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Cheap flights from Bulgaria to Chicago from $370

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 4/7. 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
7:00 am - 2:20 pm
SOF
-
ORD
15h 20m
1 stop
Multiple Airlines Logo
5:10 pm - 2:00 pm
ORD
-
SOF
12h 50m
1 stop
$647Multiple Airlines
sex, fev 13 - qua, abr 15
Turkish Airlines Logo
3:50 pm - 9:40 am
SOF
-
ORD
25h 50m
1 stop
Turkish Airlines Logo
11:25 am - 8:45 am
ORD
-
SOF
13h 20m
1 stop
$649Turkish Airlines
qua, abr 15 - sex, mai 1
Multiple Airlines Logo
7:00 am - 2:15 pm
SOF
-
ORD
15h 15m
1 stop
Multiple Airlines Logo
5:10 pm - 2:00 pm
ORD
-
SOF
12h 50m
1 stop
$650Multiple Airlines
ter, abr 14 - qui, abr 30
KLM Logo
7:00 am - 2:15 pm
SOF
-
ORD
15h 15m
1 stop
KLM Logo
4:20 pm - 2:00 pm
ORD
-
SOF
13h 40m
1 stop
$655KLM
ter, abr 14 - sáb, mai 2
Air France Logo
7:10 am - 3:10 pm
SOF
-
ORD
16h 00m
1 stop
Air France Logo
5:10 pm - 2:00 pm
ORD
-
SOF
12h 50m
1 stop
$657Air France
ter, fev 17 - sex, mai 8
KLM Logo
7:00 am - 2:20 pm
SOF
-
ORD
15h 20m
1 stop
KLM Logo
2:12 pm - 2:05 pm
ORD
-
SOF
15h 53m
2 stops
$662KLM
sex, fev 13 - dom, mar 1
Austrian Airlines Logo
4:00 pm - 3:00 pm
VAR
-
ORD
30h 00m
1 stop
Austrian Airlines Logo
4:20 pm - 3:15 pm
ORD
-
VAR
14h 55m
1 stop
$771Austrian Airlines
dom, mar 15 - seg, abr 27
Austrian Airlines Logo
4:00 pm - 1:45 pm
VAR
-
ORD
28h 45m
2 stops
Austrian Airlines Logo
4:20 pm - 3:15 pm
ORD
-
VAR
14h 55m
1 stop
$804Austrian Airlines
seg, mar 16 - seg, abr 27
Lufthansa Logo
4:00 pm - 2:25 pm
VAR
-
ORD
29h 25m
2 stops
Lufthansa Logo
9:40 pm - 11:30 am
ORD
-
VAR
29h 50m
1 stop
$877Lufthansa
ter, mar 17 - sáb, mai 16
Lufthansa Logo
4:00 pm - 2:25 pm
VAR
-
ORD
29h 25m
2 stops
Lufthansa Logo
9:40 pm - 11:30 am
ORD
-
VAR
29h 50m
2 stops
$960Lufthansa
seg, mar 16 - dom, mai 31

Lufthansa flights from Bulgaria to Chicago

Our best Lufthansa deals on Bulgaria to Chicago flight tickets
Lufthansa
Jun 15
SOF6:20 amSofia
14h 35m
1 stop
ORD12:55 pmChicago O'Hare Intl
Jul 5
ORD10:30 pmChicago O'Hare Intl
16h 30m
1 stop
SOF11:00 pmSofia
$702
Lufthansa
Feb 17
SOF6:00 amSofia
17h 20m
1 stop
ORD3:20 pmChicago O'Hare Intl
Jun 14
ORD3:35 pmChicago O'Hare Intl
12h 35m
1 stop
SOF12:10 pmSofia
$809
Lufthansa
Mar 17
VAR4:00 pmVarna
29h 25m
2 stops
ORD2:25 pmChicago O'Hare Intl
May 16
ORD9:40 pmChicago O'Hare Intl
29h 50m
1 stop
VAR11:30 amVarna
$877

United Airlines flights from Bulgaria to Chicago

Our best United Airlines deals on Bulgaria to Chicago flight tickets
United Airlines
Feb 15
SOF6:10 amSofia
17h 10m
1 stop
ORD3:20 pmChicago O'Hare Intl
May 6
ORD9:40 pmChicago O'Hare Intl
17h 30m
1 stop
SOF11:10 pmSofia
$756
United Airlines
Feb 20
SOF6:10 amSofia
15h 15m
1 stop
ORD1:25 pmChicago O'Hare Intl
Mar 8
ORD10:50 pmChicago O'Hare Intl
16h 55m
1 stop
SOF10:45 pmSofia
$757
United Airlines
Feb 18
SOF6:10 amSofia
22h 00m
2 stops
ORD8:10 pmChicago O'Hare Intl
May 6
ORD9:40 pmChicago O'Hare Intl
17h 30m
1 stop
SOF11:10 pmSofia
$760

