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Bulgaria

$268+ 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 10/15. Fares are subject to change and may not be available on all flights or dates of travel.
IND — SOF
Jul 8 — Jul 151
Tue 7/8
Tue 7/15
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 July 3, 2025.

Round-trip from

$612
(SWISS)

One-way from

$268
(Kiwi.com)

Popular in

December

Cheapest in

February

Average price

$1,140
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. 2% potential increase in price ($25 potential increase over avg. RT price).
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Cheapest flight prices on average. 6% potential price decrease ($67 potential savings vs. average RT price).
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Average for round-trip flights in July 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 July 3, 2025.

This SWISS deal was found by Cheapflights users on 7/3. 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.
Tue 7/157:05 pmORD - SOF
2 stops32h 55mSWISS
Tue 8/2612:45 pmSOF - ORD
2 stops31h 25mSWISS
Deal found 7/3$612
This Air Canada deal was found by Cheapflights users on 7/3. 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 8/69:55 amORD - SOF
2 stops17h 20mAir Canada
Tue 8/266:00 amSOF - ORD
2 stops35h 52mAir Canada
Deal found 7/3$613
This Lufthansa deal was found by Cheapflights users on 7/3. 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.
Sat 8/99:40 pmORD - SOF
1 stop17h 20mLufthansa
Thu 8/286:00 amSOF - ORD
2 stops21h 55mLufthansa
Deal found 7/3$614
This United Airlines deal was found by Cheapflights users on 7/1. 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.
Thu 9/113:05 pmORD - SOF
1 stop12h 10mUnited Airlines
Mon 9/2912:00 pmSOF - ORD
1 stop31h 00mUnited Airlines
Deal found 7/1$615
This Turkish Airlines deal was found by Cheapflights users on 7/2. 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 Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/2611:25 amORD - SOF
1 stop25h 00mTurkish Airlines
Tue 9/93:35 pmSOF - ORD
1 stop34h 20mTurkish Airlines
Deal found 7/2$621
This CheapOair deal was found by Cheapflights users on 7/3. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/238:40 amORD - SOF
2 stops17h 25mMultiple Airlines
Wed 8/2010:50 amSOF - ORD
1 stop33h 20mMultiple Airlines
Deal found 7/3$626
This ITA Airways deal was found by Cheapflights users on 7/1. 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 ITA Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/133:00 pmORD - SOF
1 stop13h 00mITA Airways
Fri 9/196:00 pmSOF - ORD
1 stop27h 10mITA Airways
Deal found 7/1$632
This Lufthansa deal was found by Cheapflights users on 7/1. 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.
Tue 8/262:05 pmORD - BOJ
2 stops19h 30mLufthansa
Sun 9/79:10 amBOJ - ORD
1 stop35h 45mLufthansa
Deal found 7/1$635
This Cheapflightsfares deal was found by Cheapflights users on 7/2. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/294:00 pmORD - VAR
2 stops15h 15mLufthansa
Fri 10/3110:50 amVAR - ORD
2 stops17h 15mLufthansa
Deal found 7/2$638
This KLM deal was found by Cheapflights users on 7/2. 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.
Tue 8/54:20 pmORD - SOF
1 stop13h 40mKLM
Wed 8/277:00 amSOF - ORD
1 stop15h 40mKLM
Deal found 7/2$638
This United Airlines deal was found by Cheapflights users on 7/1. 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.
Wed 8/277:39 pmIND - SOF
2 stops20h 21mUnited Airlines
Fri 9/266:15 amSOF - IND
2 stops21h 46mUnited Airlines
Deal found 7/1$642
This Austrian Airlines deal was found by Cheapflights users on 7/1. 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 Austrian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/312:55 pmORD - VAR
2 stops18h 20mAustrian Airlines
Sun 12/74:00 pmVAR - ORD
2 stops34h 30mAustrian Airlines
Deal found 7/1$643

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 July 3, 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 7/15

