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Cheap flights from Bulgaria to Chicago from $374

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 9/21. 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
6:45 pm - 7:50 pm
SOF
-
ORD
33h 05m
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
6:45 pm - 3:10 pm
SOF
-
ORD
28h 25m
1 stop
LOT Logo
5:10 pm - 1:55 am
ORD
-
SOF
24h 45m
1 stop
$720LOT
Wed, Sep 9 - Wed, Sep 30
LOT Logo
2:35 pm - 7:50 pm
SOF
-
ORD
13h 15m
1 stop
LOT Logo
9:50 pm - 6:00 pm
ORD
-
SOF
12h 10m
1 stop
$730LOT
Tue, Sep 22 - Tue, Oct 13
LOT Logo
2:35 pm - 7:50 pm
SOF
-
ORD
13h 15m
1 stop
LOT Logo
9:50 pm - 1:55 am
ORD
-
SOF
20h 05m
1 stop
$739LOT
Tue, Sep 22 - Thu, Oct 15
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
$747LOT
Thu, Sep 17 - Sat, Oct 3
LOT Logo
5:25 am - 7:50 pm
SOF
-
ORD
22h 25m
1 stop
LOT Logo
5:10 pm - 1:55 pm
ORD
-
SOF
12h 45m
1 stop
$754LOT
Wed, Sep 23 - Fri, Oct 16
Multiple Airlines Logo
1:35 pm - 1:20 pm
VAR
-
ORD
31h 45m
1 stop
Multiple Airlines Logo
4:30 pm - 8:10 pm
ORD
-
VAR
43h 40m
2 stops
$846Multiple Airlines
Sun, Jul 5 - Sun, Jul 12
Lufthansa Logo
9:40 am - 11:00 am
VAR
-
ORD
33h 20m
1 stop
Lufthansa Logo
3:35 pm - 11:30 am
ORD
-
VAR
11h 55m
1 stop
$868Lufthansa
Sun, Jul 5 - Sun, Jul 12
Lufthansa Logo
9:40 am - 11:00 am
VAR
-
ORD
33h 20m
1 stop
Lufthansa Logo
3:35 pm - 11:30 am
ORD
-
VAR
11h 55m
1 stop
$870Lufthansa
Sun, Jul 5 - Sun, Jul 12
Lufthansa Logo
1:35 pm - 12:55 pm
VAR
-
ORD
31h 20m
2 stops
Lufthansa Logo
3:35 pm - 11:30 am
ORD
-
VAR
11h 55m
1 stop
$878Lufthansa
Sun, Jul 5 - Sun, Jul 12

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
Sep 23
SOF7:00 amSofia
17h 45m
2 stops
ORD4:45 pmChicago O'Hare Intl
Oct 17
ORD1:35 pmChicago O'Hare Intl
16h 25m
2 stops
SOF2:00 pmSofia
$815
KLM
Sep 17
SOF7:00 amSofia
17h 14m
2 stops
ORD4:14 pmChicago O'Hare Intl
Oct 3
ORD1:55 pmChicago O'Hare Intl
16h 05m
2 stops
SOF2:00 pmSofia
$817
KLM
Jun 6
SOF7:00 amSofia
17h 29m
2 stops
ORD4:29 pmChicago O'Hare Intl
Jul 10
ORD12:27 pmChicago O'Hare Intl
17h 33m
2 stops
SOF2:00 pmSofia
$927

Lufthansa flights from Bulgaria to Chicago O'Hare Intl Airport

Our best Lufthansa deals on Bulgaria to Chicago O'Hare Intl Airport flight tickets
Lufthansa
Jun 6
SOF6:20 amSofia
16h 35m
1 stop
ORD2:55 pmChicago O'Hare Intl
Jun 20
ORD10:30 pmChicago O'Hare Intl
16h 20m
1 stop
SOF10:50 pmSofia
$837
Lufthansa
Jul 24
SOF2:10 pmSofia
13h 45m
1 stop
ORD7:55 pmChicago O'Hare Intl
Aug 25
ORD9:40 pmChicago O'Hare Intl
13h 00m
1 stop
SOF6:40 pmSofia
$840
Lufthansa
Jun 17
SOF1:50 pmSofia
14h 05m
1 stop
ORD7:55 pmChicago O'Hare Intl
Jul 23
ORD3:35 pmChicago O'Hare Intl
12h 35m
1 stop
SOF12:10 pmSofia
$844