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 fevereiro 3, 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

SofiaChicago

SOF - ORD

SOFORD

Sofia

sex 2/13

7:00 am-2:20 pm

1 stop15h 20m

Chicago O'Hare Intl

qua 4/15

5:10 pm-2:00 pm

1 stop12h 50m

$647

SofiaChicago

SOF - ORD

SOFORD

Sofia

qua 4/15

3:50 pm-9:40 am

1 stop25h 50m

Chicago O'Hare Intl

sex 5/1

11:25 am-8:45 am

1 stop13h 20m

$649

SofiaChicago

SOF - ORD

SOFORD

Sofia

ter 4/14

7:00 am-2:15 pm

1 stop15h 15m

Chicago O'Hare Intl

qui 4/30

5:10 pm-2:00 pm

1 stop12h 50m

$650

SofiaChicago

SOF - ORD

SOFORD

Sofia

ter 4/14

7:00 am-2:15 pm

1 stop15h 15m

Chicago O'Hare Intl

sáb 5/2

4:20 pm-2:00 pm

1 stop13h 40m

$655

SofiaChicago

SOF - ORD

SOFORD

Sofia

ter 2/17

7:10 am-3:10 pm

1 stop16h 00m

Chicago O'Hare Intl

sex 5/8

5:10 pm-2:00 pm

1 stop12h 50m

$657

SofiaChicago

SOF - ORD

SOFORD

Sofia

sex 2/13

7:00 am-2:20 pm

1 stop15h 20m

Chicago O'Hare Intl

dom 3/1

2:12 pm-2:05 pm

2 stops15h 53m

$662

VarnaChicago

VAR - ORD

VARORD

Varna

dom 3/15

4:00 pm-3:00 pm

1 stop30h 00m

Chicago O'Hare Intl

seg 4/27

4:20 pm-3:15 pm

1 stop14h 55m

$771

VarnaChicago

VAR - ORD

VARORD

Varna

seg 3/16

4:00 pm-1:45 pm

2 stops28h 45m

Chicago O'Hare Intl

seg 4/27

4:20 pm-3:15 pm

1 stop14h 55m

$804

VarnaChicago

VAR - ORD

VARORD

Varna

ter 3/17

4:00 pm-2:25 pm

2 stops29h 25m

Chicago O'Hare Intl

sáb 5/16

9:40 pm-11:30 am

1 stop29h 50m

$877

VarnaChicago

VAR - ORD

VARORD

Varna

seg 3/16

4:00 pm-2:25 pm

2 stops29h 25m

Chicago O'Hare Intl

dom 5/31

9:40 pm-11:30 am

2 stops29h 50m

$960

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 February is, on average, the cheapest month to fly to Chicago from Bulgaria, with most prices found around $673. If you’re not able to fly to Chicago in February, then April is your next best option. Flight prices from Bulgaria to Chicago during April average around $679.

How far in advance should I book a flight 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 $732 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 $620 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

13h 30m

Direct flights

None
The fastest flight from Bulgaria to Chicago takes 13h 30m
There are no direct flights from Bulgaria to Chicago. There are no popular flight routes from Bulgaria to Chicago.
Search flight deals

  • 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
LOTPriceFrom $576Free CancellationRating
7.5
1,178 reviews
Search LOT flights
Turkish AirlinesPriceFrom $601Free CancellationRating
7.3
4,210 reviews
Search Turkish Airlines flights
KLMPriceFrom $621Free CancellationRating
7.7
1,448 reviews
Search KLM flights
United AirlinesPriceFrom $649Free CancellationRating
7.4
9,235 reviews
Search United Airlines flights
LufthansaPriceFrom $650Free CancellationRating
6.8
7,758 reviews
Search Lufthansa flights
Austrian AirlinesPriceFrom $658Free CancellationRating
7.5
896 reviews
Search Austrian Airlines flights

Traveling to a place near Chicago?

Book flights to Chicago if you plan to visit one of these locations
Merrillville
New Buffalo
Hammond
Benton Harbor
Saint Joseph
Portage
Lansing
Schererville
Valparaiso
Munster
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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1 adult
qui 3/5
qui 3/12
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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