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Sofia

$246+ Cheap flights from Indiana to Sofia (SOF)

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 10/4. Fares are subject to change and may not be available on all flights or dates of travel.
IND — SOF
Aug 5 — Aug 121
Tue 8/5
Tue 8/12
1 adult, Economy
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Cheap flight deals from Indiana to Sofia

Keep the following information in mind while searching for Indiana to Sofia flight deals. Data was last updated July 31, 2025.

Round-trip from

$559
(CheapOair)

One-way from

$250
(Kiwi.com)

Popular in

December

Cheapest in

September

Average price

$972
From Indiana to Sofia
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One-way flight from Indiana to Sofia
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Highest demand for flights based on searches. 5% potential increase in price ($65 potential increase over avg. RT price).
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Cheapest flight prices on average. 7% potential price decrease ($71 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 Sofia

Cheapest flights from Indiana to Sofia
Explore the most affordable flight options available from Indiana to Sofia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 31, 2025.

This CheapOair deal was found by Cheapflights users on 7/31. 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 9/310:40 amORD - SOF
2 stops15h 25mMultiple Airlines
Wed 9/176:00 amSOF - ORD
1 stop14h 30mMultiple Airlines
Deal found 7/31$559
This SWISS deal was found by Cheapflights users on 7/31. 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 9/227:05 pmORD - SOF
2 stops32h 55mSWISS
Mon 10/612:45 pmSOF - ORD
2 stops35h 10mSWISS
Deal found 7/31$560
This Turkish Airlines deal was found by Cheapflights users on 7/31. 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.
Mon 8/1111:45 pmORD - SOF
1 stop31h 00mTurkish Airlines
Wed 9/173:35 pmSOF - ORD
1 stop26h 05mTurkish Airlines
Deal found 7/31$563
This Orbitz deal was found by Cheapflights users on 7/30. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/54:55 pmORD - SOF
1 stop18h 15mBritish Airways
Wed 2/259:00 pmSOF - ORD
2 stops30h 18mBritish Airways
Deal found 7/30$566
This Lufthansa deal was found by Cheapflights users on 7/31. 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.
Sun 8/173:35 pmORD - SOF
1 stop12h 25mLufthansa
Wed 9/176:00 amSOF - ORD
1 stop14h 30mLufthansa
Deal found 7/31$577
This United Airlines deal was found by Cheapflights users on 7/31. 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 9/169:40 pmORD - SOF
1 stop17h 20mUnited Airlines
Sat 9/276:15 amSOF - ORD
2 stops20h 19mUnited Airlines
Deal found 7/31$581
This Mytrip deal was found by Cheapflights users on 7/31. 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.
Thu 8/218:40 amORD - SOF
2 stops25h 10mAir Canada
Thu 9/46:00 amSOF - ORD
2 stops35h 51mAir Canada
Deal found 7/31$586
This deal was found by Cheapflights users on 7/31. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/164:20 pmORD - SOF
1 stop15h 00mAustrian Airlines
Mon 10/68:00 amSOF - ORD
1 stop13h 20mAustrian Airlines
Deal found 7/31$587
This FlightHub deal was found by Cheapflights users on 7/31. 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 10/82:25 pmIND - SOF
2 stops14h 35mLufthansa
Fri 10/246:15 amSOF - IND
2 stops22h 41mLufthansa
Deal found 7/31$640
This United Airlines deal was found by Cheapflights users on 7/30. 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.
Wed 10/87:15 amIND - SOF
2 stops21h 45mUnited Airlines
Fri 10/246:15 amSOF - IND
2 stops24h 29mUnited Airlines
Deal found 7/30$645
This United Airlines deal was found by Cheapflights users on 7/29. 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 11/123:18 pmSBN - SOF
2 stops20h 02mUnited Airlines
Sun 11/166:15 amSOF - SBN
2 stops20h 37mUnited Airlines
Deal found 7/29$666
This United Airlines deal was found by Cheapflights users on 7/30. 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 10/711:20 amCVG - SOF
2 stops17h 40mUnited Airlines
Tue 10/146:20 amSOF - CVG
2 stops21h 07mUnited Airlines
Deal found 7/30$685

Cheapflights Fare Finder

 
Customize your flight search to find flights from Indiana to Sofia 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 31, 2025.
Use the filters below to find and compare flights from Indiana to Sofia that are best for you.

