Fare Guide

Estimated lowest fares found within 7 days

Cheapest Airline Turkish Airlines

The cheapest airline(s) flying from Chicago to Sofia is Turkish Airlines.

  • Turkish Airlines Turkish Airlines
  • United Airlines United Airlines
  • British Airways British Airways
  • Lufthansa Lufthansa
  • Air Canada Air Canada
  • Air France Air France
  • LOT Polish Airlines LOT Polish Airlines
  • Austrian Airlines Austrian Airlines
  • Swiss Swiss
  • KLM KLM
Cheapest Month March

Travel Period: February 2025 - January 2026

The cheapest month(s) to fly from Chicago to Sofia is March.

  • Feb 2025
  • Mar 2025
  • Apr 2025
  • May 2025
  • Jun 2025
  • Jul 2025
  • Aug 2025
  • Sep 2025
  • Oct 2025
  • Nov 2025
  • Dec 2025
  • Jan 2026
Cheapest Day of the Week Saturday

The cheapest day(s) of the week to fly from Chicago to Sofia is Saturday.

  • Sun Sunday
  • Mon Monday
  • Tue Tuesday
  • Wed Wednesday
  • Thu Thursday
  • Fri Friday
  • Sat Saturday

Flight Schedules

Last Updated: Thu, 2 Jan, 2025

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  • Availability
    • M
    • T
    • W
    • T
    • F
    • S
    • S
  • 18:25 ORD
    16:20 SOF
    13Hrs, 55m 1 Stop (LHR)
  • ORDChicago O'Hare International Airport 18:25 - SOF 16:20 13h 55m 1 Stop (LHR) London
  • ORDChicago O'Hare International Airport 18:25
    LHRLondon Heathrow Airport 11:10
  • LHRLondon Heathrow Airport 08:15
    SOFSofia Airport 16:20
  • 13h 55m (2h 55m)
  • 1 Stop LHR · London 2h 55m
  • American Airlines (AA 86)Boeing 787 9
    British Airways (BA 890)Airbus Industrie A320 Sharklets
  • American Airlines (AA 86)
    • -
    • -
    • -
    • -
    • -
    • -
    • S
  • 18:25 ORD
    17:10 SOF
    14Hrs, 45m 1 Stop (LHR)
  • ORDChicago O'Hare International Airport 18:25 - SOF 17:10 14h 45m 1 Stop (LHR) London
  • ORDChicago O'Hare International Airport 18:25
    LHRLondon Heathrow Airport 12:00
  • LHRLondon Heathrow Airport 08:15
    SOFSofia Airport 17:10
  • 14h 45m (3h 45m)
  • 1 Stop LHR · London 3h 45m
  • American Airlines (AA 86)Boeing 787 9
    British Airways (BA 890)Airbus Industrie A320 Sharklets
  • American Airlines (AA 86)
    • M
    • -
    • -
    • -
    • -
    • -
    • -
  • 19:05 ORD
    15:15 SOF
    12Hrs, 10m 1 Stop (ZRH)
  • ORDChicago O'Hare International Airport 19:05 - SOF 15:15 12h 10m 1 Stop (ZRH) Zurich
  • ORDChicago O'Hare International Airport 19:05
    ZRHZurich Airport 12:00
  • ZRHZurich Airport 10:45
    SOFSofia Airport 15:15
  • 12h 10m (1h 15m)
  • 1 Stop ZRH · Zurich 1h 15m
  • Swiss (LX 9)Airbus Industrie 330 300
    Swiss (LX 1390)Airbus A220 100 Passenger
  • Swiss (LX 9)
    • -
    • -
    • W
    • -
    • -
    • -
    • -
  • 20:30 ORD
    20:50 SOF
    16Hrs, 20m 1 Stop (IST)
  • ORDChicago O'Hare International Airport 20:30 - SOF 20:50 16h 20m 1 Stop (IST) Istanbul
  • ORDChicago O'Hare International Airport 20:30
    ISTIstanbul Airport 20:30
  • ISTIstanbul Airport 16:10
    SOFSofia Airport 20:50
  • 16h 20m (4h 20m)
