How long is the flight from Bulgaria to Illinois?

The flight from Bulgaria to Illinois depends on which airports you’re departing and arriving from and whether or not you have a layover. If you fly from Sofia (a popular airport in Bulgaria) to Chicago O'Hare Intl Airport (the most popular airport in Illinois), then the flight time is 13h 45m on average. If you fly from Burgas (another popular airport in Bulgaria) to Chicago O'Hare Intl Airport, then the average flight time is 33h 25m.

What is the cheapest airline that flies from Bulgaria to Illinois?

Turkish Airlines is the most popular carrier operating from Bulgaria to Illinois

What airlines fly to Illinois?

LOT, Lufthansa and United Airlines are the top three most popular airlines that fly to Illinois from Bulgaria according to our data. LOT is the first choice among our users, with 34% of people opting to fly with this airline when traveling to Illinois. Keep in mind that there are 6 different airlines that fly to Illinois on a routine basis, so you have a few additional options to choose from.

When did momondo last update prices for flights from Bulgaria to Illinois?

Prices for flights from Bulgaria to Illinois were last updated today.

How many operators does momondo search for flights from Bulgaria to Illinois?

As of July 2026, there are 6 operators available to choose from for flights from Bulgaria to Illinois.

How old do you have to be to fly from Bulgaria to Illinois?

The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Bulgaria to Illinois.

What documentation or ID do you need to fly to Illinois?

The travel and health documents you'll need for your trip to Illinois may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Illinois. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

$379 Cheap Flights from Bulgaria to Illinois in 2026

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Bulgaria to Illinois

Round-trip

One-way

Last minute

Recent round-trip flight deals from Bulgaria to Illinois

Enter your travel dates to find the best prices.

3:50 pm - 11:00 am

SOF

ORD

27h 10m

1 stop

11:45 am - 8:55 pm

ORD

SOF

25h 10m

1 stop

$802Turkish Airlines

Sat, Oct 24 - Sun, Nov 15

6:40 pm - 3:05 pm

SOF

ORD

52h 25m

2 stops

9:50 pm - 1:50 pm

ORD

SOF

32h 00m

1 stop

$802LOT

Tue, Aug 18 - Sun, Oct 4

6:40 pm - 3:05 pm

SOF

ORD

52h 25m

2 stops

5:10 pm - 1:50 pm

ORD

SOF

12h 40m

1 stop

$802LOT

Tue, Aug 18 - Mon, Oct 5

11:55 am - 10:00 am

SOF

ORD

30h 05m

1 stop

8:15 pm - 3:10 pm

ORD

SOF

34h 55m

1 stop

$803Turkish Airlines

Fri, Nov 20 - Sun, Nov 29

6:30 am - 7:55 pm

SOF

ORD

21h 25m

1 stop

10:30 pm - 10:50 pm

ORD

SOF

16h 20m

1 stop

$805Lufthansa

Thu, Aug 27 - Tue, Sep 15

6:10 am - 7:15 pm

SOF

ORD

21h 05m

2 stops

3:45 pm - 1:25 am

ORD

SOF

25h 40m

2 stops

$809Multiple Airlines

Wed, Oct 7 - Tue, Oct 13

6:20 am - 11:00 am

SOF

ORD

12h 40m

1 stop

6:00 pm - 1:15 pm

ORD

SOF

11h 15m

1 stop

$812Lufthansa

Wed, Oct 21 - Sat, Nov 21

5:15 pm - 4:00 pm

SOF

ORD

30h 45m

2 stops

6:00 pm - 3:00 am

ORD

SOF

25h 00m

3 stops

$812Multiple Airlines

Thu, Sep 10 - Wed, Sep 23

6:20 am - 11:00 am

SOF

ORD

12h 40m

1 stop

1:15 pm - 1:15 pm

ORD

SOF

16h 00m

2 stops

$837United Airlines

Fri, Oct 16 - Sat, Nov 7

6:30 am - 12:55 pm

SOF

ORD

14h 25m

1 stop

10:30 pm - 10:50 pm

ORD

SOF

16h 20m

1 stop

$838United Airlines

Thu, Sep 10 - Wed, Sep 23

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Turkish Airlines flights from Bulgaria to Illinois

