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Cheap flights from Bulgaria to Chicago from $399

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 5/26. 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
6:35 pm - 9:00 pm
SOF
-
ORD
33h 25m
1 stop
LOT Logo
9:55 pm - 1:50 pm
ORD
-
SOF
31h 55m
1 stop
$742LOT
Fri, Oct 30 - Thu, Nov 19
Turkish Airlines Logo
3:50 pm - 9:40 am
SOF
-
ORD
25h 50m
1 stop
Turkish Airlines Logo
8:10 pm - 3:00 pm
ORD
-
SOF
34h 50m
1 stop
$746Turkish Airlines
Wed, Jul 8 - Thu, Aug 13
Turkish Airlines Logo
3:50 pm - 9:40 am
SOF
-
ORD
25h 50m
1 stop
Turkish Airlines Logo
8:10 pm - 3:00 pm
ORD
-
SOF
34h 50m
1 stop
$747Turkish Airlines
Wed, Jul 8 - Thu, Aug 20
Austrian Airlines Logo
6:55 pm - 1:20 pm
SOF
-
ORD
26h 25m
1 stop
Austrian Airlines Logo
4:20 pm - 11:50 am
ORD
-
SOF
11h 30m
1 stop
$765Austrian Airlines
Mon, Aug 31 - Sat, Nov 14
Austrian Airlines Logo
6:55 pm - 4:59 pm
SOF
-
ORD
30h 04m
2 stops
Austrian Airlines Logo
2:25 pm - 6:00 pm
ORD
-
SOF
19h 35m
2 stops
$770Austrian Airlines
Mon, Aug 31 - Sat, Nov 14
Multiple Airlines Logo
10:15 am - 7:55 pm
VAR
-
ORD
17h 40m
1 stop
Multiple Airlines Logo
4:20 pm - 3:15 pm
ORD
-
VAR
14h 55m
1 stop
$877Multiple Airlines
Fri, Jul 10 - Thu, Jul 16
Lufthansa Logo
10:15 am - 12:55 pm
VAR
-
ORD
34h 40m
1 stop
Lufthansa Logo
6:30 pm - 8:40 am
ORD
-
VAR
30h 10m
1 stop
$932Lufthansa
Fri, Jul 3 - Fri, Jul 10
KLM Logo
7:00 am - 6:18 pm
SOF
-
MDW
19h 18m
2 stops
KLM Logo
1:18 pm - 2:00 pm
MDW
-
SOF
16h 42m
2 stops
$946KLM
Mon, Jun 22 - Tue, Jul 7
KLM Logo
7:00 am - 6:18 pm
SOF
-
MDW
19h 18m
2 stops
KLM Logo
1:18 pm - 2:00 pm
MDW
-
SOF
16h 42m
2 stops
$950KLM
Mon, Jun 22 - Tue, Jul 7
Lufthansa Logo
10:15 am - 6:15 pm
VAR
-
ORD
16h 00m
2 stops
Lufthansa Logo
3:10 pm - 3:15 pm
ORD
-
VAR
16h 05m
2 stops
$952Lufthansa
Fri, Jul 10 - Thu, Jul 16

LOT flights from Bulgaria to Chicago

Our best LOT deals on Bulgaria to Chicago flight tickets
LOT
Oct 30
SOF6:35 pmSofia
33h 25m
1 stop
ORD9:00 pmChicago O'Hare Intl
Nov 19
ORD9:55 pmChicago O'Hare Intl
31h 55m
1 stop
SOF1:50 pmSofia
$742
LOT
Jul 8
SOF5:30 amSofia
22h 20m
1 stop
ORD7:50 pmChicago O'Hare Intl
Aug 18
ORD9:50 pmChicago O'Hare Intl
20h 05m
1 stop
SOF1:55 amSofia
$791
LOT
Jul 8
SOF2:35 pmSofia
13h 15m
1 stop
ORD7:50 pmChicago O'Hare Intl
Aug 18
ORD9:50 pmChicago O'Hare Intl
12h 10m
1 stop
SOF6:00 pmSofia
$793

