h 25mLOT
Thu 11/139:55 pmORD - SOF
1 stop11h 55mLOT
Deal found 10/12$659
This FlightHub deal was found by Cheapflights users on 10/14. 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.
Wed 10/296:35 pmSOF - ORD
1 stop33h 25mLOT
Fri 11/79:55 pmORD - SOF
1 stop31h 55mLOT
Deal found 10/14$661
This Mytrip deal was found by Cheapflights users on 10/13. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/114:45 pmSOF - ORD
2 stops30h 15mMultiple Airlines
Thu 11/132:31 pmORD - SOF
3 stops24h 44mMultiple Airlines
Deal found 10/13$663
This Kiwi.com deal was found by Cheapflights users on 10/14. 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.
Tue 10/286:35 pmSOF - ORD
1 stop33h 25mLOT
Mon 11/109:55 pmORD - SOF
1 stop11h 55mLOT
Deal found 10/14$666
This LOT deal was found by Cheapflights users on 10/14. 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 LOT is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/286:35 pmSOF - ORD
1 stop33h 25mLOT
Wed 11/59:55 pmORD - SOF
1 stop31h 55mLOT
Deal found 10/14$669
This FlightHub deal was found by Cheapflights users on 10/13. 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 11/119:35 amSOF - ORD
1 stop16h 50mTurkish Airlines
Thu 11/1311:50 amORD - SOF
1 stop12h 55mTurkish Airlines
Deal found 10/13$671
This FlightHub deal was found by Cheapflights users on 10/13. 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.
Wed 10/296:35 pmSOF - ORD
1 stop33h 25mLOT
Sun 11/99:55 pmORD - SOF
2 stops31h 55mLOT
Deal found 10/13$672
This SmartFares deal was found by Cheapflights users on 10/13. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/39:25 pmVAR - ORD
1 stop20h 40mTurkish Airlines
Sun 11/98:20 pmORD - VAR
1 stop28h 50mTurkish Airlines
Deal found 10/13$705

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 October 14, 2025.
Use the filters below to find and compare flights from Bulgaria to Chicago O'Hare Intl Airport that are best for you.

Fly from

Bulgaria

Fly to

O'Hare Intl

Route

Depart

Return

Price

SofiaChicago

SOF - ORD

SOFORD

Sofia

Fri 12/12

5:00 am-3:00 pm

1 stop18h 00m

Chicago O'Hare Intl

Mon 6/8

6:50 pm-3:35 pm

1 stop12h 45m

$690

SofiaChicago

SOF - ORD

SOFORD

Sofia

Sun 12/14

2:30 pm-6:45 pm

1 stop36h 15m

Chicago O'Hare Intl

Sat 6/6

4:55 pm-8:20 pm

1 stop19h 25m

$699

SofiaChicago

SOF - ORD

SOFORD

Sofia

Sun 12/14

2:30 pm-6:45 pm

1 stop36h 15m

Chicago O'Hare Intl

Sun 6/7

4:55 pm-7:10 pm

1 stop18h 15m

$699

SofiaChicago

SOF - ORD

SOFORD

Sofia

Wed 12/24

9:00 pm-6:45 pm

1 stop29h 45m

Chicago O'Hare Intl

Wed 4/15

9:15 pm-1:30 pm

1 stop32h 15m

$700

SofiaChicago

SOF - ORD

SOFORD

Sofia

Wed 12/17

7:00 am-2:20 pm

1 stop15h 20m

Chicago O'Hare Intl

Sat 1/17

1:30 pm-1:55 pm

2 stops16h 25m

$701

SofiaChicago

SOF - ORD

SOFORD

Sofia

Sun 11/2

4:00 pm-10:05 am

1 stop26h 05m

Chicago O'Hare Intl

Sun 11/9

11:50 am-8:50 pm

1 stop25h 00m

$702

SofiaChicago

SOF - ORD

SOFORD

Sofia

Sat 11/1

9:40 pm-11:05 am

1 stop20h 25m

Chicago O'Hare Intl

Sun 11/9

8:20 pm-8:50 pm

1 stop16h 30m

$702

SofiaChicago

SOF - ORD

SOFORD

Sofia

Sun 11/2

4:00 pm-10:05 am

1 stop26h 05m

Chicago O'Hare Intl

Tue 11/11

11:50 am-8:50 pm

1 stop25h 00m

$702

SofiaChicago

SOF - ORD

SOFORD

Sofia

Sat 11/1

9:40 pm-11:05 am

1 stop20h 25m

Chicago O'Hare Intl

Thu 11/6

8:20 pm-8:50 pm

1 stop16h 30m

$702

SofiaChicago

SOF - ORD

SOFORD

Sofia

Sun 11/2

4:00 pm-10:05 am

1 stop26h 05m

Chicago O'Hare Intl

Sat 11/8

11:50 am-8:50 pm

1 stop25h 00m

$705

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/14

Showing 1-10 of 24 results
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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, February is the cheapest month in which you can book a flight from Bulgaria to Chicago O'Hare Intl Airport (average of $524). Flying from Bulgaria to Chicago O'Hare Intl Airport in August is currently the most expensive (average of $672). 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 BG to ORD?

