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$695+ 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 10/8. Fares are subject to change and may not be available on all flights or dates of travel.
IND — SOF
Aug 25 — Sep 11
Mon 8/25
Mon 9/1
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 August 20, 2025.

Round-trip from

$695
(United Airlines)

Popular in

December

Cheapest in

September

Average price

$1,126
From Indianapolis to Sofia
Search Deals
Highest demand for flights based on searches. 9% potential increase in price ($113 potential increase over avg. RT price).
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Cheapest flight prices on average. 7% potential price decrease ($75 potential savings vs. average RT price).
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Average for round-trip flights in August 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 August 20, 2025.

This United Airlines deal was found by Cheapflights users on 8/18. 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 10/812:11 pmIND - SOF
2 stops27h 49mUnited Airlines
Fri 10/246:15 amSOF - IND
2 stops24h 29mUnited Airlines
Deal found 8/18$695
This Cheapflightsfares deal was found by Cheapflights users on 8/19. 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.
Sat 9/1310:05 amIND - SOF
2 stops29h 55mLufthansa
Sat 9/206:15 amSOF - IND
2 stops17h 17mLufthansa
Deal found 8/19$788
This Air Canada deal was found by Cheapflights users on 8/18. 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 10/810:20 amIND - SOF
2 stops24h 30mAir Canada
Fri 10/246:15 amSOF - IND
3 stops20h 59mAir Canada
Deal found 8/18$801
This Air Canada deal was found by Cheapflights users on 8/19. 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 10/810:20 amIND - SOF
2 stops24h 30mMultiple Airlines
Fri 10/246:15 amSOF - IND
3 stops20h 59mMultiple Airlines
Deal found 8/19$802
This United Airlines deal was found by Cheapflights users on 8/18. 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 9/1310:05 amIND - SOF
2 stops29h 55mUnited Airlines
Sat 9/206:15 amSOF - IND
2 stops24h 44mUnited Airlines
Deal found 8/18$805
This United Airlines deal was found by Cheapflights users on 8/20. 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 9/127:15 amIND - SOF
2 stops21h 00mUnited Airlines
Sat 9/206:15 amSOF - IND
2 stops21h 46mUnited Airlines
Deal found 8/20$806
This United deal was found by Cheapflights users on 8/18. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/99:00 amIND - SOF
2 stops19h 15mMultiple Airlines
Sat 10/1812:45 pmSOF - IND
2 stops28h 32mMultiple Airlines
Deal found 8/18$826
This Mytrip deal was found by Cheapflights users on 8/20. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/125:00 amIND - SOF
2 stops30h 40mMultiple Airlines
Sat 9/2011:55 amSOF - IND
3 stops39h 03mMultiple Airlines
Deal found 8/20$1,091

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 August 20, 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 10/8

12:11 pm-11:00 pm

2 stops27h 49m

Sofia

Fri 10/24

6:15 am-11:44 pm

2 stops24h 29m

$695

IndianapolisSofia

IND - SOF

INDSOF

Indianapolis

Sat 9/13

7:35 pm-11:00 pm

2 stops20h 25m

Sofia

Sat 9/20

6:15 am-9:51 pm

2 stops22h 36m

$788

IndianapolisSofia

IND - SOF

INDSOF

Indianapolis

Wed 10/8

10:20 am-5:50 pm

2 stops24h 30m

Sofia

Fri 10/24

6:15 am-8:14 pm

3 stops20h 59m

$801

IndianapolisSofia

IND - SOF

INDSOF

Indianapolis

Wed 10/8

10:20 am-5:50 pm

2 stops24h 30m

Sofia

Fri 10/24

6:15 am-8:14 pm

3 stops20h 59m

$802

IndianapolisSofia

IND - SOF

INDSOF

Indianapolis

Sat 9/13

10:05 am-11:00 pm

2 stops29h 55m

Sofia

Sat 9/20

6:15 am-11:59 pm

2 stops24h 44m

$805

IndianapolisSofia

IND - SOF

INDSOF

Indianapolis

Fri 9/12

7:15 am-11:15 am

2 stops21h 00m

Sofia

Sat 9/20

6:15 am-9:01 pm

2 stops21h 46m

$806

IndianapolisSofia

IND - SOF

INDSOF

Indianapolis

Thu 10/9

9:00 am-11:15 am

2 stops19h 15m

Sofia

Sat 10/18

12:45 pm-10:17 am

2 stops28h 32m

$826

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/18

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 $1,185). 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 August 20, 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.

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 August 20, 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
8,928 reviews

Overall

7.4

Comfort

7.3

Boarding

7.7

Crew

8.1

Entertainment

7.1

Food

6.6

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??
United Airlines
7.4
Good
8,928 reviews
United Airlines
7.4
Good
8,928 reviews

Overall

7.4

Comfort

7.3

Boarding

7.7

Crew

8.1

Entertainment

7.1

Food

6.6

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??
Lufthansa
6.8
Okay
7,337 reviews
United Airlines
7.4
Good
8,928 reviews

Overall

7.4

Comfort

7.3

Boarding

7.7

Crew

8.1

Entertainment

7.1

Food

6.6

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??

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 20h 25m. 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 39% 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 $1,185). 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
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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 August 20, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$628Average$1,210FlexibilityNo cancel feeOn-time69%
LufthansaCheapest$688Average$1,262FlexibilityNo cancel feeOn-time76%

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