  • 1 Stop IST · Istanbul 4h 20m
  • Turkish Airlines (TK 6)Boeing 777 300 Er
    Turkish Airlines (TK 1029)Boeing 737
  • Turkish Airlines (TK 6)
    • -
    • -
    • -
    • -
    • -
    • S
    • -
  • 21:45 ORD
    19:25 SOF
    13Hrs, 40m 1 Stop (LHR)
  • ORDChicago O'Hare International Airport 21:45 - SOF 19:25 13h 40m 1 Stop (LHR) London
  • ORDChicago O'Hare International Airport 21:45
    LHRLondon Heathrow Airport 14:15
  • LHRLondon Heathrow Airport 11:30
    SOFSofia Airport 19:25
  • 13h 40m (2h 45m)
  • 1 Stop LHR · London 2h 45m
  • British Airways (BA 296)Boeing Dreamliner Series 10
    British Airways (BA 890)Airbus Industrie A320 Sharklets
  • British Airways (BA 296)
    • -
    • -
    • -
    • T
    • -
    • -
    • -
  • 22:00 ORD
    19:25 SOF
    13Hrs, 25m 1 Stop (LHR)
  • ORDChicago O'Hare International Airport 22:00 - SOF 19:25 13h 25m 1 Stop (LHR) London
  • ORDChicago O'Hare International Airport 22:00
    LHRLondon Heathrow Airport 14:15
  • LHRLondon Heathrow Airport 11:40
    SOFSofia Airport 19:25
  • 13h 25m (2h 35m)
  • 1 Stop LHR · London 2h 35m
  • American Airlines (AA 90)Boeing 787 9
    British Airways (BA 890)Airbus Industrie A320 Sharklets
  • American Airlines (AA 90)
    • -
    • -
    • -
    • T
    • -
    • -
    • -
  • 09:20 VIE
    15:45 YYZ
    14Hrs, 59m 1 Stop (SOF)
  • VIEVienna Airport 09:20 - YYZ 15:45 14h 59m 1 Stop (SOF) Sofia
  • VIEVienna Airport 09:20
    ORDChicago O'Hare International Airport 12:51
  • SOFSofia Airport 11:50
    YYZToronto Lester B Pearson Intl Airport 15:45
  • 14h 59m (2h 55m)
  • 1 Stop SOF · Sofia 2h 55m
  • Austrian Airlines (OS 795)Airbus
    United Airlines (UA 3505)Embraer 170
  • Austrian Airlines (OS 795)
    • -
    • -
    • -
    • -
    • -
    • -
    • S
  • 09:20 VIE
    16:13 IAD
    14Hrs, 35m 1 Stop (SOF)
  • VIEVienna Airport 09:20 - IAD 16:13 14h 35m 1 Stop (SOF) Sofia
  • VIEVienna Airport 09:20
    ORDChicago O'Hare International Airport 13:15
  • SOFSofia Airport 11:50
    IADWashington Dulles International Airport 16:13
  • 14h 35m (2h 37m)
  • 1 Stop SOF · Sofia 2h 37m
  • Austrian Airlines (OS 795)Embraer 195
    United Airlines (UA 1830)Airbus
  • Austrian Airlines (OS 795)
    • -
    • -
    • -
    • -
    • -
    • S
    • -
  • 10:10 MUC
    16:13 IAD
    15Hrs, 45m 1 Stop (SOF)
  • MUCMunich International Airport 10:10 - IAD 16:13 15h 45m 1 Stop (SOF) Sofia
  • MUCMunich International Airport 10:10
    ORDChicago O'Hare International Airport 13:15
  • SOFSofia Airport 13:00
    IADWashington Dulles International Airport 16:13
  • 15h 45m (3h 32m)
  • 1 Stop SOF · Sofia 3h 32m
  • Lufthansa (LH 1702)Airbus Industrie A320 Sharklets
    United Airlines (UA 1830)Airbus
  • Lufthansa (LH 1702)
    • -
    • -
    • -
    • -
    • -
    • S
    • -
  • 09:20 VIE
    16:20 IAD
    14Hrs, 28m 1 Stop (SOF)
  • VIEVienna Airport 09:20 - IAD 16:20 14h 28m 1 Stop (SOF) Sofia
  • VIEVienna Airport 09:20
    ORDChicago O'Hare International Airport 13:22
  • SOFSofia Airport 11:50
