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Cheap flights from Bulgaria to Chicago from $361

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Bulgaria to Chicago departing on 3/11. 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 Bulgaria to Chicago

Recent round-trip flight deals from Bulgaria to Chicago

Enter your travel dates to find the best prices.
Multiple Airlines Logo
7:00 am - 2:20 pm
SOF
-
ORD
15h 20m
1 stop
Multiple Airlines Logo
6:20 pm - 1:55 pm
ORD
-
SOF
12h 35m
1 stop
$647Multiple Airlines
pe, helmi 20 - su, maalis 8
KLM Logo
7:00 am - 2:20 pm
SOF
-
ORD
15h 20m
1 stop
KLM Logo
5:25 pm - 2:05 pm
ORD
-
SOF
13h 40m
1 stop
$650KLM
ma, maalis 2 - ke, maalis 18
Multiple Airlines Logo
7:00 am - 5:53 pm
SOF
-
ORD
18h 53m
2 stops
Multiple Airlines Logo
6:20 pm - 1:55 pm
ORD
-
SOF
12h 35m
1 stop
$657Multiple Airlines
pe, helmi 20 - su, maalis 8
LOT Logo
6:35 pm - 7:55 pm
SOF
-
ORD
33h 20m
2 stops
LOT Logo
10:55 pm - 1:50 pm
ORD
-
SOF
31h 55m
1 stop
$658LOT
su, helmi 22 - ti, maalis 10
KLM Logo
7:00 am - 5:53 pm
SOF
-
ORD
18h 53m
2 stops
KLM Logo
5:25 pm - 2:05 pm
ORD
-
SOF
13h 40m
1 stop
$661KLM
ma, maalis 2 - ke, maalis 18
LOT Logo
6:35 pm - 8:00 pm
SOF
-
ORD
33h 25m
1 stop
LOT Logo
10:55 pm - 5:50 pm
ORD
-
SOF
11h 55m
1 stop
$662LOT
to, helmi 19 - ma, maalis 16
KLM Logo
7:00 am - 5:53 pm
SOF
-
ORD
18h 53m
2 stops
KLM Logo
5:25 pm - 2:05 pm
ORD
-
SOF
13h 40m
1 stop
$663KLM
pe, helmi 20 - su, maalis 8
Turkish Airlines Logo
9:05 pm - 9:40 am
SOF
-
ORD
20h 35m
1 stop
Turkish Airlines Logo
8:10 pm - 8:15 pm
ORD
-
SOF
16h 05m
1 stop
$673Turkish Airlines
pe, huhti 24 - ke, huhti 29
Turkish Airlines Logo
10:00 am - 11:05 am
VAR
-
ORD
32h 05m
1 stop
Turkish Airlines Logo
8:10 pm - 8:45 am
ORD
-
VAR
28h 35m
1 stop
$693Turkish Airlines
su, maalis 22 - su, maalis 29
Lufthansa Logo
4:00 pm - 12:10 pm
VAR
-
ORD
27h 10m
2 stops
Lufthansa Logo
9:40 pm - 3:15 pm
ORD
-
VAR
33h 35m
2 stops
$841Lufthansa
su, maalis 22 - su, maalis 29

KLM flights from Bulgaria to Chicago O'Hare Intl Airport

Our best KLM deals on Bulgaria to Chicago O'Hare Intl Airport flight tickets
KLM
Mar 2
SOF7:00 amSofia
15h 20m
1 stop
ORD2:20 pmChicago O'Hare Intl
Mar 18
ORD5:25 pmChicago O'Hare Intl
13h 40m
1 stop
SOF2:05 pmSofia
$650
KLM
Mar 2
SOF7:00 amSofia
18h 53m
2 stops
ORD5:53 pmChicago O'Hare Intl
Mar 18
ORD5:25 pmChicago O'Hare Intl
13h 40m
1 stop
SOF2:05 pmSofia
$661
KLM
Feb 20
SOF7:00 amSofia
18h 53m
2 stops
ORD5:53 pmChicago O'Hare Intl
Mar 8
ORD5:25 pmChicago O'Hare Intl
13h 40m
1 stop
SOF2:05 pmSofia
$663

LOT flights from Bulgaria to Chicago O'Hare Intl Airport

Our best LOT deals on Bulgaria to Chicago O'Hare Intl Airport flight tickets
LOT
Feb 22
SOF6:35 pmSofia
33h 20m
2 stops
ORD7:55 pmChicago O'Hare Intl
Mar 10
ORD10:55 pmChicago O'Hare Intl
31h 55m
1 stop
SOF1:50 pmSofia
$658
LOT
Feb 19
SOF6:35 pmSofia
33h 25m
1 stop
ORD8:00 pmChicago O'Hare Intl
Mar 16
ORD10:55 pmChicago O'Hare Intl
11h 55m
1 stop
SOF5:50 pmSofia
$662
LOT
Feb 19
SOF6:35 pmSofia
33h 25m
1 stop
ORD8:00 pmChicago O'Hare Intl
Mar 9
ORD10:55 pmChicago O'Hare Intl
31h 55m
1 stop
SOF1:50 pmSofia
$674

momondo Fare Finder

 
Customize your flight search to find flights from Bulgaria to Chicago O'Hare Intl Airport 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 helmikuu 6, 2026.
Use the filters below to find and compare flights from Bulgaria to Chicago O'Hare Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

