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$642+ 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 8/27. Fares are subject to change and may not be available on all flights or dates of travel.
IND — SOF
Jul 8 — Jul 151
Tue 7/8
Tue 7/15
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 July 3, 2025.

Round-trip from

$642
(United Airlines)

Popular in

December

Cheapest in

February

Average price

$1,140
From Indianapolis to Sofia
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Highest demand for flights based on searches. 2% potential increase in price ($25 potential increase over avg. RT price).
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Cheapest flight prices on average. 6% potential price decrease ($67 potential savings vs. average RT price).
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Average for round-trip flights in July 2025
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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 July 3, 2025.

This United Airlines deal was found by Cheapflights users on 7/1. 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.
Wed 8/277:39 pmIND - SOF
2 stops20h 21mUnited Airlines
Fri 9/266:15 amSOF - IND
2 stops21h 46mUnited Airlines
Deal found 7/1$642
This Air Canada deal was found by Cheapflights users on 7/1. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/2710:20 amIND - SOF
2 stops24h 30mAir Canada
Fri 9/266:15 amSOF - IND
3 stops21h 46mAir Canada
Deal found 7/1$648
This Lufthansa deal was found by Cheapflights users on 7/1. 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/222:35 pmIND - SOF
2 stops25h 25mLufthansa
Mon 8/256:40 pmSOF - IND
2 stops36h 19mLufthansa
Deal found 7/1$660
This Air France deal was found by Cheapflights users on 7/1. 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 Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/222:07 pmIND - SOF
2 stops16h 53mMultiple Airlines
Wed 8/277:00 amSOF - IND
2 stops17h 54mMultiple Airlines
Deal found 7/1$679
This SWISS deal was found by Cheapflights users on 7/1. 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 SWISS is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/244:43 pmIND - SOF
2 stops34h 22mSWISS
Mon 8/253:30 pmSOF - IND
2 stops32h 02mSWISS
Deal found 7/1$695

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 July 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

Wed 8/27

7:39 pm-11:00 pm

2 stops20h 21m

Sofia

Fri 9/26

6:15 am-9:01 pm

2 stops21h 46m

$642

IndianapolisSofia

IND - SOF

INDSOF

Indianapolis

Wed 8/27

10:20 am-5:50 pm

2 stops24h 30m

Sofia

Fri 9/26

6:15 am-9:01 pm

3 stops21h 46m

$648

IndianapolisSofia

IND - SOF

INDSOF

Indianapolis

Tue 7/22

2:35 pm-11:00 pm

2 stops25h 25m

Sofia

Mon 8/25

6:40 pm-11:59 pm

2 stops36h 19m

$660

IndianapolisSofia

IND - SOF

INDSOF

Indianapolis

Tue 7/22

2:07 pm-2:00 pm

2 stops16h 53m

Sofia

Wed 8/27

7:00 am-5:54 pm

2 stops17h 54m

$679

IndianapolisSofia

IND - SOF

INDSOF

Indianapolis

Thu 7/24

4:43 pm-10:05 am

2 stops34h 22m

Sofia

Mon 8/25

3:30 pm-4:32 pm

2 stops32h 02m

$695

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/1

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, November is the cheapest month in which you can book a flight from Indianapolis to Sofia (average of $632). Flying from Indianapolis to Sofia in June is currently the most expensive (average of $1,189). 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 July 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 16% on airfare.

How much does it cost to fly round-trip from Indianapolis to Sofia?

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 July 3, 2025.
Get a feel of what it's like to fly with SWISS, United Airlines, and Air Canada 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.
SWISS
7.5
Good
1,654 reviews

Comfort

7.4

Boarding

7.6

Overall

7.5

Entertainment

6.8

Crew

8.2

Food

7.1

Reviews

1 / 20
10.0
Excellent

Elwyn,Feb 2025

MXP - ZRH

The crew and the entire experience was fantastic! Would highly recommend the company and the flight
SWISS
7.5
Good
1,654 reviews
SWISS
7.5
Good
1,654 reviews

Comfort

7.4

Boarding

7.6

Overall

7.5

Entertainment

6.8

Crew

8.2

Food

7.1

Reviews

1 / 20
10.0
Excellent

Elwyn,Feb 2025

MXP - ZRH

The crew and the entire experience was fantastic! Would highly recommend the company and the flight
United Airlines
7.4
Good
8,845 reviews
SWISS
7.5
Good
1,654 reviews

Comfort

7.4

Boarding

7.6

Overall

7.5

Entertainment

6.8

Crew

8.2

Food

7.1

Reviews

1 / 20
10.0
Excellent

Elwyn,Feb 2025

MXP - ZRH

The crew and the entire experience was fantastic! Would highly recommend the company and the flight
Air Canada
7.1
Good
9,678 reviews
SWISS
7.5
Good
1,654 reviews

Comfort

7.4

Boarding

7.6

Overall

7.5

Entertainment

6.8

Crew

8.2

Food

7.1

Reviews

1 / 20
10.0
Excellent

Elwyn,Feb 2025

MXP - ZRH

The crew and the entire experience was fantastic! Would highly recommend the company and the flight
Lufthansa
6.8
Okay
7,207 reviews
SWISS
7.5
Good
1,654 reviews

Comfort

7.4

Boarding

7.6

Overall

7.5

Entertainment

6.8

Crew

8.2

Food

7.1

Reviews

1 / 20
10.0
Excellent

Elwyn,Feb 2025

MXP - ZRH

The crew and the entire experience was fantastic! Would highly recommend the company and the flight

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.

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

    Cheapflights users have booked flights from Indianapolis to Sofia round-trip from $642. Other airlines that can offer you cheap pricing are Air Canada, from $648, and Lufthansa, from $660. Users have found that United Airlines is 42% 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, November is the cheapest month in which you can book a flight from Indianapolis to Sofia (average of $632). Flying from Indianapolis to Sofia in June is currently the most expensive (average of $1,189). 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.
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Midway to Sofia flights
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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 July 3, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$660Average$1,258FlexibilityNo cancel feeOn-time69%
LufthansaCheapest$688Average$1,583FlexibilityNo cancel feeOn-time76%

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