7:05 pm-12:00 pm

2 stops32h 55m

Sofia

Tue 8/26

12:45 pm-12:10 pm

2 stops31h 25m

$612

ChicagoSofia

ORD - SOF

ORDSOF

Chicago O'Hare Intl

Wed 8/6

9:55 am-11:15 am

2 stops17h 20m

Sofia

Tue 8/26

6:00 am-9:52 am

2 stops35h 52m

$613

ChicagoSofia

ORD - SOF

ORDSOF

Chicago O'Hare Intl

Sat 8/9

9:40 pm-11:00 pm

1 stop17h 20m

Sofia

Thu 8/28

6:00 am-7:55 pm

2 stops21h 55m

$614

ChicagoSofia

ORD - SOF

ORDSOF

Chicago O'Hare Intl

Thu 9/11

3:05 pm-11:15 am

1 stop12h 10m

Sofia

Mon 9/29

12:00 pm-11:00 am

1 stop31h 00m

$615

ChicagoSofia

ORD - SOF

ORDSOF

Chicago O'Hare Intl

Tue 8/26

11:25 am-8:25 pm

1 stop25h 00m

Sofia

Wed 9/3

9:15 pm-9:40 am

1 stop20h 25m

$621

ChicagoSofia

ORD - SOF

ORDSOF

Chicago O'Hare Intl

Wed 7/23

8:40 am-10:05 am

2 stops17h 25m

Sofia

Wed 8/20

10:50 am-12:10 pm

1 stop33h 20m

$626

ChicagoSofia

ORD - SOF

ORDSOF

Chicago O'Hare Intl

Sun 7/13

3:00 pm-12:00 pm

1 stop13h 00m

Sofia

Sun 9/21

6:00 pm-1:10 pm

1 stop27h 10m

$632

ChicagoBurgas

ORD - BOJ

ORDBOJ

Chicago O'Hare Intl

Tue 8/26

2:05 pm-5:35 pm

2 stops19h 30m

Bourgas

Sun 9/7

9:10 am-12:55 pm

1 stop35h 45m

$635

ChicagoSofia

ORD - SOF

ORDSOF

Chicago O'Hare Intl

Tue 8/5

1:30 pm-2:00 pm

2 stops16h 30m

Sofia

Wed 8/27

7:00 am-2:40 pm

1 stop15h 40m

$638

ChicagoVarna

ORD - VAR

ORDVAR

Chicago O'Hare Intl

Mon 9/29

4:00 pm-3:15 pm

2 stops15h 15m

Varna

Fri 10/31

10:50 am-9:05 pm

2 stops17h 15m

$638

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/1

Showing 1-10 of 45 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 July 3, 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.

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 July 3, 2025.
Read through reviews of airlines operating flights from Indiana to Bulgaria, such as KLM, Austrian Airlines, and Air France. 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
1,367 reviews

Entertainment

7.1

Crew

8.4

Food

7.2

Comfort

7.7

Boarding

7.8

Overall

7.8

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.
KLM
7.8
Good
1,367 reviews
KLM
7.8
Good
1,367 reviews

Entertainment

7.1

Crew

8.4

Food

7.2

Comfort

7.7

Boarding

7.8

Overall

7.8

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.
Austrian Airlines
7.6
Good
809 reviews
KLM
7.8
Good
1,367 reviews

Entertainment

7.1

Crew

8.4

Food

7.2

Comfort

7.7

Boarding

7.8

Overall

7.8

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.
Air France
7.5
Good
1,465 reviews
KLM
7.8
Good
1,367 reviews

Entertainment

7.1

Crew

8.4

Food

7.2

Comfort

7.7

Boarding

7.8

Overall

7.8

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.
SWISS
7.5
Good
1,654 reviews
KLM
7.8
Good
1,367 reviews

Entertainment

7.1

Crew

8.4

Food

7.2

Comfort

7.7

Boarding

7.8

Overall

7.8

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.
United Airlines
7.4
Good
8,861 reviews
KLM
7.8
Good
1,367 reviews

Entertainment

7.1

Crew

8.4

Food

7.2

Comfort

7.7

Boarding

7.8

Overall

7.8

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.

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.

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

    To fly one-way, consider booking your trip with Lufthansa, which is currently one of the cheapest options available, starting at $347. SWISS flights start at $351 while deals on Air Canada start at $354 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 $1,189). 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

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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 July 3, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$660Average$1,258FlexibilityNo cancel feeOn-time69%
LufthansaCheapest$688Average$1,583FlexibilityNo cancel feeOn-time76%

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