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Sofia

$247+ 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 10/26. Fares are subject to change and may not be available on all flights or dates of travel.
IND — SOF
Oct 17 — Oct 241
Fri 10/17
Fri 10/24
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 September 17, 2025.

Round-trip from

$548
(British Airways)

One-way from

$247
(Kiwi.com)

Popular in

December

Cheapest in

February

Average price

$706
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. 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 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 September 17, 2025.

This United Airlines deal was found by Cheapflights users on 9/15. 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 11/249:50 pmORD - SOF
1 stop12h 30mUnited Airlines
Wed 3/116:10 amSOF - ORD
2 stops19h 17mUnited Airlines
Deal found 9/15$551
This oojo deal was found by Cheapflights users on 9/17. 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 11/99:55 pmORD - SOF
2 stops35h 55mLOT
Sun 11/236:35 pmSOF - ORD
2 stops33h 20mLOT
Deal found 9/17$553
This Booking.com deal was found by Cheapflights users on 9/17. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/89:40 pmORD - SOF
1 stop12h 15mLOT
Wed 10/225:20 amSOF - ORD
1 stop22h 20mLOT
Deal found 9/17$554
This FlightHub deal was found by Cheapflights users on 9/15. 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 11/1611:50 amORD - SOF
1 stop19h 20mTurkish Airlines
Sun 11/304:00 pmSOF - ORD
1 stop26h 05mTurkish Airlines
Deal found 9/15$555
This United Airlines deal was found by Cheapflights users on 9/15. 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 10/136:00 pmORD - SOF
1 stop21h 00mUnited Airlines
Wed 11/56:10 amSOF - ORD
2 stops35h 55mUnited Airlines
Deal found 9/15$557
This Air Canada deal was found by Cheapflights users on 9/15. 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 9/15$558
This FlightHub deal was found by Cheapflights users on 9/15. 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 12/2810:35 pmORD - SOF
1 stop16h 10mMultiple Airlines
Mon 3/23:00 pmSOF - ORD
1 stop33h 20mMultiple Airlines
Deal found 9/15$559
This United Airlines deal was found by Cheapflights users on 9/15. 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 10/292:22 pmORD - SOF
2 stops16h 28mUnited Airlines
Fri 11/72:35 pmSOF - ORD
1 stop13h 30mUnited Airlines
Deal found 9/15$560
This FlightHub deal was found by Cheapflights users on 9/14. 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.
Fri 10/174:55 pmORD - SOF
1 stop12h 55mLOT
Tue 10/282:35 pmSOF - ORD
1 stop13h 25mLOT
Deal found 9/14$561
This FlightHub deal was found by Cheapflights users on 9/17. 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.
Tue 10/79:40 pmORD - SOF
1 stop32h 10mLOT
Sun 10/126:40 pmSOF - ORD
1 stop33h 00mLOT
Deal found 9/17$562
This United deal was found by Cheapflights users on 9/16. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/206:30 amORD - SOF
2 stops20h 45mMultiple Airlines
Tue 11/46:00 amSOF - ORD
2 stops24h 05mMultiple Airlines
Deal found 9/16$563
This United Airlines deal was found by Cheapflights users on 9/15. 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 10/82:25 pmIND - SOF
2 stops25h 35mUnited Airlines
Fri 10/246:15 amSOF - IND
2 stops16h 06mUnited Airlines
Deal found 9/15$630

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 September 17, 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

Mon 10/20

3:35 pm-12:00 pm

1 stop12h 25m

Sofia

Tue 11/4

6:00 am-1:10 pm

1 stop15h 10m

$551

ChicagoSofia

ORD - SOF

ORDSOF

Chicago O'Hare Intl

Tue 1/13

9:50 pm-6:20 pm

1 stop12h 30m

Sofia

Tue 1/27

6:00 am-8:00 pm

2 stops22h 00m

$552

ChicagoSofia

ORD - SOF

ORDSOF

Chicago O'Hare Intl

Sun 1/11

9:50 pm-6:20 pm

1 stop12h 30m

Sofia

Thu 4/2

6:15 am-2:45 pm

1 stop16h 30m

$552

ChicagoSofia

ORD - SOF

ORDSOF

Chicago O'Hare Intl

Tue 1/13

9:50 pm-6:20 pm

1 stop12h 30m

Sofia

Tue 1/27

6:00 am-6:51 pm

2 stops20h 51m

$552

ChicagoSofia

ORD - SOF

ORDSOF

Chicago O'Hare Intl

Sun 11/9

9:55 pm-5:50 pm

2 stops35h 55m

Sofia

Sun 11/23

6:35 pm-7:55 pm

2 stops33h 20m

$553

ChicagoSofia

ORD - SOF

ORDSOF

Chicago O'Hare Intl

Mon 11/24

12:50 pm-1:25 pm

2 stops16h 35m

Sofia

Wed 3/11

6:10 am-6:27 pm

2 stops19h 17m

$555

ChicagoSofia

ORD - SOF

ORDSOF

Chicago O'Hare Intl

Tue 1/13

10:35 am-1:45 pm

2 stops19h 10m

Sofia

Wed 4/1

6:15 am-2:45 pm

1 stop16h 30m

$556

ChicagoSofia

ORD - SOF

ORDSOF

Chicago O'Hare Intl

Tue 2/17

5:50 pm-6:20 pm

2 stops16h 30m

Sofia

Tue 3/3

6:00 am-2:55 pm

2 stops16h 55m

$556

ChicagoSofia

ORD - SOF

ORDSOF

Chicago O'Hare Intl

Mon 10/13

6:00 pm-11:00 pm

1 stop21h 00m

Sofia

Wed 11/5

6:10 am-7:30 pm

2 stops21h 20m

$557

ChicagoSofia

ORD - SOF

ORDSOF

Chicago O'Hare Intl

Sun 1/11

5:50 pm-6:20 pm

2 stops16h 30m

Sofia

Tue 3/31

6:15 am-7:55 pm

1 stop21h 40m

$557

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/14

Showing 1-10 of 46 results
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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 September 17, 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.

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.

  • How long is the flight from Indiana to Sofia?

    United Airlines, LOT, and KLM can get you from Indiana to Sofia in just under 12h 25m. Your travel time can differ by up to 23h 30m. The distance from Indiana to Sofia is about 5194 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

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

    While some choose either Chicago Midway - Sofia or Cincinnati Cinci./N. Kentucky - 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 $1,183). 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 September 17, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$628Average$1,210FlexibilityNo cancel feeOn-time69%
LufthansaCheapest$688Average$1,222FlexibilityNo cancel feeOn-time76%

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