Our best Turkish Airlines deals on Bulgaria to Illinois flight tickets

Turkish Airlines

Nov 20

SOF11:55 amSofia

30h 05m

1 stop

ORD10:00 amChicago O'Hare Intl

Nov 29

ORD8:15 pmChicago O'Hare Intl

34h 55m

1 stop

SOF3:10 pmSofia

$803

Turkish Airlines

Oct 26

VAR9:25 pmVarna

20h 35m

1 stop

ORD11:00 amChicago O'Hare Intl

Nov 17

ORD11:45 amChicago O'Hare Intl

13h 30m

1 stop

VAR9:15 amVarna

$926

Turkish Airlines

Sep 20

VAR9:20 amVarna

16h 55m

1 stop

ORD6:15 pmChicago O'Hare Intl

Sep 27

ORD8:10 pmChicago O'Hare Intl

17h 15m

1 stop

VAR9:25 pmVarna

$1,131

United Airlines flights from Bulgaria to Illinois

Our best United Airlines deals on Bulgaria to Illinois flight tickets

United Airlines

Oct 16

SOF6:20 amSofia

12h 40m

1 stop

ORD11:00 amChicago O'Hare Intl

Nov 7

ORD1:15 pmChicago O'Hare Intl

16h 00m

2 stops

SOF1:15 pmSofia

$837

United Airlines

Sep 10

SOF6:30 amSofia

14h 25m

1 stop

ORD12:55 pmChicago O'Hare Intl

Sep 23

ORD10:30 pmChicago O'Hare Intl

16h 20m

1 stop

SOF10:50 pmSofia

$839

United Airlines

Sep 10

SOF6:30 amSofia

14h 25m

1 stop

ORD12:55 pmChicago O'Hare Intl

Sep 23

ORD10:30 pmChicago O'Hare Intl

16h 20m

1 stop

SOF10:50 pmSofia

$840

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

SofiaChicago

SOF - ORD

SOFORD

Sofia

Sat 10/24

3:50 pm-11:00 am

1 stop27h 10m

Chicago O'Hare Intl

Sun 11/15

11:45 am-8:55 pm

1 stop25h 10m

$802

SofiaChicago

SOF - ORD

SOFORD

Sofia

Tue 8/18

6:40 pm-3:05 pm

2 stops52h 25m

Chicago O'Hare Intl

Sun 10/4

9:50 pm-1:50 pm

1 stop32h 00m

$802

SofiaChicago

SOF - ORD

SOFORD

Sofia

Tue 8/18

6:40 pm-3:05 pm

2 stops52h 25m

Chicago O'Hare Intl

Mon 10/5

5:10 pm-1:50 pm

1 stop12h 40m

$802

SofiaChicago

SOF - ORD

SOFORD

Sofia

Fri 11/20

11:55 am-10:00 am

1 stop30h 05m

Chicago O'Hare Intl

Sun 11/29

8:15 pm-3:10 pm

1 stop34h 55m

$803

SofiaChicago

SOF - ORD

SOFORD

Sofia

Thu 8/27

6:30 am-7:55 pm

1 stop21h 25m

Chicago O'Hare Intl

Tue 9/15

10:30 pm-10:50 pm

1 stop16h 20m

$805

SofiaChicago

SOF - ORD

SOFORD

Sofia

Wed 10/7

6:10 am-7:15 pm

2 stops21h 05m

Chicago O'Hare Intl

Tue 10/13

3:45 pm-1:25 am

2 stops25h 40m

$809

Quickest round-trip

SofiaChicago

SOF - ORD

SOFORD

Sofia

Wed 10/21

6:20 am-11:00 am

1 stop12h 40m

Chicago O'Hare Intl

Sat 11/21

6:00 pm-1:15 pm

1 stop11h 15m

$812

SofiaChicago

SOF - ORD

SOFORD

Sofia

Thu 9/10

5:15 pm-4:00 pm

2 stops30h 45m

Chicago O'Hare Intl

Wed 9/23

6:00 pm-3:00 am

3 stops25h 00m

$812

SofiaChicago

SOF - ORD

SOFORD

Sofia

Fri 10/16

6:20 am-11:00 am

1 stop12h 40m

Chicago O'Hare Intl

Sat 11/7

1:15 pm-1:15 pm

2 stops16h 00m

$837

SofiaChicago

SOF - ORD

SOFORD

Sofia

Thu 9/10

6:30 am-12:55 pm

1 stop14h 25m

Chicago O'Hare Intl

Wed 9/23

10:30 pm-10:50 pm

1 stop16h 20m

$838

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Bulgaria to Illinois

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

Other information

What is the cheapest month to fly to Illinois?

The cheapest month to fly to Illinois from Bulgaria is in December. Flight prices, which tend to average around $750, are often lower during this time because this is during the off-season. If you aren’t able to travel to Illinois during the month of December, then flying in November is also cheap. Prices for this month can be found on momondo for an average of $752.

