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Cheap flights from Bulgaria to Chicago from $376

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 10/19. 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
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

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
5:15 pm - 4:00 pm
SOF
-
ORD
30h 45m
2 stops
Multiple Airlines Logo
7:25 pm - 12:40 am
ORD
-
SOF
21h 15m
2 stops
$796Multiple Airlines
Thu, Sep 10 - Wed, Sep 23
LOT Logo
6:45 pm - 3:05 pm
SOF
-
ORD
28h 20m
2 stops
LOT Logo
9:50 pm - 6:00 pm
ORD
-
SOF
12h 10m
1 stop
$800LOT
Wed, Aug 26 - Wed, Sep 16
LOT Logo
6:45 pm - 3:10 pm
SOF
-
ORD
52h 25m
2 stops
LOT Logo
9:50 pm - 1:50 pm
ORD
-
SOF
32h 00m
1 stop
$804LOT
Mon, Aug 31 - Wed, Nov 25
LOT Logo
6:45 pm - 3:05 pm
SOF
-
ORD
28h 20m
2 stops
LOT Logo
5:10 pm - 1:55 pm
ORD
-
SOF
36h 45m
2 stops
$810LOT
Wed, Aug 26 - Thu, Sep 17
Turkish Airlines Logo
4:00 pm - 6:20 pm
SOF
-
ORD
34h 20m
1 stop
Turkish Airlines Logo
11:45 am - 8:50 am
ORD
-
SOF
13h 05m
1 stop
$816Turkish Airlines
Sun, Dec 6 - Tue, Mar 2
Turkish Airlines Logo
4:00 pm - 6:20 pm
SOF
-
ORD
34h 20m
1 stop
Turkish Airlines Logo
12:45 pm - 3:10 pm
ORD
-
SOF
18h 25m
1 stop
$817Turkish Airlines
Sat, Dec 5 - Sun, Mar 7
Austrian Airlines Logo
11:05 am - 1:20 pm
VAR
-
ORD
34h 15m
1 stop
Austrian Airlines Logo
4:20 pm - 3:15 pm
ORD
-
VAR
14h 55m
1 stop
$843Austrian Airlines
Sun, Sep 13 - Sun, Sep 20
Austrian Airlines Logo
1:35 pm - 1:20 pm
VAR
-
ORD
31h 45m
1 stop
Austrian Airlines Logo
4:20 pm - 3:15 pm
ORD
-
VAR
14h 55m
1 stop
$845Austrian Airlines
Sun, Sep 13 - Sun, Sep 20
Lufthansa Logo
1:35 pm - 12:55 pm
VAR
-
ORD
31h 20m
2 stops
Lufthansa Logo
4:05 pm - 7:35 pm
ORD
-
VAR
19h 30m
1 stop
$871Lufthansa
Sun, Sep 13 - Sun, Sep 20
Lufthansa Logo
9:30 pm - 12:00 pm
VAR
-
ORD
22h 30m
2 stops
Lufthansa Logo
3:35 pm - 11:30 am
ORD
-
VAR
11h 55m
1 stop
$883Lufthansa
Wed, Aug 5 - Sun, Sep 6

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SWISS flights from Bulgaria to Chicago O'Hare Intl Airport

Our best SWISS deals on Bulgaria to Chicago O'Hare Intl Airport flight tickets
SWISS
Aug 17
SOF3:40 pmSofia
28h 55m
1 stop
ORD12:35 pmChicago O'Hare Intl
Jun 1
ORD9:40 pmChicago O'Hare Intl
28h 40m
2 stops
SOF10:20 amSofia
$868
SWISS
Jul 28
VAR9:10 pmVarna
23h 25m
1 stop
ORD12:35 pmChicago O'Hare Intl
Aug 31
ORD2:20 pmChicago O'Hare Intl
21h 50m
1 stop
VAR8:10 pmVarna
$895
SWISS
Jul 28
VAR9:10 pmVarna
24h 35m
2 stops
ORD1:45 pmChicago O'Hare Intl
Aug 31
ORD2:20 pmChicago O'Hare Intl
21h 50m
1 stop
VAR8:10 pmVarna
$906

