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Cheap flights from Chicago to Bulgaria from $293

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Chicago to Bulgaria departing on 4/17. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Find the cheapest flights from Chicago to Bulgaria

Cheap round-trip flights

Enter your travel dates to find the best prices.
Turkish Airlines Logo
8:10 pm - 9:20 pm
ORD
-
VAR
17h 10m
1 stop
Turkish Airlines Logo
3:45 am - 6:15 pm
VAR
-
ORD
22h 30m
1 stop
$572Turkish Airlines
Tue, Aug 18 - Mon, Sep 21
Turkish Airlines Logo
11:25 am - 8:45 am
ORD
-
VAR
13h 20m
1 stop
Turkish Airlines Logo
10:10 pm - 9:40 am
VAR
-
ORD
19h 30m
1 stop
$580Turkish Airlines
Mon, Apr 13 - Mon, Apr 27
Lufthansa Logo
4:05 pm - 6:15 pm
ORD
-
BOJ
18h 10m
1 stop
Lufthansa Logo
12:35 pm - 6:15 pm
BOJ
-
ORD
13h 40m
1 stop
$803Lufthansa
Mon, Sep 14 - Wed, Sep 23
Lufthansa Logo
9:30 pm - 6:15 pm
ORD
-
BOJ
36h 45m
2 stops
Lufthansa Logo
12:35 pm - 6:15 pm
BOJ
-
ORD
13h 40m
1 stop
$819Lufthansa
Sun, Sep 13 - Wed, Sep 23
Austrian Airlines Logo
4:20 pm - 12:20 pm
ORD
-
BOJ
12h 00m
1 stop
Austrian Airlines Logo
4:00 pm - 1:20 pm
BOJ
-
ORD
29h 20m
1 stop
$820Austrian Airlines
Mon, Sep 14 - Thu, Sep 24
Austrian Airlines Logo
4:20 pm - 12:20 pm
ORD
-
BOJ
12h 00m
1 stop
Austrian Airlines Logo
1:05 pm - 5:00 pm
BOJ
-
ORD
35h 55m
2 stops
$829Austrian Airlines
Mon, Aug 17 - Tue, Sep 8
Multiple Airlines Logo
7:45 pm - 6:15 pm
ORD
-
BOJ
38h 30m
2 stops
Multiple Airlines Logo
11:20 am - 1:20 pm
BOJ
-
ORD
34h 00m
1 stop
$845Multiple Airlines
Sun, Sep 13 - Sat, Sep 26
KLM Logo
1:24 pm - 2:00 pm
MDW
-
SOF
16h 36m
2 stops
KLM Logo
7:00 am - 6:36 pm
SOF
-
MDW
19h 36m
2 stops
$863KLM
Sun, Apr 19 - Tue, May 5
Multiple Airlines Logo
1:49 pm - 2:00 pm
MDW
-
SOF
16h 11m
2 stops
Multiple Airlines Logo
7:00 am - 4:27 pm
SOF
-
MDW
17h 27m
2 stops
$866Multiple Airlines
Tue, Jul 28 - Tue, Aug 18
KLM Logo
1:24 pm - 2:00 pm
MDW
-
SOF
16h 36m
2 stops
KLM Logo
7:00 am - 5:58 pm
SOF
-
MDW
18h 58m
2 stops
$944KLM
Sun, Apr 19 - Tue, May 5

KLM flights from Chicago to Bulgaria

Our best KLM deals on Chicago to Bulgaria flight tickets
KLM
Apr 19
MDW1:24 pmChicago Midway
16h 36m
2 stops
SOF2:00 pmSofia
May 5
SOF7:00 amSofia
19h 36m
2 stops
MDW6:36 pmChicago Midway
$863
KLM
Apr 19
MDW1:24 pmChicago Midway
16h 36m
2 stops
SOF2:00 pmSofia
May 5
SOF7:00 amSofia
18h 58m
2 stops
MDW5:58 pmChicago Midway
$944
KLM
Apr 13
MDW1:24 pmChicago Midway
16h 36m
2 stops
SOF2:00 pmSofia
Apr 25
SOF7:00 amSofia
17h 29m
2 stops
MDW4:29 pmChicago Midway
$951

Turkish Airlines flights from Chicago to Bulgaria

Our best Turkish Airlines deals on Chicago to Bulgaria flight tickets
Turkish Airlines
Aug 18
ORD8:10 pmChicago O'Hare Intl
17h 10m
1 stop
VAR9:20 pmVarna
Sep 21
VAR3:45 amVarna
22h 30m
1 stop
ORD6:15 pmChicago O'Hare Intl
$572
Turkish Airlines
Aug 2
ORD8:10 pmChicago O'Hare Intl
16h 05m
1 stop
SOF8:15 pmSofia
Sep 8
SOF9:05 pmSofia
29h 10m
1 stop
ORD6:15 pmChicago O'Hare Intl
$580
Turkish Airlines
Apr 27
ORD8:10 pmChicago O'Hare Intl
16h 05m
1 stop
SOF8:15 pmSofia
May 11
SOF9:05 pmSofia
20h 35m
1 stop
ORD9:40 amChicago O'Hare Intl
$582

momondo Fare Finder

 
Customize your flight search to find flights from Chicago 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, momondo users made 832,500 searches. Data last updated March 25, 2026.
Use the filters below to find and compare flights from Chicago to Bulgaria that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

