Cheap flights from Chicago (CHI) to Sofia (SOF)

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The best prices from Chicago to Sofia are usually found in February or January, booked 0 days in advance, depart on a Saturday or Wednesday and return on a Thursday

How to find the cheapest flight from
Chicago (CHI) to Sofia (SOF)

All the information you need to plan the best CHI to SOF flight in 2022: compare Chicago to Sofia flight prices with the expected peak season, weather and rainfall in Sofia.
CHI - SOF
Price
$494 - $943
SOF
Temperature
30.2 - 68 °F
SOF
Rainfall
1.2 - 2.8 inches

Popular in

June

High demand for flights, 32% potential price rise

Cheapest in

February

Best time to find cheap flights, 23% potential price drop

Round-trip from

$494

From Chicago (CHI) to Sofia

One-way from

$374

One-way flight from Chicago (CHI) to Sofia

Flight route prices based on searches on Cheapflights within the last 3 days, monthly prices based on aggregated historical data.
What is the cheapest day to fly round-trip from Chicago to Sofia?

Sunday flights are found to be more expensive to fly from Chicago to Sofia. This shouldn’t discourage you from searching, as you can still find great deals by being flexible with your options. Use our search form to find deals on tickets to Sofia.

When is the cheapest time to fly from Chicago to Sofia (CHI - SOF)?

It’s optimal to fly from Chicago to Sofia in the afternoon. By choosing this option you can save up to 12% on the cost of your flight, compared to a flight at noon.

What is the cheapest month to fly from Chicago to Sofia?

February can be a great time to fly to Sofia from Chicago with a flight ticket averaging about $640. Cheapflights users have found deals in the month of February for as cheap as $410. The most expensive prices can be found in the month of June.

Cheap flights from Chicago to Sofia in August, September 2022

The best prices found for CHI to SOF flights for August, September
7 Sep - 7 Oct
$489pp
ORD
Chicago O'Hare Intl
LOT
 
1 STOP
SOF
Sofia
SOF
Sofia
LOT
 
1 STOP
ORD
Chicago O'Hare Intl
27 Sep - 25 Oct
$490pp
ORD
Chicago O'Hare Intl
LOT
 
1 STOP
SOF
Sofia
SOF
Sofia
LOT
 
1 STOP
ORD
Chicago O'Hare Intl
7 Sep - 27 Sep
$492pp
ORD
Chicago O'Hare Intl
LOT
 
1 STOP
SOF
Sofia
SOF
Sofia
LOT
 
1 STOP
ORD
Chicago O'Hare Intl

Chicago to Sofia 2022 flight deals

Cheap flights to Sofia from Chicago found for this year
7 Nov - 17 Nov
$454pp
ORD
Chicago O'Hare Intl
LOT
 
1 STOP
SOF
Sofia
SOF
Sofia
LOT
 
1 STOP
ORD
Chicago O'Hare Intl
14 Nov - 28 Nov
$456pp
ORD
Chicago O'Hare Intl
LOT
 
1 STOP
SOF
Sofia
SOF
Sofia
LOT
 
1 STOP
ORD
Chicago O'Hare Intl
14 Nov - 13 Dec
$458pp
ORD
Chicago O'Hare Intl
LOT
 
1 STOP
SOF
Sofia
SOF
Sofia
LOT
 
1 STOP
ORD
Chicago O'Hare Intl

Cheap LOT flights from Chicago to Sofia

7 Nov - 17 Nov
$454pp
ORD
Chicago O'Hare Intl
LOT
 
1 STOP
SOF
Sofia
SOF
Sofia
LOT
 
1 STOP
ORD
Chicago O'Hare Intl
14 Nov - 28 Nov
$456pp
ORD
Chicago O'Hare Intl
LOT
 
1 STOP
SOF
Sofia
SOF
Sofia
LOT
 
1 STOP
ORD
Chicago O'Hare Intl
14 Nov - 13 Dec
$458pp
ORD
Chicago O'Hare Intl
LOT
 
1 STOP
SOF
Sofia
SOF
Sofia
LOT
 
1 STOP
ORD
Chicago O'Hare Intl

Cheap Lufthansa flights from Chicago to Sofia

6 Oct - 20 Oct
$508pp
ORD
Chicago O'Hare Intl
Lufthansa
 
1 STOP
SOF
Sofia
SOF
Sofia
Lufthansa
 
1 STOP
ORD
Chicago O'Hare Intl
9 Jan - 23 Jan
$514pp
ORD
Chicago O'Hare Intl
Lufthansa
 
1 STOP
SOF
Sofia
SOF
Sofia
Lufthansa
 
1 STOP
ORD
Chicago O'Hare Intl
25 Sep - 2 Oct
$522pp
ORD
Chicago O'Hare Intl
Lufthansa
 
1 STOP
SOF
Sofia
SOF
Sofia
Lufthansa
 
1 STOP
ORD
Chicago O'Hare Intl

Last minute flights from Chicago to Sofia

Late deals on round-trip flights to Sofia from Chicago, departing today and this week
22 Aug - 7 Nov
$523pp
ORD
Chicago O'Hare Intl
Air France
 
