HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Sofia

$331+ 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 4/14. Fares are subject to change and may not be available on all flights or dates of travel.
IND — SOF
Dec 10 — Dec 171
Wed 12/10
Wed 12/17
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Indiana to Sofia with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

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 November 10, 2025.

This Mytrip deal was found by Cheapflights users on 11/9. 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.
Mon 12/13:35 pmORD - SOF
2 stops23h 55mMultiple Airlines
Mon 12/152:35 pmSOF - ORD
2 stops33h 45mMultiple Airlines
Deal found 11/9$563
This Kiwi.com deal was found by Cheapflights users on 11/9. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/129:50 pmORD - SOF
1 stop12h 30mLufthansa
Wed 11/192:25 pmSOF - ORD
1 stop13h 40mLufthansa
Deal found 11/9$565
This CrystalTravel deal was found by Cheapflights users on 11/8. 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 11/279:50 pmORD - SOF
1 stop16h 55mLufthansa
Thu 12/112:35 pmSOF - ORD
1 stop13h 30mLufthansa
Deal found 11/8$574
This CrystalTravel deal was found by Cheapflights users on 11/8. 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 11/129:50 pmORD - SOF
1 stop12h 30mLufthansa
Wed 4/82:00 pmSOF - ORD
1 stop13h 55mLufthansa
Deal found 11/8$575
This Kiwi.com deal was found by Cheapflights users on 11/8. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/3010:35 pmORD - SOF
1 stop16h 10mLufthansa
Sun 12/142:25 pmSOF - ORD
1 stop13h 40mLufthansa
Deal found 11/8$577
This Kiwi.com deal was found by Cheapflights users on 11/9. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/286:50 pmORD - SOF
1 stop31h 25mMultiple Airlines
Fri 12/122:35 pmSOF - ORD
1 stop13h 30mMultiple Airlines
Deal found 11/9$579
This Mytrip deal was found by Cheapflights users on 11/9. 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 11/123:35 pmORD - SOF
2 stops18h 45mMultiple Airlines
Wed 11/192:25 pmSOF - ORD
1 stop13h 40mMultiple Airlines
Deal found 11/9$589
This Mytrip deal was found by Cheapflights users on 11/10. 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 11/123:35 pmORD - SOF
2 stops18h 45mMultiple Airlines
Wed 11/262:25 pmSOF - ORD
1 stop13h 40mMultiple Airlines
Deal found 11/10$590
This Mytrip deal was found by Cheapflights users on 11/8. 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 11/123:35 pmORD - SOF
2 stops18h 45mMultiple Airlines
Wed 4/812:50 pmSOF - ORD
1 stop13h 25mMultiple Airlines
Deal found 11/8$591
This Cheapflightsfares deal was found by Cheapflights users on 11/8. 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.
Tue 11/189:50 pmORD - SOF
1 stop16h 55mLufthansa
Wed 12/36:10 amSOF - ORD
1 stop15h 00mLufthansa
Deal found 11/8$594
This KLM deal was found by Cheapflights users on 11/10. 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.
Wed 11/121:15 pmMDW - SOF
2 stops16h 50mKLM
Wed 11/267:00 amSOF - MDW
2 stops19h 08mKLM
Deal found 11/10$628
This Gotogate deal was found by Cheapflights users on 11/8. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/226:40 pmCVG - SOF
2 stops40h 40mMultiple Airlines
Tue 11/252:00 pmSOF - CVG
2 stops35h 00mMultiple Airlines
Deal found 11/8$754

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 November 10, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

Expedia
3 stars

Round-trip from

$541
(United Airlines)

One-way from

$331
(Kiwi.com)

Popular in

June

Cheapest in

February
Provider with most accurate pricing for Indianapolis-Sofia flight deals.
Search Deals
Provider most trusted by Cheapflights users for Indianapolis-Sofia flights.
Search Deals
From Indiana to Sofia
Search Deals
One-way flight from Indiana to Sofia
Search Deals
Highest demand for flights based on searches. 26% potential increase in price ($347 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 9% potential price decrease ($80 potential savings vs. average RT price).
Search Deals

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 November 10, 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

