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$383+ Cheap flights from Bulgaria to Chicago (CHI)

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 3/6. Fares are subject to change and may not be available on all flights or dates of travel.
SOF — CHI
Feb 25 — Mar 41
Tue 2/25
Tue 3/4
1 adult, Economy
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Cheap flight deals from Bulgaria to Chicago

Keep the following information in mind while searching for Bulgaria to Chicago flight deals. Data was last updated February 20, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$584
(Gotogate)

One-way from

$383
(Mytrip)

Popular in

January

Cheapest in

November

Average price

$673
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 (CHI)
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One-way flight from Bulgaria to Chicago (CHI)
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Highest demand for flights based on searches. 3% potential increase in price ($27 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($13 potential savings vs. average RT price).
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Average for round-trip flights in February 2025
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Find flight deals from Bulgaria to Chicago

Cheapest flights from Bulgaria to Chicago
Explore the most affordable flight options available from Bulgaria to Chicago. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 20, 2025.

This Gotogate deal was found by Cheapflights users on 2/20. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/66:40 pmSOF - ORD
1 stop33h 00mLOT
Sun 4/139:40 pmORD - SOF
1 stop32h 10mLOT
Deal found 2/20$584
This British Airways deal was found by Cheapflights users on 2/19. 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.
Wed 4/29:30 pmSOF - ORD
1 stop22h 20mBritish Airways
Fri 5/25:10 pmORD - SOF
2 stops43h 10mBritish Airways
Deal found 2/19$597
This United Airlines deal was found by Cheapflights users on 2/19. 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 3/56:00 amSOF - ORD
2 stops16h 45mUnited Airlines
Wed 3/127:25 amORD - SOF
2 stops22h 35mUnited Airlines
Deal found 2/19$625
This StudentUniverse deal was found by Cheapflights users on 2/20. 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 StudentUniverse is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/1312:45 pmSOF - ORD
2 stops31h 25mMultiple Airlines
Sun 4/276:15 pmORD - SOF
1 stop15h 35mMultiple Airlines
Deal found 2/20$630
This Gotogate deal was found by Cheapflights users on 2/20. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/31:45 pmSOF - ORD
1 stop12h 40mLufthansa
Tue 3/184:55 pmORD - SOF
1 stop22h 30mLufthansa
Deal found 2/20$638
This Air Canada deal was found by Cheapflights users on 2/20. 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.
Wed 3/191:45 pmSOF - ORD
2 stops25h 12mAir Canada
Mon 9/82:40 pmORD - SOF
2 stops14h 20mAir Canada
Deal found 2/20$649
This KLM deal was found by Cheapflights users on 2/18. 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.
Thu 2/277:00 amSOF - ORD
2 stops18h 25mKLM
Wed 3/125:25 pmORD - SOF
1 stop13h 40mKLM
Deal found 2/18$663
This Turkish Airlines deal was found by Cheapflights users on 2/20. 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.
Wed 4/99:15 amSOF - ORD
1 stop32h 25mTurkish Airlines
Thu 4/247:50 pmORD - SOF
1 stop34h 55mTurkish Airlines
Deal found 2/20$685
This StudentUniverse deal was found by Cheapflights users on 2/20. 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 StudentUniverse is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/1312:45 pmSOF - ORD
2 stops31h 25mSWISS
Sun 4/279:35 pmORD - SOF
2 stops30h 55mSWISS
Deal found 2/20$690
This oojo deal was found by Cheapflights users on 2/20. 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 3/36:45 pmSOF - ORD
2 stops25h 30mAustrian Airlines
Tue 3/181:00 pmORD - SOF
2 stops15h 50mAustrian Airlines
Deal found 2/20$702
This Aeromexico deal was found by Cheapflights users on 2/19. 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 Aeromexico is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/257:10 amSOF - MDW
2 stops22h 13mAir France
Mon 4/712:48 pmMDW - SOF
2 stops17h 12mAir France
Deal found 2/19$738
This KLM deal was found by Cheapflights users on 2/18. 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.
Thu 3/137:00 amSOF - MDW
2 stops18h 18mKLM
Wed 3/262:55 pmMDW - SOF
2 stops16h 10mKLM
Deal found 2/18$767

Find flights from Bulgaria to Chicago within your budget

Customize your flight search to find flights from Bulgaria to Chicago 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 February 20, 2025.

