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Cheap flights from Bulgaria to Chicago from $352

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 5/23. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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
2:25 pm - 2:55 pm
SOF
-
ORD
32h 30m1 stop
Multiple Airlines Logo
12:05 pm - 7:30 pm
ORD
-
SOF
24h 25m2 stops
$674Multiple Airlines
Wed, Feb 25 - Wed, Mar 25
LOT Logo
6:35 pm - 8:00 pm
SOF
-
ORD
33h 25m1 stop
LOT Logo
9:50 pm - 6:00 pm
ORD
-
SOF
12h 10m1 stop
$676LOT
Wed, Jan 14 - Sun, Oct 18
LOT Logo
6:45 pm - 3:10 pm
SOF
-
ORD
28h 25m2 stops
LOT Logo
9:50 pm - 6:00 pm
ORD
-
SOF
12h 10m1 stop
$681LOT
Thu, May 14 - Sat, Aug 15
Multiple Airlines Logo
7:00 am - 2:20 pm
SOF
-
ORD
15h 20m1 stop
Multiple Airlines Logo
5:20 pm - 1:55 pm
ORD
-
SOF
12h 35m1 stop
$687Multiple Airlines
Fri, Jan 16 - Sun, Jan 25
KLM Logo
7:00 am - 2:20 pm
SOF
-
ORD
15h 20m1 stop
KLM Logo
2:11 pm - 2:05 pm
ORD
-
SOF
15h 54m2 stops
$697KLM
Sat, Feb 14 - Sun, Mar 1
Lufthansa Logo
4:00 pm - 11:10 am
VAR
-
ORD
27h 10m2 stops
Lufthansa Logo
6:25 pm - 4:55 pm
ORD
-
VAR
14h 30m1 stop
$744Lufthansa
Sat, Feb 14 - Sat, Feb 21
Austrian Airlines Logo
4:00 pm - 6:37 pm
VAR
-
ORD
34h 37m2 stops
Austrian Airlines Logo
1:02 pm - 3:15 pm
ORD
-
VAR
18h 13m2 stops
$771Austrian Airlines
Thu, Feb 5 - Thu, Feb 12
Austrian Airlines Logo
4:00 pm - 12:45 pm
VAR
-
ORD
28h 45m2 stops
Austrian Airlines Logo
4:10 pm - 3:15 pm
ORD
-
VAR
15h 05m2 stops
$807Austrian Airlines
Thu, Jan 15 - Thu, Jan 22
Turkish Airlines Logo
9:25 pm - 6:25 pm
VAR
-
ORD
29h 00m1 stop
Turkish Airlines Logo
11:50 am - 9:10 am
ORD
-
VAR
13h 20m1 stop
$858Turkish Airlines
Thu, Jan 15 - Thu, Jan 22
Turkish Airlines Logo
9:25 pm - 6:25 pm
VAR
-
ORD
29h 00m1 stop
Turkish Airlines Logo
11:50 am - 9:10 am
ORD
-
VAR
13h 20m1 stop
$859Turkish Airlines
Thu, Feb 5 - Thu, Feb 12

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
Jan 14
SOF6:35 pmSofia
33h 25m
1 stop
ORD8:00 pmChicago O'Hare Intl
Oct 18
ORD9:50 pmChicago O'Hare Intl
12h 10m
1 stop
SOF6:00 pmSofia
$676
Find similar
LOT
May 14
SOF6:45 pmSofia
28h 25m
2 stops
ORD3:10 pmChicago O'Hare Intl
Aug 15
ORD9:50 pmChicago O'Hare Intl
12h 10m
1 stop
SOF6:00 pmSofia
$681
Find similar
LOT
May 18
SOF5:25 amSofia
22h 25m
2 stops
ORD7:50 pmChicago O'Hare Intl
Aug 17
ORD9:50 pmChicago O'Hare Intl
20h 05m
1 stop
SOF1:55 amSofia
$694
Find similar

British Airways flights from Bulgaria to Chicago O'Hare Intl Airport

Our best British Airways deals on Bulgaria to Chicago O'Hare Intl Airport flight tickets
British Airways
Feb 25
SOF9:00 pmSofia
28h 38m
2 stops
ORD5:38 pmChicago O'Hare Intl
Mar 25
ORD8:50 pmChicago O'Hare Intl
55h 25m
2 stops
SOF11:15 amSofia
$692
Find similar
British Airways
May 15
SOF2:20 pmSofia
59h 16m
2 stops
ORD5:36 pmChicago O'Hare Intl
Aug 13
ORD5:00 pmChicago O'Hare Intl
12h 30m
1 stop
SOF1:30 pmSofia
$765
Find similar
British Airways
Jan 17
SOF12:05 pmSofia
33h 45m
1 stop
ORD1:50 pmChicago O'Hare Intl
Oct 17
ORD9:15 pmChicago O'Hare Intl
15h 05m
1 stop
SOF8:20 pmSofia
$780
Find similar

