Sofia (SOF) → Chicago (ORD)
About Sofia to Chicago Flights
Discover the best flights from Sofia to Chicago, covering 8,366 km in approximately 10h 57m. Sofia (SOF) to Chicago (ORD) is one of the major long-haul routes connecting Bulgaria and United States. With 7 major airlines operating this route, travelers have plenty of options to choose from. Whether you're traveling for business or leisure, our comprehensive guide helps you find the best deals, understand seasonal price variations, and choose the right airline for your journey from Sofia to Chicago.
12-Month Price History
Flight prices from Sofia to Chicago vary significantly throughout the year. February typically offers the best deals with average prices around $1514, while July sees the highest prices, averaging $2521. Savvy travelers can save up to 40% by choosing their travel dates wisely.
Best Time to Fly
Cheapest Month
February
Save up to 40% on average
Most Expensive
July
Peak season pricing
Book in Advance
169 days
For best prices
Booking Tips
For the best prices on Sofia to Chicago flights, we recommend booking 154 days in advance. International flights typically see price increases as the departure date approaches, so early booking is advisable. Tuesday and Wednesday departures often offer the lowest fares, while Friday and Sunday flights tend to be more expensive due to business and leisure travel demand. Consider flying early morning or late evening for additional savings, as these off-peak times usually have lower demand.
Airlines Serving This Route
| Airline | Economy | Business | First |
|---|---|---|---|
Delta Air Lines DL | $2370 | $10570 | $12870 |
SkyWest Airlines OO | $2490 | $8060 | $12340 |
Kalitta Air K4 | $2680 | $8630 | $14460 |
United Airlines UA | $2690 | $8560 | $13140 |
American Airlines AA | $2810 | $9340 | $15770 |
Bulgaria Air FB | $2900 | $9190 | $13250 |
British Airways BA | $3070 | $11100 | $15360 |
Delta Air Lines
DL
Economy
$2370
Business
$10570
First
$12870
SkyWest Airlines
OO
Economy
$2490
Business
$8060
First
$12340
Kalitta Air
K4
Economy
$2680
Business
$8630
First
$14460
United Airlines
UA
Economy
$2690
Business
$8560
First
$13140
American Airlines
AA
Economy
$2810
Business
$9340
First
$15770
Bulgaria Air
FB
Economy
$2900
Business
$9190
First
$13250
British Airways
BA
Economy
$3070
Business
$11100
First
$15360
Prices shown are estimates based on historical data. Actual prices may vary based on dates, availability, and current promotions.
Alternative Flight Options
Skopje → Chicago
Skopje International (SKP) to O'Hare International (ORD)
Distance: 8,316 km
Average price: $1752
Pristina → Chicago
Pristina International (PRN) to O'Hare International (ORD)
Distance: 8,234 km
Average price: $1736
Skopje → Chicago
Skopje (SKP) to O'Hare International (ORD)
Distance: 8,316 km
Average price: $1752
Sofia → Milwaukee
Sofia (SOF) to Milwaukee Mitchell International (MKE)
Distance: 8,289 km
Average price: $1746
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Frequently Asked Questions
How long is the flight from Sofia to Chicago?
The flight time from Sofia (SOF) to Chicago (ORD) is approximately 10 hours and 57 minutes. This duration is for direct flights and may vary depending on aircraft type, weather conditions, and air traffic.
What is the distance between Sofia and Chicago?
The aerial distance between Sofia and Chicago is 8,366 kilometers (5,198 miles). This is the straight-line distance, which is used to calculate flight times.
Which airlines fly from Sofia to Chicago?
Several airlines operate flights between Sofia and Chicago, including American Airlines, United Airlines, Bulgaria Air and 4 more airlines. Most flights on this route include one or more stops.
What is the cheapest month to fly from Sofia to Chicago?
Based on historical data, February typically offers the lowest airfares for flights from Sofia to Chicago. However, prices can vary based on holidays, events, and airline promotions. We recommend checking our price calendar for the most up-to-date information.
How far in advance should I book my flight to Chicago?
For the best prices on Sofia to Chicago flights, we recommend booking 86 days in advance. International flights generally require earlier booking than domestic routes.
Do I need a visa to travel from Sofia to Chicago?
Visa requirements depend on your nationality and the purpose of your visit. Citizens of Bulgaria traveling to United States should check the latest visa requirements. Visit our partner site visarequirements.io for detailed visa information.
What is the time difference between Sofia and Chicago?
Sofia operates on Europe/Sofia time zone, while Chicago is in the America/Chicago time zone. For current time differences and to plan your schedule, visit our partner site timezig.com for accurate timezone conversions.