IND - SOF

$780 Find Cheap Flights from Indianapolis to Sofia

This is the cheapest round-trip flight price found by a KAYAK user in the last 72 hours by searching for a flight from Indianapolis to Sofia departing on 9/1. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
1 adult, Economy, 0 bags

KAYAK searches hundreds of travel sites at once for deals on flights to Sofia

 
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Indianapolis to Sofia, as well as popular online travel agencies
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Indianapolis to Sofia, as well as popular online travel agencies
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Everything you should know

Cheapest round-trip
$780
Lufthansa
Tue 9/1Wed 9/16
IND - SOF • 2 stops
Top airlines
Cheapest • from $780 (round-trip)
Best reviews • 7.4 score
Airline reviews
Airline reviews
+1
+1
Airline reviews
Airline reviews
+1
Nonstop flights
Not available
There are currently no direct flights between Indianapolis and Sofia. You'll need at least 2 connections.
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We hope you love your trip to Sofia!
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Flight Deals

Cheap Flights from Indianapolis to Sofia (IND-SOF)

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Indianapolis to Sofia that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Indianapolis to Sofia

Tue, Sep 1 - Wed, Sep 16
Lufthansa Logo
7:59 pm - 11:15 pm
IND
-
SOF
20h 16m
2 stops
Lufthansa Logo
1:50 pm - 11:48 pm
SOF
-
IND
16h 58m
2 stops
$780Lufthansa
Sun, May 3 - Tue, Jun 2
United Airlines Logo
8:00 pm - 11:15 pm
IND
-
SOF
20h 15m
2 stops
United Airlines Logo
6:10 am - 11:40 pm
SOF
-
IND
24h 30m
2 stops
$850United Airlines
Tue, May 5 - Tue, Jun 2
United Airlines Logo
10:46 am - 1:05 pm
IND
-
SOF
19h 19m
2 stops
United Airlines Logo
6:10 am - 11:40 pm
SOF
-
IND
24h 30m
2 stops
$862United Airlines
Sun, May 3 - Mon, Jun 1
United Airlines Logo
8:00 pm - 6:40 pm
IND
-
SOF
15h 40m
2 stops
United Airlines Logo
2:20 pm - 3:03 pm
SOF
-
IND
31h 43m
2 stops
$870United Airlines
Wed, May 6 - Mon, Jun 1
British Airways Logo
8:53 pm - 1:25 pm
IND
-
SOF
33h 32m
2 stops
British Airways Logo
8:10 pm - 6:07 pm
SOF
-
IND
28h 57m
2 stops
$880British Airways
Thu, May 7 - Tue, Jun 2
United Airlines Logo
2:32 pm - 6:40 pm
IND
-
SOF
21h 08m
2 stops
United Airlines Logo
6:10 am - 3:03 pm
SOF
-
IND
15h 53m
2 stops
$900United Airlines
Sun, May 3 - Sun, May 31
United Airlines Logo
8:00 pm - 6:40 pm
IND
-
SOF
15h 40m
2 stops
United Airlines Logo
6:20 am - 3:03 pm
SOF
-
IND
15h 43m
2 stops
$910United Airlines
Fri, May 8 - Tue, Jun 2
United Airlines Logo
1:55 pm - 10:50 am
IND
-
SOF
13h 55m
2 stops
United Airlines Logo
6:10 am - 3:03 pm
SOF
-
IND
15h 53m
2 stops
$912United Airlines
Tue, May 5 - Sun, May 31
United Airlines Logo
1:55 pm - 11:00 am
IND
-
SOF
14h 05m
2 stops
United Airlines Logo
6:20 am - 3:03 pm
SOF
-
IND
15h 43m
2 stops
$922United Airlines
Tue, May 5 - Tue, Jun 2
Lufthansa Logo
10:20 am - 11:00 am
IND
-
SOF
17h 40m
2 stops
Lufthansa Logo
2:10 pm - 11:59 pm
SOF
-
IND
16h 49m
2 stops
$931Lufthansa
Booking Insights

KAYAK's insights & trends for Indianapolis to Sofia flights

Get data-powered insights and trends into flights from Indianapolis to Sofia to help you find the cheapest flights, the best time to fly and much more.

Which airlines provide the cheapest flights from Indianapolis to Sofia?

The cheapest round-trip price for the route for each airline clicked by KAYAK users in the last 72 hours.

In the past 3 days, the cheapest round-trip tickets from Indianapolis to Sofia were found on Lufthansa ($780) and United Airlines ($850).

Good to know

Cheapest flight$780
Flight from Indianapolis to Sofia

When to book flights from Indianapolis to Sofia

Are your dates flexible? Find out the best times to travel from Indianapolis to Sofia based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price
KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or round-trips with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

FAQs for booking flights from Indianapolis to Sofia

  • What is the cheapest flight from Indianapolis to Sofia?

    In the last 3 days, the lowest price for a flight from Indianapolis to Sofia was $780 for a round-trip ticket.

  • Do I need a passport to fly between Indianapolis and Sofia?

    A passport is required to fly from Indianapolis to Sofia.

  • Which aircraft models fly most regularly from Indianapolis to Sofia?

    We unfortunately don’t have that data for this specific route.