How far in advance should I book a flight from Bulgaria to Illinois?

You are more likely to see cheaper flights to Illinois from Bulgaria when booking weeks ahead of your departure date. In general, you can expect to find flights to Illinois for around $799 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Illinois from Bulgaria for as low as $717 on momondo.

Cheap Bulgaria to Illinois flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Bulgaria to Illinois

Fastest flight time	13h 45m
Direct flights	None

The fastest flight from Bulgaria to Illinois takes 13h 45m

There are no direct flights from Bulgaria to Illinois. There are no popular flight routes from Bulgaria to Illinois.

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Frequently asked questions about flying from Bulgaria to Illinois

When did momondo last update prices for flights from Bulgaria to Illinois?
Prices for flights from Bulgaria to Illinois were last updated today.
How many operators does momondo search for flights from Bulgaria to Illinois?
As of July 2026, there are 6 operators available to choose from for flights from Bulgaria to Illinois.
How old do you have to be to fly from Bulgaria to Illinois?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Bulgaria to Illinois.
What documentation or ID do you need to fly to Illinois?
The travel and health documents you'll need for your trip to Illinois may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Illinois. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Best airlines flying from Bulgaria to Illinois

Compare and see reviews for airlines that fly from Bulgaria to Illinois with momondo

Airline	Rating	Free Cancellation	Price
Turkish Airlines	PriceFrom $594	Free Cancellation	Rating 7.4 4,455 reviews	Search Turkish Airlines flights
LOT	PriceFrom $629	Free Cancellation	Rating 7.6 1,212 reviews	Search LOT flights
KLM	PriceFrom $652	Free Cancellation	Rating 7.8 1,550 reviews	Search KLM flights
Austrian Airlines	PriceFrom $658	Free Cancellation	Rating 7.6 950 reviews	Search Austrian Airlines flights
United Airlines	PriceFrom $704	Free Cancellation	Rating 7.4 10,051 reviews	Search United Airlines flights
Lufthansa	PriceFrom $711	Free Cancellation	Rating 6.8 8,164 reviews	Search Lufthansa flights

Why use momondo?

Why should I use momondo to find a flight deal from Bulgaria to Illinois?

Finding the right flight to Illinois from Bulgaria is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Illinois quick and easy, saving you time and money.

Can I find flights from Bulgaria to Illinois with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to Illinois from Bulgaria with this policy.

How can momondo help me find flights from Bulgaria to Illinois?

Once you have performed a search for Bulgaria to Illinois flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight from Bulgaria to Illinois right now. Can momondo alert me if prices change?

Yes. momondo can track prices for Bulgaria to Illinois flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.