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$739+ 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 12/6. Fares are subject to change and may not be available on all flights or dates of travel.
IND — SOF
Jun 11 — Jun 181
Thu 6/11
Thu 6/18
1 adult, Economy
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Cheap 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 May 12, 2026.

This United Airlines deal was found by Cheapflights users on 5/11. 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 12/69:20 am
IND
-
SOF
2 stops30h 25m
United Airlines
Wed 12/96:10 am
SOF
-
IND
2 stops18h 55m
United Airlines
Deal found 5/11$739
This United Airlines deal was found by Cheapflights users on 5/7. 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 12/11:50 pm
IND
-
SOF
2 stops16h 55m
United Airlines
Thu 12/36:10 am
SOF
-
IND
2 stops18h 55m
United Airlines
Deal found 5/7$751
This KLM deal was found by Cheapflights users on 5/8. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/264:00 pm
IND
-
SOF
2 stops15h 00m
KLM
Thu 8/67:00 am
SOF
-
IND
2 stops21h 05m
KLM
Deal found 5/8$949
This United Airlines deal was found by Cheapflights users on 5/9. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/2112:20 pm
IND
-
SOF
2 stops23h 20m
United Airlines
Wed 6/31:50 pm
SOF
-
IND
2 stops32h 49m
United Airlines
Deal found 5/9$1,104
This United Airlines deal was found by Cheapflights users on 5/7. 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 6/1212:54 pm
IND
-
SOF
2 stops26h 36m
United Airlines
Fri 6/196:20 am
SOF
-
IND
2 stops22h 55m
United Airlines
Deal found 5/7$1,117
This Travelocity deal was found by Cheapflights users on 5/7. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/258:10 pm
IND
-
SOF
2 stops33h 00m
Lufthansa
Sun 8/97:25 pm
SOF
-
IND
2 stops35h 34m
Lufthansa
Deal found 5/7$1,119
This FlightHub deal was found by Cheapflights users on 5/8. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/178:10 pm
IND
-
SOF
2 stops15h 30m
Lufthansa
Wed 7/297:25 pm
SOF
-
IND
2 stops28h 05m
Lufthansa
Deal found 5/8$1,155
This British Airways deal was found by Cheapflights users on 5/12. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/2112:28 pm
IND
-
SOF
2 stops17h 57m
British Airways
Wed 6/39:25 pm
SOF
-
IND
2 stops29h 45m
British Airways
Deal found 5/12$1,230
This CheapOair deal was found by Cheapflights users on 5/12. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/222:48 pm
IND
-
SOF
2 stops20h 52m
Multiple Airlines
Wed 6/36:20 am
SOF
-
IND
2 stops21h 19m
Multiple Airlines
Deal found 5/12$1,243
This FlightHub deal was found by Cheapflights users on 5/8. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/288:13 pm
IND
-
SOF
2 stops15h 27m
Lufthansa
Mon 8/177:25 pm
SOF
-
IND
2 stops35h 15m
Lufthansa
Deal found 5/8$1,244

Find 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 May 12, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$949
(KLM)
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

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 May 12, 2026.
Use the filters below to find and compare flights from Indianapolis to Sofia that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

IndianapolisSofia

IND - SOF

INDSOF

Indianapolis

Sun 7/26

4:00 pm-2:00 pm

2 stops15h 00m

Sofia

Thu 8/6

7:00 am-9:05 pm

2 stops21h 05m

$949

IndianapolisSofia

IND - SOF

INDSOF

Indianapolis

Fri 6/12

12:54 pm-10:30 pm

2 stops26h 36m

Sofia

Fri 6/19

6:20 am-10:15 pm

2 stops22h 55m

$1,117

IndianapolisSofia

IND - SOF

INDSOF

Indianapolis

Sat 7/25

8:10 pm-12:10 pm

2 stops33h 00m

Sofia

Sun 8/9

7:25 pm-11:59 pm

2 stops35h 34m

$1,119

IndianapolisSofia

IND - SOF

INDSOF

Indianapolis

Fri 7/17

8:10 pm-6:40 pm

2 stops15h 30m

Sofia

Wed 7/29

7:25 pm-4:30 pm

2 stops28h 05m

$1,155

IndianapolisSofia

IND - SOF

INDSOF

Indianapolis

Fri 5/22

10:11 am-6:40 pm

2 stops25h 29m

Sofia

Wed 6/3

6:20 am-8:39 pm

2 stops21h 19m

$1,243

IndianapolisSofia

IND - SOF

INDSOF

Indianapolis

Thu 5/28

8:13 pm-6:40 pm

2 stops15h 27m

Sofia

Mon 8/17

7:25 pm-11:40 pm

2 stops35h 15m

$1,244

IndianapolisSofia

IND - SOF

INDSOF

Indianapolis

Sun 7/26

4:25 pm-1:15 am

3 stops25h 50m

Sofia

Thu 8/6

4:25 pm-8:44 pm

2 stops35h 19m

$1,455

IndianapolisSofia

IND - SOF

INDSOF

Indianapolis

Sat 7/25

10:20 am-8:50 pm

3 stops27h 30m

Sofia

Sun 8/9

4:10 pm-8:44 pm

2 stops35h 34m

$1,622

IndianapolisSofia

IND - SOF

INDSOF

Indianapolis

Fri 7/17

10:20 am-11:10 pm

3 stops29h 50m

Sofia

Wed 7/29

4:00 pm-6:20 pm

3 stops33h 20m

$1,772

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/8

Sorted by cheapest first

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 May.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
OvagoPrice Accuracy3 starsTrust Score*3 stars

*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 FlightHub the most. FlightHub 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 May 12, 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
9,701 reviews

Entertainment

7.1

Crew

8.1

Food

6.6

Overall

7.4

Comfort

7.3

Boarding

7.7

Reviews

1 / 20
8.0
Excellent

Anonymous,Apr 2026

DFW - EWR

The flight was on time. Crew was friendly. Will fly again. The seats was comfortable.
United Airlines
7.4
Good
9,701 reviews
United Airlines
7.4
Good
9,701 reviews

Entertainment

7.1

Crew

8.1

Food

6.6

Overall

7.4

Comfort

7.3

Boarding

7.7

Reviews

1 / 20
8.0
Excellent

Anonymous,Apr 2026

DFW - EWR

The flight was on time. Crew was friendly. Will fly again. The seats was comfortable.
Lufthansa
6.8
Okay
7,992 reviews
United Airlines
7.4
Good
9,701 reviews

Entertainment

7.1

Crew

8.1

Food

6.6

Overall

7.4

Comfort

7.3

Boarding

7.7

Reviews

1 / 20
8.0
Excellent

Anonymous,Apr 2026

DFW - EWR

The flight was on time. Crew was friendly. Will fly again. The seats was comfortable.

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. Fly via KLM, 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 $588. 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

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
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 May 12, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$588Average$975FlexibilityNo cancel feeOn-time69%
LufthansaCheapest$692Average$1,017FlexibilityNo cancel feeOn-time76%

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