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Cheap flights from Chicago to Bulgaria from $252

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 8/27. 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
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

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 - 8:30 am
ORD
-
VAR
28h 20m
1 stop
Turkish Airlines Logo
9:20 am - 9:40 am
VAR
-
ORD
32h 20m
1 stop
$724Turkish Airlines
Mon, Sep 7 - Tue, Sep 29
LOT Logo
9:50 pm - 6:00 pm
ORD
-
SOF
12h 10m
1 stop
LOT Logo
6:45 pm - 3:10 pm
SOF
-
ORD
28h 25m
1 stop
$813LOT
Fri, Sep 4 - Wed, Sep 23
Lufthansa Logo
3:35 pm - 6:40 pm
ORD
-
SOF
19h 05m
1 stop
Lufthansa Logo
1:50 pm - 7:55 pm
SOF
-
ORD
14h 05m
1 stop
$814Lufthansa
Wed, Oct 7 - Sun, Oct 18
Multiple Airlines Logo
11:05 am - 6:40 pm
ORD
-
SOF
23h 35m
2 stops
Multiple Airlines Logo
6:20 am - 12:55 pm
SOF
-
ORD
14h 35m
1 stop
$815Multiple Airlines
Tue, Sep 22 - Fri, Apr 30
Lufthansa Logo
9:40 pm - 6:40 pm
ORD
-
SOF
13h 00m
1 stop
Lufthansa Logo
6:30 am - 7:55 pm
SOF
-
ORD
21h 25m
1 stop
$816Lufthansa
Wed, Aug 19 - Thu, Sep 3
United Airlines Logo
4:00 pm - 6:40 pm
ORD
-
SOF
18h 40m
2 stops
United Airlines Logo
6:20 am - 2:00 pm
SOF
-
ORD
15h 40m
2 stops
$817United Airlines
Wed, Aug 12 - Wed, Aug 26
Turkish Airlines Logo
8:10 pm - 3:00 pm
ORD
-
SOF
34h 50m
1 stop
Turkish Airlines Logo
3:50 pm - 9:40 am
SOF
-
ORD
25h 50m
1 stop
$818Turkish Airlines
Sat, Aug 22 - Tue, Sep 22
Multiple Airlines Logo
7:25 pm - 11:35 pm
ORD
-
SOF
20h 10m
2 stops
Multiple Airlines Logo
5:15 pm - 12:40 pm
SOF
-
ORD
27h 25m
2 stops
$820Multiple Airlines
Tue, Aug 11 - Wed, Sep 2
Turkish Airlines Logo
8:10 pm - 8:45 am
ORD
-
SOF
28h 35m
1 stop
Turkish Airlines Logo
9:10 pm - 9:40 am
SOF
-
ORD
20h 30m
1 stop
$821Turkish Airlines
Tue, Sep 1 - Mon, Oct 5
Turkish Airlines Logo
8:10 pm - 8:20 pm
ORD
-
SOF
16h 10m
1 stop
Turkish Airlines Logo
3:50 pm - 9:40 am
SOF
-
ORD
25h 50m
1 stop
$822Turkish Airlines
Fri, Aug 21 - Fri, Sep 18

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Turkish Airlines flights from Chicago to Bulgaria

Our best Turkish Airlines deals on Chicago to Bulgaria flight tickets
Turkish Airlines
Sep 7
ORD8:10 pmChicago O'Hare Intl
28h 20m
1 stop
VAR8:30 amVarna
Sep 29
VAR9:20 amVarna
32h 20m
1 stop
ORD9:40 amChicago O'Hare Intl
$724
Turkish Airlines
Aug 22
ORD8:10 pmChicago O'Hare Intl
34h 50m
1 stop
SOF3:00 pmSofia
Sep 22
SOF3:50 pmSofia
25h 50m
1 stop
ORD9:40 amChicago O'Hare Intl
$818
Turkish Airlines
Sep 1
ORD8:10 pmChicago O'Hare Intl
28h 35m
1 stop
SOF8:45 amSofia
Oct 5
SOF9:10 pmSofia
20h 30m
1 stop
ORD9:40 amChicago O'Hare Intl
$821