Austrian Airlines flights from Bulgaria to Chicago

Our best Austrian Airlines deals on Bulgaria to Chicago flight tickets
Austrian Airlines
Aug 31
SOF6:55 pmSofia
26h 25m
1 stop
ORD1:20 pmChicago O'Hare Intl
Nov 14
ORD4:20 pmChicago O'Hare Intl
11h 30m
1 stop
SOF11:50 amSofia
$765
Austrian Airlines
Aug 31
SOF6:55 pmSofia
30h 04m
2 stops
ORD4:59 pmChicago O'Hare Intl
Nov 14
ORD2:25 pmChicago O'Hare Intl
19h 35m
2 stops
SOF6:00 pmSofia
$770
Austrian Airlines
Jul 3
SOF7:05 pmSofia
26h 15m
1 stop
ORD1:20 pmChicago O'Hare Intl
Jul 17
ORD4:20 pmChicago O'Hare Intl
23h 35m
1 stop
SOF11:55 pmSofia
$830

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 May 18, 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

SofiaChicago

SOF - ORD

SOFORD

Sofia

Fri 10/30

6:35 pm-9:00 pm

1 stop33h 25m

Chicago O'Hare Intl

Thu 11/19

9:55 pm-1:50 pm

1 stop31h 55m

$742

SofiaChicago

SOF - ORD

SOFORD

Sofia

Wed 7/8

3:50 pm-9:40 am

1 stop25h 50m

Chicago O'Hare Intl

Thu 8/13

8:10 pm-3:00 pm

1 stop34h 50m

$746

SofiaChicago

SOF - ORD

SOFORD

Sofia

Wed 7/8

3:50 pm-9:40 am

1 stop25h 50m

Chicago O'Hare Intl

Thu 8/20

8:10 pm-3:00 pm

1 stop34h 50m

$747

SofiaChicago

SOF - ORD

SOFORD

Sofia

Mon 8/31

6:55 pm-1:20 pm

1 stop26h 25m

Chicago O'Hare Intl

Sat 11/14

4:20 pm-11:50 am

1 stop11h 30m

$765

SofiaChicago

SOF - ORD

SOFORD

Sofia

Mon 8/31

6:55 pm-4:59 pm

2 stops30h 04m

Chicago O'Hare Intl

Sat 11/14

2:25 pm-6:00 pm

2 stops19h 35m

$770

VarnaChicago

VAR - ORD

VARORD

Varna

Fri 7/10

10:15 am-7:55 pm

1 stop17h 40m

Chicago O'Hare Intl

Thu 7/16

4:20 pm-3:15 pm

1 stop14h 55m

$877

VarnaChicago

VAR - ORD

VARORD

Varna

Fri 7/3

10:15 am-12:55 pm

1 stop34h 40m

Chicago O'Hare Intl

Fri 7/10

6:30 pm-8:40 am

1 stop30h 10m

$932

SofiaChicago

SOF - MDW

SOFMDW

Sofia

Mon 6/22

7:00 am-6:18 pm

2 stops19h 18m

Chicago Midway

Tue 7/7

1:18 pm-2:00 pm

2 stops16h 42m

$946

SofiaChicago

SOF - MDW

SOFMDW

Sofia

Mon 6/22

7:00 am-6:18 pm

2 stops19h 18m

Chicago Midway

Tue 7/7

1:18 pm-2:00 pm

2 stops16h 42m

$950
Quickest round-trip

VarnaChicago

VAR - ORD

VARORD

Varna

Fri 7/10

10:15 am-6:15 pm

2 stops16h 00m

Chicago O'Hare Intl

Thu 7/16

3:10 pm-3:15 pm

2 stops16h 05m

$952

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

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 $774 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 $710 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

12h 40m

Direct flights

None
The fastest flight from Bulgaria to Chicago takes 12h 40m
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 $616Free CancellationRating
7.4
4,373 reviews
Search Turkish Airlines flights
LOTPriceFrom $625Free CancellationRating
7.5
1,191 reviews
Search LOT flights
KLMPriceFrom $652Free CancellationRating
7.8
1,517 reviews
Search KLM flights
Austrian AirlinesPriceFrom $665Free CancellationRating
7.6
913 reviews
Search Austrian Airlines flights
United AirlinesPriceFrom $685Free CancellationRating
7.4
9,737 reviews
Search United Airlines flights
LufthansaPriceFrom $711Free CancellationRating
6.8
8,009 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
Saint Joseph
Benton Harbor
Portage
Lansing
Valparaiso
Munster
Schererville
Crown Point
Chesterton
Monticello
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