Fly from

Indiana

Fly to

Sofia

Route

Depart

Return

Price

ChicagoSofia

ORD - SOF

ORDSOF

Chicago O'Hare Intl

Wed 9/3

10:40 am-10:05 am

2 stops15h 25m

Sofia

Wed 9/17

6:00 am-12:30 pm

1 stop14h 30m

$559

ChicagoSofia

ORD - SOF

ORDSOF

Chicago O'Hare Intl

Mon 9/22

7:05 pm-12:00 pm

2 stops32h 55m

Sofia

Mon 10/6

12:45 pm-3:55 pm

2 stops35h 10m

$560

ChicagoSofia

ORD - SOF

ORDSOF

Chicago O'Hare Intl

Mon 8/11

11:45 pm-2:45 pm

1 stop31h 00m

Sofia

Wed 9/17

3:35 pm-9:40 am

1 stop26h 05m

$563

ChicagoSofia

ORD - SOF

ORDSOF

Chicago O'Hare Intl

Sun 10/5

4:55 pm-7:10 pm

1 stop18h 15m

Sofia

Wed 2/25

9:00 pm-7:18 pm

2 stops30h 18m

$566

ChicagoSofia

ORD - SOF

ORDSOF

Chicago O'Hare Intl

Sun 8/17

3:35 pm-12:00 pm

1 stop12h 25m

Sofia

Wed 9/17

6:00 am-12:30 pm

1 stop14h 30m

$577

ChicagoSofia

ORD - SOF

ORDSOF

Chicago O'Hare Intl

Tue 9/16

9:40 pm-11:00 pm

1 stop17h 20m

Sofia

Sat 9/27

6:15 am-6:34 pm

2 stops20h 19m

$581

ChicagoSofia

ORD - SOF

ORDSOF

Chicago O'Hare Intl

Thu 8/21

8:40 am-5:50 pm

2 stops25h 10m

Sofia

Thu 9/4

6:00 am-9:51 am

2 stops35h 51m

$586

ChicagoSofia

ORD - SOF

ORDSOF

Chicago O'Hare Intl

Tue 9/16

4:20 pm-3:20 pm

1 stop15h 00m

Sofia

Mon 10/6

8:00 am-1:20 pm

1 stop13h 20m

$587

IndianapolisSofia

IND - SOF

INDSOF

Indianapolis

Wed 10/8

2:25 pm-12:00 pm

2 stops14h 35m

Sofia

Fri 10/24

6:15 am-9:56 pm

2 stops22h 41m

$640

IndianapolisSofia

IND - SOF

INDSOF

Indianapolis

Wed 10/8

7:15 am-12:00 pm

2 stops21h 45m

Sofia

Fri 10/24

6:15 am-11:44 pm

2 stops24h 29m

$645

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/31

Showing 1-10 of 27 results
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2
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Best time to book a flight from Indiana to Sofia

Have a flexible travel schedule? Discover the best time to fly to Sofia 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 Sofia

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

Find hourly flight availability from Indiana to Sofia. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated July 31, 2025.

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

Reviews of airlines servicing Sofia

Get insights into the airlines that provide service to Sofia. 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 Sofia. Reviews last updated July 31, 2025.
See what other customers who have flown with KLM, Austrian Airlines, and Air France from Indiana to Sofia have to say. 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.
KLM
7.8
Good
1,383 reviews

Comfort

7.7

Overall

7.8

Boarding

7.8

Food

7.3

Crew

8.4

Entertainment

7.1

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
1,383 reviews
KLM
7.8
Good
1,383 reviews

Comfort

7.7

Overall

7.8

Boarding

7.8

Food

7.3

Crew

8.4

Entertainment

7.1

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
823 reviews
KLM
7.8
Good
1,383 reviews

Comfort

7.7

Overall

7.8

Boarding

7.8

Food

7.3

Crew

8.4

Entertainment

7.1

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
1,383 reviews

Comfort

7.7

Overall

7.8

Boarding

7.8

Food

7.3

Crew

8.4

Entertainment

7.1

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
1,686 reviews
KLM
7.8
Good
1,383 reviews

Comfort

7.7

Overall

7.8

Boarding

7.8

Food

7.3

Crew

8.4

Entertainment

7.1

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
8,900 reviews
KLM
7.8
Good
1,383 reviews

Comfort

7.7

Overall

7.8

Boarding

7.8

Food

7.3

Crew

8.4

Entertainment

7.1

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 Sofia. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Sofia from Indiana?

    Sofia (SOF) is the airport you will fly into if you book a flight from Indiana to Sofia. It is only a 4.2 mi journey from Sofia (SOF) to Sofia’s city center.

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

    $289 is the cheapest one-way deal found within the past few days, from Turkish Airlines. You may also be able to find cheap deals on British Airways and SWISS, with prices starting from $341 and $344, respectively.

  • What are the most popular routes from Indiana to Sofia?

    While some choose either Chicago Midway - Sofia or Indianapolis - Sofia, Chicago O'Hare Intl - Sofia is the most popular route from Indiana to Sofia.

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

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

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

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

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

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

    Currently, November is the cheapest month in which you can book a flight from Indiana to Sofia (average of $632). Flying from Indiana to Sofia in June is currently the most expensive (average of $1,187). 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 Sofia

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 Sofia

Discover the top 2 airlines that operate flights from Indiana to Sofia. 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 31, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$588Average$1,211FlexibilityNo cancel feeOn-time69%
LufthansaCheapest$688Average$1,562FlexibilityNo cancel feeOn-time76%

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