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Cheap flights from Chicago O'Hare Intl Airport to Bulgaria from $264

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Chicago O'Hare Intl Airport to Bulgaria 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 Chicago O'Hare Intl Airport to Bulgaria

Cheap round-trip flights

Enter your travel dates to find the best prices.
Turkish Airlines Logo
8:10 pm - 8:30 am
ORD
-
VAR
28h 20m
1 stop
Turkish Airlines Logo
10:10 pm - 9:40 am
VAR
-
ORD
19h 30m
1 stop
$747Turkish Airlines
Mon, Aug 24 - Wed, Sep 9
Lufthansa Logo
3:35 pm - 11:30 am
ORD
-
VAR
11h 55m
1 stop
Lufthansa Logo
8:20 pm - 12:55 pm
VAR
-
ORD
24h 35m
1 stop
$750Lufthansa
Sun, Aug 9 - Mon, Aug 24
Multiple Airlines Logo
2:15 pm - 7:35 pm
ORD
-
VAR
21h 20m
2 stops
Multiple Airlines Logo
8:20 pm - 12:55 pm
VAR
-
ORD
24h 35m
1 stop
$810Multiple Airlines
Sun, Aug 9 - Mon, Aug 24
Turkish Airlines Logo
11:25 am - 8:30 am
ORD
-
VAR
13h 05m
1 stop
Turkish Airlines Logo
9:20 am - 6:15 pm
VAR
-
ORD
16h 55m
1 stop
$822Turkish Airlines
Mon, Sep 14 - Mon, Sep 28
LOT Logo
8:10 pm - 1:50 pm
ORD
-
SOF
33h 40m
1 stop
LOT Logo
6:45 pm - 7:50 pm
SOF
-
ORD
33h 05m
1 stop
$839LOT
Fri, Jul 31 - Tue, Sep 8
Lufthansa Logo
9:40 pm - 6:40 pm
ORD
-
SOF
13h 00m
1 stop
Lufthansa Logo
6:20 am - 12:55 pm
SOF
-
ORD
14h 35m
1 stop
$840Lufthansa
Sun, Aug 23 - Sun, Sep 6
Austrian Airlines Logo
12:56 pm - 3:15 pm
ORD
-
VAR
18h 19m
2 stops
Austrian Airlines Logo
1:35 pm - 1:20 pm
VAR
-
ORD
31h 45m
1 stop
$841Austrian Airlines
Mon, Aug 24 - Wed, Sep 9
United Airlines Logo
9:50 am - 12:10 pm
ORD
-
SOF
18h 20m
2 stops
United Airlines Logo
6:20 am - 11:00 am
SOF
-
ORD
12h 40m
1 stop
$843United Airlines
Mon, Aug 17 - Fri, Sep 18
United Airlines Logo
9:50 am - 12:10 pm
ORD
-
SOF
18h 20m
2 stops
United Airlines Logo
6:10 am - 12:35 pm
SOF
-
ORD
14h 25m
1 stop
$844United Airlines
Tue, Aug 18 - Thu, Sep 17
Austrian Airlines Logo
4:20 pm - 3:15 pm
ORD
-
VAR
14h 55m
1 stop
Austrian Airlines Logo
4:00 pm - 1:20 pm
VAR
-
ORD
29h 20m
1 stop
$900Austrian Airlines
Mon, Aug 24 - Sun, Oct 18

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LOT flights from Chicago O'Hare Intl Airport to Bulgaria

Our best LOT deals on Chicago O'Hare Intl Airport to Bulgaria flight tickets
LOT
Jul 31
ORD8:10 pmChicago O'Hare Intl
33h 40m
1 stop
SOF1:50 pmSofia
Sep 8
SOF6:45 pmSofia
33h 05m
1 stop
ORD7:50 pmChicago O'Hare Intl
$839
LOT
Aug 9
ORD5:10 pmChicago O'Hare Intl
40h 50m
2 stops
SOF6:00 pmSofia
Aug 31
SOF6:45 pmSofia
28h 25m
1 stop
ORD3:10 pmChicago O'Hare Intl
$847
LOT
Aug 5
ORD9:50 pmChicago O'Hare Intl
20h 05m
1 stop
SOF1:55 amSofia
Aug 22
SOF6:45 pmSofia
33h 05m
1 stop
ORD7:50 pmChicago O'Hare Intl
$868

Lufthansa flights from Chicago O'Hare Intl Airport to Bulgaria

Our best Lufthansa deals on Chicago O'Hare Intl Airport to Bulgaria flight tickets
Lufthansa
Aug 9
ORD3:35 pmChicago O'Hare Intl
11h 55m
1 stop
VAR11:30 amVarna
Aug 24
VAR8:20 pmVarna
24h 35m
1 stop
ORD12:55 pmChicago O'Hare Intl
$750
Lufthansa
Aug 23
ORD9:40 pmChicago O'Hare Intl
13h 00m
1 stop
SOF6:40 pmSofia
Sep 6
SOF6:20 amSofia
14h 35m
1 stop
ORD12:55 pmChicago O'Hare Intl
$840
Lufthansa
Jul 30
ORD9:40 pmChicago O'Hare Intl
17h 35m
1 stop
SOF11:15 pmSofia
Aug 19
SOF6:10 amSofia
14h 45m
2 stops
ORD12:55 pmChicago O'Hare Intl
$855

momondo Fare Finder

 
Customize your flight search to find flights from Chicago O'Hare Intl Airport to Bulgaria 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 2, 2026.
Use the filters below to find and compare flights from Chicago O'Hare Intl Airport to Bulgaria that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