Fly from

Bulgaria

Fly to

Chicago

Route

Depart

Return

Price

SofiaChicago

SOF - ORD

SOFORD

Sofia

Sun 4/6

6:40 pm-7:40 pm

1 stop33h 00m

Chicago O'Hare Intl

Sun 4/13

9:40 pm-1:50 pm

1 stop32h 10m

$584

SofiaChicago

SOF - ORD

SOFORD

Sofia

Wed 4/2

9:30 pm-11:50 am

1 stop22h 20m

Chicago O'Hare Intl

Fri 5/2

5:10 pm-8:20 pm

2 stops43h 10m

$597

SofiaChicago

SOF - ORD

SOFORD

Sofia

Wed 3/5

6:00 am-2:45 pm

2 stops16h 45m

Chicago O'Hare Intl

Wed 3/12

7:25 am-1:00 pm

2 stops22h 35m

$625

SofiaChicago

SOF - ORD

SOFORD

Sofia

Sun 4/13

12:45 pm-12:10 pm

2 stops31h 25m

Chicago O'Hare Intl

Sun 4/27

6:15 pm-5:50 pm

1 stop15h 35m

$630

SofiaChicago

SOF - ORD

SOFORD

Sofia

Mon 3/3

1:45 pm-6:25 pm

1 stop12h 40m

Chicago O'Hare Intl

Tue 3/18

4:55 pm-10:25 pm

1 stop22h 30m

$638

SofiaChicago

SOF - ORD

SOFORD

Sofia

Wed 3/19

1:45 pm-7:57 am

2 stops25h 12m

Chicago O'Hare Intl

Mon 9/8

2:40 pm-1:00 pm

2 stops14h 20m

$649

SofiaChicago

SOF - ORD

SOFORD

Sofia

Thu 3/13

7:00 am-6:56 pm

2 stops18h 56m

Chicago O'Hare Intl

Wed 3/26

1:35 pm-2:05 pm

2 stops17h 30m

$667

SofiaChicago

SOF - ORD

SOFORD

Sofia

Wed 4/9

9:15 am-9:40 am

1 stop32h 25m

Chicago O'Hare Intl

Thu 4/24

7:50 pm-2:45 pm

1 stop34h 55m

$685

SofiaChicago

SOF - ORD

SOFORD

Sofia

Sun 4/13

12:45 pm-12:10 pm

2 stops31h 25m

Chicago O'Hare Intl

Sun 4/27

9:35 pm-12:30 pm

2 stops30h 55m

$690

SofiaChicago

SOF - ORD

SOFORD

Sofia

Mon 3/3

6:45 pm-12:15 pm

2 stops25h 30m

Chicago O'Hare Intl

Tue 3/18

1:00 pm-11:50 am

2 stops15h 50m

$702

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/20

Showing 1-10 of 34 results
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Best time to book a flight from Bulgaria to Chicago

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

Travel insights for flights from Bulgaria to Chicago

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

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

Currently, August is the cheapest month in which you can book a flight from Bulgaria to Chicago (average of $245). Flying from Bulgaria to Chicago 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 CHI?

Find hourly flight availability from Bulgaria to Chicago. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated February 20, 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 as you normally would.

Rainfall in Chicago by month

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

In terms of precipitation, rainfall in Chicago 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 when rainfall is around 1.7 in.

Temperature in Chicago by month

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

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

Get insights into the airlines that provide service to Chicago. 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 Chicago. Reviews last updated February 20, 2025.
Read through reviews of airlines operating flights from Bulgaria to Chicago, such as Emirates, KLM and LOT. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Emirates
8.1
Very good
3,279 reviews

Entertainment

8.2

Boarding

8.1

Food

7.9

Comfort

8.0

Overall

8.1

Crew

8.3

Reviews

1 / 20

2.0
Mediocre

Anonymous,Jun 2024

DXB - IAH

It was not a good experience the seats were small and uncomfortable the food was not good and they forgot to serve me my breakfast - there were 5 us in 2 rows that they just completely skipped us. Very disappointed.

Emirates
8.1
Very good
3,279 reviews
Emirates
8.1
Very good
3,279 reviews

Entertainment

8.2

Boarding

8.1

Food

7.9

Comfort

8.0

Overall

8.1

Crew

8.3

Reviews

1 / 20

2.0
Mediocre

Anonymous,Jun 2024

DXB - IAH

It was not a good experience the seats were small and uncomfortable the food was not good and they forgot to serve me my breakfast - there were 5 us in 2 rows that they just completely skipped us. Very disappointed.