United Airlines flights from Bulgaria to Chicago O'Hare Intl Airport

Our best United Airlines deals on Bulgaria to Chicago O'Hare Intl Airport flight tickets
United Airlines
Sep 10
SOF6:30 amSofia
14h 25m
1 stop
ORD12:55 pmChicago O'Hare Intl
Sep 23
ORD10:30 pmChicago O'Hare Intl
16h 20m
1 stop
SOF10:50 pmSofia
$841
United Airlines
Sep 10
SOF6:30 amSofia
14h 25m
1 stop
ORD12:55 pmChicago O'Hare Intl
Sep 23
ORD10:30 pmChicago O'Hare Intl
16h 20m
1 stop
SOF10:50 pmSofia
$844
United Airlines
Sep 20
SOF6:20 amSofia
18h 09m
2 stops
ORD4:29 pmChicago O'Hare Intl
Oct 17
ORD3:35 pmChicago O'Hare Intl
12h 35m
1 stop
SOF12:10 pmSofia
$845

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 July 23, 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

Thu 9/10

5:15 pm-4:00 pm

2 stops30h 45m

Chicago O'Hare Intl

Wed 9/23

7:25 pm-12:40 am

2 stops21h 15m

$796

SofiaChicago

SOF - ORD

SOFORD

Sofia

Wed 8/26

6:45 pm-3:05 pm

2 stops28h 20m

Chicago O'Hare Intl

Wed 9/16

9:50 pm-6:00 pm

1 stop12h 10m

$800

SofiaChicago

SOF - ORD

SOFORD

Sofia

Mon 8/31

6:45 pm-3:10 pm

2 stops52h 25m

Chicago O'Hare Intl

Wed 11/25

9:50 pm-1:50 pm

1 stop32h 00m

$804

SofiaChicago

SOF - ORD

SOFORD

Sofia

Wed 8/26

6:45 pm-3:05 pm

2 stops28h 20m

Chicago O'Hare Intl

Thu 9/17

5:10 pm-1:55 pm

2 stops36h 45m

$810

SofiaChicago

SOF - ORD

SOFORD

Sofia

Sun 12/6

4:00 pm-6:20 pm

1 stop34h 20m

Chicago O'Hare Intl

Tue 3/2

11:45 am-8:50 am

1 stop13h 05m

$816

SofiaChicago

SOF - ORD

SOFORD

Sofia

Sat 12/5

4:00 pm-6:20 pm

1 stop34h 20m

Chicago O'Hare Intl

Sun 3/7

12:45 pm-3:10 pm

1 stop18h 25m

$817

VarnaChicago

VAR - ORD

VARORD

Varna

Sun 9/13

11:05 am-1:20 pm

1 stop34h 15m

Chicago O'Hare Intl

Sun 9/20

4:20 pm-3:15 pm

1 stop14h 55m

$843

VarnaChicago

VAR - ORD

VARORD

Varna

Sun 9/13

1:35 pm-1:20 pm

1 stop31h 45m

Chicago O'Hare Intl

Sun 9/20

4:20 pm-3:15 pm

1 stop14h 55m

$845

VarnaChicago

VAR - ORD

VARORD

Varna

Sun 9/13

1:35 pm-12:55 pm

2 stops31h 20m

Chicago O'Hare Intl

Sun 9/20

4:05 pm-7:35 pm

1 stop19h 30m

$871
Quickest round-trip

VarnaChicago

VAR - ORD

VARORD

Varna

Wed 8/5

9:30 pm-12:00 pm

2 stops22h 30m

Chicago O'Hare Intl

Sun 9/6

3:35 pm-11:30 am

1 stop11h 55m

$883

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 December is another great option to travel to Chicago O'Hare Intl Airport, with average flight prices from Bulgaria averaging around $720.

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 $794 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

14h 25m

Direct flights

None
The fastest flight from Bulgaria to Chicago O'Hare Intl Airport takes 14h 25m
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 $594Free CancellationRating
7.4
4,451 reviews
Search Turkish Airlines flights
LOTPriceFrom $629Free CancellationRating
7.5
1,211 reviews
Search LOT flights
KLMPriceFrom $652Free CancellationRating
7.8
1,544 reviews
Search KLM flights
Austrian AirlinesPriceFrom $658Free CancellationRating
7.6
950 reviews
Search Austrian Airlines flights
United AirlinesPriceFrom $704Free CancellationRating
7.4
10,026 reviews
Search United Airlines flights
LufthansaPriceFrom $711Free CancellationRating
6.8
8,159 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
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Gurnee
Rosemont
Orland Park
Oak Brook
Naperville
Joliet
New Buffalo
Kenosha
Hammond
Aurora
Racine
Janesville
Elgin
Evanston
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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