  • Which airline alliances offer flights from Indianapolis to Sofia?

    Star Alliance is the only airline alliance operating flights between Indianapolis and Sofia.

  • Which is the best airline for flights from Indianapolis to Sofia, United Airlines or Lufthansa?

    The two airlines most popular with KAYAK users for flights from Indianapolis to Sofia are United Airlines and Lufthansa. With an average price for the route of $1,116 and an overall rating of 7.4, United Airlines is the most popular choice. Lufthansa is also a great choice for the route, with an average price of $1,036 and an overall rating of 6.8.

  • How does KAYAK find such low prices on flights from Indianapolis to Sofia?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Indianapolis to Sofia.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Indianapolis to Sofia?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Sofia from Indianapolis is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Indianapolis to Sofia?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Sofia with an airline and back to Indianapolis with another airline. Booking your flights between Indianapolis and SOF can sometimes prove cheaper using this method.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Indianapolis to Sofia?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Sofia from Indianapolis up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Reviews of the top airlines flying from Indianapolis to Sofia

 
See real verified KAYAK customer reviews for airlines flying from Indianapolis to Sofia. Airline scores are aggregated from all reviews left by passengers on KAYAK after flying with an airline. KAYAK doesn’t show reviews that are older than 5 years. Learn how KAYAK collects reviews.
Need help choosing which airline to fly with from Indianapolis to Sofia? KAYAK airline reviews give an overall score for each airline based on loads of factors, including comfort, boarding, in-flight entertainment and more, to make your decision easier. See airline scores according to verified KAYAK customer reviews.
7.4
United AirlinesOverall score based on 9533 reviews
7.7Boarding
7.3Comfort
7.1Entertainment
8.1Crew
6.6Food
Airline reviews

It was perfect! I've never flown with United before, but I definitely will in the future

10.0 ExcellentAnonymous, Apr 2026
SFO - LAS
Read more United Airlines reviews

It was perfect! I've never flown with United before, but I definitely will in the future

I had a cancelled flight because of technical issues going to my destination, and a delayed flight coming home. All told it wasn’t a total bust.

Just a bad day to fly. Flight was delayed from scheduled 6:50 pm departure to 8:50 pm. Combination of factors mostly related to weather at the destination airport (which is where the incoming flight originated) which delayed the inbound flight over an hour. Once on board, we taxied but had to hold again on the taxiway for 10 minutes or so. We did not get wheels up until after 9 pm. The flight was smooth but about 18 minutes from our destination, we had to hold for several minutes more due to weather at ORD. We finally landed at ORD about 11:08 pm (accounting for the time difference, that was about a 3 hour delay from our scheduled departure time). It felt like we were never going to get to our destination. But the flight crew and attendants were very good. The movie selection onboard was also very nice. Got to watch half of a movie just during our taxi from the gate at ATL due to the delay!

Fine. The issues I had were associated with luggage being delayed from Turkey to Tanzania

No meal service to the back of the plane as it started late or was too slow to get it out before it was time to land.

Terrible, if possible won't be flying again anytime soon!

Efficient boarding and early departure. Very smooth flight. Early arrival in ATL. Great flight.

We purchase first class seats for the first time for multiples of standard economy ticket. There was no access to the club lounge and no priority boarding. The meal and the service once on the plane were superior and the seat was nicer, but not worth the price difference. I will be happy to seat in economy and spend the difference on more travel.

The business class seat is exceptional. I wish the food is more palatable.

Wonderful in-seat entertainment with seatback screens and huge selection of quality movies. The ability to bluetooth connect headphones was amazing.

Lufthansa cancelled our flight from Los Angeles to Naples Italy on March 10 for scheduled flight on March 12 Very stressful experience trying to arrange alternatives. Will never fly again with Lufthansa

Everything could have been better. What needed to be wrong with United went wrong

The staff was bit rude when I asked for an extra drink after one beer, asked for one wine glass.

Very good, i got two seats for myself, and was comfortable with the blanket i got

I hated the FRA Airport. Confusing signage, including the path to Immigration and Security It seems that the airport grew haphazardly over the years. I have been through multiple WW Hubs with much better experiences.

Economy Priority seats are extremely uncomfortable. There is no way to escape the boxed in feeling, particularely because the distance between to rows are too short, the hard edge of the front row is keeping legs confined. There is no elevated place to put your feet. I am of average, European size.

Terrible. Both flights were significantly delayed, no luggage, made me check my small bag when many, many others had much larger carry-ons, not even a bottle of water . . . I will not fly Discover Airlines again.

I was deceived on the Kayak site expecting a ticket, but instead finding a "standby" reservation. When I tried to change the ticket, I paid almost twice the price of the original ticket. Then, the airline refused to give me the reserved seat I had chosen and paid for. I think I deserve a refund for this leg of my trip because I was doubly charged and did not receive what I had paid for. I put in a complaint with Lufthansa because the ticket was sold originally sold as a flight they listed. Someone here needs to take responsibility.

Excellent service; they helped me reschedule so I can fly in an earlier flight

I had a good comfortable seat. There was nearly an hour delay. There was an accident with the champagne, but I was well compensated. These things happen sometimes.

Everything you need to know for your flight from Indianapolis to Sofia

Information on your arrival and departure airports