Fri 3/6

8:20 pm-3:10 pm

1 stop34h 50m

Sofia

Mon 3/9

4:00 pm-7:25 pm

1 stop34h 25m

$568

ChicagoSofia

ORD - SOF

ORDSOF

Chicago O'Hare Intl

Fri 11/28

6:50 pm-10:15 am

1 stop31h 25m

Sofia

Fri 12/12

2:35 pm-8:05 pm

1 stop13h 30m

$579

ChicagoSofia

ORD - SOF

ORDSOF

Chicago O'Hare Intl

Sun 12/7

9:50 pm-10:45 pm

1 stop16h 55m

Sofia

Sun 12/14

6:10 am-8:05 pm

1 stop21h 55m

$594

ChicagoSofia

ORD - SOF

ORDSOF

Chicago O'Hare Intl

Tue 1/13

10:00 am-6:20 pm

2 stops24h 20m

Sofia

Fri 3/13

6:10 am-2:10 pm

1 stop15h 00m

$596

ChicagoSofia

ORD - SOF

ORDSOF

Chicago O'Hare Intl

Thu 12/4

9:55 pm-1:50 pm

1 stop31h 55m

Sofia

Sat 12/13

2:35 pm-8:00 pm

1 stop13h 25m

$605

ChicagoSofia

ORD - SOF

ORDSOF

Chicago O'Hare Intl

Thu 1/22

9:50 pm-10:45 pm

1 stop16h 55m

Sofia

Sat 2/14

6:25 am-6:36 pm

2 stops20h 11m

$606

ChicagoSofia

ORD - SOF

ORDSOF

Chicago O'Hare Intl

Thu 2/26

9:50 pm-10:45 pm

1 stop16h 55m

Sofia

Mon 3/2

6:10 am-3:20 pm

1 stop17h 10m

$608

ChicagoSofia

ORD - SOF

ORDSOF

Chicago O'Hare Intl

Mon 12/8

1:05 pm-1:15 pm

2 stops16h 10m

Sofia

Mon 12/15

6:10 am-1:10 pm

1 stop15h 00m

$611

ChicagoSofia

ORD - SOF

ORDSOF

Chicago O'Hare Intl

Thu 1/8

6:17 pm-10:45 pm

2 stops20h 28m

Sofia

Tue 2/3

6:00 am-6:51 pm

2 stops20h 51m

$613

CincinnatiSofia

CVG - SOF

CVGSOF

Cincinnati Cinci./N. Kentucky

Sat 11/22

6:40 pm-6:20 pm

2 stops40h 40m

Sofia

Tue 11/25

2:00 pm-6:00 pm

2 stops35h 00m

$754

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/10

Showing 1-10 of 37 results
1
2
3
4

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 November 10, 2025.

Unlike in the morning, when flights are generally more expensive, you can save up to 11% on flights from Indiana to Sofia by exploring options for tickets at noon.

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?

    Turkish Airlines, Lufthansa, and LOT can get you from Indiana to Sofia in just under 16h 55m. Your travel time can differ by up to 17h 55m. 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 cheapest airlines to fly from Indiana to Sofia one-way?

    $359 is the cheapest one-way deal found within the past few days, from Air Serbia. You may also be able to find cheap deals on SWISS and Air France, with prices starting from $449 and $536, respectively.

  • 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.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Indiana to Sofia

See prices for flight routes from nearby airports that may be better suited for you.
John F Kennedy Intl to Sofia flights
O'Hare Intl to Sofia flights
Dallas/Fort Worth to Sofia flights
Newark to Sofia flights
Los Angeles to Sofia flights
Love Field to Sofia flights
Boston to Sofia flights
LaGuardia to Sofia flights
Seattle to Sofia flights
Atlanta to Sofia flights
Hobby to Sofia flights
Dulles Intl to Sofia flights
Miami to Sofia flights
Las Vegas to Sofia flights
Denver to Sofia flights
George Bush Intcntl to Sofia flights
San Francisco to Sofia flights
Sacramento to Sofia flights
Reagan-National to Sofia flights
Orlando to Sofia flights
Salt Lake City to Sofia flights
Minneapolis to Sofia flights
Kansas City to Sofia flights
St. Louis to Sofia flights
Sky Harbor Intl to Sofia flights
Midway to Sofia flights
Tampa to Sofia flights
Fort Lauderdale to Sofia flights
Detroit to Sofia flights
Austin to Sofia flights
Baltimore to Sofia flights
Pittsburgh to Sofia flights
San Jose to Sofia flights
Philadelphia to Sofia flights
Charlotte to Sofia flights
Raleigh to Sofia flights
Nashville to Sofia flights
Lexington to Sofia flights
San Diego to Sofia flights
West Palm Beach to Sofia flights
Portland to Sofia flights
Santa Ana to Sofia flights
Sioux Falls to Sofia flights
Kailua-Kona to Sofia flights
Norfolk to Sofia flights
Sarasota to Sofia flights
Cleveland to Sofia flights
Cincinnati to Sofia flights
Spokane to Sofia flights

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 November 10, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$628Average$1,210FlexibilityNo cancel feeOn-time69%
LufthansaCheapest$688Average$1,242FlexibilityNo cancel feeOn-time76%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.