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Cheap flights from Chicago O'Hare Intl Airport to Bulgaria from $275

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 3/2. 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 O'Hare Intl Airport to Bulgaria

Cheap round-trip flights

Enter your travel dates to find the best prices.
Turkish Airlines Logo
9:20 pm - 9:10 am
ORD
-
VAR
28h 50m
1 stop
Turkish Airlines Logo
10:00 am - 11:05 am
VAR
-
ORD
32h 05m
1 stop
$516Turkish Airlines
Wed, Mar 11 - Wed, Mar 18
Turkish Airlines Logo
8:20 pm - 8:50 pm
ORD
-
SOF
16h 30m
1 stop
Turkish Airlines Logo
4:00 pm - 10:05 am
SOF
-
ORD
26h 05m
1 stop
$516Turkish Airlines
Wed, Feb 25 - Mon, Mar 2
Turkish Airlines Logo
8:20 pm - 3:10 pm
ORD
-
SOF
34h 50m
1 stop
Turkish Airlines Logo
9:40 pm - 11:05 am
SOF
-
ORD
20h 25m
1 stop
$520Turkish Airlines
Sat, Feb 21 - Mon, Mar 9
Multiple Airlines Logo
8:40 pm - 1:35 pm
ORD
-
SOF
32h 55m
2 stops
Multiple Airlines Logo
3:00 pm - 5:20 pm
SOF
-
ORD
33h 20m
1 stop
$535Multiple Airlines
Sat, Feb 21 - Mon, Mar 9
Multiple Airlines Logo
3:55 pm - 5:15 pm
ORD
-
VAR
18h 20m
2 stops
Multiple Airlines Logo
4:00 pm - 9:05 pm
VAR
-
ORD
36h 05m
2 stops
$643Multiple Airlines
Wed, Mar 11 - Wed, Mar 18
Austrian Airlines Logo
5:20 pm - 3:15 pm
ORD
-
VAR
14h 55m
1 stop
Austrian Airlines Logo
4:00 pm - 6:51 pm
VAR
-
ORD
33h 51m
2 stops
$658Austrian Airlines
Wed, Mar 11 - Wed, Mar 18
Lufthansa Logo
3:35 pm - 12:45 pm
ORD
-
VAR
37h 10m
2 stops
Lufthansa Logo
1:35 pm - 12:30 pm
VAR
-
ORD
30h 55m
2 stops
$851Lufthansa
Fri, Jul 24 - Sun, Aug 23
Aer Lingus Logo
5:20 pm - 10:35 pm
ORD
-
BOJ
21h 15m
2 stops
Aer Lingus Logo
11:25 pm - 2:00 pm
BOJ
-
ORD
22h 35m
1 stop
$967Aer Lingus
Wed, Jul 15 - Thu, Aug 13
Aer Lingus Logo
3:34 pm - 10:35 pm
ORD
-
BOJ
23h 01m
2 stops
Aer Lingus Logo
11:25 pm - 2:00 pm
BOJ
-
ORD
22h 35m
1 stop
$968Aer Lingus
Wed, Jul 15 - Thu, Aug 13
Lufthansa Logo
3:35 pm - 6:15 pm
ORD
-
BOJ
18h 40m
2 stops
Lufthansa Logo
12:35 pm - 12:30 pm
BOJ
-
ORD
31h 55m
1 stop
$981Lufthansa
Mon, Jul 13 - Wed, Aug 12

Lufthansa flights from Chicago O'Hare Intl Airport to Bulgaria

Our best Lufthansa deals on Chicago O'Hare Intl Airport to Bulgaria flight tickets
Lufthansa
Mar 4
ORD2:00 pmChicago O'Hare Intl
14h 10m
2 stops
SOF12:10 pmSofia
Mar 9
SOF2:10 pmSofia
12h 45m
1 stop
ORD7:55 pmChicago O'Hare Intl
$549
Lufthansa
Feb 25
ORD10:35 pmChicago O'Hare Intl
16h 10m
2 stops
SOF10:45 pmSofia
Mar 4
SOF6:10 amSofia
15h 15m
1 stop
ORD1:25 pmChicago O'Hare Intl
$568
Lufthansa
Feb 8
ORD9:50 pmChicago O'Hare Intl
12h 30m
1 stop
SOF6:20 pmSofia
Feb 23
SOF7:05 pmSofia
31h 20m
1 stop
ORD6:25 pmChicago O'Hare Intl
$583

