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Cheap flights from Bulgaria to Chicago from $378

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 4/28. 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.
LOT Logo
5:25 am - 7:50 pm
SOF
-
ORD
22h 25m
1 stop
LOT Logo
9:50 pm - 1:55 am
ORD
-
SOF
20h 05m
1 stop
$718LOT
Wed, Sep 9 - Wed, Sep 30
LOT Logo
5:25 am - 7:50 pm
SOF
-
ORD
22h 25m
1 stop
LOT Logo
9:50 pm - 1:55 am
ORD
-
SOF
20h 05m
1 stop
$725LOT
Wed, Sep 9 - Wed, Sep 30
LOT Logo
6:45 pm - 3:10 pm
SOF
-
ORD
28h 25m
1 stop
LOT Logo
9:50 pm - 6:00 pm
ORD
-
SOF
12h 10m
1 stop
$727LOT
Wed, Sep 9 - Mon, Sep 28
LOT Logo
5:25 am - 7:50 pm
SOF
-
ORD
22h 25m
1 stop
LOT Logo
9:50 pm - 6:00 pm
ORD
-
SOF
12h 10m
1 stop
$728LOT
Wed, Apr 29 - Wed, Sep 23
Turkish Airlines Logo
3:50 pm - 9:40 am
SOF
-
ORD
25h 50m
1 stop
Turkish Airlines Logo
11:25 am - 1:15 pm
ORD
-
SOF
17h 50m
1 stop
$739Turkish Airlines
Wed, Jul 8 - Thu, Aug 20
Turkish Airlines Logo
2:05 pm - 9:40 am
SOF
-
ORD
27h 35m
1 stop
Turkish Airlines Logo
8:10 pm - 8:45 am
ORD
-
SOF
28h 35m
1 stop
$744Turkish Airlines
Fri, May 15 - Fri, Jul 10
Multiple Airlines Logo
9:20 am - 2:50 pm
VAR
-
ORD
13h 30m
1 stop
Multiple Airlines Logo
4:20 pm - 3:15 pm
ORD
-
VAR
14h 55m
1 stop
$886Multiple Airlines
Sat, Apr 25 - Fri, May 1
Lufthansa Logo
9:20 am - 2:50 pm
VAR
-
ORD
13h 30m
1 stop
Lufthansa Logo
4:25 pm - 8:40 am
ORD
-
VAR
32h 15m
2 stops
$920Lufthansa
Sat, Apr 25 - Fri, May 1
Multiple Airlines Logo
9:20 am - 2:50 pm
VAR
-
ORD
13h 30m
1 stop
Multiple Airlines Logo
5:55 pm - 3:15 pm
ORD
-
VAR
13h 20m
2 stops
$989Multiple Airlines
Sat, Apr 25 - Fri, May 1
Air France Logo
8:30 am - 3:10 pm
VAR
-
ORD
38h 40m
2 stops
Air France Logo
5:04 pm - 3:30 pm
ORD
-
VAR
38h 26m
2 stops
$1,011Air France
Fri, Apr 24 - Tue, May 5

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
Sep 9
SOF5:25 amSofia
22h 25m
1 stop
ORD7:50 pmChicago O'Hare Intl
Sep 30
ORD9:50 pmChicago O'Hare Intl
20h 05m
1 stop
SOF1:55 amSofia
$718
LOT
Sep 9
SOF5:25 amSofia
22h 25m
1 stop
ORD7:50 pmChicago O'Hare Intl
Sep 30
ORD9:50 pmChicago O'Hare Intl
20h 05m
1 stop
SOF1:55 amSofia
$725
LOT
Sep 9
SOF6:45 pmSofia
28h 25m
1 stop
ORD3:10 pmChicago O'Hare Intl
Sep 28
ORD9:50 pmChicago O'Hare Intl
12h 10m
1 stop
SOF6:00 pmSofia
$727

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

Our best Air France deals on Bulgaria to Chicago O'Hare Intl Airport flight tickets
Air France
Apr 24
VAR8:30 amVarna
38h 40m
2 stops
ORD3:10 pmChicago O'Hare Intl
May 5
ORD5:04 pmChicago O'Hare Intl
38h 26m
2 stops
VAR3:30 pmVarna
$1,011
Air France
Apr 24
VAR8:30 amVarna
38h 40m
2 stops
ORD3:10 pmChicago O'Hare Intl
May 5
ORD5:53 pmChicago O'Hare Intl
37h 37m
2 stops
VAR3:30 pmVarna
$1,033
Air France
Apr 24
VAR10:15 pmVarna
24h 55m
2 stops
ORD3:10 pmChicago O'Hare Intl
May 5
ORD5:53 pmChicago O'Hare Intl
37h 37m
2 stops
VAR3:30 pmVarna
$1,037

