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Bulgaria

$219+ Cheap flights from Indiana 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 10/8. Fares are subject to change and may not be available on all flights or dates of travel.
IND — SOF
Oct 13 — Oct 201
Mon 10/13
Mon 10/20
1 adult, Economy
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Cheap flight deals from Indiana to Bulgaria

Keep the following information in mind while searching for Indiana to Bulgaria flight deals. Data was last updated September 13, 2025.

Round-trip from

$543
(FlightHub)

One-way from

$219
(Kiwi.com)

Popular in

December

Cheapest in

February

Average price

$706
From Indiana to Bulgaria
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One-way flight from Indiana to Bulgaria
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Highest demand for flights based on searches. 9% potential increase in price ($112 potential increase over avg. RT price).
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Cheapest flight prices on average. 7% potential price decrease ($75 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Find flight deals from Indiana to Bulgaria

Cheapest flights from Indiana to Bulgaria
Explore the most affordable flight options available from Indiana to Bulgaria. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 13, 2025.

This FlightHub deal was found by Cheapflights users on 9/11. 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.
Sun 12/289:55 pmORD - SOF
2 stops35h 55mLOT
Mon 3/26:35 pmSOF - ORD
1 stop33h 25mLOT
Deal found 9/11$543
This Mytrip deal was found by Cheapflights users on 9/13. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/56:50 pmORD - SOF
2 stops15h 30mMultiple Airlines
Wed 11/196:10 amSOF - ORD
2 stops21h 50mMultiple Airlines
Deal found 9/13$545
This CrystalTravel deal was found by Cheapflights users on 9/12. 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 CrystalTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/159:40 pmORD - SOF
1 stop12h 15mLOT
Mon 10/205:20 amSOF - ORD
1 stop22h 20mLOT
Deal found 9/12$546
This British Airways deal was found by Cheapflights users on 9/12. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/2810:45 pmORD - SOF
1 stop14h 25mBritish Airways
Wed 11/59:00 pmSOF - ORD
1 stop29h 45mBritish Airways
Deal found 9/12$548
This Mytrip deal was found by Cheapflights users on 9/12. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/46:50 pmORD - SOF
2 stops15h 30mMultiple Airlines
Tue 11/186:00 amSOF - ORD
2 stops16h 55mMultiple Airlines
Deal found 9/12$549
This United Airlines deal was found by Cheapflights users on 9/12. 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.
Mon 10/2710:50 pmORD - SOF
1 stop12h 30mUnited Airlines
Fri 11/76:10 amSOF - ORD
2 stops21h 50mUnited Airlines
Deal found 9/12$551
This oojo deal was found by Cheapflights users on 9/13. 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.
Sun 11/29:55 pmORD - SOF
2 stops35h 55mLOT
Sun 11/166:35 pmSOF - ORD
2 stops33h 20mLOT
Deal found 9/13$552
This United Airlines deal was found by Cheapflights users on 9/12. 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.
Tue 10/281:00 pmORD - SOF
2 stops17h 15mUnited Airlines
Wed 11/56:10 amSOF - ORD
1 stop21h 55mUnited Airlines
Deal found 9/12$555
This Mytrip deal was found by Cheapflights users on 9/12. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/197:05 pmORD - SOF
2 stops32h 55mMultiple Airlines
Tue 11/46:00 amSOF - ORD
2 stops21h 30mMultiple Airlines
Deal found 9/12$556
This LOT deal was found by Cheapflights users on 9/12. 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 LOT is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/3110:55 pmORD - SOF
1 stop31h 55mLOT
Sat 11/82:35 pmSOF - ORD
1 stop13h 25mLOT
Deal found 9/12$557
This Air Canada deal was found by Cheapflights users on 9/12. 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.
Sun 11/1612:50 pmORD - SOF
2 stops16h 20mAir Canada
Fri 3/66:10 amSOF - ORD
2 stops21h 20mAir Canada
Deal found 9/12$558
This Mytrip deal was found by Cheapflights users on 9/12. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/56:30 pmORD - SOF
2 stops16h 15mMultiple Airlines
Mon 11/106:15 amSOF - ORD
2 stops19h 05mMultiple Airlines
Deal found 9/12$559

Cheapflights Fare Finder

 
Customize your flight search to find flights from Indiana 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 September 13, 2025.
Use the filters below to find and compare flights from Indiana to Bulgaria that are best for you.

