Bulgaria

$335+ Cheap flights from O'Hare Intl (ORD) to Bulgaria

ORD — SOF
Dec 11 — Dec 181
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Cheap flight deals from O'Hare Intl to Bulgaria

Cheapest flights from O'Hare Intl to Bulgaria

Sun 11/2911:45 am -
1 stop25h 10m
Tue 12/159:45 pm -
1 stop20h 15m
Deal found 11/11$699
Sun 11/2911:45 am -
1 stop25h 15m
Tue 12/159:40 am -
1 stop32h 20m
Deal found 11/8$700
Tue 12/111:45 am -
1 stop25h 10m
Tue 12/159:30 am -
1 stop16h 50m
Deal found 11/9$706
Wed 12/28:15 pm -
1 stop16h 40m
Wed 12/169:45 pm -
1 stop28h 35m
Deal found 11/10$724
Wed 12/28:15 pm -
1 stop34h 55m
Tue 12/89:45 pm -
1 stop20h 15m
Deal found 11/10$726
Mon 11/3011:45 am -
1 stop19h 25m
Mon 12/149:45 pm -
1 stop28h 35m
Deal found 11/8$739
Tue 12/811:45 am -
1 stop19h 25m
Tue 12/229:45 pm -
1 stop28h 35m
Deal found 11/6$740
Sun 12/611:45 am -
1 stop19h 25m
Tue 1/194:00 pm -
1 stop34h 20m
Deal found 11/9$743
Wed 12/28:15 pm -
1 stop16h 40m
Tue 1/199:45 pm -
1 stop28h 35m
Deal found 11/9$759
Sun 12/611:45 am -
1 stop25h 15m
Sun 12/139:40 am -
1 stop32h 20m
Deal found 11/8$760
Tue 12/811:45 am -
1 stop19h 25m
Wed 1/209:30 am -
1 stop16h 50m
Deal found 11/7$760
Wed 12/99:50 pm -
1 stop17h 05m
Wed 12/162:10 pm -
1 stop13h 55m
Deal found 11/9$762

Find flight deals from O'Hare Intl to Bulgaria

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$692
(Expedia)

One-way from

$335
(Kiwi.com)

Popular in

July

Cheapest in

February

Average price

$770
Provider with most accurate pricing for Chicago (CHI)-Sofia flight deals.
Provider most trusted by Cheapflights users for Chicago (CHI)-Sofia flights.
From Chicago O'Hare Intl to Bulgaria
One-way flight from Chicago O'Hare Intl to Bulgaria
Highest demand for flights based on searches. 20% potential increase in price ($212 potential increase over avg. RT price).
Cheapest flight prices on average. 3% potential price decrease ($30 potential savings vs. average RT price).
Average for round-trip flights in November 2026

Cheapflights Fare Finder

 
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

ChicagoSofia

ORD Chicago O'Hare Intl - SOF Sofia

ORDSOF

Chicago O'Hare Intl

Thu 12/3

11:45 am-3:10 pm

1 stop19h 25m

Sofia

Wed 12/31

12:00 am-4:00 pm

Nonstop0h 00m

$448

ChicagoSofia

ORD Chicago O'Hare Intl - SOF Sofia

ORDSOF

Chicago O'Hare Intl

Fri 12/11

6:30 pm-8:35 am

3 stops30h 05m

Sofia

Wed 12/31

12:00 am-4:00 pm

Nonstop0h 00m

$502

ChicagoVarna

ORD Chicago O'Hare Intl - VAR Varna

ORDVAR

Chicago O'Hare Intl

Tue 1/5

11:45 am-8:50 am

1 stop13h 05m

Varna

Wed 12/31

12:00 am-4:00 pm

Nonstop0h 00m

$528

ChicagoSofia

ORD Chicago O'Hare Intl - SOF Sofia

ORDSOF

Chicago O'Hare Intl

Tue 12/8

5:10 pm-8:10 pm

1 stop19h 00m

Sofia

Wed 12/31

12:00 am-4:00 pm

Nonstop0h 00m

$544

ChicagoSofia

ORD Chicago O'Hare Intl - SOF Sofia

ORDSOF

Chicago O'Hare Intl

Sun 12/13

5:55 am-1:15 pm

2 stops23h 20m

Sofia

Wed 12/31

12:00 am-4:00 pm

Nonstop0h 00m

$554
Quickest round-trip

ChicagoSofia

ORD Chicago O'Hare Intl - SOF Sofia

ORDSOF

Chicago O'Hare Intl

Wed 12/9

6:00 pm-1:15 pm

1 stop11h 15m

Sofia

Wed 12/31

12:00 am-4:00 pm

Nonstop0h 00m

$554

ChicagoSofia

ORD Chicago O'Hare Intl - SOF Sofia

ORDSOF

Chicago O'Hare Intl

Sat 12/12

7:54 pm-1:15 pm

2 stops33h 21m

Sofia

Wed 12/31

12:00 am-4:00 pm

Nonstop0h 00m

$575

ChicagoVarna

ORD Chicago O'Hare Intl - VAR Varna

ORDVAR

Chicago O'Hare Intl

Wed 1/6

1:55 pm-3:15 pm

2 stops17h 20m

Varna

Wed 12/31

12:00 am-4:00 pm

Nonstop0h 00m

$582

ChicagoSofia

ORD Chicago O'Hare Intl - SOF Sofia

ORDSOF

Chicago O'Hare Intl

Sat 12/12

5:10 pm-6:35 pm

1 stop17h 25m

Sofia

Wed 12/31

12:00 am-4:00 pm

Nonstop0h 00m

$593

ChicagoSofia

ORD Chicago O'Hare Intl - SOF Sofia

ORDSOF

Chicago O'Hare Intl

Thu 12/10

8:45 am-1:15 pm

2 stops20h 30m

Sofia

Wed 12/31

12:00 am-4:00 pm

Nonstop0h 00m

$611

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/9

Showing 1-10 of 31 resultsSorted by cheapest first
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Best time to book a flight from O'Hare Intl to Bulgaria

