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$240+ Cheap flights from Indianapolis (IND) 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 12/1. Fares are subject to change and may not be available on all flights or dates of travel.
IND — SOF
Dec 13 — Dec 201
Sat 12/13
Sat 12/20
1 adult, Economy
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Find flight deals from Indianapolis to Sofia

Cheapest flights from Indianapolis to Sofia
Explore the most affordable flight options available from Indianapolis to Sofia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 13, 2025.

This Cheapflightsfares deal was found by Cheapflights users on 11/12. 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 12/22:42 pmIND - SOF
2 stops15h 33mLufthansa
Tue 12/96:00 amSOF - IND
2 stops20h 01mLufthansa
Deal found 11/12$674
This Lufthansa deal was found by Cheapflights users on 11/12. 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.
Mon 12/17:35 pmIND - SOF
2 stops15h 45mLufthansa
Tue 12/96:00 amSOF - IND
2 stops20h 01mLufthansa
Deal found 11/12$692
This United Airlines deal was found by Cheapflights users on 11/12. 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.
Sun 11/305:44 pmIND - SOF
2 stops22h 01mUnited Airlines
Fri 12/122:35 pmSOF - IND
2 stops16h 24mUnited Airlines
Deal found 11/12$705
This KAYAK deal was found by Cheapflights users on 11/12. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/17:35 pmIND - SOF
2 stops15h 45mLufthansa
Mon 12/87:05 pmSOF - IND
2 stops29h 39mLufthansa
Deal found 11/12$713
This United Airlines deal was found by Cheapflights users on 11/12. 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.
Sun 11/305:44 pmIND - SOF
2 stops22h 01mUnited Airlines
Mon 12/82:20 pmSOF - IND
2 stops31h 48mUnited Airlines
Deal found 11/12$724
This SWISS deal was found by Cheapflights users on 11/12. 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 12/14:30 pmIND - SOF
3 stops63h 45mSWISS
Tue 12/92:00 pmSOF - IND
3 stops38h 59mSWISS
Deal found 11/12$733
This United Airlines deal was found by Cheapflights users on 11/12. 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.
Sat 11/295:44 pmIND - SOF
2 stops17h 36mUnited Airlines
Fri 12/126:05 amSOF - IND
2 stops18h 39mUnited Airlines
Deal found 11/12$744
This United Airlines deal was found by Cheapflights users on 11/12. 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.
Sat 11/295:44 pmIND - SOF
2 stops17h 36mUnited Airlines
Sun 12/72:00 pmSOF - IND
2 stops34h 44mUnited Airlines
Deal found 11/12$753
This United Airlines deal was found by Cheapflights users on 11/12. 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 12/410:05 amIND - SOF
2 stops29h 40mUnited Airlines
Wed 12/102:25 pmSOF - IND
2 stops16h 34mUnited Airlines
Deal found 11/12$755
This KAYAK deal was found by Cheapflights users on 11/12. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/42:42 pmIND - SOF
2 stops25h 03mLufthansa
Thu 12/112:35 pmSOF - IND
2 stops16h 24mLufthansa
Deal found 11/12$765
This United Airlines deal was found by Cheapflights users on 11/12. 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.
Sun 11/305:44 pmIND - SOF
2 stops22h 01mUnited Airlines
Sat 12/62:25 pmSOF - IND
2 stops38h 34mUnited Airlines
Deal found 11/12$774
This United Airlines deal was found by Cheapflights users on 11/12. 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.
Fri 12/512:10 pmIND - SOF
2 stops16h 40mUnited Airlines
Fri 12/127:55 amSOF - IND
2 stops16h 49mUnited Airlines
Deal found 11/12$831

Cheap flight deals from Indianapolis to Sofia

Discover tips and strategies to find the most affordable flight options for your journey from Indianapolis (IND) to Sofia (SOF). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated November 13, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

Expedia
3 stars

Round-trip from

$674
(Cheapflightsfares)

One-way from

$240
(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 Indianapolis to Sofia
Search Deals
One-way flight from Indianapolis 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 Indianapolis 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 13, 2025.
Use the filters below to find and compare flights from Indianapolis to Sofia that are best for you.

