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Cheap flights from Bulgaria to Chicago from $321

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 12/10. 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
10:50 am - 3:55 pmSOF-ORD
36h 05m2 stops
Multiple Airlines Logo
4:50 pm - 1:50 pmORD-SOF
14h 00m1 stop
$651Multiple Airlines
Find Deal
mié., mar. 11 - lun., mar. 23
LOT Logo
6:35 pm - 8:00 pmSOF-ORD
33h 25m1 stop
LOT Logo
9:40 pm - 2:00 amORD-SOF
20h 20m1 stop
$661LOT
Find Deal
vie., dic. 12 - jue., jun. 4
Austrian Airlines Logo
4:00 pm - 2:00 pmVAR-ORD
30h 00m1 stop
Austrian Airlines Logo
5:50 pm - 3:15 pmORD-VAR
37h 25m2 stops
$694Austrian Airlines
Find Deal
vie., nov. 21 - vie., nov. 28
Turkish Airlines Logo
4:00 pm - 6:25 pmSOF-ORD
34h 25m1 stop
Turkish Airlines Logo
11:50 am - 8:50 pmORD-SOF
25h 00m1 stop
$700Turkish Airlines
Find Deal
lun., dic. 15 - mar., ene. 6
Lufthansa Logo
6:05 am - 3:20 pmSOF-ORD
17h 15m2 stops
Lufthansa Logo
6:00 pm - 1:15 pmORD-SOF
11h 15m1 stop
$701Lufthansa
Find Deal
dom., dic. 14 - mar., dic. 30
Austrian Airlines Logo
4:00 pm - 2:00 pmVAR-ORD
30h 00m1 stop
Austrian Airlines Logo
9:05 pm - 3:15 pmORD-VAR
34h 10m2 stops
$701Austrian Airlines
Find Deal
vie., nov. 21 - vie., nov. 28
Turkish Airlines Logo
4:00 pm - 10:05 amSOF-ORD
26h 05m1 stop
Turkish Airlines Logo
11:50 am - 3:10 pmORD-SOF
19h 20m1 stop
$703Turkish Airlines
Find Deal
lun., dic. 15 - lun., ene. 5
United Airlines Logo
6:00 am - 2:55 pmSOF-ORD
16h 55m2 stops
United Airlines Logo
7:00 pm - 10:45 pmORD-SOF
20h 45m1 stop
$711United Airlines
Find Deal
mar., mar. 3 - mié., mar. 11
United Airlines Logo
2:35 pm - 9:05 pmSOF-ORD
13h 30m1 stop
United Airlines Logo
10:50 pm - 10:45 pmORD-SOF
16h 55m1 stop
$712United Airlines
Find Deal
vie., mar. 13 - dom., mar. 22
Lufthansa Logo
4:00 pm - 3:20 pmVAR-ORD
31h 20m2 stops
Lufthansa Logo
3:20 pm - 3:15 pmORD-VAR
15h 55m2 stops
$770Lufthansa
Find Deal
vie., nov. 21 - vie., nov. 28

LOT flights from Bulgaria to Chicago O'Hare Intl Airport

Our best LOT deals on Bulgaria to Chicago O'Hare Intl Airport flight tickets
LOT
Dec 12
SOF6:35 pmSofia
33h 25m
1 stop
ORD8:00 pmChicago O'Hare Intl
Jun 4
ORD9:40 pmChicago O'Hare Intl
20h 20m
1 stop
SOF2:00 amSofia
$661
Find similar
LOT
Mar 2
SOF6:35 pmSofia
33h 25m
1 stop
ORD8:00 pmChicago O'Hare Intl
Mar 12
ORD10:55 pmChicago O'Hare Intl
31h 55m
1 stop
SOF1:50 pmSofia
$664
Find similar
LOT
Apr 24
SOF6:45 pmSofia
28h 25m
1 stop
ORD3:10 pmChicago O'Hare Intl
Apr 28
ORD9:40 pmChicago O'Hare Intl
12h 20m
1 stop
SOF6:00 pmSofia
$665
Find similar

Air France flights from Bulgaria to Chicago O'Hare Intl Airport

Our best Air France deals on Bulgaria to Chicago O'Hare Intl Airport flight tickets
Air France
Dec 17
SOF7:00 amSofia
16h 10m
1 stop
ORD3:10 pmChicago O'Hare Intl
Jan 17
ORD12:27 pmChicago O'Hare Intl
17h 28m
2 stops
SOF1:55 pmSofia
$699
Find similar
Air France
Nov 8
SOF7:00 amSofia
16h 10m
1 stop
ORD3:10 pmChicago O'Hare Intl
Nov 16
ORD5:20 pmChicago O'Hare Intl
12h 35m
1 stop
SOF1:55 pmSofia
$762
Find similar
Air France
Nov 20
SOF7:10 amSofia
16h 00m
1 stop
ORD3:10 pmChicago O'Hare Intl
Dec 3
ORD5:20 pmChicago O'Hare Intl
12h 45m
1 stop
SOF2:05 pmSofia
$771
Find similar

