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Sofia

$296+ Cheap flights from Illinois to Sofia (SOF)

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 11/16. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — SOF
Nov 8 — Nov 151
1 adult
Fri 11/8
Fri 11/15
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Find flight deals from Illinois to Sofia

Cheapest flights from Illinois to Sofia
Explore the most affordable flight options available from Illinois to Sofia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 3, 2024.

This CrystalTravel deal was found by Cheapflights users on 11/2. 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 CrystalTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/137:05 pmORD - SOF
1 stop12h 10mMultiple Airlines
Mon 11/181:45 pmSOF - ORD
1 stop12h 40mMultiple Airlines
Deal found 11/2$601
This FareScan deal was found by Cheapflights users on 11/3. 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 FareScan is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/269:55 pmORD - SOF
1 stop31h 55mLOT
Tue 12/36:35 pmSOF - ORD
1 stop33h 25mLOT
Deal found 11/3$606
This British Airways deal was found by Cheapflights users on 11/2. 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 12/96:30 pmORD - SOF
1 stop14h 40mBritish Airways
Tue 1/216:05 pmSOF - ORD
1 stop27h 50mBritish Airways
Deal found 11/2$627
This Air Canada deal was found by Cheapflights users on 11/2. 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.
Tue 12/1011:35 amORD - SOF
2 stops17h 55mAir Canada
Mon 1/206:00 amSOF - ORD
2 stops16h 45mAir Canada
Deal found 11/2$631
This Kiwi.com deal was found by Cheapflights users on 11/1. 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 12/17:05 pmORD - SOF
2 stops15h 05mSWISS
Sun 12/811:05 amSOF - ORD
1 stop13h 10mSWISS
Deal found 11/1$632
This United Airlines deal was found by Cheapflights users on 11/1. 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 12/89:25 pmORD - SOF
1 stop17h 20mUnited Airlines
Wed 1/156:00 amSOF - ORD
2 stops21h 37mUnited Airlines
Deal found 11/1$636
This Air France deal was found by Cheapflights users on 11/1. 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.
Tue 12/101:30 pmMDW - SOF
2 stops16h 25mMultiple Airlines
Thu 1/167:00 amSOF - MDW
2 stops19h 11mMultiple Airlines
Deal found 11/1$716
This Gurufare deal was found by Cheapflights users on 11/2. 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 12/1110:35 pmORD - SOF
1 stop15h 50mLufthansa
Thu 1/236:10 amSOF - ORD
1 stop15h 15mLufthansa
Deal found 11/2$724
This United deal was found by Cheapflights users on 11/1. 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.
Sat 11/235:30 pmSTL - SOF
2 stops34h 20mMultiple Airlines
Wed 12/42:10 pmSOF - STL
2 stops32h 56mMultiple Airlines
Deal found 11/1$728
This KLM deal was found by Cheapflights users on 11/2. 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.
Mon 12/21:30 pmMDW - SOF
2 stops16h 35mKLM
Sun 12/87:00 amSOF - MDW
2 stops19h 32mKLM
Deal found 11/2$758
This Austrian Airlines deal was found by Cheapflights users on 11/2. 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.
Fri 12/134:20 pmORD - SOF
1 stop17h 10mAustrian Airlines
Tue 1/146:45 pmSOF - ORD
1 stop27h 20mAustrian Airlines
Deal found 11/2$949
This Air France deal was found by Cheapflights users on 11/2. 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 12/121:45 pmORD - SOF
2 stops16h 10mAir France
Tue 1/217:10 amSOF - ORD
1 stop15h 55mAir France
Deal found 11/2$1,001

Find flights from Illinois to Sofia within your budget

Customize your flight search to find flights from Illinois to Sofia 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 2,462,897 searches. Data last updated November 3, 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

