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$326+ Cheap flights from O'Hare Intl (ORD) to Bulgaria

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 3/10. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — SOF
Feb 25 — Mar 41
Tue 2/25
Tue 3/4
1 adult, Economy
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Cheap flight deals from O'Hare Intl to Bulgaria

Keep the following information in mind while searching for O'Hare Intl to Bulgaria flight deals. Data was last updated February 20, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$554
(FlightHub)

One-way from

$326
(Kiwi.com)

Popular in

June

Cheapest in

February

Average price

$573
Provider with most accurate pricing for Chicago (CHI)-Sofia flight deals.
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Provider most trusted by Cheapflights users for Chicago (CHI)-Sofia flights.
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From Chicago O'Hare Intl to Bulgaria
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One-way flight from Chicago O'Hare Intl to Bulgaria
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Highest demand for flights based on searches. 29% potential increase in price ($335 potential increase over avg. RT price).
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Cheapest flight prices on average. 5% potential price decrease ($40 potential savings vs. average RT price).
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Average for round-trip flights in February 2025
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Find flight deals from O'Hare Intl to Bulgaria

Cheapest flights from O'Hare Intl to Bulgaria
Explore the most affordable flight options available from O'Hare Intl to Bulgaria. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 20, 2025.

This oojo deal was found by Cheapflights users on 2/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/2211:55 amORD - SOF
1 stop13h 00mTurkish Airlines
Wed 3/123:55 pmSOF - ORD
1 stop26h 15mTurkish Airlines
Deal found 2/18$555
This American Airlines deal was found by Cheapflights users on 2/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/169:15 pmORD - SOF
1 stop12h 05mAmerican Airlines
Mon 3/318:00 pmSOF - ORD
1 stop23h 50mAmerican Airlines
Deal found 2/19$585
This FlightHub deal was found by Cheapflights users on 2/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/1310:55 pmORD - SOF
1 stop11h 55mLOT
Mon 3/316:40 pmSOF - ORD
1 stop33h 00mLOT
Deal found 2/19$590
This KLM deal was found by Cheapflights users on 2/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/301:26 pmORD - SOF
2 stops16h 34mKLM
Wed 4/97:00 amSOF - ORD
2 stops18h 22mKLM
Deal found 2/19$609
This Kiwi.com deal was found by Cheapflights users on 2/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/312:20 pmORD - SOF
1 stop14h 10mMultiple Airlines
Fri 4/188:00 amSOF - ORD
1 stop13h 20mMultiple Airlines
Deal found 2/20$631
This Air Serbia deal was found by Cheapflights users on 2/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Serbia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/85:30 pmORD - SOF
1 stop25h 30mAir Serbia
Tue 4/224:05 pmSOF - ORD
1 stop30h 20mAir Serbia
Deal found 2/19$632
This United Airlines deal was found by Cheapflights users on 2/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/232:05 pmORD - SOF
2 stops25h 20mUnited Airlines
Sun 4/66:20 amSOF - ORD
1 stop16h 25mUnited Airlines
Deal found 2/20$646
This Lufthansa deal was found by Cheapflights users on 2/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/2610:25 pmORD - SOF
1 stop12h 45mLufthansa
Thu 4/1712:45 pmSOF - ORD
1 stop13h 30mLufthansa
Deal found 2/20$647
This SWISS deal was found by Cheapflights users on 2/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure SWISS is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/306:35 pmORD - SOF
2 stops33h 25mSWISS
Mon 4/143:30 pmSOF - ORD
1 stop28h 40mSWISS
Deal found 2/20$662
This Air Canada deal was found by Cheapflights users on 2/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/193:35 pmORD - SOF
2 stops13h 25mAir Canada
Tue 3/112:15 pmSOF - ORD
2 stops25h 46mAir Canada
Deal found 2/18$669
This oojo deal was found by Cheapflights users on 2/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/299:15 pmORD - SOF
1 stop15h 05mBritish Airways
Wed 9/109:30 pmSOF - ORD
1 stop24h 25mBritish Airways
Deal found 2/19$721
This Billigflug deal was found by Cheapflights users on 2/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Billigflug is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/64:20 pmORD - VAR
1 stop14h 55mAustrian Airlines
Sun 4/134:00 pmVAR - ORD
1 stop29h 20mAustrian Airlines
Deal found 2/20$735

Find flights from O'Hare Intl to Bulgaria within your budget

Customize your flight search to find flights from O'Hare Intl 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, Cheapflights users made 2,558,603 searches. Data last updated February 20, 2025.