    IADWashington Dulles International Airport 16:20
  • 14h 28m (2h 30m)
  • 1 Stop SOF · Sofia 2h 30m
  • Austrian Airlines (OS 795)Airbus
    United Airlines (UA 1830)Boeing 737 900
  • Austrian Airlines (OS 795)
    • -
    • -
    • -
    • -
    • -
    • -
    • S
  • 09:20 VIE
    17:13 BOS
    13Hrs, 55m 1 Stop (SOF)
  • VIEVienna Airport 09:20 - BOS 17:13 13h 55m 1 Stop (SOF) Sofia
  • VIEVienna Airport 09:20
    ORDChicago O'Hare International Airport 13:55
  • SOFSofia Airport 11:50
    BOSBoston Logan International Airport 17:13
  • 13h 55m (2h 12m)
  • 1 Stop SOF · Sofia 2h 12m
  • Austrian Airlines (OS 795)Airbus
    United Airlines (UA 580)Airbus A321 Neo
  • Austrian Airlines (OS 795)
    • -
    • -
    • -
    • -
    • -
    • -
    • S
  • 10:10 FRA
    17:19 YUL
    15Hrs, 24m 1 Stop (SOF)
  • FRAFrankfurt International Airport 10:10 - YUL 17:19 15h 24m 1 Stop (SOF) Sofia
  • FRAFrankfurt International Airport 10:10
    ORDChicago O'Hare International Airport 14:01
  • SOFSofia Airport 13:25
    YULMontreal Pierre Elliott Trudeau Int Airport 17:19
  • 15h 24m (3h 26m)
  • 1 Stop SOF · Sofia 3h 26m
  • Lufthansa (LH 1426)Airbus Industrie A320 Sharklets
    United Airlines (UA 3448)Embraer 175
  • Lufthansa (LH 1426)
    • -
    • -
    • -
    • T
    • -
    • -
    • -
  • 10:10 FRA
    17:47 EWR
    14Hrs, 55m 1 Stop (SOF)
  • FRAFrankfurt International Airport 10:10 - EWR 17:47 14h 55m 1 Stop (SOF) Sofia
  • FRAFrankfurt International Airport 10:10
    ORDChicago O'Hare International Airport 14:30
  • SOFSofia Airport 13:25
    EWRNewark Liberty International Airport 17:47
  • 14h 55m (2h 53m)
  • 1 Stop SOF · Sofia 2h 53m
  • Lufthansa (LH 1426)Airbus Industrie A320 Sharklets
    United Airlines (UA 2115)Boeing 757 200 Series
  • Lufthansa (LH 1426)
    • -
    • -
    • -
    • T
    • -
    • -
    • -
  • 15:15 ORD
    13:25 SOF
    14Hrs, 10m 1 Stop (FRA)
  • ORDChicago O'Hare International Airport 15:15 - SOF 13:25 14h 10m 1 Stop (FRA) Frankfurt
  • ORDChicago O'Hare International Airport 15:15
    FRAFrankfurt International Airport 10:10
  • FRAFrankfurt International Airport 06:35
    SOFSofia Airport 13:25
  • 14h 10m (3h 35m)
  • 1 Stop FRA · Frankfurt 3h 35m
  • United Airlines (UA 944)Boeing Dreamliner Series 10
    Lufthansa (LH 1426)Airbus Industrie A320 Sharklets
  • United Airlines (UA 944)
    • -
    • -
    • -
    • T
    • -
    • -
    • -
  • 15:55 ORD
    13:25 SOF
    13Hrs, 30m 1 Stop (FRA)
  • ORDChicago O'Hare International Airport 15:55 - SOF 13:25 13h 30m 1 Stop (FRA) Frankfurt
  • ORDChicago O'Hare International Airport 15:55
    FRAFrankfurt International Airport 10:10
  • FRAFrankfurt International Airport 07:25
    SOFSofia Airport 13:25
  • 13h 30m (2h 45m)
  • 1 Stop FRA · Frankfurt 2h 45m
  • Lufthansa (LH 431)Airbus Industrie A340 600
    Lufthansa (LH 1426)Airbus Industrie A320 Sharklets
  • Lufthansa (LH 431)
    • -
    • -
    • -
    • T
    • -
    • -
    • -
  • 16:10 ORD
    14:15 SOF
