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Cheap flights from Bulgaria to Chicago from $390

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 9/2. 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.
LOT Logo
2:35 pm - 7:50 pm
SOF
-
ORD
13h 15m
1 stop
LOT Logo
10:50 pm - 5:50 pm
ORD
-
SOF
12h 00m
1 stop
$695LOT
Tue, Oct 13 - Mon, Oct 26
LOT Logo
6:45 pm - 7:50 pm
SOF
-
ORD
33h 05m
1 stop
LOT Logo
9:50 pm - 5:50 pm
ORD
-
SOF
12h 00m
1 stop
$758LOT
Tue, Sep 15 - Thu, Nov 19
LOT Logo
6:45 pm - 3:10 pm
SOF
-
ORD
28h 25m
2 stops
LOT Logo
9:50 pm - 1:50 pm
ORD
-
SOF
32h 00m
1 stop
$768LOT
Tue, Sep 15 - Thu, Nov 19
LOT Logo
2:35 pm - 3:10 pm
SOF
-
ORD
32h 35m
1 stop
LOT Logo
5:10 pm - 1:50 pm
ORD
-
SOF
12h 40m
1 stop
$769LOT
Wed, Aug 26 - Sat, Sep 19
Multiple Airlines Logo
5:00 pm - 4:10 pm
SOF
-
ORD
31h 10m
2 stops
Multiple Airlines Logo
10:50 pm - 6:20 pm
ORD
-
SOF
12h 30m
1 stop
$774Multiple Airlines
Tue, Oct 13 - Mon, Oct 26
LOT Logo
6:45 pm - 3:05 pm
SOF
-
ORD
28h 20m
2 stops
LOT Logo
5:10 pm - 6:00 pm
ORD
-
SOF
16h 50m
1 stop
$779LOT
Wed, Aug 26 - Sat, Sep 19
Turkish Airlines Logo
1:05 pm - 9:40 am
SOF
-
ORD
28h 35m
1 stop
Turkish Airlines Logo
11:25 am - 8:20 pm
ORD
-
SOF
24h 55m
1 stop
$784Turkish Airlines
Sun, Aug 30 - Tue, Sep 15
Multiple Airlines Logo
10:25 am - 12:35 pm
VAR
-
ORD
34h 10m
1 stop
Multiple Airlines Logo
9:40 pm - 12:45 pm
ORD
-
VAR
31h 05m
2 stops
$824Multiple Airlines
Sun, Jul 26 - Wed, Sep 2
SWISS Logo
10:25 am - 12:35 pm
VAR
-
ORD
34h 10m
1 stop
SWISS Logo
7:05 pm - 8:10 pm
ORD
-
VAR
17h 05m
1 stop
$846SWISS
Sun, Jul 26 - Mon, Aug 31
SWISS Logo
10:25 am - 12:35 pm
VAR
-
ORD
34h 10m
1 stop
SWISS Logo
7:05 pm - 8:10 pm
ORD
-
VAR
17h 05m
1 stop
$847SWISS
Sun, Jul 26 - Mon, Aug 31

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LOT flights from Bulgaria to Chicago

Our best LOT deals on Bulgaria to Chicago flight tickets
LOT
Oct 13
SOF2:35 pmSofia
13h 15m
1 stop
ORD7:50 pmChicago O'Hare Intl
Oct 26
ORD10:50 pmChicago O'Hare Intl
12h 00m
1 stop
SOF5:50 pmSofia
$695
LOT
Sep 15
SOF6:45 pmSofia
33h 05m
1 stop
ORD7:50 pmChicago O'Hare Intl
Nov 19
ORD9:50 pmChicago O'Hare Intl
12h 00m
1 stop
SOF5:50 pmSofia
$758
LOT
Sep 15
SOF6:45 pmSofia
28h 25m
2 stops
ORD3:10 pmChicago O'Hare Intl
Nov 19
ORD9:50 pmChicago O'Hare Intl
32h 00m
1 stop
SOF1:50 pmSofia
$768

United Airlines flights from Bulgaria to Chicago

Our best United Airlines deals on Bulgaria to Chicago flight tickets
United Airlines
Sep 9
SOF8:00 amSofia
17h 00m
2 stops
ORD5:00 pmChicago O'Hare Intl
Sep 19
ORD12:55 pmChicago O'Hare Intl
14h 45m
2 stops
SOF11:40 amSofia
$813
United Airlines
Jul 25
SOF6:20 amSofia
12h 40m
1 stop
ORD11:00 amChicago O'Hare Intl
Aug 24
ORD6:00 pmChicago O'Hare Intl
21h 15m
1 stop
SOF11:15 pmSofia
$840
United Airlines
Jul 24
SOF6:20 amSofia
12h 40m
1 stop
ORD11:00 amChicago O'Hare Intl
Aug 22
ORD9:40 pmChicago O'Hare Intl
17h 35m
1 stop
SOF11:15 pmSofia
$841

momondo Fare Finder

 
Customize your flight search to find flights from Bulgaria to Chicago 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 12, 2026.
Use the filters below to find and compare flights from Bulgaria to Chicago that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

