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Cheap flights from Chicago to Bulgaria from $330

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 8/19. 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
11:25 am - 9:20 pm
ORD
-
VAR
25h 55m
1 stop
Turkish Airlines Logo
3:45 am - 9:40 am
VAR
-
ORD
13h 55m
1 stop
$720Turkish Airlines
Tue, Aug 18 - Mon, Sep 21
Turkish Airlines Logo
11:25 am - 8:30 am
ORD
-
VAR
13h 05m
1 stop
Turkish Airlines Logo
9:20 am - 9:40 am
VAR
-
ORD
32h 20m
1 stop
$733Turkish Airlines
Thu, Sep 10 - Fri, Sep 25
Turkish Airlines Logo
8:10 pm - 9:20 pm
ORD
-
VAR
17h 10m
1 stop
Turkish Airlines Logo
3:45 am - 9:40 am
VAR
-
ORD
13h 55m
1 stop
$791Turkish Airlines
Tue, Sep 1 - Sat, Sep 19
LOT Logo
10:55 pm - 5:50 pm
ORD
-
SOF
11h 55m
1 stop
LOT Logo
6:35 pm - 7:55 pm
SOF
-
ORD
33h 20m
2 stops
$836LOT
Sat, Oct 31 - Sun, Jan 31
Austrian Airlines Logo
12:57 pm - 3:15 pm
ORD
-
BOJ
18h 18m
2 stops
Austrian Airlines Logo
4:00 pm - 1:20 pm
BOJ
-
ORD
29h 20m
1 stop
$869Austrian Airlines
Wed, Aug 26 - Thu, Sep 10
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
$871Austrian Airlines
Mon, Aug 24 - Thu, Sep 10
Lufthansa Logo
4:05 pm - 6:20 pm
ORD
-
BOJ
18h 15m
1 stop
Lufthansa Logo
12:35 pm - 6:15 pm
BOJ
-
ORD
13h 40m
1 stop
$897Lufthansa
Mon, Aug 24 - Wed, Sep 9
Lufthansa Logo
10:30 pm - 6:45 pm
ORD
-
VAR
12h 15m
1 stop
Lufthansa Logo
4:00 pm - 12:55 pm
VAR
-
ORD
28h 55m
2 stops
$907Lufthansa
Tue, Aug 18 - Tue, Sep 22
KLM Logo
10:35 am - 2:00 pm
MDW
-
SOF
19h 25m
2 stops
KLM Logo
7:00 am - 3:27 pm
SOF
-
MDW
40h 27m
2 stops
$910KLM
Wed, Sep 2 - Wed, Sep 9
KLM Logo
1:27 pm - 2:00 pm
MDW
-
SOF
16h 33m
2 stops
KLM Logo
7:00 am - 6:05 pm
SOF
-
MDW
19h 05m
2 stops
$928KLM
Sun, Aug 23 - Sun, Sep 6

Turkish Airlines flights from Chicago to Bulgaria

Our best Turkish Airlines deals on Chicago to Bulgaria flight tickets
Turkish Airlines
Aug 2
ORD11:25 amChicago O'Hare Intl
13h 20m
1 stop
SOF8:45 amSofia
Sep 26
SOF3:50 pmSofia
25h 50m
1 stop
ORD9:40 amChicago O'Hare Intl
$852
Turkish Airlines
Jul 30
ORD8:10 pmChicago O'Hare Intl
16h 05m
1 stop
SOF8:15 pmSofia
Sep 18
SOF2:05 pmSofia
27h 35m
1 stop
ORD9:40 amChicago O'Hare Intl
$857
Turkish Airlines
Aug 1
ORD8:10 pmChicago O'Hare Intl
34h 50m
1 stop
SOF3:00 pmSofia
Sep 26
SOF3:50 pmSofia
25h 50m
1 stop
ORD9:40 amChicago O'Hare Intl
$892

Air France flights from Chicago to Bulgaria

Our best Air France deals on Chicago to Bulgaria flight tickets
Air France
Aug 3
ORD12:29 pmChicago O'Hare Intl
17h 31m
2 stops
SOF2:00 pmSofia
Sep 22
SOF7:00 amSofia
18h 41m
2 stops
ORD5:41 pmChicago O'Hare Intl
$855
Air France
May 11
ORD5:10 pmChicago O'Hare Intl
12h 50m
1 stop
SOF2:00 pmSofia
May 25
SOF7:00 amSofia
16h 10m
1 stop
ORD3:10 pmChicago O'Hare Intl
$1,000