    14Hrs, 05m 1 Stop (ZRH)
  • ORDChicago O'Hare International Airport 16:10 - SOF 14:15 14h 05m 1 Stop (ZRH) Zurich
  • ORDChicago O'Hare International Airport 16:10
    ZRHZurich Airport 11:00
  • ZRHZurich Airport 07:55
    SOFSofia Airport 14:15
  • 14h 05m (3h 05m)
  • 1 Stop ZRH · Zurich 3h 05m
  • United Airlines (UA 3)Boeing 767
    Swiss (LX 1390)Airbus
  • United Airlines (UA 3)
    • -
    • -
    • -
    • -
    • -
    • -
    • S
  • 16:10 ORD
    15:15 SOF
    15Hrs, 05m 1 Stop (ZRH)
  • ORDChicago O'Hare International Airport 16:10 - SOF 15:15 15h 05m 1 Stop (ZRH) Zurich
  • ORDChicago O'Hare International Airport 16:10
    ZRHZurich Airport 12:00
  • ZRHZurich Airport 07:55
    SOFSofia Airport 15:15
  • 15h 05m (4h 05m)
  • 1 Stop ZRH · Zurich 4h 05m
  • United Airlines (UA 3)Boeing 767
    Swiss (LX 1390)Airbus A220 100 Passenger
  • United Airlines (UA 3)
    • -
    • -
    • W
    • -
    • -
    • -
    • -
  • 16:20 ORD
    11:50 SOF
    11Hrs, 30m 1 Stop (VIE)
  • ORDChicago O'Hare International Airport 16:20 - SOF 11:50 11h 30m 1 Stop (VIE) Vienna
  • ORDChicago O'Hare International Airport 16:20
    VIEVienna Airport 09:20
  • VIEVienna Airport 08:05
    SOFSofia Airport 11:50
  • 11h 30m (1h 15m)
  • 1 Stop VIE · Vienna 1h 15m
  • Austrian Airlines (OS 66)Boeing 777 200
    Austrian Airlines (OS 795)Embraer 195
  • Austrian Airlines (OS 66)
    • M
    • -
    • W
    • -
    • F
    • S
    • -
  • 11:10 LHR
    19:27 CLT
    15Hrs, 59m 1 Stop (SOF)
  • LHRLondon Heathrow Airport 11:10 - CLT 19:27 15h 59m 1 Stop (SOF) Sofia
  • LHRLondon Heathrow Airport 11:10
    ORDChicago O'Hare International Airport 16:21
  • SOFSofia Airport 16:20
    CLTCharlotte Airport 19:27
  • 15h 59m (2h 48m)
  • 1 Stop SOF · Sofia 2h 48m
  • British Airways (BA 890)Airbus Industrie A320 Sharklets
    American Airlines (AA 627)Boeing 737 800
  • British Airways (BA 890)
    • -
    • -
    • -
    • -
    • -
    • -
    • S
  • 16:25 ORD
    14:05 SOF
    13Hrs, 40m 1 Stop (AMS)
  • ORDChicago O'Hare International Airport 16:25 - SOF 14:05 13h 40m 1 Stop (AMS) Amsterdam
  • ORDChicago O'Hare International Airport 16:25
    AMSAmsterdam Airport 10:20
  • AMSAmsterdam Airport 07:10
    SOFSofia Airport 14:05
  • 13h 40m (3h 10m)
  • 1 Stop AMS · Amsterdam 3h 10m
  • KLM (KL 612)Boeing 777 200
    Bulgaria Air (FB 462)Airbus A220 300
  • KLM (KL 612)
    • -
    • -
    • -
    • -
    • F
    • -
    • S
  • 11:10 LHR
    19:40 JFK
    15Hrs, 52m 1 Stop (SOF)
  • LHRLondon Heathrow Airport 11:10 - JFK 19:40 15h 52m 1 Stop (SOF) Sofia
  • LHRLondon Heathrow Airport 11:10
    ORDChicago O'Hare International Airport 16:28
  • SOFSofia Airport 16:20
    JFKNew York John F. Kennedy International Airport 19:40
  • 15h 52m (3h 35m)
  • 1 Stop SOF · Sofia 3h 35m
  • British Airways (BA 890)Airbus Industrie A320 Sharklets
    American Airlines (AA 696)Boeing 737 800
  • British Airways (BA 890)
    • -
    • -
    • -
    • -
    • -
    • -
    • S
  • 11:10 LHR
    19:40 JFK