ChicagoSofia

ORD - SOF

ORDSOF

Chicago O'Hare Intl

Sat 11/16

4:30 pm-11:40 am

3 stops59h 10m

$296

ChicagoSofia

ORD - SOF

ORDSOF

Chicago O'Hare Intl

Sat 11/16

9:55 pm-1:50 pm

1 stop31h 55m

$421

ChicagoSofia

ORD - SOF

ORDSOF

Chicago O'Hare Intl

Sun 12/1

9:25 pm-10:45 pm

1 stop17h 20m

$477

ChicagoSofia

ORD - SOF

ORDSOF

Chicago O'Hare Intl

Sat 11/16

4:35 pm-4:20 pm

2 stops39h 45m

$478

ChicagoSofia

ORD - SOF

ORDSOF

Chicago O'Hare Intl

Sat 11/30

12:08 am-1:00 pm

2 stops28h 52m

$494

ChicagoSofia

MDW - SOF

MDWSOF

Chicago Midway

Sun 12/1

1:30 pm-2:05 pm

2 stops16h 35m

$545

ChicagoSofia

ORD - SOF

ORDSOF

Chicago O'Hare Intl

Tue 12/17

11:55 am-8:50 pm

1 stop24h 55m

$958

ChicagoSofia

ORD - SOF

ORDSOF

Chicago O'Hare Intl

Tue 12/17

9:50 am-6:10 pm

2 stops24h 20m

$1,059

ChicagoSofia

MDW - SOF

MDWSOF

Chicago Midway

Tue 12/17

1:30 pm-1:55 pm

2 stops16h 25m

$1,264

St. LouisSofia

STL - SOF

STLSOF

Lambert-St Louis

Fri 12/20

10:35 am-10:25 pm

2 stops27h 50m

$1,161

Flights are sorted by cheapest first

Deals found on 11/2

Showing 1-10 of 33 results
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Best time to book a flight from Illinois to Sofia

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

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

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

Currently, November is the cheapest month in which you can book a flight from Illinois to Sofia (average of $608). Flying from Illinois to Sofia 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 SOF?

Find hourly flight availability from Illinois to Sofia. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated November 3, 2024.

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

Rainfall in Sofia by month

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

In terms of precipitation, rainfall in Sofia 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 Sofia when rainfall is around 1.2 in.

Temperature in Sofia by month

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

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

Get insights into the airlines that provide service to Sofia. 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 Sofia. Reviews last updated November 3, 2024.
Peruse reviews from past customers who have flown with KLM, American Airlines and Lufthansa from Illinois to Sofia to help guide your decision. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
KLM
7.8
Good
1,352 reviews

Crew

8.4

Entertainment

7.2

Food

7.3

Boarding

7.9

Comfort

7.7

Overall

7.8

Reviews

1 / 10

Liked the service, seating was ok but the seat supports where in a way that one couldn’t stretch your legs

KLM
7.8
Good
1,352 reviews
KLM
7.8
Good
1,352 reviews

Crew

8.4

Entertainment

7.2

Food

7.3

Boarding

7.9

Comfort

7.7

Overall

7.8

Reviews

1 / 10

Liked the service, seating was ok but the seat supports where in a way that one couldn’t stretch your legs

Austrian Airlines
7.7
Good
827 reviews
KLM
7.8
Good
1,352 reviews

Crew

8.4

Entertainment

7.2

Food

7.3

Boarding

7.9

Comfort

7.7

Overall

7.8

Reviews

1 / 10

Liked the service, seating was ok but the seat supports where in a way that one couldn’t stretch your legs

SWISS
7.6
Good
1,646 reviews
KLM
7.8
Good
1,352 reviews

Crew

8.4

Entertainment

7.2

Food

7.3

Boarding

7.9

Comfort

7.7

Overall

7.8

Reviews

1 / 10

Liked the service, seating was ok but the seat supports where in a way that one couldn’t stretch your legs

LOT
7.6
Good
1,197 reviews
KLM
7.8
Good
1,352 reviews

Crew

8.4

Entertainment

7.2

Food

7.3

Boarding

7.9

Comfort

7.7

Overall

7.8

Reviews

1 / 10

Liked the service, seating was ok but the seat supports where in a way that one couldn’t stretch your legs

Air France
7.4
Good
1,530 reviews
KLM
7.8
Good
1,352 reviews

Crew

8.4

Entertainment

7.2

Food

7.3

Boarding

7.9

Comfort

7.7

Overall

7.8

Reviews

1 / 10

Liked the service, seating was ok but the seat supports where in a way that one couldn’t stretch your legs

Related info for your journey

Find useful and relevant information for your journey from Illinois to Sofia. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Sofia from Illinois?