SofiaChicago

SOF - ORD

SOFORD

Sofia

Tue 10/13

2:35 pm-7:50 pm

1 stop13h 15m

Chicago O'Hare Intl

Mon 10/26

10:50 pm-5:50 pm

1 stop12h 00m

$695

SofiaChicago

SOF - ORD

SOFORD

Sofia

Tue 9/15

6:45 pm-7:50 pm

1 stop33h 05m

Chicago O'Hare Intl

Thu 11/19

9:50 pm-5:50 pm

1 stop12h 00m

$758

SofiaChicago

SOF - ORD

SOFORD

Sofia

Tue 9/15

6:45 pm-3:10 pm

2 stops28h 25m

Chicago O'Hare Intl

Thu 11/19

9:50 pm-1:50 pm

1 stop32h 00m

$768

SofiaChicago

SOF - ORD

SOFORD

Sofia

Wed 8/26

2:35 pm-3:10 pm

1 stop32h 35m

Chicago O'Hare Intl

Sat 9/19

5:10 pm-1:50 pm

1 stop12h 40m

$769

SofiaChicago

SOF - ORD

SOFORD

Sofia

Tue 10/13

5:00 pm-4:10 pm

2 stops31h 10m

Chicago O'Hare Intl

Mon 10/26

10:50 pm-6:20 pm

1 stop12h 30m

$774

SofiaChicago

SOF - ORD

SOFORD

Sofia

Wed 8/26

6:45 pm-3:05 pm

2 stops28h 20m

Chicago O'Hare Intl

Sat 9/19

5:10 pm-6:00 pm

1 stop16h 50m

$779

SofiaChicago

SOF - ORD

SOFORD

Sofia

Sun 8/30

1:05 pm-9:40 am

1 stop28h 35m

Chicago O'Hare Intl

Tue 9/15

11:25 am-8:20 pm

1 stop24h 55m

$784

VarnaChicago

VAR - ORD

VARORD

Varna

Sun 7/26

10:25 am-12:35 pm

1 stop34h 10m

Chicago O'Hare Intl

Wed 9/2

9:40 pm-12:45 pm

2 stops31h 05m

$824

VarnaChicago

VAR - ORD

VARORD

Varna

Sun 7/26

10:25 am-12:35 pm

1 stop34h 10m

Chicago O'Hare Intl

Mon 8/31

7:05 pm-8:10 pm

1 stop17h 05m

$846

VarnaChicago

VAR - ORD

VARORD

Varna

Sun 7/26

10:25 am-12:35 pm

1 stop34h 10m

Chicago O'Hare Intl

Mon 8/31

7:05 pm-8:10 pm

1 stop17h 05m

$847

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
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See travel insights to Chicago from

How to get the cheapest flight ticket from Bulgaria to Chicago

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?

The month of January is, on average, the cheapest month to fly to Chicago from Bulgaria, with most prices found around $388. If you’re not able to fly to Chicago in January, then May is your next best option. Flight prices from Bulgaria to Chicago during May average around $466.

How far in advance should I book a flight from Bulgaria to Chicago?

You are more likely to see cheaper flights to Chicago from Bulgaria when booking weeks ahead of your departure date. In general, you can expect to find flights to Chicago for around $793 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Chicago from Bulgaria for as low as $717 on momondo.

Cheap Bulgaria to Chicago flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Bulgaria to Chicago

Fastest flight time

16h 45m

Direct flights

None
The fastest flight from Bulgaria to Chicago takes 16h 45m
There are no direct flights from Bulgaria to Chicago. There are no popular flight routes from Bulgaria to Chicago.
Search flight deals

Frequently asked questions about flying from Bulgaria to Chicago

  • When did momondo last update prices for flights from Bulgaria to Chicago?

    Prices for flights from Bulgaria to Chicago refresh daily.

  • How many operators does momondo search for flights from Bulgaria to Chicago?

  • How old do you have to be to fly from Bulgaria to Chicago?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Bulgaria to Chicago.

  • What documentation or ID do you need to fly to Chicago?

    The necessary travel and health documents for your Chicago trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Best airlines flying from Bulgaria to Chicago

Compare and see reviews for airlines that fly from Bulgaria to Chicago with momondo
Airline
Rating
Free Cancellation
Price
Turkish AirlinesPriceFrom $594Free CancellationRating
7.4
4,442 reviews
Search Turkish Airlines flights
LOTPriceFrom $629Free CancellationRating
7.5
1,210 reviews
Search LOT flights
KLMPriceFrom $652Free CancellationRating
7.8
1,537 reviews
Search KLM flights
Austrian AirlinesPriceFrom $658Free CancellationRating
7.6
943 reviews
Search Austrian Airlines flights
United AirlinesPriceFrom $704Free CancellationRating
7.4
9,980 reviews
Search United Airlines flights
LufthansaPriceFrom $711Free CancellationRating
6.8
8,128 reviews
Search Lufthansa flights

Traveling to a place near Chicago?

Book flights to Chicago if you plan to visit one of these locations
Merrillville
New Buffalo
Hammond
Portage
Benton Harbor
Saint Joseph
Lansing
Valparaiso
Schererville
Munster
Chesterton
Monticello
Crown Point
Porter
Griffith
Saint John

Why use momondo?

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

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Bulgaria to Chicago. Millions of users trust and use momondo every year so you are in good hands.

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

All flight searches from Bulgaria to Chicago on momondo can be filtered to show those which offer flexible booking policies.

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

momondo helps you find the best flight between Bulgaria and Chicago by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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

If you are not ready to book a flight from Bulgaria to Chicago now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Chicago and let you know when they change.

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Find better results for your trip to the United States

Fly into one of these airports located in Chicago

Airports listed have a maximum distance of 78.5 mi from Chicago
Chicago Midway Airport
Chicago O'Hare Intl Airport
Chicago Greater Rockford Airport