    15Hrs, 52m 1 Stop (SOF)
  • LHRLondon Heathrow Airport 11:10 - JFK 19:40 15h 52m 1 Stop (SOF) Sofia
  • LHRLondon Heathrow Airport 11:10
    ORDChicago O'Hare International Airport 16:28
  • SOFSofia Airport 16:20
    JFKNew York John F. Kennedy International Airport 19:40
  • 15h 52m (3h 30m)
  • 1 Stop SOF · Sofia 3h 30m
  • British Airways (BA 890)Airbus Industrie A320 Sharklets
    American Airlines (AA 696)Boeing 737 800
  • British Airways (BA 890)
    • -
    • -
    • -
    • -
    • -
    • -
    • S
  • 12:00 LHR
    19:56 PHL
    16Hrs, 15m 1 Stop (SOF)
  • LHRLondon Heathrow Airport 12:00 - PHL 19:56 16h 15m 1 Stop (SOF) Sofia
  • LHRLondon Heathrow Airport 12:00
    ORDChicago O'Hare International Airport 16:55
  • SOFSofia Airport 17:10
    PHLPhiladelphia International Airport 19:56
  • 16h 15m (3h 59m)
  • 1 Stop SOF · Sofia 3h 59m
  • British Airways (BA 890)Airbus Industrie A320 Sharklets
    American Airlines (AA 1941)Boeing 737 800
  • British Airways (BA 890)
    • M
    • -
    • -
    • -
    • -
    • -
    • -
  • 17:00 ORD
    14:10 SOF
    13Hrs, 10m 1 Stop (LHR)
  • ORDChicago O'Hare International Airport 17:00 - SOF 14:10 13h 10m 1 Stop (LHR) London
  • ORDChicago O'Hare International Airport 17:00
    LHRLondon Heathrow Airport 09:00
  • LHRLondon Heathrow Airport 06:50
    SOFSofia Airport 14:10
  • 13h 10m (2h 10m)
  • 1 Stop LHR · London 2h 10m
  • British Airways (BA 294)Boeing 777
    British Airways (BA 890)Airbus Industrie A320 Sharklets
  • British Airways (BA 294)
    • -
    • T
    • -
    • -
    • -
    • -
    • -
  • 17:00 ORD
    16:20 SOF
    15Hrs, 20m 1 Stop (LHR)
  • ORDChicago O'Hare International Airport 17:00 - SOF 16:20 15h 20m 1 Stop (LHR) London
  • ORDChicago O'Hare International Airport 17:00
    LHRLondon Heathrow Airport 11:10
  • LHRLondon Heathrow Airport 06:50
    SOFSofia Airport 16:20
  • 15h 20m (4h 20m)
  • 1 Stop LHR · London 4h 20m
  • British Airways (BA 294)Boeing 777
    British Airways (BA 890)Airbus Industrie A320 Sharklets
  • British Airways (BA 294)
    • -
    • -
    • -
    • -
    • -
    • -
    • S
  • 17:00 ORD
    17:10 SOF
    16Hrs, 10m 1 Stop (LHR)
  • ORDChicago O'Hare International Airport 17:00 - SOF 17:10 16h 10m 1 Stop (LHR) London
  • ORDChicago O'Hare International Airport 17:00
    LHRLondon Heathrow Airport 12:00
  • LHRLondon Heathrow Airport 06:50
    SOFSofia Airport 17:10
  • 16h 10m (5h 10m)
  • 1 Stop LHR · London 5h 10m
  • British Airways (BA 294)Boeing 777
    British Airways (BA 890)Airbus Industrie A320 Sharklets
  • British Airways (BA 294)
    • M
    • -
    • -
    • -
    • -
    • -
    • -
  • 11:10 LHR
    20:06 PHL
    15Hrs, 15m 1 Stop (SOF)
  • LHRLondon Heathrow Airport 11:10 - PHL 20:06 15h 15m 1 Stop (SOF) Sofia
  • LHRLondon Heathrow Airport 11:10
    ORDChicago O'Hare International Airport 17:05
  • SOFSofia Airport 16:20
    PHLPhiladelphia International Airport 20:06
  • 15h 15m (2h 59m)
  • 1 Stop SOF · Sofia 2h 59m
  • British Airways (BA 890)Airbus Industrie A320 Sharklets
