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$372+ 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 6/16. Fares are subject to change and may not be available on all flights or dates of travel.
SOF — CHI
Jan 26 — Feb 21
Sun 1/26
Sun 2/2
1 adult, Economy
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Cheap flight deals from Bulgaria to Chicago

Discover tips and strategies to find the most affordable flight options for your journey from Bulgaria (BG0) to Chicago (CHI). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated January 21, 2025.

Round-trip from

$568
(Trip.com)

One-way from

$372
(Air Serbia)
From Bulgaria to Chicago (CHI)
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One-way flight from Bulgaria to Chicago (CHI)
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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 January 21, 2025.

This Trip.com deal was found by Cheapflights users on 1/20. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/202:25 pmSOF - ORD
1 stop13h 35mLOT
Tue 4/229:40 pmORD - SOF
1 stop12h 15mLOT
Deal found 1/20$568
This British Airways deal was found by Cheapflights users on 1/21. 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 2/245:25 pmSOF - ORD
1 stop28h 30mBritish Airways
Tue 5/2011:46 amORD - SOF
2 stops24h 54mBritish Airways
Deal found 1/21$581
This KLM deal was found by Cheapflights users on 1/21. 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.
Fri 2/147:00 amSOF - ORD
1 stop15h 30mKLM
Sun 3/24:25 pmORD - SOF
1 stop13h 40mKLM
Deal found 1/21$593
This KLM deal was found by Cheapflights users on 1/21. 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.
Sat 4/267:00 amSOF - ORD
1 stop15h 10mMultiple Airlines
Sat 5/105:15 pmORD - SOF
1 stop12h 45mMultiple Airlines
Deal found 1/21$594
This Air France deal was found by Cheapflights users on 1/21. 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 2/207:00 amSOF - MDW
2 stops18h 43mMultiple Airlines
Thu 2/271:26 pmMDW - SOF
2 stops16h 29mMultiple Airlines
Deal found 1/21$602
This United Airlines deal was found by Cheapflights users on 1/21. 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.
Tue 4/296:20 amSOF - ORD
2 stops16h 30mUnited Airlines
Thu 5/156:15 pmORD - SOF
1 stop15h 35mUnited Airlines
Deal found 1/21$617
This Lufthansa deal was found by Cheapflights users on 1/21. 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 2/251:45 pmSOF - ORD
1 stop12h 40mLufthansa
Thu 7/176:00 pmORD - SOF
1 stop16h 40mLufthansa
Deal found 1/21$637
This Air Canada deal was found by Cheapflights users on 1/21. 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.
Thu 2/272:25 pmSOF - ORD
2 stops32h 26mAir Canada
Thu 7/1711:55 amORD - SOF
2 stops22h 45mAir Canada
Deal found 1/21$659
This Gotogate deal was found by Cheapflights users on 1/21. 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 2/24:00 pmVAR - ORD
1 stop30h 05mAustrian Airlines
Sun 2/91:15 pmORD - VAR
2 stops18h 00mAustrian Airlines
Deal found 1/21$668
This Gotogate deal was found by Cheapflights users on 1/21. 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 2/24:00 pmVAR - ORD
2 stops30h 10mMultiple Airlines
Sun 2/91:15 pmORD - VAR
2 stops18h 00mMultiple Airlines
Deal found 1/21$691
This SWISS deal was found by Cheapflights users on 1/21. 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.
Thu 2/204:00 pmSOF - ORD
1 stop28h 55mSWISS
Fri 5/232:20 pmORD - SOF
1 stop11h 45mSWISS
Deal found 1/21$798
This Kiwi.com deal was found by Cheapflights users on 1/21. 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.
Sun 2/210:05 amVAR - ORD
1 stop32h 05mTurkish Airlines
Sun 2/911:55 amORD - VAR
1 stop24h 45mTurkish Airlines
Deal found 1/21$803

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 January 21, 2025.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

