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Sofia

$437+ 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 12/10. Fares are subject to change and may not be available on all flights or dates of travel.
IND — SOF
ene. 2 — ene. 91
vie. 1/2
vie. 1/9
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 diciembre 3, 2025.

This KLM deal was found by Cheapflights users on 12/2. 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.
mié. 12/102:19 pmIND - SOF
2 stops16h 46mKLM
mié. 12/247:00 amSOF - IND
2 stops24h 12mKLM
Deal found 12/2$519
This United Airlines deal was found by Cheapflights users on 12/1. 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.
lun. 12/810:05 amIND - SOF
2 stops25h 15mUnited Airlines
jue. 1/86:05 amSOF - IND
2 stops39h 41mUnited Airlines
Deal found 12/1$653
This United Airlines deal was found by Cheapflights users on 12/1. 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.
lun. 12/82:42 pmIND - SOF
2 stops20h 38mUnited Airlines
vie. 1/96:05 amSOF - IND
2 stops23h 09mUnited Airlines
Deal found 12/1$876
This United Airlines deal was found by Cheapflights users on 12/1. 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.
lun. 12/85:49 pmIND - SOF
2 stops21h 56mUnited Airlines
mié. 1/76:05 amSOF - IND
2 stops36h 27mUnited Airlines
Deal found 12/1$1,047
This KAYAK deal was found by Cheapflights users on 12/1. 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.
lun. 12/17:35 pmIND - SOF
2 stops15h 45mLufthansa
jue. 1/87:05 pmSOF - IND
2 stops34h 09mLufthansa
Deal found 12/1$1,063
This KAYAK deal was found by Cheapflights users on 12/1. 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.
sáb. 12/65:49 pmIND - SOF
2 stops41h 31mLufthansa
jue. 1/87:05 pmSOF - IND
2 stops34h 09mLufthansa
Deal found 12/1$1,068
This Kiwi.com deal was found by Cheapflights users on 12/1. 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.
lun. 12/88:00 pmIND - SOF
1 stop34h 45mMultiple Airlines
jue. 1/86:45 amSOF - IND
2 stops48h 33mMultiple Airlines
Deal found 12/1$1,075
This KAYAK deal was found by Cheapflights users on 12/1. 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.
vie. 12/53:45 pmIND - SOF
2 stops24h 00mLufthansa
jue. 1/87:05 pmSOF - IND
2 stops34h 09mLufthansa
Deal found 12/1$1,076
This Kiwi.com deal was found by Cheapflights users on 12/1. 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.
lun. 12/88:00 pmIND - SOF
1 stop34h 45mMultiple Airlines
vie. 1/96:00 amSOF - IND
2 stops25h 18mMultiple Airlines
Deal found 12/1$1,122
This United Airlines deal was found by Cheapflights users on 12/1. 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.
mar. 12/25:49 pmIND - SOF
2 stops21h 56mUnited Airlines
vie. 1/96:05 amSOF - IND
2 stops23h 09mUnited Airlines
Deal found 12/1$1,124
This KAYAK deal was found by Cheapflights users on 12/1. 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.
lun. 12/17:35 pmIND - SOF
2 stops20h 10mLufthansa
vie. 1/96:05 amSOF - IND
2 stops23h 09mLufthansa
Deal found 12/1$1,129
This KAYAK deal was found by Cheapflights users on 12/1. 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.
sáb. 12/65:49 pmIND - SOF
2 stops45h 56mLufthansa
vie. 1/96:05 amSOF - IND
2 stops23h 09mLufthansa
Deal found 12/1$1,135

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 diciembre 3, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

Expedia
3 stars

Round-trip from

$528
(Lufthansa)

One-way from

$437
(KLM)

Popular in

June

Cheapest in

February

Average price

$649
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
Average for round-trip flights in December 2025
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 diciembre 3, 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

mié. 1/28

2:34 pm-1:15 pm

2 stops15h 41m

Sofia

dom. 2/1

6:10 am-7:02 pm

2 stops19h 52m

$528

IndianapolisSofia

IND - SOF

INDSOF

Indianapolis

jue. 1/29

12:25 pm-10:45 pm

2 stops27h 20m

Sofia

lun. 2/2

1:45 pm-5:52 pm

2 stops35h 07m

$542

IndianapolisSofia

IND - SOF

INDSOF

Indianapolis

lun. 12/22

5:45 am-11:50 am

2 stops23h 05m

Sofia

mié. 12/31

7:55 am-9:59 pm

2 stops21h 04m

$1,422

IndianapolisSofia

IND - SOF

INDSOF

Indianapolis

mar. 12/16

4:29 pm-1:15 pm

2 stops13h 46m

Sofia

mié. 12/31

7:55 am-9:59 pm

2 stops21h 04m

$1,534

IndianapolisSofia

IND - SOF

INDSOF

Indianapolis

mié. 12/17

12:10 pm-6:00 pm

2 stops22h 50m

Sofia

mié. 12/31

7:55 am-9:59 pm

2 stops21h 04m

$1,562

IndianapolisSofia

IND - SOF

INDSOF

Indianapolis

lun. 12/22

2:35 pm-11:50 am

2 stops14h 15m

Sofia

mar. 1/6

2:15 pm-6:55 pm

2 stops35h 40m

$1,703

IndianapolisSofia

IND - SOF

INDSOF

Indianapolis

lun. 12/22

8:00 pm-1:45 pm

1 stop34h 45m

Sofia

mar. 1/6

6:10 am-7:13 am

2 stops32h 03m

$1,816

IndianapolisSofia

IND - SOF

INDSOF

Indianapolis

mar. 12/16

4:29 pm-1:15 pm

2 stops13h 46m

Sofia

mar. 1/6

2:15 pm-6:55 pm

2 stops35h 40m

$1,816

IndianapolisSofia

IND - SOF

INDSOF

Indianapolis

mié. 12/17

12:10 pm-6:00 pm

2 stops22h 50m

Sofia

mar. 1/6

2:15 pm-6:55 pm

2 stops35h 40m

$1,844

IndianapolisSofia

IND - SOF

INDSOF

Indianapolis

lun. 12/22

8:00 pm-1:45 pm

1 stop34h 45m

Sofia

dom. 1/4

10:30 pm-10:43 pm

2 stops31h 13m

$2,196

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/2

Showing 1-10 of 19 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 December.
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 diciembre 3, 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 diciembre 3, 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
9,063 reviews

Food

6.6

Boarding

7.7

Entertainment

7.1

Comfort

7.3

Overall

7.4

Crew

8.1

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
9,063 reviews
United Airlines
7.4
Good
9,063 reviews

Food

6.6

Boarding

7.7

Entertainment

7.1

Comfort

7.3

Overall

7.4

Crew

8.1

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
7,603 reviews
United Airlines
7.4
Good
9,063 reviews

Food

6.6

Boarding

7.7

Entertainment

7.1

Comfort

7.3

Overall

7.4

Crew

8.1

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 41m. Fly via Lufthansa or United Airlines 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

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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
Cincinnati to Sofia flights
Dayton to Sofia flights
South Bend 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 diciembre 3, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$628Average$1,209FlexibilityNo cancel feeOn-time69%
LufthansaCheapest$688Average$1,222FlexibilityNo cancel feeOn-time76%

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