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Cheap flights from Chicago O'Hare Intl Airport to Bulgaria from $279

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 O'Hare Intl Airport 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
1 adult, Economy, 0 bags

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Find the cheapest flights from Chicago O'Hare Intl Airport to Bulgaria

Cheap round-trip flights

Enter your travel dates to find the best prices.
Turkish Airlines Logo
11:25 am - 8:45 am
ORD
-
VAR
13h 20m
1 stop
Turkish Airlines Logo
3:45 am - 9:40 am
VAR
-
ORD
13h 55m
1 stop
$564Turkish Airlines
Tue, Apr 28 - Mon, May 4
Turkish Airlines Logo
11:25 am - 8:45 am
ORD
-
SOF
13h 20m
1 stop
Turkish Airlines Logo
9:35 am - 9:40 am
SOF
-
ORD
32h 05m
1 stop
$571Turkish Airlines
Thu, Sep 10 - Thu, Sep 24
Turkish Airlines Logo
8:10 pm - 8:45 am
ORD
-
SOF
28h 35m
1 stop
Turkish Airlines Logo
9:35 am - 6:15 pm
SOF
-
ORD
16h 40m
1 stop
$572Turkish Airlines
Sun, Sep 6 - Tue, Sep 22
Turkish Airlines Logo
8:10 pm - 8:15 pm
ORD
-
SOF
16h 05m
1 stop
Turkish Airlines Logo
3:50 pm - 9:40 am
SOF
-
ORD
25h 50m
1 stop
$573Turkish Airlines
Wed, Apr 15 - Wed, Apr 29
Turkish Airlines Logo
8:10 pm - 8:15 pm
ORD
-
SOF
16h 05m
1 stop
Turkish Airlines Logo
9:05 pm - 9:40 am
SOF
-
ORD
20h 35m
1 stop
$575Turkish Airlines
Sun, Apr 5 - Tue, Sep 15
Turkish Airlines Logo
11:25 am - 3:00 pm
ORD
-
SOF
19h 35m
1 stop
Turkish Airlines Logo
9:05 pm - 9:40 am
SOF
-
ORD
20h 35m
1 stop
$578Turkish Airlines
Mon, Apr 27 - Mon, May 11
Austrian Airlines Logo
12:57 pm - 12:20 pm
ORD
-
BOJ
15h 23m
2 stops
Austrian Airlines Logo
4:00 pm - 1:20 pm
BOJ
-
ORD
29h 20m
1 stop
$898Austrian Airlines
Thu, Aug 27 - Thu, Sep 17
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
$906Austrian Airlines
Thu, Aug 27 - Thu, Sep 17
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
$929Austrian Airlines
Thu, Aug 27 - Fri, Sep 18
Multiple Airlines Logo
4:20 pm - 12:20 pm
ORD
-
BOJ
12h 00m
1 stop
Multiple Airlines Logo
12:35 pm - 6:15 pm
BOJ
-
ORD
13h 40m
1 stop
$951Multiple Airlines
Sat, Aug 15 - Wed, Sep 9

Turkish Airlines flights from Chicago O'Hare Intl Airport to Bulgaria

Our best Turkish Airlines deals on Chicago O'Hare Intl Airport to Bulgaria flight tickets
Turkish Airlines
Apr 22
ORD11:25 amChicago O'Hare Intl
25h 55m
1 stop
VAR9:20 pmVarna
May 13
VAR9:35 amVarna
32h 05m
1 stop
ORD9:40 amChicago O'Hare Intl
$546
Turkish Airlines
Apr 28
ORD11:25 amChicago O'Hare Intl
13h 20m
1 stop
VAR8:45 amVarna
May 4
VAR3:45 amVarna
13h 55m
1 stop
ORD9:40 amChicago O'Hare Intl
$564
Turkish Airlines
Sep 10
ORD11:25 amChicago O'Hare Intl
13h 20m
1 stop
SOF8:45 amSofia
Sep 24
SOF9:35 amSofia
32h 05m
1 stop
ORD9:40 amChicago O'Hare Intl
$571

Air Serbia flights from Chicago O'Hare Intl Airport to Bulgaria

Our best Air Serbia deals on Chicago O'Hare Intl Airport to Bulgaria flight tickets
Air Serbia
Aug 26
ORD4:40 pmChicago O'Hare Intl
26h 20m
1 stop
SOF3:00 amSofia
Sep 13
SOF4:05 pmSofia
30h 25m
1 stop
ORD2:30 pmChicago O'Hare Intl
$598
Air Serbia
Aug 26
ORD4:40 pmChicago O'Hare Intl
26h 20m
1 stop
SOF3:00 amSofia
Sep 7
SOF5:00 amSofia
17h 30m
1 stop
ORD2:30 pmChicago O'Hare Intl
$615
Air Serbia
Aug 26
ORD4:40 pmChicago O'Hare Intl
26h 20m
1 stop
SOF3:00 amSofia
Sep 14
SOF5:00 amSofia
17h 30m
1 stop
ORD2:30 pmChicago O'Hare Intl
$628

momondo Fare Finder

 
Customize your flight search to find flights from Chicago O'Hare Intl Airport 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 18, 2026.
Use the filters below to find and compare flights from Chicago O'Hare Intl Airport 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 4/28