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 May 7, 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

11:25 am-9:20 pm

1 stop25h 55m

Varna

Mon 9/21

3:45 am-9:40 am

1 stop13h 55m

$720

ChicagoVarna

ORD - VAR

ORDVAR

Chicago O'Hare Intl

Thu 9/10

11:25 am-8:30 am

1 stop13h 05m

Varna

Fri 9/25

9:20 am-9:40 am

1 stop32h 20m

$733
Quickest round-trip

ChicagoVarna

ORD - VAR

ORDVAR

Chicago O'Hare Intl

Tue 9/1

8:10 pm-9:20 pm

1 stop17h 10m

Varna

Sat 9/19

3:45 am-9:40 am

1 stop13h 55m

$791

ChicagoSofia

ORD - SOF

ORDSOF

Chicago O'Hare Intl

Sat 10/31

10:55 pm-5:50 pm

1 stop11h 55m

Sofia

Sun 1/31

6:35 pm-7:55 pm

2 stops33h 20m

$836

ChicagoBurgas

ORD - BOJ

ORDBOJ

Chicago O'Hare Intl

Wed 8/26

12:57 pm-3:15 pm

2 stops18h 18m

Bourgas

Thu 9/10

4:00 pm-1:20 pm

1 stop29h 20m

$869

ChicagoBurgas

ORD - BOJ

ORDBOJ

Chicago O'Hare Intl

Mon 8/24

4:20 pm-12:20 pm

1 stop12h 00m

Bourgas

Thu 9/10

4:00 pm-1:20 pm

1 stop29h 20m

$871

ChicagoBurgas

ORD - BOJ

ORDBOJ

Chicago O'Hare Intl

Mon 8/24

4:05 pm-6:20 pm

1 stop18h 15m

Bourgas

Wed 9/9

12:35 pm-6:15 pm

1 stop13h 40m

$897

ChicagoVarna

ORD - VAR

ORDVAR

Chicago O'Hare Intl

Tue 8/18

10:30 pm-6:45 pm

1 stop12h 15m

Varna

Tue 9/22

4:00 pm-12:55 pm

2 stops28h 55m

$907

ChicagoSofia

MDW - SOF

MDWSOF

Chicago Midway

Wed 9/2

10:35 am-2:00 pm

2 stops19h 25m

Sofia

Wed 9/9

7:00 am-3:27 pm

2 stops40h 27m

$910

ChicagoSofia

MDW - SOF

MDWSOF

Chicago Midway

Sun 8/23

1:27 pm-2:00 pm

2 stops16h 33m

Sofia

Sun 9/6

7:00 am-6:05 pm

2 stops19h 05m

$928

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 October, then flying in November is also cheap. Prices for this month can be found on momondo for an average of $429.

How far in advance should I book a flight from Chicago 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 $750 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 $739 on momondo.

Can stopping save me money on Chicago to Bulgaria flights?

You could potentially save up to 14% 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

12h 00m

Direct flights

None
The fastest flight from Chicago to Bulgaria takes 12h 00m
There are no direct flights from Chicago to Bulgaria. There are no popular flight routes from Chicago to Bulgaria.
Search flight deals

Frequently asked questions about flying from Chicago to Bulgaria

  • 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
KLMPriceFrom $425Free CancellationRating
7.8
1,511 reviews
Search KLM flights
ITA AirwaysPriceFrom $508Free CancellationRating
6.7
1,207 reviews
Search ITA Airways flights
Turkish AirlinesPriceFrom $521Free CancellationRating
7.4
4,356 reviews
Search Turkish Airlines flights
United AirlinesPriceFrom $561Free CancellationRating
7.4
9,691 reviews
Search United Airlines flights
SWISSPriceFrom $564Free CancellationRating
7.6
1,937 reviews
Search SWISS flights
LufthansaPriceFrom $580Free CancellationRating
6.8
7,975 reviews
Search Lufthansa flights
LOTPriceFrom $580Free CancellationRating
7.5
1,193 reviews
Search LOT flights
Air FrancePriceFrom $585Free CancellationRating
7.4
1,585 reviews
Search Air France flights
Austrian AirlinesPriceFrom $587Free CancellationRating
7.6
915 reviews
Search Austrian Airlines flights
British AirwaysPriceFrom $609Free CancellationRating
6.7
7,949 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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