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 December 21, 2025.
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

Wed 2/25

2:25 pm-2:55 pm

1 stop32h 30m

Chicago O'Hare Intl

Wed 3/25

12:05 pm-7:30 pm

2 stops24h 25m

$674

SofiaChicago

SOF - ORD

SOFORD

Sofia

Wed 1/14

6:35 pm-8:00 pm

1 stop33h 25m

Chicago O'Hare Intl

Sun 10/18

9:50 pm-6:00 pm

1 stop12h 10m

$676

SofiaChicago

SOF - ORD

SOFORD

Sofia

Thu 5/14

6:45 pm-3:10 pm

2 stops28h 25m

Chicago O'Hare Intl

Sat 8/15

9:50 pm-6:00 pm

1 stop12h 10m

$681

SofiaChicago

SOF - ORD

SOFORD

Sofia

Fri 1/16

7:00 am-2:20 pm

1 stop15h 20m

Chicago O'Hare Intl

Sun 1/25

5:20 pm-1:55 pm

1 stop12h 35m

$687

SofiaChicago

SOF - ORD

SOFORD

Sofia

Sat 2/14

7:00 am-2:20 pm

1 stop15h 20m

Chicago O'Hare Intl

Sun 3/1

2:11 pm-2:05 pm

2 stops15h 54m

$697

VarnaChicago

VAR - ORD

VARORD

Varna

Sat 2/14

4:00 pm-11:10 am

2 stops27h 10m

Chicago O'Hare Intl

Sat 2/21

6:25 pm-4:55 pm

1 stop14h 30m

$744

VarnaChicago

VAR - ORD

VARORD

Varna

Thu 2/5

4:00 pm-6:37 pm

2 stops34h 37m

Chicago O'Hare Intl

Thu 2/12

1:02 pm-3:15 pm

2 stops18h 13m

$771

VarnaChicago

VAR - ORD

VARORD

Varna

Thu 1/15

4:00 pm-12:45 pm

2 stops28h 45m

Chicago O'Hare Intl

Thu 1/22

4:10 pm-3:15 pm

2 stops15h 05m

$807

VarnaChicago

VAR - ORD

VARORD

Varna

Thu 1/15

9:25 pm-6:25 pm

1 stop29h 00m

Chicago O'Hare Intl

Thu 1/22

11:50 am-9:10 am

1 stop13h 20m

$858

VarnaChicago

VAR - ORD

VARORD

Varna

Thu 2/5

9:25 pm-6:25 pm

1 stop29h 00m

Chicago O'Hare Intl

Thu 2/12

11:50 am-9:10 am

1 stop13h 20m

$859

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 $688.

What is the cheapest day to depart on your flight to Chicago O'Hare Intl Airport?

The cheapest day to depart on your flight to Chicago O'Hare Intl Airport is on a Wednesday when prices can be found for as low as $685. This is often the case because there is less demand to fly during this day of the week. On the other hand, Monday is the most expensive day to depart from Bulgaria because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $778.

What is the cheapest time of day to depart on your flight to Chicago O'Hare Intl Airport?

Flying to Chicago O'Hare Intl Airport from Bulgaria at noon is the least expensive time of day to depart. momondo users have found prices as low as $657 when looking at flights departing at noon. Try not to purchase tickets in the morning because they tend to be around $779. Of course, these prices can vary depending on the time of year and what airport you fly to.

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 $724 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 $631 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

14h 40m

Direct flights

None
The fastest flight from Bulgaria to Chicago O'Hare Intl Airport takes 14h 40m
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 $532Free CancellationRating
7.5
1,153 reviews
Search LOT flights
British AirwaysPriceFrom $546Free CancellationRating
6.7
7,602 reviews
Search British Airways flights
Turkish AirlinesPriceFrom $601Free CancellationRating
7.3
4,106 reviews
Search Turkish Airlines flights
KLMPriceFrom $607Free CancellationRating
7.7
1,431 reviews
Search KLM flights
LufthansaPriceFrom $642Free CancellationRating
6.8
7,643 reviews
Search Lufthansa flights
United AirlinesPriceFrom $643Free CancellationRating
7.4
9,102 reviews
Search United Airlines flights
Austrian AirlinesPriceFrom $647Free CancellationRating
7.6
880 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
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Naperville
Rosemont
Kenosha
New Buffalo
Joliet
Oak Brook
Orland Park
Racine
Hammond
Janesville
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Aurora
Elgin
Benton Harbor

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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