1 STOP
SOF
Sofia
SOF
Sofia
Air France
 
1 STOP
ORD
Chicago O'Hare Intl
19 Aug - 7 Sep
$525pp
ORD
Chicago O'Hare Intl
United Airlines
 
1 STOP
SOF
Sofia
SOF
Sofia
United Airlines
   
2 STOPS
ORD
Chicago O'Hare Intl
22 Aug - 20 Sep
$533pp
ORD
Chicago O'Hare Intl
Delta
 
1 STOP
SOF
Sofia
SOF
Sofia
Delta
   
2 STOPS
ORD
Chicago O'Hare Intl

One-way flights to Sofia from Chicago

The cheapest one-way flights from Chicago to Sofia
7:30 am - 10:35 am
Turkish Airlines
1 Stop
19h 05m
ORD - SOF
Turkish Airlines
$374
oojo
9:35 am - 1:15 pm
ITA Airways
2 Stops
43h 40m
ORD - SOF
ITA Airways
$444
ChatDeal
2:00 pm - 7:55 am
British Airways
1 Stop
33h 55m
ORD - SOF
British Airways
$479
ChatDeal

Related info for your journey

Useful info, stats and facts about <span class="emphasized">Chicago</span> to <span class="emphasized">Sofia</span> flights.

Flight FAQs

From Chicago to Sofia

What airport do you fly into for flights to Sofia from Chicago?

Sofia (SOF) is the airport you will fly into if you book a flight from Chicago to Sofia. You should not have trouble finding flights to Sofia from Chicago; the airport handles an average of 0 inbound flights from Chicago per day. You should also have plenty of airline options to choose from since 13 airlines have flights to the Sofia airport from Chicago. It is only a 4.2 mi journey from Sofia (SOF) to Sofia’s city center.

Which airlines flying from Chicago to Sofia have flexible cancellations due to COVID-19?

Due to the rapidly changing circumstances due to COVID-19, airlines like Lufthansa, LOT, and Turkish Airlines flying from Chicago to Sofia have implemented new flexible cancellation policies.

Can I find flights from Chicago to Sofia for under $500 on Cheapflights?

Yes, there are multiple flights from Chicago to Sofia for under $500. The cheapest flight booked recently is on LOT for just $454, but on average you can expect to pay $485.

Are there last-minute flights available from Chicago to Sofia for under $600?

There are currently 20+ open flights from Chicago to Sofia within the next 7 days for less than $600.

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

According to our current data, LOT ($454), Lufthansa ($508), and United Airlines ($513) offers the cheapest pricing from Chicago to Sofia. LOT is currently priced 29% below the average price you’ll pay for this route.

What are the cheapest airlines to fly from Chicago to Sofia one-way?

The cheapest airline one-way is Turkish Airlines, with whom users have recently found tickets for as low as $374. However, be on the lookout for offers from ITA Airways and British Airways, as they are both options that can get you from Chicago to Sofia for a low price.

What are the cheapest flights from Chicago to Sofia?

The cheapest flight price from Chicago to Sofia is $421. On average you can expect to pay $1,219. The most popular route, (Chicago O'Hare Intl - Sofia), can usually be booked for $496.

What are the most popular airlines that fly from Chicago to Sofia?

Undisclosed Carrier, Air France and British Airways are the most popular airlines when flying from Chicago to Sofia.

COVID Restrictions

View COVID Travel Restrictions for Sofia, Bulgaria

Do I need a COVID test to fly to Sofia from Chicago?

Information is based on travel restrictions from Chicago to Sofia

Most visitors from Chicago can enter Sofia without restrictions.

COVID-19 testing requirements
Visitors from Chicago are not required to present a negative COVID-19 PCR test or antigen result upon entering Sofia.

Quarantine requirements
Visitors from Chicago are not required to quarantine after entering Sofia.

Do I need a test to fly back to Chicago from Sofia?

Returning to Chicago from Sofia

COVID-19 testing requirements
Visitors from Sofia are not required to present a negative COVID-19 PCR test or antigen result upon entering Chicago.

Quarantine requirements
Visitors from Sofia are not required to quarantine after entering Chicago.

Hide COVID Travel Restrictions for Sofia, Bulgaria

Top 10 airlines flying from Chicago to Sofia

The chart below displays the airlines Cheapflights users traveling from Chicago to Sofia choose most often. Cheapest and average prices are based on aggregated data from the past 12 months.
Airline Cheapest Average Flexibility On-time COVID-19 safety
Juneyao Airlines
$14 $25 No cancel fee 66%

We couldn't confirm the COVID-19 safety measures taken by Juneyao Airlines. Please check directly on their website for additional information.

KLM
$402 $571 No cancel fee 75%
Lufthansa
$473 $764 No cancel fee 76%
LOT
$479 $738 No cancel fee 81%
Austrian Airlines
$498 $730 No cancel fee 78%
Turkish Airlines
$521 $678 No cancel fee 77%
Air France
$523 $646 No cancel fee 77%
SWISS
$536 $792 No cancel fee 79%
United Airlines
$546 $790 No cancel fee 69%
British Airways
$573 $698 No cancel fee 70%
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