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$368+ 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 5/28. Fares are subject to change and may not be available on all flights or dates of travel.
IND — SOF
May 6 — May 131
Tue 5/6
Tue 5/13
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 May 1, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$629
(FlightHub)

One-way from

$368
(Kiwi.com)

Popular in

December

Cheapest in

February

Average price

$1,274
Provider with most accurate pricing for Indianapolis-Sofia flight deals.
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Provider most trusted by Cheapflights users for Indianapolis-Sofia flights.
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From Indiana to Bulgaria
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One-way flight from Indiana to Bulgaria
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High demand for flights, 1% potential price rise
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Cheapest flight prices on average. 5% potential price decrease ($63 potential savings vs. average RT price).
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Average for round-trip flights in May 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 May 1, 2025.

This FlightHub deal was found by Cheapflights users on 5/1. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/232:20 pmORD - SOF
1 stop11h 45mMultiple Airlines
Wed 8/206:40 pmSOF - ORD
1 stop26h 15mMultiple Airlines
Deal found 5/1$629
This oojo deal was found by Cheapflights users on 4/30. 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 7/2711:25 amORD - SOF
1 stop13h 10mTurkish Airlines
Fri 10/173:35 pmSOF - ORD
1 stop26h 05mTurkish Airlines
Deal found 4/30$639
This Air Serbia deal was found by Cheapflights users on 4/30. 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.
Wed 7/234:30 pmORD - SOF
1 stop15h 05mAir Serbia
Sat 10/185:00 amSOF - ORD
1 stop24h 00mAir Serbia
Deal found 4/30$641
This CrystalTravel deal was found by Cheapflights users on 4/30. 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.
Thu 8/79:40 pmORD - SOF
1 stop13h 00mLufthansa
Sat 8/236:00 amSOF - ORD
2 stops21h 55mLufthansa
Deal found 4/30$642
This United Airlines deal was found by Cheapflights users on 4/30. 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 7/293:35 pmORD - SOF
1 stop12h 25mUnited Airlines
Wed 10/156:15 amSOF - ORD
2 stops21h 56mUnited Airlines
Deal found 4/30$644
This SWISS deal was found by Cheapflights users on 4/30. 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.
Mon 7/287:05 pmORD - SOF
1 stop31h 00mSWISS
Mon 10/203:30 pmSOF - ORD
1 stop28h 40mSWISS
Deal found 4/30$649
This British Airways deal was found by Cheapflights users on 4/30. 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 7/294:55 pmORD - SOF
1 stop19h 45mBritish Airways
Fri 9/262:20 pmSOF - ORD
2 stops26h 53mBritish Airways
Deal found 4/30$657
This Austrian Airlines deal was found by Cheapflights users on 4/30. 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.
Sun 7/204:20 pmORD - SOF
1 stop17h 50mAustrian Airlines
Mon 10/206:55 pmSOF - ORD
1 stop26h 25mAustrian Airlines
Deal found 4/30$660
This Austrian Airlines deal was found by Cheapflights users on 5/1. 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.
Fri 8/224:20 pmORD - VAR
1 stop34h 00mAustrian Airlines
Wed 9/104:00 pmVAR - ORD
1 stop29h 20mAustrian Airlines
Deal found 5/1$676
This Air Canada deal was found by Cheapflights users on 4/30. 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 7/277:04 amORD - SOF
2 stops26h 46mAir Canada
Sat 10/186:15 amSOF - ORD
2 stops21h 56mAir Canada
Deal found 4/30$679
This FlightHub deal was found by Cheapflights users on 5/1. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/711:10 amORD - VAR
2 stops20h 05mMultiple Airlines
Fri 11/74:00 pmVAR - ORD
2 stops34h 25mMultiple Airlines
Deal found 5/1$698
This Lufthansa deal was found by Cheapflights users on 5/1. 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.
Fri 8/224:00 pmORD - VAR
2 stops36h 45mLufthansa
Wed 9/104:00 pmVAR - ORD
2 stops28h 55mLufthansa
Deal found 5/1$732

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 May 1, 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