    American Airlines (AA 1941)Boeing 737 800
  • British Airways (BA 890)
    • -
    • -
    • -
    • -
    • -
    • -
    • S
  • 17:20 ORD
    13:55 SOF
    12Hrs, 35m 1 Stop (CDG)
  • ORDChicago O'Hare International Airport 17:20 - SOF 13:55 12h 35m 1 Stop (CDG) Paris
  • ORDChicago O'Hare International Airport 17:20
    CDGParis Charles de Gaulle Airport 10:10
  • CDGParis Charles de Gaulle Airport 08:15
    SOFSofia Airport 13:55
  • 12h 35m (1h 55m)
  • 1 Stop CDG · Paris 1h 55m
  • Air France (AF 137)Airbus A359
    Bulgaria Air (FB 432)Airbus A220 300
  • Air France (AF 137)
    • -
    • -
    • -
    • -
    • F
    • S
    • -
  • 17:20 ORD
    13:55 SOF
    12Hrs, 35m 1 Stop (CDG)
  • ORDChicago O'Hare International Airport 17:20 - SOF 13:55 12h 35m 1 Stop (CDG) Paris
  • ORDChicago O'Hare International Airport 17:20
    CDGParis Charles de Gaulle Airport 10:10
  • CDGParis Charles de Gaulle Airport 08:15
    SOFSofia Airport 13:55
  • 12h 35m (1h 55m)
  • 1 Stop CDG · Paris 1h 55m
  • Air France (AF 137)Airbus A359
    Bulgaria Air (FB 432)Airbus A220 100 Passenger
  • Air France (AF 137)
    • -
    • -
    • -
    • T
    • -
    • -
    • S
  • 13:20 BEG
    08:15 CDG
    14Hrs, 10m 1 Stop (SOF)
  • BEGBelgrade Airport 13:20 - CDG 08:15 14h 10m 1 Stop (SOF) Sofia
  • BEGBelgrade Airport 13:20
    ORDChicago O'Hare International Airport 17:20
  • SOFSofia Airport 15:30
    CDGParis Charles de Gaulle Airport 08:15
  • 14h 10m (2h 45m)
  • 1 Stop SOF · Sofia 2h 45m
  • Air Serbia (JU 112)Atr Turboprop
    Air France (AF 137)Airbus A359
  • Air Serbia (JU 112)
    • M
    • T
    • -
    • -
    • F
    • -
    • -
  • 12:00 ZRH
    08:55 BRU
    13Hrs, 20m 1 Stop (SOF)
  • ZRHZurich Airport 12:00 - BRU 08:55 13h 20m 1 Stop (SOF) Sofia
  • ZRHZurich Airport 12:00
    ORDChicago O'Hare International Airport 17:55
  • SOFSofia Airport 15:15
    BRUBrussels Airport 08:55
  • 13h 20m (1h 45m)
  • 1 Stop SOF · Sofia 1h 45m
  • Swiss (LX 1390)Airbus A220 100 Passenger
    United Airlines (UA 972)Boeing Dreamliner Series 10
  • Swiss (LX 1390)
    • -
    • -
    • W
    • -
    • -
    • -
    • -
  • 15:00 VIE
    08:55 BRU
    15Hrs, 35m 1 Stop (SOF)
  • VIEVienna Airport 15:00 - BRU 08:55 15h 35m 1 Stop (SOF) Sofia
  • VIEVienna Airport 15:00
    ORDChicago O'Hare International Airport 17:55
  • SOFSofia Airport 17:30
    BRUBrussels Airport 08:55
  • 15h 35m (4h 20m)
  • 1 Stop SOF · Sofia 4h 20m
  • Austrian Airlines (OS 797)Embraer 195
    United Airlines (UA 972)Boeing Dreamliner Series 10
  • Austrian Airlines (OS 797)
    • -
    • -
    • -
    • -
    • F
    • -
    • -
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How far is Sofia from Chicago?

The flight distance between Chicago and Sofia is 8352km. Check all available flights on Wego.

When is the earliest and latest flight of the day?

The earliest flight of the day departs at 09:20. The last flight of the day departs at 18:25. See the full list of flight times on Wego.