Cheap flights from Illinois to Sofia (SOF) from $413

ORD — SOF
Mar 22 — Mar 291

To save on the cost of your flight from Illinois to Sofia, book at least 61 days before your planned departure. Booking around this time can save you about 6% on the cost of this flight compared to booking a flight leaving this week. We have found prices from $836 if you need a flight within two weeks. For flights within the next 72 hours, you can find tickets from as low as $836.

February is one of the best times of the year to fly to Sofia from Illinois. Prices for February average $670 per person but you can even find prices for as low as $434. The most expensive prices can be found in the month of June. Opting for a February flight can save you 40% on your journey compared to booking in June

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.

Cheap flights from Illinois to Sofia in March, April 2023

The best prices found for Illinois to SOF flights for March, April

Illinois to Sofia 2023 flight deals

Cheap flights to Sofia from Illinois found for this year

Cheap SWISS flights from Illinois to Sofia

Cheap Turkish Airlines flights from Illinois to Sofia

Last minute flights from Illinois to Sofia

Late deals on return flights to Sofia from Illinois, departing today and this week

One-way flights to Sofia from Illinois

The cheapest one-way flights from Illinois to Sofia

Find flights from Illinois to Sofia within your budget

Use the slider to find flights from Illinois to Sofia that fit your budget.

Fly from

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Fly to

Any airport

Budget

$593 - $662

Route

Depart

Return

Price

Chicago O'Hare IntlSofia

ORD - SOF

ORDSOF

Chicago O'Hare Intl

2023-04-11

2 stops14h 49m

Sofia

2023-04-25

1 stop15h 40m

Chicago O'Hare IntlSofia

ORD - SOF

ORDSOF

Chicago O'Hare Intl

2023-04-09

1 stop13h 00m

Sofia

2023-05-04

1 stop20h 45m

Chicago O'Hare IntlSofia

ORD - SOF

ORDSOF

Chicago O'Hare Intl

2023-04-11

2 stops14h 49m

Sofia

2023-05-02

1 stop15h 20m

Chicago O'Hare IntlSofia

ORD - SOF

ORDSOF

Chicago O'Hare Intl

2023-09-07

1 stop27h 25m

Sofia

2023-09-28

1 stop32h 30m

Chicago O'Hare IntlSofia

ORD - SOF

ORDSOF

Chicago O'Hare Intl

2023-04-09

1 stop13h 30m

Sofia

2023-05-03

1 stop13h 25m

Chicago O'Hare IntlSofia

ORD - SOF

ORDSOF

Chicago O'Hare Intl

2023-05-01

1 stop16h 10m

Sofia

2023-11-01

1 stop13h 10m

Chicago O'Hare IntlSofia

ORD - SOF

ORDSOF

Chicago O'Hare Intl

2023-05-01

2 stops52h 40m

Sofia

2023-10-30

1 stop26h 40m

Chicago O'Hare IntlSofia

ORD - SOF

ORDSOF

Chicago O'Hare Intl

2023-04-19

1 stop19h 40m

Sofia

2023-12-13

2 stops31h 05m

Chicago O'Hare IntlSofia

ORD - SOF

ORDSOF

Chicago O'Hare Intl

2023-04-19

1 stop16h 10m

Sofia

2023-12-20

2 stops34h 00m

Flights are sorted by cheapest first

Deals found on 3/15

Reviews of Airlines Servicing Sofia

SWISS
7.7
Good
327 reviews

Boarding

7.9

Comfort

7.5

Crew

8.4

Entertainment

7.0

Overall

7.7

Food

7.3

Reviews

1 / 10

Movie selection could have been better-more up-to-date. I had special meal, Asian Veg and the choice was quite bad.

SWISS
7.7
Good
327 reviews
SWISS
7.7
Good
327 reviews

Boarding

7.9

Comfort

7.5

Crew

8.4

Entertainment

7.0

Overall

7.7

Food

7.3

Reviews

1 / 10

Movie selection could have been better-more up-to-date. I had special meal, Asian Veg and the choice was quite bad.