Find hourly flight availability from Bulgaria to O'Hare Intl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated October 14, 2025.

A simple way to save on the total cost of your ticket is to fly from Bulgaria to Chicago O'Hare Intl Airport at noon. If you’re flexible enough to do this you can expect to save up to 23% on your trip compared to booking a flight in the morning.

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

Use this chart to determine the cheapest time to fly round-trip from Bulgaria to O'Hare Intl. Price data was last updated on December 16, 2024.

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

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 October 14, 2025.
Read reviews from past customers who have flown LOT, Austrian Airlines, and United 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.

Boarding

7.6

Comfort

7.5

Crew

8.2

Food

7.1

Entertainment

6.9

Overall

7.6

Reviews

1 / 20
2.0
Mediocre

Hinesh,May 2025

LHR - WAW

Would not recommend this airline flight was delayed baggage was lost bad communication, our bag landed at the destination airport at 12 midday but did not arrive at the hotel till midnight no urgency at all this totally ruined the first 2 days of our trip worst airline I have used.

Boarding

7.6

Comfort

7.5

Crew

8.2

Food

7.1

Entertainment

6.9

Overall

7.6

Reviews

1 / 20
2.0
Mediocre

Hinesh,May 2025

LHR - WAW

Would not recommend this airline flight was delayed baggage was lost bad communication, our bag landed at the destination airport at 12 midday but did not arrive at the hotel till midnight no urgency at all this totally ruined the first 2 days of our trip worst airline I have used.

Boarding

7.6

Comfort

7.5

Crew

8.2

Food

7.1

Entertainment

6.9

Overall

7.6

Reviews

1 / 20
2.0
Mediocre

Hinesh,May 2025

LHR - WAW

Would not recommend this airline flight was delayed baggage was lost bad communication, our bag landed at the destination airport at 12 midday but did not arrive at the hotel till midnight no urgency at all this totally ruined the first 2 days of our trip worst airline I have used.

Boarding

7.6

Comfort

7.5

Crew

8.2

Food

7.1

Entertainment

6.9

Overall

7.6

Reviews

1 / 20
2.0
Mediocre

Hinesh,May 2025

LHR - WAW

Would not recommend this airline flight was delayed baggage was lost bad communication, our bag landed at the destination airport at 12 midday but did not arrive at the hotel till midnight no urgency at all this totally ruined the first 2 days of our trip worst airline I have used.

Boarding

7.6

Comfort

7.5

Crew

8.2

Food

7.1

Entertainment

6.9

Overall

7.6

Reviews

1 / 20
2.0
Mediocre

Hinesh,May 2025

LHR - WAW

Would not recommend this airline flight was delayed baggage was lost bad communication, our bag landed at the destination airport at 12 midday but did not arrive at the hotel till midnight no urgency at all this totally ruined the first 2 days of our trip worst airline I have used.

Boarding

7.6

Comfort

7.5

Crew

8.2

Food

7.1

Entertainment

6.9

Overall

7.6

Reviews

1 / 20
2.0
Mediocre

Hinesh,May 2025

LHR - WAW

Would not recommend this airline flight was delayed baggage was lost bad communication, our bag landed at the destination airport at 12 midday but did not arrive at the hotel till midnight no urgency at all this totally ruined the first 2 days of our trip worst airline I have used.

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 18h. Fly via Air Serbia, British Airways, 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 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, February is the cheapest month in which you can book a flight from Bulgaria to Chicago O'Hare Intl Airport (average of $524). Flying from Bulgaria to Chicago O'Hare Intl Airport in August is currently the most expensive (average of $672). 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
Schaumburg
Rosemont
Skokie
Des Plaines
Gurnee
Hoffman Estates
Elgin
Racine
Oak Brook
Elk Grove Village
Beloit
Rockford
Naperville
Downers Grove
Orland Park
Merrillville
Bridgeview
Warrenville
Joliet
Waukegan

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Top 7 airlines flying from Bulgaria to O'Hare Intl

Discover the top 7 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 October 14, 2025.
AirlineCheapestAverageFlexibilityOn-time
LOTCheapest$532Average$651FlexibilityNo cancel feeOn-time81%
British AirwaysCheapest$546Average$619FlexibilityNo cancel feeOn-time70%
Turkish AirlinesCheapest$601Average$783FlexibilityNo cancel feeOn-time77%
KLMCheapest$604Average$757FlexibilityNo cancel feeOn-time75%
LufthansaCheapest$628Average$765FlexibilityNo cancel feeOn-time76%
United AirlinesCheapest$642Average$766FlexibilityNo cancel feeOn-time69%
Austrian AirlinesCheapest$647Average$893FlexibilityNo cancel feeOn-time78%

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