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 May 29, 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

6:45 pm-7:50 pm

1 stop33h 05m

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

6:45 pm-3:10 pm

1 stop28h 25m

Chicago O'Hare Intl

Wed 9/30

5:10 pm-1:55 am

1 stop24h 45m

$720
Quickest round-trip

SofiaChicago

SOF - ORD

SOFORD

Sofia

Tue 9/22

2:35 pm-7:50 pm

1 stop13h 15m

Chicago O'Hare Intl

Tue 10/13

9:50 pm-6:00 pm

1 stop12h 10m

$730

SofiaChicago

SOF - ORD

SOFORD

Sofia

Tue 9/22

2:35 pm-7:50 pm

1 stop13h 15m

Chicago O'Hare Intl

Thu 10/15

9:50 pm-1:55 am

1 stop20h 05m

$739

SofiaChicago

SOF - ORD

SOFORD

Sofia

Thu 9/17

5:25 am-7:50 pm

1 stop22h 25m

Chicago O'Hare Intl

Sat 10/3

9:50 pm-6:00 pm

1 stop12h 10m

$747

SofiaChicago

SOF - ORD

SOFORD

Sofia

Wed 9/23

5:25 am-7:50 pm

1 stop22h 25m

Chicago O'Hare Intl

Fri 10/16

5:10 pm-1:55 pm

1 stop12h 45m

$754

VarnaChicago

VAR - ORD

VARORD

Varna

Sun 7/5

1:35 pm-1:20 pm

1 stop31h 45m

Chicago O'Hare Intl

Sun 7/12

4:30 pm-8:10 pm

2 stops43h 40m

$846

VarnaChicago

VAR - ORD

VARORD

Varna

Sun 7/5

9:40 am-11:00 am

1 stop33h 20m

Chicago O'Hare Intl

Sun 7/12

3:35 pm-11:30 am

1 stop11h 55m

$868

VarnaChicago

VAR - ORD

VARORD

Varna

Sun 7/5

9:40 am-11:00 am

1 stop33h 20m

Chicago O'Hare Intl

Sun 7/12

3:35 pm-11:30 am

1 stop11h 55m

$870

VarnaChicago

VAR - ORD

VARORD

Varna

Sun 7/5

1:35 pm-12:55 pm

2 stops31h 20m

Chicago O'Hare Intl

Sun 7/12

3:35 pm-11:30 am

1 stop11h 55m

$878

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 May is another great option to travel to Chicago O'Hare Intl Airport, with average flight prices from Bulgaria averaging around $466.

How far in advance should I book a flight from Bulgaria 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 $777 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 $717 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

13h 20m

Direct flights

None
The fastest flight from Bulgaria to Chicago O'Hare Intl Airport takes 13h 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
7.4
4,398 reviews
Search Turkish Airlines flights
LOTPriceFrom $629Free CancellationRating
7.5
1,197 reviews
Search LOT flights
KLMPriceFrom $652Free CancellationRating
7.8
1,524 reviews
Search KLM flights
Austrian AirlinesPriceFrom $658Free CancellationRating
7.6
922 reviews
Search Austrian Airlines flights
United AirlinesPriceFrom $685Free CancellationRating
7.4
9,766 reviews
Search United Airlines flights
LufthansaPriceFrom $710Free CancellationRating
6.8
8,035 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
South Haven
Schaumburg
Rockford
Merrillville
Gurnee
Rosemont
Naperville
Orland Park
New Buffalo
Oak Brook
Kenosha
Joliet
Aurora
Racine
Janesville
Hammond
Evanston
Tinley Park
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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