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Cheap flights from Chicago O'Hare Intl Airport 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 O'Hare Intl Airport to Bulgaria departing on 8/23. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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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
8:10 pm - 2:55 am
ORD
-
VAR
22h 45m
1 stop
Turkish Airlines Logo
9:20 am - 9:40 am
VAR
-
ORD
32h 20m
1 stop
$733Turkish Airlines
Thu, Oct 8 - Fri, Oct 23
Turkish Airlines Logo
8:10 pm - 2:55 am
ORD
-
VAR
22h 45m
1 stop
Turkish Airlines Logo
9:20 am - 9:40 am
VAR
-
ORD
32h 20m
1 stop
$749Turkish Airlines
Thu, Sep 17 - Fri, Oct 2
Turkish Airlines Logo
11:25 am - 2:55 am
ORD
-
VAR
31h 30m
1 stop
Turkish Airlines Logo
10:10 pm - 6:15 pm
VAR
-
ORD
28h 05m
1 stop
$788Turkish Airlines
Thu, Oct 1 - Sat, Oct 10
LOT Logo
5:10 pm - 1:50 pm
ORD
-
SOF
12h 40m
1 stop
LOT Logo
2:35 pm - 3:10 pm
SOF
-
ORD
32h 35m
1 stop
$853LOT
Mon, Aug 3 - Sat, Oct 3
United Airlines Logo
9:40 pm - 12:10 pm
ORD
-
SOF
30h 30m
2 stops
United Airlines Logo
6:10 am - 6:15 pm
SOF
-
ORD
20h 05m
1 stop
$854United Airlines
Sat, Aug 1 - Tue, Sep 8
Austrian Airlines Logo
12:55 pm - 6:10 pm
ORD
-
SOF
21h 15m
2 stops
Austrian Airlines Logo
8:00 am - 5:00 pm
SOF
-
ORD
17h 00m
2 stops
$855Austrian Airlines
Sun, Sep 6 - Tue, Sep 22
Lufthansa Logo
9:40 pm - 11:15 pm
ORD
-
SOF
17h 35m
1 stop
Lufthansa Logo
7:00 pm - 12:55 pm
SOF
-
ORD
25h 55m
1 stop
$856Lufthansa
Mon, Jul 27 - Wed, Aug 12
LOT Logo
5:10 pm - 1:55 am
ORD
-
SOF
24h 45m
2 stops
LOT Logo
5:25 am - 7:50 pm
SOF
-
ORD
22h 25m
1 stop
$858LOT
Thu, Aug 13 - Wed, Aug 26
Austrian Airlines Logo
4:20 pm - 3:15 pm
ORD
-
VAR
14h 55m
1 stop
Austrian Airlines Logo
4:00 pm - 1:20 pm
VAR
-
ORD
29h 20m
1 stop
$928Austrian Airlines
Mon, Sep 28 - Mon, Oct 12
Lufthansa Logo
10:30 pm - 11:45 am
ORD
-
BOJ
29h 15m
2 stops
Lufthansa Logo
9:50 am - 12:55 pm
BOJ
-
ORD
35h 05m
2 stops
$1,130Lufthansa
Mon, Aug 3 - Sun, Aug 9

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
Jul 27
ORD9:40 pmChicago O'Hare Intl
17h 35m
1 stop
SOF11:15 pmSofia
Aug 12
SOF7:00 pmSofia
25h 55m
1 stop
ORD12:55 pmChicago O'Hare Intl
$856
Lufthansa
Jul 28
ORD9:40 pmChicago O'Hare Intl
17h 35m
1 stop
SOF11:15 pmSofia
Aug 28
SOF6:10 amSofia
14h 25m
1 stop
ORD12:35 pmChicago O'Hare Intl
$862
Lufthansa
Jul 6
ORD9:40 pmChicago O'Hare Intl
17h 00m
2 stops
SOF10:40 pmSofia
Aug 20
SOF7:25 pmSofia
25h 10m
1 stop
ORD12:35 pmChicago O'Hare Intl
$887

LOT flights from Chicago O'Hare Intl Airport to Bulgaria

Our best LOT deals on Chicago O'Hare Intl Airport to Bulgaria flight tickets
LOT
Aug 3
ORD5:10 pmChicago O'Hare Intl
12h 40m
1 stop
SOF1:50 pmSofia
Oct 3
SOF2:35 pmSofia
32h 35m
1 stop
ORD3:10 pmChicago O'Hare Intl
$853
LOT
Aug 13
ORD5:10 pmChicago O'Hare Intl
24h 45m
2 stops
SOF1:55 amSofia
Aug 26
SOF5:25 amSofia
22h 25m
1 stop
ORD7:50 pmChicago O'Hare Intl
$858
LOT
Jul 30
ORD5:10 pmChicago O'Hare Intl
24h 45m
2 stops
SOF1:55 amSofia
Sep 18
SOF5:25 amSofia
22h 25m
1 stop
ORD7:50 pmChicago O'Hare Intl
$863