Fly from

O'Hare Intl

Fly to

Bulgaria

Route

Depart

Return

Price

ChicagoSofia

ORD - SOF

ORDSOF

Chicago O'Hare Intl

Wed 3/12

12:55 pm-8:50 pm

1 stop24h 55m

Sofia

Mon 6/2

3:35 pm-5:55 pm

1 stop34h 20m

$555

ChicagoSofia

ORD - SOF

ORDSOF

Chicago O'Hare Intl

Sun 3/16

9:15 pm-4:20 pm

1 stop12h 05m

Sofia

Mon 3/31

8:00 pm-11:50 am

1 stop23h 50m

$585

ChicagoSofia

ORD - SOF

ORDSOF

Chicago O'Hare Intl

Thu 3/13

10:55 pm-5:50 pm

1 stop11h 55m

Sofia

Mon 3/31

6:40 pm-7:40 pm

1 stop33h 00m

$590

ChicagoSofia

ORD - SOF

ORDSOF

Chicago O'Hare Intl

Wed 3/12

5:25 pm-2:05 pm

1 stop13h 40m

Sofia

Wed 3/26

7:00 am-5:43 pm

2 stops17h 43m

$598

ChicagoSofia

ORD - SOF

ORDSOF

Chicago O'Hare Intl

Mon 3/31

2:20 pm-12:30 pm

1 stop14h 10m

Sofia

Fri 4/18

8:00 am-1:20 pm

1 stop13h 20m

$631

ChicagoSofia

ORD - SOF

ORDSOF

Chicago O'Hare Intl

Sat 3/8

5:30 pm-3:00 am

1 stop25h 30m

Sofia

Tue 4/22

4:05 pm-2:25 pm

1 stop30h 20m

$632

ChicagoSofia

ORD - SOF

ORDSOF

Chicago O'Hare Intl

Sun 3/23

2:05 pm-10:25 pm

2 stops25h 20m

Sofia

Sun 4/6

6:20 am-2:45 pm

1 stop16h 25m

$646

ChicagoSofia

ORD - SOF

ORDSOF

Chicago O'Hare Intl

Wed 3/26

10:25 pm-6:10 pm

1 stop12h 45m

Sofia

Thu 4/17

12:45 pm-6:15 pm

1 stop13h 30m

$647

ChicagoSofia

ORD - SOF

ORDSOF

Chicago O'Hare Intl

Sun 3/30

6:35 pm-12:00 pm

2 stops33h 25m

Sofia

Wed 4/16

10:50 am-3:55 pm

1 stop13h 05m

$662

ChicagoSofia

ORD - SOF

ORDSOF

Chicago O'Hare Intl

Mon 3/31

11:35 am-1:00 pm

2 stops17h 25m

Sofia

Wed 6/11

12:00 pm-7:59 am

2 stops27h 59m

$694

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/20

Showing 1-10 of 25 results
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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
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Travel insights for flights from O'Hare Intl to Bulgaria

Get recent, data-driven insights about flights from O'Hare Intl to Bulgaria including ideal travel times, pricing trends, and more.

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

Currently, November is the cheapest month in which you can book a flight from Chicago O'Hare Intl Airport to Bulgaria (average of $632). Flying from Chicago O'Hare Intl Airport to Bulgaria in June is currently the most expensive (average of $1,243). 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.

What is the cheapest time of day to fly from ORD to BG?

Find hourly flight availability from O'Hare Intl to Bulgaria. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated February 20, 2025.

When flying from Chicago O'Hare Intl Airport to Bulgaria, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Rainfall in Bulgaria by month

Plan your trip to Bulgaria by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Bulgaria ranges from 1.2 - 2.8 inches per month. June is typically the wettest month, when rainfall can reach 2.8 in. January is typically the driest time to visit Bulgaria when rainfall is around 1.2 in.

Temperature in Bulgaria by month

Plan your trip to Bulgaria by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Bulgaria, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 68.0 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 30.2 F).

Reviews of airlines servicing Bulgaria

Get insights into the airlines that provide service to Bulgaria. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Bulgaria. Reviews last updated February 20, 2025.
Peruse reviews from past customers who have flown with KLM, LOT and Austrian Airlines from Chicago to Bulgaria to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
KLM
7.8
Good
1,333 reviews

Comfort

7.7

Food

7.3

Entertainment

7.2

Overall

7.8

Crew

8.4

Boarding

7.8

Reviews

1 / 20

8.0
Excellent

Anonymous,Dec 2024

YWG - YYZ

I could not select a seat prior to check in as systems not integrated. Different PNRs should be on reservation which would make process easier.