Wed 7/23

2:20 pm-10:05 am

1 stop11h 45m

Sofia

Wed 8/20

6:40 pm-12:55 pm

1 stop26h 15m

$629

ChicagoSofia

ORD - SOF

ORDSOF

Chicago O'Hare Intl

Sun 7/27

11:25 am-8:35 am

1 stop13h 10m

Sofia

Fri 10/17

3:35 pm-9:40 am

1 stop26h 05m

$639

ChicagoSofia

ORD - SOF

ORDSOF

Chicago O'Hare Intl

Wed 7/23

4:30 pm-3:35 pm

1 stop15h 05m

Sofia

Sat 10/18

5:00 am-9:00 pm

1 stop24h 00m

$641

ChicagoSofia

ORD - SOF

ORDSOF

Chicago O'Hare Intl

Thu 8/7

9:40 pm-6:40 pm

1 stop13h 00m

Sofia

Sat 8/23

6:00 am-7:55 pm

2 stops21h 55m

$642

ChicagoSofia

ORD - SOF

ORDSOF

Chicago O'Hare Intl

Tue 7/29

3:35 pm-12:00 pm

1 stop12h 25m

Sofia

Wed 10/15

6:15 am-8:11 pm

2 stops21h 56m

$644

ChicagoSofia

ORD - SOF

ORDSOF

Chicago O'Hare Intl

Mon 7/28

7:05 pm-10:05 am

1 stop31h 00m

Sofia

Mon 10/20

3:30 pm-12:10 pm

1 stop28h 40m

$649

ChicagoSofia

ORD - SOF

ORDSOF

Chicago O'Hare Intl

Tue 7/29

4:55 pm-8:40 pm

1 stop19h 45m

Sofia

Fri 9/26

2:20 pm-9:13 am

2 stops26h 53m

$657

ChicagoSofia

ORD - SOF

ORDSOF

Chicago O'Hare Intl

Sun 7/20

4:20 pm-6:10 pm

1 stop17h 50m

Sofia

Mon 10/20

6:55 pm-1:20 pm

1 stop26h 25m

$660

ChicagoVarna

ORD - VAR

ORDVAR

Chicago O'Hare Intl

Fri 8/22

4:20 pm-10:20 am

1 stop34h 00m

Varna

Wed 9/10

4:00 pm-1:20 pm

1 stop29h 20m

$676

ChicagoSofia

ORD - SOF

ORDSOF

Chicago O'Hare Intl

Sun 7/27

7:04 am-5:50 pm

2 stops26h 46m

Sofia

Sat 10/18

6:15 am-8:11 pm

2 stops21h 56m

$679

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/30

Showing 1-10 of 41 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 May 1, 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.

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 May 1, 2025.
To help decide which airline to fly from Indiana to Bulgaria, see what other customers have to say about KLM, LOT and Austrian Airlines. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
KLM
7.8
Good
1,334 reviews

Food

7.2

Overall

7.8

Boarding

7.8

Crew

8.4

Entertainment

7.1

Comfort

7.7

Reviews

1 / 20
8.0
Excellent

Anonymous,Mar 2025

LBA - AMS

Overall, the flight from Leeds Bradford to Amsterdam was at expected. The crew were efficient at boarding and professional on board. The only issue was extremely slow check in at Leeds Bradford which was very frustrating.
KLM
7.8
Good
1,334 reviews
KLM
7.8
Good
1,334 reviews

Food

7.2

Overall

7.8

Boarding

7.8

Crew

8.4

Entertainment

7.1

Comfort

7.7

Reviews

1 / 20
8.0
Excellent

Anonymous,Mar 2025

LBA - AMS

Overall, the flight from Leeds Bradford to Amsterdam was at expected. The crew were efficient at boarding and professional on board. The only issue was extremely slow check in at Leeds Bradford which was very frustrating.
LOT
7.6
Good
1,069 reviews
KLM
7.8
Good
1,334 reviews

Food

7.2

Overall

7.8

Boarding

7.8

Crew

8.4

Entertainment

7.1

Comfort

7.7

Reviews

1 / 20
8.0
Excellent

Anonymous,Mar 2025

LBA - AMS

Overall, the flight from Leeds Bradford to Amsterdam was at expected. The crew were efficient at boarding and professional on board. The only issue was extremely slow check in at Leeds Bradford which was very frustrating.
Austrian Airlines
7.6
Good
781 reviews
KLM
7.8
Good
1,334 reviews

Food

7.2

Overall

7.8

Boarding

7.8

Crew

8.4

Entertainment

7.1

Comfort

7.7

Reviews

1 / 20
8.0
Excellent

Anonymous,Mar 2025

LBA - AMS

Overall, the flight from Leeds Bradford to Amsterdam was at expected. The crew were efficient at boarding and professional on board. The only issue was extremely slow check in at Leeds Bradford which was very frustrating.
SWISS
7.5
Good
1,589 reviews
KLM
7.8
Good
1,334 reviews

Food

7.2

Overall

7.8

Boarding

7.8

Crew

8.4

Entertainment

7.1

Comfort

7.7

Reviews

1 / 20
8.0
Excellent

Anonymous,Mar 2025

LBA - AMS

Overall, the flight from Leeds Bradford to Amsterdam was at expected. The crew were efficient at boarding and professional on board. The only issue was extremely slow check in at Leeds Bradford which was very frustrating.
Air France
7.4
Good
1,446 reviews
KLM
7.8
Good
1,334 reviews

Food

7.2

Overall

7.8

Boarding

7.8

Crew

8.4

Entertainment

7.1

Comfort

7.7

Reviews

1 / 20
8.0
Excellent

Anonymous,Mar 2025

LBA - AMS

Overall, the flight from Leeds Bradford to Amsterdam was at expected. The crew were efficient at boarding and professional on board. The only issue was extremely slow check in at Leeds Bradford which was very frustrating.

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 Air Serbia, which is currently one of the cheapest options available, starting at $370. KLM flights start at $497 while deals on Lufthansa start at $550 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 $1,218). 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 May 1, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$659Average$1,204FlexibilityNo cancel feeOn-time69%
LufthansaCheapest$921Average$1,601FlexibilityNo cancel feeOn-time76%

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