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$401+ Cheap flights from Illinois to Bulgaria

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 11/30. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — SOF
Nov 25 — Dec 21
Mon 11/25
Mon 12/2
1 adult, Economy
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Cheap flight deals from Illinois to Bulgaria

Discover tips and strategies to find the most affordable flight options for your journey from Illinois (USIL) to Bulgaria (BG0). 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 November 20, 2024.

Find flight deals from Illinois to Bulgaria

Cheapest flights from Illinois to Bulgaria
Explore the most affordable flight options available from Illinois to Bulgaria. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 20, 2024.

This FlightHub deal was found by Cheapflights users on 11/20. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/289:55 pmORD - SOF
1 stop11h 55mLOT
Mon 3/106:35 pmSOF - ORD
1 stop33h 25mLOT
Deal found 11/20$567
This Mytrip deal was found by Cheapflights users on 11/18. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/18:25 pmORD - SOF
3 stops35h 05mMultiple Airlines
Tue 12/108:20 pmSOF - ORD
2 stops27h 10mMultiple Airlines
Deal found 11/18$588
This Gotogate deal was found by Cheapflights users on 11/20. 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.
Tue 11/263:55 pmORD - SOF
1 stop22h 30mLufthansa
Sat 12/76:00 amSOF - ORD
1 stop22h 05mLufthansa
Deal found 11/20$616
This Gotogate deal was found by Cheapflights users on 11/20. 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 12/19:50 amORD - SOF
2 stops19h 50mAir Canada
Tue 12/106:05 amSOF - ORD
2 stops21h 27mAir Canada
Deal found 11/20$619
This United deal was found by Cheapflights users on 11/20. 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 United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/19:25 pmORD - SOF
1 stop12h 45mUnited Airlines
Wed 12/116:00 amSOF - ORD
2 stops20h 41mUnited Airlines
Deal found 11/20$629
This British Airways deal was found by Cheapflights users on 11/19. 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.
Thu 11/282:45 pmORD - SOF
2 stops20h 40mBritish Airways
Tue 3/116:05 pmSOF - ORD
1 stop27h 00mBritish Airways
Deal found 11/19$632
This KLM deal was found by Cheapflights users on 11/19. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/44:25 pmORD - SOF
1 stop13h 40mKLM
Wed 12/117:00 amSOF - ORD
2 stops17h 58mKLM
Deal found 11/19$656
This KLM deal was found by Cheapflights users on 11/19. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/41:30 pmMDW - SOF
2 stops16h 35mKLM
Tue 12/107:00 amSOF - MDW
2 stops19h 32mKLM
Deal found 11/19$661
This KAYAK deal was found by Cheapflights users on 11/19. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/44:20 pmORD - VAR
1 stop14h 55mMultiple Airlines
Mon 12/94:00 pmVAR - ORD
2 stops29h 25mMultiple Airlines
Deal found 11/19$670
This Gurufare deal was found by Cheapflights users on 11/19. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/410:35 pmORD - VAR
2 stops32h 40mLufthansa
Mon 12/94:00 pmVAR - ORD
2 stops29h 25mLufthansa
Deal found 11/19$687
This British Airways deal was found by Cheapflights users on 11/19. 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.
Mon 12/91:36 pmSTL - SOF
2 stops19h 34mBritish Airways
Tue 12/246:05 pmSOF - STL
2 stops30h 34mBritish Airways
Deal found 11/19$712
This United Airlines deal was found by Cheapflights users on 11/19. 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.
Sun 12/85:40 pmSTL - SOF
2 stops20h 45mUnited Airlines
Tue 12/242:15 pmSOF - STL
2 stops27h 39mUnited Airlines
Deal found 11/19$715

Find flights from Illinois to Bulgaria within your budget

Customize your flight search to find flights from Illinois to Bulgaria 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 2,629,791 searches. Data last updated November 20, 2024.