SofiaChicago

SOF - ORD

SOFORD

Sofia

pe 2/20

7:00 am-2:20 pm

1 stop15h 20m

Chicago O'Hare Intl

su 3/8

6:20 pm-1:55 pm

1 stop12h 35m

$647

SofiaChicago

SOF - ORD

SOFORD

Sofia

ma 3/2

7:00 am-2:20 pm

1 stop15h 20m

Chicago O'Hare Intl

ke 3/18

5:25 pm-2:05 pm

1 stop13h 40m

$650

SofiaChicago

SOF - ORD

SOFORD

Sofia

pe 2/20

7:00 am-5:53 pm

2 stops18h 53m

Chicago O'Hare Intl

su 3/8

6:20 pm-1:55 pm

1 stop12h 35m

$657

SofiaChicago

SOF - ORD

SOFORD

Sofia

su 2/22

6:35 pm-7:55 pm

2 stops33h 20m

Chicago O'Hare Intl

ti 3/10

10:55 pm-1:50 pm

1 stop31h 55m

$658

SofiaChicago

SOF - ORD

SOFORD

Sofia

ma 3/2

7:00 am-5:53 pm

2 stops18h 53m

Chicago O'Hare Intl

ke 3/18

5:25 pm-2:05 pm

1 stop13h 40m

$661

SofiaChicago

SOF - ORD

SOFORD

Sofia

to 2/19

6:35 pm-8:00 pm

1 stop33h 25m

Chicago O'Hare Intl

ma 3/16

10:55 pm-5:50 pm

1 stop11h 55m

$662

SofiaChicago

SOF - ORD

SOFORD

Sofia

pe 2/20

7:00 am-5:53 pm

2 stops18h 53m

Chicago O'Hare Intl

su 3/8

5:25 pm-2:05 pm

1 stop13h 40m

$663

SofiaChicago

SOF - ORD

SOFORD

Sofia

pe 4/24

9:05 pm-9:40 am

1 stop20h 35m

Chicago O'Hare Intl

ke 4/29

8:10 pm-8:15 pm

1 stop16h 05m

$673

VarnaChicago

VAR - ORD

VARORD

Varna

su 3/22

10:00 am-11:05 am

1 stop32h 05m

Chicago O'Hare Intl

su 3/29

8:10 pm-8:45 am

1 stop28h 35m

$693

VarnaChicago

VAR - ORD

VARORD

Varna

su 3/22

4:00 pm-12:10 pm

2 stops27h 10m

Chicago O'Hare Intl

su 3/29

9:40 pm-3:15 pm

2 stops33h 35m

$841

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 Chicago from

How to get the cheapest flight ticket from Bulgaria to Chicago O'Hare Intl Airport

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 Chicago O'Hare Intl Airport?

The month of November is another great option to travel to Chicago O'Hare Intl Airport, with average flight prices from Bulgaria averaging around $693.

How far in advance should I book a flight to Chicago O'Hare Intl Airport?

You are more likely to see cheaper flights to Chicago O'Hare Intl Airport from Bulgaria when booking weeks ahead of your departure date. In general, you can expect to find flights to Chicago O'Hare Intl Airport for around $732 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Chicago O'Hare Intl Airport from Bulgaria for as low as $620 on momondo.

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

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

Fastest flight time

15h 15m

Direct flights

None
The fastest flight from Bulgaria to Chicago O'Hare Intl Airport takes 15h 15m
There are no direct flights from Bulgaria to Chicago O'Hare Intl Airport. There are no popular flight routes from Bulgaria to Chicago O'Hare Intl Airport.
Search flight deals

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

    Prices for flights from Bulgaria to Chicago O'Hare Intl Airport are refreshed on a daily basis.

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

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

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Bulgaria to Chicago O'Hare Intl Airport.

  • What documentation or ID do you need to fly to Chicago O'Hare Intl Airport?

    The required travel and health documents for your Chicago O'Hare Intl Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Chicago O'Hare Intl Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Best airlines flying from Bulgaria to Chicago O'Hare Intl Airport

Compare and see reviews for airlines that fly from Bulgaria to Chicago O'Hare Intl Airport with momondo
Airline
Rating
Free Cancellation
Price
LOTPriceFrom $576Free CancellationRating
7.5
1,179 reviews
Search LOT flights
Turkish AirlinesPriceFrom $601Free CancellationRating
7.3
4,210 reviews
Search Turkish Airlines flights
KLMPriceFrom $621Free CancellationRating
7.7
1,449 reviews
Search KLM flights
United AirlinesPriceFrom $649Free CancellationRating
7.4
9,241 reviews
Search United Airlines flights
LufthansaPriceFrom $650Free CancellationRating
6.8
7,762 reviews
Search Lufthansa flights
Austrian AirlinesPriceFrom $658Free CancellationRating
7.5
896 reviews
Search Austrian Airlines flights

Traveling to a place near Chicago?

Book flights to Chicago if you plan to visit one of these locations
Lake Geneva
Schaumburg
South Haven
Rockford
Merrillville
Gurnee
Naperville
Rosemont
New Buffalo
Kenosha
Joliet
Oak Brook
Orland Park
Racine
Hammond
Janesville
Tinley Park
Elgin
Aurora
South Holland

Why use momondo?

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

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Chicago from Bulgaria.

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

Flights from Bulgaria to Chicago with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

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

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Bulgaria to Chicago.

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

If you are simply researching potential flights to Chicago, momondo offers a useful price alert feature which will track prices for flights to Chicago from Bulgaria and alert you when they change.

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