
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $676 (Justfly.com) |
One-way from | $316 (Kiwi.com) |
Popular in | June |
Cheapest in | February |
Average price | $721 |
Fly from
Fly to
Route
Depart
Return
ChicagoVarna
ORD - VAR
ORDVAR
Chicago O'Hare Intl
Thu 10/15
8:10 pm-2:55 am
1 stop22h 45m
Varna
Mon 10/19
10:10 pm-9:40 am
1 stop19h 30m
ChicagoSofia
ORD - SOF
ORDSOF
Chicago O'Hare Intl
Mon 8/3
4:40 pm-3:30 pm
1 stop14h 50m
Sofia
Sat 10/3
5:00 am-9:15 pm
1 stop24h 15m
ChicagoVarna
ORD - VAR
ORDVAR
Chicago O'Hare Intl
Sat 8/15
9:40 pm-7:35 pm
2 stops37h 55m
Varna
Tue 8/25
9:10 pm-3:55 pm
1 stop26h 45m
ChicagoSofia
ORD - SOF
ORDSOF
Chicago O'Hare Intl
Tue 9/1
12:57 pm-12:10 pm
2 stops15h 13m
Sofia
Wed 9/30
6:20 am-8:12 pm
2 stops21h 52m
ChicagoSofia
ORD - SOF
ORDSOF
Chicago O'Hare Intl
Tue 9/8
12:57 pm-12:10 pm
2 stops15h 13m
Sofia
Wed 9/30
6:20 am-2:52 pm
2 stops16h 32m
ChicagoSofia
ORD - SOF
ORDSOF
Chicago O'Hare Intl
Tue 7/28
1:00 pm-2:00 pm
2 stops17h 00m
Sofia
Tue 8/18
7:00 am-6:07 pm
2 stops19h 07m
ChicagoSofia
ORD - SOF
ORDSOF
Chicago O'Hare Intl
Tue 7/28
3:10 pm-1:05 pm
1 stop13h 55m
Sofia
Tue 8/18
2:10 pm-2:55 pm
1 stop32h 45m
ChicagoSofia
ORD - SOF
ORDSOF
Chicago O'Hare Intl
Mon 8/17
1:30 pm-2:00 pm
2 stops16h 30m
Sofia
Mon 8/31
7:00 am-4:45 pm
2 stops17h 45m
ChicagoSofia
ORD - SOF
ORDSOF
Chicago O'Hare Intl
Fri 8/7
1:00 pm-2:00 pm
2 stops17h 00m
Sofia
Sat 8/22
7:00 am-3:10 pm
1 stop16h 10m
ChicagoSofia
ORD - SOF
ORDSOF
Chicago O'Hare Intl
Sat 8/1
2:31 pm-2:00 pm
2 stops15h 29m
Sofia
Tue 9/8
7:00 am-3:10 pm
1 stop16h 10m
Currently, October is the cheapest month in which you can book a flight from Chicago O'Hare Intl Airport to Bulgaria (average of $396). Flying from Chicago O'Hare Intl Airport to Bulgaria in June is currently the most expensive (average of $1,346). 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.
Food
Boarding
Entertainment
Crew
Overall
Comfort
Reviews
Thomas,Mar 2026
BOS - ZRH
Food
Boarding
Entertainment
Crew
Overall
Comfort
Reviews
Thomas,Mar 2026
BOS - ZRH
Food
Boarding
Entertainment
Crew
Overall
Comfort
Reviews
Thomas,Mar 2026
BOS - ZRH
Food
Boarding
Entertainment
Crew
Overall
Comfort
Reviews
Thomas,Mar 2026
BOS - ZRH
Food
Boarding
Entertainment
Crew
Overall
Comfort
Reviews
Thomas,Mar 2026
BOS - ZRH
Food
Boarding
Entertainment
Crew
Overall
Comfort
Reviews
Thomas,Mar 2026
BOS - ZRH
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$425 | Average$654 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$508 | Average$1,134 | FlexibilityNo cancel fee | On-time81% | |
| Cheapest$521 | Average$814 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$561 | Average$820 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$564 | Average$821 | FlexibilityNo cancel fee | On-time79% | |
| Cheapest$575 | Average$844 | FlexibilityNo cancel fee | On-time78% | |
| Cheapest$580 | Average$870 | FlexibilityNo cancel fee | On-time81% | |
| Cheapest$582 | Average$823 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$585 | Average$624 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$609 | Average$649 | FlexibilityNo cancel fee | On-time70% |