Fly from

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Fly to

Any airport

Route

Depart

Return

Price

ChicagoSofia

ORD - SOF

ORDSOF

Chicago O'Hare Intl

Wed 1/8

5:50 pm-6:10 pm

2 stops16h 20m

Sofia

Wed 1/22

6:00 am-7:55 pm

2 stops21h 55m

$543

ChicagoSofia

ORD - SOF

ORDSOF

Chicago O'Hare Intl

Fri 2/7

7:20 am-2:00 pm

2 stops22h 40m

Sofia

Sat 2/22

1:45 pm-10:54 am

2 stops29h 09m

$554

ChicagoVarna

ORD - VAR

ORDVAR

Chicago O'Hare Intl

Tue 2/18

1:20 pm-3:15 pm

2 stops17h 55m

Varna

Sun 2/23

4:00 pm-2:05 pm

1 stop30h 05m

$555

ChicagoVarna

ORD - VAR

ORDVAR

Chicago O'Hare Intl

Tue 2/18

6:00 am-3:15 pm

2 stops25h 15m

Varna

Sun 2/23

4:00 pm-2:05 pm

1 stop30h 05m

$564

ChicagoSofia

MDW - SOF

MDWSOF

Chicago Midway

Wed 2/5

12:44 pm-2:05 pm

2 stops17h 21m

Sofia

Wed 2/19

7:00 am-5:47 pm

2 stops18h 47m

$565

ChicagoSofia

MDW - SOF

MDWSOF

Chicago Midway

Thu 1/9

2:08 pm-1:55 pm

2 stops15h 47m

Sofia

Wed 1/22

7:00 am-10:20 pm

2 stops23h 20m

$569

ChicagoSofia

MDW - SOF

MDWSOF

Chicago Midway

Mon 1/13

2:08 pm-2:05 pm

2 stops15h 57m

Sofia

Thu 2/6

7:00 am-5:47 pm

2 stops18h 47m

$571

ChicagoSofia

ORD - SOF

ORDSOF

Chicago O'Hare Intl

Mon 12/30

9:55 pm-1:50 pm

1 stop31h 55m

Sofia

Tue 1/14

6:35 pm-8:00 pm

1 stop33h 25m

$577

ChicagoSofia

ORD - SOF

ORDSOF

Chicago O'Hare Intl

Fri 4/18

11:35 am-8:25 pm

1 stop24h 50m

Sofia

Fri 5/2

9:15 pm-5:55 pm

1 stop28h 40m

$583

ChicagoVarna

ORD - VAR

ORDVAR

Chicago O'Hare Intl

Mon 2/17

9:25 pm-3:15 pm

2 stops33h 50m

Varna

Sun 2/23

4:00 pm-8:05 pm

2 stops36h 05m

$610

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/20

Showing 1-10 of 43 results
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Best time to book a flight from Illinois to Bulgaria

Have a flexible travel schedule? Discover the best time to fly to Bulgaria from Illinois 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 Illinois to Bulgaria

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

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

Currently, November is the cheapest month in which you can book a flight from Illinois to Bulgaria (average of $606). Flying from Illinois to Bulgaria in June is currently the most expensive (average of $1,242). 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 IL to BG?

Find hourly flight availability from Illinois to Bulgaria. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated November 20, 2024.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Illinois to Bulgaria as you normally would.

Rainfall in Bulgaria by month

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

In terms of precipitation, rainfall in Bulgaria ranges from 1.2 - 2.8 inches per month. June is typically the wettest month, when rainfall can reach 2.8 in. January is typically the driest time to visit Bulgaria when rainfall is around 1.2 in.

Temperature in Bulgaria by month

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

If weather is an important factor for your trip to Bulgaria, 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 68.0 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 30.2 F).

