
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $560 (FlightHub) |
One-way from | $296 (Kiwi.com) |
Popular in | June |
Cheapest in | February |
Average price | $626 |
Fly from
Fly to
Route
Depart
Return
ChicagoSofia
ORD - SOF
ORDSOF
Chicago O'Hare Intl
Sat 9/5
8:40 pm-12:10 pm
2 stops31h 30m
Sofia
Sat 9/26
6:20 am-9:00 am
2 stops34h 40m
ChicagoSofia
ORD - SOF
ORDSOF
Chicago O'Hare Intl
Sun 8/30
12:57 pm-12:10 pm
2 stops15h 13m
Sofia
Mon 9/21
6:20 am-5:00 pm
2 stops18h 40m
ChicagoSofia
ORD - SOF
ORDSOF
Chicago O'Hare Intl
Tue 7/28
2:40 pm-12:10 pm
2 stops13h 30m
Sofia
Tue 8/18
6:10 am-4:55 pm
2 stops18h 45m
ChicagoSofia
ORD - SOF
ORDSOF
Chicago O'Hare Intl
Sat 5/16
8:20 pm-11:00 am
2 stops30h 40m
Sofia
Sun 8/30
6:20 am-7:55 pm
1 stop21h 35m
ChicagoSofia
ORD - SOF
ORDSOF
Chicago O'Hare Intl
Sat 4/4
2:05 pm-2:00 pm
2 stops15h 55m
Sofia
Thu 5/7
7:00 am-6:15 pm
2 stops19h 15m
ChicagoSofia
ORD - SOF
ORDSOF
Chicago O'Hare Intl
Thu 4/9
1:57 pm-2:00 pm
2 stops16h 03m
Sofia
Tue 4/14
7:00 am-5:41 pm
2 stops18h 41m
ChicagoSofia
ORD - SOF
ORDSOF
Chicago O'Hare Intl
Fri 8/7
1:30 pm-2:00 pm
2 stops16h 30m
Sofia
Mon 9/7
7:00 am-5:41 pm
2 stops18h 41m
ChicagoSofia
ORD - SOF
ORDSOF
Chicago O'Hare Intl
Fri 5/15
5:55 pm-10:30 pm
2 stops20h 35m
Sofia
Wed 6/17
8:00 am-9:32 pm
2 stops21h 32m
ChicagoSofia
ORD - SOF
ORDSOF
Chicago O'Hare Intl
Mon 3/23
7:00 pm-1:15 pm
1 stop11h 15m
Sofia
Sat 5/30
6:20 am-2:55 pm
1 stop16h 35m
ChicagoSofia
ORD - SOF
ORDSOF
Chicago O'Hare Intl
Tue 5/19
4:00 pm-6:00 pm
2 stops18h 00m
Sofia
Fri 6/12
6:20 am-12:55 pm
1 stop14h 35m
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*2 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy1 star | Trust Score*2 stars | |
| Price Accuracy- | Trust Score*1 star |
The price you pay for your flight from Chicago to Sofia may vary depending on when you book. For the best chance of a lower fare, look to book 42 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.
Currently, November is the cheapest month in which you can book a flight from Chicago to Sofia (average of $472). Flying from Chicago to Sofia in June is currently the most expensive (average of $825). 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.
Warsaw (WAW) – chosen by Cheapflights users on 40% of 1-stop itineraries from Chicago to Sofia on Cheapflights.
Istanbul (IST) is the most affordable 1-stop option, with an average round-trip price of $523.
Flights via Vienna (VIE) have the shortest average one-way travel time for 1-stop routes: 11h 20m.
Flights via Zurich (ZRH) offer the fastest connection on this route, with an average layover time of 0h 48m.
Comfort
Overall
Boarding
Food
Crew
Entertainment
Reviews
Rami,Sep 2025
LAX - WAW
Comfort
Overall
Boarding
Food
Crew
Entertainment
Reviews
Rami,Sep 2025
LAX - WAW
Comfort
Overall
Boarding
Food
Crew
Entertainment
Reviews
Rami,Sep 2025
LAX - WAW
Comfort
Overall
Boarding
Food
Crew
Entertainment
Reviews
Rami,Sep 2025
LAX - WAW
Comfort
Overall
Boarding
Food
Crew
Entertainment
Reviews
Rami,Sep 2025
LAX - WAW
Comfort
Overall
Boarding
Food
Crew
Entertainment
Reviews
Rami,Sep 2025
LAX - WAW
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$469 | Average$991 | FlexibilityNo cancel fee | On-time81% | |
| Cheapest$521 | Average$743 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$533 | Average$652 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$565 | Average$760 | FlexibilityNo cancel fee | On-time79% | |
| Cheapest$566 | Average$791 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$583 | Average$869 | FlexibilityNo cancel fee | On-time81% | |
| Cheapest$585 | Average$624 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$586 | Average$874 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$587 | Average$848 | FlexibilityNo cancel fee | On-time78% | |
| Cheapest$609 | Average$749 | FlexibilityNo cancel fee | On-time70% |