11:25 am-8:45 am

1 stop13h 20m

Varna

Mon 5/4

3:45 am-9:40 am

1 stop13h 55m

$564

ChicagoSofia

ORD - SOF

ORDSOF

Chicago O'Hare Intl

Thu 9/10

11:25 am-8:45 am

1 stop13h 20m

Sofia

Thu 9/24

9:35 am-9:40 am

1 stop32h 05m

$571

ChicagoSofia

ORD - SOF

ORDSOF

Chicago O'Hare Intl

Sun 9/6

8:10 pm-8:45 am

1 stop28h 35m

Sofia

Tue 9/22

9:35 am-6:15 pm

1 stop16h 40m

$572

ChicagoSofia

ORD - SOF

ORDSOF

Chicago O'Hare Intl

Wed 4/15

8:10 pm-8:15 pm

1 stop16h 05m

Sofia

Wed 4/29

3:50 pm-9:40 am

1 stop25h 50m

$573

ChicagoSofia

ORD - SOF

ORDSOF

Chicago O'Hare Intl

Sun 4/5

8:10 pm-8:15 pm

1 stop16h 05m

Sofia

Tue 9/15

9:05 pm-9:40 am

1 stop20h 35m

$575

ChicagoSofia

ORD - SOF

ORDSOF

Chicago O'Hare Intl

Mon 4/27

11:25 am-3:00 pm

1 stop19h 35m

Sofia

Mon 5/11

9:05 pm-9:40 am

1 stop20h 35m

$578

ChicagoBurgas

ORD - BOJ

ORDBOJ

Chicago O'Hare Intl

Thu 8/27

12:57 pm-12:20 pm

2 stops15h 23m

Bourgas

Thu 9/17

4:00 pm-1:20 pm

1 stop29h 20m

$898

ChicagoBurgas

ORD - BOJ

ORDBOJ

Chicago O'Hare Intl

Thu 8/27

4:20 pm-12:20 pm

1 stop12h 00m

Bourgas

Thu 9/17

4:00 pm-1:20 pm

1 stop29h 20m

$906

ChicagoBurgas

ORD - BOJ

ORDBOJ

Chicago O'Hare Intl

Thu 8/27

4:20 pm-12:20 pm

1 stop12h 00m

Bourgas

Fri 9/18

1:05 pm-5:00 pm

2 stops35h 55m

$929
Quickest round-trip

ChicagoBurgas

ORD - BOJ

ORDBOJ

Chicago O'Hare Intl

Sat 8/15

4:20 pm-12:20 pm

1 stop12h 00m

Bourgas

Wed 9/9

12:35 pm-6:15 pm

1 stop13h 40m

$951

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 O'Hare Intl Airport 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 January is also cheap. Prices for this month can be found on momondo for an average of $606.

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

You are more likely to see cheaper flights to Bulgaria from Chicago O'Hare Intl Airport 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 O'Hare Intl Airport for as low as $691 on momondo.

Cheap Chicago O'Hare Intl Airport to Bulgaria flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Chicago O'Hare Intl Airport to Bulgaria

Fastest flight time

12h 00m

Direct flights

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

  • When did momondo last update prices for flights from Chicago O'Hare Intl Airport to Bulgaria?

    Prices for flights from Chicago O'Hare Intl Airport to Bulgaria were last updated today.

  • How many operators does momondo search for flights from Chicago O'Hare Intl Airport to Bulgaria?

  • How old do you have to be to fly from Chicago O'Hare Intl Airport to Bulgaria?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Chicago O'Hare Intl Airport 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 O'Hare Intl Airport to Bulgaria

Compare and see reviews for airlines that fly from Chicago O'Hare Intl Airport to Bulgaria with momondo
Airline
Rating
Free Cancellation
Price
ITA AirwaysPriceFrom $469Free CancellationRating
6.7
1,171 reviews
Search ITA Airways flights
Turkish AirlinesPriceFrom $521Free CancellationRating
7.3
4,258 reviews
Search Turkish Airlines flights
KLMPriceFrom $533Free CancellationRating
7.8
1,471 reviews
Search KLM flights
SWISSPriceFrom $565Free CancellationRating
7.5
1,901 reviews
Search SWISS flights
United AirlinesPriceFrom $566Free CancellationRating
7.4
9,434 reviews
Search United Airlines flights
Austrian AirlinesPriceFrom $575Free CancellationRating
7.6
900 reviews
Search Austrian Airlines flights
LOTPriceFrom $585Free CancellationRating
7.5
1,184 reviews
Search LOT flights
Air FrancePriceFrom $585Free CancellationRating
7.4
1,546 reviews
Search Air France flights
LufthansaPriceFrom $585Free CancellationRating
6.8
7,858 reviews
Search Lufthansa flights
British AirwaysPriceFrom $609Free CancellationRating
6.7
7,802 reviews
Search British Airways flights

Why use momondo?

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

Finding the right flight to Bulgaria from Chicago 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 Bulgaria quick and easy, saving you time and money.

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

All flight searches from Chicago to Bulgaria on momondo can be filtered to show those which offer flexible booking policies.

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

momondo helps you find the best flight between Chicago and Bulgaria by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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

Of course. momondo tracks the price of Chicago to Bulgaria flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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