KLM
7.8
Good
1,333 reviews
Emirates
8.1
Very good
3,279 reviews

Entertainment

8.2

Boarding

8.1

Food

7.9

Comfort

8.0

Overall

8.1

Crew

8.3

Reviews

1 / 20

2.0
Mediocre

Anonymous,Jun 2024

DXB - IAH

It was not a good experience the seats were small and uncomfortable the food was not good and they forgot to serve me my breakfast - there were 5 us in 2 rows that they just completely skipped us. Very disappointed.

LOT
7.6
Good
1,080 reviews
Emirates
8.1
Very good
3,279 reviews

Entertainment

8.2

Boarding

8.1

Food

7.9

Comfort

8.0

Overall

8.1

Crew

8.3

Reviews

1 / 20

2.0
Mediocre

Anonymous,Jun 2024

DXB - IAH

It was not a good experience the seats were small and uncomfortable the food was not good and they forgot to serve me my breakfast - there were 5 us in 2 rows that they just completely skipped us. Very disappointed.

Austrian Airlines
7.6
Good
773 reviews
Emirates
8.1
Very good
3,279 reviews

Entertainment

8.2

Boarding

8.1

Food

7.9

Comfort

8.0

Overall

8.1

Crew

8.3

Reviews

1 / 20

2.0
Mediocre

Anonymous,Jun 2024

DXB - IAH

It was not a good experience the seats were small and uncomfortable the food was not good and they forgot to serve me my breakfast - there were 5 us in 2 rows that they just completely skipped us. Very disappointed.

SWISS
7.5
Good
1,568 reviews
Emirates
8.1
Very good
3,279 reviews

Entertainment

8.2

Boarding

8.1

Food

7.9

Comfort

8.0

Overall

8.1

Crew

8.3

Reviews

1 / 20

2.0
Mediocre

Anonymous,Jun 2024

DXB - IAH

It was not a good experience the seats were small and uncomfortable the food was not good and they forgot to serve me my breakfast - there were 5 us in 2 rows that they just completely skipped us. Very disappointed.

Related info for your journey

Find useful and relevant information for your journey from Bulgaria to Chicago. 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 one-way?

    $389 is the cheapest one-way deal found within the past few days, from Air Serbia. You may also be able to find cheap deals on Qatar Airways and British Airways, with prices starting from $543 and $601, respectively.

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

    Most travelers choose Sofia - Chicago O'Hare Intl, Sofia - Chicago Midway or Bourgas - Chicago O'Hare Intl when deciding on the best route from Bulgaria to Chicago.

  • Can I find deals for flights from Bulgaria to Chicago that include hotel bookings?

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

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

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

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

    Yes. Cheapflights offers flight deals from Bulgaria to Chicago 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?

    Currently, August is the cheapest month in which you can book a flight from Bulgaria to Chicago (average of $245). Flying from Bulgaria to Chicago 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
Merrillville
New Buffalo
Hammond
Benton Harbor
Porter
Lansing
Valparaiso
Chesterton

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Alternative routes for Bulgaria to Chicago

See prices for flight routes from nearby airports that may be better suited for you.
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Charles de Gaulle to Midway flights
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Madrid to Midway flights
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Budapest to O'Hare Intl flights
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Bologna to O'Hare Intl flights
Bruxelles-National to Midway flights
Amsterdam to Midway flights
Leonardo da Vinci/Fiumicino to Midway flights
Otopeni Intl to O'Hare Intl flights
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Top 9 airlines flying from Bulgaria to Chicago

Discover the top 9 airlines that operate flights from Bulgaria to Chicago. 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 February 20, 2025.
AirlineCheapestAverageFlexibilityOn-time
KLMCheapest$460Average$798FlexibilityNo cancel feeOn-time75%
LOTCheapest$516Average$644FlexibilityNo cancel feeOn-time81%
British AirwaysCheapest$546Average$795FlexibilityNo cancel feeOn-time70%
Air FranceCheapest$560Average$672FlexibilityNo cancel feeOn-time77%
Austrian AirlinesCheapest$576Average$862FlexibilityNo cancel feeOn-time78%
LufthansaCheapest$597Average$770FlexibilityNo cancel feeOn-time76%
Turkish AirlinesCheapest$601Average$805FlexibilityNo cancel feeOn-time77%
United AirlinesCheapest$603Average$756FlexibilityNo cancel feeOn-time69%
ITA AirwaysCheapest$631Average$688FlexibilityNo cancel feeOn-time81%
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