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$547+ Cheap flights from Indianapolis (IND) to Sofia (SOF)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 2/5. Fares are subject to change and may not be available on all flights or dates of travel.
IND — SOF
Feb 5 — Feb 121
Thu 2/5
Thu 2/12
1 adult, Economy
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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 January 6, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

Expedia
3 stars

Round-trip from

$547
(United Airlines)
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 Indianapolis to Sofia
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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 January 6, 2026.

This United Airlines deal was found by Cheapflights users on 1/5. 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 2/53:38 pmIND - SOF
2 stops24h 07mUnited Airlines
Sun 2/86:10 amSOF - IND
2 stops24h 20mUnited Airlines
Deal found 1/5$547
This United Airlines deal was found by Cheapflights users on 1/4. 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 2/1812:07 pmIND - SOF
2 stops23h 13mUnited Airlines
Sun 2/226:05 amSOF - IND
2 stops24h 39mUnited Airlines
Deal found 1/4$548
This United Airlines deal was found by Cheapflights users on 1/5. 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 5/1910:20 amIND - SOF
2 stops18h 50mUnited Airlines
Thu 7/306:10 amSOF - IND
2 stops24h 07mUnited Airlines
Deal found 1/5$817
This United Airlines deal was found by Cheapflights users on 1/5. 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 5/1910:20 amIND - SOF
2 stops18h 50mUnited Airlines
Wed 7/2912:55 pmSOF - IND
2 stops34h 14mUnited Airlines
Deal found 1/5$828
This United Airlines deal was found by Cheapflights users on 1/5. 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 5/177:45 pmIND - SOF
2 stops20h 25mUnited Airlines
Thu 7/306:10 amSOF - IND
2 stops24h 07mUnited Airlines
Deal found 1/5$863
This United Airlines deal was found by Cheapflights users on 1/5. 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 5/167:45 pmIND - SOF
2 stops20h 25mUnited Airlines
Thu 7/306:10 amSOF - IND
2 stops16h 59mUnited Airlines
Deal found 1/5$873
This United Airlines deal was found by Cheapflights users on 1/5. 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 5/177:45 pmIND - SOF
2 stops20h 25mUnited Airlines
Wed 7/2912:55 pmSOF - IND
2 stops34h 14mUnited Airlines
Deal found 1/5$874
This KAYAK deal was found by Cheapflights users on 1/5. 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.
Fri 5/157:45 pmIND - SOF
2 stops20h 25mLufthansa
Thu 7/306:10 amSOF - IND
2 stops16h 59mLufthansa
Deal found 1/5$878
This United Airlines deal was found by Cheapflights users on 1/5. 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 5/167:45 pmIND - SOF
2 stops20h 25mUnited Airlines
Wed 7/2912:55 pmSOF - IND
2 stops34h 14mUnited Airlines
Deal found 1/5$884
This Air Canada deal was found by Cheapflights users on 1/5. 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.
Tue 5/1910:20 amIND - SOF
2 stops18h 50mAir Canada
Mon 7/276:10 amSOF - IND
2 stops40h 34mAir Canada
Deal found 1/5$885
This United Airlines deal was found by Cheapflights users on 1/5. 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 5/215:49 amIND - SOF
2 stops22h 21mUnited Airlines
Thu 7/306:10 amSOF - IND
2 stops16h 59mUnited Airlines
Deal found 1/5$886
This United Airlines deal was found by Cheapflights users on 1/5. 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 5/1910:20 amIND - SOF
2 stops18h 50mUnited Airlines
Sat 7/256:10 amSOF - IND
2 stops20h 57mUnited Airlines
Deal found 1/5$887

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 January 6, 2026.
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

Thu 2/5

3:38 pm-10:45 pm

2 stops24h 07m

Sofia

Sun 2/8

6:10 am-11:30 pm

2 stops24h 20m

$547

IndianapolisSofia

IND - SOF

INDSOF

Indianapolis

Thu 2/19

12:37 pm-10:45 pm

2 stops27h 08m

Sofia

Thu 2/26

6:05 am-11:56 pm

2 stops24h 51m

$548

IndianapolisSofia

IND - SOF

INDSOF

Indianapolis

Wed 2/18

12:07 pm-6:20 pm

2 stops23h 13m

Sofia

Sun 2/22

6:05 am-11:44 pm

2 stops24h 39m

$548

IndianapolisSofia

IND - SOF

INDSOF

Indianapolis

Tue 5/19

10:20 am-12:10 pm

2 stops18h 50m

Sofia

Thu 7/30

6:10 am-11:17 pm

2 stops24h 07m

$817

IndianapolisSofia

IND - SOF

INDSOF

Indianapolis

Sun 5/17

7:45 pm-11:10 pm

2 stops20h 25m

Sofia

Thu 7/30

6:10 am-11:17 pm

2 stops24h 07m

$863

IndianapolisSofia

IND - SOF

INDSOF

Indianapolis

Sat 5/16

7:45 pm-11:10 pm

2 stops20h 25m

Sofia

Thu 7/30

6:10 am-4:09 pm

2 stops16h 59m

$873

IndianapolisSofia

IND - SOF

INDSOF

Indianapolis

Sun 5/17

7:45 pm-11:10 pm

2 stops20h 25m

Sofia

Wed 7/29

12:55 pm-4:09 pm

2 stops34h 14m

$874

IndianapolisSofia

IND - SOF

INDSOF

Indianapolis

Sat 5/16

7:45 pm-11:10 pm

2 stops20h 25m

Sofia

Wed 7/29

12:55 pm-4:09 pm

2 stops34h 14m

$884

IndianapolisSofia

IND - SOF

INDSOF

Indianapolis

Tue 5/19

10:20 am-12:10 pm

2 stops18h 50m

Sofia

Mon 7/27

6:10 am-3:44 pm

2 stops40h 34m

$885

IndianapolisSofia

IND - SOF

INDSOF

Indianapolis

Wed 5/20

10:20 am-12:10 pm

2 stops18h 50m

Sofia

Mon 7/27

6:10 am-3:44 pm

2 stops40h 34m

$885

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/5

Showing 1-10 of 12 results
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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 January.
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.

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 January 6, 2026.
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
9,132 reviews

Crew

8.1

Overall

7.4

Comfort

7.3

Boarding

7.7

Food

6.6

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

IAD - TYS

It was a short flight on a small express plane, so no time for amenities. Quickly on, quickly off. No complaints.
United Airlines
7.4
Good
9,132 reviews
United Airlines
7.4
Good
9,132 reviews

Crew

8.1

Overall

7.4

Comfort

7.3

Boarding

7.7

Food

6.6

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

IAD - TYS

It was a short flight on a small express plane, so no time for amenities. Quickly on, quickly off. No complaints.
Lufthansa
6.8
Okay
7,683 reviews
United Airlines
7.4
Good
9,132 reviews

Crew

8.1

Overall

7.4

Comfort

7.3

Boarding

7.7

Food

6.6

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

IAD - TYS

It was a short flight on a small express plane, so no time for amenities. Quickly on, quickly off. No complaints.

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 41m. Fly via United Airlines, Air Canada, 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.

  • 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.

See more FAQs

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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
Dayton to Sofia flights
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Cincinnati 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 January 6, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$628Average$1,209FlexibilityNo cancel feeOn-time69%
LufthansaCheapest$688Average$1,262FlexibilityNo cancel feeOn-time76%

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