Have a flexible travel schedule? Discover the best time to fly to Bulgaria from O'Hare Intl with our price prediction graph.
Estimated round-trip price

Cheapflights Insights

Everything you need to know about your flight from Chicago O'Hare Intl Airport to Bulgaria

What is the cheapest month to book a flight from Chicago O'Hare Intl Airport to Bulgaria?

Currently, February is the cheapest month in which you can book a flight from Chicago O'Hare Intl Airport to Bulgaria (average of $586). Flying from Chicago O'Hare Intl Airport to Bulgaria in June is currently the most expensive (average of $1,189). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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

The best time to book flights from Chicago O'Hare Intl Airport to Bulgaria is 73 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

Reviews of airlines servicing Bulgaria

Read reviews from past customers who have flown LOT,Austrian Airlines, andTurkish Airlines from Chicago O'Hare Intl Airport to Bulgaria. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.

Boarding

7.6

Crew

8.2

Entertainment

6.9

Comfort

7.4

Overall

7.5

Food

7.2

Reviews

1 / 20
10.0
Excellent

Rami,Sep 2025

LAX - WAW

The second leg. Very tight seats No WiFi on both flights

Boarding

7.6

Crew

8.2

Entertainment

6.9

Comfort

7.4

Overall

7.5

Food

7.2

Reviews

1 / 20
10.0
Excellent

Rami,Sep 2025

LAX - WAW

The second leg. Very tight seats No WiFi on both flights

Boarding

7.6

Crew

8.2

Entertainment

6.9

Comfort

7.4

Overall

7.5

Food

7.2

Reviews

1 / 20
10.0
Excellent

Rami,Sep 2025

LAX - WAW

The second leg. Very tight seats No WiFi on both flights

Boarding

7.6

Crew

8.2

Entertainment

6.9

Comfort

7.4

Overall

7.5

Food

7.2

Reviews

1 / 20
10.0
Excellent

Rami,Sep 2025

LAX - WAW

The second leg. Very tight seats No WiFi on both flights

Boarding

7.6

Crew

8.2

Entertainment

6.9

Comfort

7.4

Overall

7.5

Food

7.2

Reviews

1 / 20
10.0
Excellent

Rami,Sep 2025

LAX - WAW

The second leg. Very tight seats No WiFi on both flights

Boarding

7.6

Crew

8.2

Entertainment

6.9

Comfort

7.4

Overall

7.5

Food

7.2

Reviews

1 / 20
10.0
Excellent

Rami,Sep 2025

LAX - WAW

The second leg. Very tight seats No WiFi on both flights

Related info for your journey

  • How long is the flight from Chicago O'Hare Intl Airport to Bulgaria?

    For as low as $790, Turkish Airlines can have you in Bulgaria from Chicago O'Hare Intl Airport in 15h 08m. Chicago O'Hare Intl Airport and Bulgaria are separated by a distance of 5194 mi. This flight may include one or multiple stops.

  • What are the cheapest airlines to fly from Chicago O'Hare Intl Airport to Bulgaria one-way?

    $353 is the cheapest one-way deal found within the past few days, from Air Serbia. You may also be able to find cheap deals on Turkish Airlines and Lufthansa, with prices starting from $396 and $429, respectively.

  • What are the most popular routes from Chicago O'Hare Intl Airport to Bulgaria?

  • Can I find deals for flights from O'Hare Intl to Bulgaria that include hotel bookings?

    Yes. In addition to deals on O'Hare Intl to Bulgaria flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from O'Hare Intl to Bulgaria?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from O'Hare Intl to Bulgaria.

  • Can I find deals for business class flights from O'Hare Intl to Bulgaria?

    Yes. Cheapflights offers flight deals from O'Hare Intl to Bulgaria by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Chicago O'Hare Intl Airport to Bulgaria?

    Currently, February is the cheapest month in which you can book a flight from Chicago O'Hare Intl Airport to Bulgaria (average of $586). Flying from Chicago O'Hare Intl Airport to Bulgaria in June is currently the most expensive (average of $1,189). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Top 10 airlines flying from O'Hare Intl to Bulgaria

AirlineCheapestAverageFlexibilityOn-time
JetBlueCheapest$451Average$1,024FlexibilityNo cancel feeOn-time62%
Turkish AirlinesCheapest$532Average$861FlexibilityNo cancel feeOn-time77%
British AirwaysCheapest$573Average$846FlexibilityNo cancel feeOn-time70%
Air FranceCheapest$583Average$895FlexibilityNo cancel feeOn-time77%
LOTCheapest$589Average$1,066FlexibilityNo cancel feeOn-time81%
United AirlinesCheapest$610Average$1,057FlexibilityNo cancel feeOn-time69%
SWISSCheapest$612Average$985FlexibilityNo cancel feeOn-time79%
KLMCheapest$617Average$904FlexibilityNo cancel feeOn-time75%
LufthansaCheapest$639Average$1,045FlexibilityNo cancel feeOn-time76%
Air SerbiaCheapest$726Average$882FlexibilityNo cancel feeOn-timeN/A

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