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O'Hare Intl

$326+ 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 5/6. Fares are subject to change and may not be available on all flights or dates of travel.
SOF — ORD
May 6 — May 131
Tue 5/6
Tue 5/13
1 adult, Economy
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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 May 1, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$628
(oojo)

One-way from

$326
(Kiwi.com)

Popular in

January

Cheapest in

November

Average price

$650
Provider with most accurate pricing for Sofia-Chicago (CHI) flight deals.
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Provider most trusted by Cheapflights users for Sofia-Chicago (CHI) flights.
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From Bulgaria to Chicago O'Hare Intl
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One-way flight from Bulgaria to Chicago O'Hare Intl
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Highest demand for flights based on searches. 3% potential increase in price ($22 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($14 potential savings vs. average RT price).
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Average for round-trip flights in May 2025
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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 May 1, 2025.

This oojo deal was found by Cheapflights users on 4/29. 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 5/206:40 pmSOF - ORD
1 stop33h 00mLOT
Fri 9/194:55 pmORD - SOF
2 stops17h 00mLOT
Deal found 4/29$628
This Air France deal was found by Cheapflights users on 4/30. 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 5/157:00 amSOF - ORD
2 stops18h 26mMultiple Airlines
Thu 5/291:45 pmORD - SOF
2 stops16h 15mMultiple Airlines
Deal found 4/30$630
This Air France deal was found by Cheapflights users on 4/29. 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.
Mon 9/157:00 amSOF - ORD
2 stops18h 36mAir France
Tue 9/301:35 pmORD - SOF
2 stops16h 25mAir France
Deal found 4/29$635
This United Airlines deal was found by Cheapflights users on 4/30. 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.
Wed 5/146:15 amSOF - ORD
2 stops20h 07mUnited Airlines
Tue 5/209:40 pmORD - SOF
1 stop17h 20mUnited Airlines
Deal found 4/30$674
This British Airways deal was found by Cheapflights users on 4/30. 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 5/198:00 pmSOF - ORD
1 stop25h 50mBritish Airways
Tue 9/166:25 pmORD - SOF
2 stops18h 15mBritish Airways
Deal found 4/30$687
This Air Canada deal was found by Cheapflights users on 4/29. 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.
Fri 6/66:15 amSOF - ORD
2 stops33h 44mAir Canada
Fri 10/310:00 amORD - SOF
2 stops17h 15mAir Canada
Deal found 4/29$692
This American Airlines deal was found by Cheapflights users on 4/30. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/198:00 pmSOF - ORD
2 stops29h 34mAmerican Airlines
Tue 9/167:10 pmORD - SOF
1 stop17h 30mAmerican Airlines
Deal found 4/30$695
This Lufthansa deal was found by Cheapflights users on 4/29. 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.
Wed 7/236:00 amSOF - ORD
1 stop16h 00mLufthansa
Tue 8/59:40 pmORD - SOF
1 stop17h 20mLufthansa
Deal found 4/29$696
This SWISS deal was found by Cheapflights users on 4/29. 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.
Mon 7/213:30 pmSOF - ORD
1 stop28h 40mSWISS
Fri 8/12:20 pmORD - SOF
1 stop11h 45mSWISS
Deal found 4/29$701
This Austrian Airlines deal was found by Cheapflights users on 4/30. 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.
Mon 5/196:55 pmSOF - ORD
2 stops31h 31mAustrian Airlines
Tue 9/1612:50 pmORD - SOF
2 stops18h 30mAustrian Airlines
Deal found 4/30$709
This FlightHub deal was found by Cheapflights users on 4/30. 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.
Sun 7/279:15 pmSOF - ORD
1 stop20h 25mTurkish Airlines
Sat 8/911:45 pmORD - SOF
1 stop31h 00mTurkish Airlines
Deal found 4/30$722
This FlightHub deal was found by Cheapflights users on 4/29. 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 5/279:15 amVAR - ORD
2 stops18h 57mMultiple Airlines
Tue 6/33:10 pmORD - VAR
1 stop33h 20mMultiple Airlines
Deal found 4/29$736

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 May 1, 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

