
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $580 (FlightHub) |
One-way from | $293 (Kiwi.com) |
Popular in | June |
Cheapest in | February |
Average price | $711 |
Fly from
Fly to
Route
Depart
Return
ChicagoSofia
ORD - SOF
ORDSOF
Chicago O'Hare Intl
Sun 4/19
9:40 pm-6:40 pm
1 stop13h 00m
Sofia
Tue 5/5
6:10 am-11:00 am
1 stop12h 50m
ChicagoSofia
ORD - SOF
ORDSOF
Chicago O'Hare Intl
Sun 5/10
2:55 pm-11:00 am
1 stop12h 05m
Sofia
Tue 5/19
6:10 am-11:00 am
1 stop12h 50m
ChicagoSofia
ORD - SOF
ORDSOF
Chicago O'Hare Intl
Mon 8/17
12:57 pm-12:10 pm
2 stops15h 13m
Sofia
Fri 9/18
2:10 pm-11:21 pm
2 stops17h 11m
ChicagoSofia
ORD - SOF
ORDSOF
Chicago O'Hare Intl
Sat 8/1
9:40 pm-12:10 pm
2 stops30h 30m
Sofia
Fri 10/2
6:20 am-11:00 am
1 stop12h 40m
ChicagoSofia
ORD - SOF
ORDSOF
Chicago O'Hare Intl
Sun 8/30
4:54 pm-7:20 pm
2 stops18h 26m
Sofia
Wed 9/30
9:25 pm-7:45 pm
2 stops30h 20m
ChicagoSofia
ORD - SOF
ORDSOF
Chicago O'Hare Intl
Mon 9/7
2:20 pm-6:40 pm
2 stops20h 20m
Sofia
Tue 9/22
12:55 pm-12:35 pm
2 stops31h 40m
ChicagoSofia
ORD - SOF
ORDSOF
Chicago O'Hare Intl
Fri 8/14
10:50 am-12:10 pm
2 stops17h 20m
Sofia
Mon 8/17
12:55 pm-2:00 pm
1 stop33h 05m
ChicagoSofia
ORD - SOF
ORDSOF
Chicago O'Hare Intl
Fri 8/21
2:20 pm-12:10 pm
2 stops13h 50m
Sofia
Mon 9/21
3:40 pm-3:55 pm
1 stop32h 15m
ChicagoSofia
ORD - SOF
ORDSOF
Chicago O'Hare Intl
Sat 9/19
8:40 pm-12:10 pm
2 stops31h 30m
Sofia
Sat 10/3
6:20 am-12:55 pm
1 stop14h 35m
ChicagoSofia
ORD - SOF
ORDSOF
Chicago O'Hare Intl
Thu 7/23
4:20 pm-2:00 pm
1 stop13h 40m
Sofia
Thu 8/13
7:00 am-5:41 pm
2 stops18h 41m
| 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 Accuracy- | Trust Score*1 star | |
| Price Accuracy1 star | Trust Score*2 stars | |
| Price Accuracy2 stars | Trust Score*2 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
The best time to book flights from Chicago O'Hare Intl Airport to Sofia is 46 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.
Currently, November is the cheapest month in which you can book a flight from Chicago O'Hare Intl Airport to Sofia (average of $472). Flying from Chicago O'Hare Intl Airport 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 43% of 1-stop itineraries from Chicago O'Hare Intl Airport to Sofia on Cheapflights.
Paris (CDG) is the most affordable 1-stop option, with an average round-trip price of $594.
Flights via Zurich (ZRH) have the shortest average one-way travel time for 1-stop routes: 11h 40m.
Flights via Zurich (ZRH) offer the fastest connection on this route, with an average layover time of 0h 48m.
Entertainment
Comfort
Crew
Food
Overall
Boarding
Reviews
Kevin,Dec 2025
WAW - JFK
Entertainment
Comfort
Crew
Food
Overall
Boarding
Reviews
Kevin,Dec 2025
WAW - JFK
Entertainment
Comfort
Crew
Food
Overall
Boarding
Reviews
Kevin,Dec 2025
WAW - JFK
Entertainment
Comfort
Crew
Food
Overall
Boarding
Reviews
Kevin,Dec 2025
WAW - JFK
Entertainment
Comfort
Crew
Food
Overall
Boarding
Reviews
Kevin,Dec 2025
WAW - JFK
Entertainment
Comfort
Crew
Food
Overall
Boarding
Reviews
Kevin,Dec 2025
WAW - JFK
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$469 | Average$1,073 | FlexibilityNo cancel fee | On-time81% | |
| Cheapest$521 | Average$712 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$533 | Average$674 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$563 | Average$795 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$565 | Average$748 | FlexibilityNo cancel fee | On-time79% | |
| Cheapest$575 | Average$846 | FlexibilityNo cancel fee | On-time78% | |
| Cheapest$580 | Average$858 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$585 | Average$880 | FlexibilityNo cancel fee | On-time81% | |
| Cheapest$585 | Average$624 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$609 | Average$689 | FlexibilityNo cancel fee | On-time70% |