Fly from

Indiana

Fly to

Bulgaria

Route

Depart

Return

Price

ChicagoSofia

ORD - SOF

ORDSOF

Chicago O'Hare Intl

Tue 11/4

6:00 pm-1:15 pm

1 stop11h 15m

Sofia

Tue 11/18

6:00 am-2:55 pm

2 stops16h 55m

$551

ChicagoSofia

ORD - SOF

ORDSOF

Chicago O'Hare Intl

Wed 3/11

7:00 pm-6:20 pm

1 stop16h 20m

Sofia

Wed 3/25

6:10 am-11:18 am

2 stops36h 08m

$552

ChicagoSofia

ORD - SOF

ORDSOF

Chicago O'Hare Intl

Tue 3/10

6:50 pm-6:20 pm

2 stops16h 30m

Sofia

Tue 3/24

6:00 am-6:27 pm

2 stops19h 27m

$556

ChicagoSofia

ORD - SOF

ORDSOF

Chicago O'Hare Intl

Mon 2/9

5:52 pm-1:45 pm

2 stops35h 53m

Sofia

Mon 2/23

3:00 pm-4:20 pm

1 stop33h 20m

$563

ChicagoSofia

ORD - SOF

ORDSOF

Chicago O'Hare Intl

Mon 10/13

4:20 pm-11:40 am

1 stop11h 20m

Sofia

Wed 11/5

6:05 am-1:10 pm

2 stops15h 05m

$569

ChicagoSofia

ORD - SOF

ORDSOF

Chicago O'Hare Intl

Fri 10/31

2:39 pm-1:15 pm

2 stops15h 36m

Sofia

Fri 11/14

6:10 am-1:10 pm

1 stop15h 00m

$596

ChicagoSofia

ORD - SOF

ORDSOF

Chicago O'Hare Intl

Fri 1/9

12:50 pm-1:35 pm

2 stops16h 45m

Sofia

Fri 1/23

6:10 am-8:00 pm

2 stops21h 50m

$596

ChicagoSofia

ORD - SOF

ORDSOF

Chicago O'Hare Intl

Sat 10/11

8:25 pm-11:15 am

2 stops30h 50m

Sofia

Sat 11/1

6:25 am-12:18 pm

2 stops36h 53m

$601

ChicagoVarna

ORD - VAR

ORDVAR

Chicago O'Hare Intl

Wed 12/3

4:20 pm-5:20 pm

1 stop17h 00m

Varna

Sun 12/7

4:00 pm-1:10 pm

2 stops53h 10m

$604

ChicagoSofia

ORD - SOF

ORDSOF

Chicago O'Hare Intl

Sat 1/10

6:17 pm-1:10 pm

2 stops34h 53m

Sofia

Sat 1/24

6:25 am-6:51 pm

2 stops20h 26m

$607

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/11

Showing 1-10 of 60 results
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Best time to book a flight from Indiana to Bulgaria

Have a flexible travel schedule? Discover the best time to fly to Bulgaria from Indiana 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.

Cheapflights Insights

Everything you need to know about your flight from Indiana to Bulgaria

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

Find hourly flight availability from Indiana 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 September 13, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Indiana to Bulgaria as you normally would.

Related info for your journey

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

  • How long is the flight from Indiana to Bulgaria?

    There are many flights that can get you from Indiana to Bulgaria in 11h 15m. Fly via United Airlines, Lufthansa, or KLM to get the fastest option. The distance from Indiana to Bulgaria is about 5194 mi. This flight may include one or multiple stops.

  • What are the cheapest airlines to fly from Indiana to Bulgaria one-way?

    To fly one-way, consider booking your trip with Air Serbia, which is currently one of the cheapest options available, starting at $353. United Airlines flights start at $478 while deals on Lufthansa start at $497 one-way.

  • Can I find deals for flights from Indiana to Bulgaria that include hotel bookings?

    Yes. In addition to deals on Indiana to Bulgaria flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Indiana to Bulgaria?

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

  • Can I find deals for business class flights from Indiana to Bulgaria?

    Yes. Cheapflights offers flight deals from Indiana 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 Indiana to Bulgaria?

    Currently, November is the cheapest month in which you can book a flight from Indiana to Bulgaria (average of $632). Flying from Indiana to Bulgaria in June is currently the most expensive (average of $1,185). 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

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Alternative routes for Indiana to Bulgaria

See prices for flight routes from nearby airports that may be better suited for you.
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Top 2 airlines flying from Indiana to Bulgaria

Discover the top 2 airlines that operate flights from Indiana 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 September 13, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$628Average$1,210FlexibilityNo cancel feeOn-time69%
LufthansaCheapest$688Average$1,262FlexibilityNo cancel feeOn-time76%

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