Tue 5/20

6:40 pm-7:40 pm

1 stop33h 00m

Chicago O'Hare Intl

Fri 9/19

4:55 pm-5:55 pm

2 stops17h 00m

$628

SofiaChicago

SOF - ORD

SOFORD

Sofia

Thu 5/15

7:00 am-5:26 pm

2 stops18h 26m

Chicago O'Hare Intl

Thu 5/29

1:45 pm-2:00 pm

2 stops16h 15m

$630

SofiaChicago

SOF - ORD

SOFORD

Sofia

Mon 9/15

7:00 am-5:36 pm

2 stops18h 36m

Chicago O'Hare Intl

Tue 9/30

1:35 pm-2:00 pm

2 stops16h 25m

$635

SofiaChicago

SOF - ORD

SOFORD

Sofia

Wed 5/14

6:15 am-6:22 pm

2 stops20h 07m

Chicago O'Hare Intl

Tue 5/20

10:35 am-6:40 pm

2 stops24h 05m

$674

SofiaChicago

SOF - ORD

SOFORD

Sofia

Mon 5/19

8:00 pm-3:55 pm

1 stop27h 55m

Chicago O'Hare Intl

Tue 9/16

8:40 pm-8:40 pm

1 stop16h 00m

$687

SofiaChicago

SOF - ORD

SOFORD

Sofia

Fri 6/6

6:15 am-7:59 am

2 stops33h 44m

Chicago O'Hare Intl

Fri 10/3

10:00 am-11:15 am

2 stops17h 15m

$692

SofiaChicago

SOF - ORD

SOFORD

Sofia

Mon 5/19

8:00 pm-5:34 pm

2 stops29h 34m

Chicago O'Hare Intl

Tue 9/16

7:10 pm-8:40 pm

1 stop17h 30m

$695

SofiaChicago

SOF - ORD

SOFORD

Sofia

Wed 7/23

6:00 am-2:00 pm

1 stop16h 00m

Chicago O'Hare Intl

Tue 8/5

9:40 pm-11:00 pm

1 stop17h 20m

$696

SofiaChicago

SOF - ORD

SOFORD

Sofia

Mon 7/21

3:30 pm-12:10 pm

1 stop28h 40m

Chicago O'Hare Intl

Thu 7/31

7:05 pm-10:05 am

1 stop31h 00m

$701

SofiaChicago

SOF - ORD

SOFORD

Sofia

Mon 5/19

6:55 pm-6:26 pm

2 stops31h 31m

Chicago O'Hare Intl

Tue 9/16

12:50 pm-3:20 pm

2 stops18h 30m

$709

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/30

Showing 1-10 of 28 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, August is the cheapest month in which you can book a flight from Bulgaria to Chicago O'Hare Intl Airport (average of $245). Flying from Bulgaria to Chicago O'Hare Intl Airport in March is currently the most expensive (average of $321). 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 May 1, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Bulgaria to Chicago O'Hare Intl Airport as you normally would.

Rainfall in O'Hare Intl by month

Plan your trip to O'Hare Intl by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Chicago O'Hare Intl Airport ranges from 1.7 - 4.9 inches per month. August is typically the wettest month, when rainfall can reach 4.9 in. January is typically the driest time to visit Chicago O'Hare Intl Airport when rainfall is around 1.7 in.

Temperature in O'Hare Intl by month

Plan your trip to O'Hare Intl by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Chicago O'Hare Intl Airport, 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 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 23.0 F).

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 May 1, 2025.
Read through reviews of airlines operating flights from Bulgaria to Chicago, such as KLM, LOT and Austrian Airlines. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
KLM
7.8
Good
1,334 reviews

Food

7.2

Boarding

7.8

Crew

8.4

Entertainment

7.1

Comfort

7.7

Overall

7.8

Reviews

1 / 20
8.0
Excellent

Anonymous,Mar 2025

LBA - AMS

Overall, the flight from Leeds Bradford to Amsterdam was at expected. The crew were efficient at boarding and professional on board. The only issue was extremely slow check in at Leeds Bradford which was very frustrating.
KLM
7.8
Good
1,334 reviews
KLM
7.8
Good
1,334 reviews

Food

7.2

Boarding

7.8

Crew

8.4

Entertainment

7.1

Comfort

7.7

Overall

7.8

Reviews

1 / 20
8.0
Excellent

Anonymous,Mar 2025

LBA - AMS

Overall, the flight from Leeds Bradford to Amsterdam was at expected. The crew were efficient at boarding and professional on board. The only issue was extremely slow check in at Leeds Bradford which was very frustrating.
LOT
7.6
Good
1,069 reviews
KLM
7.8
Good
1,334 reviews