ChicagoVarna

ORD - VAR

ORDVAR

Chicago O'Hare Intl

Tue 8/18

8:10 pm-9:20 pm

1 stop17h 10m

Varna

Mon 9/21

3:45 am-6:15 pm

1 stop22h 30m

$572

ChicagoVarna

ORD - VAR

ORDVAR

Chicago O'Hare Intl

Mon 4/13

11:25 am-8:45 am

1 stop13h 20m

Varna

Mon 4/27

10:10 pm-9:40 am

1 stop19h 30m

$580
Quickest round-trip

ChicagoBurgas

ORD - BOJ

ORDBOJ

Chicago O'Hare Intl

Mon 9/14

4:05 pm-6:15 pm

1 stop18h 10m

Bourgas

Wed 9/23

12:35 pm-6:15 pm

1 stop13h 40m

$803

ChicagoBurgas

ORD - BOJ

ORDBOJ

Chicago O'Hare Intl

Sun 9/13

9:30 pm-6:15 pm

2 stops36h 45m

Bourgas

Wed 9/23

12:35 pm-6:15 pm

1 stop13h 40m

$819

ChicagoBurgas

ORD - BOJ

ORDBOJ

Chicago O'Hare Intl

Mon 9/14

4:20 pm-12:20 pm

1 stop12h 00m

Bourgas

Thu 9/24

4:00 pm-1:20 pm

1 stop29h 20m

$820

ChicagoBurgas

ORD - BOJ

ORDBOJ

Chicago O'Hare Intl

Mon 8/17

4:20 pm-12:20 pm

1 stop12h 00m

Bourgas

Tue 9/8

1:05 pm-5:00 pm

2 stops35h 55m

$829

ChicagoBurgas

ORD - BOJ

ORDBOJ

Chicago O'Hare Intl

Sun 9/13

7:45 pm-6:15 pm

2 stops38h 30m

Bourgas

Sat 9/26

11:20 am-1:20 pm

1 stop34h 00m

$845

ChicagoSofia

MDW - SOF

MDWSOF

Chicago Midway

Sun 4/19

1:24 pm-2:00 pm

2 stops16h 36m

Sofia

Tue 5/5

7:00 am-6:36 pm

2 stops19h 36m

$863

ChicagoSofia

MDW - SOF

MDWSOF

Chicago Midway

Tue 7/28

1:49 pm-2:00 pm

2 stops16h 11m

Sofia

Tue 8/18

7:00 am-4:27 pm

2 stops17h 27m

$866

ChicagoSofia

MDW - SOF

MDWSOF

Chicago Midway

Sun 4/19

1:24 pm-2:00 pm

2 stops16h 36m

Sofia

Tue 5/5

7:00 am-5:58 pm

2 stops18h 58m

$944

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Bulgaria from

How to get the cheapest flight ticket from Chicago to Bulgaria

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

What is the cheapest month to fly to Bulgaria?

If you aren’t able to travel to Bulgaria during the month of February, then flying in November is also cheap. Prices for this month can be found on momondo for an average of $617.

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

You are more likely to see cheaper flights to Bulgaria from Chicago when booking weeks ahead of your departure date. In general, you can expect to find flights to Bulgaria for around $732 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Bulgaria from Chicago for as low as $691 on momondo.

Can stopping save me money on Chicago to Bulgaria flights?

You could potentially save up to 18% on your flight if you consider stops on a Chicago to Bulgaria flight.

Cheap Chicago to Bulgaria flight deals and tips

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

Fastest flight time

13h 20m

Direct flights

None
The fastest flight from Chicago to Bulgaria takes 13h 20m
There are no direct flights from Chicago to Bulgaria. There are no popular flight routes from Chicago to Bulgaria.
Search flight deals

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

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

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

  • How old do you have to be to fly from Chicago to Bulgaria?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Chicago to Bulgaria.

  • What documentation or ID do you need to fly to Bulgaria?

    The necessary travel and health documents for your Bulgaria trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Best airlines flying from Chicago to Bulgaria

Compare and see reviews for airlines that fly from Chicago to Bulgaria with momondo
Airline
Rating
Free Cancellation
Price
ITA AirwaysPriceFrom $469Free CancellationRating
6.7
1,173 reviews
Search ITA Airways flights
Turkish AirlinesPriceFrom $521Free CancellationRating
7.4
4,281 reviews
Search Turkish Airlines flights
KLMPriceFrom $533Free CancellationRating
7.8
1,478 reviews
Search KLM flights
United AirlinesPriceFrom $563Free CancellationRating
7.4
9,483 reviews
Search United Airlines flights
SWISSPriceFrom $565Free CancellationRating
7.5
1,904 reviews
Search SWISS flights
Austrian AirlinesPriceFrom $575Free CancellationRating
7.6
902 reviews
Search Austrian Airlines flights
LufthansaPriceFrom $580Free CancellationRating
6.8
7,870 reviews
Search Lufthansa flights
LOTPriceFrom $585Free CancellationRating
7.5
1,182 reviews
Search LOT flights
Air FrancePriceFrom $585Free CancellationRating
7.4
1,553 reviews
Search Air France flights
British AirwaysPriceFrom $609Free CancellationRating
6.7
7,821 reviews
Search British Airways flights

Why use momondo?

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

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Chicago to Bulgaria for you.

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

Yes. momondo allows you to filter the results for Chicago to Bulgaria flights to just show those with flexible booking policies.

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

momondo provides multiple filters to help you find the best flight to Bulgaria from Chicago. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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

Price alerts on flights to Bulgaria from Chicago are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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