Fly from

Indianapolis

Fly to

Sofia

Route

Depart

Return

Price

IndianapolisSofia

IND - SOF

INDSOF

Indianapolis

Wed 12/3

2:42 pm-6:20 pm

2 stops20h 38m

Sofia

Thu 12/11

6:00 am-11:59 pm

2 stops24h 59m

$692

IndianapolisSofia

IND - SOF

INDSOF

Indianapolis

Mon 12/1

7:35 pm-6:20 pm

2 stops15h 45m

Sofia

Wed 12/10

6:10 am-7:01 pm

2 stops19h 51m

$692

IndianapolisSofia

IND - SOF

INDSOF

Indianapolis

Tue 12/2

2:42 pm-1:15 pm

2 stops15h 33m

Sofia

Thu 12/11

2:35 pm-11:59 pm

2 stops16h 24m

$692

IndianapolisSofia

IND - SOF

INDSOF

Indianapolis

Wed 12/3

11:15 am-6:20 pm

2 stops24h 05m

Sofia

Fri 12/12

2:35 pm-11:59 pm

2 stops16h 24m

$692

IndianapolisSofia

IND - SOF

INDSOF

Indianapolis

Tue 12/2

11:15 am-6:20 pm

2 stops24h 05m

Sofia

Fri 12/12

2:35 pm-11:59 pm

2 stops16h 24m

$692

IndianapolisSofia

IND - SOF

INDSOF

Indianapolis

Mon 12/1

4:30 pm-6:20 pm

2 stops18h 50m

Sofia

Thu 12/11

6:00 am-11:59 pm

2 stops24h 59m

$692

IndianapolisSofia

IND - SOF

INDSOF

Indianapolis

Mon 12/1

4:30 pm-6:20 pm

2 stops18h 50m

Sofia

Fri 12/12

2:35 pm-11:59 pm

2 stops16h 24m

$692

IndianapolisSofia

IND - SOF

INDSOF

Indianapolis

Wed 12/3

4:29 pm-6:20 pm

2 stops18h 51m

Sofia

Wed 12/10

6:10 am-11:59 pm

2 stops24h 49m

$692

IndianapolisSofia

IND - SOF

INDSOF

Indianapolis

Sun 11/30

5:44 pm-10:45 pm

2 stops22h 01m

Sofia

Tue 12/9

6:00 am-7:01 pm

2 stops20h 01m

$705

IndianapolisSofia

IND - SOF

INDSOF

Indianapolis

Sun 11/30

5:44 pm-10:45 pm

2 stops22h 01m

Sofia

Wed 12/10

2:25 pm-11:59 pm

2 stops16h 34m

$705

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/11

Showing 1-10 of 14 results
1
2

Compare providers for flights from Indianapolis to Sofia

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Indianapolis to Sofia in November.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Indianapolis-Sofia flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Indianapolis-Sofia flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Indianapolis-Sofia flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Indianapolis-Sofia flights, Cheapflights users trust Expedia the most. Expedia has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Indianapolis-Sofia flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Indianapolis to Sofia

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

What is the cheapest month to book a flight from Indianapolis to Sofia?

Currently, December is the cheapest month in which you can book a flight from Indianapolis to Sofia (average of $569). Flying from Indianapolis to Sofia in October is currently the most expensive (average of $1,036). 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.

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

Find hourly flight availability from Indianapolis 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 13, 2025.

One of the essential ways to save on airfare from Indianapolis to Sofia is to remain as flexible as possible. Flights that are in the evening tend to be the most expensive. A flight at noon could potentially save you up to 15% on airfare.

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 November 13, 2025.
Get a feel of what it's like to fly with United Airlines and Lufthansa from Indianapolis to Sofia by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
9,017 reviews

Comfort

7.3

Overall

7.4

Crew

8.1

Boarding

7.7

Food

6.6

Entertainment

7.1

Reviews

1 / 20
2.0
Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000
United Airlines
7.4
Good
9,017 reviews
United Airlines
7.4
Good
9,017 reviews

Comfort

7.3

Overall

7.4

Crew

8.1

Boarding

7.7

Food

6.6

Entertainment

7.1

Reviews

1 / 20
2.0
Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000
Lufthansa
6.8
Okay
7,572 reviews
United Airlines
7.4
Good
9,017 reviews

Comfort

7.3

Overall

7.4

Crew

8.1

Boarding

7.7

Food

6.6

Entertainment

7.1

Reviews

1 / 20
2.0
Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000

Related info for your journey

Find useful and relevant information for your journey from Indianapolis to Sofia. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Indianapolis to Sofia?

    There are many flights that can get you from Indianapolis to Sofia in 15h 45m. Fly via United Airlines or Lufthansa to get the fastest option. Airlines will cover a distance of 5244 mi. This flight may include one or multiple stops.

  • What are the cheapest airlines flying from Indianapolis to Sofia round-trip?

    Cheapflights users have booked flights from Indianapolis to Sofia round-trip from $628. Another airline that can offer you cheap pricing is Lufthansa. Users have found that United Airlines is 33% cheaper than the other options available to this destination.

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

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

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

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

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

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

    Currently, December is the cheapest month in which you can book a flight from Indianapolis to Sofia (average of $569). Flying from Indianapolis to Sofia in October is currently the most expensive (average of $1,036). 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

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Indianapolis to Sofia

See prices for flight routes from nearby airports that may be better suited for you.
O'Hare Intl to Sofia flights
Midway to Sofia flights
South Bend to Sofia flights
Cincinnati to Sofia flights
Dayton to Sofia flights

Top 2 airlines flying from Indianapolis to Sofia

Discover the top 2 airlines that operate flights from Indianapolis 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 13, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$628Average$1,210FlexibilityNo cancel feeOn-time69%
LufthansaCheapest$688Average$1,242FlexibilityNo cancel feeOn-time76%

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