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 April 14, 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

Cheapest round-trip

SofiaChicago

SOF - ORD

SOFORD

Sofia

Wed 9/9

5:25 am-7:50 pm

1 stop22h 25m

Chicago O'Hare Intl

Wed 9/30

9:50 pm-1:55 am

1 stop20h 05m

$718

SofiaChicago

SOF - ORD

SOFORD

Sofia

Wed 9/9

5:25 am-7:50 pm

1 stop22h 25m

Chicago O'Hare Intl

Wed 9/30

9:50 pm-1:55 am

1 stop20h 05m

$725

SofiaChicago

SOF - ORD

SOFORD

Sofia

Wed 9/9

6:45 pm-3:10 pm

1 stop28h 25m

Chicago O'Hare Intl

Mon 9/28

9:50 pm-6:00 pm

1 stop12h 10m

$727

SofiaChicago

SOF - ORD

SOFORD

Sofia

Wed 4/29

5:25 am-7:50 pm

1 stop22h 25m

Chicago O'Hare Intl

Wed 9/23

9:50 pm-6:00 pm

1 stop12h 10m

$728

SofiaChicago

SOF - ORD

SOFORD

Sofia

Wed 7/8

3:50 pm-9:40 am

1 stop25h 50m

Chicago O'Hare Intl

Thu 8/20

11:25 am-1:15 pm

1 stop17h 50m

$739

SofiaChicago

SOF - ORD

SOFORD

Sofia

Fri 5/15

2:05 pm-9:40 am

1 stop27h 35m

Chicago O'Hare Intl

Fri 7/10

8:10 pm-8:45 am

1 stop28h 35m

$744

VarnaChicago

VAR - ORD

VARORD

Varna

Sat 4/25

9:20 am-2:50 pm

1 stop13h 30m

Chicago O'Hare Intl

Fri 5/1

4:20 pm-3:15 pm

1 stop14h 55m

$886

VarnaChicago

VAR - ORD

VARORD

Varna

Sat 4/25

9:20 am-2:50 pm

1 stop13h 30m

Chicago O'Hare Intl

Fri 5/1

4:25 pm-8:40 am

2 stops32h 15m

$920
Quickest round-trip

VarnaChicago

VAR - ORD

VARORD

Varna

Sat 4/25

9:20 am-2:50 pm

1 stop13h 30m

Chicago O'Hare Intl

Fri 5/1

5:55 pm-3:15 pm

2 stops13h 20m

$989

VarnaChicago

VAR - ORD

VARORD

Varna

Fri 4/24

8:30 am-3:10 pm

2 stops38h 40m

Chicago O'Hare Intl

Tue 5/5

5:04 pm-3:30 pm

2 stops38h 26m

$1,011

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 July is another great option to travel to Chicago O'Hare Intl Airport, with average flight prices from Bulgaria averaging around $708.

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 $764 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 $710 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

16h 20m

Direct flights

None
The fastest flight from Bulgaria to Chicago O'Hare Intl Airport takes 16h 20m
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

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

  • 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
Turkish AirlinesPriceFrom $616Free CancellationRating
7.3
4,304 reviews
Search Turkish Airlines flights
LOTPriceFrom $618Free CancellationRating
7.5
1,188 reviews
Search LOT flights
KLMPriceFrom $631Free CancellationRating
7.8
1,499 reviews
Search KLM flights
Austrian AirlinesPriceFrom $654Free CancellationRating
7.6
904 reviews
Search Austrian Airlines flights
United AirlinesPriceFrom $683Free CancellationRating
7.4
9,581 reviews
Search United Airlines flights
LufthansaPriceFrom $710Free CancellationRating
6.8
7,921 reviews
Search Lufthansa 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
Rosemont
Naperville
New Buffalo
Orland Park
Oak Brook
Kenosha
Joliet
Aurora
Janesville
Racine
Hammond
Elgin
Tinley Park
Evanston

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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