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 noviembre 6, 2025.
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

SofiaChicago

SOF - ORD

SOFORD

Sofia

mié. 3/11

10:50 am-3:55 pm

2 stops36h 05m

Chicago O'Hare Intl

lun. 3/23

4:50 pm-1:50 pm

1 stop14h 00m

$651

SofiaChicago

SOF - ORD

SOFORD

Sofia

vie. 12/12

6:35 pm-8:00 pm

1 stop33h 25m

Chicago O'Hare Intl

jue. 6/4

9:40 pm-2:00 am

1 stop20h 20m

$661

VarnaChicago

VAR - ORD

VARORD

Varna

vie. 11/21

4:00 pm-2:00 pm

1 stop30h 00m

Chicago O'Hare Intl

vie. 11/28

5:50 pm-3:15 pm

2 stops37h 25m

$694

SofiaChicago

SOF - ORD

SOFORD

Sofia

lun. 12/15

4:00 pm-6:25 pm

1 stop34h 25m

Chicago O'Hare Intl

mar. 1/6

11:50 am-8:50 pm

1 stop25h 00m

$700

SofiaChicago

SOF - ORD

SOFORD

Sofia

dom. 12/14

6:05 am-3:20 pm

2 stops17h 15m

Chicago O'Hare Intl

mar. 12/30

6:00 pm-1:15 pm

1 stop11h 15m

$701

VarnaChicago

VAR - ORD

VARORD

Varna

vie. 11/21

4:00 pm-2:00 pm

1 stop30h 00m

Chicago O'Hare Intl

vie. 11/28

9:05 pm-3:15 pm

2 stops34h 10m

$701

SofiaChicago

SOF - ORD

SOFORD

Sofia

lun. 12/15

4:00 pm-10:05 am

1 stop26h 05m

Chicago O'Hare Intl

lun. 1/5

11:50 am-3:10 pm

1 stop19h 20m

$703

SofiaChicago

SOF - ORD

SOFORD

Sofia

mar. 3/3

6:00 am-2:55 pm

2 stops16h 55m

Chicago O'Hare Intl

mié. 3/11

7:00 pm-10:45 pm

1 stop20h 45m

$711

SofiaChicago

SOF - ORD

SOFORD

Sofia

vie. 3/13

2:35 pm-9:05 pm

1 stop13h 30m

Chicago O'Hare Intl

dom. 3/22

10:50 pm-10:45 pm

1 stop16h 55m

$712

VarnaChicago

VAR - ORD

VARORD

Varna

vie. 11/21

4:00 pm-3:20 pm

2 stops31h 20m

Chicago O'Hare Intl

vie. 11/28

3:20 pm-3:15 pm

2 stops15h 55m

$770

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 March is another great option to travel to Chicago O'Hare Intl Airport, with average flight prices from Bulgaria averaging around $675.

What is the cheapest day to depart on your flight to Chicago O'Hare Intl Airport?

The cheapest day to depart on your flight to Chicago O'Hare Intl Airport is on a Wednesday when prices can be found for as low as $685. This is often the case because there is less demand to fly during this day of the week. On the other hand, Monday is the most expensive day to depart from Bulgaria because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $778.

What is the cheapest time of day to depart on your flight to Chicago O'Hare Intl Airport?

Flying to Chicago O'Hare Intl Airport from Bulgaria at noon is the least expensive time of day to depart. momondo users have found prices as low as $657 when looking at flights departing at noon. Try not to purchase tickets in the morning because they tend to be around $779. Of course, these prices can vary depending on the time of year and what airport you fly to.

How far in advance should I book a flight 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 $718 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 $639 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

Direct flights

None
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.
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  • 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
LOTPriceFrom $532Free CancellationRating
7.6
1,133 reviews
Search LOT flights
British AirwaysPriceFrom $546Free CancellationRating
6.7
7,496 reviews
Search British Airways flights
Air FrancePriceFrom $560Free CancellationRating
7.4
1,484 reviews
Search Air France flights
Turkish AirlinesPriceFrom $601Free CancellationRating
7.3
4,034 reviews
Search Turkish Airlines flights
KLMPriceFrom $604Free CancellationRating
7.7
1,405 reviews
Search KLM flights
LufthansaPriceFrom $630Free CancellationRating
6.8
7,554 reviews
Search Lufthansa flights
United AirlinesPriceFrom $641Free CancellationRating
7.4
9,000 reviews
Search United Airlines flights
Austrian AirlinesPriceFrom $647Free CancellationRating
7.6
864 reviews
Search Austrian Airlines flights

Traveling to a place near Chicago?

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Lake Geneva
South Haven
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Gurnee
Naperville
Rosemont
Kenosha
New Buffalo
Joliet
Oak Brook
Orland Park
Racine
Hammond
Tinley Park
Janesville
Aurora
Elgin
Benton Harbor

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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