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
Feb 28
ORD11:50 amChicago O'Hare Intl
12h 55m
1 stop
SOF8:45 amSofia
Mar 8
SOF4:00 pmSofia
34h 25m
1 stop
ORD7:25 pmChicago O'Hare Intl
$516
Turkish Airlines
Feb 21
ORD8:20 pmChicago O'Hare Intl
34h 50m
1 stop
SOF3:10 pmSofia
Mar 9
SOF9:40 pmSofia
20h 25m
1 stop
ORD11:05 amChicago O'Hare Intl
$520
Turkish Airlines
Mar 9
ORD9:20 pmChicago O'Hare Intl
28h 25m
1 stop
SOF8:45 amSofia
Mar 16
SOF9:40 pmSofia
20h 25m
1 stop
ORD11:05 amChicago O'Hare Intl
$521

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 January 26, 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

ChicagoVarna

ORD - VAR

ORDVAR

Chicago O'Hare Intl

Wed 3/11

9:20 pm-9:10 am

1 stop28h 50m

Varna

Wed 3/18

10:00 am-11:05 am

1 stop32h 05m

$516

ChicagoSofia

ORD - SOF

ORDSOF

Chicago O'Hare Intl

Wed 2/25

8:20 pm-8:50 pm

1 stop16h 30m

Sofia

Mon 3/2

4:00 pm-10:05 am

1 stop26h 05m

$516

ChicagoSofia

ORD - SOF

ORDSOF

Chicago O'Hare Intl

Sat 2/21

8:20 pm-3:10 pm

1 stop34h 50m

Sofia

Mon 3/9

9:40 pm-11:05 am

1 stop20h 25m

$520

ChicagoSofia

ORD - SOF

ORDSOF

Chicago O'Hare Intl

Sat 2/21

8:40 pm-1:35 pm

2 stops32h 55m

Sofia

Mon 3/9

3:00 pm-5:20 pm

1 stop33h 20m

$535

ChicagoVarna

ORD - VAR

ORDVAR

Chicago O'Hare Intl

Wed 3/11

3:55 pm-5:15 pm

2 stops18h 20m

Varna

Wed 3/18

4:00 pm-9:05 pm

2 stops36h 05m

$643

ChicagoVarna

ORD - VAR

ORDVAR

Chicago O'Hare Intl

Wed 3/11

5:20 pm-3:15 pm

1 stop14h 55m

Varna

Wed 3/18

4:00 pm-6:51 pm

2 stops33h 51m

$658

ChicagoVarna

ORD - VAR

ORDVAR

Chicago O'Hare Intl

Fri 7/24

3:35 pm-12:45 pm

2 stops37h 10m

Varna

Sun 8/23

1:35 pm-12:30 pm

2 stops30h 55m

$851

ChicagoBurgas

ORD - BOJ

ORDBOJ

Chicago O'Hare Intl

Wed 7/15

5:20 pm-10:35 pm

2 stops21h 15m

Bourgas

Thu 8/13

11:25 pm-2:00 pm

1 stop22h 35m

$967

ChicagoBurgas

ORD - BOJ

ORDBOJ

Chicago O'Hare Intl

Wed 7/15

3:34 pm-10:35 pm

2 stops23h 01m

Bourgas

Thu 8/13

11:25 pm-2:00 pm

1 stop22h 35m

$968

ChicagoBurgas

ORD - BOJ

ORDBOJ

Chicago O'Hare Intl

Mon 7/13

3:35 pm-6:15 pm

2 stops18h 40m

Bourgas

Wed 8/12

12:35 pm-12:30 pm

1 stop31h 55m

$981

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 January, then flying in October is also cheap. Prices for this month can be found on momondo for an average of $634.

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 $748 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 $711 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
Turkish AirlinesPriceFrom $519Free CancellationRating
7.3
4,208 reviews
Search Turkish Airlines flights
KLMPriceFrom $533Free CancellationRating
7.7
1,442 reviews
Search KLM flights
United AirlinesPriceFrom $568Free CancellationRating
7.4
9,198 reviews
Search United Airlines flights
Air FrancePriceFrom $585Free CancellationRating
7.4
1,525 reviews
Search Air France flights
LufthansaPriceFrom $587Free CancellationRating
6.8
7,747 reviews
Search Lufthansa flights
LOTPriceFrom $593Free CancellationRating
7.5
1,176 reviews
Search LOT flights
SWISSPriceFrom $593Free CancellationRating
7.6
1,861 reviews
Search SWISS flights
Austrian AirlinesPriceFrom $606Free CancellationRating
7.6
894 reviews
Search Austrian Airlines flights
British AirwaysPriceFrom $611Free CancellationRating
6.7
7,700 reviews
Search British Airways flights
Air SerbiaPriceFrom $652Free CancellationRating
6.2
215 reviews
Search Air Serbia 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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