Food

7.2

Boarding

7.8

Crew

8.4

Entertainment

7.1

Comfort

7.7

Overall

7.8

Reviews

1 / 20
8.0
Excellent

Anonymous,Mar 2025

LBA - AMS

Overall, the flight from Leeds Bradford to Amsterdam was at expected. The crew were efficient at boarding and professional on board. The only issue was extremely slow check in at Leeds Bradford which was very frustrating.
Austrian Airlines
7.6
Good
781 reviews
KLM
7.8
Good
1,334 reviews

Food

7.2

Boarding

7.8

Crew

8.4

Entertainment

7.1

Comfort

7.7

Overall

7.8

Reviews

1 / 20
8.0
Excellent

Anonymous,Mar 2025

LBA - AMS

Overall, the flight from Leeds Bradford to Amsterdam was at expected. The crew were efficient at boarding and professional on board. The only issue was extremely slow check in at Leeds Bradford which was very frustrating.
SWISS
7.5
Good
1,588 reviews
KLM
7.8
Good
1,334 reviews

Food

7.2

Boarding

7.8

Crew

8.4

Entertainment

7.1

Comfort

7.7

Overall

7.8

Reviews

1 / 20
8.0
Excellent

Anonymous,Mar 2025

LBA - AMS

Overall, the flight from Leeds Bradford to Amsterdam was at expected. The crew were efficient at boarding and professional on board. The only issue was extremely slow check in at Leeds Bradford which was very frustrating.
Qatar Airways
7.4
Good
3,563 reviews
KLM
7.8
Good
1,334 reviews

Food

7.2

Boarding

7.8

Crew

8.4

Entertainment

7.1

Comfort

7.7

Overall

7.8

Reviews

1 / 20
8.0
Excellent

Anonymous,Mar 2025

LBA - AMS

Overall, the flight from Leeds Bradford to Amsterdam was at expected. The crew were efficient at boarding and professional on board. The only issue was extremely slow check in at Leeds Bradford which was very frustrating.

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.

  • 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 $419. Users have also found prices from $581 and $597 on Aer Lingus and Qatar Airways, respectively.

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

    While some choose either Bourgas - Chicago O'Hare Intl or Varna - Chicago O'Hare Intl, Sofia - Chicago O'Hare Intl is the most popular route 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, August is the cheapest month in which you can book a flight from Bulgaria to Chicago O'Hare Intl Airport (average of $245). Flying from Bulgaria to Chicago O'Hare Intl Airport in March is currently the most expensive (average of $321). 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 Bulgaria?

Book flights to Bulgaria if you plan to visit one of these locations
Schaumburg
Hoffman Estates
Rosemont
Beloit
Racine
Skokie
Naperville
Elgin
Tinley Park
Kenosha
Rockford
Arlington Heights
Orland Park
Joliet
Merrillville
Northbrook
Glenview
Des Plaines
Lake Geneva
Waukegan

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Alternative routes for Bulgaria to O'Hare Intl

See prices for flight routes from nearby airports that may be better suited for you.
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Bruxelles-National to Midway flights
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Barcelona-El Prat to Midway flights
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Manchester to O'Hare Intl flights

Top 8 airlines flying from Bulgaria to O'Hare Intl

Discover the top 8 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 May 1, 2025.
AirlineCheapestAverageFlexibilityOn-time
KLMCheapest$485Average$759FlexibilityNo cancel feeOn-time75%
LOTCheapest$532Average$627FlexibilityNo cancel feeOn-time81%
British AirwaysCheapest$546Average$864FlexibilityNo cancel feeOn-time70%
Air FranceCheapest$560Average$672FlexibilityNo cancel feeOn-time77%
Austrian AirlinesCheapest$576Average$861FlexibilityNo cancel feeOn-time78%
Turkish AirlinesCheapest$601Average$774FlexibilityNo cancel feeOn-time77%
United AirlinesCheapest$603Average$718FlexibilityNo cancel feeOn-time69%
LufthansaCheapest$614Average$774FlexibilityNo cancel feeOn-time76%

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