Air Canada flights from Chicago to Bulgaria

Our best Air Canada deals on Chicago to Bulgaria flight tickets
Air Canada
Sep 1
ORD7:11 amChicago O'Hare Intl
27h 29m
2 stops
SOF6:40 pmSofia
Sep 22
SOF6:10 amSofia
40h 42m
2 stops
ORD2:52 pmChicago O'Hare Intl
$841
Air Canada
Aug 17
ORD9:50 amChicago O'Hare Intl
18h 20m
2 stops
SOF12:10 pmSofia
Sep 25
SOF6:10 amSofia
23h 56m
2 stops
ORD10:06 pmChicago O'Hare Intl
$852
Air Canada
Aug 26
ORD8:40 amChicago O'Hare Intl
25h 25m
2 stops
SOF6:05 pmSofia
Oct 7
SOF6:20 amSofia
21h 52m
2 stops
ORD8:12 pmChicago O'Hare Intl
$853

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 July 12, 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

Mon 9/7

8:10 pm-8:30 am

1 stop28h 20m

Varna

Tue 9/29

9:20 am-9:40 am

1 stop32h 20m

$724

ChicagoSofia

ORD - SOF

ORDSOF

Chicago O'Hare Intl

Fri 9/4

9:50 pm-6:00 pm

1 stop12h 10m

Sofia

Wed 9/23

6:45 pm-3:10 pm

1 stop28h 25m

$813
Quickest round-trip

ChicagoSofia

ORD - SOF

ORDSOF

Chicago O'Hare Intl

Wed 10/7

3:35 pm-6:40 pm

1 stop19h 05m

Sofia

Sun 10/18

1:50 pm-7:55 pm

1 stop14h 05m

$814

ChicagoSofia

ORD - SOF

ORDSOF

Chicago O'Hare Intl

Tue 9/22

11:05 am-6:40 pm

2 stops23h 35m

Sofia

Fri 4/30

6:20 am-12:55 pm

1 stop14h 35m

$815

ChicagoSofia

ORD - SOF

ORDSOF

Chicago O'Hare Intl

Wed 8/19

9:40 pm-6:40 pm

1 stop13h 00m

Sofia

Thu 9/3

6:30 am-7:55 pm

1 stop21h 25m

$816

ChicagoSofia

ORD - SOF

ORDSOF

Chicago O'Hare Intl

Wed 8/12

4:00 pm-6:40 pm

2 stops18h 40m

Sofia

Wed 8/26

6:20 am-2:00 pm

2 stops15h 40m

$817

ChicagoSofia

ORD - SOF

ORDSOF

Chicago O'Hare Intl

Sat 8/22

8:10 pm-3:00 pm

1 stop34h 50m

Sofia

Tue 9/22

3:50 pm-9:40 am

1 stop25h 50m

$818

ChicagoSofia

ORD - SOF

ORDSOF

Chicago O'Hare Intl

Tue 8/11

7:25 pm-11:35 pm

2 stops20h 10m

Sofia

Wed 9/2

5:15 pm-12:40 pm

2 stops27h 25m

$820

ChicagoSofia

ORD - SOF

ORDSOF

Chicago O'Hare Intl

Tue 9/1

8:10 pm-8:45 am

1 stop28h 35m

Sofia

Mon 10/5

9:10 pm-9:40 am

1 stop20h 30m

$821

ChicagoSofia

ORD - SOF

ORDSOF

Chicago O'Hare Intl

Fri 8/21

8:10 pm-8:20 pm

1 stop16h 10m

Sofia

Fri 9/18

3:50 pm-9:40 am

1 stop25h 50m

$822

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 January is also cheap. Prices for this month can be found on momondo for an average of $472.

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 $767 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 $697 on momondo.

Can stopping save me money on Chicago to Bulgaria flights?

You could potentially save up to 25% 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 05m

Direct flights

None
The fastest flight from Chicago to Bulgaria takes 12h 05m
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
Turkish AirlinesPriceFrom $520Free CancellationRating
7.4
4,442 reviews
Search Turkish Airlines flights
SWISSPriceFrom $521Free CancellationRating
7.5
2,001 reviews
Search SWISS flights
United AirlinesPriceFrom $566Free CancellationRating
7.4
9,980 reviews
Search United Airlines flights
LOTPriceFrom $578Free CancellationRating
7.5
1,210 reviews
Search LOT flights
Air FrancePriceFrom $585Free CancellationRating
7.5
1,625 reviews
Search Air France flights
Austrian AirlinesPriceFrom $588Free CancellationRating
7.6
943 reviews
Search Austrian Airlines flights
LufthansaPriceFrom $589Free CancellationRating
6.8
8,131 reviews
Search Lufthansa flights
British AirwaysPriceFrom $609Free CancellationRating
6.7
8,105 reviews
Search British Airways flights
KLMPriceFrom $614Free CancellationRating
7.8
1,537 reviews
Search KLM flights
Air SerbiaPriceFrom $703Free CancellationRating
6.1
231 reviews
Search Air Serbia 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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