    Most people fly into Sofia (SOF) if they book a flight to Sofia from Illinois. Sofia is conveniently located just 4.2 mi from Sofia’s city center.

  • Can I find flights from Illinois to Sofia for under $600 on Cheapflights?

    Yes, there are multiple flights from Illinois to Sofia for under $600. The cheapest flight booked recently is on Turkish Airlines for just $510, but on average you can expect to pay $1,186.

  • Are there last-minute flights available from Illinois to Sofia for under $700?

    There are currently 6+ open flights from Illinois to Sofia within the next 7 days for less than $700.

  • What are the cheapest airlines to fly from Illinois to Sofia one-way?

    The cheapest airlines for a one-way flight from Illinois to Sofia are LOT ($421), Lufthansa ($477), and British Airways ($478).

  • What are the most popular routes from Illinois to Sofia?

    While some choose either Chicago Midway - Sofia or Lambert-St Louis - Sofia, Chicago O'Hare Intl - Sofia is the most popular route from Illinois to Sofia.

  • What does ORD to SOF mean?

    These are just IATA (International Air Transport Association) codes. They are used in aviation to identify and differentiate airports. That’s why a Chicago O'Hare Intl Airport to Sofia Airport flight would often be abbreviated as a ORD to SOF flight. While you’re still figuring out your travel plans, it’s not a bad idea to learn the names and codes of other airports around these areas: Chicago Midway Airport (MDW), Moline Quad-City Airport (MLI), Greater Peoria Airport (PIA), Bloomington-Normal Airport (BMI), Champaign University-Willard Airport (CMI).

  • Can I find deals for flights from Illinois to Sofia that include extra baggage allowance?

    The amount of baggage you can bring on your Illinois to Sofia flight depends on the airline and the type of fare you've chosen. After entering your flight details, you'll be able to view the specific baggage policies for each deal in the search results. Keep in mind that certain deals may offer additional baggage allowance.

  • Can I find deals on flights from Illinois to Sofia with specific airlines?

    Yes, Cheapflights allows you to browse and filter Illinois to Sofia flight deals by airline. After entering your origin and destination, use the available filters to view flights offered by airlines.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Illinois to Sofia by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • Can I find deals for flights from Illinois to Sofia that allow pets onboard?

    Many airlines flying from Illinois to Sofia offer the option to travel with pets. After selecting a flight deal, you can find more information about the airline's pet policy on their official website or by contacting the airline directly. Please note that additional fees and restrictions may apply.

  • Can I find deals on last-minute flights from Illinois to Sofia?

    Yes, you can often find last-minute deals on Illinois to Sofia flights on Cheapflights. However, these deals can vary and may not always be available. We recommend checking back frequently or signing up for price alerts for the most up-to-date deals.

  • How recently were the Illinois to Sofia flight deals updated?

    The Illinois to Sofia flight deals you see on this page were last updated on 11/3.

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

    Currently, November is the cheapest month in which you can book a flight from Illinois to Sofia (average of $608). Flying from Illinois to Sofia 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.

See more FAQs

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Alternative routes for Illinois to Sofia

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 Sofia

Discover the top 10 airlines that operate flights from Illinois to Sofia. 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 2,462,897 searches. Data last updated November 3, 2024.
AirlineCheapestAverageFlexibilityOn-time
Turkish AirlinesCheapest$517Average$726FlexibilityNo cancel feeOn-time77%
Austrian AirlinesCheapest$524Average$827FlexibilityNo cancel feeOn-time78%
KLMCheapest$545Average$738FlexibilityNo cancel feeOn-time75%
LOTCheapest$578Average$911FlexibilityNo cancel feeOn-time81%
LufthansaCheapest$587Average$957FlexibilityNo cancel feeOn-time76%
British AirwaysCheapest$588Average$909FlexibilityNo cancel feeOn-time70%
United AirlinesCheapest$589Average$887FlexibilityNo cancel feeOn-time69%
ITA AirwaysCheapest$650Average$817FlexibilityNo cancel feeOn-time81%
SWISSCheapest$666Average$1,096FlexibilityNo cancel feeOn-time79%
Air CanadaCheapest$691Average$984FlexibilityNo cancel feeOn-time67%
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