ChicagoVarna

ORD - VAR

ORDVAR

Chicago O'Hare Intl

Mon 8/24

8:10 pm-8:30 am

1 stop28h 20m

Varna

Wed 9/9

10:10 pm-9:40 am

1 stop19h 30m

$747

ChicagoVarna

ORD - VAR

ORDVAR

Chicago O'Hare Intl

Sun 8/9

3:35 pm-11:30 am

1 stop11h 55m

Varna

Mon 8/24

8:20 pm-12:55 pm

1 stop24h 35m

$750

ChicagoVarna

ORD - VAR

ORDVAR

Chicago O'Hare Intl

Sun 8/9

2:15 pm-7:35 pm

2 stops21h 20m

Varna

Mon 8/24

8:20 pm-12:55 pm

1 stop24h 35m

$810

ChicagoVarna

ORD - VAR

ORDVAR

Chicago O'Hare Intl

Mon 9/14

11:25 am-8:30 am

1 stop13h 05m

Varna

Mon 9/28

9:20 am-6:15 pm

1 stop16h 55m

$822

ChicagoSofia

ORD - SOF

ORDSOF

Chicago O'Hare Intl

Fri 7/31

8:10 pm-1:50 pm

1 stop33h 40m

Sofia

Tue 9/8

6:45 pm-7:50 pm

1 stop33h 05m

$839
Quickest round-trip

ChicagoSofia

ORD - SOF

ORDSOF

Chicago O'Hare Intl

Sun 8/23

9:40 pm-6:40 pm

1 stop13h 00m

Sofia

Sun 9/6

6:20 am-12:55 pm

1 stop14h 35m

$840

ChicagoVarna

ORD - VAR

ORDVAR

Chicago O'Hare Intl

Mon 8/24

12:56 pm-3:15 pm

2 stops18h 19m

Varna

Wed 9/9

1:35 pm-1:20 pm

1 stop31h 45m

$841

ChicagoSofia

ORD - SOF

ORDSOF

Chicago O'Hare Intl

Mon 8/17

9:50 am-12:10 pm

2 stops18h 20m

Sofia

Fri 9/18

6:20 am-11:00 am

1 stop12h 40m

$843

ChicagoSofia

ORD - SOF

ORDSOF

Chicago O'Hare Intl

Tue 8/18

9:50 am-12:10 pm

2 stops18h 20m

Sofia

Thu 9/17

6:10 am-12:35 pm

1 stop14h 25m

$844

ChicagoVarna

ORD - VAR

ORDVAR

Chicago O'Hare Intl

Mon 8/24

4:20 pm-3:15 pm

1 stop14h 55m

Varna

Sun 10/18

4:00 pm-1:20 pm

1 stop29h 20m

$900

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 Bulgaria from

How to get the cheapest flight ticket from Chicago O'Hare Intl Airport to Bulgaria

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 Bulgaria?

If you aren’t able to travel to Bulgaria during the month of October, then flying in July is also cheap. Prices for this month can be found on momondo for an average of $469.

How far in advance should I book a flight from Chicago O'Hare Intl Airport to Bulgaria?

You are more likely to see cheaper flights to Bulgaria from Chicago O'Hare Intl Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Bulgaria for around $758 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Bulgaria from Chicago O'Hare Intl Airport for as low as $691 on momondo.

Cheap Chicago O'Hare Intl Airport to Bulgaria flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Chicago O'Hare Intl Airport to Bulgaria

Fastest flight time

11h 55m

Direct flights

None
The fastest flight from Chicago O'Hare Intl Airport to Bulgaria takes 11h 55m
There are no direct flights from Chicago O'Hare Intl Airport to Bulgaria. There are no popular flight routes from Chicago O'Hare Intl Airport to Bulgaria.
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Frequently asked questions about flying from Chicago O'Hare Intl Airport to Bulgaria

  • When did momondo last update prices for flights from Chicago O'Hare Intl Airport to Bulgaria?

    Prices for flights from Chicago O'Hare Intl Airport to Bulgaria were last updated today.

  • How many operators does momondo search for flights from Chicago O'Hare Intl Airport to Bulgaria?

  • How old do you have to be to fly from Chicago O'Hare Intl Airport to Bulgaria?

    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 Chicago O'Hare Intl Airport to Bulgaria.

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

    The necessary travel and health documents for your Bulgaria 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 Chicago O'Hare Intl Airport to Bulgaria

Compare and see reviews for airlines that fly from Chicago O'Hare Intl Airport to Bulgaria with momondo
Airline
Rating
Free Cancellation
Price
ITA AirwaysPriceFrom $508Free CancellationRating
6.7
1,271 reviews
Search ITA Airways flights
Turkish AirlinesPriceFrom $520Free CancellationRating
7.4
4,438 reviews
Search Turkish Airlines flights
SWISSPriceFrom $565Free CancellationRating
7.5
1,985 reviews
Search SWISS flights
United AirlinesPriceFrom $566Free CancellationRating
7.4
9,927 reviews
Search United Airlines flights
Austrian AirlinesPriceFrom $575Free CancellationRating
7.6
938 reviews
Search Austrian Airlines flights
LOTPriceFrom $578Free CancellationRating
7.5
1,211 reviews
Search LOT flights
Air FrancePriceFrom $585Free CancellationRating
7.5
1,616 reviews
Search Air France flights
LufthansaPriceFrom $586Free CancellationRating
6.8
8,108 reviews
Search Lufthansa flights
British AirwaysPriceFrom $609Free CancellationRating
6.7
8,091 reviews
Search British Airways flights
KLMPriceFrom $614Free CancellationRating
7.8
1,532 reviews
Search KLM flights

Why use momondo?

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

Finding the right flight to Bulgaria from Chicago is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Bulgaria quick and easy, saving you time and money.

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

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

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

momondo helps you find the best flight between Chicago and Bulgaria 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 Chicago to Bulgaria right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of Chicago to Bulgaria flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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