United Airlines
7.6
Good
1,424 reviews
SWISS
7.7
Good
327 reviews

Boarding

7.9

Comfort

7.5

Crew

8.4

Entertainment

7.0

Overall

7.7

Food

7.3

Reviews

1 / 10

Movie selection could have been better-more up-to-date. I had special meal, Asian Veg and the choice was quite bad.

Austrian Airlines
7.5
Good
141 reviews
SWISS
7.7
Good
327 reviews

Boarding

7.9

Comfort

7.5

Crew

8.4

Entertainment

7.0

Overall

7.7

Food

7.3

Reviews

1 / 10

Movie selection could have been better-more up-to-date. I had special meal, Asian Veg and the choice was quite bad.

American Airlines
7.4
Good
1,690 reviews
SWISS
7.7
Good
327 reviews

Boarding

7.9

Comfort

7.5

Crew

8.4

Entertainment

7.0

Overall

7.7

Food

7.3

Reviews

1 / 10

Movie selection could have been better-more up-to-date. I had special meal, Asian Veg and the choice was quite bad.

Turkish Airlines
7.3
Good
1,234 reviews
SWISS
7.7
Good
327 reviews

Boarding

7.9

Comfort

7.5

Crew

8.4

Entertainment

7.0

Overall

7.7

Food

7.3

Reviews

1 / 10

Movie selection could have been better-more up-to-date. I had special meal, Asian Veg and the choice was quite bad.

Related info for your journey

Useful info, stats and facts about Illinois to Sofia flights.

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.

Due to the rapidly changing circumstances due to COVID-19, airlines like Lufthansa, LOT, and Turkish Airlines flying from Illinois to Sofia have implemented new flexible cancellation policies.

Yes, there are multiple flights from Illinois to Sofia for under $600. The cheapest flight booked recently is on Austrian Airlines for just $593, but on average you can expect to pay $626.

There are currently 20+ open flights from Illinois to Sofia within the next 7 days for less than $600.

The cheapest airlines for a one-way flight from Illinois to Sofia are Turkish Airlines ($413), ITA Airways ($471), and British Airways ($577).

The cheapest flight price from Illinois to Sofia is $135. On average you can expect to pay $1,542. The most popular route, (Chicago O'Hare Intl - Sofia), can usually be booked for $579.

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).

Departure points for flights from Illinois to Sofia

Select to see more specific information for flights to Sofia from all departure points in Illinois

Top 10 airlines flying from Illinois to Sofia

The chart below displays the airlines Cheapflights users traveling from Illinois to Sofia choose most often. Cheapest and average prices are based on aggregated data from the past 12 months.
AirlineCheapestAverageFlexibilityOn-timeCOVID-19 safety
American AirlinesCheapest$425Average$572FlexibilityNo cancel feeOn-time71%COVID-19 safety
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LOTCheapest$426Average$766FlexibilityNo cancel feeOn-time81%COVID-19 safety
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Austrian AirlinesCheapest$436Average$680FlexibilityNo cancel feeOn-time78%COVID-19 safety
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KLMCheapest$442Average$557FlexibilityNo cancel feeOn-time75%COVID-19 safety
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Air FranceCheapest$453Average$645FlexibilityNo cancel feeOn-time77%COVID-19 safety
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United AirlinesCheapest$464Average$763FlexibilityNo cancel feeOn-time69%COVID-19 safety
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LufthansaCheapest$485Average$816FlexibilityNo cancel feeOn-time76%COVID-19 safety
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British AirwaysCheapest$490Average$684FlexibilityNo cancel feeOn-time70%COVID-19 safety
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SWISSCheapest$498Average$1,159FlexibilityNo cancel feeOn-time79%COVID-19 safety
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Turkish AirlinesCheapest$522Average$869FlexibilityNo cancel feeOn-time77%COVID-19 safety
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