Reviews of airlines servicing Bulgaria

Get insights into the airlines that provide service to Bulgaria. 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 Bulgaria. Reviews last updated November 20, 2024.
Read reviews from past customers who have flown Air France, KLM and Lufthansa from Illinois to Bulgaria. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
KLM
7.8
Good
1,350 reviews

Comfort

7.7

Crew

8.4

Entertainment

7.2

Boarding

7.9

Food

7.3

Overall

7.8

Reviews

1 / 10

Flight performed by El Al. The aircraft was dirty. Gum in front pcket. Poorly maintained.

KLM
7.8
Good
1,350 reviews
KLM
7.8
Good
1,350 reviews

Comfort

7.7

Crew

8.4

Entertainment

7.2

Boarding

7.9

Food

7.3

Overall

7.8

Reviews

1 / 10

Flight performed by El Al. The aircraft was dirty. Gum in front pcket. Poorly maintained.

LOT
7.6
Good
1,165 reviews
KLM
7.8
Good
1,350 reviews

Comfort

7.7

Crew

8.4

Entertainment

7.2

Boarding

7.9

Food

7.3

Overall

7.8

Reviews

1 / 10

Flight performed by El Al. The aircraft was dirty. Gum in front pcket. Poorly maintained.

Austrian Airlines
7.6
Good
805 reviews
KLM
7.8
Good
1,350 reviews

Comfort

7.7

Crew

8.4

Entertainment

7.2

Boarding

7.9

Food

7.3

Overall

7.8

Reviews

1 / 10

Flight performed by El Al. The aircraft was dirty. Gum in front pcket. Poorly maintained.

SWISS
7.6
Good
1,637 reviews
KLM
7.8
Good
1,350 reviews

Comfort

7.7

Crew

8.4

Entertainment

7.2

Boarding

7.9

Food

7.3

Overall

7.8

Reviews

1 / 10

Flight performed by El Al. The aircraft was dirty. Gum in front pcket. Poorly maintained.

Air France
7.4
Good
1,523 reviews
KLM
7.8
Good
1,350 reviews

Comfort

7.7

Crew

8.4

Entertainment

7.2

Boarding

7.9

Food

7.3

Overall

7.8

Reviews

1 / 10

Flight performed by El Al. The aircraft was dirty. Gum in front pcket. Poorly maintained.

Related info for your journey

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

    One-way options have recently been found by users for as low as $444 on LOT. Other airlines that offer cheap prices include Air Serbia from $448 and British Airways from $467 one-way.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Illinois to Bulgaria 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 Illinois to Bulgaria?

    Currently, November is the cheapest month in which you can book a flight from Illinois to Bulgaria (average of $606). Flying from Illinois to Bulgaria in June is currently the most expensive (average of $1,242). 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.

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Alternative routes for Illinois to Bulgaria

See prices for flight routes from nearby airports that may be better suited for you.
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Top 10 airlines flying from Illinois to Bulgaria

Discover the top 10 airlines that operate flights from Illinois to Bulgaria. 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 2,629,791 searches. Data last updated November 20, 2024.
AirlineCheapestAverageFlexibilityOn-time
Turkish AirlinesCheapest$508Average$950FlexibilityNo cancel feeOn-time77%
KLMCheapest$545Average$738FlexibilityNo cancel feeOn-time75%
British AirwaysCheapest$568Average$909FlexibilityNo cancel feeOn-time70%
Austrian AirlinesCheapest$579Average$905FlexibilityNo cancel feeOn-time78%
LOTCheapest$585Average$893FlexibilityNo cancel feeOn-time81%
LufthansaCheapest$613Average$1,092FlexibilityNo cancel feeOn-time76%
United AirlinesCheapest$619Average$907FlexibilityNo cancel feeOn-time69%
ITA AirwaysCheapest$650Average$817FlexibilityNo cancel feeOn-time81%
Air CanadaCheapest$682Average$962FlexibilityNo cancel feeOn-time67%
SWISSCheapest$685Average$1,115FlexibilityNo cancel feeOn-time79%
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