IND - SOF

$880 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 5/6. 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
$880
British Airways
Wed 5/6Mon 6/1
IND - SOF • 2 stops
Top airlines
Cheapest • from $880 (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

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
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
$881British Airways
Wed, May 6 - Tue, Jun 2
United Airlines Logo
2:32 pm - 12:10 pm
IND
-
SOF
14h 38m
2 stops
United Airlines Logo
2:10 pm - 11:59 pm
SOF
-
IND
16h 49m
2 stops
$893United Airlines
Tue, May 19 - Fri, Jun 19
British Airways Logo
12:40 pm - 8:30 pm
IND
-
SOF
24h 50m
2 stops
British Airways Logo
2:15 pm - 6:07 pm
SOF
-
IND
34h 52m
2 stops
$926British Airways
Wed, May 6 - Tue, Jun 2
United Airlines Logo
12:06 pm - 12:10 pm
IND
-
SOF
17h 04m
2 stops
United Airlines Logo
2:10 pm - 10:15 pm
SOF
-
IND
39h 05m
3 stops
$998United Airlines
Wed, May 6 - Tue, Jun 2
United Airlines Logo
10:00 am - 12:10 pm
IND
-
SOF
19h 10m
2 stops
United Airlines Logo
6:10 am - 11:59 pm
SOF
-
IND
24h 49m
2 stops
$1,000United Airlines
Mon, May 18 - Tue, Jun 23
United Airlines Logo
3:40 pm - 6:40 pm
IND
-
SOF
20h 00m
2 stops
United Airlines Logo
6:10 am - 5:44 pm
SOF
-
IND
18h 34m
2 stops
$1,033United Airlines
Tue, Jul 7 - Wed, Aug 5
United Airlines Logo
2:48 pm - 6:40 pm
IND
-
SOF
20h 52m
2 stops
United Airlines Logo
8:00 am - 11:59 pm
SOF
-
IND
22h 59m
2 stops
$1,036United Airlines
Tue, May 19 - Mon, Jun 22
British Airways Logo
11:52 am - 8:30 pm
IND
-
SOF
25h 38m
2 stops
British Airways Logo
8:10 pm - 6:07 pm
SOF
-
IND
28h 57m
2 stops
$1,045British Airways
Tue, May 19 - Wed, Jun 24
British Airways Logo
11:52 am - 8:30 pm
IND
-
SOF
25h 38m
2 stops
British Airways Logo
9:25 pm - 8:37 pm
SOF
-
IND
30h 12m
2 stops
$1,046British Airways
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 British Airways ($880) and United Airlines ($893).

Good to know

Cheapest flight$880
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 $880 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 $1,103 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 $1,030 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 9555 reviews
7.7Boarding
8.1Crew
7.3Comfort
7.1Entertainment
6.6Food
Airline reviews

After arriving in Chicago, we were taxiing for 1.5 hours with infrequent and untruthful updates about the amount of time it would take to arrive at the gate. Minimally, the team could have provided timing expectations that were more truthful, especially one their original expectations were not met.

4.0 OkayAllison, Apr 2026
DCA - ORD
Read more United Airlines reviews

After arriving in Chicago, we were taxiing for 1.5 hours with infrequent and untruthful updates about the amount of time it would take to arrive at the gate. Minimally, the team could have provided timing expectations that were more truthful, especially one their original expectations were not met.

All good flight was 35 minutes early when arriving in Edinburgh

Flights were on time actually early service was good and crew cheerful

Every staff member was professional, friendly and courteous. The pizza twist was ok. It was warm but too much dough.

The boarding timing needs to be improved. The flight was delayed again because it took way too long to board. I was already exhausted from sleeping at the airport and spending all day there due to delay from my previous flight that connected in Chicago.

I had a terrible experience. My flight got delayed from Atlanta to Chicago on Monday April 6, 2026, and that led to me missing my next flight to Brussels. United Airlines didn’t provide me with any accommodation for shelter. I had to sleep at the airport in Chicago. The next flight I was put on didn’t leave until the evening hours of Tuesday 4/7/2026.

Boarding was again a "free for all". We were boarding group 4, and almost the entire plane was able to board before us. It's a shame that someone who follows the rules, gets the short end of the stick. Not fair.

Flight left on time, arrived early, pleasant staff provided water, coffee, etc. access to bathrooms was reasonable and were well maintained. blankets were available, lots of entertainment options. LUGGAGE SERVICE WAS GREAT. I got my one checked bag quickly and was able to make a bus connection for a 2 hour bus ride saving me from waiting another 1.5 hours.

The boarding process was straightforward. One pertinent observation regarding all boarding procedures is that if an individual requires assistance or possesses a special status and is part of preboarding, it is advisable to limit the number of passengers who can preboard with them, rather than the entire, sometimes large, companion groups. The seats are uncomfortable, and the entertainment options are significantly inferior compared to other airlines. During the snack service, I requested an additional bag of snacks, but my request was denied. Initially, the flight attendant agreed to my request.becoming a strange accurate moment. The flight duration was four hours.

The flight was officially delayed 3 times, and was actually later than that. Combined, it was a 3 hour delay, but there was no recognition (miles, voucher, etc). The crew seemed stressed. The captain sounded nervous in his announcements. The flight itself was smooth and uneventful.

Terrible. Lost our luggage for 4 days. Did not advise passengers there was a strike in Barcelona Airport and had zero personnel on hand at airport to advise passengers on where to go to file claims. We had to fend for ourselves. No assistance at all other than an online claims submission process that we had to find out about on our own.

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

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

Information on your arrival and departure airports