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 May 13, 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

Thu 10/8

8:10 pm-2:55 am

1 stop22h 45m

Varna

Fri 10/23

9:20 am-9:40 am

1 stop32h 20m

$733

ChicagoVarna

ORD - VAR

ORDVAR

Chicago O'Hare Intl

Thu 9/17

8:10 pm-2:55 am

1 stop22h 45m

Varna

Fri 10/2

9:20 am-9:40 am

1 stop32h 20m

$749

ChicagoVarna

ORD - VAR

ORDVAR

Chicago O'Hare Intl

Thu 10/1

11:25 am-2:55 am

1 stop31h 30m

Varna

Sat 10/10

10:10 pm-6:15 pm

1 stop28h 05m

$788

ChicagoSofia

ORD - SOF

ORDSOF

Chicago O'Hare Intl

Mon 8/3

5:10 pm-1:50 pm

1 stop12h 40m

Sofia

Sat 10/3

2:35 pm-3:10 pm

1 stop32h 35m

$853

ChicagoSofia

ORD - SOF

ORDSOF

Chicago O'Hare Intl

Sat 8/1

9:40 pm-12:10 pm

2 stops30h 30m

Sofia

Tue 9/8

6:10 am-6:15 pm

1 stop20h 05m

$854
Quickest round-trip

ChicagoSofia

ORD - SOF

ORDSOF

Chicago O'Hare Intl

Sun 9/6

12:55 pm-6:10 pm

2 stops21h 15m

Sofia

Tue 9/22

8:00 am-5:00 pm

2 stops17h 00m

$855

ChicagoSofia

ORD - SOF

ORDSOF

Chicago O'Hare Intl

Mon 7/27

9:40 pm-11:15 pm

1 stop17h 35m

Sofia

Wed 8/12

7:00 pm-12:55 pm

1 stop25h 55m

$856

ChicagoSofia

ORD - SOF

ORDSOF

Chicago O'Hare Intl

Thu 8/13

5:10 pm-1:55 am

2 stops24h 45m

Sofia

Wed 8/26

5:25 am-7:50 pm

1 stop22h 25m

$858

ChicagoVarna

ORD - VAR

ORDVAR

Chicago O'Hare Intl

Mon 9/28

4:20 pm-3:15 pm

1 stop14h 55m

Varna

Mon 10/12

4:00 pm-1:20 pm

1 stop29h 20m

$928

ChicagoBurgas

ORD - BOJ

ORDBOJ

Chicago O'Hare Intl

Mon 8/3

10:30 pm-11:45 am

2 stops29h 15m

Bourgas

Sun 8/9

9:50 am-12:55 pm

2 stops35h 05m

$1,130

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 October, then flying in July is also cheap. Prices for this month can be found on momondo for an average of $425.

How far in advance should I book a flight from Chicago O'Hare Intl Airport 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 $752 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 $706 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

11h 20m

Direct flights

None
The fastest flight from Chicago O'Hare Intl Airport to Bulgaria takes 11h 20m
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

Frequently asked questions about flying from Chicago O'Hare Intl Airport to Bulgaria

  • 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
KLMPriceFrom $425Free CancellationRating
7.8
1,517 reviews
Search KLM flights
ITA AirwaysPriceFrom $508Free CancellationRating
6.7
1,217 reviews
Search ITA Airways flights
Turkish AirlinesPriceFrom $521Free CancellationRating
7.4
4,366 reviews
Search Turkish Airlines flights
United AirlinesPriceFrom $561Free CancellationRating
7.4
9,711 reviews
Search United Airlines flights
SWISSPriceFrom $564Free CancellationRating
7.5
1,945 reviews
Search SWISS flights
LufthansaPriceFrom $580Free CancellationRating
6.8
8,000 reviews
Search Lufthansa flights
LOTPriceFrom $581Free CancellationRating
7.5
1,190 reviews
Search LOT flights
Air FrancePriceFrom $585Free CancellationRating
7.4
1,587 reviews
Search Air France flights
Austrian AirlinesPriceFrom $587Free CancellationRating
7.6
915 reviews
Search Austrian Airlines flights
British AirwaysPriceFrom $609Free CancellationRating
6.7
7,979 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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