SofiaChicago

SOF - ORD

SOFORD

Sofia

Thu 3/20

2:25 pm-9:00 pm

1 stop13h 35m

Chicago O'Hare Intl

Tue 4/22

9:40 pm-5:55 pm

1 stop12h 15m

$568

SofiaChicago

SOF - ORD

SOFORD

Sofia

Mon 2/24

5:25 pm-1:55 pm

1 stop28h 30m

Chicago O'Hare Intl

Tue 5/20

11:46 am-8:40 pm

2 stops24h 54m

$581

SofiaChicago

SOF - ORD

SOFORD

Sofia

Fri 2/14

7:00 am-2:30 pm

1 stop15h 30m

Chicago O'Hare Intl

Sun 3/2

4:25 pm-2:05 pm

1 stop13h 40m

$593

SofiaChicago

SOF - ORD

SOFORD

Sofia

Sat 4/26

7:00 am-2:10 pm

1 stop15h 10m

Chicago O'Hare Intl

Sat 5/10

5:15 pm-2:00 pm

1 stop12h 45m

$594

SofiaChicago

SOF - MDW

SOFMDW

Sofia

Thu 2/20

7:00 am-5:43 pm

2 stops18h 43m

Chicago Midway

Thu 2/27

1:26 pm-1:55 pm

2 stops16h 29m

$602

SofiaChicago

SOF - ORD

SOFORD

Sofia

Tue 4/29

6:20 am-2:50 pm

2 stops16h 30m

Chicago O'Hare Intl

Thu 5/15

6:15 pm-5:50 pm

1 stop15h 35m

$617

SofiaChicago

SOF - ORD

SOFORD

Sofia

Tue 2/25

1:45 pm-6:25 pm

1 stop12h 40m

Chicago O'Hare Intl

Thu 7/17

6:00 pm-6:40 pm

1 stop16h 40m

$637

SofiaChicago

SOF - ORD

SOFORD

Sofia

Thu 2/27

2:25 pm-2:51 pm

2 stops32h 26m

Chicago O'Hare Intl

Thu 7/17

11:55 am-6:40 pm

2 stops22h 45m

$659

VarnaChicago

VAR - ORD

VARORD

Varna

Sun 2/2

4:00 pm-2:05 pm

1 stop30h 05m

Chicago O'Hare Intl

Sun 2/9

1:15 pm-3:15 pm

2 stops18h 00m

$668

VarnaChicago

VAR - ORD

VARORD

Varna

Sun 2/2

4:00 pm-2:10 pm

2 stops30h 10m

Chicago O'Hare Intl

Sun 2/9

1:15 pm-3:15 pm

2 stops18h 00m

$691

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/20

Showing 1-10 of 21 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 $320). 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 January 21, 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 January 21, 2025.
Read through reviews of airlines operating flights from Bulgaria to Chicago, such as Air France and KLM. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Emirates
8.1
Very good
3,358 reviews

Boarding

8.1

Overall

8.1

Food

7.9

Comfort

8.0

Crew

8.3

Entertainment

8.2

Reviews

1 / 10

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
3,358 reviews
Emirates
8.1
Very good
3,358 reviews

Boarding

8.1

Overall

8.1

Food

7.9

Comfort

8.0

Crew

8.3

Entertainment

8.2

Reviews

1 / 10

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
1,341 reviews
Emirates
8.1
Very good
3,358 reviews

Boarding

8.1

Overall

8.1

Food

7.9

Comfort

8.0

Crew

8.3

Entertainment

8.2

Reviews

1 / 10

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
1,117 reviews
Emirates
8.1
Very good
3,358 reviews

Boarding

8.1

Overall

8.1

Food

7.9

Comfort

8.0

Crew

8.3

Entertainment

8.2

Reviews

1 / 10

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
786 reviews
Emirates
8.1
Very good
3,358 reviews

Boarding

8.1

Overall

8.1

Food

7.9

Comfort

8.0

Crew

8.3

Entertainment

8.2

Reviews

1 / 10

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
1,600 reviews
Emirates
8.1
Very good
3,358 reviews

Boarding

8.1

Overall

8.1

Food

7.9

Comfort

8.0

Crew

8.3

Entertainment

8.2

Reviews

1 / 10

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?

    $372 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 LOT and Air France, with prices starting from $583 and $616, respectively.

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

    Most travelers choose Sofia - Chicago O'Hare Intl, Sofia - Chicago Midway or Varna - 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 $320). 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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Top 8 airlines flying from Bulgaria to Chicago

Discover the top 8 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 January 21, 2025.
AirlineCheapestAverageFlexibilityOn-time
KLMCheapest$460Average$815FlexibilityNo cancel feeOn-time75%
British AirwaysCheapest$546Average$790FlexibilityNo cancel feeOn-time70%
LOTCheapest$548Average$624FlexibilityNo cancel feeOn-time81%
Austrian AirlinesCheapest$576Average$872FlexibilityNo cancel feeOn-time78%
LufthansaCheapest$592Average$791FlexibilityNo cancel feeOn-time76%
United AirlinesCheapest$622Average$777FlexibilityNo cancel feeOn-time69%
ITA AirwaysCheapest$631Average$688FlexibilityNo cancel feeOn-time81%
Turkish AirlinesCheapest$641Average$810FlexibilityNo cancel feeOn-time77%
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