KLM
7.8
Good
1,333 reviews
KLM
7.8
Good
1,333 reviews

Comfort

7.7

Food

7.3

Entertainment

7.2

Overall

7.8

Crew

8.4

Boarding

7.8

Reviews

1 / 20

8.0
Excellent

Anonymous,Dec 2024

YWG - YYZ

I could not select a seat prior to check in as systems not integrated. Different PNRs should be on reservation which would make process easier.

LOT
7.6
Good
1,080 reviews
KLM
7.8
Good
1,333 reviews

Comfort

7.7

Food

7.3

Entertainment

7.2

Overall

7.8

Crew

8.4

Boarding

7.8

Reviews

1 / 20

8.0
Excellent

Anonymous,Dec 2024

YWG - YYZ

I could not select a seat prior to check in as systems not integrated. Different PNRs should be on reservation which would make process easier.

Austrian Airlines
7.6
Good
773 reviews
KLM
7.8
Good
1,333 reviews

Comfort

7.7

Food

7.3

Entertainment

7.2

Overall

7.8

Crew

8.4

Boarding

7.8

Reviews

1 / 20

8.0
Excellent

Anonymous,Dec 2024

YWG - YYZ

I could not select a seat prior to check in as systems not integrated. Different PNRs should be on reservation which would make process easier.

SWISS
7.5
Good
1,568 reviews
KLM
7.8
Good
1,333 reviews

Comfort

7.7

Food

7.3

Entertainment

7.2

Overall

7.8

Crew

8.4

Boarding

7.8

Reviews

1 / 20

8.0
Excellent

Anonymous,Dec 2024

YWG - YYZ

I could not select a seat prior to check in as systems not integrated. Different PNRs should be on reservation which would make process easier.

United Airlines
7.4
Good
8,766 reviews
KLM
7.8
Good
1,333 reviews

Comfort

7.7

Food

7.3

Entertainment

7.2

Overall

7.8

Crew

8.4

Boarding

7.8

Reviews

1 / 20

8.0
Excellent

Anonymous,Dec 2024

YWG - YYZ

I could not select a seat prior to check in as systems not integrated. Different PNRs should be on reservation which would make process easier.

Related info for your journey

Find useful and relevant information for your journey from O'Hare Intl to Bulgaria. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

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

    $705 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 ITA Airways and Turkish Airlines, with prices starting from $826 and $860, respectively.

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

    The most popular flight routes from Chicago O'Hare Intl Airport to Bulgaria are Chicago O'Hare Intl - Sofia, Chicago O'Hare Intl - Varna and Chicago O'Hare Intl - Bourgas.

  • 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, November is the cheapest month in which you can book a flight from Chicago O'Hare Intl Airport to Bulgaria (average of $632). Flying from Chicago O'Hare Intl Airport to Bulgaria in June is currently the most expensive (average of $1,243). 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.

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Alternative routes for O'Hare Intl to Bulgaria

See prices for flight routes from nearby airports that may be better suited for you.
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Top 10 airlines flying from O'Hare Intl to Bulgaria

Discover the top 10 airlines that operate flights from O'Hare Intl to Bulgaria. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated February 20, 2025.
AirlineCheapestAverageFlexibilityOn-time
Turkish AirlinesCheapest$502Average$957FlexibilityNo cancel feeOn-time77%
British AirwaysCheapest$529Average$915FlexibilityNo cancel feeOn-time70%
Austrian AirlinesCheapest$564Average$807FlexibilityNo cancel feeOn-time78%
KLMCheapest$569Average$738FlexibilityNo cancel feeOn-time75%
LOTCheapest$582Average$878FlexibilityNo cancel feeOn-time81%
LufthansaCheapest$615Average$1,085FlexibilityNo cancel feeOn-time76%
United AirlinesCheapest$637Average$904FlexibilityNo cancel feeOn-time69%
ITA AirwaysCheapest$650Average$817FlexibilityNo cancel feeOn-time81%
Air CanadaCheapest$682Average$984FlexibilityNo cancel feeOn-time67%
SWISSCheapest$715Average$1,124FlexibilityNo cancel feeOn-time79%
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